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Customer Reviews
Helpful Positive Review
I wanted a buttstock with a pic rail on it... and there are very few options available. This is perhaps the only one in current production, and almost certainly the only one available in FDE. Why would anyone need a buttstock with a rail? Well, if y...
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5/5 found this helpful
Helpful Negative Review
Fab defense not so fab by Big Johnson, June 28, 2017
The butt stock itself was alright. It looked pretty cool in a steroidal tactical way. Almost futuristic. The cheek riser, however, was useless. even more, it was detrimental to the operation of my rifle. While implementing the Cheek riser the chargin...
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13/23 found this helpful
Most Recent Reviews
Cheap junk and CRAPPY customer support by WCR1nova, Verified Owner, March 25, 2026
I bought this because of being inexpensive. I should have bought MagPul. The cheek riser kept slipping when I tightened the knob hand tight, and would not easily fall down unless I tightened the knobs to almost the breaking point. I emailed customer ...
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Most Recent Reviews
love this and looks great by TR, Verified Owner, March 23, 2026
Love this Butt stock it looks great on my AR.. definitely recommend
Most Recent Reviews
Great product! by DK, Verified Owner, March 5, 2026
I switched out the butt stock on my AR! It was easy to switch out and is way better than the factory butt stock!
Most Recent Reviews
Great butt stock by BT, Verified Owner, January 21, 2026
I put this Fab Defense butt stock on all my builds. Good snug fit, no slop and play. The riser is useful and puts my head in the correct position for shooting. The battery storage in the stock is also a plus. Pricey, but worth the extra $$$.
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Product Info for FAB Defense GLR16 with a GCP Cheek Riser and GPCP Picatinny Rail Adaptor

Advance the capabilities of your rifle by installing this FAB Defense GLR16 w/ GCP Cheek Riser and GPCP Picatinny Rail Adaptor. These AR15 Stocks by FAB Defense fits both MIL-SPEC and commercial aftermarket tubes thanks to its patented anti-rattle mechanism. There are 3 slots for rifle sling attachment on this FAB Defense GLR-16 PCP Tactical Buttstock - one in the front and two in the back. Store batteries and other small accessories in the sealed storage compartment that contains a rubber fixation to eliminate any rattling sounds. Adjust the cheek rest to your liking, and enjoy a non-slip design that will improve your accuracy control. Get more out of your rifle by upgrading it with this FAB Defense M4/AR15 Buttstock w/ Cheek Rest.image

Specifications for FAB Defense GLR16 with a GCP Cheek Riser and GPCP Picatinny Rail Adaptor:

Manufacturer: FAB Defense
Buffer Tube Size: Commercial or MIL-Spec
Length: 180 mm, 7.09 in
Weight: 0.597 lb, 271 g
Height: 131 mm, 5.16 in
Width: 2.05 in, 52 mm

Features of FAB Defense GLR16 w/ GCP Cheek Riser and GPCP Picatinny Rail Adaptor:

  • Non-Slip Unique Traction Design Rubber Butt Pad, Allows Fast and Stable Shoulder Positioning
  • Three Integrated Slots for Sling Attachment, One in the Front and Two at the Rear
  • Sealed Storage Compartment for Two CR123 or AA Batteries with a Rubber Fixation that Eliminates Rattling Noise
  • Integrated Ambidextrous Quick Detach Swivel Rear Sling Connectors
  • Enhanced Non Slip Quality for Steady Positioning with Body Armor
  • Maintains Contour & Size of Original Design
  • Unique Patented "Anti-Rattle" Mechanism allows fit on Both Tubes; MIL-SPEC and Commercial Aftermarket!
  • Adjustable Cheek Rest with Built-In Dual Picatinny Rails
  • Allows Optimal Buttstock Functionality
  • Ideal Mounting Solution for the SH-5

Package Contents:

  • FAB Defense GLR16 with a GCP Cheek Riser and GPCP Picatinny Rail Adaptor

FAB Defense GLR16 with a GCP Cheek Riser and GPCP Picatinny Rail Adaptor Orderable Models

List of Orderable Models

  • USED, FAB Defense GLR16 with a GCP Cheek Riser and GPCP Picatinny Rail Adaptor, Flat Dark Earth, FX-GLR16PCPT , MPN: FX-GLR16PCPT-EDEMO , Code: 1S0-FBS-GLR-FX-GLR16PCPT-EDEMO-RE-C
  • FAB Defense GLR16 with a GCP Cheek Riser and GPCP Picatinny Rail Adaptor, Flat Dark Earth, FX-GLR16PCPT , MPN: fx-glr16pcpt , UPC: 7290105945853 , Code: 1S0-FBS-GLR-FX-GLR16PCPT
  • FAB Defense GLR16 with a GCP Cheek Riser and GPCP Picatinny Rail Adaptor, OD Green, FX-GLR16PCPG , MPN: fx-glr16pcpg , UPC: 7290105945846 , Code: 1S0-FBS-GLR-FX-GLR16PCPG
  • FAB Defense GLR16 with a GCP Cheek Riser and GPCP Picatinny Rail Adaptor, Black, FX-GLR16PCP , MPN: fx-glr16pcp , UPC: 7290105942029 , Code: 1S0-FBS-GLR-FX-GLR16PCP

FAB Defense GLR16 with a GCP Cheek Riser and GPCP Picatinny Rail Adaptor Unavailable & Discontinued Models

List of Unorderable Models

  • Open Box, Dealer Demo, FAB Defense GLR16 with a GCP Cheek Riser and GPCP Picatinny Rail Adaptor, OD Green, FX-GLR16PCPG , MPN: FX-GLR16PCPG-DMO , Code: 1S0-FBS-GLR-FX-GLR16PCPG-DMO-OB-A
  • Open Box, Dealer Demo, FAB Defense GLR16 with a GCP Cheek Riser and GPCP Picatinny Rail Adaptor, Flat Dark Earth, FX-GLR16PCPT , MPN: FX-GLR16PCPT-DMO , Code: 1S0-FBS-GLR-FX-GLR16PCPT-DMO-OB-A
  • Open Box, Dealer Demo, FAB Defense GLR16 with a GCP Cheek Riser and GPCP Picatinny Rail Adaptor, Black, FX-GLR16PCP , MPN: FX-GLR16PCP-DMO , Code: 1S0-FBS-GLR-FX-GLR16PCP-DMO-OB-A
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