This is a Hornady SST known as the SST chambered in 6.5MM, model 26173.
Quality" continuous improvement" and innovation are the bedrock principles of the Hornady reloading division. You'll find that handloading your own ammunition custom tailored to your own shooting needs couldn't be more safe or easy with the tools provided by Hornady.
Features:
Increased bearing surface
Aerodynamic profile
Expands quickly and reliably