FAB Defense GL-Core Matte Black Synthetic Buttstock for AR-Platform (FXGLCOREB)F.A.B. Defense$77.20
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F.A.B. Defense
The FAB Defense GL-Core CQB is a purpose-built AR-platform buttstock engineered for close-quarters work without sacrificing stability in mid-range shooting. Developed in collaboration with elite Israeli counter-terrorism operators, this matte black synthetic stock strips away excess length and bulk—critical when you're moving through tight spaces, vehicles, or structures—while maintaining the rigidity and control you need when things open up. If you run an AR pistol, short SBR, or carbine and prioritize maneuverability in CQB drills or home-defense scenarios, this is a stock that gets the job done without compromise.
The design centers on a flat-faced rubberized butt-pad that works equally well with or without body armor, giving you consistent shouldering whether you're wearing a plate carrier or light clothing. The integrated cheek weld is optimized for M4/AR-15 geometry, so you'll naturally index properly behind a red dot or low-power optic. Two quick-detach sling swivel connectors are built in, letting you run your preferred sling system without additional hardware taking up real estate. The compact profile means nothing protrudes to snag on gear, webbing, or tight quarters—a detail that matters when seconds count.
Construction is lightweight fiberglass-reinforced polymer composite, tough enough for hard use without adding unnecessary weight to your rifle. Interchangeable buffer tube adapters ensure a solid, rattle-free fit on both Mil-Spec and Commercial buffer tubes. The positioning lever is internally designed to resist accidental opening, so your stock stays where you set it during movement or deployment.
| Brand | F.A.B. Defense | ||
| Model | GL-Core CQB | Platform | AR-15/M4 |
| Finish | Matte Black | ||
| Material | Fiberglass-reinforced polymer composite | ||
| Buffer Tube Compatibility | Mil-Spec and Commercial | ||
| Sling Attachment | Two integrated QD swivel connectors |
Yes. The GL-Core CQB is designed for AR-15/M4 platforms and includes interchangeable buffer tube adapters to fit both Mil-Spec and Commercial buffer tubes, ensuring compatibility with most standard AR builds.
Yes. The flat-faced rubberized butt-pad is specifically designed to work effectively with or without tactical body armor, providing consistent shouldering either way.
The GL-Core CQB is purpose-built for close-quarters scenarios and short-to-mid-range engagements. Its compact design prioritizes maneuverability in tight spaces. If you primarily hunt or shoot at distance, a longer stock may provide more comfort and control.
The stock has two integrated quick-detach rear sling swivel connectors built in, so you can attach your sling system directly without additional hardware.
F.A.B. Defense
The FAB Defense GL-Core CQB is a purpose-built AR-platform buttstock engineered for close-quarters work without sacrificing stability in mid-range shooting. Developed in collaboration with elite Israeli counter-terrorism operators, this matte black synthetic stock strips away excess length and bulk—critical when you're moving through tight spaces, vehicles, or structures—while maintaining the rigidity and control you need when things open up. If you run an AR pistol, short SBR, or carbine and prioritize maneuverability in CQB drills or home-defense scenarios, this is a stock that gets the job done without compromise.
The design centers on a flat-faced rubberized butt-pad that works equally well with or without body armor, giving you consistent shouldering whether you're wearing a plate carrier or light clothing. The integrated cheek weld is optimized for M4/AR-15 geometry, so you'll naturally index properly behind a red dot or low-power optic. Two quick-detach sling swivel connectors are built in, letting you run your preferred sling system without additional hardware taking up real estate. The compact profile means nothing protrudes to snag on gear, webbing, or tight quarters—a detail that matters when seconds count.
Construction is lightweight fiberglass-reinforced polymer composite, tough enough for hard use without adding unnecessary weight to your rifle. Interchangeable buffer tube adapters ensure a solid, rattle-free fit on both Mil-Spec and Commercial buffer tubes. The positioning lever is internally designed to resist accidental opening, so your stock stays where you set it during movement or deployment.
| Brand | F.A.B. Defense | ||
| Model | GL-Core CQB | Platform | AR-15/M4 |
| Finish | Matte Black | ||
| Material | Fiberglass-reinforced polymer composite | ||
| Buffer Tube Compatibility | Mil-Spec and Commercial | ||
| Sling Attachment | Two integrated QD swivel connectors |
Yes. The GL-Core CQB is designed for AR-15/M4 platforms and includes interchangeable buffer tube adapters to fit both Mil-Spec and Commercial buffer tubes, ensuring compatibility with most standard AR builds.
Yes. The flat-faced rubberized butt-pad is specifically designed to work effectively with or without tactical body armor, providing consistent shouldering either way.
The GL-Core CQB is purpose-built for close-quarters scenarios and short-to-mid-range engagements. Its compact design prioritizes maneuverability in tight spaces. If you primarily hunt or shoot at distance, a longer stock may provide more comfort and control.
The stock has two integrated quick-detach rear sling swivel connectors built in, so you can attach your sling system directly without additional hardware.