GEN 2 AR-15 Silent Captured Spring Builder with Alternative Spring Pack
Includes SCS unit, alternative weight springs and spacer to allow for installation in both carbine- and rifle-length buffer tubes.
- Short-barreled rifles (SBRs)
- Suppressed weapons
- Rifles recommended to use an H2/H3 buffer
- Select-fire rifles
- Piston-operated rifles
The JPSCS2-15 will not function with older Primary Weapon Systems (PWS) bolt carriers. The design of the carrier will prevent the rifle from cycling.