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Does 45 acp run supersonic out of an 8 inch barrel
- Thread starter BigMike
- Start date
Pretty sure .45 is subsonic regardless of whether the box says so or not unless it's a hot load. Short barrel, incomplete powder burn means it will remain under the 1040 fps that is supersonic. I'm not claiming to be an expert and thought this was fairly common knowledge.
How do you like the Chrono? Seen a lot of good reviews for it.
How do you like the Chrono? Seen a lot of good reviews for it.
230 ball is advertised at 950, longer barrels can send some rounds and loads supersonic or so I've heard it said. The proof is in my pudding....or chrono in this case.
The chrono is 10/10, highly recommend. You can download the app and it will record and run the calculations for you.
Yeah definitely longer barrel has more time to burn powder and build pressure. That's lost out of a short barrel. I think that's why, for a pistol caliber, .45 is ideal for suppressor use.
My AR-45 has an 8" barrel, and I've never heard a supersonic crack using ball ammo.
When I was assembling it, I referenced "barrel by the inch" website for data to see where the cutoff for remaining subsonic with the majority of ammo was.
8" also allowed me to nest an Octane/Obsidian under the handguard, allowing for a handy package.
When I was assembling it, I referenced "barrel by the inch" website for data to see where the cutoff for remaining subsonic with the majority of ammo was.
8" also allowed me to nest an Octane/Obsidian under the handguard, allowing for a handy package.
This will. It's my deer hunting load. Works like a champ.
www.remington.com
Buy Golden Saber Defense - Full Size 45 Auto +P 27611 for USD 38.99 | Remington
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www.remington.com
I love this one so far.My AR-45 has an 8" barrel, and I've never heard a supersonic crack using ball ammo.
When I was assembling it, I referenced "barrel by the inch" website for data to see where the cutoff for remaining subsonic with the majority of ammo was.
8" also allowed me to nest an Octane/Obsidian under the handguard, allowing for a handy package.
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It seems like most auto-pistol loads don't gain much out of a longer barrel after 4-5 inches or so. Not like revolver cartridges do.
Guessing the difference is the powders used, but that's just a guess.
Guessing the difference is the powders used, but that's just a guess.
