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  #1  
Old 03-15-2013, 8:19 PM
40s&w 40s&w is offline
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Default 9mm 158 gn load

so I found out that I can size 158gn .358 plated Berry's bullets to .356 by inserting the .358 in to a fired .38 spl case and running it in a sizer die with primer rod removed. I want to load it but hardly can find any data for the 3 powders I got. if you can help that will be great . i have titegroup/unique/power pistol. I will be using a 4 inch fnp40 with a 9mm conversion.
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Old 03-15-2013, 8:49 PM
J-cat J-cat is offline
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Why not just leave it .358" and load it.
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Old 03-15-2013, 9:16 PM
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Cant shoot a 358 in a 355/356 will brake my gun ..
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Old 03-15-2013, 9:46 PM
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You need to be a little cautious here. You have a resized bullet that is now heavy (and longer) for the caliber as well as reduced case capacity because of deeper seating to chamber it. Both of those will increase pressures.
Any starting load for 9mm, 147g, could be too high
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Old 03-15-2013, 10:24 PM
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Because of the lube rings cut on the sides of a 147gr cast bullet, it ends up being too long and starts to get squeezed by the case's increasing thickness therefore a lot of them have boat-tails, I wonder if the 158 would be long enough to need a boat-tail also.
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Old 03-15-2013, 11:21 PM
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Make sure the OAL used does NOT push the bullet ogive into the lands of the barrel on chambering. This may require a fairly short OAL. You will need to test with a dummy loaded round to find this out. Once that is settled you will want to take 147gr starting load and drop at least 5% from that for your start load or take 12-15% off a max load for 147gr at the minimum.

Start way low with powder charge and you will be safe IF the bullet is not hitting the lands on chambering!
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Old 03-16-2013, 5:44 AM
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This is not a good thing to do.....the case will bulge, a lot.
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Old 03-16-2013, 6:29 AM
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Quote:
Originally Posted by 40s&w View Post
Cant shoot a 358 in a 355/356 will brake my gun ..
No it wont. How do you know your groove diameter is .356"?
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Old 03-16-2013, 6:30 AM
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Originally Posted by Beelzy View Post
This is not a good thing to do.....the case will bulge, a lot.
I shoot .359" bullets in my 9's all the time. The cases bulge more than with .355" but they chamber just fine.
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Old 03-16-2013, 8:30 AM
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slugged my barrel and its at .356. it will load with no case issue and because it is flat nose no issue with the OAL and chamber fine. I loaded some and will update as soon as I am back from the range.
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Old 03-16-2013, 10:19 AM
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Width and length be damned - THAT A HEAVY BULLET for 9mm, and that's why you can't find reloading data for it. Guys way more capable than you or I have determined that 147 is as high as you can practically go. 158 is for .38s and .357s. I'd leave it at that.

Last edited by wtkaiser; 03-16-2013 at 10:21 AM.. Reason: Corrected italics
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Old 03-16-2013, 3:19 PM
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Quote:
Originally Posted by wtkaiser View Post
Width and length be damned - THAT A HEAVY BULLET for 9mm, and that's why you can't find reloading data for it. Guys way more capable than you or I have determined that 147 is as high as you can practically go. 158 is for .38s and .357s. I'd leave it at that.
I have successfully loaded 160gr hard cast in 9mm and it works just fine. Only real problem is it has a trajectory like a mortar, but again, it works just fine.
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Old 03-16-2013, 3:35 PM
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Quote:
Originally Posted by 40s&w View Post
Cant shoot a 358 in a 355/356 will brake my gun ..
Who said?

It depends on the chamber.

IMI used to have a 9mm subgun load with a 158gr bullet.
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Old 03-16-2013, 8:05 PM
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I hope you don't take this as offensive, but if you think running a .358" plated bullet will "break" your .356" barrel, you have no business trying to shoot a 158g bullet in 9mm. The seating depth will be absolutely critical and a few 10's of mils can be the difference between a squib (stuck bullet) with too little powder and too long a COL, and a kaboom with too much powder and too deep a seat.

Titegroup is way too fast for such a load, Power Pistol will require too much powder and too much compression for a decent velocity, Unique may be your best choice, but it will probably be compressed which is actually pretty good for Unique, but it is very sensitive in that condition.

I run 120g bullets with 12% compression and get very good burn and consistent velocities with 4.2g Unique and .28" seat depth and 1100 fps out of my M&P 40 converted to 9mm. BTW, the lead bullets drop out at .357" and the barrel slugs at 0.3545" and the gun does not "break".

With a 158g bullet, a 4.4g load of Unique will give you a peak pressure of about 28 kpsi. Seat it only 0.065" deeper and the pressure goes up to 41 kpsi.

Stay safe.
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Old 03-16-2013, 8:26 PM
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Bob Forker did an article many years ago on shooting 158gr bullets in the 9mm. He used, among other powders, Bullseye. I QuickLoaded a 158gr LRN on top of 3grs of Bullseye at an OAL of 1.120" and it yielded 890 FPS and 33000 PSI which mimics what Forker and Lyman got when they did their tests. Lyman lists 3.5grs of Bullseye as max with their 358311 bullet, BTW.
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Old 03-17-2013, 6:43 AM
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I will not try to comment on good or bad on this idea, but if you want to resize the bullet why not buy a Lee push thru sizer for 9mm. They are not expensive and will do a uniform job every time.
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Old 03-17-2013, 7:59 AM
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Quote:
Originally Posted by GeoffLinder View Post
I have successfully loaded 160gr hard cast in 9mm and it works just fine. Only real problem is it has a trajectory like a mortar, but again, it works just fine.
"Trajectory of a mortar" IMO isn't equal to working just fine. Unless throwing bullets at your feet was the goal...
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Old 03-17-2013, 9:01 AM
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Quote:
Originally Posted by koehn,jim View Post
I will not try to comment on good or bad on this idea, but if you want to resize the bullet why not buy a Lee push thru sizer for 9mm. They are not expensive and will do a uniform job every time.
Because they may strip the thin copper plating.
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Old 03-17-2013, 9:05 AM
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Quote:
Originally Posted by vmwerks View Post
"Trajectory of a mortar" IMO isn't equal to working just fine. Unless throwing bullets at your feet was the goal...
I don't understand how a 158gr bullet going faster from a 9mm than from a 38 Special equates to having a trajectory like a mortar. I guess the 45 Colt and 44 Special are not working and have never worked just fine.
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Old 03-19-2013, 6:29 PM
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Originally Posted by J-cat View Post
I don't understand how a 158gr bullet going faster from a 9mm than from a 38 Special equates to having a trajectory like a mortar. I guess the 45 Colt and 44 Special are not working and have never worked just fine.
Dunno - ask Geofflinder who said it originally
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Old 03-19-2013, 7:58 PM
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Quote:
Originally Posted by vmwerks View Post
Dunno - ask Geofflinder who said it originally
What I mean is that it is't flat shooting to 50 yards like a 115-124gr is. A 147gr needs to be sighted at 50 yards or it will be several inches low at 50 yards. A 160gr initially sighted at 15-20 yards will be at least 4-5 inches low at 50 yards. When you are trying to hit steel plates at 4-6" diameter from 15-50 yards, this equates to a "trajectory like a mortar" COMPARED to 115-124gr 9mm loads which require no holdover whatsoever at 50 yards with a 15-20 yard initial zero (which is where I sight-in for USPSA style shooting).

Capiche' now?

When I first started USPSA shooting back in the late 80's I played around with a bunch of heavy bullet mousephart 9mm loads to try and get something soft shooting that had some authority on knocking down steel plates reliably. I eventually went to 124gr loads across the board for many reasons, one of which is how flat they shoot to distance compared to heavy bullets in the neener. It's a PITA to try and apply holdovers when you are engaging stuff at widely varying distances as fast as you possibly can.

Last edited by GeoffLinder; 03-19-2013 at 8:05 PM..
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