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 .

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 …

Apr 15, 2006 · I faintly recall there was more heat in the 75mm vs 76mm discussion in magazines than the actual demand for these guns. Very high ROF compared to MBT 105's at the time, but punched too low. Too slow ROF compared to SPAAG developments.

Oct 18, 2017 · To introduce the vehicle to service earlier and to make it available to America’s allies (like the older light tanks were), AAI replaced the 75mm XM274 with the old and proven 76mm M32, used on the M41 Walker Bulldog.

Dec 7, 2020 · The closest to your question would be the AAI RDF Block 2 "Elke" light tank. This fielded the terrifying XM274 Hypervelocity 75mm Autocannon in an unmanned, exposed turret capable of being raised. The XM274 featured a unique rotating chamber which allowed the gun to be loaded vertically from the bottom and rotated in line with the breech.

Jan 31, 2008 · They realised the first CTA weapons in 5mm (this rifle), 12.7mm (TARG), 35mm (TALON) and 75mm (XM274). They also designed CTA solutions for everything from 5.56mm to 90mm. Click to expand...

Apr 28, 2024 · 76mm vs 40mm is not exclusive, they have different roles. The 76mm is for anti-ship work and a bit of NGFS while the 40mm is for small boats, selective disabling and warning shots.

Apr 10, 2010 · - 75 and 76 mm have been popular light field artillery calibres in both world wars. - A 75 mm medium calibre tank gun could occasionally be used for very interesting indirect fire missions. The HE shell would be set to its proximity fuse mode.

Sep 25, 2024 · The Ares Incorporated XM274 (originally designated as the medium caliber, antiarmor automatic cannon, MC-AAAC) was an American smoothbore 75mm autocannon designed...

Jan 8, 2014 · 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 - Produced By - ARES Inc