AirsoftPro Steel Cylinder for WELL MB44xx (M4 Thread) | ANAREUS View larger
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AirsoftPro Steel Cylinder for WELL MB44xx (M4 Thread)

AirsoftPro steel cylinder for WELL MB4401 is a reinforced upgrade part designed for WELL MB44xx airsoft sniper rifles with an M4 bolt handle screw. Thanks to its robust all-steel construction, it easily withstands the use of powerful springs, prevents deformation of the bolt handle mount, and provides a reliable solution for high-performance upgrade builds.

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  • Black
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AirsoftPro Steel Cylinder for WELL MB44xx Rifles

This all-steel cylinder is designed for WELL MB4401, MB4402, MB4403, MB4406, MB4407, MB4408, and MB4409 sniper rifles equipped with an M4 bolt handle mounting screw. Compared to standard cylinders, it offers significantly greater resistance to the high stress generated by powerful upgrade springs. The cylinder is manufactured from a seamless steel tube, while the steel bolt handle mounting pin is securely welded at four points and then polished to ensure smooth bolt operation. The surface is protected by chemical blackening for corrosion resistance. Before ordering, we recommend checking the diameter of the bolt handle mounting screw, as older WELL models use an M3 screw.

Key Features

All-Steel Construction

Made from a durable seamless steel tube for maximum strength, even when using powerful upgrade springs.

Securely Welded Bolt Handle Mount

The steel mounting pin is welded at four points, significantly increasing resistance against pull-out during cocking.

Precision CNC Manufacturing

Manufactured in the Czech Republic using CNC machining for precise dimensions and smooth operation.

Chemically Blackened Finish

The blued surface protects the steel against corrosion. Regular lubrication is recommended for maximum service life.

Designed for M4 Screw Versions

Compatible only with newer WELL MB44xx rifles using an M4 bolt handle mounting screw.

Technical Specifications

  • Part Type: Cylinder
  • Material: Steel
  • Finish: Chemical black oxide (bluing)
  • Manufacturing: CNC machined in the Czech Republic
  • Compatibility: WELL MB4401, MB4402, MB4403, MB4406, MB4407, MB4408, MB4409 (M4 bolt handle mounting screw)
  • Not Compatible With: WELL MB4404, MB4405, MB4410, MB4411, and older models with an M3 screw

Package Contents

  • 1× AirsoftPro Steel Cylinder for WELL MB44xx (M4 Thread)
VariantsWELL MB44xx – M4
ColorBlack
Body/receiver materialMetal