In this episode I install the higher-powered Archer XP-Tuned gas valve. Said to be good for an additional 70FPS in the 160 Pellgun! With the high flow bolt assembly, in the QB78, it\’s worth an additional 130FPS. I also will be touching up the bluing on the receiver from taking it apart several times to seal it up. Besides valve mods. Here\’s the link to part 1;… And if you\’d like to donate any amount you cam, go to Paypal and use this Email; Thank you and don\’t forget to like & subscribe!