Case trimming primed brass

Just use the Lyman

I trim primed brass all the time with the Lyman.

The ball bearing does help center the case but it's not critical.

I find that letting the case be turned by the slowly rotating pilot as you close the chuck will center the case nicely every time. No problem.

The case mouths will turn out square.

I'm not saying that the Lyman is the best trimmer out there, I'm just say that what you have already will work just fine with primed brass. You just have to take a little more care.

Good luck.
 
'Boo said:
The primers on all loaded rounds should be below the base of the case. The Hornady lock spindle has a diameter larger than most primer pockets so it should not come into direct contact with the primer.

With that said if someone tries using the Hornady - or any other trimmer - I would hope that common sense would prevail and they would check out all the clearances them self before going to town cranking on the handles! ;) LoL
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Thats what I hoped you would say. I'd be more condifent to try it now, given your oppinion.

cheers.
 
tburdek said:
Tell me about it! Best money (and most) I have spent on reloading gear so far. I used to dread case trimming until I got a Giraud unit - now uniforming primer pockets is the operation that I hate.
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When uniforming primer pockets on new brass, I chuck the cutter into a battery powered drill, and dip the cutter into some Imperial dry neck lube. This takes the chatter away, and speeds up the process.
 
HI ; I am with Two Tone on this one . I have trimed primed brass on the Lyman , both hand cranked and motor power one .The ball bearing is on a spring and pushs in ,push on it and see.
 
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