Accuracy appears to be close to, if not identical, to the Hek.
In a Conclave, this weapon can instantly kill most Tenno in one shot, including Rhinos.
When the Strun Wraith was first released, it had a critical chance of 50%, making it the weapon with the highest critical chance (prior to the release of the Synapse). This was unintended and was changed in a hotfix a few hours after release.
This weapon was a reward for surviving at least 20 minutes during the Survival Weekend Event in a single round.