Product Description The Angstadt Arms Hydraulic Buffer Kit is designed to smooth out the recoil impulse common to straight blowback pistol caliber carbines (PCC). Featuring a standard damping profile intended for primarily unsuppressed use across barrels of all sizes, this buffer helps deliver a more controlled, comfortable shooting cycle. The kit includes a 6 oz hydraulic buffer with a black bumper and a compact length that compresses to help optimize fitment. Product Highlights Hydraulic buffer system helps smooth recoil impulse in straight blowback PCC platforms Standard damping profile optimized for primarily unsuppressed applications 6 oz buffer weight supports reliable cycling and reduced felt recoil Extended buffer length of 4.35 in compresses to 3.90 in for efficient operation Black bumper for durability and consistent contact in the buffer tube Specs Brand: Angstadt Arms Manufacturer Part Number: AA09HBKSDP UPC: 850053228346 Application: Straight blowback PCC Caliber Compatibility: 9mm / .40 / .45 Damping Profile: Standard Buffer Weight: 6 oz Buffer Length (Extended): 4.35 in Buffer Length (Compressed): 3.90 in Bumper Color: Black 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.