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  2. Optical cage system - Wikipedia

    en.wikipedia.org/wiki/Optical_cage_system

    It consisted of 40×40 mm square mounting plates with 25 or 30 mm holes at the center, and four 6 mm bores around the edges. If four 6 mm rods were secured on the corners, a second mounting plate could slide along the rods, and be secured at any point via set screws. By securing individual lenses within each mounting plate, a telescope could be ...

  3. Scope mount - Wikipedia

    en.wikipedia.org/wiki/Scope_mount

    Among scopes for rail mounts, the 22.5-degree V-shaped Zeiss rail is the most prevalent standard. It was introduced in 1990. After the patent expired in 2008, compatible scopes have been offered from manufacturers such as Blaser, [1] Leica, Minox, Meopta, Nikon, [2] Noblex (formerly Docter [3]), Schmidt & Bender [4] and Steiner. [5]

  4. Ruger Standard - Wikipedia

    en.wikipedia.org/wiki/Ruger_Standard

    The Ruger Standard Model is a rimfire semi-automatic pistol introduced in 1949 as the first product manufactured by Sturm, Ruger & Co., and was the founding member of a product line of .22 Long Rifle cartridge handguns, including its later iterations: the MK II, MK III, and MK IV.

  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. Picatinny rail - Wikipedia

    en.wikipedia.org/wiki/Picatinny_rail

    It is similar in concept to the earlier commercial Weaver rail mount used to mount telescopic sights, but is taller and has wider slots at regular intervals along the entire length. The MIL-STD-1913 locking slot width is 0.206 in (5.23 mm). The spacing of slot centres is 0.394 in (10.01 mm) and the slot depth is 0.118 in (3.00 mm). [8]

  7. Sniper - Wikipedia

    en.wikipedia.org/wiki/Police_sniper

    Vasily Zaytsev, left, and other Soviet snipers equipped with Mosin–Nagant M1891/30 during the Battle of Stalingrad in December 1942 A modern sniper weapon system which consists of a sniper rifle (here Barak HTR 2000 chambered in .338 Lapua Magnum), telescopic sight (Leupold Mark IV x10), and additional optics

  8. Ruger M77 - Wikipedia

    en.wikipedia.org/wiki/Ruger_M77

    The Ruger M77 is a bolt-action rifle produced by Sturm, Ruger & Co. It was designed by Jim Sullivan during his three years with Ruger. It was designed primarily as a hunting rifle featuring a traditional Mauser K98 -style two-lugged bolt with a claw extractor.

  9. 5-inch/54-caliber Mark 45 gun - Wikipedia

    en.wikipedia.org/wiki/5-inch/54-caliber_Mark_45_gun

    Development started in the 1960s as a replacement for the 5-inch (127 mm)/54-caliber Mark 42 gun system that had debuted in 1953 with a new, lighter, and easier-to-maintain gun mounting. The United States Navy uses the Mark 45 with either the Mk 86 Gun Fire Control System or the Mk 34 Gun Weapon System. Since before World War II, 5 inches (127 ...