Half blowback system Authentically licensed Glock replica made with realistic look and feel Tough and durable full metal framed gas blowback magazine Official Glock trademarks located on the slide and frame Reinforced aluminum alloy slide and high-density polymer frame Adjustable hop-up system to increase/decrease BB spin Serrated Glock designed slide assists in racking the pistol Ergonomically textured pistol grip ensures optimal handling Easy and convenient push-button magazine release Ambidextrous slide stop lever Traditional Glock trigger safety