Cartridge is from Ammo Manufacture: Atomic 180 Bonded Match HP (supplied by IC 7/2015)
Ballistics Information: 10mm Auto
Muzzle Velocity: 1225 fps
Muzzle Energy: 600 ft. lbs
Pictures: Before/After disassembly:
Brass Make/Headstamp: Star Line - Nickel
Bullet Make/Weight/Construction/Info; Length 0.6125"/Dia.0.3995": Rainier 180gr. BJHP
HP Depth 0.1720" / HP Dia. 0.1500"-0.1289" / Meplat Dia. 0.2850"
Actual weight 180.8 grains (copper plated bonded Hex segmented)
C.O.A.L.: 1.2565"
Case: Diameter 0.4220" Crimp Diameter 0.4215" *crimped heavy Length 0.9870"
Primer: Large Pistol Nickel color
Powder Description/Positive ID/Type/Charge Weight: ? LOVEX D036-03 ? 8.6 grains**
*(bullet's nose was slightly crushed)
Intercooler's test numbers
EAA Limited Pro 4.75" 1118, 1123. Average = 1120.5 FPS/ 502 LBS
EAA Super Match 6" 1154, 1169. Average = 1161.5 FPS/ 539 LBS
**This LOVEX powder is similar to AA5 No.5 8.8 gr @ 1179 fps 36,300 PSI
(https://s20.postimg.cc/qmh9ngxe5/IMG_0013_zpsab4hm8zf.jpg)
(https://s20.postimg.cc/ohwwme3h9/IMG_0014_zpsa6txmgxb.jpg)
(https://s20.postimg.cc/fa4o5p44t/IMG_0015_zpsyb0jg0wi.jpg)
(https://s20.postimg.cc/xcxqwx7p9/IMG_0016_zpsxzckbeke.jpg)
Different than Underwood and would need 10+grs to get the 1225 FPS?