HFC HG-171 Tactical 1911 CO2 Blowback Pistol - CO2 Combo - (Black/Silver)Bundled Products HFC HG 171 Tactical 1911 CO2 Blowback Pistol BLACK SILVER Full slide with front and rear serrations Realistic blowback action Picatinny accessory rail for flashlights lasers Three hole trigger with skeletonized hammer Low profile front and rear iron sights Non slip polymer grip panels Compact pistol fits in universal type holsters Uses standard 12g CO2 cartridges (stored in mag) Lancer Tactical High Pressure 12 Gram CO2 Cartridges for