Mike e-mailed me this back in May, not sure if it's still current but I hope it helps:
"Benelli M1/M2 Race Package - $795
Aftermarket Parts (installed)
- Nordic Components Extended Magazine Tube
- Nordic Components Barrel Clamp w/Sling Swivel Stud
- Nordic Components Oversized Bolt Handle
- Arredondo Oversized Bolt Release
- Hi-Viz Competition Fiber Optic Bead w/Interchangeable beads, pinned
Bolt Modifications
- Lighten w/Serrations
- Ghost Loading Mod
- Reliability Enhancements
Lifter Modifications
- Weld Lifter
- Refit & Tune Lifter
Loading Port Modifications
- Machine Loading Port
- Polish & Smooth Loading Port
- Adjust Shell Gate
Forearm & Stock Modifications
- Texture Checkered Area on Forearm
- Texture Checkered Area on Stock
The race package includes all of the above as well as complete disassembly, thorough inspection, and any necessary tuning to ensure 100% reliability The trigger will be polished and cleaned up to remove excessive creep; a crisp break is our goal. Shotgun will be test fired to further ensure reliability and functionality."