Whether you need this adapter plate for duty use, sporting clay shooting, or 3-gun competitions, maximize your shotgun effectiveness with the accuracy and speed of red dot sight optics. Get your Strike Shotgun Optic Mount today! Torque Spec: 15 in/lb Optics Compatibility: RMR, C-More, Doctor/Noblex, Romeo 1/1 Pro/2, Shield RMS. Shotgun Compatibility: Benelli: M2 Tactical, M3, M4 (not compatible w/ M4 Multirail), Vinci Tactical, Super Vinci, Super Black Eagle II and III Stoeger: M3000 Series Franchi: Affinity 3.5 Compatible with more brands/models but may require alternate screws and or screw modification.