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Sarky Bā€™stard

Legendary Knight
Slightly ironic the .223/5.56 is a standard NATO calibre but illegal in England and Wales for anything bigger than tiny Chinese Water Deer and Muntjac. Scotland defines legal weapons by kinetic energy (mass x velocity) so .223 can creep in with a heavy enough bullet.
Brutally, wounding someone takes more people out of the battle than killing outright.
 

chas

Legendary Knight
Slightly ironic the .223/5.56 is a standard NATO calibre but illegal in England and Wales for anything bigger than tiny Chinese Water Deer and Muntjac. Scotland defines legal weapons by kinetic energy (mass x velocity) so .223 can creep in with a heavy enough bullet.
Brutally, wounding someone takes more people out of the battle than killing outright.
I was told by an ex serviceman that the the rounds they used were designed to penetrate and buzz around the body to cause maximum damage without killing. The theory being a corpse is abandoned but an injured soldier consumes manpower with their recovery.
 

Sarky Bā€™stard

Legendary Knight
I was told by an ex serviceman that the the rounds they used were designed to penetrate and buzz around the body to cause maximum damage without killing. The theory being a corpse is abandoned but an injured soldier consumes manpower with their recovery.
Not strictly true as that would contravene the Geneva Convention protocols on excessively injurious weapons.

The calibre describes not just barrel diameter but a whole raft of cartridge dimensions within which bullet dimensions can also vary - given that some of it is buried in the cartridge case. Go back to Vietnam with high rates of fire, often at short range with burdensome ammunition weights and the US decided the 30-06 (.3ā€ calibre from 1906 design) was overkill but the M1 Carbine and .45ACP pistol calibre lacked range. They lifted the Stoner system based on .223 Remington off the shelf pretty much - just as a few years before NATO had adopted its version of .308 Winchester as 7.62mm.

Early M16s used a short bullet with less spin in the rifling which was prone to tumble on impact or deflection. The Russians mimicked with the AK47 and 7.62 short being remodelled as AK74 with a 5.45x39mm cartridge. That seems to have tumbling properties too because of an air gap behind the jacket point before the lead antimony core. The Russians alleged it was a manufacturing quirk.....

By the time NATO adopted 5.56 it was formalised with a longer, more ballistically stable bullet imparted greater spin in the rifling. This makes it a much better penetrator - actually better at 1,000 metres than 7.62 because it loses less velocity. That however works for steel plate not flesh because you want maximum kinetic energy dumped in the target not passing through and being dispersed elsewhere...... wound ballistics is a gruesome subject of study.

So ā€˜Full Metal Jacketā€™ is actually LESS wounding than a soft point hunting round and terrorists are not covered by the Geneva Convention when they need to be subdued amongst innocent bystanders.
 

Sarky Bā€™stard

Legendary Knight
Flip forward to Afghanistan and .223 lacked kinetic energy at longer engagement ranges and we seemed to be heading back to a median point closer to the AK47 original short round. Rather than reinvent the wheel we re-adopted 7.62 in a heavier rifle. That said, there was much chatter about .65 Grendel which is ballistically similar to my old .270 Winchester and about the ā€˜perfectā€™ aerodynamic v. mass boat shape for a projectile just under .3ā€ - there was just no appetite for yet another calibre to complicate logistics.
 

MartytheMartian

Legendary Knight
What I find truly incredible is that those 'SJW's' don't seem to see how ridiculous and pathetic they are. It's a strange new world we live in where the pathetic little weird nerds who used to consider themselves the oppressed are now the oppressors in the name of stopping oppression. Bring on the End of Days and let God and the Devil sort it all out.
 
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