Features & Benefits: Accepts any push-button Quick Detach sling swivel 8 position rotation limited to prevent sling wrap-up 95% lower profile than a separate Sling Mount and Picatinny Mil-Spec 1913 Rail Section, the ergonomic, flush mount design eliminates all sharp edges that can ensnarl the operator’s gear Designed to fit precisely through any vent hole in the Troy Industries TRX Extreme and Alpha Battle Rails with no modifications Can be mounted through a single ½” diameter hole in most polymer stocks, handguards, forends, and buttstocks measuring up to .230” in thickness, including M.O.E. Handguards by Magpul Industries. Once inserted through the hole in the handguard, forend, stock, or buttstock, the mount is retained by a “Spirolock” on the outside assisted by a pair of setscrews from the inside to prevent the mount from rotating. This patent pending design places all the slinging stresses in compression against the inside mounting surface instead of in tension on the thread of fasteners Weighing just .243 ounces, the ultra-lightweight design CNC machined from Billet 303 Stainless Steel eliminates all unnecessary material and fasteners. Finished in Black Oxide to prevent rust, wear, and corrosion