Vipertech

FOR VIPER M4 Fully CNC machined and coated with hard anodizing in MIL-STD (M3 Screw) Recommended fastening torque 1.96 N.m Please use torque wrench and threadlocker Piston bore diameter: 19mm For airsoft use only

FOR VIPER M4, SR15, SR16 Includes: steel bolt carrier, aluminum nozzle set, disassemble heavier mass, steel nozzle guide Steel Bolt Carrier and Steel Nozzle Guide: Fully CNC machined with manganese phosphate surface treatment Aluminum Nozzle Set: Fully CNC machined and coated with hard anodizing in MIL-STD (M3 Screw) Recommended fastening torque 1.96 N.m...

FOR VIPER M4, SR15, SR16 Includes: disassemble heavier mass Fully CNC machined with manganese phosphate surface treatment (M3 Screw) Recommended fastening torque 1.96 N.m Please use torque wrench and threadlocker Piston bore diameter: 19mm For airsoft use only