On-press Priming

Joined
Jun 13, 2016
Messages
1,561
Location
California
somewhere i have seen it in print that you should achieve .002 crush of the anvil into the primer cup. with a press handle feeling the primer go in and bottom out is about all you can get. you cant feel that little extra crush that a hand primer gives. with the hand primer [ even the lee] you can really tell if the pockets are loose.

with a press you can crush the primer too much they claim. i am not sure where that point is or what the result would be.

i am pretty sure most folks are just fine with a press and will rarely , if ever, have trouble. i used a press up until the late 70's when i started to follow the accuracy crowd.

we do have a lot of choices and there are many ways to get good results. if you are getting good results that is all that matters.
Not so with the Co-Ax. If you scrub to 8:26 you'll find your explanation there.

 

rayporter

WKR
Joined
Jul 3, 2014
Messages
4,393
Location
arkansas or ohio
yes that will work just fine. most presses will allow you to completely crush the primer completely flat.

i always wanted a co ax but i adjust the shoulder bump often and the co ax does not lend itself to a lot of die adjustments.
 

JRMiller

WKR
Joined
Apr 11, 2020
Messages
579
Location
Texas
i've never found a good hand primer, tried at least five or so, returned them all. Some were and utter joke.
Have stuck with on-press priming last few years. Been happy. I load a lot but not a billion rounds at a time or anything like that. most i'll do at any one time is 100-200
 

Aviator

WKR
Joined
Nov 24, 2019
Messages
333
My old lee hand primer finally wore out so I’ve been on press priming for a while now, it seems to work fine for me.
 

wyosam

WKR
Joined
Aug 5, 2019
Messages
1,234
I used to prime everything on the Lee turret press, which worked pretty well, other than there wasn’t much feel to it. I just use that press for handgun now, and use that to prime. Rifle rounds I most do with the FA hand tool. Really nice feel, obvious when a pocket is getting loose. I can pretty much feel them going as they are loaded. I’ve marked those that feel a little different, but not necessarily loose, and they are typically gone in another 1-2 firings. When I feel like they are on their last one I mark them to cull after firing. I have primed on the coax, and it has good feel, but not quite as much as the hand primer. Mostly I don’t care for all the primer handling. I think its pretty much just personal preference. My gadget addiction drives most of my reloading “upgrades”.


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