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Posted On: 1/30/2023
By: Want To Know
A: Thanks for reaching out! Federal doesn't actually publish the Punch round's FBI test protocol data, but this kind fella already did a great job addressing your question: https://www.thearmorylife.com/gel-testing-federal-personal-defense-punch-45/. You can see the test results for the analogous HST load here: https://le.vistaoutdoor.com/ammunition/federal/handgun/details.aspx?id=574
Posted On: 10/16/2022
By: Robert Glaze
A: Thanks for reaching out Robert! Ammunition that is optimized for a short barrel would not function incorrectly in a long barrel. It depends on the type of cartridge, but full-size handguns are typically considered to have 4" to 5" barrels; you could consider a barrel shorter than 4" to be "short." A cartridge receives an overpressure (+P) designation if the chamber pressure it generates meets SAAMI specifications for overpressure. For example, a 45 ACP round that generates 21,000 psi is standard pressure, whereas one that generates 23,000 psi is overpressure. SAAMI does not specify what constitutes overpressure for most cartridges, just like they do not provide specifications for +P+.
Posted On: 12/30/2021
By: Rod D
A: Thanks for reaching out Ron! I cannot promise exactly when we'll get a certain type of ammunition back in stock, and we don't have a system in place to alert our customers when ammo is back in stock. We do update our inventory very often, so I hope you'll check back in again soon!
Posted On: 1/1/2020
By: Randall Webb
A: Hi Randall. Unfortunately, the test data comes from the manufacturer and we don't have access to the specifics. Typically adding only a half inch doesn't make very much difference at all or at worse, just a few ft/sec in the overall velocity. Let me know if I can get you some on the way.