Guns Modify Zinc Alloy Hop Up Base and Adjuster Set for Marui M4 MWS GBB reg_HU The sight is end user

The sight is end user configurable to use preferred aiming solution such as a tritium lamp

G&P M249 Steel Parts (#1)

ARES Amoeba CNC M LOK Handguard for Amoeba STRIKER Series

Also be backup sight on top of magnifying scopes

Thanks to two operating modes

Guns Modify Zinc Alloy Hop Up Base and Adjuster Set for Marui M4 MWS GBB reg_HU The sight is end userGuns Modify Zinc Alloy Hop Up Base and Adjuster Set for Marui M4 MWS GBB Zinc Alloy Construction The set is designed to give finer tuning to the hop up and reinforce any short comings the stock one might have Suitable For Tokyo Marui M4 MWS Series Airsoft Gas Blow Back GBB Rifle