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The grains of a bullet, be it black powder or not , is the weight of the bullet. Lets say you have a .50 caliber rifle, and fire a 250 grain bullet at a target and hit dead center. Then fire a 300 grain bullet, that bullet will hit slightly lower on the target , but will have more force or stopping power" due to the weight. So the higher the grain the heaver the bullet.
Yes, they do shoot the same projectile although the 22-250 takes a heavier charge of the same powder over the .223.
The bullet is 22/100ths of an inch in diameter.
yes
NO! Different cartridge entirely. The 250-3000, also known as the .250 Savage has a 25 cailber bullet, the 22-250 a 22 caliber bullet. See link below.
It depends on how thick the Kevlar vest is.
600 NE- 900 gr bullet, 145 gr Winchester 760 powder (slightly compressed) 700 NE- MAX 250 gr VVN powder + 2 gr Bullseye as a base charge.
.223
Thw speed of a bullet train is about 250 MPH. and a normal train may travel at 90 ( 100 at the most) Hope this helps :)x
The velocity will vary depending on the load of the cartridge. Factory loaded 250 grain .44 magnums are rated at 1760 fps from a Marlin lever action rifle with a 20 inch bbl. I would expect another 100 fps from a lighter, 180 gr bullet. Your best answer may come from Marlin- 1-800-544-8892 is Customer Service.
200, 225, 250
250 grains is approx. equal to 1/2 Troy Oz. At current (01/17/14) silver price of $20.29/Oz. 250 grains is worth about $10.50. (Actual conversion is: 1 grain = .00208333 troy ounces, therefore 250 grains x 0.00208333 Oz./grain = 0.5208325 Troy Oz. x $20.29/Oz. = $10.567691