♦ FOR VIPER M4, SR15, SR16
♦ Include: steel bolt carrier (VIPER-M4-001), PFAS (VIPER-M4-037), disassemble heavier mass, steel nozzle guide (VIPER-M4-004)
♦ Steel bolt carrier: full CNC machining, manganese phosphate surface treatment
♦ Aluminum nozzle set: full CNC machining, coated with hard anodizing in MIL-STD
♦ Steel nozzle guide: full CNC machining, manganese phosphate surface treatment
♦ Recommended to use gas magazine
♦ Piston bore diameter: 19mm
♦ (M3 Screw) Recommended fastening torque 1.96 N.m
♦ Please use torque wrench and threadlocker
♦ Can be used with universal screwdriver (Z-TOOL-002)
♦ The position of negative pressure part is adjusted too far forward or too far back will result in poor function.
♦ Adjustable initial speed and clear positioning
♦ Taiwan Invention Patent No. I894641
♦ Japan Invention Patent No. 7610298