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View Full Version : Lapping Criterion Barrel?


JGW
04-07-2018, 07:53 PM
For those of you have had a new Criterion barrel installed on your M1, Mini g, M1A, etc., have you lapped the barrel, and if so, did you perceive any benefit?

JGW
timshufflin
04-07-2018, 08:00 PM
I can say that I have never done it.
canes7
04-08-2018, 08:31 AM
Bore lapping? Never...
Orlando
04-08-2018, 08:51 AM
Criterion barrels are lapped at factory
timshufflin
04-08-2018, 09:14 AM
I lap mine with ammo :)