MPA 338 Lapua Magnum Rifles

MPA 338 Lapua Magnum Rifles and Masterpiece Arms 338 Lapua Magnum Bolt Action Rifle For Sale

MPA 338 Lapua Magnum Rifles come with Defiance Rebel Premium Action. All Critical Features of the Masterpiece Arms 300 Win Mag Rifles are machined after they have been heat treated (Hard Machining). its Recoil Lugs are Ground to .0001″ Flatness and Parallelism.

MPA 338 Lapua Magnum Rifles come standard with a Defiance Rebel One Piece Designed Bolt, Lugs and Handle have been CNC OD Ground on All critical features and dimensions. its bolt is black nitride Spiral Fluted and are hand lapped and fitted to each individual action. It also has Wire EDM Bolt Lug Raceways

MPA 338 Lapua Magnum Rifles are equipped with a 416RQ Stainless Steel Spencer/MPA Rifle Barrel that has been Precision Gun Drilled. Once being drilled it is reamed and honed “Pull Button Rifled”. Then it is stress relieved and hand lapped once this process is complete, it’s bore is inspected with a bore and land inspection video borescope. The final step is the barrel is pressure tested with a sheffield air gage Inspection to .0001″ on Bore and Rifle Land Variation, Chamber is indicated within .0001″ or less – to the bore of the rifle.

MPA 338 Lapua Magnum Tactical Chassis System is Produced from 6061 Aluminum. It’s V-Bedding System with Additional clearance for Glass Bedding Action and Straight Section of Barrel. MPA’s Buttstock comes with a Adjustable Cheek Riser, Length of Pull and Monopod. MPA Chassis has a Night Vision Bridge, Lower mounted Picatinny Rail and 20 MOA Scope Rail. Cerakote Finished with Multiple Colors Available, User Locate-able Barricade stop system compatible (requires purchase of rotating barricade stop) Built In Bubble Level and Thumb Notch.