Oi, comrades! I've been thinking about things and walked through this thing here on evike: Angel Custom "Diablo" CNC Hopup Chamber for VSR-10 Airsoft Sniper Rifles (w/ Bucking) | Evike.com It uses AEG barrels and Angel customs also provides such buckings: Angel Custom "Elongated" VSR-10...

I own a JG VSR10 with a few upgrades in it. I have bought steel trigger and piston sears, and put in an Angel Customs 550 FPS spring, spring guide and piston. I have two current problems with these upgrades. For some reason, once every few shots the trigger will not release the sear. It...