A flat washer MUST be used with the factory stock bolt. A washer is included with the stock. The Hogue stock is designed to reuse the factory stock bolt with the addition of the flat washer. The stock bolt (not included) is a 5 ½”long 5/16” – 18 TPI with a flat washer, available at any quality hardware store, gun parts retailer, or from Mossberg directly. You must use this bolt when changing from a pistol grip or Tamer to a butt stock. Tamers/Pistol grips use a short bolt that is included with the Tamer (no washer needed). Action slide tube for forend is 6 ¾” long. Will not fit 7 ½” or 4 3/4” action slide tube.
Fits:- Model 590A1
- Maverick model 88
- Other Mossberg pump shotguns that are copies or variations of the 500.
Does not fit:- 12ga, 16ga, or .410 bore shotguns
- 510 Mini
- 930 series or any other auto shotgun.
- Break open guns
- Flex system shotguns
