PolarStar A&K SR25 installation spacer kits are now available:
We are now producing installation spacer kits for the A&K / ECHO1 SR25 series which allows our Version 2 Fusion Engine to replace the extended Version 2 gearbox in these rifles. All that is needed is the A&K SR25 Installation Spacer Kit in addition to the A&K Masada nozzle which is ordered separately in any of three available color levels.
A&K SR25 Installation Spacer Kit (requires A&K Masada nozzle for complete kit)
MSRP: $25.00
A&K Masada Nozzle (available in BLUE, BLACK & RED)
MSRP: $25.00
