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 MIL-STD rail, a reversible magazine release, and includes 3 backstraps. This model has an ambidextrous safety/decocker and is CA Compliant.