colt s.a.a. Share definition Flag Colt Single Action Army. A cool gun. Serial number 001 is currently the most expensive handgun in the world. Me: I'll duel you with my Colt SAA Guy: the fuck old is that thing??? colt s.a.a. by Gumba Gumba April 4, 2004 0 0 Get merch Get the colt s.a.a. mug. Buy Now — $32.95 See more merch