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Old October 29, 2002, 04:15 PM   #1
Hard Ball
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Muzzle Velocity VS Barrel Length with the .223 Cartridge?

I am curious as to how much muzzle velocity is lost with shorter barrels in .223 AR15/M16 rifles. I would like to find out the MV in 20, 16, 14, 12, and 10 inch barrels when firing factory ammunition.
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Old October 29, 2002, 04:43 PM   #2
Erich
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You might dig around at AR15.com.

Here's an FAQ that is helpful:

http://www.ecis.com/~mraudio/AR15_Ammo_FAQ.htm

and here's where it gets relevant to your Q:
http://www.ecis.com/~mraudio/AR15_Ammo_FAQ.htm#velocity
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Old October 30, 2002, 10:02 AM   #3
Hard Ball
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Thanks Erich. That is excellent data.
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Old October 30, 2002, 10:11 AM   #4
Erich
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¬°De nada! They have so much good stuff over there, and at the Maryland AR15 Shooters Site. Quite the resource!
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