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Discussion in 'Reloading' started by 25 Otter, Jan 10, 2013.
Anyone loading the Superformance powder in the 300 WSM?
Reading this post, I have a 7 wsm and wonder if this powder will shoot in it.
I got some for my 25 wssm a little over a year ago and got around to using it last summer. It'll do 3300 fps with a 100 gr. and hold decent accuracy at 1moa. h4895 is better accuracy (1/2 moa) but only 3150 fps or so. Don't have a 300 wsm though so I haven't gone there.
Thanks Lefty, I'm going to get some and see how it works.
Just tried 70 and 72 grains below AB165's today. Performance was approx 3200 and 3300 fps respectively. OAL was 2.860", mag primers, 26" barrel, Remington B&C rifle.
Rifle is bedded, 3.5 lb trigger, muzzle break - first day shooting the rifle. Tried a variety of powders and the Super seems super! Sub-MOA at 100 yds with both loads but the 72 grain load was tighter with two touching, other 3/4'' out on the horizontal.
Am doing the same load after a good cleaning with 168 e-tips also.