Complete cylinder set for Well MB4401,02,03,06,07,08,09

Complete upgrade cylinder set for Well MB4401,02,03,06,07,08,09 (not fit in MB4404,05,10,11,12).   Include piston, spring, and spring guide.

Durable cylinder is required in case of any upgrade. Stock cylinder is made of aluminium and weak. It is easy to damage it with stronger upgrade spring. Our AirsoftPro steel cylinder was made on CNC machines.

Steel cylinder head made on CNC machines. Rubber pad safe your cylinders. Body has blackening surface.

Piston body is made on the CNC machines with the blue surface, piston head has rubber pad o-ring.

Spring guide is made from one steel block,CNC machined and blackened.

Spring is specially designed for this set. It is smaller compare to other sniper rifles spring, because it must fit in a small space. Due to 45 degree trigger system we cant offer very strong spring. Catch could not hold it. So set include spring equal to M140.

Set is supplied assembled.

any upgrade. Stock cylinder is made of aluminium and weak. It is easy to damage it with stronger upgrade spring. Our AirsoftPro steel cylinder was sucessfully tested on the strongest springs.

This model is suitable for (M4 screw holding cocking handle):

• Well MB4401
• Well MB4402
• Well MB4403
• Well MB4406
• Well MB4407
• Well MB4408
• Well MB4409

Not suitable for Well MB4404,05,10,11.

Cylinder is compatible for the factory original or AirsoftPro pistons or cylinder heads.  It is made on high precision CNC machines in the Czech Republic.

Length: 194mm without handle pin
Total Length: 245,5mm
Inner diameter: 19,95mm
Outer diameter: 22,05mm

NOTICE

Over the years Well company has changed the size of the screw holding the cocking handle from M3 to M4. Check the size of the screw in your gun before purchasing.
This cylinder is designated cylinder for the M4 screw (production approx. 2017 and beyond). And this is the reason why does not fit into Tokyo Marui AWS.