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The AirsoftPro CNC steel cylinder for Tokyo Marui VSR airsoft sniper rifles and JG BAR-10 / WELL MB03 replicas is a reinforced upgrade component designed for high-performance manual sniper rifles. Thanks to its seamless steel construction, securely welded bolt handle stud, and black blued finish, it withstands the stress generated by powerful springs that often cause standard cylinders to fail.

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ASPRO419-120
4UAD006
4UANTUM SEAL Silicone Grease for Sealing by 4UAD in a transparent finish. High-viscosity sealing grease. Ideal for sealing repairs and preventing leaks from damaged O-rings. Suitable for electric AEGs, manual, GBB, CO2, and HPA gas guns. Content: 15 ml. Easy application with a pen applicator.
4UAD007
4UANTUM SPEED Oil for moving metal parts by 4UAD in orange oil color. Special oil for minimizing friction between metal parts of airsoft guns. Ideal for gear axles in electric AEG weapons. Also suitable for moving parts of GBB gas guns, such as hammers, slides, etc. Precision application thanks to an integrated nozzle.
The AirsoftPro CNC steel cylinder is designed for building high-performance VSR sniper rifles, where standard cylinders often cannot withstand prolonged use with powerful upgrade springs. It is manufactured from a seamless steel tube with a steel bolt handle stud securely welded at four points. The polished welds ensure smooth bolt operation, while the chemically blued finish protects the steel against corrosion. The cylinder is fully compatible with WELL MB series rifles and can also be installed in Tokyo Marui VSR-10 and JG BAR-10 rifles. However, AirsoftPro pistons are recommended for these platforms, as original pistons may bind due to the cylinder's slightly smaller internal diameter.
The seamless steel tube provides excellent strength and reliability, even when used with very powerful springs.
The steel stud is welded at four points, significantly increasing resistance against pull-out during cocking.
The chemical bluing protects the steel against corrosion. Regular lubrication is recommended for maximum service life.
All components are CNC-machined, while polished welds contribute to smooth and reliable bolt operation.
Fully compatible with WELL MB02, MB03, MB07, MB10, MB11, and MB12 rifles. It can also be used with Tokyo Marui VSR-10 and JG BAR-10 rifles when paired with an AirsoftPro VSR piston.
| Color | Black |
| Body/receiver material | Metal |