Hop Up Bucking (Part No. 158 / 159) For all electric KWA / KSC rifles Category_GBB G-Series HFC22 Gas Power (Muzzle Velocity)

HFC22 Gas Power (Muzzle Velocity) 330 FPS (Top Gas Test @ 25°C Room Temperature) Manufacturer Umarex Package Includes Umarex H&K USP Tactical GBB Pistol

Weight : 220g

: AK-KP01-01

Neutral Transmission

: GLK-87(A)

Hop Up Bucking (Part No. 158 / 159) For all electric KWA / KSC rifles Category_GBB G-Series HFC22 Gas Power (Muzzle Velocity)The KWA E 14 bucking fits all electric KWA rifles, including the AEG and ERG series. Occasional replacement will help restore accuracy and prevent jamming. On respective diagrams, the bucking appears as KM4 AEG and RM4 part 159 and VM4 part 158. This part fits all KWA AEGs, including the AEGs 2, 2. 5, and 3.