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XM312
XM312
Country of origin

United States of America

Manufacturer(s)

General Dynamics
Joint Services Small Arms Program

Year(s) designed

2000

Production began

2004

Production ended

2008

Weapon type

Heavy machine gun

Caliber

.50 BMG

Action

Gas-operated, modified rotating bolt

Overall length

61.42 in (1,560 mm)

Barrel length

36 in (914 mm)

Weight

52 lb (19 kg)

Height

9.84 in (250 mm)

Width

7 in (180 mm)
18 in (460 mm) w/ adjustable tripod

Magazine/Cylinder capacity

Belt feed: 100-round ammunition box

Cyclic rate

260 RPM

Maximum effective range

2000 m

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 to the XM307 ACSW grenade launcher.

Design DetailsEdit

The XM312 is a belt-fed weapon that is fed from either side. It features the same differential recoil system featured in the XM307.

With unit-level work and a few parts, it can be converted into an XM307 in under a few minutes. This works the other way around.

HistoryEdit

In September 2005, the U.S. military began test firing the XM312.

ReferencesEdit

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