The FAB Defense Core-M rifle stock provides a slot for a 30-round magazine.

FAB Defense just announced the release of its newest AR-15 accessory, the GL-Core M stock. The FAB GL-Core M serves as a replacement for the GL-Mag stock, providing an extra magazine for officers serving in the line of duty.

FAB Defense GL-Core M Stock

The GL-Core M puts an additional spare 30-round AR-15/M4 mag within the buttstock. The easy access proves a game changer for anyone using a rifle duty, defense or sport. The GL-Core M comprises a tactical buttstock system. It utilizes a multi-textured rubber buttpad and an integrated AR-15-style magazine carrier.

The buttstock also includes ambidextrous rear QD sling swivel connectors molded in. It comes with an interchangeable buffer tube adapter to provide compatibility with both Mil-Spec and commercial buffer tubes. The FAB GL-Core M comes in Black, OD Green and FDE colors. The stock system retails for $122. For even more info, please visit

FAB Defense GL-CORE M Features

  • Tactical buttstock with integrated AR 5.56 magazine carrier
  • Optimized for a rapid magazine change
  • Multi textured rubber butt-pad for a secure shouldering during rapid fire
  • Interchangeable buffer tube adapters for a tight fit on Mil-Spec and Commercial buffer tubes
  • Provided with one Ultimag 10-round AR magazine
  • Includes ambidextrous quick detach rear sling swivel connectors
  • MRSP: $122

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