Also known as 7.62 NATO, this was the standard full powered rifle caliber for all NATO nations. Rifles included the M14, the British L1A1, the Belgian FN FAL, and even India had a bolt action version of the Enfield in that caliber. It is also used in the M60 machinegun, various sniper rifles, etc.
No. If it does not have 5.56 on the barrel then use .223 ammo.
No
Owners manual, Gunshop, most rifles have the caliber listed right on the barrel
Winchester made some that did. Remington also, IIRC.
Remington makes a variety of rifles and shotguns using various sizes of ammunition.
lighter bullet and more ammo can be carried as opposed to the 30/06 or 308
Yes, the .44 caliber cartridges are pistol/revolver cartridges. Lever action carbines/rifles of the 1800's utilized many pistol calibers so that frontiersmen could use the same ammo for both guns.
They use what they're assigned.
Some studies indicate the repeated use (20,000) of steel cased ammo will prematurely wear the barrel on semi auto rifles. The normal user will not see the difference.
The standard 5.56 mm cartridge is centerfire. There IS an adaptor to permit the use of .22 LR rimfire ammo for training.
It must be marked on the box "FOR USE IN ALL RIFLES"
yes, but check receiver to see if re-heated