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-   -   teach me! (http://www.firearmstalk.com/forums/f18/teach-me-32807/)

moneymaker17 10-08-2010 07:55 PM

teach me!
 
can someone please explain to me caliber sizes
like
a .300 bullet?????
444??????


teach me about this!!!! :confused::confused::confused::confused:

Greebo 10-08-2010 07:58 PM

Caliber - Wikipedia, the free encyclopedia

you will get tons of information here

c3shooter 10-08-2010 09:10 PM

Wiki DOES have a good intro. However, remember that cartridges get named by people that want to sell them, so names can get screwy. The.38 Special and the .357 Magnum BOTH use a bullet that is .357 inches in diameter. There is the 9mm Makarov and the 9mm Parabellum that do NOT share a common bullet size. Shotguns have shells measured in GAUGE, not caliber (except for the .410 shotgun, which IS a caliber) Gauge is based on the number of round lead balls that just fit the barrel that total up to one pound. So a 10 g would have a ball weighing 1/10th of a pound, a 12 g 1/12th, a 20 g 1/20th, and so on.

A name may be added to the numbers to designate a different cartridge of a similar size, different shape, such as the .300 Whisper, the .505 Jeffries, etc.

Dillinger 10-08-2010 10:15 PM

And then there is that bastard Ackerly that everyone likes so much. :p

lonyaeger 10-08-2010 11:14 PM

I know, I keep hearing "my Ackley Improved this, my .280 Ackley that."

Who has experience with this cartridge and why is it so revered?

jpattersonnh 10-08-2010 11:57 PM

Quote:

Originally Posted by lonyaeger (Post 365309)
I know, I keep hearing "my Ackley Improved this, my .280 Ackley that."

Who has experience with this cartridge and why is it so revered?

Faster!! More economical. Not a barrel burner. Power, power, power.
223 Rem + 223 AI Cartridge Guide
223AI Load Data


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