Convert your Mil-Spec AR-15 into a .22LR-compatible rifle with the CMMG® Bravo .22LR AR-15 Conversion Kit with 10-Round Magazine. This drop-in conversion kit includes a .22LR bolt assembly with a built-in recoil spring and one 10-round magazine. The bolt assembly is constructed of hardened steel for reliable performance in virtually any environment. The magazine features a lightweight aluminum body with a steel wire spring and polymer follower for smooth, reliable operation, and boasts an anodized finish for lasting corrosion resistance. Better yet, this kit is easy to install for quick, range-ready performance.