Yeti

Lot # Factory Ammo Accuracy?

longtail55

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Jun 6, 2019
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87
Has anybody ever noticed large differences with accuracy with different lot #’s on factory ammo? Hoping for some actual experiences
 

Laelkhunter

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Dec 6, 2014
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New Orleans, La.
Our PD Sniper rifles were 1/4 moa, and we confirmed our zero (and recorded) the new lot number in our log books. Never really noticed any change in accuracy or p.o.i. We used Federal Gold Medal Match 168 .308 Win. I doubt that if speaking of off the shelf hunting rifles with hunting grade ammo you would see much difference when changing lot numbers.
 

shannerdrake

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Feb 14, 2017
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388
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Indiana
I've shot the same ammo over the course of 6 years with three different batches. They all impact in the same spot and the accuracy differences are within my personal margin of error.

I've only ever shot out to 400 with the different loads. Perhaps at extreme distances there would be differences of note, but not in my scenarios.
 

RaiderRich

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Apr 7, 2020
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Nevada
I have never had much if any variation, but I had heard Barnes ammo before Remington's bankruptcy could vary widely between lots. Unsure if that is the case now.
 

BrokenChicken

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May 20, 2020
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Denver, CO
in 3 years i've been shooting my .270 i found that Hornady ELD-X groups best for me.
1st year i ended buying few boxes here and there, and with access to chronometer i did chrono them.
while i do see FPS changes between logs are greater vs spread you get in same lot, so i only adjust my ballistics app to new FPS and make sure it is Zero'd. actual groups seem to stay the same.
 

BlazerBeam

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Sep 2, 2020
Messages
163
Location
Montana
Has anybody ever noticed large differences with accuracy with different lot #’s on factory ammo? Hoping for some actual experiences
yes. especially a likelihood in recent years with component shortages. ammo manufacturers have sometimes changed powders or primers for a given line of ammo, which can change the way it may shoot in your rifle.
 

Don Fischer

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Jun 27, 2017
Messages
2,061
Our PD Sniper rifles were 1/4 moa, and we confirmed our zero (and recorded) the new lot number in our log books. Never really noticed any change in accuracy or p.o.i. We used Federal Gold Medal Match 168 .308 Win. I doubt that if speaking of off the shelf hunting rifles with hunting grade ammo you would see much difference when changing lot numbers.
haven't shot factory ammo in more years than I can remember. But shooting my own reloads I normally buy powder 1# cans and as such you could say I change lot numbers all the time. I can't remember the last time I had to change a load to maintain accuracy.
 

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