Product Description The CMMG AR15 H3 Buffer Assembly is the heaviest carbine buffer in the CMMG lineup, engineered to help shooters fine-tune the performance of their AR-15 platform. Weighing 5.4 oz, the H3 buffer delivers a meaningful reduction in felt recoil and helps resolve erratic case ejection issues. CMMG recommends incrementally stepping up buffer weights when tuning a rifle, as selecting a buffer that is too heavy can affect overall function and reliability. Crafted in the USA and backed by CMMG&';s Lifetime Quality Guarantee, this buffer assembly is a dependable upgrade for any AR-15 build. Product Highlights Heaviest carbine buffer in the CMMG lineup at 5.4 oz, purpose-built for advanced AR-15 recoil tuning Reduces felt recoil for a smoother, more controlled shooting experience Addresses erratic case ejection, improving cycling reliability Made in the USA to CMMG&';s rigorous manufacturing standards Backed by CMMG&';s Lifetime Quality Guarantee for long-term confidence and value Specs Brand: CMMG MPN: CMM55CA9FD UPC: 815835015262 Compatible Platform: AR-15 Buffer Type: H3 (Heaviest Carbine Buffer) Buffer Weight: 5.4 oz Country of Manufacture: USA Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.