Volante Airsoft Stratos BBU Brass Spring Holder for Stratos BBU for Tokyo Marui G17 / 22 / 23 / 26 / 34 & KJ G Series

The Volante Airsoft Stratos BBU Brass Spring Holder is highly durable and was made specifically for the Marui G and KJ G series (much stronger than the factory Brass Spring Holder from Marui). It was built to withstand the pressure from CO2.