KAK Mil-Spec Castle Nut

If you are needing simple parts, we have assortment of new unused parts in our field case you can look through. Listing all the pins, detends, springs and such just clutters the page with inexpensive parts. We are now carrying plenty of parts to rebuild bolt carriers as well when you get into a bind. 307-254-0716
 
The KAK AR-15 MIL-SPEC Castle Nut is 100% made in the U.S.A. from hardened steel for the durability and strength you'd expect. The narrower staking cuts allow the end plate to be staked into the castle nut for a worry-free installation.