Hyperdouraku reviews the Westerm Arms Shibuya Bereyya M2FS Inox Gas Blowback Pistol. The Inox means it has an inoxidizable finish which is the first that Beretta released with that kind of finishing. The Western Arms version is the Heavy Weight (HW) construction. It has a red dotted front and rear sights with original markings and has a 6.03mm inner barrel for more accurate shooting.
Read the full review here and below is the video overview: