The WG-1-KARASAWA is a right arm weapon that first appeared in the original Armored Core and later in Armored Core: Project Phantasma and Armored Core: Master of Arena. The first member of of the KARASAWA line, the WG-1 is a fast firing, the fastest firing version of the line, and is absolutely devastating. It can take down almost everything within a few shots and is very devastating against most enemies that appear in the original Armored Core games.