The Ares Incorporated XM274 (originally designated as the medium caliber, antiarmor automatic cannon, MC-AAAC) was an American smoothbore 75mm autocannon designed by Eugene Stoner. [1] It used a rotating breech block with cased telescopic ammunition .

The main armament consisted of an Ares Incorporated XM274 75 mm CTA autocannon with 2-axis stabilization [5] capable of firing Armour-piercing fin-stabilized discarding sabot and high-explosive. Secondary armament consisted of a coaxial 7.62 mm M240 machine gun and a commander's M240. [ 1 ]

Aug 13, 2021 · The HSTV-L’s most particular component was the automatic 75 mm XM274 cannon designed by Eugene Stoner of Ares Incorporated. The L/72 cannon was originally designed with a sliding breech, though this was deemed too unreliable despite its …

36178, approved 26 April 1956, classified the XM274 as a standard type, revised military characteristics and terminated poject 'IT3-793. His tory : a. There has long been a requirement for improving the infantry- man 'g effectiveness by reducing his burden and increasing his mobility.

Apr 15, 2006 · Documents related to XM274 75mm automatic cannon. They actually built a light tank with that gun on it--at least as a prototype. View attachment 663086.

If you're a fan of weapons or military history in general, you probably know who Eugene Stoner is. But you likely didn't know that he personally designed the 75mm XM274 automatic cannon built by...

Jan 8, 2014 · 22 XM274 75mm Automatic Cannon XM274 75mm Automatic Cannon. Caliber - 75mm Action - Semi Automatic, Hydraulic/Pneumatic Muzzle Velocity - Range-meters Rate of Fire - 60 rounds per minute Weight of Round - lbs Length of Round - Barrel Length - 218.5 inches Weight - 3,000 lbs Gun Carriage-

Feb 27, 2019 · HSTV-L was a a test bed that closely resembled, from the crew's point of view, a lightweight armored combat vehicle of the type that might be fielded by the Army or Marine Corps. HSTV-L testing...

AGS vehicle. The turret system contains the XM274 75mm automatic cannon, a M240 7.62mm machine gun with turret-stored ammunition, two M243 grenade launchers, an autoloader, and, in the version we selected, a 22 round modular magazine of 75mm cann.

Completed in 1979, the HSTV-L was designed to operationally test the merits of using speed, low silhouette, and high obliquity armor to protect a vehicle. It was armed with the L/72 XM274 75mm automatic cannon, designed by Eugene Stoner of Ares Incorporated.