RMP™ Buttstock Cup Kit

RMP™ Buttstock Cup Kit The RMP™ Buttstock Cup Kit is everything you need to create a solid mounting point for your Buttstock on any RMP™. It comes with two backer plates and an L-Bracket which create the shelf that the Buttstock Cup will attach to. The L-Bracket has 9 tapped holes to allow mounting at 90°, 135°, or 180° off of the RMP™.  The aluminum Buttstock Cup secures to the Buttstock Cup L-Bracket using the included machine screw and 5/32" Hex Key. The Buttstock Cup comes in two sizes, Standard and XL. The RMP™ Buttstock Cup Kit is typically paired with the QuickFist® Go-Between Clamp - Enlarged [Handguard] - Clamp + RMP Backer Plates to secure the other end of the weapon.