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Old 09-25-2009, 11:56 PM   #1
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Plus "P" 9mm loads?

Anyone have any or know of somewhere I can downloads a few? Not one of my load manuals lists plus p loads. Guess they're worried that we'll blow ourselves up and come back and sue them!
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Old 09-26-2009, 12:26 AM   #2
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Plus "P" 9mm loads?

You are right. There is a reason none of your loading manuals have +P load data listed. It's called "civil liability". In other words, they don't like getting sued when someone blows up a gun and looses an eye, hand or life.



Experiment at your own risk is the rule of the day when it comes to homemade +P ammo.
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Old 09-26-2009, 05:21 AM   #3
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Plus "P" 9mm loads?

d - It has been my experience that pretty much all loading manuals are pretty conservative on data. And, I mean a lot. For both the 38 SPL and the 9mm P (as well as some others), they keep it down as there are a lot of old guns out there that will not take the 10% overload of a +P loading. They will definitely not take the unknown/nonstandard overload of a +P+ load at all. You have lots of old cheap revolvers and semiautos out there that would be dynamically disassembled.



The +P loads have become popular for use in modern firearms as carry ammo. They tend to get test fired a little and not a steady diet of them. Some LE agencies use them but they also replace those guns with a greater frequency that you and I.



Reloading for polymer guns (and I have a few) is just not a very good idea in my judgment. Nor is making your own carry ammo. Again it is a liability issue.



But I do make my own practice ammo for my steel frame guns. I also load it to about a 10% over load from the manuals. I also chronograph it to make sure that my velocities are not overly smoking. I find my reloads to be accurate, reliable and generally a bit quicker than white box ammo.



I used to start 10% under the recommended load and work up by 0.5 grains until I got not more than 10% over the book max and then back off 0.5 grains. I have only blown up a few!
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Old 09-26-2009, 11:11 AM   #4
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Plus "P" 9mm loads?

Gents,



While I shoot +p and +P+ ammo fairly regularly I do not reload to those levels.

I've found standard pressure reloads work fine for general use and practice. Have left the high pressure loads up to the ammo companies.

Several reasons. One the companies generally make fine ammo and have the QC practices to check pressure...I don't.

My ability to chronograph is good, but velocity alone is not always an indicator of pressure, as we know.

IF I had to reload my self defense ammo I MIGHT push the envelope a bit, but I don't have to and will leave that to the ammo makers as it's not needed and they generally make good stuff.



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Old 10-14-2009, 10:29 AM   #5
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Plus "P" 9mm loads?

Howdy folks,



I know I am an old, cautious fart, but there are worst things in life to be too (grinning). As others have noted, I tend to use factory +P 9mm loads when I feel the urge, but for my practice rounds, even loading JHP ammo, I feel no need to push the envelope.



So with 9mm rounds I can not offer any first hand experience. Sorry sir. I know you from here and elsewhere to be a "sane, logical" guy, who I know will venture out on that ice in small steps, which is all I can suggest.



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Old 10-14-2009, 11:08 PM   #6
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Plus "P" 9mm loads?

Funny that Plus P 38 loads are listed but 9mm's are not. Seems I don't fully understand the mechanics of .38 VS 9mm. I acquired several hundred new primed brass and hollow point bullets to stuff in them, sorta hoped to load 'em for max performance. I'll defer to experience in this case and stick with the loading manuals. Thanks for the advice!
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Old 10-15-2009, 06:33 AM   #7
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Plus "P" 9mm loads?

It appears that the industry standard for a +P loading (according to SAAMI) is about a 10% supercharge. I have found that most manuals are sort of very conservative but I have double charged a 9mm before. Destroyed a mag, extractor and a set of stock but fortunately was in a steel gun. It would have been catastrophic in a polygun.



My recommendation is to start 10% under the max load and then work your way up by 0.5 grains until you start to see signs of pressure. Then back down by 0.5 grains.



D - do not put these monsters in polyguns (or even standard BHP-35s). Why wreck a gun?
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Old 10-16-2009, 06:32 AM   #8
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Plus "P" 9mm loads?

I've never been a horsepower addict, guess I sorta figgered that the added cost going from standard to Plus P would be so minor that I'd go on a soup 'em up a bit. Why I would consider this, I have 20 some odd 50 round boxes of Speer Gold Dot 124 Plus P that I'm nervous about running through my HP's already. They done got too high priced to tear up! Oe time I worked up a load for a .40 HP, guy at the IDPA match "borrowed" some without my knowing, blew the magazine clean out of one of them plastic magic 2X4's. Then had the ..... to complain to the rangemaster about my unsafe loads in an attempt to make me pay for damages. He was lucky I was in a good mood that moment.
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