auto177From the manufacturer Umarex Beretta M92 A1 .177 Full-Auto Steel BB Gun Airgun Umarex Beretta M92 A1 .177 Full-Auto Steel BB Gun Airgun Single, double and full-auto firing modes!!! Spare magazines are also available toFull-Auto fun is always Number One! Power up the Umarex StrikeForce .177 caliber BB rifle with a pair of 12 gram CO2 cartridges, fill the magazine with BBs and start blasting targets.