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Discussion Starter #1
This is my first time reloading. I finally got to making a set of 10 9MM dummy rounds. All 10 rounds chamber and eject great. I was aiming for 1.130 OAL and
.376 on my crimp. These are the numbers I come up with. so how did I do? The number I picked was based on the average of factory ammo, such as Remington, Federal, Winchester. These are using Berry's plated 115 GR and I will be staring with a low load of 4.3 and working my way up to 4.7 Gr of Winchester 231 powder. I plan on making 6-8rounds of each grain as I step up.

1.125 .374
1.129 .375
1.131 .376
1.130 .374
1.133 .373
1.133 .376
1.136 .377
1.133 .376
1.127 .373
1.134 .377
 

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I dont have my book infront of me but those numbers seem good , I use 7grains of hs6 with 115grn xtp's there about the same oal (1.125) as you have, once im done unpacking and look at my notes, its been a while and im going off of memory! (not safe to do). what dies are you using? the col should be identical once you set the die.
 

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Besides using a made up powder, you're doing fine :D
 

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This is my first time reloading. I finally got to making a set of 10 9MM dummy rounds. All 10 rounds chamber and eject great. I was aiming for 1.130 OAL and
.376 on my crimp. These are the numbers I come up with. so how did I do? The number I picked was based on the average of factory ammo, such as Remington, Federal, Winchester. These are using Berry's plated 115 GR and I will be staring with a low load of 4.3 and working my way up to 4.7 Gr of Winchester 223 powder. I plan on making 6-8rounds of each grain as I step up.

1.125 .374
1.129 .375
1.131 .376
1.130 .374
1.133 .373
1.133 .376
1.136 .377
1.133 .376
1.127 .373
1.134 .377
Just my .02 here, and keep in mind a good manual is your best friend for reloading...or two maybe three is even better. I am not a "professional" reloader by any means and have never reloaded for the 9mm cartridge. Also, I think what you ment for your powder that you are using is W-231? That all being said, looking in my Lyman book at the loads for LEAD bullets as you are using plated which load at pretty much lead specs, your load looks hot to me for that bullet powder combo. Book shows no info for a 115gr bullet but for a 120gr lead bullet starting load shows 3.0gr, and a Jacketed HP shows 3.5gr of the 231 powder. Also, the 120gr lead bullet shows OAL at 1.065" and the 115gr Jacketed HP OAL at 1.090".

I am sure someone with much more experience than I have will chime in and set this straight if I am wrong, but I would use caution with the load that you are using as, at 4.3gr you are already real close to max (4.9gr) that is shown for the 115 Jacketed HP, and exceeding the max for the 120gr lead bullet...

Like I said, I have never loaded for the 9mm so take it for what it is worth at that. Always consult your manual, never exceed max loads, start low and work your loads up.

Good luck, and above all be safe...check, then check again...and check again just to be sure. It only takes one that is too hot to go kaboom...
 

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Discussion Starter #5
I dont have my book infront of me but those numbers seem good , I use 7grains of hs6 with 115grn xtp's there about the same oal (1.125) as you have, once im done unpacking and look at my notes, its been a while and im going off of memory! (not safe to do). what dies are you using? the col should be identical once you set the die.
I'm using the Lee 4 die set. I thought it was suppose to be indentical too but, from my research, it's ok to have them with in .005 of each other?
 

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I am sure someone with much more experience than I have will chime in and set this straight if I am wrong, but I would use caution with the load that you are using as, at 4.3gr you are already real close to max (4.9gr) that is shown for the 115 Jacketed HP, and exceeding the max for the 120gr lead bullet...

Like I said, I have never loaded for the 9mm so take it for what it is worth at that. Always consult your manual, never exceed max loads, start low and work your loads up.

Good luck, and above all be safe...check, then check again...and check again just to be sure. It only takes one that is too hot to go kaboom...
In the world of fast pwoders, the diff between 4,3gr & 4.9gr is huge as to pressures. Truth, the 4.3gr load may not cycle the action reliably, depending on OAL. Plated bullets want to load between a lead & jacketed. So if you use starting jacketed data & work up, you should be fine. Also shape/OAL plays a big part. Are they RN or TC?FP? You may find a TCFP doesn't fit @ 1.130" & seating deeper requires reducing powder charge.
 

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1.125 .374
1.129 .375
1.131 .376
1.130 .374
1.133 .373
1.133 .376
1.136 .377
1.133 .376
1.127 .373
1.134 .377
its the 1.125 and the 1.136 that had me wonder about the dies being consistent. that seems to be a fairly big gap. I may be wrong, that might be just a minimal tolerance, I know that all my bullets are 1.125 and only fluctuate maybe .002 either way if at all. I also use lee carbide dies (set of 3)
 

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1.125 .374
1.129 .375
1.131 .376
1.130 .374
1.133 .373
1.133 .376
1.136 .377
1.133 .376
1.127 .373
1.134 .377
its the 1.125 and the 1.136 that had me wonder about the dies being consistent. that seems to be a fairly big gap. I may be wrong, that might be just a minimal tolerance, I know that all my bullets are 1.125 and only fluctuate maybe .002 either way if at all. I also use lee carbide dies (set of 3)
There wil be some variation due to bullet nose shapes. There will be more variation if you are using mixed brass of diff manuf & diff times fired. I don't worry about OAL variations of 0.010", as long as they are not more than 0.04"-0.06", that is when pressure increases start coming fast. A OAL 0.06" shorter can easily add 100fps to your load in the 9mm. I do not even want to guess how much pressure that is adding. The pressures don't climb in a linear fashion as you go over the top, they tend to spike vertical, especially in small volumn/high pressure rounds using faster powders.
 

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In the world of fast pwoders, the diff between 4,3gr & 4.9gr is huge as to pressures. Truth, the 4.3gr load may not cycle the action reliably, depending on OAL. Plated bullets want to load between a lead & jacketed. So if you use starting jacketed data & work up, you should be fine. Also shape/OAL plays a big part. Are they RN or TC?FP? You may find a TCFP doesn't fit @ 1.130" & seating deeper requires reducing powder charge.
Thanks fred! I knew you would be along shortly!! :cool:
 

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I load 9mm with LEE dies and press, use a 124 grain Winchester FMJ bullet, Winchester 231 powder (4.3 grains), and keep my OAL around 1.150. If you are going to have them at 1.120 - 1.130 you are going to create more pressure than me, and 4.3 is hot enough to cycle the slides on any of my XD and XD(M) handguns. 4.0 was not enough. Be careful increasing your charge.

I would load 20 or so and see how they shoot, once you get a recipe that works, then crank out 50 or so and try them again. I found that different brass headstamps give me different (minor) OAL measurements, so keep that in mind also.
 

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I load 9mm with LEE dies and press, use a 124 grain Winchester FMJ bullet, Winchester 231 powder (4.3 grains), and keep my OAL around 1.150. If you are going to have them at 1.120 - 1.130 you are going to create more pressure than me, and 4.3 is hot enough to cycle the slides on any of my XD and XD(M) handguns. 4.0 was not enough. Be careful increasing your charge.

I would load 20 or so and see how they shoot, once you get a recipe that works, then crank out 50 or so and try them again.
You are also loading a 124gr bullet, he is loading a 115gr bullet, yes it makes that much diff in slide inertia. The XD is pretty forgiving, especially the longer slides, but the shorter slide guns generally have stiffer springs, so just a word of caution. I have loaded 4.8gr under a 115grRNFMJ @ 1.125"OAL, it makes 1085fps+/- in my G26, it runs fine @ that vel level. I can only guess 4.3gr would be running well below 1000fps in a short bbl & that may not run the gun.
 

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Discussion Starter #15
There wil be some variation due to bullet nose shapes. There will be more variation if you are using mixed brass of diff manuf & diff times fired. I don't worry about OAL variations of 0.010", as long as they are not more than 0.04"-0.06", that is when pressure increases start coming fast. A OAL 0.06" shorter can easily add 100fps to your load in the 9mm. I do not even want to guess how much pressure that is adding. The pressures don't climb in a linear fashion as you go over the top, they tend to spike vertical, especially in small volumn/high pressure rounds using faster powders.
I forgot to mention that these are mixed barss, which is what I wonder could cause the .006 difference.
 

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Discussion Starter #16
I think i might have been playing with the seating die to much... I did 5 more.

1.150
1.149
1.150
1.150
1.149​
 
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