can I put a larger cal. upper { aftermarket} on my rifle & if so what ?? & will I need new mags.
thanks
Posted: 1/2/2014 11:45:34 AM EDT
[#1]
you can install a few different calibers on your lower such as 5.45, 300blk, 6.8, 6.5, 9Para, 45acp.
308 requires a larger receiver so it's not possible to install it.
