FAB Defense GL CORE M M4 Survival Buttstock with Built-in Mag Carrier Black
$76.80
The FAB Defense CORE M M4 Survival Buttstock features a built-in concealed mag carrier for quick reloads, providing improved stability and reliability for your rifle.
6 in stock
The CORE M has a built-in concealed AR15/M16/M4 Magazine Carrier that will accommodate all standard 5.56×45 (.223 Rem) AR15/M16/M4 and FAB Defense Ultimag Magazines. Whether it’s your accuracy or numerous target engagements you can depend on your last ten chances with the FAB Defense "Survival" AR15 Butt-stock w/Built-in 10r Magazine Carrier.. The CORE M AR15 Stock has a unique Anti-Rattle mechanism that holds the stock firmly in place on your AR15 tube eliminating any unnecessary rattle furthermore the butt-stocks butt-pad in made out of a high-quality rubber to prevent it from slipping while shooting and enhancing the grip on the shooter's shoulder. The stock will fit both MIL-SPEC and Commercial tubes.
Advantages:
- Sleek design with no protruding parts will not get caught on gear or webbing
- Keeps all of the characteristics of the M4 buttstock while incorporating a State of the Art magazine carrier
- Positioned close by for convenient mag change providing you with the edge you need
- Incorporates a quick release button for swift clip change
- Does not interfere or change ’ buttstock to shoulder’ positioning
- Integrated ambidextrous quick detach rear sling swivel connectors
- Fits on both Mil-Spec and commercial tubes
- Made with fiberglass reinforced polymer composite
| Weight | 1.031 lbs |
|---|---|
| Dimensions | 9.250 × 6.250 × 2.750 in |
| Manufacturer | FAB DEFENSE INC. |
| Finish | Black |
| Material | Rubber |
| Compatible With | AR15/M16/M4 |
PROCESSING & SHIPPING
Orders typically ship within 1–3 business days (Monday–Friday) after payment and all required documentation are received. Time to arrival after shipment depends on the carrier. Shipping method is at BT Gun Company’s discretion; ammunition and oversized accessories are charged at actual shipping cost. We do not ship to Hawaii or Alaska.
FIREARM TRANSFERS
- Firearms must ship to a licensed FFL dealer of your choosing — confirm with them first that they can accept the transfer.
- Your receiving FFL will need to email their license to [email protected] before we can ship.
- Inspect your firearm at your FFL’s location before signing ATF Form 4473 — once signed, the firearm is considered accepted.
You’re responsible for knowing the firearms laws in your state before ordering. For complete shipping, returns, and restocking-fee policy details, see our Shipping & Returns page.

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