Fortis Lightweight Enhanced End Plate Castle Nut Kit for AR-15 – K1 System, Black (LE-BLK-K1-BLK)

• AR15 end plate and tapered castle nut system for secure buffer tube retention
• K1 tapered castle nut design creates precision self-sealing fit without staking required
• Integrated quick detach socket supports sling attachment at rear receiver end position
• Constructed from 7075 T6 aircraft grade aluminum for strength and reduced weight
• No set screws or ratcheting system eliminates loosening and simplifies installation process
• Black finish provides corrosion resistance and matches common AR platform components

The Fortis Manufacturing, Inc. Lightweight Enhanced End Plate is an AR-15 end plate designed for securing the buffer tube assembly on rifle platforms.

The Fortis Manufacturing, Inc. Lightweight Enhanced End Plate is machined from 7075-T6 aircraft grade aluminum and features a black anodized finish. This AR-15 end plate is part of the K1 system and includes a tapered castle nut design that interfaces directly with the end plate. It incorporates a quick detach socket for sling attachment and does not require set screws or a ratcheting system. This product is used for retaining the receiver extension while providing sling mounting capability. In typical setups, this AR-15 end plate installs with compatible castle nuts and aligns with standard lower receiver end plate mounting positions.