With the new Tokyo Marui Glock 19 Gen 3 GBB Pistol finally released, Mach Sakai gets to be one  of the first to review this pistol. This has improvements such as a new blowback engine with a large cylinder that is 15mm in diametre. This will also fit most holsters available in the market as well. He checks it for performance in this quick steel challenge which shows it to a be very responsive.