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  1. #1
    STC
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    In case of shifting poi check your suppressor if you have one. carbon build up will add mass... which will alter harmonics...

    same as a tuner essentially

  2. #2
    By Popular Demand gimp's Avatar
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    Quote Originally Posted by STC View Post
    In case of shifting poi check your suppressor if you have one. carbon build up will add mass... which will alter harmonics...

    same as a tuner essentially
    How much carbon weight have you see produce this? How much POI shift ?
    Tangobravo and Shamus_ like this.

  3. #3
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    Quote Originally Posted by gimp View Post
    How much carbon weight have you see produce this? How much POI shift ?
    I’d like to see some figures too. Of the various suppressors I’ve had over the years can’t say I’ve noticed any significant hunting accuracy shift with suppressor carbon build up. Couple of CJA AR15’s the suppressors hardly ever came off rifle, Gunworks can’t clean anyway. By the time the suppressor was getting carboned up (4000+ rounds ) the rifle was getting worn out anyway, still shot good enough for pest control work. As an aside, I still don’t clean suppressors, they run quieter with a bit of carbon buildup and I can’t be arsed with cleaning all the time. Each to their own though.

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    Quote Originally Posted by woods223 View Post
    I’d like to see some figures too. Of the various suppressors I’ve had over the years can’t say I’ve noticed any significant hunting accuracy shift with suppressor carbon build up. Couple of CJA AR15’s the suppressors hardly ever came off rifle, Gunworks can’t clean anyway. By the time the suppressor was getting carboned up (4000+ rounds ) the rifle was getting worn out anyway, still shot good enough for pest control work. As an aside, I still don’t clean suppressors, they run quieter with a bit of carbon buildup and I can’t be arsed with cleaning all the time. Each to their own though.
    Actual real world experience

  5. #5
    STC
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    Quote Originally Posted by gimp View Post
    How much carbon weight have you see produce this? How much POI shift ?
    on my rifles? none... because I clean them. on other peoples suppressors that I serviced (because i got the clamps to separate stuck baffles) a surprising amount. layers that could be measured in mm...

    Without knowing the exact density of the built up carbon the added weight would be multiple grams.

    given that barrel tuners (which essentially shift a small amount of mass fractions of a mm) have a measurable effect on harmonics (poi, group size) this might simply be one of the contributing factors to shifting pois or peoples hunting rifle "suddenly" stopping to shoot well...

    Now add to that that many suppressors (hardy) can't be opened to clean them...
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  6. #6
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    Quote Originally Posted by STC View Post
    In case of shifting poi check your suppressor if you have one. carbon build up will add mass... which will alter harmonics...

    same as a tuner essentially
    I ran 1 DPT [ 223] can wet recently. It means the wd40 peels off the carbon. But found it was louder and defeated any purpose so going back to dry. No real drama with cleaning because we run a regular strip and clean. 2C. Oh yes it had a powder discharge each round which was somewhat disconcerting probably because running wet.

 

 

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