The Adaptive Tactical EX Performance Forend And M4-Style Stock should work for a Mossberg 590M.
The manufacturer does not state if the bottom of the grip is removable. Please email us at techsales@opticsplanet.com regarding your question.
The Mavrick 88 comes in both a 12 and 20 gauge option.
Yes, this comes with everything needed for installation.
I could not find any information regarding that particular model Mossberg 500. Please email us at techsales@opticsplanet.com so we can get more information.
The Adaptive Tactical EX Performance Forend And M4-Style Stock for Mossberg Shotguns will most likely not fit an Emperor Arms Duke Shotgun.
Thank you for your question. The EX Stock and Forend are compatible with the Mossberg 535. With the included spacer, the EX Forend is compatible with both lengths of the Mossberg action slide tube.
The Adaptive Tactical EX Performance Forend And M4-Style Stock will not fit an SDS Tactical Pump Shotgun. The Adaptive Tactical EX Performance Forend And M4-Style Stock will only fit the 12 gauge Mossberg Shotguns listed.
Thank you for your question. The dimensions/ergonomics of the EX Stock pistol grip are comfortable for a variety of different hand sizes. The palm swells of the stock make for a comfortable sized grip even for those with large hands.
No it will not be compatible.