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DesertBull

What powder for .308 win?

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IMR 4895 is a great powder BUT it is at the bottom of the list for temperature sensitivity. It has over 150 fps spread from 0 to 100 degrees. I tested this powder in my .308 and in just 30 degrees difference in temperature I had over 60 fps difference. I tried the H4895 and it had no change in speed in the 30 degrees difference.

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I'm going to start loading for 308 also, still looking for a good starter load though. Has anyone here tried sierra 150 grain game kings, on varget?

Never used the 150 game kings but use to run the 150 BT over varget. Had pretty good results but moved away from 150's all together because they don't have a high enough BC to reach the 1000 yard mark supersonic, nor are they forgiving in the wind. At least not at my altitude. That said, if you're a 400 yard shooter/hunter, it'll make little difference in average conditions. I was running 49 grains in a lapua case and it was a very hot load. 3 or so firings and the primer pockets were shot. I was getting 3100'sec in a 26" 12x barrel. Eventually I moved on to the 155 grain variety but now use 185-215s for minimal windage and maximum energy.

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I'm going to start loading for 308 also, still looking for a good starter load though. Has anyone here tried sierra 150 grain game kings, on varget?

i used the 150 grain gamekings on my load.

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