Hornady dies- off spec 41 mag

Park ranger · Sep 24, 2020

Started playing with new hornady dies for 41 Remington mag. Went to resize a case and it wasn't even close to fitting. Tried putting some lube on it, still no dice. Called hornady, Tech working from home. Asked me to send pic with calipers showing ID of die. .425". Saami shows .434" mouth.

I bet they make it right, or maybe I'm just plane stupid and missing something, figure I'd ask here. It's the TN dies, so no lube required. Factory once fired brass.

Thoughts?

85MikeTPI · Sep 24, 2020

Park ranger said:
Started playing with new hornady dies for 41 Remington mag. Went to resize a case and it wasn't even close to fitting. Tried putting some lube on it, still no dice. Called hornady, Tech working from home. Asked me to send pic with calipers showing ID of die. .425". Saami shows .434" mouth.

I bet they make it right, or maybe I'm just plane stupid and missing something, figure I'd ask here. It's the TN dies, so no lube required. Factory once fired brass.

Thoughts?

What’s the OD of a fired case mouth?

It seems excessive but I’m sure there’s some amount of case mouth tension to hold the .410 projectile in

Doco Overboard · Sep 24, 2020

When full length resizing theirs a certain amount of spring-back probably formulated into how they are ground.
The drawings show .4368 for the chamber at the rear and a slight taper to the front to .4352.
How does your once fired brass OD measure?

85MikeTPI · Sep 24, 2020

Wondering also if you just got a 40sw die in the box by mistake

Park ranger · Sep 25, 2020

Fired case measures .433. Hornady email back, new die on the way. Still an odd thing, and like you I wonder, did I get a 10 mm die?

U.S.SFC_RET · Sep 25, 2020

Odd indeed and especially from Hornady.

Seabee · Oct 13, 2020

Had to send a Redding 250AI size die back a few months ago. It was causing up to .010" runout. They reworked it and sent it back. Runout is now .001 or <
Mistakes happen.

Park ranger · Oct 16, 2020

They sent me a new die body. Works fine now. 210 grains at 1400 fps is cool!

Magnumite · Oct 19, 2020

Good load. Good to know you got things resolved.

What bullet? Make, type, etc.

Park ranger · Oct 19, 2020

19.2 grains of 2400
210 Nosler JHP
Starline
Federal Gold medal mag primers.

U.S.SFC_RET · Oct 19, 2020

I am telling you that the 41 Magnum I have is by far the best shooting magnum pistol I have owned to date. I also use Alliant 2400 with good results.

Hornady dies- off spec 41 mag

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