Unequal Upgraded Spring Kit For SRB Series
$10.99
{{option.name}}:
{{selected_options[option.position]}}
{{value_obj.value}}
How to upgrade Use a screwdriver to disassemble the gun body casing, rotate the button at the back of the gearbox, remove the original spring, and replace it with a new one. Upgrading the firing rate is effortless! With the spring FXT WORKS provided, enjoy reliable performance at 250-270 fps for the SRB400 / SRB400-SUB / SRB1200 / SRB375M.
Show More
Show Less