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Bear Creek Arsenal complete upper M4 profile 16 incher, 18 shots fired

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Bear Creek Arsenal complete upper M4 profile 16 incher, 18 shots fired
bj139 Offline
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#22
06-12-2017, 12:51 PM
I bought the BCA Barrel and side charging receiver from BCA and the barrel had a tight fit in the receiver.
I just assembled with teflon grease.

What do the barrel extensions on the Faxon group buy barrels measure?
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Bear Creek Arsenal complete upper M4 profile 16 incher, 18 shots fired - by bj139 - 06-12-2017, 12:51 PM

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