- CNC Machined High Quality Steel
- Heat Treated
- Solid Machined Construction
- Black Oxide Finish
- 1/2″x28 Pitch
Black oxide finish, solid precision machined construction. The AR thread protector will protect your threads if you plan on going without a muzzle brake on your rifle. The thread pitch is 1/2″x28 for a 223 rifle.
All FSI accessories carry a 100% satisfaction guarantee against manufacturer’s defects in original materials and workmanship. If your FSI accessory shows evidence of such defects, FSI will fix, repair, or replace your accessory at the most cost effective manner possible. FSI does not warranty products or damage caused to our products as a result from improper installation or incorrect installation of other manufacturers’ products. Be sure to keep your sales ticket or receipt as proof of purchase date when making a claim.