"Plink like a pro with the Umarex StrikeForce CO2 Air Rifle. Switch between full-automatic and semi-automatic as well as the safety through the 3-position, thumb-operated switch above the grip's left side. Take aim through the removable flip-up iron sights and fire away at speeds up to 450 fps. Adjust the L-shaped tactical stock to fit your body. This Umarex air rifle features a barrel with a 10"" profile, a hand guard with M-LOK slots, and a Picatinny rail for mounting optics. Its magazine holds up to 30 steel BBs. This air rifle is powered by dual 12-gram CO2 cartridges (not included) housed in the stock's buffer tube. Includes 1 magazine, BB speed-loader, and 3 interchangeable grips. Full-automatic and semi-automatic modes Modes and safety settings accessible through 3-position, thumb-operated switch above the grip's left side Fires at 450 fps L-shaped, adjustable tactical stock 10""-profile barrel Hand guard with M-LOK slots Removable flip-up iron sights Picatinny rail for mounting optics Magazine holds 30 steel BBs Powered by dual 12-gram CO2 cartridges (not included) housed in the stock's buffer tube Includes 1 magazine, BB speed-loader, and 3 interchangeable grips"