Looking to sell my heavily upgraded a&k sr25 Upgades: Shs old gen 19tooth piston Asg infinity 28tpa motor with cnc pinion gear Old gen shs piston head Aluminum oring air nozzle Systema psg1 clinder Systema cylinder head Sorbo Nuke fet Shs sr25 gears M160 spring Krytac hop up and bucking both modded for flat hop Stainless steel inner barrel G&p stubby full stock with spacer Incredible range and accuracy and quite a pretty piece Main body is wolf gray