The Aerograde Sporter stock is built from the most advanced materials; the Aerograde sporter stock is the ultimate refinement of their passion for carbon fiber. The stock is made from 100% hand-laid Aerograde carbon fiber. The stock must be bedded at least at the recoil lug and also may need additional fitting for your action and safety. For long action, Rem 700 Footprint actions only. The stock has a heavy/varmint profile barrel channel and sling studs. Mfg: Christensen Arms