The HW80 piston seals will work with light modification. Original post updated with more information.
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Making ASP20's viable, against SIG's ill-adviced policy - go Sqwirl, go!The HW80 piston seals will work with light modification. Original post updated with more information.
10.3s and maybe a couple hundred feet above sea levelSome questions. What pellet were you using and what elevation are you at ?