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can I weld this one to a 10.5" barrel to make it 16" barrel which is the legal barrel length? — 5 Answers

by udy818, from CA, United States Asked on December 12, 2017

Name Guntec USA AR-15 5.5in Fake Suppressor (4.4)
As Low As $49.99 Save Up to 23%
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Answered by Mark H., Gear Expert, from IL, United States, on January 02, 2018

Not knowing the exact composition of the metal, I'm going to punt this one to the manufacturer.

You can reach Guntec USA at 480-478-4517, or by e-mail at
info@guntecusa.com

Mark H.

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Answered by TheAnalyst, member, from AZ, United States, on July 02, 2021

No, this is a slipover shroud application that covers 3.5 inch of barrel. Read the description.

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Answered by Johnny, member, from AR, United States, on April 11, 2021

No this can not be used for the stated purpose! A 10.5" AR-15 barrel includes the threaded portion that will be inside the 5.5" fake suppressor. Giving you a total barrel length of 15.5" if permanently attached per B.A.T.F.E. specs. So even if you assume 1/8" for the compressed crush washer you are looking at a project that will eventually land you in a federal correctional facility.

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Answered by Bob.B, member, from CO, United States, on June 15, 2019

All that is required is pined and welded. Not welded to the barrel. Drill an 1/8” hole in the muzzle device just dimple the barrel round off an 1/8” aluminum rod stock cut it to fit. And get someone that is GOOD at welding aluminum. All they have to do is weld the rod to the device DONE.

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Answered by Geoffrion911, member, from AL, United States, on February 28, 2018

Yes. I am doing the same thing for a client on an M5E1 12.5" barrel. Drill, Pin, and Weld. It is aluminum so make sure you know what you are doing welding it to steel.

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Last updated 2025-11-12 UTC.