No. A smaller caliber will either not fire at all, or will split the cartridge casing if it does fire.
Negative, 308 is a 30 caliber bullet and 30 doesn't fit into 25.
25-06: The 25 means that it is a 25 caliber. The 06 means that it is a longer bullet than a regular 25 caliber bullet
It is .25 caliber.
No.
It disrupts the integrity of what it hits.
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.
The answer to the question is, no. The bullet in a .25 is a little larger in diameter than the .22. Beyond the question, as a general rule, you should never try to fire any ammo in a gun other than what the gun is designed to fire.
6.5 millimeters IS the caliber. 6.5 mm is approximately .25 of an inch.
No. They will not fit. Trying to force a pellet of an incorrect caliber into an airgun can break it and potentially hurt the user.
It depends. A box of 10 .50 BMG cartridges are something like $25 or $30. .50 AE is much cheaper. There are also other types of 50 caliber ammo and bullets.
If you're talking about the difference between a .22 short or long rifle and a .25 ACP, the .22 is a rimfire cartridge and the .25 is a centerfire. Also, the .25 is .03 of an inch larger in diamter.
Generally it is a small concealable auto loading pistol of limited power. It takes its name from the .25 ACP cartridge that it fires. It is called .25 caliber (notice the decimal point?) since the bullet it fires is about 25/100ths of an inch in diameter.