Ozashiki Tactical checks the Marushin Kogyo Nambu 14 Handgun Early Model HW that fires the 6mm BB round as other models use the 8mm BB. This is probably a 2020 version, which is an excellent heavy-weight model with a wood grip, manufactured by the Marushin Factory in Japan. It measures 229mm in length and weighs 705g. The materials used include plastic, alloy, and walnut wood. The magazine has a capacity of 12 rounds of 6mm BBs.
In Mach Sakai's hands is the Marushin Nambu 14 Late Model GBB Pistol which is based on Type 14 classic pistol in World War II used by the Japanese Imperial Army. This mainly made of ABS and metal with he trigger guard enlarged for shooters with gloves unlike the earlier model. This comes with the adjustable LD-2 hop-up system.