Polygonal vs. Button rifling

nvairborne308

Well-Known Member
Joined
Feb 5, 2010
Messages
91
I hope this is the correct thread for this. What are, in any, the benefits of polygonal rifling. I am building a .264 wm and have heard that polygonal deforms the bullets less and lasts longer. Or am I just an impressionable rookie? Thanks.
 

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