3V515 prometheus flat hop up rubber

Prometheus Hop Up Rubber for Marui AEG series Rubber Construction Designed for low stress and high performance Suitable For Tokyo Marui AEG Rifle Designed to be paired with the hop buffer bridge (tensioner bridge type) and prometheus 6.03 inner barrel, great for all fps set up, especially, 400fps and above. berbeda dengan prometh ungu. SKU : 3131/1520602662292635648/55