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 Echo1 m4 inner barrel help

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airsoftthing
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PostSubject: Re: Echo1 m4 inner barrel help   Sun Mar 09, 2008 1:58 am

Still, it does make the BB more accurate
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Booligan
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PostSubject: Re: Echo1 m4 inner barrel help   Sun Mar 09, 2008 2:20 am

airsoftthing wrote:
Still, it does make the BB more accurate
It does, to a point. I still see better grouping with DB customs 6.01mm tightbore barrels at longer ranges, especially since you can shoot faster than 330 fps and still get the accuracy benefit.

What TK twist barrels are great for are pistols, especially NBB ones.
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Tex
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PostSubject: Re: Echo1 m4 inner barrel help   Sun Mar 09, 2008 12:55 pm

should i return the barrel cause my guns shootin up at 360fps...
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Booligan
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PostSubject: Re: Echo1 m4 inner barrel help   Sun Mar 09, 2008 7:27 pm

^Your barrel will be fine (Madbull V2), because it's not a TK twist barrel. It's only the TK twist barrels that shouldn't be used above 330ish FPS.
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Tex
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PostSubject: Re: Echo1 m4 inner barrel help   Tue Mar 11, 2008 11:23 pm

but the bore is bigger than the barrel that came with the gun...
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Booligan
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PostSubject: Re: Echo1 m4 inner barrel help   Tue Mar 11, 2008 11:35 pm

Tex wrote:
but the bore is bigger than the barrel that came with the gun...
No, it's not. Echo 1 comes with a 6.08mm inner barrel stock, while the Madbull is 6.03mm.

It may look similar, but I guarantee that you can't see a 0.05mm difference using the naked eye. You need tools to measure it. I've measured them with digital calipers, and have seen the difference that way.
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Tex
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PostSubject: Re: Echo1 m4 inner barrel help   Fri Mar 14, 2008 7:05 pm

ok thanks it just looked bigger when i put a bb in it...
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