Quote:
Originally Posted by frazod
Question regarding different caliber uppers - what other calibers will work with a .556 lower?
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I was on a website months ago that listed them all out. I know they now have a .338 Lupua upper for the 5.56 lowers. Big-time range.
.308's are a cluster ****. DPMS, RR, and Armalite are all different.