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Polak

Looking to build 9mm AR but need a 5.5" Fake Suppressor to pin.

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http://palmettostatearmory.com/psa-9mm-10-5-carbine-1-10-9-keymod-lieghtweight-upper-with-bcg-and-ch.html

 

I'm looking to buy this 10.5" 9mm upper but can't seem to find a fake can or barrel extension with 1/2-36 threading.

 

7781304.jpg

 

9mm AR that takes Glock mags...yes please.

moe.jpg

 

Someone please help!

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Why not just build an upper with a 14.5" + brake or 16 inch barrel? There are plenty of reliable and affordable options out there. And you get the benefit of superior ballistics to a shorter barrel.

 

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Here is my .40 Glock hey ar here is my .40 Glock AR. It has a 14.5 inch barrell from quarter circle 10 or, a quarter circle 10 bolt, and a pinned one and a half inch break, installed on a VLTOR upper receiver, and a 13" ALG EMR V2.

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A 10.5 inch barrel and 5.5 inch extension won't get you to the 16 inch minimum barrel length

Isn't it as long as it's pinned and welded, it's considered total barrel length? I'll let the experts explain better than me but this is how I understood the law.

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Isn't it as long as it's pinned and welded, it's considered total barrel length? I'll let the experts explain better than me but this is how I understood the law.

I think he is referring to the length of overlap on the threads. If a 5.5" add on threads .5" on the barrel you are now 15.5" on a 10.5" barrel.

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