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Thread: 9mm can with .300 Blk+

  1. #11
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    I bought an adapter from a reputable place once, and it made my suppressor go consistently crooked. I am hesitant, to this day, to consider using one.

  2. #12
    Join Date
    Dec 2011
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    There's so much to learn about the performance of a suppressor that's it usually easiest to just call up a reputable dealer like the Silencer Shop, tell them what you want to do, and let them tell you which cans are a good match for you.

    Buying a can, then having someone other than a silencer company copy the baffles out of a material not used by the silencer manufacturer is not going to have the effect you'd hope it would, regardless of the legal question. Just stick with off-the-shelf, proven silencers made by reputable companies that are made to handle your intended purpose in the first place.

    FWIW, the vast majority of 9mm cans handle subsonic 300BLK quite well. They are overbore (357-ish vs 300-ish), plus, the pressure will be much lower by the time a 300 BLK bullet reaches the can at the end of your 10" barrel versus a 9mm bullet at the end of a 5" pistol. Baffle erosion will likely be less with subsonic 300 BLK on a 10" barrel than what the cans are actually designed for.

    A few, like the Liberty Mystic, already come made with materials tough enough to handle limited full power 556 and 300 BLK use, but you pay for that in weight over titanium cans like the Liberty Infiniti.
    aka, "TWANGnBANG"

  3. #13
    Join Date
    Jul 2009
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    Quote Originally Posted by KalashniKEV View Post
    Most quality 9mm cans are rated for 300 BLK subs.

    My SWR Trident is, but I'm waiting on my Saker 762 rather than mess with pulling the FH and direct threading.
    Damn, my bad. Sometimes I really need to learn where my lane is- I thought the PSI would kill it. Thanks for the correction...
    PRAISE THE FALLEN
    SSG Kevin Roberts KIA 7-May-08
    1Lt Nick Dewhirst KIA 20-July-08
    Cpl Charles Gaffney KIA 24-Dec-08
    Spc Peter Courcy KIA 10-Feb-09
    PFC Jason Watson KIA 10-Feb-09

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