This is the 163 GR FP  for the .41 MAG or 41 Action Express.
This bullet has no crimping groove and was designed for the AE.

This bullet is sized to 0.410"

Prices:

            100        $  8.68
            500        $27.40
            1000      $51.79

 

This is the only bullet that I cast for the 41 Action Express.  However, some folks are reloading it as a light 41 MAG bullet. Remember, you must use taper crimp.