Tamers/Pistol grips use a short bolt that is included with the Tamer (no washer needed). - Also fits: - Model 590A1 - Maverick model 88 - Other Mossberg pump shotguns that are copies or variations of the 500. - 510 Mini - Does not fit: - 930 series or any other auto shotgun. - Break open guns - Flex system shotguns
Determined at checkout.