For your next ASMR session with 4UAD Smart Airsoft it's aboutt the Archwick B&T USW-G. This is a fully licensed kit from B&T via ASG that is made by Archwick of Taiwan. This allows the use of the Tokyo Marui Glock 17 or WE G18 gas blowback pistols with ths CCK to work like the B&T USW.