B&T Industries 4" Picatinny Rail Flush Cup

Designed for long-lasting field use and superior strength, the B&T IndustriesA(R) 4" Picatinny Rail Flush Cup makes the perfect addition to your favorite long gun. This rail accommodates hole patterns with a center-to-center spacing of 2.2" to 3.5" and features a relieved back to accommodate curved surfaces. Further, this rail also boasts a flush cup that allows you to use Flush Cup sling swivels and sling studs for added versatility. A standard sling stud and sling stud spacer can be used as on