Hendershot’s H-TAC 180gr FMJ (plated) ) Intercooler 12-2015

[The_Shadow]

Cartridge is from Ammo Manufacture: Hendershot's H-TAC 180gr  FMJ (plated) )supplied by Intercooler 12-2015
Ballistics Information: 10mm Auto
Muzzle Velocity: 1200 fps
Muzzle Energy: 575 ft. lbs
Brass Make/Headstamp: Star Line - Brass
Bullet Make/Weight/Construction/Info; Length 0.5995"/Dia. 0.4000":  180gr. FMJ (plated)
Actual weigh 180.0 grains  Crimp Diameter 0.3975" 
Meplat 0.2350" / flat Base
C.O.A.L.: 1.2680" (considered long)
Primer: Large Pistol Nickel color
Case: Diameter 0.4215" Crimp Diameter 0.4205" Length 0.9860"
Powder Description/Positive ID/Type/Charge Weight: Winchester Auto Comp 7.4 grains

[RDub01]

Heya Shadow
Have you chronographed these?   Hard to believe 7.4grs of anything would yield 1200fps..  Given safe pressure.

[The_Shadow]

Intercooler tested them here is what he posted;

These didn't hit the mark, but are still pretty okay for practice.

EAA Limited Pro 4.75" 1116, 1122, 1127, 1144, 1132. Average = 1128.2 FPS/ 509 LBS
EAA Super Match 6" 1135, 1177, 1185, 1167, 1161. Average = 1165 FPS/ 543 LBS

[RDub01]

Ok, that's about right..