Anyone know how to open up the primer pocket on these?

dgray64 · September 7, 2009, 07:33 PM

I have 500 once fired cases of police frangible, Federal .40S&W. The cases are super clean without extra cleaning. I took a small reamer to the head of the case to take out the crimp, but the pocket just seems too small. When trying to install a new primer, it gets mis-shapen. I quit with it. Most tools are pocket cleaners for the bottom for depth uniformity or for reaming the crimp from the top as I did. I need a reamer that will open up the pocket to accept a primer with reasonable installation pressure. Any suggestions? I looked at a Hornady pocket primer reamer on line but can't tell if it will open the pocket as I need it to. Thanks for the help.

Dave

Sevens · September 7, 2009, 07:39 PM

A simple chamfer/deburr hand tool works well for this sort of thing every time I've tried it... but then again, I don't know what a "police frangible, Federal .40S&W" case looks like. I use mine for milsurp crimps and it works.

Horseman · September 7, 2009, 09:13 PM

Make sure your primers are in spec. If so then get a primer pocket reamer from Sinclair. Go SLOOOW with the reamer chucked in a low powered drill.

Rodentman · September 8, 2009, 07:46 PM

How about a RCBS primer pocket uniformer?

September 7, 2009, 07:33 PM	#1
dgray64 Member Join Date: August 27, 2007 Location: Central Texas Posts: 47	Anyone know how to open up the primer pocket on these? I have 500 once fired cases of police frangible, Federal .40S&W. The cases are super clean without extra cleaning. I took a small reamer to the head of the case to take out the crimp, but the pocket just seems too small. When trying to install a new primer, it gets mis-shapen. I quit with it. Most tools are pocket cleaners for the bottom for depth uniformity or for reaming the crimp from the top as I did. I need a reamer that will open up the pocket to accept a primer with reasonable installation pressure. Any suggestions? I looked at a Hornady pocket primer reamer on line but can't tell if it will open the pocket as I need it to. Thanks for the help. Dave

September 7, 2009, 07:39 PM	#2
Sevens Senior Member Join Date: July 28, 2007 Location: Ohio Posts: 11,775	A simple chamfer/deburr hand tool works well for this sort of thing every time I've tried it... but then again, I don't know what a "police frangible, Federal .40S&W" case looks like. I use mine for milsurp crimps and it works. __________________ *Attention Brass rats and other reloaders:* I really need .327 Federal Magnum brass, no lot size too small. Tell me what caliber you need and I'll see what I have to swap. PM me and we'll discuss.

September 7, 2009, 09:13 PM	#3
Horseman Senior Member Join Date: February 1, 2006 Location: Midwest Posts: 1,067	Make sure your primers are in spec. If so then get a primer pocket reamer from Sinclair. Go SLOOOW with the reamer chucked in a low powered drill.

September 8, 2009, 07:46 PM	#4
Rodentman Member Join Date: August 20, 2009 Location: MN Posts: 38	How about a RCBS primer pocket uniformer?