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7/25/2009 6:33:14 PM EDT
Who manufactures the best tool that will ream the primer pockets a uniform depth? I would like to lessen any chance of slam fires in a semi-auto.

Thank you,

Pat
7/25/2009 7:06:53 PM EDT
[#1]
I use the EJS Possum Hollow primer pocket uniformer. It's inexpensive and  has adjustable depth cutters. It is a hand tool though and won't fit in most hand drills.It's made out of 6 sided hexagonal stock that is .500" across the flats. Good tool for the money unless you want one to work in a 3/8 drill chuck then it won't fit. The carbide cutters stay sharp and it's also useful for cleaning primer pockets once they have been uniformed and fired again.http://www.midwayusa.com/viewProduct/?productNumber=445053
7/26/2009 4:18:59 AM EDT
[#2]
I use the RCBS Primer Pocket Uniformers on the Trim Mate Case Prep Center. The Trim Mate makes fast work of this and other tasks. I use the uniformers for initial sizing and for cleanup on fired rounds. They stay sharp. The tool depth is not adjustable––but my bullets still go bang every time.
7/26/2009 5:07:48 AM EDT
[#3]
You will probably get a lot of different answers on this. I use the Redding tool because its carbide and also because its fixed - no adjustments to go out of whack.
7/26/2009 8:15:54 AM EDT
[#4]
Sinclair Inernational sells an excellent tool for this, along with a full range of reloading tools and gages.  It can be used as a hand-powered tool or it can be chucked in a drill motor (but should be run very slowly).

In my experience, adjustable means it will eventuall loosen and go out of adjustment, cutting either too deeply (irreversibly bad) or not deep enough.
7/26/2009 8:32:44 AM EDT
[#5]
Going too deep mills away part of the web support structure of the case.  If you are running reloads near the max. allowable pressure, you should be careful not to mill away anymore of the primer pocket bottom than absolutely necessary.
7/26/2009 9:25:12 AM EDT
[#6]
Quoted:
Sinclair Inernational sells an excellent tool for this, along with a full range of reloading tools and gages.  It can be used as a hand-powered tool or it can be chucked in a drill motor (but should be run very slowly).

In my experience, adjustable means it will eventuall loosen and go out of adjustment, cutting either too deeply (irreversibly bad) or not deep enough.


+1
7/26/2009 10:52:49 AM EDT
[#7]
Quoted:
I use the RCBS Primer Pocket Uniformers on the Trim Mate Case Prep Center. The Trim Mate makes fast work of this and other tasks. I use the uniformers for initial sizing and for cleanup on fired rounds. They stay sharp. The tool depth is not adjustable––but my bullets still go bang every time.


This here, works great. I think the Sinclair products would work great also, would be my second choice. I used to have a Possum Hollow uniformer and used a 1/4 drive adapter with the appropriate deep well socket in my drill. All have got the job done but I have stuck with the RCBS setup.
7/26/2009 11:16:00 AM EDT
[#8]
Sinclair for sure.   It is carbide and non adjustable.   I had an RCBS and it kept walking on me.   I have used the Sinclair both large and small uniformers for unknown thousands of times and they are as sharp as the day I bought them.
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