Lyman "M" Dies

[rfjtoys]

Are they worth the expense of an extra die and the additional step to use one?

 

[welder516]

May Mr. Lyman rest in peace

 

[John from MD]

Are they worth the expense of an extra die and the additional step to use one?

Yes if you are loading lead or powder coated bullets. You do not need them for jacketed.

 

[Mark75H]

May Mr. Lyman rest in peace

My thoughts exactly.

Maybe eruby could say some words.

 

[welder516]

My thoughts exactly.

Maybe eruby could say some words.

I had to decide if i was going to make a joke, but things have been so off lately that i could not resist. Sorry to the OP and Thanks to John for answering his question

 

[Park ranger]

If you are not wanting to use an expander ball but need to round the necks sure. Helpful if you like bushing dies.

 

[Archeryrob]

Man they adjust FAST! I made a couple cases look like trumpets learning. I would have made the taper more gradual, but maybe I don't know why it was done like that.

 

[erwos]

Are they worth the expense of an extra die and the additional step to use one?

Without knowing what you're doing and what press you're doing it on, it is hard to answer this question. If you were running a Mark7 Evo/Apex, the answer would probably be a flat "yes". If you're running a single stage and loading pistol, the answer would be "no, use a power drop with a flaring funnel". Depending on how you're loading rifle, they may be essential (coated 300 subs, bullet feeder use) or not useful at all (FMJ boattails in chamfered brass).

Also, let me put out there that I am not a huge fan of the M-die, and prefer the NOE expander in a Lee universal flare die instead. M-die inserts have an unfortunate issue with working loose under a heavy loading schedule. The NOE/Lee solution is much less likely to have this problem, and is easier to tighten to boot.

 

[atblis]

Yes. I use them on a progressive for pistol with jacketed and cast bullets. The step flare works much better for starting/locating a bullet than a conventional flare. I don’t even bother crimping to remove it. A regular flare gets wider if a case happens to be longer. The initial step flare on the M die does not.

Some blue loctite takes care of the expander coming loose.

There’s also no chance in hell I’d load auto pistol rounds on a single stage press.

 

[Rockzilla]

Yes..use M-Dies, no problems or issues. use them for Cast Bullets,
"plated" bullets and "flat base" bullets.

-Rock