Winchester Mod70 .308 Stealth 2. 1:12 twist 26" Barrel

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Moderator: Ridgerunner665

Copper BB
Posts: 6
Joined: Wed Apr 08, 2015 9:40 am
PostPosted: Sun Apr 09, 2017 5:19 pm
For info tried 150gr Sierra Matchking HPBT's at 5thou back off the lands at 100 yards. Used vihtavouri N140 powder gives less than 0.5 m.o.a for 5 shot groups. 42.2grains averages 2575fps. 44.8grains averages 2750fps. Both excellent loads which I'd say would all go through same hole if gun was clamped and I was out of the loop. (Cases only necksized and not crimped). This weight gives my best groups yet.
PostPosted: Mon Apr 10, 2017 10:05 am
Thanks for sharing Ron...

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