Looking for some one experienced with a 22 cal eagle claw and slugs. Size?

[Bill1025]

Just got the Seneca found pellets it like but nothing on utube where to start diameter

 

[JamesD.]

.2175" is usually where you start.

NSA offers smaller OD down to .2155" 

https://nielsenspecialtyammo.com/collections/22-caliber