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Old August 19, 2011, 08:52 PM   #1
sixxgunnernick
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9mm reloads

Ok reloaders I've searched and can't come up with an answer to my question, they are all different. I'm reloading hornady 124 grain fmj 9mm. All I can find is to go with sierra 125 grain fmj. With titegroup 4.1 to 4.4 grains. Ok but does anyone have a c.o.a.l.? I really appreciate your response..mixed brass, wsp ect.
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Old August 19, 2011, 09:21 PM   #2
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Load for the bullet weight. Who made it doesn't matter.
Hodgdon's 125 grain data is close enough. One grain won't matter.
"...mixed brass..." Make sure they're all the same length. Pistol brass doesn't require trimming often, but it can sometimes be different between manufacturers. Different lengths can cause OAL and crimping issues.
Your vernier calipres can be set up(locked) to become a case length guage.
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Old August 19, 2011, 09:41 PM   #3
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I prefer to use the same combination! I load mine to 4.3 gr. of Titegroup, and a COAL of around 1.260, if I recall correctly.

This load feeds flawlessly in all of my 9mm pistols.

Although, you might want to back it down to 4.2 grains if your pistol has too much muzzle flip.

In a study not too long ago, and under the supervision of the techs at Hodgdon, I loaded up a similar round with +P characteristics and never met a pressure sign. If you find the muzzle flip to be too much then just back it off .1 grains. Titegroup is a really fast powder, and things can get out of hand quickly if you aren't careful.
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Old August 19, 2011, 10:04 PM   #4
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I'd say that oal is 1.160 ,not 1.260? ^^^^^
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Old August 19, 2011, 10:29 PM   #5
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I loaded ten rounds at 4.2 with a coal of 1.10 Should I make them a little longer?
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Old August 19, 2011, 10:47 PM   #6
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I am working on some loads with Berry's 124 grain bullets and 4.1 grains of Titegroup. Not perfected yet. I use an OAL of 1.090 and they cycle flawlessly.
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Old August 19, 2011, 11:03 PM   #7
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Huskerguy, that's what I seen was your oal, I just rounded it up to 1.1
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Old August 20, 2011, 09:06 AM   #8
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Sixgunnernick I would let the gun ditate length. You can load to magazine length without problems. Just do not go shorter than the length listed. If too short most rounds will hang up on the feed ramp of a seimauto. Also with high pressure rounds like 9mm loading shorter than the listed lenght it will greatly increase pressure in the small case which can lead to catastrophic failure (damged gun and ijured/killed shooter, and bystanders.)
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Old August 20, 2011, 09:29 AM   #9
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I rounded off to 1.1 making it a hair longer than 1.09 Well I loaded ten rounds with 4.2 grains of titegroup at 1.1 coal and I got fps as follows 1033, 1049, 1045, 1043, 1037..those are the first five and I think they are in the "zone" boy they feel nice, softer than winchester white box also. I didn't think a recipe of those speeds could feel so good and manageable. Do you fellow gunners think I'm good to go? Thanks for all the help..oh yeah out of the ten rounds I had zero problems, no jams ect.
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Old August 20, 2011, 10:46 AM   #10
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six - I am certainly no expert on this. Your results look good. I am continually amazed at the low recoil I have with TG but still maintain the accuracy. When working up my last loads for a 40 I used a rest exclusively so I was measuring one more thing at the same time - accuracy along with FPS, recoil, feeding, etc.
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Old August 20, 2011, 12:53 PM   #11
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Thats some good, consistant velosities, it should help considerably in accurracy.
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Old August 20, 2011, 05:07 PM   #12
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I feel these hornady 124 grainers are more accurate than berrys 115 grainers, for me. I shot another ten rounds from my typical 50 feet and got tighter, more consistent group. Sorry, no pics cause I suck. But three in the bulls and tight group just outside to the left. I hope anyone reloading nine mm can find some help from this. I'm shooting a new ruger sr9c, absolutely love it.
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Old August 20, 2011, 05:46 PM   #13
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I shoot Hornady HAP's,Nosler JHP and a few Sierra's in 9mm,357,40S&W,and 45 ACP,all of them consistantly shoot the Jacket bullets tighter than any of the plated I've tried.The most obvious were the 9mm and 357Sig's.I can get the plated to group good but it takes more tweeking and trial's to do it .My favs are the Hornady's followed real close by the Noslers.
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Old August 20, 2011, 06:16 PM   #14
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Quote:
Originally Posted by dunnerjeff
I'd say that oal is 1.160 ,not 1.260? ^^^^^
Thanks for catching that! I've been working between 9mm and 45 ACP all weekend.

Thanks for saving me on that one.
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Old August 20, 2011, 07:07 PM   #15
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I'm shooting a 115 lead RN over 4.4 of Titegroup with a length of 1.165 and they're fine.
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Old August 20, 2011, 11:10 PM   #16
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I couldn't find load data for hornady 124 grain fmj. Then I wasn't sure about coal, but I'm good to go. One other note..am I crazy but titegroup is alot cleaner than winchester white box? I know titegroup is a fast burning powder and wwb are a little hot but what a difference. Would plated vs. fmj have anything to do with it?
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Old August 23, 2011, 12:59 PM   #17
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Making sure the round isn't too long for the mag is one consideration, but you also need to make sure the bullet doesn't engage the lands of the barrel before the round is fully chambered.

My go-to round for accuracy in my 9mm Witness Match is a 121 gr Hornady HAP at 1.080" COAL. That puts the bullet .02 off the lands and seems to work the best for that gun.

The Witness mags will happily load rounds that are too long to allow the barrel to go fully into battery (NOT a good situation). None of my other handguns seem to have lands close enough to the chamber to allow that to happen, but that also means I can't tweak the COAL to optimize the ogive to lands clearance for accuracy.
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Old August 25, 2011, 11:19 PM   #18
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Darthnul, how did you measure .02 off the lands of your barrel? just curious. Would like to do the same.
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Old August 26, 2011, 12:25 AM   #19
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Quote:
Darthnul, how did you measure .02 off the lands of your barrel? just curious. Would like to do the same.
With most of my guns I can't because the OAL ends up being way too long.

With the Witness match the lands ended near enough to the chamber to do this: Stick a bullet (of the type you are going to use) into a fired, not yet resized case. The case needs to be loose enough to push the bullet in by hand, but with enough resistance so your the calipers won't push things together while you're measuring.

I pushed the bullet into the case just enough so it was going in straight. After removing the barrel from the gun, I gently pushed the case/bullet combo into the chamber. I could feel when the bullet touched the lands and kept pushing until the case was all the way in the chamber. Then pull the case out. If you're lucky the bullet won't stick in the barrel and you can measure the OAL. I did this several times to make sure I was getting consistent readings. Then you just subtract .020 from that measurement for your target OAL. If you really want to get picky, measure the length of the case you used, resize the case, then measure it again and add the difference to your original target OAL.

Keep in mind that you need to do this for each size, weight and type of bullet that you use, and if you really want to be consistent your cases need to be the same length too.

The critical measurement is really between the spot on the bullet that will first engage the lands, and the case mouth. Lacking a way to do that directly I got this to work.
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