Tungsten Weight for Silent Captured Spring/VMOS™ Carrier
Designed to replace one or more of the existing weights of the JP Silent Captured Spring or VMOS™ Bolt Carrier, these tungsten weights are the standard components used for reciprocating mass in the operating system.
SCS Generation Selection
To ensure compatibility with your unit, verify that you have a GEN 2 Silent Captured Spring unit. The mass sliders of the first generation SCS are black while the GEN 2 sliders are bronze. If you need a mass for a first generation unit, contact us by phone or email.
VMOS™ carriers use the same masses as the GEN 2 Silent Captured Springs.
JPSCS-HM - First Generation mass
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