Hi all,
5.56 mm looks like 5/9 cm to me.
Regards
Martin
_
From: owner-u...@colostate.edu [mailto:owner-u...@colostate.edu] On Behalf
Of Michael Payne
Sent: 25 May 2010 18:39
To: U.S. Metric Association
Subject: [USMA:47436] Re: Ammunition diameter
Someone on this blog
.21889 inches is basically .22 or a 22 caliber bullet (at least in the
US). Caliber is usually the diameter of the bullet in inches, normally
referred to without the decimal point. An M-16, or any other modern
military gun, would be designed to optimize things such as the weight of
the gun
