No. Both use the same diameter projectiles.
No
Both fire the same diameter projectile.
No. The .243 is a larger calibre, and the parent case is the .308 Winchester, necked down to accept the smaller projectile. It's considerably more powerful than the .223.
308 is more than 8 times the size of 37.
308 Rifle can hit a target over 300 yards away. The military used them as sniper rifles and they r more accurate than a .223
Yes. Significantly.
The parent case of the .270 is the .30-06, necked down. The parent case of the .243 is the .308 Winchester, necked down. Aside from the larger diameter of the .270, the .270 has a longer case.
.308. which is 7.62
A Remington 308 rifle is a very powerful rifle that should only be made available to qualified individuals. This kind of rifle can be found from Gun Broker.
The cartridge in question is the .300 Winchester Magnum, and not the .308 WinMag. The .308 cartridge is about 16mm shorter than the .300 Winchester Magnum casing. The two are NOTinterchangeable.
It's a Russian rifle that shoots a .308 cartridge.
If you are talking about the 7.62x51 and the .308 Winchester then yes they can safely be interchanged