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AR15.COM
AR Sponsor
2/2/2009 1:38:25 PM EDT
Is there any issues with mixing a X brand Barrel with a Y brand Upper receiver with a Z brand bolt carrier assembly?
2/2/2009 1:54:00 PM EDT
[#1]

No. Just check the head spacing and if the receiver has M4 ramps make sure the barrel has them.
2/2/2009 1:56:14 PM EDT
[#2]
Thanks
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