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RMP™ 6″ Extension For Cup

SKU: GMT-WM-05 Categories: ,

No rifle parts are sold with this. This is just an extension for the cup mount.


Refund notice

RMP™ Cup – 6″ Extension

The RMP™ Buttstock – 6″ Extension is designed to interface directly with the Standard or XL size RMP Buttstock Cup Kit and using one of the three sets of tapped holes allow the RMP Buttstock Cup Kit to drop 5″, 5.5″ or 6″ below the mounting point.


QTY 1 – 6″ Extension

QTY 2 – 1/4-20 x 3/4″ Machine Screws

Installation Instructions:

  • Starting with a fully assembled RMP Buttstock Cup Kit, back the machine screws out of the RMP Backer Plates to dismount from RMP.
  • Slide notched end of 6″ Extension onto the top edge of “L-Bracket”. Pass the 1/4-20 x 1/2″ machine screws that previously were used through the RMP Backer Plate through the two holes on the 6″ Extension and fasten onto the “L-Bracket”.
  • Align one of the three sets of threaded holes at the top of the 6″ Extension and use the included 1/4-20 x 3/4″ machine screws to pass through the back of the RMP Backer Plate, through the RMP and fasten into the 6″ Extension.


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