CMMG Parts Kit AR15 Buffer Retainer

CMMG Parts Kit AR15 Buffer Retainer. This kit includes the essential components needed for a secure and reliable buffer retainer setup in AR-15 platforms. Designed to maintain correct positioning of the buffer and buffer spring during assembly and operation, the parts are built to mil-spec dimensions for dependable fitment across standard AR-15 lowers. Durable construction ensures long-term performance, making this kit a solid choice for new builds, replacements, or routine maintenance where consistent buffer system alignment is critical.