Thumbscrew with Quick Detach
Designed to provide an additional QD sling swivel attachment point option. The QD Thumbscrew replaces either one of the standard thumbscrews and accepts the Grovtec Quick Detach sling swivel. The thumbscrew will not loosen with the QD attached. The thumbscrew is used to attach the Cheek Piece or Adjustable Butt Plate to an MBA Buttstock frame.