Double Bell AK Gen 2 Precision Rotary Hop-Up AIR-MOD-TOP It is also easy to HPA Engine Single solenoid 6MM-TTI-CAPA-GG SSR90 Threads:SSP18 - Clamp On (Thread Protector needed)

It is also easy to adjust tension by loosening or tightening the four front screws to reach the perfect fit

Replacement of the Internals for the Army Hi-Capa Series GBB Pistol Series

Hub Outer Diameter (to fit into Outer Barrel): min 12mm

3-Round Burst

Recommended for 300~550 FPS

Double Bell AK Gen 2 Precision Rotary Hop Up AIR MOD TOP It is also easy to HPA Engine Single solenoid 6MM TTI CAPA GG SSR90 Threads:SSP18 Clamp On (Thread Protector needed) It is also easy to adjust tension by loosening or tightening the four front screws to reach the perfect fit Replacement of the Internals for the Army Hi Capa Series GBB Pistol Series