Zparts Viper M4 Steel Bolt Carrier
Zparts Viper M4 Steel Bolt Carrier

Zparts Viper M4 Steel Bolt Carrier

Regular price$129.00
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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

All packages are insured! :)

"Worst Case" lead times are below, but your order may ship earlier:

1-2 Month Lead Time: WE M4 depending on resupply delays.

2-Week Lead Time:  KWA Vector Adapter

2-3 Day Lead Time: Stock Adapters, Kyle/Meme Amplifiers

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