Guntec USA has been manufacturing AR-15, AR-308 and AR 9mm accessories since 1989. Our goal is to distribute excellent quality, at an economical value.
- Proprietary Barrel Nut Included
- Rail Slides Over Barrel Nut, And Is Locked Up Against Receiver With 6 Screws
- Tight Fit Up Against Receiver, Which Allows For A Monolithic Top Rail