PIRANI SPRING TOP 90
Springs made in Italy, with ground and self-centering support surface, spring force identification color. Anti-corrosion treatment, variable pitch spring. Made with pre-hardened steel. The springs were tested on a modified VFC M4 with two bearings, normal stroke, 270mm barrel, exhaust hop up and 0,20gr pellets, giving the values expressed by the spring
Produced within the 'PIRANI SPRINGS' plant. Using all their experience, they have designed, built and tested the BASIC, already making significant improvements compared to the most used brands, but above all they have designed, built and tested one by one the TOP, the flagship of the company, which will guarantee your ASG all the ITALIAN ENERGY needed to make your challenges more exciting.