Rail interface system - By Bob Tuzik • January, 2008 All railways must deal with operating/engineering and vehicle/track interaction issues. But rail transit systems, which operate under the microscope of the urban environment, face special, often unique, challenges. Speakers at Rail Transit ’07, Advanced Rail Management and Interface Journal’s third seminar devoted to wheel/rail …

 
The project assessed the needs of rolling stock, infrastructure, traffic management (including the European Rail Traffic Management System, ERTMS), train operations and proposed intelligent procedures to process all available additional information to its best advantage. ... It is a middleware providing a common interface between applications .... Portugal itinerary

Product Info for Daniel Defense MK18 Rail Interface System II, RIS II. The Daniel Defense MK18 Rail Interface System was designed specifically to allow individual operators to free float M203 grenade launchers without the need for additional parts or special tools. These AR Handguards & Forends by Daniel Defense are built with attention to ... Initially, these lines used the high-conicity P8a wheel profile and the UIC60 rail profile. Problems were experienced with the wheel/rail interface, including disappointing wheelset life, high vibration due to hunting instability and rapid growth of rolling contact fatigue (RCF) damage on the high rail in curves.Managing the Wheel-Rail Interface of Light Rail and Tramway Systems’1. 3.12. However it should be noted that the critical issue for optimum performance on small radius curves is to maintain the geometry of the rail head as closely as possible, and this is more effectively achieved by the use of hard steels with a lower wear rate combinedHandguards: The standard handguard for the CQBR is the Knight's Armament Company Rail Interface System (M4 Carbine RIS; National Stock Number 1005-01-416-1089), which is designed for a variety of barrel profiles and allows for the use of any MIL-STD-1913 tactical accessories such as the AN/PEQ-2, SureFire flashlights, or a vertical forward grip ...The Common Interface System, as its name suggests, provides a common connection point for a range of different direct and indirect fastening assemblies. A common base accommodates three different fastenings: FCA, DFC and Vanguard. When noise and vibration mitigation requirements change, rather than having to modify or replace the whole track ...Cable deck rail systems are becoming increasingly popular in the modern world of outdoor living spaces. They offer a sleek and minimalist look that allows for unobstructed views of... This hardware is included with the purchase of a complete rail system and will only be necessary if you damaged or misplaced your original parts. Included in RISII Hardware Pack: 1x Bolt Up System Barrel Nut. 1x RISII Bolt Up Plate- Black. 4x Long Socket Head Rail Screws. 2x Short Socket Head Rail Screws. 6x Flat head Rail Screws with Washers. The Daniel Defense Rail Interface System (RIS II) was designed at the request of the United States Special Operations Command (SOCOM) for the SOPMOD II program. SOCOM had a specific requirement for a free float M203 solution and Daniel Defense responded, designing a revolutionary product to meet the government’s need. ...DETAILS The Daniel Defense RIS III Rail Interface System takes the proven design of our two-piece RIS II rails—used by U.S. Special Operations Command (SOCOM) since 2006—and reduces weight while adding versatility by utilizing M-LOK attachment. You get the same proven free-float barrel design, durable aircraft-grade aluminum construction, …The Daniel Defense Rail Interface System (RIS II) was designed at the request of the United States Special Operations Command (SOCOM) for the SOPMOD II program. SOCOM had a specific requirement for a free float M203 solution and Daniel Defense responded, designing a revolutionary product to meet the government’s need. ...Switzerland is renowned for its stunning landscapes, picturesque towns, and efficient public transportation system. One of the best ways to experience the beauty of this country is...AR-15 Rail Patterns and Designs. Three main options exist for rail designs: Picatinny (also known as MIL-STD-1913 Rail), Keymod and M-LOK. All three designs use interface systems for mounting sights, optics and accessories. Picatinny rails are the oldest design of the three.Rail interface systems (“RIS”), also commonly referred to as rail accessory systems, is a generic term for a system for attaching weapon accessories to small firearms such as pistols, rifles and light machine guns. Common weapon accessories include tactical lights, laser aiming modules, forward hand grips, weapon sights and ...The Daniel Defense Rail Interface System (RIS II) was designed at the request of the United States Special Operations Command (SOCOM) for the SOPMOD II program. The RIS II MK18 is NOT compatible with an M203. Details: The Daniel Defense RIS II is to be used in conjunction with the MK12 Low Profile Gas Block. The Daniel Defense RIS II free ...The $3.2 billion rail line is the Kenya's largest infrastructure project since independence. Eventually it will extend to Uganda, Rwanda, South Sudan and Ethiopia. More than a 100 ... The Daniel Defense Rail Interface System (RIS II) was designed at the request of the United States Special Operations Command (SOCOM) for the SOPMOD II program. SOCOM had a specific requirement for a free float M203 solution and Daniel Defense responded, designing a revolutionary product to meet the government’s need. The Daniel Defense RIS II allows the individual operator to free float the ... Canada is a vast and diverse country, known for its stunning landscapes, friendly people, and rich cultural heritage. One of the best ways to explore this beautiful nation is throu...DANIEL DEFENSE AR-15 RAIL INTERFACE SYSTEM II. DANIEL DEFENSE AR-15 RAIL INTERFACE SYSTEM II Be the first to rate this product 815604014052 100034444. Description; A machined aluminum multi-rail handguard specifically designed for the Special Operations Command (SOCOM) M4A1 carbine, the RIS II enables installation of an M203 40mm grenade ...Forget about rental cars and explore New Zealand by train. It's a perfect way for families to see as much of the country as possible. Update: Some offers mentioned below are no lon...The Daniel Defense Rail Interface System (RIS II) was designed at the request of the United States Special Operations Command (SOCOM) for the SOPMOD II program. SOCOM had a specific requirement for a free float M203 solution and Daniel Defense responded, designing a revolutionary product to meet the government’s need. ...Bryn Mawr's Jeff Mills said: "Be underweight the mega cap growth trade. That's overvalued, and you will see valuations come down." Jump to The time may soon be right to buy industr... The Daniel Defense Rail Interface System (RIS II) was designed at the request of the United States Special Operations Command (SOCOM) for the SOPMOD II program. SOCOM had a specific requirement for a free float M203 solution and Daniel Defense responded, designing a revolutionary product to meet the government’s need. The Daniel Defense RIS II allows the individual operator to free float the ... Shop Daniel Defense MK18 Rail Interface System II, RIS II | Up to $7.99 Off 5 Star Rating on 3 Reviews for Daniel Defense MK18 Rail Interface System II, RIS II Coupon Available + Free Shipping over $49. Toll-Free: +1-800-504-5897 Help Center Check Order Status. About Us Policies Reviews How To.Rail corrugation is a common issue with transit systems due to the high number of light-axle, wheel passages which result in grinding of the wheel/rail interface. Since maintenance may overlap with operations, maintenance windows (nighttime hours, off-peak hours, altering train schedules or routes) must be closely followed. In addition ...The concept of a dedicated Systems Integration Authority (SIA), as presented in this paper, builds on early implementation ideas that have been deployed on two major rail projects in the United Kingdom. Thameslink established an SIA in 2009 and Crossrail instated a Railway Integration Authority (RIA) in 2010.Rail interface system or rail integration system (RIS for short, sometimes also referred to as rail accessory system, RAS) is a generic term for a standardized rail system for attaching accessories to small firearms such as pistols, rifles and light machine guns.Such accessories commonly include tactical lights, laser aiming modules, forward hand grips for improving …The Daniel Defense Rail Interface System (RIS II) was designed at the request of the United States Special Operations Command (SOCOM) for the SOPMOD II program. SOCOM had a specific requirement for a free float M203 solution and Daniel Defense responded, designing a revolutionary product to meet the government’s need. The Daniel Defense RIS II allows the …Bryn Mawr's Jeff Mills said: "Be underweight the mega cap growth trade. That's overvalued, and you will see valuations come down." Jump to The time may soon be right to buy industr... Rail Interface System (RIS) (KAC P/N: 94297) The RIS is the older version of the two systems and is numbered T-L-R-B (top- left-right-bottom) in odd numbers 1 - 13 beginning at the front sight and ending at the upper receiver. The RIS system works with a wide variety of barrel contours and mounts like a conventional handguard except for an ... E&C M4 R.I.S. Rail Interface System (EC308)บอดี้โลหะ ยิงลายเลเซอร์ร่องลึก ม้าโค้ว Colt คม ชัด สวย ชุด ... Material : 6061-T6 Aluminum. Finish : Black. Rails : Picatinny. Free Shipping! Daniel Defense M4A1 FSP RIS II AR-Platform, Rail System, Aluminum Black. Daniel Defense 00408030006. The Daniel Defense Rail Interface System (RIS II) was designed at the request of the United States Special Operations Command (SOCOM) for the SOPMOD II program. Understanding the wheel/rail interface – part two. Figure 1. BS 2, Rev 1 (1921) railhead sections 8 and 8C. The latter, shown dotted, for radii less than 45.7m (150ft). Sections 6 and 6C and 7 and 7C differed only in the profiles of the groove bottoms. Subsequent BS revisions, the last in 1944, did not alter sections 6-8 and in 1981 the ...3.1 Initiation and Growth of RCF Cracks. The initiation and growth of RCF cracks depends on the contact stress and tangential force in the contact patch. These are shown on a shakedown diagram, by plotting the contact stress against traction coefficient (defined as the ratio of the tangential to normal forces). A Rail Interface System (or RIS) is a system on most modern-day guns, which allow scopes, grenade launchers, foregrips, flashlights, and laser sights to be "snapped in", or screwed into the gun's RIS. A notable gun with RIS features is the Colt M4, a gun with an RIS can be customized to suit certain situations, and to a high-degree. Most guns use the M1913 Picatinny rail standard RIS ... Better understanding of wheel/rail interfaces is therefore critical to improving the capacity, reliability and safety of the railway system.Wheel-rail interface handbook is a one-stop reference for railway engineering practitioners and academic researchers. Part one provides the fundamentals of contact mechanics, wear, fatigue and lubrication ...The Daniel Defense Rail Interface System (RIS II) was designed at the request of the United States Special Operations Command (SOCOM) for the SOPMOD II program. SOCOM had a specific requirement for a free float M203 solution and Daniel Defense responded, designing a revolutionary product to meet the government’s need. The Daniel …The Daniel Defense RIS III Rail Interface System takes the proven design of our two-piece RIS II rails—used by U.S. Special Operations Command (SOCOM) since 2006—and reduces weight while adding versatility by utilizing M-LOK attachment. You get the same proven free-float barrel design, durable aircraft-grade aluminum construction, and an … The Daniel Defense Rail Interface System (RIS II) was designed at the request of the United States Special Operations Command (SOCOM) for the SOPMOD II program. SOCOM had a specific requirement for a free float M203 solution and Daniel Defense responded, designing a revolutionary product to meet the government’s need. The Daniel Defense RIS II allows the individual operator to free float the ... Wheel-rail interface is a typical open tribological system. This means that the conditions are not stable and well-defined as in the case of the closed system, such as, e.g., a gearbox. The wheel-rail contact is subject to many kinds of environmental influences, especially weather conditions like temperature, humidity and precipitation. A variety of rail interface systems have been developed for military and civilian application, including Picatinny (MIL-STD-1913), KeyMod and M-Lok®. These rail interface systems are well known in the firearms industry and most weapon accessories are compatible with one or more rail interface system. "Brownells Gun Tech™ Caleb Savant is at the bench to show us how to install Daniel Defense's RIS III Handguard, one of their Rail Interface System M-LOK® han... The evolution of operating systems and major force-bearing parts in KAC firearms provides the user with unparalleled system life and extended reliability and operational robustness. As one of the original creators of accessory mounting and modular interface systems, KAC continues to improve the ability of the user to configure their system to ... Rail corrugation is a common issue with transit systems due to the high number of light-axle, wheel passages which result in grinding of the wheel/rail interface. Since maintenance may overlap with operations, maintenance windows (nighttime hours, off-peak hours, altering train schedules or routes) must be closely followed. In addition ...Daniel Defense MK18 RIS II Rail Interface System 9.55" AR-15 Free Float Hand Guard 6061-T6 Aluminum Hard Coat Anodized Finish Matte Black [FC-815604014052] Daniel Defense, Inc. $527.85DANIEL DEFENSE AR-15 RAIL INTERFACE SYSTEM II. DANIEL DEFENSE AR-15 RAIL INTERFACE SYSTEM II (1) 852548002561 100005808. ENG: Kuvaus; Automaattinen käännös; Arviot (1) A machined aluminum multi-rail handguard specifically designed for the Special Operations Command (SOCOM) M4A1 carbine, the RIS II enables installation of …Vehicle/track system interface and adhesion annual seminar. Held in Manchester and online, the annual reports of the Vehicle/Track System Interface Committee (V/T SIC) and the Adhesion Research Group showcased a variety of research and development papers. As has been said before, even though railways are coming up …Initially, these lines used the high-conicity P8a wheel profile and the UIC60 rail profile. Problems were experienced with the wheel/rail interface, including disappointing wheelset life, high vibration due to hunting instability and rapid growth of rolling contact fatigue (RCF) damage on the high rail in curves.US train operator Amtrak will begin testing its fastest trains at 165 miles per hour, the company announced (PDF),with a view toward increasing the current top speed of 150 miles p...Supersedes. A list of all the documents (document number and document title) this standard supersedes. This is a first issue or no superseding information is available. The Daniel Defense Rail Interface System (RIS II) was designed at the request of the United States Special Operations Command (SOCOM) for the SOPMOD II program. SOCOM had a specific requirement for a free float M203 solution and Daniel Defense responded, designing a revolutionary product to meet the government’s need. The Daniel Defense Rail Interface System (RIS II) was designed at the request of the United States Special Operations Command (SOCOM) for the SOPMOD II program. SOCOM had a specific requirement for a free float M203 solution and Daniel Defense responded, designing a revolutionary product to meet the government's need. The Daniel Defense RIS III Rail Interface System takes the proven design of our two-piece RIS II rails—used by U.S. Special Operations Command (SOCOM) since 2006—and reduces weight while adding versatility by utilizing M-LOK attachment. You get the same proven free-float barrel design, durable aircraft-grade aluminum construction, and an uninterrupted upper rail platform with Mil-Spec 1913 ... The Daniel Defense Rail Interface System (RIS II) was designed at the request of the United States Special Operations Command (SOCOM) for the SOPMOD II program. The RIS II MK18 is NOT compatible with an M203. Details: The Daniel Defense RIS II is to be used in conjunction with the MK12 Low Profile Gas Block. The Daniel Defense RIS II free ...This paper provides an overview of Human Machine Interface (HMI) design and command systems in commercial or experimental operation across transport modes. It presents and comments on different HMIs from the perspective of vehicle automation equipment and simulators of different application domains. Considering the fields of …Therefore, a deep knowledge of wheel and rail damage mechanisms is the key to improve the wheel–rail interface tribological behaviour, by minimizing wear and RCF negative effects, as well as to optimize maintenance scheduling. ... Piotrowski J, Chollet H (2005) Wheel–rail contact models for vehicle system dynamics including multi ...The fundamental principle of the wheel-rail interface specification is that a detailed specification should be produced at an early stage that includes compatibility of …Jul 7, 2022 ... Headborne Systems visited the Gentex/Ops-Core booth at Eurosatory 2022 in Paris. Ops-Core displayed the advanced concept of the Railink, ... The Daniel Defense Rail Interface System (RIS II) was designed at the request of the United States Special Operations Command (SOCOM) for the SOPMOD II program. SOCOM had a specific requirement for a free float M203 solution and Daniel Defense responded, designing a revolutionary product to meet the government’s need. The Daniel Defense RIS II allows the individual operator to free float the ... The Daniel Defense Rail Interface System (RIS II) was designed at the request of the United States Special Operations Command (SOCOM) for the SOPMOD II program. SOCOM had a specific requirement for a free float M203 solution and Daniel Defense responded, designing a revolutionary product to meet the government’s need. ...We would like to show you a description here but the site won’t allow us.The purpose of the CQBR is to provide operators with a weapon of submachine gun size, but firing an intermediate cartridge, for scenarios such as VIP protection, …When it comes to installing railings in your home or business, finding reliable railing installers near you is essential. Whether you’re looking for a simple handrail or a complex ...Initially, these lines used the high-conicity P8a wheel profile and the UIC60 rail profile. Problems were experienced with the wheel/rail interface, including disappointing wheelset life, high vibration due to hunting instability and rapid growth of rolling contact fatigue (RCF) damage on the high rail in curves.The concept of a dedicated Systems Integration Authority (SIA), as presented in this paper, builds on early implementation ideas that have been deployed on two major rail projects in the United Kingdom. Thameslink established an SIA in 2009 and Crossrail instated a Railway Integration Authority (RIA) in 2010.Oct. 9, 2017. To develop an effective and aesthetically pleasing human machine interface system for rail applications you must focus on optimizing usability, efficiency and safety. John Pannone ... Features of Daniel Defense Rail Interface System Ris III. Free-Floating Barrel Design for Increased Accuracy. M-LOK Attachment at 7 Different Positions Along Length of Handguard. Aircraft Grade 6061-T6 Aluminum Construction. Proven 6-Bolt Bolt-Up System Securely Attaches Handguard to the Upper Receiver. Grade 8 Military Specification Fasteners. Dec 18, 2020 ... ... Rail #Sleepers #Track ... Chapter 2 | Section 7 | The Wheel-Rail Interface ... Chapter 5 | Section1 | Introduction to Railway Infrastructure Systems.As one of the original creators of accessory mounting and modular interface systems, KAC continues to improve the ability of the user to configure their …3.1 Periodic rail safety interface agreement audits are conducted in accordance with regulatory requirements and organisational policies 3.2 Identified non-compliance and/or variations to the rail safety interface agreement are identified and communicated to …Jun 23, 2018 ... As of June 2018, Daniel defense is selling the Ris 2 rail in full length & mk18. $445.00 free shipping. Limited availability.The wheel/rail coupling subroutine ‘creep_contact_2’ was developed in Gensys by the Centre for Railway Engineering. This subroutine uses a non-Hertzian contact patch and includes the following: Geometrical module that allows detecting up to nine possible simultaneous contact points at each wheel/rail interface patch; Creepage module;Wheel–rail interface management is imperative to railway operation and its maintenance represents a major share of the total maintenance cost. In general, the course of events usually called wear is a complicated process involving several modes of material deterioration and contact surface alteration.As a part of this development, the wheel-rail interface process needs to be modelled at the initial stage. A real-time multipoint wheel-rail contact model is developed in the Matlab software ...Optimising the wheel/rail interface on a modern urban rail system. Authors: J. R. Evans. T. K.Y. Lee. C. C. Hon. Abstract. The Kowloon-Canton …This guide contains recommendations for best practice in wheel-rail interface management to reduce derailment risk over the whole life of the system. This work should be read in conjunction with RTU report 90/3/A, “Determination of Tramway Wheel and Rail Profiles to Minimise Derailment” [1]. The guidance is split into sections reflecting ...Dec 18, 2020 ... ... Rail #Sleepers #Track ... Chapter 2 | Section 7 | The Wheel-Rail Interface ... Chapter 5 | Section1 | Introduction to Railway Infrastructure Systems.Atlantis Rail Product Videos from Atlantis Rail Systems featuring our products and tutorials for installing our cable railing systems.The defining characteristic of operating systems is the connection it provides between the hardware, the software and, in some cases, the user interface. Computers require an opera...When it comes to exploring Spain, there’s no better way to soak in the country’s rich culture and breathtaking landscapes than by rail. And when it comes to train travel in Spain, ...C.S.'s Review of Daniel Defense M4A1 Rail Interface System RIS II. The Daniel Defense RIS II is an absolutely solid rail for your AR. Once it’s on, it’s on and not moving around. Yes it’s heavier than your current m-lok rail but still nothing beats a solid quad rail in terms of rigidity. 1 of 1 found the following review helpful.The Daniel Defense Rail Interface System (RIS II) was designed at the request of the United States Special Operations Command (SOCOM) for the SOPMOD II program. SOCOM had a specific requirement for a free float M203 solution and Daniel Defense responded, designing a revolutionary product to meet the government’s need. The Daniel Defense RIS II allows the … Rail Interface System (RIS) (KAC P/N: 94297) The RIS is the older version of the two systems and is numbered T-L-R-B (top- left-right-bottom) in odd numbers 1 - 13 beginning at the front sight and ending at the upper receiver. The RIS system works with a wide variety of barrel contours and mounts like a conventional handguard except for an ... rail interface system ii (risii) hardware pack-fde $ 45.00 $ 42.00. rail interface system ii (risii) hardware pack-fde quantity ...Rail corrugation is a common issue with transit systems due to the high number of light-axle, wheel passages which result in grinding of the wheel/rail interface. Since maintenance may overlap with operations, maintenance windows (nighttime hours, off-peak hours, altering train schedules or routes) must be closely followed. In addition ...A stair railing height code is the list of building code specifications for the required height of a railing on a stairway for safety purposes. Railing height codes differ based on...3.1 Initiation and Growth of RCF Cracks. The initiation and growth of RCF cracks depends on the contact stress and tangential force in the contact patch. These are shown on a shakedown diagram, by plotting the contact stress against traction coefficient (defined as the ratio of the tangential to normal forces).

The Daniel Defense Rail Interface System (RIS II) was designed at the request of the United States Special Operations Command (SOCOM) for the SOPMOD II program. SOCOM had a specific requirement for a free float M203 solution and Daniel Defense responded, designing a revolutionary product to meet the government’s need. The Daniel Defense RIS II allows the …. Private gyms

rail interface system

This hardware is included with the purchase of a complete rail system and will only be necessary if you damaged or misplaced your original parts. Included in RISII Hardware Pack: 1x Bolt Up System Barrel Nut. 1x RISII Bolt Up Plate- Black. 4x Long Socket Head Rail Screws. 2x Short Socket Head Rail Screws. 6x Flat head Rail Screws with Washers.Dec 18, 2020 ... ... Rail #Sleepers #Track ... Chapter 2 | Section 7 | The Wheel-Rail Interface ... Chapter 5 | Section1 | Introduction to Railway Infrastructure Systems.The Daniel Defense Rail Interface System (RIS II) was designed at the request of the United States Special Operations Command (SOCOM) for the SOPMOD II program. SOCOM had a specific requirement for a free float M203 solution and Daniel Defense responded, designing a revolutionary product to meet the government’s need. ... 6 models Daniel Defense Rail Interface System Ris III (1) $501.00 Coupon Available. 4 models Daniel Defense DD M4 Rail (5) As Low As $427.00 Coupon Available. 2 models Daniel Defense MK18 Rail Interface System II, RIS II (3) $508.99 (Save Up to $7.99) $501.00 Coupon Available. 4 models Daniel Defense MFR XS Rail Systems (10) As Low As (Save Up ... DD – M4A1 RAIL INTERFACE SYSTEM II, RIS II (FDE) The Daniel Defense Rail Interface System (RIS II) was designed at the request of the United States Special Operations Command (SOCOM) for the SOPMOD II program. SOCOM had a specific requirement for a free float M203 solution, and Daniel Defense responded, designing a revolutionary product to ... Oct. 9, 2017. To develop an effective and aesthetically pleasing human machine interface system for rail applications you must focus on optimizing usability, efficiency and safety. John Pannone ...Advertisement. Daniel Defense unveiled their new RISIII rail alongside new ambi lowers at SHOT Show 2022. FDE versions of the new RISIII rails were seen on four Daniel Defense rifles that will ship with the … The Daniel Defense Rail Interface System (RIS II) was designed at the request of the United States Special Operations Command (SOCOM) for the SOPMOD II program. SOCOM had a specific requirement for a free float M203 solution and Daniel Defense responded, designing a revolutionary product to meet the government’s need. The Daniel Defense RIS II allows the individual operator to free float the ... The Common Interface System, as its name suggests, provides a common connection point for a range of different direct and indirect fastening assemblies. A common base accommodates three different fastenings: FCA, DFC and Vanguard. When noise and vibration mitigation requirements change, rather than having to modify or replace the whole track ... Description. The Daniel Defense Rail Interface System (RIS II) was designed at the request of the United States Special Operations Command (SOCOM) for the SOPMOD II program. SOCOM had a specific requirement for a free float M203 solution, and Daniel Defense responded, designing a revolutionary product to meet the government’s need. The Daniel Defense RIS III Rail Interface System takes the proven design of our two-piece RIS II rails—used by U.S. Special Operations Command (SOCOM) since 2006—and reduces weight while adding versatility by utilizing M-LOK attachment. You get the same proven free-float barrel design, durable aircraft-grade aluminum construction, and an uninterrupted upper rail platform with Mil-Spec 1913 ... 3.1 Periodic rail safety interface agreement audits are conducted in accordance with regulatory requirements and organisational policies 3.2 Identified non-compliance and/or variations to the rail safety interface agreement are identified and communicated to …Daniel Defense Rail Interface System III, RIS III, 10.5" Black. $486.00. Daniel Defense. Only 2 left in stock. Quick View Add to Cart. Only 2 left in stock. Daniel Defense Rail Interface System III, RIS III, 12.5", FDE. $486.00. Daniel Defense. Only 2 left in stock. Quick View Add to Cart.Plus, these ingenious handles are designed with our anti-gas feature to keep gas away from your face and provide a better shooting experience. Explore the all-new RIII™ system from Daniel Defense, which includes rifles, uppers, and rails. The lightweight, free-float, aircraft-grade aluminum RIS III rails make the RIII system the toughest and ...The Daniel Defense Rail Interface System (RIS II) was designed at the request of the United States Special Operations Command (SOCOM) for the SOPMOD II program. SOCOM had a specific requirement for a free float M203 solution and Daniel Defense responded, designing a revolutionary product to meet the government’s need. ...6 models Daniel Defense Rail Interface System Ris III (1) $501.00 Coupon Available. 8 models STNGR HWK AR15/M4 M-Lok Free Float Handguard (30) As Low As (Save 13%) $144.99 Coupon Available. 6 models Midwest Industries SP Series AR-15 M-LOK Handguard (59) As Low As (Save Up to $11.00) $157.95 Coupon Available.Rail Interface System (RIS, sometimes also referred to as Rail Accessory System, RAS) is a generic term for a system for attaching accessories to small firearms …By Bob Tuzik • January, 2008 All railways must deal with operating/engineering and vehicle/track interaction issues. But rail transit systems, which operate under the microscope of the urban environment, face special, often unique, challenges. Speakers at Rail Transit ’07, Advanced Rail Management and Interface Journal’s third seminar devoted to wheel/rail ….

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