GBB Hop-Up Bucking-Hard※3.UL.HOPUP.GBB- 202505-0-004
 
Features
· High quality, durable silicone rubber construction
· Compatible with most Airsoft GBB barrels
· Improves accuracy and consistency
· Easy to install
Manufacturer: Ultraforce 
Specifications:
Compatibility: For Tokyo Marui, VFC, KJW and other compatible Airsoft GBB hopup units
Material: Silicone Rubber
 
The Run In Workshop flat hop hop-up bucking for the TM M4 MWS with nubs designed for use with flat hop style hop-up chamber. The solid construction and two optional rubbers offer added stability and consistency on a shot-to-shot basis
 
Compatibility:
Tokyo Marui M4 MWS GBBR Series