I believe there's a typo in your question. "Headtsamo" doesn't appear to be a recognized term related to firearms or any other field where "caliber" is typically used. Caliber refers to the diameter of a firearm's barrel, usually expressed in millimeters or inches.
To answer your question accurately, I need more information. Could you please clarify what "headtsamo" refers to? Perhaps you could provide:
- The full name of the firearm or weapon: Knowing the make and model will help determine the caliber.
- A picture or description of the weapon: This visual aid could help identify the firearm.
- Any markings on the weapon: Firearms often have markings indicating their caliber.
Once I have this information, I can help you find the correct caliber.