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rebs · June 10, 2013, 07:34 PM

I have a brand new Colt AR 15 match target competition with a 20" 1in9 twist barrel, what is the right procedure to break in the barrel ?

June 10, 2013, 07:34 PM	#1
rebs Senior Member Join Date: January 10, 2012 Posts: 3,881	barrel break in ? I have a brand new Colt AR 15 match target competition with a 20" 1in9 twist barrel, what is the right procedure to break in the barrel ?