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I use the Redding competition die for bullet seating on a Dillon 650. I set it for 1.100, and will get ranges from 1.100 to 1.250.

They all gauge and shoot fine enough. Is that an acceptable margin for range ammo?

EDIT TO ADD: that I am a dumbass. 1.100-1.125 variation.

This message has been edited. Last edited by: eLLegitLegit,
Posts: 21 | Location: Wisconsin | Registered: May 20, 2022Reply With QuoteReport This Post
I Deal In Lead
Picture of Flash-LB
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It's not dangerous or anything like that, but that's a huge variation.

Kind of looks like the seater plug is the wrong one for the bullets you're using or the bullets are really cheaply made.
Posts: 9921 | Location: Gilbert Arizona | Registered: March 21, 2013Reply With QuoteReport This Post
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Your issue with variance in COAL may a result of the bullet construction and the variance in OAL of the bullet itself.
Did you thoroughly clean your die before use.
I do not think that you will get the precision of a RIFLE cartridge with a straight walled handgun cartridge. Are you using brass cleaned with SS pins? The brass may be too clean? You may want to consider using a stepped powder funnel such as those from Double Alpha.
Posts: 5 | Registered: July 21, 2022Reply With QuoteReport This Post
With bad intent
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Ive run into this before. The first time was compressed loads, the second time was the seating stem being belled out....likely due to the before mentioned compressed loads.

Posts: 7893 | Location: One step ahead of you | Registered: February 10, 2009Reply With QuoteReport This Post
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