Cartridge is from Ammo Manufacture: Underwood 165gr Speer TMJ
Ballistics Information: 10mm Auto
Muzzle Velocity: 1400 fps
Muzzle Energy: 718 ft. lbs
Brass Make/Headstamp: Underwood - Brass
Bullet Make/Weight/Construction/Info; Length 0.5575"/Dia. 0.4000": Speer 165gr. TMJ
Actual weigh 163.8 grains Crimp Diameter 0.3995"
C.O.A.L.: 1.2555"
Primer: Nickle color
Case: Diameter 0.4220" Crimp Diameter 0.4225" Length 0.9880"
Powder Description/Positive ID/Type/Charge Weight: LongShot 10.2 grains (New for Underwood)
(https://s20.postimg.cc/ks1bd00v1/IMG_0919_zps86add3b7.jpg)
(https://s20.postimg.cc/5jbdz8ewd/IMG_0920_zps02b160b3.jpg)
(https://s20.postimg.cc/czanl1abh/IMG_0922_zps18f93d3e.jpg)
Interesting. I didn't realize he switched this one.