Zparts Viper M4 Steel Bolt Carrier

$129.00
Unit price
per 

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

Zparts Viper M4 Steel Bolt Carrier

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