Expand the modularity of your HUB Socket Silencers. The KeyMo changes your HUB Socket Silencers from a direct-thread to quick attach, making it compatible with any of our muzzle brakes or flash hiders. If you're one of the many owners of a SilencerCo Saker or Omega and have ever longed for a simpler and more reliable mount, your salvation is here. The KeyMo also gives your SilencerCo Omega and Saker a much-needed upgrade. Simply unscrew your existing mount, and thread the KeyMo on.