Upgrade your AR15 or M4 today with the FAB Defense GL-Core S, a compact and durable combat stock engineered for close-quarters battle (CQB) and mid-range engagements. Originally built to meet the rigorous demands of elite Israeli Counter-Terrorism units, this AR15 / M4 buttstock delivers cutting-edge innovation and rugged performance.
Its design ensures unmatched reliability and effectiveness, no matter the tactical scenario. Whether you are a professional operator, law enforcement officer, or an enthusiast passionate about tactical precision, the GL-Core S helps you optimize your firearm’s performance.
Made from lightweight, fiberglass-reinforced polymer composite, the GL-Core S balances compactness with durability. Because it is both maneuverable and stable, it performs exceptionally well in tight spaces and complex environments.
Additionally, its versatile design supports room-clearing operations while remaining effective for longer-range engagements. With its perfect combination of size, strength, and adaptability, the GL-Core S stands out as a top choice for shooters who demand peak performance from their M4 or AR15 platforms.
Disclaimer: Cheek Raiser Model will not fit AR 15 rifles.
AR15 / M4 Buttstock – Features:
Small and compact allowing for easy maneuverability during CQB
Flat faced rubberized butt-pad designed for use with and without tactical body armor
Interchangeable buffer tube adapters for a tight fit on Mil-Spec and Commercial buffer tubes
Integrated cheek weld optimized for the M4 / AR15 platforms
No protruding parts, will not get caught on gear or webbing
Inversed positioning lever will not open accidentally
Two integrated quick detach rear sling swivel connectors
Made of durable and light-weight fiberglass reinforced polymer composite
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Shipping & Returns
Domestic Shipping – For orders shipping within the USA*
Shipping Option
Cost
Delivery Time
Free Shipping – Regular Registered Shipping –
*Please note there is no option of adding Insurance protection to this form of shipping
FREE For orders above 199$ 12.95$ For orders below 199$
8-16 Business Days
Priority Shipping
14.95$ for orders Above 199$
17.95$ For orders under 199$
4-12 Business days
Express Shipping (UPS)
Cost will depend on the destination of the package (calculated shipping cost can be seen at checkout)
3-6 Business days
* For qualified orders. If an item is not available in our US warehouse it will be shipped from Israel (in this case the delivery times may be slightly longer).
International Shipping – For orders shipping outside USA
Free Shipping – Regular Registered Shipping –
*Please note there is no option of adding Insurance protection to this form of shipping
FREE For orders above 199$
12.95$ For orders below 199$
14-35 Business days
Priority (Eco Post)
14.95$ for orders Above 199$
17.95$ For orders under 199$
8-18 Business days
Express Shipping
Cost will depend on the destination of the package (calculated shipping cost can be seen at checkout)
3-8 Business days
*International TDI shipments – Orders shipping outside of the US will be shipped via USPS / UPS for a fee of 25$ (shipping cost can be seen at checkout).
Returns & Exchanges
All return claims must be made not more than 7 days after the item has been received.
Returns must be sent back within 30 days after delivery.
Exchanges are subject to product availability and may be subject to additional shipping fees.
To be eligible for a return or exchange, the item must be in its original condition, unused, and with all original tags and packaging.
You may return your item within 30 days from the day it was delivered to you in order to receive a refund. Please notify us of your intent to return the item within 7 days of receiving it. The item must be in its original condition and packaging. Shipping costs are non-refundable. For full return details, click here to view our complete return policy.
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