You mentioned you got a preproduction valve. The one I ordered was VERY well machined no rough edges etc. I've installed because i needed a extra valve for the other gun and wanted to try something from ARS. The Blow back 'feels' crisper but that is very subjective. There was little to no FPS difference that I wouldn't just chalk up to temperature variance and chrono error.
Do you know what ruins airsoft?
(Chair), (Drama), (Air), (Sugar) softers, filthy casuals
Originally Posted by mcguyver
it would appear I am not first up in this gang-bang
WANTED PTW Receiver PRIME, STG, Factory