or other short barreled AEGs

precision machined aluminum

Modified dimensions allow for wider compatibility with non Colt-spec 'STANAG 4179' platforms

Thanks to the basic muzzle velocity of ~ 380 FPS guaranteed by the factory-installed main spring

and adds that clean look to your hi capa

BERETTA PMX GBB Mechbox Pro or other short barreled AEGsBeretta's hot new PMX SMG is now available as a fully licensed replica 6mm GBB airsoft gun. With reliable green gas power, the Beretta PMX sends . 20 gram BBs downrange at 345 FPS and has a 1,100 round per minute cyclic rate. Plenty of Picatinny rail is available on the top rail, sides, and bottom for the airsoft accessories and optics of your choosing. The drop free PMX magazine holds 48 airsoft BBs and has a locking follower making it easy to load