I went to the range today and got a chance to try some of the Mihec .453 boolits. They were shot off a sand bag sitting down at 25 yards.
Boolit: Mihec .453 aprox 202 grains lubed
Sized at .452
Lube: Jakes Purple
Case: Starline
Powder 5.3 grains W231
Primer: Wolf Large pistol
OAL: 1.210
Gun: S&W 625 revolver with 5' Barrel
Recoil: Moderate to Light (Keep in mind heavy gun)