A short video by Airsoft Lefty showing the Umarex Beretta PMX GBBR. The Beretta PMX is a lightweight, gas-operated airsoft submachine gun designed for close-quarter combat. Its compact size, adjustable Hop-up, and strong polymer construction make it easy to handle and maneuver. The PMX features authentic blowback and ambidextrous controls, interchangeable parts, and a threaded barrel for compatibility with various accessories.