Precision fit for military specification buffer tubes (diameter = 1.15″/length = 7.25″). Perfect compatibility with Hogue OverMolded grips and forends. Light-weight skeletonized reinforced polymer construction. Anti-rattle and beard-safe design. Collapses to user’s preferred shoulder position. Polymer cap provides snag-free shouldering. Rubber/polymer hybrid butt pad cushions recoil. Multiple swivel sleeve and sling mounting positions