What caliber of the AK-47 bullets?

Question by mountain_walrus: What caliber of bullets do the AK-47 and AR-15 shoot?
What caliber of bullets do the AK-47 and the AR-15 assault rifles shoot?

Also, are the bullets difficult to find?
Are the bullets expensive to buy?

Quick answer:

Answer by Cody
AK-47 fires a .308 (also called a 7.62×51 NATO)

AR-15 fires a .223 rem (also called 5.56×45 NATO)

.223 are expensive right now due to military shortages, but both fire NATO rounds so they are relatively inexpensive. .308 are still inexpensive however.

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  1. METROPOLIS1 says

    AK47 uses the 7.62X39MM cartridge…..

    They are very cheap and plentiful / easy to find — Look Here……

    AR15 rifles use the .223 / 5.56X45MM cartridge….

    Also cheap and plentiful…. http://www.jgsales.com/index.php/ammo-for-rifles/

    Just about every sport shop shelf in North America has it…..

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