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Winchester Large pistol Pimers problems

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Post by ser2711 Mon Jun 03, 2024 9:23 am

I usually reload 45 ACP with Winchester Large Pistol Primer without any problems.. lately I had a couple of misfire and some weak reactions to the shot and low on the target.. it maybe this lot's fault..or what else?

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Post by Dulcmrman Mon Jun 03, 2024 9:30 am

What kind of powder?  Type of reloading press?  Are you measuring your powder drops?  Seems to me that if the primer ignites the powder then it's more likely that you have a smaller than required powder charge.

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Post by ser2711 Mon Jun 03, 2024 9:42 am

Is a long time I reload with 3,8 N310 with Lee press and Dies without any problems

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Post by ser2711 Mon Jun 03, 2024 9:55 am

If I find on the market I will buy CCI Large Pistol Primer I think are the same quality of Winchester..

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Post by Wobbley Mon Jun 03, 2024 12:56 pm

I’ve loaded with Fiocchi, which is more local to you, and had no issues.
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Post by messenger Mon Jun 03, 2024 1:28 pm

Are these the original blue box or the new red/black box?

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Post by ser2711 Mon Jun 03, 2024 10:52 pm

The original blue box

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Post by DA/SA Tue Jun 04, 2024 6:07 am

Too much case lube got inside the cases?
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Post by ser2711 Tue Jun 04, 2024 9:09 am

I don't think so.. am very careful on reloading are like that out if the box.. my believe that is not a lucky lot at least for me.!

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Post by toddcfii Tue Jun 04, 2024 9:50 am

I guess I don’t understand how a shot low on the target would be the primers fault. As long as the primer ignites the powder how can it be a primer issue?
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Post by ser2711 Tue Jun 04, 2024 10:06 am

Yes, I don't understand too..I can only think less powder on the primer and cannot ignites 100% the powder or some hunidity on the primer powder.. a couple misfire too..

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Post by ser2711 Tue Jun 04, 2024 10:16 am

I try this afternoon with the same components but with Fiocchi primers and solved the problems.. pity cause I have 1000 Winchester useless at least in competition..

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Post by Dulcmrman Tue Jun 04, 2024 10:42 am

ser2711 wrote:I try this afternoon with the same components but with Fiocchi primers and solved the problems.. pity cause I have 1000 Winchester useless at least in competition..
Perhaps you should contact Winchester with details including the lack of performance and the lot number of the suspect primers.  They may decide to reimburse you and send a different lot of primers to use.  It's worth a try.

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Post by bruce martindale Tue Jun 04, 2024 1:27 pm

Is the primer brass tarnished? Do you know how old they are and how theyy were stored? Ozone from motors and humidity are a big cause. 

Degraded primers will result in low and erratic ignition and velocity. I’ve had it happen and proved beyond a doubt that it was the primer.

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