The FAB Defense GL-Core is a compact buttstock engineered for AR-15/M4 platforms, designed to accept both Mil-Spec and commercial buffer tubes. It features an integrated cheek weld and an ergonomically shaped rubberized butt-pad to aid repeatable shouldering and comfortable use. Constructed from a fiberglass reinforced polymer composite, the GL-Core emphasizes low weight and durability for routine field use.
Key Specifications
- The stock weighs 14.03 oz for a lightweight profile.
- Constructed from fiberglass reinforced polymer composite for strength and reduced weight.
- The finish is black for a low-visibility appearance.
- Designed to fit AR-15 / M4 platforms and AR-style rifle buffer tubes.
- Includes interchangeable buffer tube adapters to support both Mil-Spec and Commercial tubes.
- Features an integrated cheek weld for consistent sight alignment.
- Equipped with an ergonomically shaped rubberized butt-pad for improved shoulder contact.
- Provides two integrated QD sling swivel connectors for rear sling attachment options.
- Overall dimensions measure 2.85 x 6.90 x 9.55 inches for a compact footprint.
- The product does not include a buffer tube; tube included: No.
The GL-Core combines a slim profile, durable construction, and practical features such as interchangeable adapters and QD sling connectors to serve as a reliable stock option for AR-15/M4 shooters seeking a functional, low-weight solution for general-purpose use.
This description was generated with AI and may contain errors. Verify specifications and legal restrictions with the manufacturer before purchase. Provided “as-is” without warranties or guarantees.




