BSB MFG #7531 Stacked Spring Cup$75.00PriceAllows you to run 2 spring at the same time, changing the rate of the spring giving you more drive and better control. Comes with lock out nut and fits a 7540 slider.
BSB MFG #7531 Stacked Spring Cup$75.00PriceAllows you to run 2 spring at the same time, changing the rate of the spring giving you more drive and better control. Comes with lock out nut and fits a 7540 slider.
