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Horizontal stringing....but from only one type of ammo?

dms416

Sergeant
Full Member
Minuteman
Jan 12, 2014
1,445
1,259
Central IL
So this is starting to get strange...

77gr IMI Razorcore. I've shot this stuff out of 4 or 5 different guns now. Always between 1.5-0.8 MOA. However, I'm getting nearly similar horizontal stringing ONLY when shooting this ammo. Doesn't matter if it's bipod/pack/tripod. Doesn't matter the gun. All the groups have a horizontal stringing element.

I'm aware that traditionally, horizontal stringing/groups is a sign of issues with fundamentals, but this is not the case when I run OTHER ammo.

Here's 2 weeks ago:
16pbdpt.png


Here's this past Sunday (different gun than above):
XzxWyqs.jpg