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Recently I've been shooting a new Bobby Tyler 45 Auto Rim that was built from the ground up on a Ruger OM 357 frame. The gun is shooting great with 3 different bullets & powders but I'm not surprised.
What did surprise me, & I keep forgetting to mention it is, the difference in brass. Many times, six gun prophet John Taffin has cautioned against mixing different brands of brass, especially in the smaller calibers or capacities. A 45 Auto Rim is basically the same capacity as a 45 Auto, not really a lot of powder. In a 9mm it can really become a problem, trust me.
I started out from day one using new Starline brass, which is known to be of high quality & lasts for a long time, some of mine has now been fired 4 times & is still going strong. Also on the shelf was some factory PMC 45 Auto Rim so I shot some of it and then weighed both cases, Starline & PMC, what a surprise!
The Starline tipped the scales at 88 grs, while the PMC weighed in at 99 grs, yikes! You can see that if a person worked up to what you consider the mythical maximum load using the Starline brass & then dropped the same charge into the PMC brass you could very easily get a pressure spike, especially with a fast burning powder.
That's why you don't use someone else's loads, ever without working up from 2-3 grs below. Changing anything always changes everything!

Dick


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Your right, I'll take a 36 DD any day!



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Originally Posted by Idaho1945

The Starline tipped the scales at 88 grs, while the PMC weighed in at 99 grs, yikes! You can see that if a person worked up to what you consider the mythical maximum load using the Starline brass & then dropped the same charge into the PMC brass you could very easily get a pressure spike, especially with a fast burning powder.
That's why you don't use someone else's loads, ever without working up from 2-3 grs below. Changing anything always changes everything!

Dick

I've been shooting 45 ACP for decades and I've never weighed a piece of brass, but 10gr brass weight isn't a lot of brass mass and won't take up much chamber space. This is especially true on RIMMED brass where rim thickness will vary. The rim lies completely outside the chamber and doesn't affect chamber pressure. In a revolver the different chamber volumes will affect the pressure more...if at all.

I've chrono tested different loads extensively to certify power factor over 100s of environmental conditions and I haven't detected significant variation trends in using mixed lots of brass. In 45 ACP it doesn't matter.

As to case life I have mixed 45 brass in my practice box that has been fired over a couple of hundred times and still work fine. Some split and get tossed, and some of them you can't read the headstamp as it has been forged nearly smooth.

A 2-3 grain powder reduction in some 45 loads would be 80%...

45 is just not that critical to work with...that's one of the reasons it is such a great round.




Of course all this commentary assumes taking your post seriously...


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Not using someone else's loads is a crock. I have several friends that I trust completely and I also shoot factory ammo.

News flash, if you are shooting factory ammo, someone/something else loaded it. I don't have friends that are retards.

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Well, that's good to know. I didn't do a water test on both brands but I did fill each with powder & you could visually see the difference in capacity.
Recently I was helping a good friends widow sell off a lifetime of reloading equipment. 3 Dillon presses, dies, bullets, powder, primers, brass. Same stuff all of have accumulated over many years of reloading.
He was a hunter, competitive shooter, etc. There was a lot of reloaded ammo & I'm sure some of it came from his neighbor who had recently died. Would you guys shoot either guys ammo. One was a friend for over 30 years, the other guy I hardly knew.
There were 7 boxes of 45 Colt reloads with 255 gr cast bullets & it said 10 grs of Red Dot. To me that raised a red flag, that's a lot of Red Dot, which isn't a great powder in the 45 Colt. I pulled all of them, 91 had 10 grs of Red Dot. The others had either no Red Dot, 20 grs of Red Dot or else a different powder.
If I shoot someone else's loads I do it in their gun. But we got a bit off topic didn't we? 24 HR Campfire sure has changed the last few years.

Dick

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Originally Posted by Idaho1945
Well, that's good to know. I didn't do a water test on both brands but I did fill each with powder & you could visually see the difference in capacity.
Recently I was helping a good friends widow sell off a lifetime of reloading equipment. 3 Dillon presses, dies, bullets, powder, primers, brass. Same stuff all of have accumulated over many years of reloading.
He was a hunter, competitive shooter, etc. There was a lot of reloaded ammo & I'm sure some of it came from his neighbor who had recently died. Would you guys shoot either guys ammo. One was a friend for over 30 years, the other guy I hardly knew.
There were 7 boxes of 45 Colt reloads with 255 gr cast bullets & it said 10 grs of Red Dot. To me that raised a red flag, that's a lot of Red Dot, which isn't a great powder in the 45 Colt. I pulled all of them, 91 had 10 grs of Red Dot. The others had either no Red Dot, 20 grs of Red Dot or else a different powder.
If I shoot someone else's loads I do it in their gun. But we got a bit off topic didn't we? 24 HR Campfire sure has changed the last few years.

Dick



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Oh BRASS, damn.


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Originally Posted by Remington6MM
Oh BRASS, damn.



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Ha! Well, I guess I just can't keep up with all you experienced guys. For some reason the Campfire has really changed tempo & quite a few guys have left, think I'll join them. Cheers!

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I have a bag of old 45acp range brass. Mixed up brands, age, and quality.

I load it all together with impunity with no problems after cleaning and inspection.

My loads are light target loads. Just enough for reliable function of the pistols. Im not terribly experienced or even a good shot. I've had no problems so far. I do use selected or new cases for ammo I want to be the best I can make. I also keep the small primer stuff specifically segregated.

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First thought was this post belonged in the basement. I am fine using loads from experienced reloaders. I found it surprising that several of Mule Deer's pet loads from Handloads that Work were the same or almost the same as mine. After that whenever I started loading for a new rifle, I would look at his article first.

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Originally Posted by RemModel8
Not using someone else's loads is a crock. I have several friends that I trust completely and I also shoot factory ammo.

News flash, if you are shooting factory ammo, someone/something else loaded it. I don't have friends that are retards.


Inever not ever start with a load someone else worked up unless it's well under max. All that factory stuff that's different has to be loaded to some standard we don't know about. Reason being we haven't a clue about the rifle or chamber it was worked up in. I suspect most factory loads are loaded to less pressure than they will admit. reason being the put out a bunch of bad stuff and it blows up some guns, they are liable! In most case's I doubt it matter's to the factory's that their loads may be light as handloader's seldom use factory ammo and non handloaders don't have a chronograph!

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It depends on what the bras is holding.....


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Originally Posted by DonFischer
Originally Posted by RemModel8
Not using someone else's loads is a crock. I have several friends that I trust completely and I also shoot factory ammo.

News flash, if you are shooting factory ammo, someone/something else loaded it. I don't have friends that are retards.


Inever not ever start with a load someone else worked up unless it's well under max. All that factory stuff that's different has to be loaded to some standard we don't know about. Reason being we haven't a clue about the rifle or chamber it was worked up in. I suspect most factory loads are loaded to less pressure than they will admit. reason being the put out a bunch of bad stuff and it blows up some guns, they are liable! In most case's I doubt it matter's to the factory's that their loads may be light as handloader's seldom use factory ammo and non handloaders don't have a chronograph!



Anyways, I have shot reloading ammo from friends, but I trust them. I don't shoot ammo found in a basement that may have been load by a friend of a friend that his wife found.

There is a difference.

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Originally Posted by Idaho1945
Recently I've been shooting a new Bobby Tyler 45 Auto Rim that was built from the ground up on a Ruger OM 357 frame. The gun is shooting great with 3 different bullets & powders but I'm not surprised.
What did surprise me, & I keep forgetting to mention it is, the difference in brass. Many times, six gun prophet John Taffin has cautioned against mixing different brands of brass, especially in the smaller calibers or capacities. A 45 Auto Rim is basically the same capacity as a 45 Auto, not really a lot of powder. In a 9mm it can really become a problem, trust me.
I started out from day one using new Starline brass, which is known to be of high quality & lasts for a long time, some of mine has now been fired 4 times & is still going strong. Also on the shelf was some factory PMC 45 Auto Rim so I shot some of it and then weighed both cases, Starline & PMC, what a surprise!
The Starline tipped the scales at 88 grs, while the PMC weighed in at 99 grs, yikes! You can see that if a person worked up to what you consider the mythical maximum load using the Starline brass & then dropped the same charge into the PMC brass you could very easily get a pressure spike, especially with a fast burning powder.
That's why you don't use someone else's loads, ever without working up from 2-3 grs below. Changing anything always changes everything!

Dick


Idaho,

Take those same cases, then measure the difference in H20 volume.

That will tell the real story.


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This post is useless without pictures.....


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