The XM312 is a heavy machine gun derived from the XM307 25 mm autocannon and chambered for the .50 BMG cartridge. It was designed in response to a request by the U.S. military for a replacement for the aging M2 Browning heavy machine gun, and as a complement to the heavier XM307 Advanced Crew Served Weapon grenade launcher.

Jul 7, 2011 · The XM312, developed by General Dynamics Armament and Technical Products, is a lightweight, portable 12.7mm/.50 caliber machine gun that provides increased accuracy, effectiveness,...

May 12, 2021 · Page details technical specifications, development, and operational history of the General Dynamics XM312 Prototype Heavy Machine Gun (HMG) including pictures.

There is no doubt that the XM312 is a futuristic weapon and the next logical evolution of the heavy machine gun platform. The weapon's physical characteristics include a smooth contoured receiver with a molded casing.

XM307的承包商以XM307为基础，通过更换枪管和其他几个部件提供了一种新的12.7mm 口径机枪，称为XM312。 当部队同时采用XM307和XM312时，在后勤维护方面将比现在装备M2HB和MK19大为简化，而训练士兵熟悉对不同武器的操纵也更容易。 XM312 的重量很轻，因此这种武器有一个特别的名称，叫做“轻型重机枪”（Lightweight Heavy Machine Gun），听起来很怪异。 由于 XM312 只是XM307 的 12.7mm口径型， 零部件大部分通用，只有5个不同部件，因此开发成本 …

Nov 1, 2007 · The XM312 is a spinout of technologies developed in the 25mm XM307 ACSW program. The weapon is capable of firing all of the current .50 caliber ammunition in the inventory, including the standard M33 ball round, the M8 armor-piercing incendiary, the M903 saboted light armor penetrator, and the MK211 multipurpose round that penetrates, fragments ...

The XM312 is a heavy machine gun derived from the XM307 25 mm autocannon and chambered for the .50 BMG cartridge. It was designed in response to a request by the U.S. military for a replacement for the aging M2HB heavy machine gun, and as a complement to the heavier XM307 Advanced Crew Served Weapon .

The system included: a 25mm automatic cannon (XM307) capable of firing airburst and armor piercing ammunition; and, a .50 caliber variant (XM312).

The XM312 was a developmental lightweight heavy machine gun developed by General Dynamics in response to the U.S. military's request for a replacement of the M2 Browning, and as a complement and fallback to the XM307 ACSW grenade launcher.

Nov 20, 2003 · The XM312 is a lightweight, low-recoil gun that mounts on vehicles and tripods and fires standard .50-caliber cartridges, including tracers, armor-piercing incendiaries, and sabot light-armor...