FAB Defense Collapsible Buttstock Tube for AK-47 w/ Shock Absorber Polymer Black. FAB Defense constructed these AR15 Stocks from fiberglass-reinforced polymer composite for a rugged lightweight build you can trust. This FAB Defense Recoil Reducing Stamped AK Buffer-Tube adjusts to 8 positions for the perfect fit with your weapon. Enhance your accuracy without the assistance of a gunsmith by installing the FAB Defense Collapsible Buttstock Tube for AK-47. Specifications for FAB Defense Collapsible Buttstock Tube for AK-47: Manufacturer: FAB Defense Stock/Brace Material: Polymer Gun Type: Rifle Fabric/Material: Polymer Features of FAB Defense Collapsible Buttstock Tube for AK 47: 8 positions tube for optimal fit of the stock length to your battle stanch Bolt on design for tight and easy fit on stamped receiver AK Constructed from durable & light weight fiberglass reinforced polymer composite No gunsmith required Package Contents: FAB Defense Collapsible Buttstock Tube for AK-47 What firearm models does the manufacturer say FAB Defense Collapsible Buttstock Tube for AK-47 is compatible with? The manufacturer suggests that FAB Defense Collapsible Buttstock Tube for AK-47 is compatible with AK-47 AK-74 CZ Sa vz. 58FAB Defense SBT-K47: Collapsible Buttstock Tube for AK-47 w/ Shock Absorber Polymer Black-B