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I've been playing around with faster twists the last couple of years. It may be a freak occurrence, but well, things seem to die faster...

I don't have empirical data. I've just noticed more trauma and quicker deaths. Could be a coincidence or maybe there is something to it....

Whatcha think?


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I think P.O. Ackley would agree with you.


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self fulfilling prophecy?

Last edited by blammer; 12/08/14.

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You know I agree, most especially when slinging bullets that will stay together.


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Originally Posted by Steelhead
You know I agree, most especially when slinging bullets that will stay together.


It is all supposition on my part, but I agree with Scott. I think faster spinning is where mono metals come into their own...


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I didn't want to mention all copper bullets, so as to not hurt feelers, but you knew what I meant.


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SAS: I think without doubt trauma would increase with fast twist cnc bullets, but again, it would help enormously ( on game anyway) if they held together. I have played with the concept and varmint bullets...on varmints. The difference between a 12 twist and an 8 twist is the difference between merely graphic....and Uber grin


"...the left considers you vermin, and they'll kill you given the chance..." Bristoe
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Originally Posted by Steelhead
I didn't want to mention all copper bullets, so as to not hurt feelers, but you knew what I meant.



Thats why I referred to them an 'mono metal' grin


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Seems to me that a bullet would only make maybe 2 revolutions through a broadside shot deer. I don't know how that would affect anything?


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The mono metals are actually where I noticed a difference on deer size game.

The 40 grain Varmageddon's out of an 8" twist 223 raised my eyebrows. The difference with those bullets in an 8" twist compared to a 12" twist is eye opening. Little things not only explode more violently, they appear to get more "lift" too.


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Damn. You have a point there...


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OK


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Rotational forces could get the Barnes wings deployed more positively, earlier during the penetration. (Thinking out loud.)

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What about RPM's, resistance and loss of velocity?


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I have read many bullets tumble on impact. I wonder if faster rotation increases the effect and causes more internal damage?

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Are the "things" that die you are referring to small deer or rabbits or what?



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RPM's provide the rotational forces. The petals deploy wider faster. The bullet sheds velocity, and hence momentum, faster. Shedding momentum faster means the force slowing the projectile down is larger. Larger force of impact leads to deadness occurring sooner. grin

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I don't see any difference. 40 grain Ballistic Tips kill deer the same out of my 14 twist as they do out of my 8. They also kill deer about the same as a 338. And pretty much everything in between. A bullet through the heart/lungs results in a short death run with a piled up deer at the end.

A good friend was in on 20 some elk kills this year (many of them big bulls), with everything from his 243 shooting 85 TSXs to various Ultra Uber Awesome Mags. He noted the 243 worked about the same as the fire breathers.

This killing stuff isn't hard, put a decent bullet in the right place and stuff dies promptly. Put a bullet somewhere else and it doesn't.

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Fast twist + plastic stock + stainless barrel + mono bullet = uber deadly rig.

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The old 1/14 twist with the 55gr FMJ of the original m16 is one reason they called it the meat axe. Increasing the twist to 1/12 with the a1 was *said* to reduce wounding capability as the bullet was more stable and less prone to yaw and fragment. I don't know if it is actually true (I kind of doubt it) but I just thought I would throw it out there since someone mentioned 'tumbling'.

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