Anyone with AR-30 .300 Win Mag experience?

Great-White Hunter

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Minuteman
Aug 26, 2010
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VA/NC
www.ghilliesextreme.com
Anyone with experience shooting the AR-30 .300 WM...

I just picked up an AR-30 chambered in the .300 Win Mag and am wondering what ammo was fired (type and gr)?

I have been reading about people liking the Amax, Black Hills 190, and the Federal Sierra MatchKing.

I realize it is what my rifle shoots best, but I am trying to hone-in on the best rounds instead of spending a bunch of money on rounds that aren't going to work.

Any advice?