6.04 SRS 22″ Stainless Steel Upgrade Barrel 578mm

-AEG spec 578mm barrel for 22″ SRS

-also fits AEG and AEG type chamber rifles, example GHK, S&T M40a3

-Japan made 306 stainless steel raw tubes

-CNC made window and milled surfaces

-Compatible with Faceless PDI R-Hop