FAB Defense GL-Core CP Adjustable Cheekrest Buttstock, OD Green Synthetic for AR-PlatformF.A.B. Defense$85.30
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F.A.B. Defense
The FAB Defense GL-Core S CP adjustable cheekrest buttstock brings Israeli Counter-Terrorism design to your AR platform rifle. Built compact for CQB work but rigid enough for mid-range shooting, this collapsible stock pairs a slim, non-slip buttpad with an integrated cheek weld to anchor your cheek consistently behind the gun. The CP variant adds an adjustable cheek rest—a feature that lets you dial in proper sight picture and head position whether you're running a traditional optic, holographic sight, or iron sights. That flexibility matters when you're running multiple uppers or sharing a rifle in a squad.
Setup is straightforward. The GL-Core S comes with an interchangeable buffer tube adapter, so it'll mount directly on either Mil-Spec or Commercial buffer tubes—no guesswork, no special parts needed. Two integrated QD sling swivel sockets are built in, giving you quick-detach attachment points without adding clutter or extra hardware. The matte black synthetic construction is durable and weatherproof, so whether you're training, hunting, or working drills on the range, the stock resists rust and won't rattle loose.
If you shoot an AR setup that needs a compact, rigid stock with real cheek support—and especially if you want to tune that cheek weld to match your optic—the GL-Core S CP delivers proven design without the usual retail markup.
| Brand | FAB Defense |
| Model | GL-Core S CP |
| Platform Compatibility | AR platform (Mil-Spec and Commercial buffer tubes) |
| Features | Adjustable cheek rest, integrated cheek weld, collapsible rubber buttpad, dual QD sling swivels |
| Material | Matte black synthetic |
| Design Origin | Israeli Counter-Terrorism unit specification |
Yes. The GL-Core S CP comes with an interchangeable buffer tube adapter that works on both Mil-Spec and Commercial diameter tubes, so compatibility across most AR builds is standard.
The CP version's adjustable cheek rest lets you fine-tune your head position and cheek weld to match the height and reticle view of your specific optic—whether that's a traditional scope, holographic sight, or iron sights. This is especially useful if you run different uppers or sights on the same lower receiver.
The GL-Core S CP works well for both. The compact, collapsible design is effective for close-quarters scenarios, but the rigid construction and cheek support also provide the stability and control needed for mid-range engagements, making it a practical choice for hunters and sport shooters as well as tactical training.
The stock includes the GL-Core S CP buttstock with adjustable cheek rest, the interchangeable buffer tube adapter for Mil-Spec and Commercial tubes, and two integrated QD sling swivel sockets.
F.A.B. Defense
The FAB Defense GL-Core S CP adjustable cheekrest buttstock brings Israeli Counter-Terrorism design to your AR platform rifle. Built compact for CQB work but rigid enough for mid-range shooting, this collapsible stock pairs a slim, non-slip buttpad with an integrated cheek weld to anchor your cheek consistently behind the gun. The CP variant adds an adjustable cheek rest—a feature that lets you dial in proper sight picture and head position whether you're running a traditional optic, holographic sight, or iron sights. That flexibility matters when you're running multiple uppers or sharing a rifle in a squad.
Setup is straightforward. The GL-Core S comes with an interchangeable buffer tube adapter, so it'll mount directly on either Mil-Spec or Commercial buffer tubes—no guesswork, no special parts needed. Two integrated QD sling swivel sockets are built in, giving you quick-detach attachment points without adding clutter or extra hardware. The matte black synthetic construction is durable and weatherproof, so whether you're training, hunting, or working drills on the range, the stock resists rust and won't rattle loose.
If you shoot an AR setup that needs a compact, rigid stock with real cheek support—and especially if you want to tune that cheek weld to match your optic—the GL-Core S CP delivers proven design without the usual retail markup.
| Brand | FAB Defense |
| Model | GL-Core S CP |
| Platform Compatibility | AR platform (Mil-Spec and Commercial buffer tubes) |
| Features | Adjustable cheek rest, integrated cheek weld, collapsible rubber buttpad, dual QD sling swivels |
| Material | Matte black synthetic |
| Design Origin | Israeli Counter-Terrorism unit specification |
Yes. The GL-Core S CP comes with an interchangeable buffer tube adapter that works on both Mil-Spec and Commercial diameter tubes, so compatibility across most AR builds is standard.
The CP version's adjustable cheek rest lets you fine-tune your head position and cheek weld to match the height and reticle view of your specific optic—whether that's a traditional scope, holographic sight, or iron sights. This is especially useful if you run different uppers or sights on the same lower receiver.
The GL-Core S CP works well for both. The compact, collapsible design is effective for close-quarters scenarios, but the rigid construction and cheek support also provide the stability and control needed for mid-range engagements, making it a practical choice for hunters and sport shooters as well as tactical training.
The stock includes the GL-Core S CP buttstock with adjustable cheek rest, the interchangeable buffer tube adapter for Mil-Spec and Commercial tubes, and two integrated QD sling swivel sockets.