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Old 05-01-2013, 15:22   #51
SCmasterblaster
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Originally Posted by dkf View Post
My 31, 32 and 33 are almost identical to the 17, 19 and 26. Some even use identical RSAs. Factory .357sig loads are at approx the same pressures as 9mm +P+ just more velocity. The Glocks handle those .357sig rounds fine.

Will hot +P+ loads increase wear on the gun, most likely. Will the gun handle it, yes. When you stop and think the cost of the +P+ ammo to wear out the gun far exceeds what a new Glock would cost.
I don't fire a lot of +p+ 9x19 cartridges. They just sit in four of my G17 magazines waiting for trouble.
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Old 05-01-2013, 15:44   #52
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Quote:
Originally Posted by SCmasterblaster View Post
I occasionally shoot +p+ 115gr 9mm in my G17 - no problems so far. 1400 FPS out of my chronograph.
That doesn't surprise me. Back when we were testing +P+ L/E loads, the Winchester was the fastest, followed by Remington and Federal.

Of course, as I have noted, along came Cor Bon's +P load, at a blistering 1,350fps! It too, was good for getting close to 1,400 on a good day.
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Old 05-01-2013, 16:24   #53
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That's not a +P+ round mate, this a +P+ round,

http://www.underwoodammo.com/9mmluge...boxof50-2.aspx

They went 1443 from my 3 15/16'' p95 and 1613 from my 6 1/2'' Blackhawk, I likey.
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Old 05-01-2013, 16:58   #54
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I don't know but if it throws the brass real far you might need a stronger RSA,
if it doesn't through it far enough you will need a weaker one.

I did not need to change anything with my 3 Lone Wolf barrels.


Ok thanks.
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Old 05-01-2013, 17:46   #55
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So would it be a waste of money to buy a barrel for my Gen4 G23 then?
In my opinion, yes. Only time I would even consider a non Glock barrel is if 1) Glock does not offer a barrel I want for my Glock 2) Have cast hand loads that do not work well in the Glock barrel.

Quote:
Yea thats what im probably going to do, recoil spring in the .357sig & the the one in the .40 S&W the same?
Should be the same RSA for .40 and .357sig. The Gen4 G19 uses a different RSA however. My .357sig Glocks throw brass far, lot of slide velocity.

Last edited by dkf; 05-01-2013 at 17:49..
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Old 05-01-2013, 18:29   #56
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In my opinion, yes. Only time I would even consider a non Glock barrel is if 1) Glock does not offer a barrel I want for my Glock 2) Have cast hand loads that do not work well in the Glock barrel.



Should be the same RSA for .40 and .357sig. The Gen4 G19 uses a different RSA however. My .357sig Glocks throw brass far, lot of slide velocity.

Awesome, thanks.
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Old 05-02-2013, 05:46   #57
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That's not a +P+ round mate, this a +P+ round,

http://www.underwoodammo.com/9mmluge...boxof50-2.aspx

They went 1443 from my 3 15/16'' p95 and 1613 from my 6 1/2'' Blackhawk, I likey.
Out of stock, as expected.
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Old 05-02-2013, 06:48   #58
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I have used two different underwood ammo types and talk to the owner and
have nothing but good things to say about them, it usually goes faster than
stated.

For you that don't want +p or +P+ good ,that means more for me.
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Old 05-02-2013, 07:40   #59
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Old 05-02-2013, 07:53   #60
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I would shoot +P+ out of a G26 on a limited basis. I would not shoot it out of a .40 S&W since that caliber doesn't even have a +P rating. Anything beyond SAAMI specs in a Glock .40 S&W is dangerous IMO.
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Old 05-02-2013, 09:01   #61
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I would shoot +P+ out of a G26 on a limited basis. I would not shoot it out of a .40 S&W since that caliber doesn't even have a +P rating. Anything beyond SAAMI specs in a Glock .40 S&W is dangerous IMO.
I agree about .40. I've experienced a case rupture and don't care to repeat it.

But why would a steady diet of +P+ be a problem in a G26?
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Old 05-02-2013, 10:10   #62
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I purchased another Glock last week, G26 & was wondering IF it was safe to shoot Factory +P+ loads out of both my G23 & G26(Factory Glock Barrels). Both handguns are Gen4. Thanks in advance.
I have never heard of +p+ .40 S&W ammo, only 9x19.
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Old 05-02-2013, 15:53   #63
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I agree about .40. I've experienced a case rupture and don't care to repeat it.

But why would a steady diet of +P+ be a problem in a G26?
what load was it, brass, bullet....
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Old 05-02-2013, 17:33   #64
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I would shoot +P+ out of a G26 on a limited basis. I would not shoot it out of a .40 S&W since that caliber doesn't even have a +P rating. Anything beyond SAAMI specs in a Glock .40 S&W is dangerous IMO.
SAAMI does not recognize 9mm +P+ either.
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Old 05-02-2013, 18:10   #65
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what load was it, brass, bullet....
Buffalo Bore .40 "+P" from a 1911. The case ruptured at the web right at the ramp. The chamber wasn't fully supported so the fault was entirely mine. It destroyed a magazine floorplate but otherwise no damage done and lesson learned.
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Old 05-02-2013, 18:13   #66
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But why would a steady diet of +P+ be a problem in a G26?
No but it would be unnecessary expense.

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SAAMI does not recognize 9mm +P+ either.
Which does not mean that companies are loading 9mm +P+ at 454 Casull pressures.
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Old 05-02-2013, 18:46   #67
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Which does not mean that companies are loading 9mm +P+ at 454 Casull pressures.
Same applies for .40 +P and .380+P then. Companies made up the designation to sell ammo. Their own way of indicating a "hot" load to the consumer whom does not know the difference.
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Old 05-14-2013, 22:58   #68
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Has anyone shot this ammo? http://www.underwoodammo.com/40sandw...ntboxof50.aspx Or Underwood ammo in general?
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Old 05-15-2013, 11:00   #69
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I wonder what the MV is for the 9mm 115gr JHP +p+ is from a G17? My chronograph is down.
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Old 05-15-2013, 13:12   #70
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Same applies for .40 +P and .380+P then.
Not quite.9mm +P+ has a 30 year track record of being used safely in modern pistols. 40+P and 380+P don't.
Quote:
Companies made up the designation to sell ammo. Their own way of indicating a "hot" load to the consumer whom does not know the difference.
Nope. 9mm pressure had been nudged down by SAAMI to prevent damage to old pistols of questionable strength and quality some of which had been chambered for lower pressure cartridges like 9mm Largo.

Police Depts demanded hotter 9mm ammo and Winchester, Federal and Remington responded by
1. providing the ammo,
2. designating the ammo as +P+,
3. having the Depts sign a waiver to get it and
4. not selling the ammo on the open market.

The process was similar to the introduction of the 38 Super except the Super was intended to be sold on the open market. Colt did not make up the Super designation to sell ammo. They called it 38 Super to differentiate it from the lower pressure 38 ACP and discourage its use in the weaker Colt 1900 pistols.
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