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  2. Scope mount - Wikipedia

    en.wikipedia.org/wiki/Scope_mount

    Popular on rifles and shotguns, but not on handguns due to its size. The mounting standard uses four screws and one cross slot acting as a recoil lug. Used on red dot sights such as Aimpoint Micro, Vortex Crossfire, Sig Sauer Romeo 4 & 5, and some Holosun Paralow variants. [23] Aimpoint CompM4 mount: Launched in 2007 [27] with the Aimpoint ...

  3. XM250 - Wikipedia

    en.wikipedia.org/wiki/XM250

    The XM250 light machine gun and XM7 rifle were designed to fire the 6.8×51mm SIG Fury cartridge in response to concerns that improvements in body armor would diminish the effectiveness of common battlefield rounds such as the 5.56×45mm NATO (used in the M4 carbine and M249 light machine gun) and 7.62×51mm NATO. [8] [9] [10]

  4. Red dot sight - Wikipedia

    en.wikipedia.org/wiki/Red_dot_sight

    Red dots for rifles typically have a smaller dot, often 0.6 to 0.8 mrad (2 to 3 MOA). When red dot sights started to appear at the practical shooting competition circuit in the 1990s, reticle sizes of up to 3, 4.5 or even 6 mrad (10, 15 or 20 MOA) were common in order to compensate for the lack of bright illumination.

  5. C79 optical sight - Wikipedia

    en.wikipedia.org/wiki/C79_optical_sight

    M145 Machine Gun Optic fitted to a M240B machine gun. The M145 Machine Gun Optic is a variant of the C79 that was developed for the U.S. Army and is commonly mounted on M240 and M249 machine guns. The M145 is unusual when compared with other optical sights in use with the United States military in that ballistic compensation is in the mount ...

  6. 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 ...

  7. SIG Sauer - Wikipedia

    en.wikipedia.org/wiki/SIG_Sauer

    On 19 April 2022, the US Army, following a 27-month evaluation process, announced it had awarded SIG Sauer a contract for two Next Generation Squad Weapon (NGSW) variations, the XM7 and XM250 automatic rifle, as well as for the 6.8 common cartridge ammunition used by both rifles. The initial value of the award was $20.4 million for the delivery ...

  8. Advanced Combat Optical Gunsight - Wikipedia

    en.wikipedia.org/wiki/Advanced_Combat_Optical...

    The first ACOG model, known as the TA01, was released in 1987. [3] [4] An example was tested on the Stoner 93 in the early 1990s by the Royal Thai Armed Forces. [5]In 1995, United States Special Operations Command selected the 4×32 TA01 as the official scope for the M4 carbine and purchased 12,000 units from Trijicon. [6]

  9. SIG Sauer AG - Wikipedia

    en.wikipedia.org/wiki/SIG_Sauer_AG

    SIG Sauer AG is a Swiss manufacturer of armaments. The company was previously registered as SAN Swiss Arms AG and changed its name to SIG Sauer AG in December 2019. [ 1 ] It was known as SIG Arms AG before 2000 when it was acquired by the German investors Michael Lüke and Thomas Ortmeier from parent company Schweizerische Industrie Gesellschaft .