Cartridge is from Ammo Manufacture: Trident 180gr ZERO JHP
Ballistics Information: 10mm Auto
Muzzle Velocity: 1250 fps
Muzzle Energy: 624 ft. lbs
Brass Make/Headstamp: Star Line - Brass
Bullet Make/Weight/Construction/Info; Length 0.6125"/Dia. 0.4010": 180gr. ZERO JHP
depth 0.2300" / inside Dia. 0.1235" / mouth Dia. 0.1670"
Actual weight 180.2 grains Crimp squeezed bullet to 0.3995"
C.O.A.L.: 1.2565"
Primer: Nickel color
Case: Diameter 0.4215" Crimp Diameter 0.4210" (Tight) Length 0.9875"
Powder Description/Positive ID/Type/Charge LongShot Weight: 9.0 grains
Tested in 10mm S&W 1006 5" 1282 fps / 1311 fps June 8, 2013
Cases expanded to 0.4280" / 0.4280", primers slightly flattened, cases look good some stress.
(https://s20.postimg.cc/3l04na78t/IMG_0605_zps8ca03787.jpg)
(https://s20.postimg.cc/62bvuk6kt/IMG_0606_zps26c3e299.jpg)
(https://s20.postimg.cc/5pkhoe3ql/IMG_0608_zps5ef0dc8c.jpg)
(https://s20.postimg.cc/ounqy6d9p/IMG_0609_zps1c030242.jpg)
Intercooler, I couldn't find the original advertised velocity and energy for the Trident round...I guessimated them...
1250 is what the sheet has. David got less than the Atomic which has 8.6gr's. My results should give about 1300 FPS when I test them this week.
1300fps would be pretty sweet for that load.
Tested in 10mm S&W 1006 5" June 8, 2013
Trident 180gr ZERO JHP 1282 fps / 1311 fps
1268 here. I would say in the ballpark.