RWA CNC Systema PTW Hop-Up Review
OptimusPrime
12 Nov 2014
Jonathan Higgs reviews the hop-up designed by RedWolf Airsoft's RWA to improve on the System PTW Hop-Up in this video from Airsoftology... "RWA PTW Adjustable Hop-Up Frustrated with the challenging-to-adjust stock Systema PTW hopup? We may have found the answer to your woes from Redwolf Airsoft."