Primer pocket uniformer

GrizleyHunter

GrizleyHunter

New member
I have a RCBS case prep center and it sucks to do the primer pocket uniformer on new brass.My fingers are falling off and it takes four swipes because the cut brass loads up and does not discharge off the tool or out of the pocket.The brass wants to lock up on the tool if I am not carefull.
Do you guys have any ideas or tools to do the job a bit easier.
 
LUBE!!! When preping cases I don't worry about lube in the case as I am going to degrease them anyway. Lube makes everything easier. ADam
 
Hey GrizleyHunter,
How's life? Just so happens I have the cure for you because I ran into the same problems. Sinclair used to sel them (and still might or Brownell's might), but Midway has them also for right@ $25. They are called the "Forster Chamfer and Deburring Tool Base," Product #492986. I use Sinclair Primer Pocket Uniformers and theres is an insert you might need because I have no idea the size of the RCBS uniformers. Might want to go to the "Forster" website and see what they recommend. I have three of those neat little Forster hand cranks attached - screwed into the edge of my reloading bench and have them set up as an assembly line when I prep my casings. Makes life really easy and saves the fingers and wrists from REAL work. Take a look if nothing else and it might give you some ideas.

Have fun my friend!
Alex
 
Not a fix for the problem but if you wear the heavy rubber gloves...I think they are called Nitralon or something like that (the purple ones at Wally World) it makes a huge difference when doing secondary ops like that.
 
Found a small fix,I cut a piece of rubber gas line hose and then cut a split in it so it would fit over my brass it gives a very good hold on the shell and makes it easy to hold on to.
But I still say it is a poor design in the tool that does not have a way for the cut brass to exit and the base of the shell has to sit on the shavings which has to be cleaned so you can get the depth of cut required.
You would think there would be some relief channels cut in the tool so the shavings would exit.
 
Here is another way of saying what I am trying to explain


Its like making a drill bit with no flutes in it to get rid of the chips.Does that make it a better explanation of what I was trying to explain??
 
GH, the only way the tool will clear any chips is to hold the case mouth pointing downward and a little bit will fall out through the flash hole and then through the case.
I did a batch of cases with a cordless drill and it took an average of 3 cuts to bottom out. It may have been a coincidence, but that batch of brass had primers so loose on the 3rd loading that I trashed them.
I still use the tool, but I use it with my fingers to just square up and clean the corners of the primer pocket before priming. I don't cut all the way to the flash hole, if that makes any sense.
 
fw707

Ok I understand your method but my uniformer is on my RCBS prep center so I guess I could remove the tool and do it by hand or hook it to a drill and see how that works.
If I am not carefull I can actually stall the motor on the prep center when the chips bind up the tool.
Just looking for a better way to do primer pockets but their my not be a better way.
 
I get the cheap gloves at the hardware store with the blue rebber coating on them, this works great for working on my RCBS prep center.
 
I use a RCBS Prep Center also and my RCBS Large Rifle Primer Pocket Uniformer was a little too large. After Uniforming the primer pockets on hundreds of brass I now have hundreds of brass with loose primers.

I never had a problem with brass when I didn't uniform the primer pockets on my brass. No more primer pocket uniforming for me.

IMG_0998.jpg

I do use the fuel hose with a stopper in it to hold my 223 Rem brass while prepping the brass on my Prep Center. I can hold onto the 223 brass with much less effort using the fuel hose holder.
 
As long as the brass is dry, I have no trouble holding on to it. But I have vice-grips for fingers. Lubed brass can be a problem.

I'll be honest here, I don't bother much with primer pocket uniforming any more. BTDT. Or case neck turning. In hunting loads, it just isn't worth the effort IMO. The idea of primer pocket uniforming is to "square" or "true up" any rounded edges in the primer pocket that would cause the primer to seat inconsistently, or not all the way. However, you also run the risk of cutting into the webbing should the cases not be of consistent dimensions, or the webbing not of consistent thickness. For hunting loads, I just clean out the primer pocket.

IMO, you have a better chance of obtaining more consistent, reliable ignition from deburring than you do from PP uniforming.

For match loads, I use Lapua Brass and it is highly consistent. I have weighed enough of it to know that I no longer care to waste my time weighing it. The biggest factor in accuracy here is uniform neck thickness. That and runout are about the only dimensions I ever bother checking anymore.......
 
Get the 'military crimp remover' tool for the Prep Center. Run the brass on that tool 1st, then hit them on the uniformer. Problem solved...
 
Never even thought of that Freddy. Every once in a while you make sense.............
grin.gif


I still don't bother with primer pocket uniforming any more......
 
Tim
No the rounds are fine and when primer pockets are finished the pockets are still tight even after several reloads.It just seems to me that the tool is of poor design and cant discharge the brass chips.I was hoping to find a different style of tool to help with the process.You have to set the brass on top of the cutter and there is no way the excess material can drop out of the way and then it starts to bind up.
 


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