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Archived [ARCHIVED THREAD] - Replacing a 16" barrel with a 12"
Posted: 9/23/2020 9:37:11 PM EDT
Howdy, I have an atlantic parts kit pm md63 and I want to sbr it. With the proper stamp of course. Is it possible to use an amd65 barrel? Or will there be some kind of incompatibility? I also plan on using an ultimak m7-b gas tube.

Link Posted: 9/23/2020 11:56:08 PM EDT
[#1]
Quoted:
Howdy, I have an atlantic parts kit pm md63 and I want to sbr it. With the proper stamp of course. Is it possible to use an amd65 barrel? Or will there be some kind of incompatibility? I also plan on using an ultimak m7-b gas tube.
View Quote

You'll need to replace the piston with an amd65 length one to match the shorter gas tube, other than that it shouldn't be an issue.

Link Posted: 9/24/2020 1:43:53 AM EDT
[#2]
Thanks for the info bud

Link Posted: 9/30/2020 6:50:32 PM EDT
[#3]
Honestly for what your looking at you might as well just buy a kit and roll it on an 80%.  
Archived [ARCHIVED THREAD] - Replacing a 16" barrel with a 12"
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