American Precision Arms FR-1 Accessory Cap 35mm FR135CAP. This utilizes a three-point steel dowel system secured by a single screw at a 45-degree angle creating unparalleled strength rigidity and speed for laser and Red Dot zero retention. It is...
American Precision Arms FR-1 Accessory Cap 35mm FR135CAP. This utilizes a three-point steel dowel system secured by a single screw at a 45-degree angle creating unparalleled strength rigidity and speed for laser and Red Dot zero retention. It is...