Our railed gas block clamps on for use with any .750 diameter barrel. The rail is not the same plane as the picatinny. It was Designed for use with a removable A2 style front sight and will adjust the height of the front sight to that of a F-height front sight.
We offer a notched design for use with most service rifle float tubes, or the standard design for use with the Compass Lake Engineering float tubes.
- Manufactured by: Compass Lake Engineering