DealWindhams MPC rifle features a 4150 Chrome Moly Vanadium 11595E Steel barrel with Chrome Lining in the Bore and Chamber for long wear and ease of cleaning. Barrels are chambered for 5.56 NATO ammo, and are safe for both .223 and 5.56 NATO. Air Gauging is a standard step to help ensure accuracy. from Sportsmans Outdoor Superstore (Product R16M4A4T) |