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  #1  
Old 02-02-2013, 11:28 AM
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winnre winnre is offline
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Default Rifle barrel length question

Okay basically the law says a rifle barrel needs to be 16" to be legal. But there are shorter barrels that you can get, like a 14" CAR-15 barrel or maybe even a 10.5", but as long as you have a pinned/welded flash suppressor or barrel extension you are legal, at least from the things I have seen for sale. Turner's has a nice UZI /22LR with fake suppressor, but you need the can to get the length required by law.

So... why a barrel extension/can/big flash suppressor? Except for the barrel extension which is uncommon, the other additions do not make any contact with the bullet, so technically the barrel is still shorter than law, but the law is fine with the barrel LOOKING the proper length. Is that how it works?

So why can I not add a 10" bayonet and have that count? Does it have to be round and metal? Just how does it work?
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Old 02-02-2013, 11:56 AM
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Simply put, a short barrel can be hidden easier and thus is evil. A short barrel with a permanent extension makes it the standard length and cant be hidden as easily thus is fine. A bayonet does not make the "barrel" longer as it does not extend the barrel length as an extension does, just the OAL if you count it despite being an accessory.

Im sure someone more knowledgeable will be along shortly to explain better.
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Old 02-02-2013, 12:16 PM
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Quiet Quiet is offline
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Default National Firearms Act of 1934

Permanently attached muzzle devices are considered a part of the barrel and are included in the barrel length.

The BATFE 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.



FYI.
The Umarex Uzi rifle, Umarex MP5 rifle and GSG GSG-5/522 rifle all have a 16" barrel.
The also have a fake suppressor, which slides over and conceals the thin .22LR barrel.
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Last edited by Quiet; 02-02-2013 at 12:18 PM..
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Old 02-03-2013, 7:54 AM
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Quote:
Originally Posted by Quiet View Post
Permanently attached muzzle devices are considered a part of the barrel and are included in the barrel length.

The BATFE 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.



FYI.
The Umarex Uzi rifle, Umarex MP5 rifle and GSG GSG-5/522 rifle all have a 16" barrel.
The also have a fake suppressor, which slides over and conceals the thin .22LR barrel.
Very good
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  #5  
Old 02-03-2013, 8:47 AM
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dg29 dg29 is offline
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Ok, here's another question. A rifle with a 16" barrel and a functioning folding stock. When stock is folded the rifle is required to be 30 inches or longer from the end of the receiver to the end on the barrel. If a extended muzzle device is required to accomplish is this said muzzle device required to be welded or pined and welded, or can it be removable since the barrel is 16 inches long?
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Old 02-03-2013, 8:51 AM
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CSACANNONEER CSACANNONEER is offline
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Quote:
Originally Posted by dg29 View Post
Ok, here's another question. A rifle with a 16" barrel and a functioning folding stock. When stock is folded the rifle is required to be 30 inches or longer from the end of the receiver to the end on the barrel. If a extended muzzle device is required to accomplish is this said muzzle device required to be welded or pined and welded, or can it be removable since the barrel is 16 inches long?
Different laws are at play here. As long as the barrel is +16", there is no requirement for permanency of etra attachments to make OAL for a folding stock configured gun.
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