SHINSUNG CAREER II 707 PRE CHARGED PNEUMATIC AIR RIFLE .357(9MM) CALIBER. THIS IS THE FAMOUS UNDER LEVER MODEL. THIS AIR RIFLE WAS JUST SERVICED BY MAC 1 AIRGUNS CALIFORNIA, AND WORKS PERFECTLY. Replaced all o rings, reworked exhaust valve, added shim to bolt because all 9mm bolts have too much...