Extra-tough, polymer magazines are self-lubricating and hold 25 rounds of .22LR ammo. Constant force spring provides uniform feeding and smooth loading. Two alternating, interlocking notches make it easy to "click" two or three mags together for fast reloads and increased shooting time. Available with separately molded, Stainless Steel (SS) feed lips for optimum performance. Fits RugerA(R) 10/22A(R) and 77/22A(R), and AMT Lightning. Mfg: Butler Creek