berry 124gn and w231

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marcodo

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I have a gen 4 glock 19 that is not reliably cycling berry 124gr and 4.2-4.3gr of w231. I know most of the books put max dose for lead at 4.4gr.

Getting stovepipes and very weak ejections

My question is has anyone ever gone a little higher for the Berry bullet. Would love to try 4.5 gr which is below the FMJ data.

I though I saw a thread awhile ago but couldn't find it

Anyone with experience with this?
 
Hodgdon puts 4.4 Start - 4.8 Max with the 125 grain Sierra.

You need to bump up the load to at least 4.5, if not more.
Probably more like 4.6 when you get done.

Berry recommends mid-range jacketed bullet data for their plated bullets.

rc
 
I load Berry's 9mm bullets the same as jacketed, using the same data. I've loaded many thousands of them this way and never had a problem.

Hope this helps.

Fred
 
4.5 - 4.6 gr should work

My experience agrees with RC Model (again). I too have a G 19 and 4.6 seems a sweet spot in terms of reliable feeding and accuracy with 231 and Berrys 124gr.

OG03
 
marcodo said:
gen 4 glock 19 that is not reliably cycling berry 124gr and 4.2-4.3gr of w231.

My question is has anyone ever gone a little higher for the Berry bullet. Would love to try 4.5 gr which is below the FMJ data.

I though I saw a thread awhile ago but couldn't find it
Click to expand...
Here you go - http://www.thehighroad.org/showthread.php?p=7217193#post7217193

In the thread, I tested Berry's 124 gr RN and HBRN bullets in Gen3 Glocks with 4.5 gr of W231/HP-38 with good slide cycling. Depending on how stiff your Gen4 recoil spring assemly is, you may need to go a bit higher to reliably cycle the slide.
 
check your extractor?

I have gone through thousands of rounds (in my G17 gen 2) of 124gr Berry's HP and 4.3-4.4gr of 231 with no malfunctions. I've since switched to 4.3 gr of Titegroup because it seems to run a bit cleaner and (barely) makes PF for IDPA.

My BIL's G19 gen 4 wore its extractor out in less than 1,000 rounds though. He had weak ejection, some cases would hit him in the face, and it would stovepipe often.

The wear as not that obvious, but a new extractor fixed it.
 
OP is not experiencing extraction problem but unreliable slide cycling problem. ;)

If OP was getting full/hard slide cycling with poor extraction, I would look at the extractor.

If slide cycling is weak/unable to fully extract the spent case and experiencing stove piping, I would suspect not enough powder charge.

I am with rcmodel. Test loads of 4.4, 4.5, 4.6 gr charges should identify which powder charge would start to reliably cycle the slide. My guess for Gen4 Glocks would be 4.5+ gr.
 
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Berry's recommends using mid-range data for their plated bullets. My P89 cycles reliably and gets decent accuracy at 4.4 gr W231 under Berry's 124 gr HBFP. You should see better cycling if you increase the charge to 4.4 to 4.6 gr.
 
Berry's also recommends max 1200 FPM for their standard plating. The 124 HBRN is rated BY BERRY'S at 1450 FPS for 38 Super.
4.4 win 231 won't do 1100 fps with their 124 gr bullets.
 
Berrys 124

My standard load is 4.6 of #231 behind a 124RN.I use WSP primers and don't sort the brass.It has been a while since I clocked this load but it made the 125K power factor easily.It seems more consistant than some other loads I have tried.:)This is in an M & P.
 
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Gen 4's must like much warmer loads. My Gen 3 G26 runs great with 4.2gr W231 and Berrys 124gr RNHB-TP @ 1.140". Mild 946 fps. Runs about 40 fps faster out of G23 with lone wolf conversion barrel.

Bump up your charge and C.O.A.L. I prefer the longest C.O.A.L that will chamber and feed properly. Lower pressure.
 
I'll betcha that Gen 4 has the .40 recoil spring in it. Get a lighter spring.

124 grain bullet over 4 grains of HP38 will cycle my Glock 35 with a conversion barrel just fine.
 
I run 4.4 to 4.6 and they cycle fine. But that is the jacketed data. Use at your own discretion. I would respring your slide my self.
 
I load Berry's bullets using jacketed data and have never had any problems. That includes .380,9mm,.40S&W,.38spl.,.357mag.,.45acp. I have had great results with Berry's bullets in every aspect.
 
The Gen 4 pistols have a nested spring setup which is much heavier than the normal Gen 3 springs. I was a replacement setup on the net to change back to the single spring setup. Sorry, I don't remember where but I think it was a big Glock replacement parts house.
 
ArchAngelCD said:
The Gen 4 pistols have a nested spring setup which is much heavier than the normal Gen 3 springs. [There] was a replacement setup on the net to change back to the single spring setup. Sorry, I don't remember where
Click to expand...
http://jagerproducts.com/index.php?main_page=product_info&products_id=90


To OP, FYI, I would also check the recoil spring assembly to see if it is the latest model marked "0-4-3".

Recoil Spring Exchange Program - http://us.glock.com/customer-service/recoil-spring-exchange
GLOCK Inc. is voluntarily exchanging the recoil spring assembly (RSA) on its new Gen4 pistols (with the exception of G26 and G27 models). GLOCK has developed a new design to the recoil spring assemblies on its Gen4 pistols to replace several variations that are functioning in the market today. As part of the company’s commitment to perfection, we are voluntarily exchanging the existing RSA in order to ensure our products perform up to GLOCK’s stringent standards.

GLOCK is replacing the RSA in all Gen4s sold before July 22, 2011 at no cost.

CONSUMER ACTION:

1. Call 1-877-745-8523 with your serial number and model number to request your modified RSA. GLOCK will verify your serial number and collect shipping information

2. Within 30 days, GLOCK will send you a replacement RSA along with a pre-addressed envelope to mail in your old spring
Click to expand...

Factory Gen4 recoil spring assembly for G19 "Latest model spring. Marked 0-4-3" ($17) - http://www.glockmeister.com/Recoil-Assembly-G19-Gen-4/productinfo/G8703/

It seems the newer Gen4 Glocks no longer have the issue. Here's a USA made Gen4 G19 review by a Glock armorer - http://glocktalk.com/forums/showthread.php?p=19897721#post19897721
 
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124 gr Berry's plated RN over 4.5 gr. W231 is one of my "bread and butter" loads.

I've loaded it hotter without any problems or signs of excessive pressure... but 4.5 is my pet.
 
I shot a lot of Berry's and Rainier plated in 9mm and .38 Super.
Jacketed data is closer to what you see on the chrono than lead data is.
I've had them up to 1,300 fps in the Super without any problems.
Bump them up.
 
My standard 9mm load is a Berry's 124rn with 4.3 gr of HP-38 seated to 1.14". I have never had an issue with this loading. I've shot a few thousand in dozens of different guns.
 
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