Reloading calibers for use in rifles?

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21H40

21H40

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I have a fun bolt action rifle in 45 ACP, and I intend to start working up loads specifically for it. All the load data I've seen appears to be designed for a 5" barrel (not exactly shocking for a pistol, right?). Conceptionally, it seems like those powders would be completely used up within the first 10" and have another six inches of rifling to slow the bullet down.

Has anyone tried using powders that are significantly slower burning for PCCs? The closest I can think of is 45/70.

I'm just getting started in reloading - it's taken me a year to find primers so I'm starting a year after gathering the rest of the equipment and materials. SO use small words and speak slowly... I'll try to keep up ;)
 
Destroyer carbine?

What your talking about makes sense. I have never seen data for what your describing though. Likely never will, and that’s because it would perform poorly in a pistol where it would likely find its way, and the volume of carbine shooters is tiny compared to pistol shooters.

Best bet is to look at burn rates for listed loads and pick one of the slower ones that you can actually find. That’s what I do with my wierd stuff like specialty pistol type stuff…except I do the exact opposite because I’m using rifle rounds in a short barrel.
 
It simple really the chamber maximum pressure is rated exactly the same, just pick the slowest powder in the load data and try that. The slowest is the one with the biggest charge weight. I would definitely be looking into the company and finding out if said rifle is rated for plus p, because I can't immage a reason it shouldn't be.
 
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Did we jump from 45 acp to 45 super.... these powders seem very slow for the application, and I was in Silhouette/true blue territory. Toss in a #5 or 7 if you have that already.
 
I shot Alliants Blue Dot powder with a home cast 200 gr lswc in my 45 acp S&W 645 pistol. 10.5 grs Blue Dot is a hot loading. Standard Brass. Work up.



45 acp brass is the weak point. Starline makes 2 kinds. 1 is heavier. Never used it. https://www.starlinebrass.com
 

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Don’t want to burst your bubble, but it may fill mine!

I was told, here on THR, that with the blowback action of the Ruger PCC, barrel length doesn’t help you.

Basically what I got was the action opens before the bullet leaves the barrel. So once you release that pressure, you aren’t gaining anything.

Someone tell me I’m wrong! I was going to do some work with 147s in 9mm. I gave up and decided to find a load that was accurate in both a G17 and a Ruger PCC. And that’s where I stopped.

Side note: Off a bench at 50 yards my groups were sub 3” with the PCC. I felt I could do better with a longer cartridge but functionally in the G17 may have suffered.
 
kalielkslayer said:
Don’t want to burst your bubble, but it may fill mine!

I was told, here on THR, that with the blowback action of the Ruger PCC, barrel length doesn’t help you.
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Mine's a bolt action, and I usually skip the magazine and treat it like a single shot. That reduces the moving parts, and (in theory) should allow loading up an efficient round. I wonder if the lighter bullet with more powder is better for this application - 185 grains is heavier than my 30.06 projectiles.
 
21H40 said:
Almost. It's an old 8mm Turkish Mauser receiver with a Rhinelander barrel:
https://www.troupsystems.com/product/mauser-45-acp-military-barrel/

It is fun, quiet, and legal for deer in Iowa. So far I've just been plinking with it at 50 yards, but I'm looking forward to loading up something specifically for it.
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Ramshot Enforcer is supposed to be the ultimate for velocity in 45 ACP. I happened on a shooting times article on it.
If I was trying to push velocity. It would be my choice.
 
not an expert at all, but looked into reloading for 9mm carbine. generally speaking, the impression I got was the bullet weight was more a factor in getting a real bump in the velocity than the powder choice. you're talking about another cartrdige, but my guess there is a sweet spot for it as well. I think for 9mm it was 115 and 124 grain, the ligher stuff seemed to be reported as benefiting from the extra barrel length, which to me at face value seems counter intuitive, but - just shooting factory ammo and watching and hearing how much harder the 115 factory ammo hit plates, it was the one that came out of the barrel screaming from what I saw.
 
film495 said:
not an expert at all, but looked into reloading for 9mm carbine. generally speaking, the impression I got was the bullet weight was more a factor in getting a real bump in the velocity than the powder choice. you're talking about another cartrdige, but my guess there is a sweet spot for it as well. I think for 9mm it was 115 and 124 grain, the ligher stuff seemed to be reported as benefiting from the extra barrel length, which to me at face value seems counter intuitive, but - just shooting factory ammo and watching and hearing how much harder the 115 factory ammo hit plates, it was the one that came out of the barrel screaming from what I saw.
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If you think about it in the amount of powder behind the bullet. It makes perfect sense. The longer barrel let's the powder push on the bullet for a longer time. Going from a 115 to 147 gets 1-1 1/2 gr more powder depending on chosen powder.
45 ACP will react the same.
 
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