L Lamar Bearcat Joined Nov 10, 2006 Messages 3 City & State/Province Missouri Dec 12, 2016 #1 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
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
H hdxr750 Single-Sixer Joined Feb 21, 2011 Messages 498 City & State/Province Wheeling, WV Dec 12, 2016 #2 I'm going to say .310.
C Chuck 100 yd Hunter Joined Mar 20, 2010 Messages 3,251 City & State/Province Ridgefield WA Dec 12, 2016 #3 How would that work? .308 groove diameter , less .008" ( normal groove depth Of .004" times 2 ) = .300" bore diameter. Yes/no ?
How would that work? .308 groove diameter , less .008" ( normal groove depth Of .004" times 2 ) = .300" bore diameter. Yes/no ?
OP L Lamar Bearcat Joined Nov 10, 2006 Messages 3 City & State/Province Missouri Dec 13, 2016 #4 chuck, thank you. Sounds right, just did not know in Rugers. Jim