This is the 14 tooth nylon piston from SHS with factory weight reduction

520 Round Capacity

Lightweight Build That Doesn't Impede Performance

Magazine Type: High Cap

+ Robust slide and lower frame

HFC SAVAGE BULL 6" GAS AIRSOFT REVOLVER PISTOL - FULL SIZE - SILVER 130 ml This is the 14 toothSPECIFICATIONSHIGH DENSITY POLYMER FRAME, BARRELERGONOMIC GRIPBRASS SHELLSFUNCTIONAL REVOLVER AND HAMMERINTEGRATED GAS COMPARTMENTFIXED FRONT AND REAR SIGHTSFEATURESOPERATION: GASBUILD: POLYMERFIRING MODES: SEMI AUTOMATIC W FUNCTIONAL SAFETYMUZZLE VELOCITY: 290 310 FPS (W 0. 20G BBS)MAGAZINE: 6RD CAPACITYWEIGHT: 1. 7 LBSOVERALL LENGTH: 12 IN