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New 44 Havoc

Screenshot_20250102_064206_DuckDuckGo.jpg
 
The kicker will be finding suitable .429/.430 projectiles that would be safe in a tubular mag. I suspect that the Hornady gummy tips would explode at these kinds of velocities and other "ballistic tip" type projectiles are too hard to risk in a mag tube. And, using flat point 44s will kill the benefits of the higher BC options. A bolt action, AR10 style or perhaps a BLR (they do make it in 450 marlin) may be the only feasible solution.
 
I wanted to show my wildcat cartridge that I've named 44 Havoc. This new cartridge was designed for my straightwall restriction in Michigan. It's a belted magnum case (300 h&h) cut at 1.790" and uses 44 cal bullets. Performance has exceeded my expectations. The picture shows a 225 gr bullet which runs ~2950fps out of a 22" barrel. The great part about the round is that it shoots very flat and hits hard. Also, its spaced off the belt, which makes trimming not critical (huge benefit vs other straightwall offerings). I've played a little bit with the 162 gr bear creek bullet and saw greater than 3100 fps with no pressure signs. The pictures show a comparison to the 350L 450bm. 45 Raptor and then to the far right a 44 mag. Wish I could patent the design, but doesn't seem possible. View attachment 630567View attachment 630568

I'd like to thank my friends Al and Dan for helping make this a reality.


Fellow Michigander here and have been on the lookout for a rifle to use if I ever get the chance to hunt where my bottleneck cartridges aren't allowed.

What twist? Did you get the 442/450 barrel from Xcal?

Who chambered it? have custom dies made?
 
Fellow Michigander here and have been on the lookout for a rifle to use if I ever get the chance to hunt where my bottleneck cartridges aren't allowed.

What twist? Did you get the 442/450 barrel from Xcal?

Who chambered it? have custom dies made?
Pierce engineering in Lansing did the chambering. I used the reamer to make a custom die. Manson made the reamer.20231214_112807.jpg
 

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