Fortis K1 Enhanced End Plate with Tapered Castle Nut for AR-15 - Flat Dark Earth (Color: Flat Dark Earth)

Lightweight AR-15 Castle Nut and Endplate with Friction Fit Fortis created the two-piece K1 system to eliminate the risk of the castle nut backing out, while maintaining light weight. The K1 endplate features quick detach socket for a QD sling swivel, and it installs easily to the receiver with the K1 castle nut. These two [...]