General Discussion
In reply to the discussion: Can anyone provide a reason for more than 3 rounds? [View all]oldhippie
(3,249 posts)... you know. The .223 Rem is NOT a Mil grade cartridge. In fact, the .222 Remington cartridge, from which it was derived, was developed as a civilian varmint cartridge. The .223 Rem is a variant that was derived around the time the original AR-15/M-16 was being developed to fit in its magazine. It is still an all time favorite varmint cartridge.
The MILITARY cartridge is the 5.56x45. Currently the US and most NATO countries use the M193 or the M855 versions. They are VERY similar to .223 Rem, but vary in pressure and the chambers have dimensional differences, primarily in the neck and throat. You shouldn't argue military minutiae with someone that has been working in the field of military weapons development (including small arms) for 40 years.
http://en.wikipedia.org/wiki/.223_Remington
Now, enough minutiae, back to the original question. How many hogs have you killed, and with what cartridges?