Recently mounted a new Omega 9k to a new 92X Centurion. I'm using the 1/2x28 piston as it did not come with any other way to mount it to the pistol. I am experiencing violent blowback everytime I shoot. As in, face-stinging, numerous other shooters describing the experience as painful, violent blowback. Variety of 124 and 147gr FMJ ammo fired.
Any idea what is going on? Any idea on how to fix it?
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