wilkup
Well-Known Member
I miss all the formulas Marshall Stanton used to have over on the Beartooth page back in the day. The wound channel and penetration calcs were really helpful.
44 Mag hunting bullet
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wilkup
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Got those 370gr MBW in the mail today and put together a dummy round. I don't get my gun until Friday so I'll have to swing by and make sure it fits in the cylinder before loading up a handful to see how they shoot that morning.
Such a beautiful monster
That big 370gr measured out at 1.00".
The other cast bullet is a 300gr WFN from the old Cast Performance company and the loaded round is a factory Remington 240gr SJSP and finally a photo next to my 9mm edc round for comparison.
Quick load shows 15gr H110 at 990' 26kpsi and 16gr H110 at 1067' 32kpsi in a 6" barrel.
Such a beautiful monster
That big 370gr measured out at 1.00".The other cast bullet is a 300gr WFN from the old Cast Performance company and the loaded round is a factory Remington 240gr SJSP and finally a photo next to my 9mm edc round for comparison.
Quick load shows 15gr H110 at 990' 26kpsi and 16gr H110 at 1067' 32kpsi in a 6" barrel.
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wilkup
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6.5x300 WBY
Well-Known Member
This is really making me want a freedom arms premier 475 linebaugh
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Looks like you can see the bullet base through the case wall. DANG, that's alot of lead. Might have to get me some!
wilkup
Well-Known Member
You definitely can! I swung by the fun store with my dummy to be sure would chamber/fit in the cylinder before starting this evening's craft session.
1680 is supposed to be a little lighter with recoil than H110, but gives up 100+ fps. Gonna see how these rounds with 1680 feel before making a decision if I need to add more hot sauce. Planning to shoot some water jugs this weekend for a penetration experiment.
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wilkup
Well-Known Member
Shot cylinder full today. Recoil was pretty easy! Love this new revolver
wilkup
Well-Known Member
5 shot over the chrono gave me an average 805fps.
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Way slower than expected but very consistent. Very interested to see how penetration on water jugs goes.
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Way slower than expected but very consistent. Very interested to see how penetration on water jugs goes.
Actually, I think you'll be surprised at the penetration at a lower velocity. I've used Keith style 290gr hardcast SWC and they were outstanding at lower velocities for penetration in my 6.5" inch S&W M-29... Good luck Cheers
memtb
Well-Known Member
Agreed! In talking with several times with John Linebaugh, he through extensive testing, determined that a slower moving hard cast bullet of equal caliber/weight/metplat would penetrate deeper than the same bullet pushed at a much higher velocity.
I don't remember exactly what the numbers were. memtb
wilkup
Well-Known Member
If I remember right, his thoughts were there negative affects at 1200+
memtb
Well-Known Member
That sounds about right! memtb
6.5x300 WBY
Well-Known Member
From what I remember doing a lot of research on this years ago 1200 fps was the optimal velocity for Heavy hard cast bullets.
What weight do you recall?
