The 2018-3 shift would be especially bad with a 2017 batch zero. That’s a shift of over 6” to 7:30 (not to mention the 5 MOA group size.) In my OP I mentioned being 2 feet off from an IPSC at 300y. A 6 minute shift at 300y is 18” which leads me to believe I had zeroed with the 2017 batch (it’s the only one with a “center” that is zeroed) and shot the 18” stuff and wondered wtf was going on.
The 2014 lots seem pretty consistent and no worse than what I would expect from this type of ammo.
Point being - if you were shooting the 2016-16 batch and then went to the 2018 batch you’d be rightfully confused.
I don’t know what variations there are between lots of LC or XM193 or Magtech but I doubt it’s that extreme. For now I will zero and use the 2014 lots for my long distance (101yd+) play time and the other stuff for closer range stuff.
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