Samoon Enhanced Blowback Kit For GHK AKM GBB Airsoft Rifle Inner-Barrel-Length-(mm)_65 Battery Level Indicator (Red /

Battery Level Indicator (Red / Green Lights)

Short-circuit protection

Note that the tolerance level and precision of these parts far surpasses most parts on the market

Marui MWS Outer Barrel Adaptor (MWS013)

Suitable for Umarex/ VFC HK416 Series Airsoft Gas Blow Back GBB Rifle

Samoon Enhanced Blowback Kit For GHK AKM GBB Airsoft Rifle Inner-Barrel-Length-(mm)_65 Battery Level Indicator (Red /Samoon Enhanced Blowback Kit For GHK AKM GBB Airsoft Rifle Steel Construction Airsoft Enhanced Blowback Kit Design For Upgrade the Original Internal Parts More Durable Able To increasing the blowback recoil performance by up to 40% Suitable For GHK AKM Gas Blow Back GBB Airsoft Rifle