Self-Retention Castle Nut and QD End Plate

The Armaspec Self-Retention Castle Nut & QD Endplate Bundle delivers unmatched stability, simplicity, and style for your AR build. Featuring patented self-retention thread technology, quick-detent installation, and a built-in QD sling socket, this combo ensures secure retention, effortless installation, and smooth sling transitions. Precision-machined from ultra-lightweight 7075 aluminum and available in six color options, it combines rugged durability with a custom look to set your rifle apart.