ALLEN NEOPRENE ELASTIC BUTTSTOCK SHELL HOLDER MOSSY OAK BREAK UP COUNTRY FOR SHOTGUNS This Buttstock Shotgun Shell Holder is made from Mossy Oak Break-Up Country camo 3mm stretch Neoprene and Nylon, this shell holder holds 4 shotgun shells, adjusts to fit most guns with its hook and loop closures. It provides a slip-proof grip surface that also protects the gun's surface and includes special slots for sling swivel studs.