Time to grab some popcorn, beer, or soda again as you are in for a good list of YouTube videos from Airsoft Taiwan  and RA-Tech showing tests, upgrades, howtos, and product presentations. The products covered here are gas blowbacks from KWA, G&G Armament, GHK, and the upgrade parts from Maple Leaf and RA-Tech. Some may have already been posted previously, but here they are again just to give you some form of entertainment if you're not busy surfing porn sites.

Recoil Test RA -TECH Custom G5

GHK G5 Mags Fit with RA KAC 3rds Burst Version

AST Maple Leaf Hybrid Hop-Up Debut

AST How to Install Hybrid Hop-Up Rubber

AST RA-TECH Brass Outer Barrel

G&G M4 GBB

AST RA KWA Vector Recoil Buffer

AST RA CNC Stainless Frame

RA-TECH Brass Outer Barrel

RA TECH CNC Stainless Frame

RA TECH KWA KRISS VECTOR STEEL RECOIL BUFFER