Redding dies sticky on down stroke

209jones said:
I just recoil at the idea of using a Q-tip to lube interior case necks, waaaaay too much work. Forster and Lyman make dry neck lube brush kits that use motor mica lube, don't have to worry about powder contamination, only really have to dip& brush about every 3rd or 4th case, you'll feel when it needs more on the sizer button. And the dry lube is all you need with a neck die or neck/bushing die, works with mandrels too. Bag of dry lube is like 5.00 and lasts a pile of rounds, think I've used 3 bags in 45 yrs.
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I meant for the qtip to be used as a way to put more lube on a few cases to check if that would fix the sticking problem.
 
Did you try sizing a case with no expander or spindle in your die to see if it is actually the problem. If yes then I would measure the expander ball to see if it is the proper size.
 
CaribooBC said:
I also use Hornady One Shot..... but my supply is running out. After sizing I run them through an ultrasonic cleaner. Works great and no fears of primer contamination. Inside of the neck ends up clean, I should have consistent neck tension.
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before you completely run out go and buy a can of wd40 specialist dry lube and compare it to one shot. I ran out of one shot and tried a few different lubes but none of them matched the versatility and ease of use of one shot. I tried a can of wd40 specialist dry lube and it seems like a close match to one shot but I'm just going from memory.
 
Galling of the brass on expander balls and mandrels a too clean issue. Long ago before stainless pin tumblers and annealing, that carbon layer acted as a lubricant to the hard brass neck. Now we have soft gummy brass from annealing, and no hard lubed layer of carbon. Think of the carbon like teflon in a pan, or the 'seasoning' on a cast iron pan.

I love my brass squeaky clean, then annealed on an AMP. I use as small of a bushing so that the -.002" mandrel just barely has to true everything up. I FL size with Dillon spray, which is the lanolin/alcohol concoction. I use a small lid with lithium grease aerosol sprayed into it to dip case mouths. To get the lube out, I then ultrasonic clean, rinse and dry. I'm processing large batches of brass, often cleaning many calibres at a time, so it isn't a pain in the butt.

I started moly coating in the mid/late 90's, and still do. I feel this has more of an impact on case neck tension than anything else, and it works for me. I have seen cold welding of necks with ammo that has been stainless tumbled and naked bullets seated.
 
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