Keep the action going with a spare magazine for the Legends M1A1 .177 caliber airgun. Designed specifically for the M1A1 Full Auto BB gun, this drop-free mag holds 30 rounds of .177 caliber steel BBs and houses two 12-gram CO2 cartridges for reliable power and performance. Ideal for quick reloads during extended shooting sessions, it also includes a CO2 screw key for easy cartridge installation. A must-have accessory for maximizing time on the range and keeping the BBs flying.