Obermeyer type 5-R rifling


Well-Known Member
Dec 18, 2009
What advantages, if any, are there to Obermeyer type 5-R rifling over conventional cut rifling?

I see Krieger is offering the Obermeyer 5-R rifling now. The premium over regular cut rifling is only $30, so I was thinking about trying it in the 6.5-284 barrel that I plan to have installed soon.

I'm just curious to know if/why the Obermeyer rifling is desireable.
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