Tech.stuff......bullet weight V`s rifle twist

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Tech.stuff......bullet weight V`s rifle twist

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KILLITnGRILLIT

Joined: 14 Sep 2006
Posts: 894
Location: Looking at a screen in the front room

Posted: Thu Feb 08, 07 5:08 pm Post subject: Tech.stuff......bullet weight V`s rifle twist
Anyone know much about this dark art as my cranium is near meltdown I`ve sen the greenhill method but it seems too simplistic ...........Soooo any takers ??

dpack

Joined: 02 Jul 2005
Posts: 46247
Location: yes

Posted: Thu Feb 08, 07 5:38 pm Post subject:
lost river ballistic seems to have a good article (in support of their rounds)but covering stuff like spin,speed and terminal effects

KILLITnGRILLIT

Joined: 14 Sep 2006
Posts: 894
Location: Looking at a screen in the front room

Posted: Thu Feb 08, 07 9:20 pm Post subject:

I wouldn`t ,and probably couldn`t afford, the alloy/copper ammo.

I should have stated I am working up handloads and then when talking to a friend we got onto weight/calibre and it descended into hades as we discovered(Cheers Mr.GOOGLE !) that there are other things,such as curve of the ogive etc.

After that we both had frazzled crania(?) so I had posted to see if someone can shed light on it in simple words and pictures

dpack

Joined: 02 Jul 2005
Posts: 46247
Location: yes

Posted: Thu Feb 08, 07 10:24 pm Post subject:
maybe finding an expert to match gun /n / round /n/ target is the way forward [b becoming an expert on etc [/b build a practice round for 100m ,use one of those ones fof a freezer shot

KILLITnGRILLIT

Joined: 14 Sep 2006
Posts: 894
Location: Looking at a screen in the front room

Posted: Fri Feb 09, 07 10:06 am Post subject:
I`m fine @ 100-200yds but need to get it right for 300-600yds as there is a world of difference.

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