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Bad seating die?


Bad Wolf

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Anyone had an issue while loading pistol rounds on a progressive and as you go along the bullets tend to get longer? I have a LnL and using a set of Lee dies. Here lately I've noticed that when I confirm starting length, 1.145 on a 9mm, by time I've finished 100 rounds it about 1.160. I know .015 is not a huge difference but its got me concerned the die might be bad.

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It could be the die moving in the press or the bullet seating stem moving in the die. Lee dies don't have a lock ring on the seating stem, just a rubber o-ring to keep tension on the stem. That is one feature I don't like about the Lee dies but so far it hasn't been an issue with the ones I have.

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I corrected the issue by backing the die out and tightening down the stem down. Funny how I never had this problem until I cleaned the die. But I did install it at the same dept after the cleaning and that when the problem started. I still plan to get the locking rings.

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Thanks, Ill grab a set. It was may plan to upgrade to the Hornady Locking rings sooner or later. I just had other things to get first.

 

I shitcanned all my RCBS lockrings for the Hornady lock rings - best thing I ever did.  You're definitely on the perfectly right track with that.  You can get the Hornady lockrings in a 6-pack, and they're much cheaper that way. 

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I hate paying for shipping. Most of the time its not on time anyway. How can six little metal rings that weight about 1lbs cost 10 bucks to ship?

Gotta pay some lacky to pick them off the shelf throw them in a box tape it up and slap a piece of paper on the box

Edited by shepp
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