Originally Posted by lelandEOD
RRA is Colt patterned so you can use the mags.
I also found out that I can take my Sig P229 mags and slam 'em in the magwell. They don't lock, but I can cup it with my hand and it cycles fine. Weird.
Haha, I don't want to know how you came to that discovery! But that's awesome, that means the RRA is going to the top of The List.