The latest patented design Hammerhead Barrel Fin Sizer, built upon the Auto Cocker thread platform to ensure maximum compatibility and versatility.
Features:
- Add 1-inch overall length
- Female side Auto Cocker
- Male side (Select Threads) Auto Cocker, A5, Tippmann 98, Spyder
This kit contains:
1 x Barrel Fin (Select Threads)
Fin Size Included .679, .681, .683, .685, .687
- Sizer to determine which fin to use
- Grease pod for your barrel threads
- Case to hold it all