Airsoft Masterpiece Brass Hop-Up Base for Marui 1911 GBB Pistol

Airsoft Masterpiece Brass Hop-Up Base for Marui 1911 GBB Pistol Brass Construction Design For Upgrade your Hop Up Base More Durable This base is built to withstand the rigors of prolonged green gas or Co2 use Suitable for Tokyo Marui 1911 Series Airsoft Gas Blow Back GBB Pistol