Product Description The Primary Weapons Systems (PWS) Enhanced Buffer Tube Mil-Spec Gen 2 is a premium 6-position carbine receiver extension designed to deliver a strong, rigid foundation for AR-platform builds. Built from 7075 aluminum with a black anodized finish and a fluted body, it is engineered for durability while reducing unnecessary weight. The enhanced design features an extended carrier support/anti-tilt lip to promote smoother cycling and improved reliability, especially under demanding use. This kit includes PWS&&';;s Ratchet Lock castle nut and end plate set, which provides a secure lockup without the need for staking and simplifies future disassembly. Product Highlights Mil-spec diameter carbine buffer tube for broad AR-15/AR-10 stock compatibility Impact-extruded 7075 aluminum construction for strength and rigidity Fluted, lightened design helps reduce weight and can aid debris clearing Extended carrier support/anti-tilt lip helps improve function and longevity Includes Ratchet Lock castle nut and end plate set to eliminate staking Specs Brand: Primary Weapons Systems Product Type: Enhanced carbine buffer tube / receiver extension kit Generation: Gen 2 Tube Diameter: Mil-Spec (approx. 1.14 in) Positions: 6-position Material: 7075 aluminum (7075-T6) Finish/Color: Black anodized Design Features: Fluted body; extended carrier support/anti-tilt lip; lightening cuts Included Components: Ratchet Lock castle nut and end plate set Weight: 4.3 oz (listed) MPN: EBT-RLCN-KIT UPC: 811154033611 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.