Cartridge is from Ammo Manufacture: Copper Only Projectile 155gr COP SCHP
Ballistics Information: 10mm Auto
Muzzle Velocity: ? fps Test 1104
Muzzle Energy: ? ft. lbs Test 419
Brass Make/Headstamp: Star Line - Brass
Bullet Make/Weight/Construction/Info; Length 0.7120"/Dia. 0.3995": 155gr SCHP
Actual weigh 154.2 grains Crimp Diameter 0.3985"
HP depth HP 0.2335" / HP dia. 0.2200" / HP mouth 0.2525"
C.O.A.L.: 1.2645"
Primer: Brass color
Case: Diameter 0.4215" Crimp Diameter 0.4200" Length 0.9870"
Powder Description/Positive ID/Type/Charge Weight: ? Tight Group ? 5.2 grains
Intercooler tested Limited Pro 4.75" 1112, 1110, 1102, 1101, 1094. Average = 1103.8 FPS/ 419 LBS
(https://s20.postimg.cc/5z51b0rq5/IMG_0071_zpsa670fa91.jpg)
(https://s20.postimg.cc/u2vszbhwt/IMG_0073_zps185166b5.jpg)
(https://s20.postimg.cc/vuoru8gp9/IMG_0074_zpsba9ad78c.jpg)
(https://s20.postimg.cc/v55zhvnvh/IMG_0075_zpsf8ecbfca.jpg)
The Barnes bullets lengths
TAC-XP bullet lengths
125grain = 0.624"
140grain = 0.682"
155grain = 0.733"
The COP 155 gr. bullet measured 0.7120"
That's good! Should be able to pack 9.0gr's of 800-X or other in there :o