Welcome to the Colorado AR-15 Shooters Club Discussion Forums.
Originally Posted by Graves I think aims has the 5.45 uppers. If you want some more power I think the 6.8spc is a great round between the .223 and the .308 +1 on the 6.8. What else is there? Off the top of my head: .22LR .223 .243 5.45mm 5.7mm 6.5mm 6.8mm
Forum Rules