Introducing the revolutionary new F.A.B. Defense, GL-Core IMPACT, a Shock absorbing buttstock. Featuring a 3-setting adjustable mechanism, the GL-Core IMPACT allows you to customize the level of recoil reduction to suit your needs & caliber, whether you're shooting long range, 5.56, or close quarters, buckshot, this buttstock has you covered. Made with durability and reliability in mind, the GL-Core IMPACT is sure to become an essential part of your shooting setup, just mount on any Mil-Spec or Commercial carbine tube and with its ability to absorb shock and reduce recoil, you'll experience improved accuracy and control on the range.