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9mm +p is very common for self defense rounds
 

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Discussion Starter · #6 ·
Ok I've heard a lot about .40 expanding. Has anyone shot .40 in +P? What's the actual purpose of a +P round? Sorry for all the questions, I just need some info before I indulge.
 

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SHOOTER13 said:
In general, the purpose of a +P cartridge is to get a higher velocity for a given bullet weight than a standard pressure cartridge.
How is this achieved? Smaller bullet with more charge mixture? I know about the p ammo, I'm just curious of how they get the extra ummph out of it.
 

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Ok I've heard a lot about .40 expanding. Has anyone shot .40 in +P? What's the actual purpose of a +P round? Sorry for all the questions, I just need some info before I indulge.
How is this achieved? Smaller bullet with more charge mixture? I know about the p ammo, I'm just curious of how they get the extra ummph out of it.
Im curious about this as well.
 

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No . 40 +P. The .40 round is already fully loaded. If you can find .40 +P ammo, don't shoot it in your Glock. Glock barrels are not designed for that much pressure.

I shoot 9mm 147gr +P without any problems.
 

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The only +P 40cal I am familiar with is Buffalo Bore, and they specifically say to not shoot it in a Glock due to the chamber not being fully supported. There are aftermarket barrels like Lonewolf that have a fully supported chamber though.

That said, I have never fired a +p 40cal, I am not an engineer, I am not a gunsmith, nor a firearms expert so I have no idea if that is really safe or not.
 

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bhale187 said:
The only +P 40cal I am familiar with is Buffalo Bore, and they specifically say to not shoot it in a Glock due to the chamber not being fully supported. There are aftermarket barrels like Lonewolf that have a fully supported chamber though.

That said, I have never fired a +p 40cal, I am not an engineer, I am not a gunsmith, nor a firearms expert so I have no idea if that is really safe or not.
I shot BB out of my 29 with no problems at all. But then again, the Glock 10mm barrel is fully supported. Talk about some hot stuff though. Jesus.
 

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Yeah, like I said. If you can EVEN find .40 +P. Don't shoot it in your Glock. Or do shoot it and send us some pics from the ER of your hands looking like hamburger meat. Yummy!
 

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I shot BB out of my 29 with no problems at all. But then again, the Glock 10mm barrel is fully supported. Talk about some hot stuff though. Jesus.
BB makes some impressive rounds. I've been thinking of getting some for my keltec P3AT .380
 

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bhale187 said:
BB makes some impressive rounds. I've been thinking of getting some for my keltec P3AT .380
I'm not so sure I would trust a kel tec for BB loads. Buddy of mine when I was in the service put some DT through his and it blew out the trigger pin, magazine, and magazine catch.
 

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I'm not so sure I would trust a kel tec for BB loads. Buddy of mine when I was in the service put some DT through his and it blew out the trigger pin, magazine, and magazine catch.
BB tested their 380 +Ps in the Keltec. I don't plan to use it at the range or anything, just a mag full of them for carry.

Was it a kaboom, a squib, or just firing the round(s) that caused the problem with the DT?
 
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