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seems excessive bullet shift when shooting suppressed

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  • seems excessive bullet shift when shooting suppressed

    finally got may suppressor.......and got time to shoot it today......wondering what others are seeing for bullet shift suppressed vs not suppressed. My creedmoor looks to be 1mil down and .2 right.....does that seem normal.........I have a threaded mount Dakota silencer. I was pleased with the reduction in noise.

  • #2
    With my TBAC Ultra I've got about .5 MOA difference.

    I wonder how much the suppressor has to do with this vs the concentricity of the threads on the muzzle to the bore. If its even off a hair I'd think it would cause irregular flight of bullet?

    To correct this I've decided to shoot suppressed all the time. Why not?!?!

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    • #3
      The amount of shift isn't the issue. The issue is it's predictability. I have one worse than that but 100% predictable.
      oh and i agree shoot suppressed all the time and it becomes a non-issue
      Do the right thing, regardless of the cost.

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      • #4
        I'll check it out again tomorrow........weather is supposed to be good. LRI did the barrel, and the machine work is impeccable. I appreciate the feedback......I'll give it another try and hopefully it will be predictable. Thanks again.

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        • #5
          It depends alot on the barrel profile as well. Typically, heavier barrels
          are affected less.

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          • #6
            With POI shift, factories, #1 Barrel Profile, #2 Threading ( concentric) #3. mount your using.
            AS long as it is repeatable your good to go. Most of the time i have seen .1-.5 mil poi shift.
            HOWEVER i have a SF 762RC that is 1.5mil left and .8 down. 100% repeatable.

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            • #7
              Take it off then put it back on to see what happens. The weight of the can affects the barrel harmonics plus youll get a little more velocity due to the free bore boost. Zero it with the can and always shoot it with the can.

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              • #8
                I've been told by an engineer that design suppressors that point of impact shift also has to do with the type of baffles. Whether they are symmetrical or asymmetrical.

                Sent from my SM-N920V using Tapatalk

                Providing Gun Trusts and firearms law services to Texans

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                • #9
                  update on the can.....it is predictable.....dial 1mil up and .4 right.......shoots well.......and really appreciate the noise reduction. Magnetospeed records an increase of 30-50 fps increase

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                  • #10
                    Most cans will have a small poi shift from having the can off or on. A lot of the mounts now day are repeatable as well, in my experience at least.

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