Product Description The Strike Enhanced Castle Nut and Extended End Plate combo is designed to outperform generic parts kit hardware in both function and appearance. The steel castle nut is lengthened to match the extended end plate, supporting more of the receiver extension&';s threaded area for improved fit and aesthetics. The extended end plate incorporates a Quick Detach (QD) sling swivel mount positioned farther back from the webbing of the primary hand to help prevent painful sling-related pinching during manipulations in tight spaces and under stress. Product Highlights Enhanced AR-15 castle nut and extended end plate combo for improved function and aesthetics Lengthened steel castle nut supports more receiver extension threaded area Integrated Quick Detach (QD) sling swivel mount for modern sling setups QD placement helps reduce hand pinching during manipulations Built for confident weapons handling in tight spaces and high-stress use Specs Brand: Strike Manufacturer Part Number: ARECN&EEPBLU UPC: 708747545616 Product Type: Castle Nut / Extended End Plate Combo Material: Steel (castle nut) Sling Attachment: Quick Detach (QD) sling swivel mount (end plate) Platform Compatibility: AR-style receiver extension / buffer tube applications 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.