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OK, Again thank you all for your sage advice. I gratefully accept it all.To throw a bit more mud into the mix...I have loaded and shot near 1,000 rds. of M1 Carbine with H110/296. In working up a load for accuracy, I started with a down load of 1750 fps using std rifle primers. With no repercussions. BTW, my most accurate load was @ 1825 to 1850 fps at 50 yards. Which begs the question, are small rifle primers hotter than std. pistol primers? Cheers!
 
OK, Again thank you all for your sage advice. I gratefully accept it all.To throw a bit more mud into the mix...I have loaded and shot near 1,000 rds. of M1 Carbine with H110/296. In working up a load for accuracy, I started with a down load of 1750 fps using std rifle primers. With no repercussions. BTW, my most accurate load was @ 1825 to 1850 fps at 50 yards. Which begs the question, are small rifle primers hotter than std. pistol primers? Cheers!
I'm pretty sure they put out a lot more flame due to the fact they'll have to burn (on average) more powder.
 
OK, Again thank you all for your sage advice. I gratefully accept it all.To throw a bit more mud into the mix...I have loaded and shot near 1,000 rds. of M1 Carbine with H110/296. In working up a load for accuracy, I started with a down load of 1750 fps using std rifle primers. With no repercussions. BTW, my most accurate load was @ 1825 to 1850 fps at 50 yards. Which begs the question, are small rifle primers hotter than std. pistol primers? Cheers!

To muddy YOUR waters further...The Speer 14 book calls for CCI SR Magnum primers for .30 carbine, and the Lyman 49 book calls for Remington 61/2 (SR), and the Lyman 50 book simply states "Small Rifle" , with H110. Whadaya' make of that?
 
I've just sent off a message to Hodgdon for info regarding all this primer nonsense . I will re-post when I have some "official" info from them. Carry on.
 
OK, Again thank you all for your sage advice. I gratefully accept it all.To throw a bit more mud into the mix...I have loaded and shot near 1,000 rds. of M1 Carbine with H110/296. In working up a load for accuracy, I started with a down load of 1750 fps using std rifle primers. With no repercussions. BTW, my most accurate load was @ 1825 to 1850 fps at 50 yards. Which begs the question, are small rifle primers hotter than std. pistol primers? Cheers!

Please review the "Primer on Primers" information in Post #9. I posted this URL for anyone seeking just about everything you ever wanted to know about primers. Including comparing standard, magnum and rifle primers!

Smiles,
 
Which begs the question, are small rifle primers hotter than std. pistol primers? Cheers!

Yes, they are. And Small rifle Primers are hotter than Small Pistol Magnum Primers. I inferred that in post #7, but didn't come right out and say so.
 
I have used standard pistol primers with a number of powders in .357 Magnum without issue over the past 40 years or so. Those powders include Unique, Herco, W-231, Universal, CFE Pistol, Power Pistol, Accurate No. 5, Titegroup and Bullseye. I would not use W-296/H-110 with standard primers, especially in cold weather. Save your W-296 for the future when magnum primers are once again available, or find someone willing to trade some SPM for SP. While your rounds will probably all go bang, using standard pistol primers with the slow burning ball powder will have inconsistent burning and lead to erratic velocities. Also, you will have a lot of unburned powder gumming up your firearm. I am also in the camp of 2400 is dirty, especially with standard primers. I even gave up on Blue Dot because it seemed dirty, even with magnum primers.
I really like W-296/H-110 in my .357 revolvers, but only with magnum primers and a good roll crimp. That will provide the best consistent performance, velocity and accuracy for that cartridge, at least in my experience.
 
I have used standard pistol primers with a number of powders in .357 Magnum without issue over the past 40 years or so. Those powders include Unique, Herco, W-231, Universal, CFE Pistol, Power Pistol, Accurate No. 5, Titegroup and Bullseye. I would not use W-296/H-110 with standard primers, especially in cold weather. Save your W-296 for the future when magnum primers are once again available, or find someone willing to trade some SPM for SP. While your rounds will probably all go bang, using standard pistol primers with the slow burning ball powder will have inconsistent burning and lead to erratic velocities. Also, you will have a lot of unburned powder gumming up your firearm. I am also in the camp of 2400 is dirty, especially with standard primers. I even gave up on Blue Dot because it seemed dirty, even with magnum primers.
I really like W-296/H-110 in my .357 revolvers, but only with magnum primers and a good roll crimp. That will provide the best consistent performance, velocity and accuracy for that cartridge, at least in my experience.

"Winner Winner Chicken dinner!" a nice summary of the previous 31 posts! :)

Bravo!
 
I have used standard pistol primers with a number of powders in .357 Magnum without issue over the past 40 years or so. Those powders include Unique, Herco, W-231, Universal, CFE Pistol, Power Pistol, Accurate No. 5, Titegroup and Bullseye. I would not use W-296/H-110 with standard primers, especially in cold weather. Save your W-296 for the future when magnum primers are once again available, or find someone willing to trade some SPM for SP. While your rounds will probably all go bang, using standard pistol primers with the slow burning ball powder will have inconsistent burning and lead to erratic velocities. Also, you will have a lot of unburned powder gumming up your firearm. I am also in the camp of 2400 is dirty, especially with standard primers. I even gave up on Blue Dot because it seemed dirty, even with magnum primers.
I really like W-296/H-110 in my .357 revolvers, but only with magnum primers and a good roll crimp. That will provide the best consistent performance, velocity and accuracy for that cartridge, at least in my experience.
I use 2400 in my 44mag loads because it's accurate and it fills the whole case up unlike H110 plus I get almost the same velocity. It may be dirty but it's been around for a long time and works good.
 
I've loaded aton of 357mags over the years with standard primers. Loaded some mag primers a few years ago, ran paper and steel comparison off sandbags, in 3 different pistols. No measurable difference noted fir groupng or clanging. Good luck in getting your question settled. Note: my application was range games under 40 yards.
 
Some powders require magnum primers, some do not. Check the Data... REAL manufacturer data NOT some Bubba & Earl' post... and see if they specify. 296 is one that requires magnum primer as is 4227(I think, better check).
 
Even a full load in a 357 isn't all that much powder. I'd not fret it. It might be few fps slower, but shouldn't be a big deal.
If you're concerned, switch to a faster powder like Blue Dot or even Unique.

Another option, stolen from the 357 Maximum, would be to use small rifle primers. I'd back the powder charge down quite a bit and work back up.
The difference between pistol and rifle primers is a thicker cup material, not the difference in the amount of priming compound. Rifle primers have thicker cups because rifles are essentially of higher pressures, hence need a thicker cup so as not to puncture. Rifle primers are used in many different pistol loads, such as .38 Super loaded to meet "maximum" for IPSC competitions. You can use rifle primers in pistols but it's bad policy to use pistol primers in rifles. That usually leads to pierced primers. It's pretty much guaranteed that using pistol primers in the .30 Carbine will suffer 100% pierced primers for even medium loads. There are some exceptions such as .22 Hornet in light loads.

 
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The difference between pistol and rifle primers is a thicker cup material, not the difference in the amount of priming compound. Rifle primers have thicker cups because rifles are essentially of higher pressures, hence need a thicker cup so as not to puncture. Rifle primers are used in many different pistol loads, such as .38 Super loaded to meet "maximum" for IPSC competitions. You can use rifle primers in pistols but it's bad policy to use pistol primers in rifles. That usually leads to pierced primers. It's pretty much guaranteed that using pistol primers in the .30 Carbine will suffer 100% pierced primers for even medium loads. There are some exceptions such as .22 Hornet in light loads.

Is this the same article referred to in post #9? :)'s
 
Is this the same article referred to in post #9? :)'s
Apparently it is, and if you looked at both you would see they are but from different websites. I just glanced at post #9 myself and didn't follow the link he posted. And I myself have used small rifle primers in hundreds of .38 Super and 7.62x25 loads. I also know that pistol primers aren't good in .30 Carbine from personal experience in shooting some that another had loaded with pistol primers. I had to replace my M1 Carbines firing pin.
 
Apparently it is, and if you looked at both you would see they are but from different websites. I just glanced at post #9 myself and didn't follow the link he posted. And I myself have used small rifle primers in hundreds of .38 Super and 7.62x25 loads. I also know that pistol primers aren't good in .30 Carbine from personal experience in shooting some that another had loaded with pistol primers. I had to replace my M1 Carbines firing pin.
Even when choosing small rifle primers some rifles with floating firing pins can be dangerous with the wrong primers. :)'s
 

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