This Rusan Pulsar Krypton Reduction Ring allows you to ditch the standard Pulsar Krypton attachment and utilise the awesome Rusan Adapters, the best solution for clipping on your Pulsar Krypton to your day scope.
You will require a Rusan Adapter Ring for each day scope you wish to attach your Pulsar Krypton to. No more shims or inserts.
Please note, this model has the ability to adjust the reduction with.