Originally Posted by
call_me_ski
I heard that these were in the works. I was excited and might have bought one for shits and giggles for my MK23. I expected it to be similar to their USP rail adapters. Instead they created this massively over-sized and unneeded(yes I realize that those adjectives can deservedly by applied to the MK23 itself) rail adapter. Google "surefire mk23 rail adapter" and you will get exactly what this should have been. It is a shame that Surefire never got that adapter out of prototype stage.