For their honest review, 4UAD Smart Airsoft feature the Maruyama SCW9 Pro GBB Submachine Gun. The Maruyama SCW-9 PRO-G GBB SMG, inspired by the U.S. Army's newest submachine gun, boasts excellent ergonomics with easy-to-reach controls and a unique, quick-deploying stock that extends with a simple pull, eliminating the need for buttons. This ultra-compact SMG offers three magazine options in varying capacities, and its high bore axis allows for comfortable use with a low-mounted red dot sight, making it easy to transport in a small bag.