F.A.B. Defense115713551
FAB Defense GL-Core Adjustable Cheek Rest - Flat Dark Earth Synthetic for AR-Platform$85.30
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Availability: In Stock
The FAB Defense GL-Core adjustable cheek rest brings ergonomic precision to your AR-platform rifle. Built around an integrated cheek weld and rubberized buttpad, this matte black synthetic stock combines comfort with functionality—essential whether you're dialing in at the range, hunting from a bench, or running drills. The GL-Core's compact profile and thoughtful design keep your shooting setup clean and snag-free, so nothing catches on gear or webbing when you need to move.
Fit is rarely one-size-fits-all, and FAB Defense knows it. The GL-Core ships with interchangeable buffer tube adapters engineered to lock tight on both Mil-Spec and Commercial buffer tubes—no wobble, no guesswork. The adjustable three-position cheek rest lets you dial in the right height for your optic setup and natural shooting posture, which translates directly to faster target acquisition and more consistent shooting positions across different configurations.
Construction is lightweight yet durable: fiberglass-reinforced polymer composite that won't add unnecessary weight to your rifle. The integrated rear sling swivel connectors give you solid attachment points, and the inversion-designed positioning lever won't pop open during normal handling or movement. For AR shooters who want a stock that fits well, stays put, and adapts to different optics and shooting styles, the GL-Core delivers straightforward, no-nonsense performance.
| Brand | F.A.B. Defense |
| Model | GL-Core |
| Platform | AR-Platform |
| Cheek Rest Positions | 3 |
| Buffer Tube Compatibility | Mil-Spec and Commercial |
| Material | Fiberglass-reinforced polymer composite |
| Finish | Matte Black |
| Sling Attachment | Dual integrated QD swivel connectors |
The GL-Core comes with interchangeable adapters designed to fit both Mil-Spec and Commercial buffer tubes. The system provides a tight, secure fit on either type, so you can use it on most standard AR-platform rifles without compatibility issues.
Yes. The GL-Core features a three-position adjustable cheek rest, allowing you to dial in the height that works best with your specific optic or sight configuration, whether you're running a low-mounted red dot or a taller scope.
The product ships as a complete stock with the integrated cheek weld, rubberized buttpad, and interchangeable buffer tube adapters included. All you need is to select the right adapter for your tube type and attach it to your rifle.
No. The GL-Core is designed with a compact, snag-free profile and no protruding parts, so it won't catch on webbing, slings, or tactical gear during normal use or movement. The inversion-design lever also resists accidental opening.
SKU: 115778989 • Width: 5.2in • Height: 2in • Depth: 7.1in • Weight: 0.95oz
Availability: In Stock
The FAB Defense GL-Core adjustable cheek rest brings ergonomic precision to your AR-platform rifle. Built around an integrated cheek weld and rubberized buttpad, this matte black synthetic stock combines comfort with functionality—essential whether you're dialing in at the range, hunting from a bench, or running drills. The GL-Core's compact profile and thoughtful design keep your shooting setup clean and snag-free, so nothing catches on gear or webbing when you need to move.
Fit is rarely one-size-fits-all, and FAB Defense knows it. The GL-Core ships with interchangeable buffer tube adapters engineered to lock tight on both Mil-Spec and Commercial buffer tubes—no wobble, no guesswork. The adjustable three-position cheek rest lets you dial in the right height for your optic setup and natural shooting posture, which translates directly to faster target acquisition and more consistent shooting positions across different configurations.
Construction is lightweight yet durable: fiberglass-reinforced polymer composite that won't add unnecessary weight to your rifle. The integrated rear sling swivel connectors give you solid attachment points, and the inversion-designed positioning lever won't pop open during normal handling or movement. For AR shooters who want a stock that fits well, stays put, and adapts to different optics and shooting styles, the GL-Core delivers straightforward, no-nonsense performance.
| Brand | F.A.B. Defense |
| Model | GL-Core |
| Platform | AR-Platform |
| Cheek Rest Positions | 3 |
| Buffer Tube Compatibility | Mil-Spec and Commercial |
| Material | Fiberglass-reinforced polymer composite |
| Finish | Matte Black |
| Sling Attachment | Dual integrated QD swivel connectors |
The GL-Core comes with interchangeable adapters designed to fit both Mil-Spec and Commercial buffer tubes. The system provides a tight, secure fit on either type, so you can use it on most standard AR-platform rifles without compatibility issues.
Yes. The GL-Core features a three-position adjustable cheek rest, allowing you to dial in the height that works best with your specific optic or sight configuration, whether you're running a low-mounted red dot or a taller scope.
The product ships as a complete stock with the integrated cheek weld, rubberized buttpad, and interchangeable buffer tube adapters included. All you need is to select the right adapter for your tube type and attach it to your rifle.
No. The GL-Core is designed with a compact, snag-free profile and no protruding parts, so it won't catch on webbing, slings, or tactical gear during normal use or movement. The inversion-design lever also resists accidental opening.
SKU: 115778989 • Width: 5.2in • Height: 2in • Depth: 7.1in • Weight: 0.95oz