Crosman C11 BB Mag, 18-rd Stick, 2/Pack, Fits C11/C21/C31, Beretta Elite II & S&W M&P

* 2 stick mags for the C11, C21, and C31 BB pistols plus the Beretta Elite II and the S&W M&P * Each holds 18 steel BBs * Made for STEEL BBs (Does NOT fit the C11 airsoft pistol!) You have to hold the follower with your thumb while loading BBs & when inserting the mag into the gun. The follower is the spring-loaded knob you pull down to load BBs.