Accuracy International AXMC in .300 Winchester Magnum with 24-inch barrel, bridging the gap between .308 Win and .338 Lapua on the modular AXMC platform. Type: Rifle Action: Bolt-Action Caliber: 300 Win Mag Capacity: 10 Year introduced: 2015, UK Weight: 166 oz Overall length: 47" Status: Active Military use: Yes Intended use: Military, long-range precision sniper