CMMG Barrel and Bolt Group Kit .22 LR 9" AR-15 Conversion, Stainless Steel - 22D8FEF

Conversion kit containing barrel and bolt carrier group for .22 LR chambering, designed to convert an existing AR-15 upper receiver to dedicated rimfire shooting. Features stainless steel construction and requires only a magazine and ammunition to function; CMMG recommends round-style hammers and 36-grain plated bullets for optimal performance.