As far as diameter, it's smaller. But the .243 is a necked down .308 cartridge, giving it a longer overall length. As far as grains go, you can get a much heavier projectile in the .30-30, but you'll have better performance at range with the .243.
its smaller.
Size of the rifle will vary, depending on make/ model. The 30-30 BULLET is larger in diameter and weight than the .243, but has less energy. This is due to a slower bullet.
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.
.08 is smaller than .30 because .08 is like 8%, whereas .30 is like 30%. Knowing that, you can tell which one is bigger and which one is smaller.
25
It is: 25
5/6 is bigger than 4/5. 5/6= 25/30 and 4/5= 24/30
30.375
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.
72.9
4 or 5
The Republic of Ireland is about 30% the size of the UK