Fortis Manufacturing AR-15 LE Tapered Castle Nut/End Plate K1 System

Fortis Manufacturing AR-15 LE Tapered Castle Nut/End Plate K1 System is a lightweight AR-15 end plate and castle nut assembly that uses a tapered K1 castle nut locking onto the end plate. The K1 system provides a 360-degree locking interface with no staking, no set screws, and no ratcheting. It weighs 0.55 oz (16.8 g) in the base configuration. No torque wrench is required; hand tight is about 1/4 turn from hand tight; if using a torque wrench, apply 15-20 ft-lbs. Finish: Mil-Spec Anodized. Fabric/Material: 7075-T6 Aircraft Grade Aluminum. Hand: Ambidextrous. Gun Make: AR Platform. Gun Model: AR-15. Package Contents: Fortis Manufacturing AR-15 LE Tapered Castle Nut/End Plate K1 System. Compatible with AR-15.