10mm-Auto

10mm Ammuntion => Factory 10mm Ammo pull-downs => Topic started by: The_Shadow on October 25 2013 07:36:14 PM MDT

Title: Norma 170 grain JHP (ORIGINAL) Pull-Down
Post by: The_Shadow on October 25 2013 07:36:14 PM MDT
Cartridge is from Ammo Manufacture: Norma 170 grain JHP
Ballistics Information: 10mm Auto
Muzzle Velocity: 1270 fps
Muzzle Energy: 608 ft. lbs
Brass Make/Headstamp: Norma – Brass (weight 77.8 gr.)
Bullet Make/Weight/Construction/Info; Length 0.6265"/Dia. 0.4000": 170gr Norma JHP
Actual weigh 170.0 grains  Crimp Diameter 0.3995"
HP depth  HP 0.1550" / HP dia. tapered / mouth 0.2410"
C.O.A.L.: 1.2500"
Primer: Nickel color (NP)
Case: Diameter 0.4225" Crimp Diameter 0.4220" (tight) Length 0.9880"
Powder Description/Positive ID/Type/Charge Weight: ? NORMA R-123 ?  12.8 grains
(short rod shaped, some golden and some darker, some rod are perforated hole in the middle)
(Vihtavuori Powders exhibit many of these characteristics)
Tested Velocity: 1270 fps

(https://s20.postimg.cc/pp6nwwqq5/IMG_0292_zpsb2f2ef47.jpg)

(https://s20.postimg.cc/q1y233gpp/IMG_0294_zps09970a62.jpg)

(https://s20.postimg.cc/79m6zis19/IMG_0296_zps51852a49.jpg)

(https://s20.postimg.cc/8bwdi2ikd/IMG_0297_zps4d61d946.jpg)

(https://s20.postimg.cc/k10d61h8t/IMG_0299_zps227e4cfc.jpg)

(https://s20.postimg.cc/l3ajol7rx/IMG_0298_zpsa795c905.jpg)
Title: Re: Norma 170 grain JHP (ORIGINAL) Pull-Down
Post by: The_Shadow on October 25 2013 09:16:27 PM MDT
Here is a close-up of the powder from the Norma 170 cartridge...
(https://s20.postimg.cc/l3ajorn99/Norma_R-123a_zps9a134578.jpg)
Title: Re: Norma 170 grain JHP (ORIGINAL) Pull-Down
Post by: Intercooler on October 26 2013 03:16:03 AM MDT
Good photos! Norma still makes powders and I wonder how they compare?