groove depth

Lamar

Bearcat
Joined
Nov 10, 2006
Messages
3
City & State/Province
Missouri
I have a 77 in .300 Win mag dated 1985. What is the rifling depth (bore) in this model rifle? I'm assuming the groove depth is 0.308.

Thanks, Jim
 
How would that work? .308 groove diameter , less .008" ( normal groove depth
Of .004" times 2 ) = .300" bore diameter. Yes/no ?
 

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