When talking about target practice, I mean primarily rounds gathered from the backstop. However, I also tested my hog load for penetration on a 2x6 and found shed copper jackets several feet behind the target. In the pig, the only part of the bullet recovered was the jacket. The core eluded discovery.
I am updating this thread because when researching this phenomenon I read on a muzzleloading website that shed jackets from Hornady XTP rounds are due to "operator error." I was tempted to stop reading at that point because the stupidity of the phrase was overwhelming, but I soldiered on.** It was explained that loading regular XTPs to magnum velocities would almost ensure bullet failure, so muzzleloaders have the option of purchasing magnum XTPs with a tougher jacket. That does not explain what happened in this case.
Here is what it says about XTPs on Hornady's website:
"Heavier jacket stands up to the high pressures and velocities of the highest performance handgun cartridges."
One would assume then that the bullets would be more than capable of withstanding the lower pressure and velocities associated with Trail Boss. Nope. Total jacket separation using low power rounds out of a 4" barrel.
**Clearly, a rational explanation was given. But it sounded at first like they were accusing the person of shooting the bullet wrong.
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