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  2. SIG Sauer P320 - Wikipedia

    en.wikipedia.org/wiki/SIG_Sauer_P320

    The complete 9mm slide has lightening cuts in the top to reduce weight and assist in recoil. It is also optics ready through the removal of the rear sight plate assembly. The optics cut is the Delta Point/Romeo 1 Pro profile, but will accommodate multiple optics via adapter plates. [34]

  3. 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 ...

  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. 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 ...

  6. Advanced Combat Optical Gunsight - Wikipedia

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

    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] Between 2004 and 2005, the TA31RCO-A4 & M4 (AN/PVQ-31A & 31B) was selected as the official Rifle Combat Optic of the United States Marine Corps , prompting Trijicon to produce 100,000 ...

  7. Picatinny rail - Wikipedia

    en.wikipedia.org/wiki/Picatinny_rail

    It was originally used for mounting of telescopic sights atop the receivers of larger caliber rifles. Once established as United States Military Standard , its use expanded to also attaching other accessories, such as: iron sights , tactical lights , laser sights , night-vision devices , reflex sights , holographic sights , foregrips , bipods ...

  8. Specter (sight) - Wikipedia

    en.wikipedia.org/wiki/Specter_(sight)

    The optic is fitted to the rifle with A.R.M.S. locking levers to a normal Picatinny rail (MIL-STD 1913 rail) 70 mm (2.8 in) from the shooter eye. The optic is zeroed at 100 m (109 yd) range the azimuth/windage is adjusted in ½ MOA increments by flathead screwdriver on the front right of the optic and the elevation is adjusted in ½ MOA ...

  9. C79 optical sight - Wikipedia

    en.wikipedia.org/wiki/C79_optical_sight

    A C79 Optical Sight. The C79 optical sight (SpecterOS3.4x) is a telescopic sight manufactured by Elcan.A variant, the M145 Machine Gun Optic is in use by the US military. It is 3.4×28, meaning 3.4x magnification, and a 28mm diameter objective lens.