

Product Description
The Fortis Lightweight Enhanced (LE) Castle Nut & End Plate System is engineered to help prevent a receiver extension castle nut from backing out under use. Designed with Fortis innovation in mind, this lightweight setup integrates the castle nut and end plate into a robust, streamlined assembly without relying on set screws or a ratcheting mechanism. This K2 version includes a 360° rotational locking quick detach (QD) socket interface and is finished in black for a clean, professional build.
Product Highlights
- Lightweight Enhanced (LE) K2 castle nut and end plate system for AR-15 platforms
- Precision-machined 7075-T6 aircraft-grade aluminum castle nut and end plate
- Integrated QD socket with 360° rotational locking interface
- No set screws and no ratcheting system for a simplified, low-profile installation
- Made in the USA
Specs
- Brand: Fortis Manufacturing, Inc.
- Model/System: Lightweight Enhanced (LE) Castle Nut & End Plate System (K2)
- Platform: AR-15
- Color/Finish: Black (anodized)
- Material: 7075-T6 aircraft-grade aluminum
- QD Socket: Yes; 360° rotational locking interface
- Weight: 0.55 oz / 16.8 g (total)
- Country of Manufacture: USA
- UPC: 855476008261
- Manufacturer Part Number: LE-BLK-K2-BLK
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