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Most Popular Zparts Viper M4 Steel Bolt Carrier 65% Off - Today Only [sRMTdZEw]

$25.99 $83.99 -69%

FOR VIPER M4, SR15, SR16Includes: disassemble heavier massFully CNC machined with manganese phosphate surface treatment(M3 Screw) Recommended fastening torque 1.96 N.mPlease use torque wrench and threadlockerPiston bore diameter: 19mmFor airsoft use

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Most Popular Zparts Viper M4 Steel Bolt Carrier 65% Off - Today Only [sRMTdZEw]

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

What Our Customers Say

January 24, 2026

Absolutely no complaints!

It's a very efficient and powerful tool.

- Declan B..

January 24, 2026

Absolutely no complaints!

I'm very pleased with this gadget.

- Ignacio K..

January 24, 2026

Absolutely no complaints!

A product that delivers on its promises.

- Jose C..

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