Tokyo Marui PX4 GBB Pistol – Gas Blowback Airsoft Sidearm Compact and reliable gas blowback pistol featuring authentic Beretta PX4 styling. Measures 192 mm in length with a 91 mm height and weighs 833 g when fitted with an empty magazine. Fires 6 mm BBs (0.2–0.25 g) with a 25-round magazine capacity plus one round in the chamber. Powered by 144a gas cartridges only. Ideal for CQB engagements and secondary loadout options in airsoft skirmishes.