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2/14/2014 11:56:26 PM EDT
Hello everyone, I am very new to the AR platform but i'm learning more and more daily, I just had a question regarding putting a 300 Black out barrel on a stripped upper receiver.

what my question is, will a Yankee Hill freefloat barrel nut, handguard, and lo profile gas block fit correctly on a 300 barrel

as a side note thank you all for dealing with a noob!
2/15/2014 12:30:19 AM EDT
[#1]
it depends on if the Gas block is the same diameter of the barrel - I know on my HBAR the diameter was thicker then an M4 Barrel.
2/15/2014 12:33:33 AM EDT
[#2]
so the real question for me is trying to find out if the barrel diameter can accommodate the gas block?
2/15/2014 12:44:14 AM EDT
[#3]
so I did some digging of my own and found that the CMMG black out barrel is a direct replacement for the AR-15 and M4, and it does in fact have a carbine length gas slot meant to accommodate a normal gas block
2/15/2014 3:45:12 AM EDT
[#4]
You can also measure the barrel to see what the outside diameter is.  (Measure the area where you would set the gas black)  Do you have calipers/micrometer?
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