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Breaker83
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Posted: 4/14/2012 6:52:12 AM EST
Hi all
I have an old beater single shot shotgun with a 30 inch barrel.

I am going to DuraCoat it. But before sandblasting all the rust off I want to shorten the barrel to 18 1/2 inches (I know the legal limit is 18 inches).

This is my question: Do I include the chamber when measuring? or Do I measure AFTER the chamber?

I don't want to guess. Please back-up your anwser with link.

Thank you in advance.
wildearp
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NRAMilitary
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Posted: 4/14/2012 6:57:55 AM EST
Close the bolt. INsert a rod down the barrel until it touches the bolt face. Mark or tape the rod at the end of the barrel. Measure rod.

Error on the plus side when you cut. Add 1/8 or 1/4"
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FB41
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Posted: 4/14/2012 7:15:14 AM EST
[Last Edit: 4/14/2012 7:16:47 AM EST by FB41]
Don't forget that overall length is as important as the barrel length.

Graphic depiction of both here
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kyleh
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Posted: 4/14/2012 7:22:48 AM EST
Originally Posted By FB41:
Don't forget that overall length is as important as the barrel length.

Graphic depiction of both here


Overall length won't matter with 18"+ barrel will it?
Casper507
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Posted: 4/14/2012 7:25:43 AM EST
Originally Posted By wildearp:
Close the bolt. INsert a rod down the barrel until it touches the bolt face. Mark or tape the rod at the end of the barrel. Measure rod.

Error on the plus side when you cut. Add 1/8 or 1/4"

The above covers the rules for most firearms. A revolver doesn't include the chamber as part of the barrel. If you had a floating chamber like the .22 Ace conversion for the 1911 I imagine you would have to measure the barrel with the insert removed just to be safe.
LINK

Since OP doesn't trust intelligence/knowledge of any subsequent post I provided the link.
Casper507
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Posted: 4/14/2012 8:10:18 AM EST
[Last Edit: 4/14/2012 8:13:36 AM EST by Casper507]
Originally Posted By kyleh:
Originally Posted By FB41:
Don't forget that overall length is as important as the barrel length.

Graphic depiction of both here


Overall length won't matter with 18"+ barrel will it?


HELL yes. State laws may even have tighter restrictions than Federal in some States.
I recall one state has a OAL folded requirement for which folding pistol caliber carbine had slightly longer barrel version.
Folding stock on 16" barrel 10/22 is close to limits. It may require 18" barrel.
MagnusM4
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Posted: 4/14/2012 8:25:22 AM EST
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kyleh
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Posted: 4/14/2012 8:54:30 AM EST
Originally Posted By Casper507:
Originally Posted By kyleh:
Originally Posted By FB41:
Don't forget that overall length is as important as the barrel length.

Graphic depiction of both here


Overall length won't matter with 18"+ barrel will it?


HELL yes. State laws may even have tighter restrictions than Federal in some States.
I recall one state has a OAL folded requirement for which folding pistol caliber carbine had slightly longer barrel version.
Folding stock on 16" barrel 10/22 is close to limits. It may require 18" barrel.


That is for rifle tho isn't it? A shot gun with pistol grip and 18" barrel would be very short.
dfariswheel
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Posted: 4/14/2012 10:04:30 AM EST
The 18 inch barrel AND 26 inch overall length are a hard Federal minimum for shotguns. Some states will have more restrictive limits.

At the trial for Randy Weaver, lawyer Gary Spence held up the shotgun Weaver had cut off.
The gun had an 18 inch barrel, but Weaver had cut the wood stock off too short and failed to meet the minimum 26 inch over all length.

Spence basically won the case when he held up the gun and told the jury that three people had been killed over 3/8's of an inch of cheap hardwood.
ziarifleman
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Posted: 4/14/2012 10:06:06 AM EST
Originally Posted By kyleh:
Originally Posted By FB41:
Don't forget that overall length is as important as the barrel length.

Graphic depiction of both here


Overall length won't matter with 18"+ barrel will it?


Randy Weaver's wife and son would beg to differ.
Not seeking the safety of women who are already taken might be a means of advancing your agenda.

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TUBBY
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Posted: 4/15/2012 4:55:09 AM EST
Originally Posted By wildearp:
Close the bolt. INsert a rod down the barrel until it touches the bolt face. Mark or tape the rod at the end of the barrel. Measure rod.

Error on the plus side when you cut. Add 1/8 or 1/4"[/quote]


Stated by a man who has done it.

+1. I always add 1/2" depending on how bad the cut went and what it takes to true it up.

bassist
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Posted: 4/15/2012 10:21:12 AM EST

Originally Posted By ziarifleman:
Originally Posted By kyleh:
Originally Posted By FB41:
Don't forget that overall length is as important as the barrel length.

Graphic depiction of both here


Overall length won't matter with 18"+ barrel will it?


Randy Weaver's wife and son would beg to differ.