Cole-TAC Backbone Bag Frame ARCA

The Backbone Bag Frame changes how a support bag attaches to a rifle. Instead of strapping a bag over the optic or the receiver, the frame mounts to the gun through an American Defense Picatinny mount or an Area 419 Arcalock clamp, and the bag rides on the frame.

Four hook and loop straps hold the bag in place, and the wide surface area of the frame keeps the bag from twisting or shifting under recoil. The bag stays where you put it as you move between positions, and the whole assembly comes off the rifle as one unit when you are done. It is a patented layout, and it solves the problem of a strapped on bag creeping into the scope or the bolt handle.