The single/double-action PX4 Semiautomatic Pistol embodies the engineering perfection thats made Beretta legendary. The innovative locked-bolt breech and rotating, stainless steel barrel make it reliably strong and consistently accurate. Its thermoplastic frame cuts weight for impeccable balance and features three backstrap inserts for a custom-fitted grip. Theres also a Picatinny accessory rail in front of the trigger guard. Reversible magazine release.