The Trijicon TrijiDot Fiber Optic Shotgun Bead Sight for the Mossberg 935 should also be compatible with your Mossberg 930.
If you have a Mossberg 590 with a vent rib then the Trijicon TrijiDot Fiber Optic Shotgun Bead Sight should work. I recommend determining the width of your vent rib to select the correct model Trijicon TrijiDot Fiber Optic Shotgun Bead Sight. However, the Trijicon TrijiDot Fiber Optic Shotgun Bead Sight model for the Mossberg 500 should fit.
The Vent Rib on the A400 Xtreme Plus is 7mm or 0.276". Both MPN:600585 (Red), and MPN:600584 (Green) are compatible with vent ribs that are between 0.210" and 0.280" and will fit your Beretta.
The Trijicon TrijiDot Fiber Optic Shotgun Bead Sight for a Winchester SXP would be MPN:600585 (Red), or MPN:600584 (Green).
It should fit.
It will depend on the width of your vent rib.
It will depend on the width of your vent rib.
The SH01 Models fit shotguns with .210 - .280 Wide Ribs
The SH02 Models fit shotguns with 265-.335 Wide Ribs
The SH03 Models fit shotguns with .325 -.395 Wide Ribs