Zinc alloy AK HopUp chamber. Can be attached to gearbox directly for testing purpose. Small plastic parts are included. Also include HopUp bucking.
SHS Airsoft is one of the leading airsoft suppliers from Hong Kong, selling a large variety of AEG upgrade parts. It‘s very well known for their well-priced upgrade parts, such as their motors, gearboxes, gear sets, cylinders, barrels and hop-ups.
SHS also includes the Super Shooter brand (premium SHS parts) and PPS (accessories and parts for gas and sniper rifles).