FAB Defense GL Core CP Buttstock AR15 M4 OD Green Adjustable Cheek Rest

The FAB Defense GL-CORE CP, a GL-CORE ergonomic buttstock designed for AR-15/M4 platforms, combines an integrated cheek weld with an adjustable cheek-rest and interchangeable tube adapters to deliver a precise, secure fit on both Mil-Spec and Commercial buffer tubes, all crafted from durable, lightweight fiberglass reinforced polymer. The CP version adds an extra Cheek Rest to accommodate different optics and holographic sights on AK and VZ platforms, ensuring rapid, consistent cheek placement and improved sight alignment in fast-action situations. Its ergonomically shaped rubberized butt-pad promotes quick shouldering and smooth maneuvering, while the sleek, compact profile minimizes snag potential on gear or webbing. The stock features an inversed positioning lever to reduce accidental openings and includes two integrated quick detach rear sling swivel connectors for versatile mounting options. With interchangeable tube adapters, a tight, repeatable fit and a clean, low-profile silhouette are maintained across a variety of builds, delivering reliable performance in dynamic environments and ensuring comfortable, repeatable sight picture when transitioning between targets.