Strike Industries Enhanced Castle Nut & QD End Plate, Black

The Strike Industries Enhanced Castle Nut and Extended QD End Plate upgrade refines receiver extension interface and sling ergonomics for AR platforms. The steel castle nut is lengthened to engage more of the receiver extension’s threaded area, improving support and appearance compared with standard parts. The extended end plate includes a rearward-positioned Quick Detach sling swivel mount to keep the sling away from the primary hand’s webbing. This design reduces interference during handling and when operating in confined spaces.

Key Specifications

• The product type is Castle Nut/End Plate.
• The model is Enhanced Castle Nut with QD.
• The material is Steel.
• The finish is Black.
• Compatible with AR / AR-15 platforms.
• The assembly weight is 3.7 oz.
• Includes an extended end plate with a Quick Detach sling swivel mount.
• Designed to engage more of the receiver extension’s threaded area for improved support.

This low-profile upgrade provides a practical improvement in sling placement and receiver interface without altering core function. Built in steel with a black finish, it offers a durable, clean-looking replacement for standard castle nut and end plate kits on AR-15 receivers, helping streamline setup and handling for users who prioritize reliable fit and straightforward ergonomics.