Description
HPA System Bundle HK Army Tank, HPA Line, MRS Regulator 11.1v the special design on piston 77200032 the special design on piston head can let the O ring always in prefect condition The unique 2 stage trigger mechanism allows shooters to adjust the pull length of the stock while in a variety of shooting positions What sets this regulator apart from competing models is its integral on off valve The biggest benefit of the wide bore line we use is that it allows for more air passage than traditional 6mm macro line