Beretta's Px4 Storm features an exclusive Beretta designed locked breech with a rotating barrel system that reduces felt recoil and muzzle rise. The chrome lined barrel provides extreme corrosion resistance and ease of cleaning and it also features a deeply recessed combat muzzle crown to protect the rifling. It also features an integral Picatinny MILSTD rail a reversible magazine release and includes 3 backstraps. This model has an ambidextrous safety decocker and is CA Compliant.