The Fortis Manufacturing End Plate & Castle Nut set provides a precision-machined upgrade for securing buffer tubes on AR-15 and AR-10 platforms.
- Part Type: Buffer Tube End Plate & Castle Nut
- Compatible Firearms: AR-15, AR-10
- Material: Hardened Steel
- Finish: Matte Black
- Installation: Drop-In (castle nut wrench and staking punch required)
- Includes: (1) End Plate, (1) Castle Nut










