The XM312 is a machine gun based on the 25mm XM307 automatic grenade launcher and is reserved for the .50 BMG cartridge. XM312 large-caliber machine gun … [Read more...] about XM312 large-caliber machine gun (US Gun Reviews)
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The XM312 is a machine gun based on the 25mm XM307 automatic grenade launcher and is reserved for the .50 BMG cartridge. XM312 large-caliber machine gun … [Read more...] about XM312 large-caliber machine gun (US Gun Reviews)