The TRG M10 in .300 Winchester Magnum represents the mid-range capability tier of the modular platform. Users with the full M10 chassis can swap to .300 Win Mag with a barrel and bolt change, giving a cost-effective way to extend the system's capability. Popular as a training and competition variant alongside the .338 Lapua mission barrel. Type: Rifle Action: Bolt-Action Caliber: .300 Winchester Magnum Capacity: 10 Year introduced: 2012, Finland Weight: 300 oz Overall length: 49" Status: Active Military use: Yes Intended use: Military Sniper, Long-Range Precision, Competition