Ergo Grips 47566 Direct Thread Universal Rail Picatinny Polymer Black 5.62″
Easy Installation;Mount Tactical Accessories
Injection-molded, nylon-based, polymer platform installs easily on tube and conventional two-piece AR-15 handguards, plus rifle and shotgun forends to mount lights, lasers, and tactical gear. Six mounting holes and lots of slots make it adaptable to different situations. Comes complete with three mounting screws and flat nuts. Accepts picatinny and Weaver-style accessories.
Additional part numbers for 4756-6 Univ.Access.Mounting Platform: 874748001335 573-000-027WB