Savage Arms B22 Magnum 22 WMR (22 Mag) Precision Black Bolt Action Rifle - Savage builds the B Series Precision rifles to take full advantage of rimfire rounds. The B Series delivers exceptional performance. And now the B Series Precision has opened up new possibilities for rimfire . With their Modular Driven Technologies (MDT) chassis and heavy threaded barrels, the B Series Precision rifles are in a class all their own. Custom 1 Piece MDT Chassis Machined From Billet Aluminum Adjustable Length Of Pull And Comb Height Heavy Threaded Barrel With Flush Cap 1 Piece Picatinny Rail Light, Crisp, User Adjustable Accutrigger Pull From 1.5-5lbs 10-Round Detachable Magazine