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DPT Black Watch


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  • 1 Post By NZ_noddy
  • 2 Post By Mauser308

Thread: Overbarrel Suppressor Rear Bush fit

  1. #1
    Member
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    Dec 2012
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    Christchurch,NZ
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    Overbarrel Suppressor Rear Bush fit

    So a few questions for the experts (and any others!)
    How tight a fit should the rear bush be? Is it just a locator to help keep the suppressor
    centred and keep undue sideways pressure off the main thread? Would a tight rear bush
    (keep it clean please!) have an effect on barrel whip and therefore accuracy?

    Thanks.
    Hunt4life likes this.

  2. #2
    Village Idjit Barefoot's Avatar
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    Have a quick flick through last weeks threads I'm sure this was literally dealt with then
    The Biggest Room is the Room for Improvement

  3. #3
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    i cant get mine over the thread seat on my ar barrel so just left it off for now not sure if that's a bad thing, was still impressed with the suppression, mines a dpt. sorry didn't answer your question but i'm interested also

  4. #4
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    was it this thread?
    http://www.nzhuntingandshooting.co.n...estions-15526/

    Does tend to tell me that using a chainsaw file's marginal but doesn't answer my questions :-)
    turner nz - mine are DPT as well.

  5. #5
    Village Idjit Barefoot's Avatar
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    That's the one I was thinking of . . .

    I would think that you could happily fire an overbarrel without the bushing.
    when I have drilled ones out I go for a diameter a smidgen larger than the barrel so it is a touch fit with it's job being to locate the suppressor.
    I tight fit could affect the harmonics of a barrel.

    Hopefully DPT will appear and give his thoughts.
    The Biggest Room is the Room for Improvement

  6. #6
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    Also, if the barrel bore and muzzle thread are nice and straight - but the bore isn't central to the barrel O.D. (eg the hole down the middle is straight but off to one side by f-all) a tight bush can be trying to bend the barrel and stressing everything.

    Clearance is good here, you only want the bush there to support the works if you give the can a crack that would otherwise bend or break the works. A few thou of wiggle room is all good...
    veitnamcam and Hunt4life like this.

 

 

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