This loading is deep penetrating and hard hitting!
There is virtually no muzzle flash.
For those of you who carry a 38 Special this is an excellent defensive load. Especially in the woods.

Velocity: 1000fps / 4" Ruger GP-100
1.875" bbl S&W – 900fps
Bullet: Keith style SWC Hardcast

Muzzle Energy: 351 ft. lbs. 4"
284 ft. lbs. 1.875"