Product DescriptionThe Primary Weapons Systems Ratchet Lock Castle Nut & End Plate Set provides a fast, secure upgrade for AR-platform rifles. Its ratchet-lock design eliminates the need for staking while delivering a rock-solid lockup. Compatible with both Mil-Spec and commercial buffer tubes, the end plate includes an integrated quick?'detach (QD) sling mount. Built from durable 4140 steel, this kit installs easily and can be removed without hassle-ideal for new builds or refreshing existing carbines. Designed to pair with PWS's Enhanced Buffer Tube Mod 2 and suitable for AR-15 and AR-308 applications.Product HighlightsRatcheting castle nut design eliminates staking for easier assemblyWorks with Mil-Spec and commercial buffer tubes on AR platformsIntegrated QD sling swivel mount on the end plate for flexible carry optionsRobust 4140 steel construction for long-term durabilityQuick, straightforward installation with easy removal when neededSpecsProduct Type: Castle Nut & End Plate SetMaterial: 4140 steelColor: BlackCompatibility: AR-15 and AR-308 platforms; Mil-Spec & Commercial buffer tubesDesigned For: PWS Enhanced Buffer Tube Mod 2 (also compatible with standard tubes)Integrated Mount: QD sling slot on end plateWeight: approx. 0.2 lbUPC: 811154033673Manufacturer Part Number: RLCN-KITBrand: Primary Weapons SystemsDisclaimer: 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.