Gunsmith Baton got this quick overview of the Baton Airsoft BH-USP Tactical CO2GBB Pistol. This is an upgraded version of the USP Tactical with a threaded barrel, adjustable rear sight, and CO2 magazine. It also includes a Picatinny rail adapter and a new short recoil assist spring for more reliable operation.

A new CO2-powered USP Tactical Blowback Pistol From Baton Airsoft is available at First Japan and here is an overview video they made... "This is Maido Taketchi. I opened the newly released [BATON airsoft BH-USP Tactical CO2GBB] on 8/20 and asked Ko-chan to review it. Blowback is also quite strong. I'm honestly happy that the lineup of CO2 that operates stably regardless of the season will increase.