Alpine Innovations Rifle Ammoslicker -AmmoSlicker is an innovative ammo holder built with special non-slip neoprene and a catch pocket to keep ammo secure. Adjusts To Fit Most Stock Sizes Keeps Ammo Secure No-Slip Neoprene Catch Pocket Weather Proof Patents Pending Large Caliber fits: .308 & .270 up to .338 and holds 7 rounds Small Caliber fits: .17 up to .223 and holds 10 rounds