TNT APS-X Hop-Up System Kit for GHK AK GBB 6.03 407MM AK AIMS/AKMS/AKM/AK74
GHK AK series GBBR HOP-UP chamber x1+ tnt aps-x 407mm inner barrel
CNC aluminum body+anodized+T-N.T. lettering)
CNC aluminum HOP-UP adjust bar x1、PIN x1
elasticity pressure block x1
jimi screw x2
CNC aluminum adjustment knob x1
T-N.T. Located Directional Rubber for GHK-AK-GBB x1
T-N.T. Precision Aircushion Directional inner barrel x1