Compatible with the following red dots: TRIJICON RMR - SRO / HOLOSUN HS407C-HS407CO X2-HS407C X2-HS507C-HS507COMP - HS508T
It is possible to apply Aimpoint Acro optics with adapter code ADACROATRT 
The use of the AD10OP finger rest is recommended.
Screws included.