Choate Stocks and Forends all feature tough construction, made from a fiberglass reinforced polymer to withstand heavy use. Their Store Arm forend has two storage compartments, one is 1" x 1-1/2" x 5-1/2", the other is 1" x 1-1/2" x 3". It has a thumb screw that lets you remove the forend to get to the storage and allows for quick disassembly of the gun. Note:Will not work on 10 gauge.