In stock
FAB Defense GL-Shock PCP M4/AR-15 Buttstock w/ Picatinny Cheek Rest, Black - FX-GLSHOCKPC
In stock

FAB Defense GL-Shock PCP M4/AR-15 Buttstock w/ Picatinny Cheek Rest, Black - FX-GLSHOCKPC

SKU 165451190
Brand FAB Defense
UPC 7290105942036
Customers must read Compliance Information before purchasing.
This product is fulfilled by a PSA Partner and shipping times may vary.

Product Details


  • Brand: FAB Defense
  • Model: GL-Shock PCP
  • Weight: 14.85 oz.
  • Width: 2.6"
  • Height: 5.2" (6.4" Cheek Riser Max. Height)
  • Length: 7.1"
  • Material: Reinforced Polymer
  • Color: Black
  • Fits: MIL-SPEC and Aftermarket Tubes


The GL-Shock is a revolutionary patented design by FAB Defense. The GL-Shock is a shock absorbing buttstock that contains a recoil-reducing mechanism. This buttstock features a built-in premium silicon chrome alloy spring and the FAB Defense unique patented "anti-rattle" mechanism. The GL-Shock also features an adjustable cheek riser with a built-in dual Picatinny rail that allows optimal buttstock functionality. The GL-Shock creates a state-of-the-art stock for your M4/AR-15.


  • Sleek New Design with No Protruding Parts, Will Not Get Caught on Gear and Webbing
  • Unique New Slick and Quick Operated Inversed Positioning Lever
  • Integral Ribbed Rubber Butt Pad with a Non-Slip Design
  • Integrated Quick Detach "QD" Sling Swivel Connectors on Both Sides
  • Watertight Battery Storage for Two CR123A 3V Lithium Batteries / AA 1.5v
  • Fits Perfectly on Both Tubes - MIL-SPEC and Commercial Aftermarket!
  • Made from Mill-Spec Reinforced Composite Polymer
  • Ideal Mounting Solution for the SH-5


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All NFA Rules Apply

These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.