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 Bore-Up cylinder set for SIG551/552
Bore
Up cylinder set had bean desighn specially for SIG551/552 AEG series.
Advantage of this set over standard one is greather inner diameter of
cylinder, cylinder head, pistn head and air nozzle, this allow's for use
of greather portion of air to be used for BB propultion. This set may
be used for tuning up the power of replica without changing of the main
spring.
Every part of this set in reinforced and allow's for use in hi power gearbox. Cylinder head has a doble air seal wich prevent's any air leak betwean cylinder and cylinder head. Reinforced piston head has additional bearing and has special shape so it will worck as "silent" set togather with cylinder head. This set will worck properly with main spring M120 or more.
Set includes: - Bore Up cylinder head with doble air seal - Bore Up piston head - Bore Up cylinder - Bore Up air nozzle
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All presented TOY Model BB Guns have less than 2 J of power, and are designed for adults only (18 years old and above). Shooting at people, animals and other living objects without special protection is prohibited.