KSC System 7 USP Complete Disassembly

The KSC System 7 USP is an exceptionally performing gas blow back airsoft pistol.  It kicks nicely and muzzle velocity readings are relatively high.  However one has been sent in for repair of intermittent gas leaks and requires disassembly to fix.

Fixing Airsoft Gas Blow Back Handgun – WE Tech F226

Do your BBs roll out of your inner barrels when your airsoft gas blow back sidearms are tilted downwards? Do your bbs land at varying range despite a full charge of gas? Are your groupings consistently wider than five inches within thirty feet? If you are experiencing any of these, your airsoft sidearm may need …