Well sniper M170 tuning kit

Upgrade set for Urban Sniper and WELL MB01, MB05, MB06, MB08 models

– hard alumminium piston
– Spring 550 fps
– hard aluminium spring guide with bearning

The long-awaited set of reinforced parts for sniper rifles replicas Urban sniper and MB-01, MB-05, MB-06, MB08. The set includes a reinforced aluminum piston, reinforced ball bearing%g gives power shot about 170 m/s.

CAUTION! Using upgrade kit will cancel any warranty of the gun.