Exclusively from Monstrum - the Grimlock Series optic mounts offer a sleeker and more distinctive design than our previous generation mounts, contoured to the curvature of your receiver. All with the same functionality and reliability as our standard optic mounts.
The Mossberg red dot mount is a dedicated mount built specifically for Mossberg shotgun platforms. Compatible with the following models:
Mossberg 500
Mossberg 535
Mossberg 590
Mossberg 590 Shockwave
Mossberg 590a1
Mossberg 835
Mossberg 930
Not compatible with:
Pre-1997 Mossberg shotguns | Requires 6x48TPI screws not included
Mossbergs without pre-drilled and tapped receivers | Requires drilling and tapping receiver
Mossberg Maverick 88 | Requires drilling and tapping receiver
Mossbergs with Crimson Trace LS250 installed | Requires M4-.70 x 12 screws not included
Mossberg 930 | Requires modifications
Mossberg 500 Flex | Requires modifications
For direct mounting of your red dot onto your Mossberg receiver. Available in RMR, Venom/Docter, or RMSc footprint standards. Please view compatibility chart to verify the compatibility of your red dot before purchasing. Installs directly into the factory mounting holes on the Mossberg receiver using the included set screws. No additional hardware required. Rail is 4.5 inches or 11 picatinny rail slots in length
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