Maruzen KG9 SP AirSoft Gun. I had this since I was a kid and it is in used but very good working condition. Box and styrofoam show wear.Great vintage and rare piece! The item "Maruzen KG9 SP Interdynamic KG-9 Airsoft Gun Made In Japan with Box" is in sale since Saturday, February 23, 2019. This item is in the category "Sporting Goods\Outdoor Sports\Airsoft\Guns\Gas\Pistol". The seller is "zabarski" and is located in Walnut Creek, California. This item can be shipped to United States.