Description
Guarder is a world-renowned Taiwanese manufacturer of high-quality airsoft upgrade parts.
With its non-linear design, GUARDER springs offer consistent power over more than 100,000 shots. To convert to feet per second (fps) simply multiply by 3.28 e.g. SP90 - 90m/s - 295fps.
Product contents
- 1 x Guarder brand SP90 spring.
SP90 GUARDER spring