Product Description The Cobalt Kinetics A5CKH2 is a complete A5-length buffer system kit engineered for AR-platform rifles demanding consistent cycling performance and reduced felt recoil. Developed in collaboration with VLTOR, this kit pairs the proven Cobalt/VLTOR A5-CK buffer with a matching A5 buffer tube and A5-length spring, creating an all-in-one drop-in upgrade. The extended A5 stroke cycle improves bolt carrier group timing and smooths out the operating cycle compared to standard carbine setups. Constructed from aluminum with a durable black anodized finish, this kit is built to resist corrosion and withstand demanding use on the range or in the field. Product Highlights Complete kit includes Cobalt/VLTOR A5-CK buffer, A5 buffer tube, and A5-length spring for a full system upgrade Black anodized aluminum construction delivers superior durability, corrosion resistance, and long service life A5-length design improves bolt carrier group timing and reduces felt recoil on rifle-platform AR builds Co-developed with VLTOR, combining the expertise of two industry-leading manufacturers Designed to fit rifle-platform AR builds for straightforward, compatible installation Specs Brand: Cobalt Kinetics MPN: A5CKH2 UPC: 850060560125 Material: Aluminum Finish: Black Anodized Firearm Fit: Rifle Kit Includes: Cobalt/VLTOR A5-CK buffer, A5 buffer tube, A5-length spring Buffer Weight: 5.33 oz Length: 6.9 in Width: 2.7 in Height: 1.2 in 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.