Fortis LE Lightweight Enhanced End Plate with K1 System Castle Nut - Black/Gray (LE-BLK-K1-GRY)
Streamline and strengthen your AR-15 lower with the Fortis LE Lightweight Enhanced End Plate and K1 System Castle Nut in black/gray anodized finish. Designed for precision builds, this ultra-minimalist system delivers bombproof reliability, eliminates traditional failure points like staking or set screws, and adds seamless QD sling capability—all while keeping weight to an absolute minimum for faster handling and better balance in tactical, competition, or duty setups.
The innovative K1 tapered castle nut self-seals onto the end plate with an ultra-precise fit—no ratcheting, no staking, no screws to back out. Machined from 7075-T6 aircraft-grade aluminum, it includes a built-in 360° rotational quick-detach socket for ambidextrous sling attachment, making it ideal for modern, clean AR platforms.
Key Features
- Ultra-lightweight design at only ~0.55-0.59 oz total — perfect for weight-conscious builds
- K1 tapered castle nut self-seals for a secure, tool-free install without set screws, ratcheting, or staking
- Integrated 360° quick-detach sling socket with rotational locking for ambidextrous, snag-free use
- High-strength 7075-T6 aircraft-grade aluminum construction for durability and corrosion resistance
- Precision-machined for mil-spec buffer tubes — drop-in compatibility with no modifications needed
- Stylish black/gray anodized finish adds a premium, two-tone tactical look to any lower
Specifications
- Manufacturer: Fortis Manufacturing
- Model: LE Lightweight Enhanced End Plate with K1 System (Tapered) Castle Nut
- Manufacturer Part Number: LE-BLK-K1-GRY
- Color: Black/Gray (anodized)
- Material: 7075-T6 Aircraft-Grade Aluminum
- Weight: Approximately 0.55-0.59 oz (total assembly)
- Compatibility: Mil-spec AR-15 lowers and buffer tubes
- UPC: 850015927188
Whether you're assembling a lightweight competition rifle, a hard-use tactical setup, or a custom project, the Fortis LE K1 system offers unmatched simplicity, security, and performance. Install it once and forget about castle nut worries forever.
Lock in this elite end plate and castle nut combo today and take your AR lower to the next level of reliability and style for your next build or range session!