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Why you need to lube your case necks if you use an ultrasonic cleaner or STM

 
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Old 08-08-2013, 01:42 PM
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Why you need to lube your case necks if you use an ultrasonic cleaner or STM

I wanted to do a little test after a was reading a thread on annealing on another forum, one guy suggested that adding lube to freshly cleaned and annealed brass would only cause inconsistencies and promote bullet setback under recoil. I loaded up 6 rounds of 30/375 S.I. ammo for the test, three had hornady one shot sprayed in the case necks before sizing without the expander ball, and three did not, i chose a load i already knew how it shot with the lubed necks. Here is a pick of a three shot group of the load i chose two days before this test.



And here are the bullets after seating, unlubed on the left, lubed on the right, notice how much the seating stem pushed in the jacket of the 210 nosler ALR. Seating force was also easily triple the amount needed on the unlubed necks as the force needed on the lubed ones.



I shot them at 100 yards, before i shot the first group with the unlubed necks, i fired 1 round to get the barrel warm, the barrel wasnt cleaned from the 45 rounds that were out down the barrel over the last week before this test. Here is the group with the unlubed necks.



And the group with the lubed necks.



Now i didnt have a chrono to compare velocities and ES, but all the vertical of the unlubed necks compared to the very little with the lubed necks suggest to me that putting some type of neck lube will help my groups and out rounds on target.
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Old 08-08-2013, 01:52 PM
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Re: Why you need to lube your case necks if you use an ultrasonic cleaner or STM

Nice test. I started using the Imperial dry lube on case necks years ago. I like the smooth and consistent feel while seating bullets. Plus I like not having the mess of the "One Stuck". You may want to consider it too.

Jeff
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Old 08-08-2013, 02:13 PM
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Re: Why you need to lube your case necks if you use an ultrasonic cleaner or STM

The groupings look consistant, only one is vertical, and the other horizontal for the kickers...

One question, with the dry lube, how do yall keep from having powder stick to the inside of the necks or knock the dry lube off, when you pour the powder charge in there? Why I used to lube the neck with Imperial for every case, I would get a horrible buildup in the neck and powder would stick to it when I dumped it in. But if I swabbed the necks I removed the lube, and SOME powder grains still stuck.

How do we solve this problem?

Jeff, I know you probably have a solution, I'm just curious how everyone solves this issue.
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Old 08-08-2013, 02:28 PM
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Re: Why you need to lube your case necks if you use an ultrasonic cleaner or STM

Quote:
Originally Posted by MudRunner2005 View Post
Jeff, I know you probably have a solution, I'm just curious how everyone solves this issue.
I think we are talking about two different lubes. The imperial dry lube I use is in a little tub with media beads. Like a graphite dry lube dust. It is 100% dry and no sticking powder.

"Imperial Application Media with Dry Neck Lube"

Jeff
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Old 08-08-2013, 02:31 PM
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Re: Why you need to lube your case necks if you use an ultrasonic cleaner or STM

Yeah, I was wondering if the powder pouring in knocked any of the dry lube off? If not, I might go the dry lube route...
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"I'm just a peckerwood who lives in the hills with too many guns..." - Bob Lee Swagger

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Quote:
Originally Posted by WildRose View Post
The 284 is to the STW what a tricycle is to a Ninja.
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Old 08-08-2013, 02:34 PM
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Re: Why you need to lube your case necks if you use an ultrasonic cleaner or STM

I think about 3.002% is removed by powder coming in. But that was a rough lab test I did on only 2000 rounds tested....

Jeff
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Old 08-08-2013, 02:38 PM
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Re: Why you need to lube your case necks if you use an ultrasonic cleaner or STM

I have some of the imperial dry neck lube with the ceramic media, but i always thought it would get knocked out by the powder getting poured and i didnt feel like i could get it on consistently on each case. If the powder gets stuck to the necks with the one shot, its not big deal, when you seat the bullet is knocks it right off. BTW i just got a stuck case with the one stuck last night, i ripped the rim off and had to pound it out with my case remover tool. One Lapua 6.5x284 case down... I will be using unique wax for sizing and one shot for neck lube. I would like to see someone lube the case with the imperial dry neck lube, look at it with a bore scope, pour powder, and borescope it again to see if there is any difference.
__________________

I'm 16
"Firearms are second only to the Constitution in importance; they are the peoples' liberty's teeth."
~George Washington

"The only advantage a light rifle has is weight, all other advantages go to the heavy rifle."
~ JE Custom

Biggest fail of 2014 so far... http://www.longrangehunting.com/foru...ea-ftf-128972/

My guess on W3P .308 230 Grain Bullet: G1 .740-.755
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