FAB Defense GL-Core Impact Buttstock AR15 OD Green fx-cimpactg. Unlike other AR15 Stocks the FAB Defense GL-Core Impact AR-15 Buttstock has three settings that allow you to customize and tune the exact amount of recoil reduction you want based on your needs and the firearm's caliber. Whether you're practicing close-quarters engagements with a shotgun sighting in a new LPVO on your favorite bolt-action or casually shooting at the range with your favorite AR15 the FAB Defense GL-Core Impact AR-15 Buttstock gives you the competitive recoil advantage you need. Specifications for FAB Defense GL-Core Impact AR-15 Buttstock: Manufacturer: FAB Defense Gun Model: AR-15 Gun Type: Rifle Weight: 271 g Length: 180 mm Condition: New Hand: Ambidextrous Fabric/Material: Fiberglass Reinforced Polymer Features of FAB Defense GL-Core Impact Buttstock Patented Recoil reduction mechanism with three variable recoil settings Minimizes felt recoil by up to 50percent Improves accuracy Reduces shooter fatigue Works with multiple platforms and calibers Easy installation and adjustment Ergonomically shaped rubberized butt-pad Interchangeable buffer tube adaptors for Mil-Spec and Commercial tubes Inverted positioning lever will not open accidentally Package Contents: FAB Defense GL-Core Impact Buttstock What firearm models does the manufacturer say FAB Defense GL-Core Impact AR-15 Buttstock is compatible with? The manufacturer says that FAB Defense GL-Core Impact AR-15 Buttstock is compatible with AR-15FAB Defense fx-cimpactg: GL-Core Impact Buttstock AR15 ODG