Product Description The Strike Enhanced Castle Nut and Extended End Plate combo is designed to improve both the function and appearance of your AR-style receiver extension setup. The steel castle nut is lengthened to better support the receiver extension threaded area and to visually match the extended end plate for a cleaner, more integrated look. The extended end plate incorporates a Quick Detach (QD) sling swivel mount that is positioned rearward to help keep the sling attachment away from the webbing of the primary hand, improving comfort and control during manipulations in tight spaces and under stress. Product Highlights Enhanced, lengthened steel castle nut supports more receiver extension thread engagement for a refined fit and finish. Extended end plate with integrated QD sling swivel socket helps prevent painful sling pinch during weapon manipulation. Flat Dark Earth anodized finish for corrosion resistance and a cohesive AR build aesthetic. Designed for AR-style platforms using a receiver extension (buffer tube) castle nut/end plate interface. Upgrade-focused combo that stands out from generic parts-kit castle nut/end plate sets in looks and functionality. Specs Brand: Strike Manufacturer Part Number: ARECN&EEPFDE UPC: 708747547078 Product Type: AR castle nut and extended end plate combo Material: Steel Finish/Color: Flat Dark Earth anodized Platform Fit: AR style 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.