MAG UMX LEGENDS M1A1 30RD .177 BB

Keep the BBs flying with a spare magazine for your Legends M1A1 .177 caliber airgun. This magazine holds 30 .177 caliber steel BBs and two 12 gram CO2 cartridges, just like the one that came with the M1A1. An Allen key for the CO2 screw also comes with the magazine.