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USMCforLIFE
05-19-2012, 5:23 PM
heres a question i have a rock river elite operator 2 chambered in 223/5.56 can i put a different caliber upper on it?

FourLoko
05-19-2012, 5:27 PM
yes

what did you have in mind?

USMCforLIFE
05-19-2012, 5:29 PM
no idea yet i already have a DPMS 308 but i cant bring it in state because california banned them. i would like to do a 6.8

FX-05 Xiuhcoatl
05-19-2012, 5:30 PM
yes you can, AR15's are is like a leggo, buy it an stick build it on your own.

USMCforLIFE
05-19-2012, 5:32 PM
so there is no difference between a 5.56 lower and 6.8 lower?

tomd1584
05-19-2012, 5:33 PM
No. nothing other than the rollmark.