Unicorn Airsoft TDC Hop Up Chamber For Hi Capa GBB Airsoft

Unicorn Airsoft TDC Hop Up Chamber For Hi Capa GBB Airsoft Metal Construction Airsoft Hop Up Chamber Features TDC mechanism (Top Dead Center) Provides consistent and centered hop-up performance Suitable for long-term use Suitable For Hi Capa Gas Blow Back GBB Airsoft Pistol