Fortis Manufacturing LE Lightweight Enhanced AR15 End Plate System K1 Tapered Blue Castle Nut LE-BLK-K1-BLU
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From OpticsPlanet
Fortis Manufacturing LE Lightweight Enhanced AR15 End Plate System K1 Tapered Blue Castle Nut LE-BLK-K1-BLU. With two lockdown systems (K1 and K2) we've engineered a solution to install the castle nut onto the end plate that is not only robust but also stands true to brand of innovation and ingenuity. The K1 system features a tapered castle nut that seals itself onto the end plate. This ultra precision snug fit allows the castle nut to seat and seal itself into place without the need of staking the end plate. No ratcheting no set screws no backing out and no failures. All of these features at only .59 oz / 16.8 grams No torque wrench required just tighten about 1/4 turn from hand tight.