.243 THOUSANDTHS OF AN INCH DIAMETER BULLET. WIN SIMPLY IS SHORT FOR WINCHESTER, THE ORIGINATOR OF THIS CALIBER. THAT DOES NOT MEAN ONLY WINCHESTER MAKES GUNS IN THIS CALIBER. MANY GUN MAKERS CHAMBER THIS ROUND. IT IS A GOOD DEER, VARMINT, COYOTE ROUND.
Caliber is .243, buy ammo in .243.
Which caliber?
yes
Best left to a gunsmith
30 caliber with 30 grains of powder
What caliber is it... 30-30 WIN, 32 WIN SPL, or 25-35 WIN?
The 08 is referencing the parent case, the .308, necked down to accept at .284 diameter bullet versus the .308 caliber. Other variations of the .308 case: .243 Win, .260 win
9mm IS the caliber. If you mean what is it equivalent to, it is approximately the same as a .38.
Not very popular
100-1000 and up depending on specifics
Caliber is the diameter of the bore of a firearm. It's expressed in hundredths or thousandths of an inch, as in .45 caliber or .380 caliber. Curiously, the actual diameter of a .38 caliber slug is 0.357 inch.