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  2. Rail integration system - Wikipedia

    en.wikipedia.org/wiki/Rail_integration_system

    A rail system mounted on top of a SIG SG 550 A dovetail rail on a rifle receiver for mounting a sight. A rail integration system (RIS; also called a rail accessory system (RAS), rail interface system, rail system, mount, base, gun rail, or simply a rail [1]) is a generic term for any standardized attachment system for mounting firearm accessories via bar-like straight brackets (i.e. "rails ...

  3. Barrett REC7 - Wikipedia

    en.wikipedia.org/wiki/Barrett_REC7

    The Barrett Enhanced Bolt is made from high-strength 9310 steel. The bolt is designed specifically for use in the piston operated REC7, not just adapted from a direct gas bolt. The bolt's gas-ring-free design is easy to clean. Reinforced at critical areas, every bolt is proofed and magnetic-particle inspected to guarantee reliable performance.

  4. Brügger & Thomet APR - Wikipedia

    en.wikipedia.org/wiki/Brügger_&_Thomet_APR

    The bolt requires only a 60° bolt rotation. The trigger group, manual safety and pistol grip consist of one detachable module attached under the receiver. This group consists of a fully adjustable two-stage trigger featuring an adjustable trigger pull weight of 1.5 to 2.5 kg (3.3 to 5.5 lb) and a trigger path that can be externally adjusted ...

  5. M-LOK - Wikipedia

    en.wikipedia.org/wiki/M-LOK

    M-LOK allows for direct accessory attachment onto the "negative space" (hollow slot) mounting points, and is a competing standard to VLTOR's open sourced KeyMod system for replacing the ubiquitous Picatinny rail in some applications. [1]

  6. Three-point hitch - Wikipedia

    en.wikipedia.org/wiki/Three-point_hitch

    In engineering terms, three-point attachment is the simplest and the only statically determinate way of rigidly joining two bodies. A three-point hitch attaches the implement to the tractor so that the orientation of the implement is fixed with respect to the tractor and the arm position of the hitch.

  7. CZ 452 - Wikipedia

    en.wikipedia.org/wiki/CZ_452

    First introduced in 1956 as the BRNO Model 2 (ZKM 452), the Model 452 is a refinement of the CZ Model 1 (ZKM-451) .22 calibre rimfire bolt-action training rifle that first appeared in 1947. ZKM is an acronym for Zbrojovka-Koucký-Malorážka, the rifle's manufacturer ([Česká] Z brojovka), designer (Josef K oucký) and M alorážka - for small ...

  8. Sniper equipment - Wikipedia

    en.wikipedia.org/wiki/Sniper_equipment

    The M40A3, a bolt-action sniper rifle used by the United States Marine Corps.Introduced in 1966, the M40 was built up from a Remington 700 bolt-action rifle.. The major components of sniper equipment are the precision sniper rifle, various optical scopes and field glasses, specialized ammunition and camouflage materials for the sniper’s body and equipment.

  9. Barrett M95 - Wikipedia

    en.wikipedia.org/wiki/Barrett_M95

    The M95 is an improved version of the earlier Barrett M90.It is a bolt-action rifle in a bullpup design. The major difference between the M95 and the M90 is that the pistol grip and trigger have been moved forward 1 inch (25 mm) for better magazine clearance.