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  #1  
Old 03-12-2018, 2:32 PM
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packnrat packnrat is offline
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Question barrel length- how to measure.

ok so my search fool is not so good.

got it that must be longer than 18 inches. bolt face to end of tube.
26 total gun length, ( shortest working length in ca).

but my question is:
if the shotgun tube is really shorter than 18 inches. but has a welded muzzle device. is the fixed length of said device counted in the 18 inches? even if the id of the muzzel device is greater than the barral id?
total length would be over 18 in.

and then regs for legal muzzel devices.
no mufflers, etc. thinking something more for "evil looks".

no not looking to get around any law.
just wanting to stay in compliance with the law.

so is my line of thought correct?
barral length + welded on muzzel device = legal length +. good to go.
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Old 03-13-2018, 3:35 AM
shafferds shafferds is offline
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I would add a quarter inch to whatever length you have. Close bolt, put dowel rod down. Barrel, mark than measure.
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Old 03-13-2018, 5:59 AM
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Quiet Quiet is offline
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Per BATFE NFA branch...

The ATF procedure for measuring barrel length is to measure from the closed bolt (or breech-face) to the furthermost end of the barrel or permanently attached muzzle device.

Permanent methods of attachment include full-fusion gas or electric steel-seam welding, high-temperature (1100F) silver soldering, or blind pinning with the pin head welded over.

Barrels are measured by inserting a dowel rod into the barrel until the rod stops against the bolt or breech-face. The rod is then marked at the furthermost end of the barrel or permanently attached muzzle device, withdrawn from the barrel, and measured.


Per CA DOJ BOF...

Without consideration of any extensions or protrusions rearward of the closed bolt or breech-face the approved procedure for measuring barrel length is to measure from the closed bolt (or breech-face) to the furthermost end of the barrel or permanently attached muzzle device.

Permanent methods of attachment include full-fusion gas or electric steel-seam welding, high-temperature (1100F) silver soldering, or blind pinning with the pin head welded over.

Barrels are measured by inserting a dowel rod into the barrel until the rod stops against the closed bolt or breech-face. The rod is then marked at the furthermost end of the barrel or permanently attached muzzle device, withdrawn from the barrel, and measured.
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Old 03-13-2018, 6:41 AM
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A welded device on the muzzle end becomes part of the barrel.


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Old 03-13-2018, 12:52 PM
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Made me think of a good one.

When my youngest Son was about 12. He came home one day from helping his grandparents clean out a shed, (not Theirs), with a Zippo lighter, a knife, and a sawed off Shotgun. Stock was shortened also to a pistol grip only. Barrel was like 12 inches. It was a proud day as a Father indeed, still brings tears to my eyes to this day..

I told him well Son that can get you 20 in Leavenworth. He did not really grasp those implications I so abruptly informed him of. It is long gone, but at time we welded a extension on the barrel to meet the 18 inch minimum requirement.

Grandparents gave it to him as they thought it was a toy. It was painted all aluminum color with a spray bomb. They were not Firearms people at all.
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