Fortis Lightweight Enhanced End Plate Castle Nut Kit for AR-15 – K2 System, Olive Drab Green (LE-BLK-K2-ODG)

• End plate and castle nut combo for AR15 buffer tube retention system
• Lightweight construction weighs approximately 0.53 ounces minimizing added system weight
• 7075 T6 aircraft grade aluminum provides durability and long term performance
• Quick detach socket features 360 degree rotational locking interface for sling use
• K2 locking lever design secures castle nut without staking or set screws required
• Olive drab green anodized finish improves corrosion resistance and visual styling

The Fortis Manufacturing, Inc. K2 Enhanced End Plate Castle Nut Combo is a castle nut and end plate combo designed for securing an AR-15 buffer tube assembly. This end plate castle nut combo uses a lightweight design at approximately 0.53 oz and incorporates a locking lever interface for retention.

The Fortis Manufacturing, Inc. K2 Enhanced End Plate Castle Nut Combo is made from 7075 T6 aircraft grade aluminum with an anodized olive drab green finish. The K2 system features a locking lever that engages through the end plate into the castle nut for mechanical retention without set screws. This product is used for AR-15 platforms requiring a reusable installation method without staking. In normal operation, the integrated 360-degree QD socket supports sling attachment with rotational positioning. The Fortis Manufacturing, Inc. K2 Enhanced End Plate Castle Nut Combo provides a defined interface fit and is intended for long gun configurations where secure receiver extension attachment is required.