View Full Version : Barrel to receiver problem
cutt1100
9 January 2016, 13:12
I have a Wilson Combat barrel that measures 1.00 at the barrel extension. I have a Cross Machine Tool upper receiver that measures .990 at the barrel opening. Any suggestions. My first build. cutt1100 Thomson GA
alamo5000
9 January 2016, 13:34
Not sure where you are measuring from or which specific dimensions but putting up pictures might also help.
Fathom_Arms
9 January 2016, 13:55
So is the barrel extension sticking out inside the upper receiver? It should be flush. As stated, pictures would help.
BoilerUp
9 January 2016, 13:59
I presume you are talking about diameter dimensions. Use a heat gun to apply heat to the upper receiver. It will expand and let you slide the barrel right in.
UWone77
9 January 2016, 14:39
I presume you are talking about diameter dimensions. Use a heat gun to apply heat to the upper receiver. It will expand and let you slide the barrel right in.
This.
Or throw the barrel into the freezer. [:D]
Using a rubber mallet to help you tap it into the receiver is useful as well.
DutyUse
9 January 2016, 15:50
And don't forget to add a little grease to the barrel extension
cutt1100
12 January 2016, 08:31
Nothing wrong with Cross Machine Tool receiver. I measured it wrong (old eyes). With a little grease it slipped right in. Nicest looking upper and lower I have.
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