u/backwards_yoda

I finally got my fnx9 up to modern standards with an optics cut from nameless armament and a efk threaded barrel. My fnx 45 is my favorite pistol and im happy to now have a similar setup in 9mm.

I just picked up a stribog sp45a3 and the threads on the barrel are longer than on the mojave 45 piston. Im wondering if anybody here knows if I can safely mount the suppressor this way (I am using the fixed barrel spacer) or if I should buy a shim.