A good look at the B&T AIR APC9 K PRO/SD Compact AEG by Mister Moro in this Hyperdouraku review... "The APC9 K, a 9mm submachine gun (SMG) from Swiss firearms manufacturer B&T, was adopted by the U.S. Army in 2019 and the U.S. Air Force in 2020. The adoption of a submachine gun by the U.S. military for the first time in a long time has generated a lot of buzz in Japan, with various companies creating airsoft gun models.