RST walks us through the various features of the Umarex SAA Custom SAA .45 Co2 ACE Edition Revolver as well as some shooting tests with it. This airsoft revolver is a fully licensed, metal revolver with a wood-colored plastic grip and a blue finish. It features BB-tipped .45 cartridges and has been modified to shoot 6mm BBs. It’s heavier than it looks and has an emblem on the pistol grip.