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  #1  
Old 01-09-2017, 11:37 AM
GlenS GlenS is offline
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Trying to duplicate Gold Dot

I'm trying to duplicate the Speer Gold Dot 230 grain. Any suggestions? The powders I have on hand are Red Dot, Tight Group and Power Pistol.
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  #2  
Old 01-09-2017, 12:39 PM
Nork1911A1 Nork1911A1 is online now
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Factory GDHP claim 890fps.
My chrono results from 10 rounds was 875fps.

If you're wanting to duplicate that, I can tell you that TiteGroup will not get you there. Burns too fast to build the pressure needed.
I haven't tried Red Dot.
Power Pistol has given me velocities around 920 fps, but that's at MAX charge.
I'd rather stay around 890-900 (out of +P range).
I've had some interesting results with True Blue and XTP bullets (185, 200 & 230gr).
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  #3  
Old 01-11-2017, 03:35 AM
Capt. Methane Capt. Methane is offline
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I would recommend AA#5 for that, it should get you into 900fps range.
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  #4  
Old 01-11-2017, 08:49 AM
GOA Guy GOA Guy is offline
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Power Pistol will get you there with the 230 Gold Dot. My favorite 230 load is a XTP over 8.3 AA #5, as Capt. Methane says you can work up a 900fps load for your Gold Dot too.
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  #5  
Old 01-11-2017, 10:39 AM
BoulderTroll BoulderTroll is offline
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I wish ammo manufacturers were willing to tell what loads they use. I'd guess it has something to do with liability that they won't. I contacted Lapua because I was trying to duplicate a rifle round that works great in my gun, and they practically laughed when I asked them for the load data.
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  #6  
Old 01-11-2017, 04:00 PM
GT40DOC GT40DOC is offline
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Of your three powders, Power Pistol will produce the results, safely, that you desire.
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Last edited by GT40DOC; 01-11-2017 at 04:08 PM.
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  #7  
Old 01-11-2017, 06:23 PM
JoeJ JoeJ is offline
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Maybe try and pickup some Vihtavuori powder - N-350 to be exact.

7.5 grains of N-350 behind the 230 grain Gold Dot will get you 915 fps - OAL was 1.245" - works well in my 1911.
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  #8  
Old 01-13-2017, 09:39 AM
GlenS GlenS is offline
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I had some 230 grain loads using Power Pistol. Two of the were 6.3 grains and ghe other 6.5 grains. I didn't chrono them but recoil was very strong. I bought the components to load 100 rounds of carry ammo. I loaded them to the same specs as factory ammo and used 6.5 grains of Power Pistol. Next trip to the outdoor range I plan to chrono some of the loads. Thanks for all the input.
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  #9  
Old 01-13-2017, 08:19 PM
Capt. Methane Capt. Methane is offline
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Power Pistol is one I haven't used. My GD loads with AA#5 are stout but not much different to me than factory ball ammo and I'm shooting them from an alloy framed Officer Sized pistol.
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  #10  
Old 01-13-2017, 08:53 PM
pruav pruav is offline
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This is what Gold Dots look like when fired into water.

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  #11  
Old 01-13-2017, 10:18 PM
Capt. Methane Capt. Methane is offline
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I only was able to get two shots off before the plastic jugs emptied but I can confirm those results. The perform as advertised at least under that test-and even if they don't they are still 230gr .45 bullets and they aren't going to shrink!
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  #12  
Old 01-14-2017, 02:46 PM
Black Jack Black Jack is offline
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According to Speer, the Gold Dot 230 gr 45 ACP runs at 890 fps at the muzzle.
With my chrony at 10’ from the muzzle of my 5” 1911, I am getting the following for the 230 gr GDHP:
898 fps from 7.2 gr of Power pistol
900 fps from 6.3 gr of BE-86.

The main difference between the two powders is that the BE-86 has a flash retardant while Power Pistol does not. Both of these loads are below the max loads specified by Alliant and are approximate duplicates for the factory 230 gr 45 ACP GDHP load.
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  #13  
Old 01-15-2017, 12:32 PM
buck460XVR buck460XVR is offline
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Quote:
Originally Posted by BoulderTroll View Post
I wish ammo manufacturers were willing to tell what loads they use. I'd guess it has something to do with liability that they won't. I contacted Lapua because I was trying to duplicate a rifle round that works great in my gun, and they practically laughed when I asked them for the load data.
Sometimes ammo makers use powders unavailable to handloaders. Especially in rifle and boutique type ammo.

As for duplicating factory loads, for the most it comes down to finding a powder that duplicates the factory velocity. Claimed velocities shown in recipes will be close to claimed velocities on ammo boxes. So look for a recipe with similar velocity and try those powders, most manuals will give a most accurate load. From there it may come down to pressure curve and burn rate to get matching results, but still, similar velocity is the key as for matching factory performance.
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  #14  
Old 01-16-2017, 09:34 PM
zeke zeke is offline
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AA-7, N350, Power Pistol
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  #15  
Old 01-18-2017, 06:13 PM
DG1 DG1 is offline
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Quote:
Originally Posted by zeke View Post
AA-7, N350, Power Pistol
2nd vote for the AA-7 here.
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