FULL-AUTO CO2-POWERED BB AIR RIFLE - With Semi-Auto option FLINGS BBS UP TO 430 FPS - That's over 1400 rounds per minute 12-GRAM CO2 POWERLETS - Compatible with most air rifles and air pistols SNUG FIT, SOLID SEAL - For reliable and consistent performance 4. 5mm COPPER-COATED BBs - Compatible with 4. 5mm-caliber BB air guns and BB air pistols 1500-COUNT EZ-POUR BOTTLE - Ideal for the BB air gun enthusiast or backyard plinking fun