DefenderTac
New Member
If you have a legacy 500/Mav 88/590 Mossberg, you can use our new Universal Cartridge Adapter to give it 590S capability!
Universal Cartridge Adapter/Mag Follower Kit for Mossberg Pump Shotgun
This kit contains our Patent Pending Universal Cartridge Adapter and low-drag no-snag Magazine Follower which allows smooth cycling of 1 3/4" Minishells up to 3" Magnum 12-Gauge cartridges simultaneously. This kit is compatible with any Mossberg pump-action firearm with machined grooves in the...
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