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Pat- Is it a stainless barrel? I just checked my recently purchased BCM Standard CMV steel barrel and it measures dead nuts .7500
Last edited by AKDoug; 04-21-13 at 14:29.
Nope, standard finish, definitely nothing fancy. The smith checked the measurement more than once, and the first indication was how tight the gas block was.
Pat
Where violence is the local language, be fluent.
I recently installed that Rainier gas block on a Rainier stainless match barrel. It was a tight fit.
I have always used a brake cylinder hone when having to open up a gas block a thousandth or two.
Something similar to this at sears http://www.sears.com/shc/s/p_10153_1...31-125864255-2
Go slow and check often to avoid oversizing.
All,
Thanks for sharing all of the info!
Pat
Where violence is the local language, be fluent.
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