SP90 GUARDER spring

Guarder is a Taiwanese manufacturer known worldwide for its high quality airsoft upgrade parts.

With its non-linear design , GUARDER springs offer consistent power over 100,000+ shots. To convert to feet per second (fps) simply multiply by 3.28 example SP90 - 90m/s - 295fps.

Product content:

• 1 x Guarder brand SP90 spring.