BTDT
Unless you Just Have To Have It, no matter what! I would look for another platform.
I along with several others have threaded 9mm. Campers and not been happy with the results. I tried a 9mm. pistol can, and a huge 9mm sub gun can. All my testing was with 147 gr. sub son ammo.
There is way too much nioise coming from the action. I mean its Loud. Slowing the bolt down is really the only, complicated way to reduce the action port noise.
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