Penetration, expansion and velocity test of the Underwood Ammo 10mm 150gr grain Nosler JHP using Clear Ballistics Gelatin. 10MM is often thought of as a hunting cartridge only. I was looking for a self defense round in 10MM that would not over penetrate and yet have great expansion. Advertised velocity of this ammunition on the […]

Watching the Alaskan Ballistics video of Underwood 10MM ammo testing in all semi autos struck a nerve and I had to break out the revolvers. Will the Underwood provide us with 700ft pounds of energy as advertised? How will the revolvers compare in Clear Ballistics Gel to the Glocks of Alaskan Ballistics in ribs and wet paper medium?

Reloading for the 10MM Revolver Have you ever seen four beautiful revolvers chambered in 10MM Semi Auto in the same video   Giving range fans a little view into reloading for 10MM revolvers. The load I show in this video are safe in these revolvers but should be double checked against your favorite reloading manual. This […]