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Joined: Nov 2019
Posts: 227
Campfire Member
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OP
Campfire Member
Joined: Nov 2019
Posts: 227 |
Does anyone know if adding a 4 1/2" barrel extension to a 12" AR pistol barrel will render the resulting 16 1/2" barrel legal when using a shoulder stock? The extension is just a screw-on hollow tube of the same OD as the barrel, but it's not rifled or grooved in any way. I can't seem to find a reference for something like this, and the ATF doesn't seem interested in returning my questions.
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Joined: May 2009
Posts: 4,605
Campfire Tracker
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Campfire Tracker
Joined: May 2009
Posts: 4,605 |
Has to be permanently attached to the barrel - typically pinned and welded.
The 11.5 carbine barrels with the 5.5 inch "muzzle device" have been this way for decades.
Last edited by AH64guy; 09/27/23.
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Joined: Nov 2008
Posts: 8,669
Campfire Outfitter
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Campfire Outfitter
Joined: Nov 2008
Posts: 8,669 |
Look up pin and welded to make length.
Swifty
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Joined: Nov 2006
Posts: 10,172
Campfire Outfitter
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Campfire Outfitter
Joined: Nov 2006
Posts: 10,172 |
No way I’d take the velocity loss and still wind up with a 16” barrel.
But yes pin and weld would make it legal.
You can do a form 1 e-file and make an SBR with it. Pay $200 tax stamp and wait about 45-60 days for approval if it’s legal in your state.
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Joined: May 2008
Posts: 25,528 Likes: 4
Campfire Ranger
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Campfire Ranger
Joined: May 2008
Posts: 25,528 Likes: 4 |
No way I’d take the velocity loss and still wind up with a 16” barrel.
But yes pin and weld would make it legal. ^^^THIS^^^
�Politicians are the lowest form of life on earth. Liberal Democrats are the lowest form of politician.� �General George S. Patton, Jr.
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~Molɔ̀ːn Labé Skýla~
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Joined: Aug 2023
Posts: 60 Likes: 1
Campfire Greenhorn
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Campfire Greenhorn
Joined: Aug 2023
Posts: 60 Likes: 1 |
It couldn't legally be removable so there wouldn't be a point to it.
Either SBR a lower or buy a 16" upper are your two options
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