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AirsoftPro CNC steel cylinder for WELL MB4404, MB4405, MB4410, and MB4411 airsoft sniper rifles is a reinforced upgrade cylinder designed for the specified WELL spring-powered sniper rifles. Its all-steel construction significantly increases durability when using high-power springs and eliminates the risk of deformation or the cocking handle pin pulling out of the cylinder.

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The AirsoftPro cylinder is manufactured from a seamless steel tube with a permanently welded steel cocking handle pin. Both parts are joined by four welds, which are then ground smooth to ensure reliable operation inside the rifle. The entire cylinder is produced on precision CNC machines in the Czech Republic and features a chemical black oxide finish that improves corrosion resistance. For maximum service life, we recommend cleaning and lubricating the cylinder regularly, just as with real firearms. It is not compatible with Tokyo Marui AWS (L96) sniper rifles or WELL MB4401, MB4402, MB4403, MB4406, MB4407, MB4408, and MB4409 models.
The seamless steel tube and solid steel cocking handle pin provide excellent strength, even with very powerful upgrade springs.
The pin is welded at four points and ground smooth to ensure reliable and smooth operation.
Precision machining ensures excellent fit, accurate dimensions, and full compatibility with the intended rifle models.
The black oxide finish protects the cylinder against corrosion. Regular lubrication is recommended to maintain this protection.
Compatible only with WELL MB4404, MB4405, MB4410, and MB4411 sniper rifles. Not compatible with other MB44xx models or the Tokyo Marui L96 AWS.
| Variants | MB4404 / 05 / 10 / 11 |
| Color | Black |
| Body/receiver material | Metal |