Product DescriptionThe Angstadt Arms 9mm Buffer Assembly Kit is a complete drop-in solution designed for blowback-operated 9mm AR-15 builds. Compatible with both GLOCK and Colt style 9mm AR-15 platforms, it features a durable 5.4 oz buffer and a dedicated buffer spacer to help limit bolt carrier overtravel for smoother, more reliable cycling. This kit includes the 9mm buffer, buffer spacer, and a carbine buffer spring.Product Highlights Complete drop-in 9mm AR-15 buffer kit for blowback 9mm builds Compatible with both GLOCK and Colt style 9mm AR-15 platforms 5.4 oz buffer helps manage recoil impulse and improve cycling Dedicated buffer spacer helps limit 9mm bolt carrier overtravel Includes 9mm buffer, buffer spacer, and carbine buffer springSpecs Brand Name: Angstadt Arms Product Type: 9mm AR-15 Buffer Assembly Kit Caliber/Cartridge: 9mm Compatibility: GLOCK and Colt style 9mm AR-15 platforms Buffer Weight: 5.4 oz Included Components: 9mm buffer, buffer spacer, carbine buffer spring Color: Black UPC: 853427007059 Manufacturer Part Number: AA09BUFKITDisclaimer: 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.