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  2. 47 mm Model 1931 anti-tank gun - Wikipedia

    en.wikipedia.org/wiki/47_mm_Model_1931_anti-tank_gun

    Maximum firing range 2 km (6,600 ft) [ 4 ] The Royal Cannon Foundry 47mm anti-tank gun Model 1931 ( French : Canon anti-char de 47mm Fonderie Royale de Canons Modèle 1931 , abbreviated to C.47 F.R.C. Mod.31 ) was an artillery piece developed in 1931 for the Belgian Army which saw widespread service in the Battle of Belgium in 1940.

  3. Stadiametric rangefinding - Wikipedia

    en.wikipedia.org/wiki/Stadiametric_rangefinding

    The term stadia comes from a Greek unit of length Stadion (equal to 600 Greek feet, pous) which was the typical length of a sports stadium of the time. Stadiametric rangefinding is used for surveying and in the telescopic sights of firearms , artillery pieces , or tank guns , as well as some binoculars and other optics.

  4. Type 1 47 mm anti-tank gun - Wikipedia

    en.wikipedia.org/wiki/Type_1_47_mm_anti-tank_gun

    The Type 1 47 mm AT gun was introduced to combat service in 1941, with the intent of it replacing the Type 94 37 mm (1.5 in) anti-tank gun. It was very effective for its role, with American personnel calling it "an excellent weapon, with mechanized carriage and a high muzzle-velocity" that "proved most effective in combat," though it was not ...

  5. 47 mm APX anti-tank gun - Wikipedia

    en.wikipedia.org/wiki/47_mm_APX_anti-tank_gun

    A similar model designated the canon de 47 mm semi-automatique mle 1939 was also produced. Both were efficient weapons, especially given the thin armour of contemporary German tanks. The gun could pierce 60 mm (2.4 in) at 550 meters (600 yd) or 80 mm (3.1 in) at 180 meters (200 yd). [1]

  6. M21 sniper weapon system - Wikipedia

    en.wikipedia.org/wiki/M21_Sniper_Weapon_System

    Effective firing range: 460 m (500 yd) 900 m (980 yd) (with 3–9× scope) [5] [6] Maximum firing range: 3,725 m (4,074 yd) Feed system: 5-, 10-, or 20-round detachable box magazine: Sights: Front: National Match front blade. Rear: Match-grade hooded aperture with one-half minute adjustments for both windage and elevation 26 + 3 ⁄ 4 in sight ...

  7. Barrett XM109 - Wikipedia

    en.wikipedia.org/wiki/Barrett_XM109

    The 25 × 59 mm round that is used in the XM109 is the same one originally developed for the cancelled XM307, product of the Objective (later Advanced) Crew Served Weapon program (OCSW / ACSW). As with the XM307, the XM109 can be reconfigured back to .50 BMG , in the XM109's case this is done by swapping the 25mm upper receiver for a standard ...

  8. Barrett M82 - Wikipedia

    en.wikipedia.org/wiki/Barrett_M82

    An additional forward grip was added below the receiver, and the scope mount was moved forward. [5] The M107's maximum effective range is 1,830 m (2,000 yd), while can hit targets past 2,000 m (2,200 yd). The maximum range of this weapon (specifically the M107 variant) is 4,000 m (4,400 yd), as quoted in the owner's manual.

  9. M47 Dragon - Wikipedia

    en.wikipedia.org/wiki/M47_Dragon

    The improved motor increases the range as well, propelling Dragon III to 1,500 meters. The second final improvement is a new combined day/night tracker with laser guidance. [ 21 ] Only the United States Marine Corps bought this variant, beginning in 1991, [ 22 ] while the Army opted to wait for Javelin to enter service.