Chamfer primer pockets??

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Packnteacher

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Just got my first experience with new turret (Lee Classic). I was surprised to find that the slowest part is just getting the primers seated. They tend to just barely mis-align, and require some fiddling about to get the primer in the pocket. I am accustomed to my RCBS single stage where the alignment is always perfect. So since the whole reason I'm doing this is to find new things to invent (perhaps you know that song), whaddya think about the idea of very slightly chamfering the primer pocket. Safety concerns?
 
The RCBS or Hornady case mouth trimmers work well for removing crimped primer pockets as does a drill bit provided you don't go overboard removing the brass. A chamfered primer pocket works fine for general purpose shooting. That's were you just barely take off the sharp corner of the pocket and removing a huge chunk of vertical surface.
 
I suppose you could chamfer a little but you shouldn't have to unless your brass had a factory crimp that wasn't completely removed. if it didn't have a crimp i would double check the set up.
 
I would certainly not chamfer them unless they are crimped primer pockets.

If they work fine on your RCBS press?

Well, it's a Lee press alignment problem, not a case problem!!

rc
 
Agree. Assuming we're talking about non-crimped primers. My Lee classic always seemed to run like a Dodge truck motor. Never ran "right" but always got the job done.
Double check the grove that the shell holder slides into. Make sure its nice and clean and there's nothing like a chunk of tumbling media or some other debris that worked its way in there and is stopping the shell holder from fitting in the slot "perfectly". Just a tad bit of crap can knock the shell holder out of alignment to let the primer seat glide on through.
 
It just takes a little getting used to. You will get the hang of it as you use that primer a little. Once you do you will safely load between 180 and 200 rounds an hour. (at least I can)
 
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Make sure the case is all the way back in the shell plate and it should line up fine. I have noticed sometimes the case will move a little when it comes out of a die and might need a push back.
 
Something doesn't sound quiet right if your having to ream pockets that weren't ever crimped. Alignment problem would be press related, so don't ream do that, fix the press problem.

GS
 
Once you do you will safely load between 180 and 200 rounds a minute. (at least I can)
Wow! You mean per hour don't you, ArchAngelCD? If not, I'd like to see a video! :)
 
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Thanks, guys. So I'll make sure the case is properly in the shellholder, the shellholder properly in the ram, and see. If that doesn't clear it up, I reckon I will need to talk w/ Lee. Or just chamfer the cases, but the whole reason for this question was to speed things up. Really grateful.
 
Solved it.

Tried this and that, cleaned out the shellholder and the top of the ram, did some very careful looking using Optivisor, used my deburring tool to chamfer a couple, even consulted my bruvver the engineer. So what finally eliminated the alignment problem was the use of my left index finger. Just press the casing into the shellholder slightly when beginning the primer seat, and Presto! no more alignment problems. Wish they were all this easy. Thanks, folks.
 
I wouldn't remove any material from a cartridge unless it's necessary, crimped pockets being one of the necessities, IMO. Other wise, figure out what's causing the alignment issue, or prime on your SS press or some other tool that doesn't create this problem.

GS
 
On Mine,
the 9mm cases getted shaken out of alignment with the rotation of the turret. I was using my left hand to align them and it aggravated me.
The standard case-holder also holds about 6 different calibers including 40 cal.
I tried several different case holders with no luck.

I finally made a case "spring loaded holder out of three coils of fine spring wire that just fits snugly over the case holder. The end of the top coil is bent straight to point into the case holder opening . I soldered a very small arrowhead-shaped piece of steel to the tip of this spring. It just touches the base of the case when it's fully seated to the rear.
The arrowhead shape allows cases to pop in and out easily.
I can rotate the turret at any speed and every case stays perfectly aligned.

BIG improvement. The case retainer on a Blue press gave me the idea.

The hornady 9mm reamer "bit" mounted in a small drill press removes very litlle brass and reams WCC Nato cases perfectly--- all at the same depth of cut using the drill press stop and a steel post to put the case on. maybe 5 seconds each case.
 
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