AR-15 and AR-10, what is the difference?

[frank4570]

I know, you guys are probably rolling your eyes and shaking your heads at my lack of AR knowledge. I am a newby.

[dbotos]

caliber, mainly:

http://en.wikipedia.org/wiki/AR-15

http://en.wikipedia.org/wiki/AR-10

[biggl35]

AR15=5.56x45mm/.223
AR10=7.62x51/.308

[frank4570]

Cool. Thanks.

[demusn79]

0.085

http://i22.photobucket.com/albums/b317/demusn79/th_IM000073.jpg (http://i22.photobucket.com/albums/b317/demusn79/IM000073.jpg)