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Posted: 4/29/2012 12:36:39 PM EDT
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Dumb question. How can I determine the difference between a mil-spec and commercial stock tube size on a M4 clone? I'm wanting to upgrade from the standard M4 stock but I'm not sure as to what size tube I have.
Thanks in advance! |
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Quoted:
Dumb question. How can I determine the difference between a mil-spec and commercial stock tube size on a M4 clone? I'm wanting to upgrade from the standard M4 stock but I'm not sure as to what size tube I have. Thanks in advance! Google??? 
I will for you…. 
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