The JP Accessory Spring Pack comes with a multiple springs of different strength, designed to give you more customization with your Silent Captured Buffer Spring System. This will greatly increase the performance of rifles especially those without an adjustable gas block.
JPSCS-SPRING15-80: 1 side white
JPSCS-SPRING15-85: 1 side black
JPSCS-SPRING15-90: 1 side green
JPSCS-SPRING15-95: 1 side yellow
JPSCS-SPRING15-100: no color
Spare Guide Rod Retainer Screw Included
Compatible with both 1st and 2nd gen SCBSS models.