Using pistol expander die to ease rifle flat base bullet loading

Originally Posted by Tannhauser

Thanks for the replies. I finished loading my charge ladder and this was done without any neck expansion.

I found keeping these bullets centered to start heading to Ross the line of “detail oriented” to “fiddly”, snd was thinking about a way to streamline.

In hodsifht I could have spent more effort on a good chamfer, and first my next batch I’ll focus on that before adding another step.

What do you mean by "without any neck expansion"? You're not just using a standard FL or neck die without the expander button, are you? If so, that's your problem, and it can screw up your accuracy testing results as well. It is possible to make the case necks way too small by not neck expanding, and that will cause seating issues as you described.

I'd be interested to see a measurement of your case necks before and after bullet seating.

Re: Using pistol expander die to ease rifle flat base bullet loading Yondering #14796419 04/18/20
Joined: Sep 2017 Posts: 500 Tannhauser OP Campfire Regular
OP Tannhauser Campfire Regular Joined: Sep 2017 Posts: 500	Originally Posted by Yondering Originally Posted by Tannhauser Thanks for the replies. I finished loading my charge ladder and this was done without any neck expansion. I found keeping these bullets centered to start heading to Ross the line of “detail oriented” to “fiddly”, snd was thinking about a way to streamline. In hodsifht I could have spent more effort on a good chamfer, and first my next batch I’ll focus on that before adding another step. What do you mean by "without any neck expansion"? You're not just using a standard FL or neck die without the expander button, are you? If so, that's your problem, and it can screw up your accuracy testing results as well. It is possible to make the case necks way too small by not neck expanding, and that will cause seating issues as you described. I'd be interested to see a measurement of your case necks before and after bullet seating. I meant without using my .357 Lyman M die. I fully resized with the expander button.

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