321 GNR Contender ?

Paul
[subject]
Monday, November 11, 2019, 13:29 (1589 days ago)

I got the 321 GNR barrel from the Sat sale and have a reload question. Do we crimp? I think this Q came up before for the 356 GNR.

I don't in mine...

Huey
[subject]
Monday, November 11, 2019, 13:55 (1589 days ago) @ Paul

- No text -

I don't even in the .300 GNR revolver.

WB
[subject]
Monday, November 11, 2019, 14:14 (1589 days ago) @ Huey

If I have to flare to seat cast bullets on occasion I simply iron the flare back out, I have had more issues (in revolvers) with over-crimping than not at all. I may get hypocritical with my BIG Encore .416, .440, .450, .476 rounds but in reality it's more of habit than necessity. Of late I don't even crimp .50 BMG for the single shot rifle.

Loaded

Paul
[subject]
Monday, November 11, 2019, 15:38 (1589 days ago) @ WB

I have loaded a few now with H110 and will test them out later this week. No crimp. With H110 in the past, sometimes I got better results with a crimp.

With H110 neck tension more critical than crimp...

Huey
[subject]
Monday, November 11, 2019, 15:46 (1589 days ago) @ Paul

With that bottleneck case, betting it works great.

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