Fortis Lightweight Enhanced AR15 Endplate and Castle Nut

Fortis Manufacturing, Inc.
Availability: Out of stock
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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.