gmx and the 300 wm

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brybenn

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I will admit I am not a fan of the Barnes tsx or ttsx for small calibers. This is from my personal experience. However I haven't played with the gmx. I was planning on trying them in my 25/06 but it's barrel is just about done. It still shoots decent with the 75 g vmax for some reason so it has become a dedicated coyote rifle for the rest of its barrel life.
So that leaves my 300 wm. I need a load for hunting. I hunt mainly black bear with 250 yards being a far shot. Realistically 50-75 yards so I thought about trying the gmx. Not sure whether I should go 150 gr or 165 gr.
The problem I face is I may start moose hunting in a different area and I'm told there are a lot of marshes and open cuts where longer shots are common
Does anyone have any real experience using these gmx bullets on game from a magnum 30 cal?
Or should I just go with 200 gr woodlieghs and be done?
 
I load 165gr. GMX for 300 wm and I really like them ... Excellent weight retention and nice wound channel.
They shoot very well from my older Remington 700 and my father's savage 111 .
Bullet performance has been great on everything from whitetail, moose,black bear. I'm no super long range shooter but they have worked well for us well in excess of 400 m.
 
I am curious on what you use for powder?

I too am interested in using the 165 GMX in my 300WM. How did you find them as to fouling and how far did you seat them off the lands?

Thanks
 
I use H4350 with a large rifle primer... some say I should use magnum primers but they shoot well now
..maybe I'll try some time. AS far as seating depth I can't tell you now I'm in my deer blind and can't recall exactly.Might sound silly to some but I just put a few together a couple years ago to try them and they shot well so I haven't experimented much more except with powder charges.
 
I am shooting the 165 GMX out of my 300WSM. They really shoot well, accuracy-wise.

On game, I cannot say, since I have not shot anything with them. They expand well in
water filled 4L milk jugs, though, even at 200 meters. Dave.
 
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