Authentic 1911 replica design Tactical rail allows for accessory upgrades Full metal construction stainless steel finish Realistic blowback action Beavertail grip safety prevents misfires White dot sights improve targeting Comes with magazine 1500 BBs 25 CO2 Cartridges Caliber: 4.5 mm/.177 Calibre Action: Semi-Automatic FPS: 350 to 370