COWCOW Technology CNC Aluminum Blow Back Unit for Marui Model 17 GBB Capacity-(rds)_320 Metal slide with grip serrations

Metal slide with grip serrations and realistic coating

G&P or other compatible Airsoft AEG

and full marking of the pistol

Z Tactical zTEA Hi-Threat Tier 1 Headset  (FG)

Continuous 700Rds of capacity is surpass cover fire for most competition & skirmish airsoft game

COWCOW Technology CNC Aluminum Blow Back Unit for Marui Model 17 GBB Capacity-(rds)_320 Metal slide with grip serrationsCOWCOW Technology CNC Aluminum Blow Back Unit for Marui Model 17 GBB CNC Aluminum Construction Ultra Lightweight Design Durable Construction Prevents Flexing and Warping Under Hard Use Provide Stable and Smooth Blowback Cycling Perfect Fit with COWCOW CCT TMHC 054 piston head and CCT TMG 042 & 043 loading nozzle Suitable for Toyko Marui G17 Series Airsoft Gas Blow Back GBB Pistol