Re: XM-8 Rifle

From: tomaddamz (richardgozynya_at_yahoo.com)
Date: 06/07/04 

Date: 6 Jun 2004 22:00:02 -0700

Tony.Williams@quarry.nildram.co.uk (Tony Williams) wrote in message news:<e64faab.0406060707.46406297@posting.google.com>...
> Rupert Boleyn <rboleyn@paradise.net.nz> wrote in message news:<hgdtb011l03slvki00q7ll7ua9j3ispqa4@4ax.com>...
> > On 1 Jun 2004 22:10:28 -0700, Tony.Williams@quarry.nildram.co.uk (Tony
> > Williams) carved upon a tablet of ether:
> >
> > > There is no such thing as a 'magic bullet' which will instantly down
> > > the enemy every time, but the performance of the 5.56mm does seem to
> > > be particularly erratic. SOCOM sponsored the development of the 6.8mm
> > > for that reason.
> >
> > And I'm betting that they'll get mulitple hits on people that keep
> > moving from that, too. If things go well they'll get fewer, but I
> > think that this will depend on bullet design as much as the round's
> > extra power.
>
> Yes, they probably will, and yes the bullet design is important. Tests
> of the 6.8mm shows that it tumbles and fragments reliably out to 300m,
> inflicting much bigger wounds in gel tests than any 5.56mm. That is
> hardly surprising since the 6.8mm bullet has a 50% greater frontal
> area, and weighs 50% more, than the best 5.56mm loading, while
> striking at a similar velocity.

Who cares about frontal area? That only adds to problems with armor
penetration. If you want to get into the pissing contest of tumbling
and fragmentation look at the West German Steel jacketd stuff that was
around some years back ( the stuff with the .4 mm Jacket), it
absolutely disintegrated when it tumbled. There is a balance between
weight of ammo, felt recoil and operator fatigue, and volume of fire
that can be maintained. I think we have all come to the understanding
that reliable wounding is dependent on one thing, how big the wound
channel is in the intended victim. There are two ways of getting
there, Big slow rock (think .45 Auto) or self destructing rock at
ridiculous velocity( think 5.56mm M193).
>
> Which would you rather trust your life to; a round which will drop an
> enemy first shot, say, 50% of the time, or one which only does it 33%
> of the time?
>
How many shots do I get? That factors in, If I can spray a load of
7.62x25 at 50 Yds or less ( and you are within those 50 Yds), I'll
probably take that over a .458 Win Mag that will punch your lights out
at 1000 Yds.

 
> Tony Williams
> Military gun and ammunition website: http://www.quarry.nildram.co.uk
> Discussion forum at: http://forums.delphiforums.com/autogun/messages/

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