Cast Lead Reloads for the Glock 23

This is a discussion on Cast Lead Reloads for the Glock 23 within the Reloading forums, part of the Defensive Ammunition & Ballistics category; Last summer I worked up some cast lead loads for my Glock 23. Attachment 3319 Gun: Glock 23 with a KKM Precision barrel. Bullet: Tennessee ...

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Thread: Cast Lead Reloads for the Glock 23

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    VIP Member Array frankmako's Avatar
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    Cast Lead Reloads for the Glock 23

    Last summer I worked up some cast lead loads for my Glock 23.

    Attachment 3319

    Gun: Glock 23 with a KKM Precision barrel.
    Bullet: Tennessee Valley 180 gr TCFM cast lead.
    Powder: 6.0 grains of Accurate #5
    Primer: CCI 500 small pistol.
    Brass: Used Speer.
    Bullet Seat: 28.00mm
    Velocity: 830 fps over my old Pro-Tach chronograph.
    Dies: RCBS
    Press: Dillon 550 (one of the first made)

    This load also shoots well in my Glock 27 w/KKM Precision barrel. Velocity is somewhat slower in the G27. This load groups well in both guns and has low recoil.

    The only problem is this is a dirty powder and each round fired would leave unburned powder. It also smoked lots and after a hundred round the gun was a dirty mess.

    So this week I loaded up 300 rounds of the same load. Instead using the CCI 500 primer and I went with Winchester magnum pistol primer, # WSPM. I felt the magnum primer would burn the powder better.

    Took 176 rounds to the range to conduct the test, (rode the motorcycle and left the chronograph at home). What I found out is with the magnum primer I had no more unburned powder. Still had the smoke and a dirty gun, but no unburned powder. The recoil now was like factory ammo.

    Next step is to run the rest of the loads across the chronograph to check the different between the standard and magnum primers.

    Warning,,,,,,this load data has been tested in my guns only. If you use this load data you must conduct your own proper safety tests. This load data is intended to be used as a reference. Each individual handloader must
    determine what is the best and safest load for their equipment.

    Combat Carry is not responsible for this load data.

    Frankmako is not responsible for this load data, except in my guns.

    Do not shoot cast lead bullets and/or any reloads in the factory Glock .40 cal barrel. (That why I use the KKM barrels for cast lead bullets and/or FMJ/HP reloads.) Glock factory .40 cal barrels do not fully support the case and the KKM barrels do. Do not shoot any cast lead loads in any factory Glock barrels, they are not made for cast lead.
    Last edited by frankmako; December 10th, 2006 at 09:09 PM.

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  3. #2
    VIP Member Array Bud White's Avatar
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    ya need to post a warning about load data and it is safe in your gun etc etc there is a post that has it here some where it is required on all loading data

    Also that combat carry is not responsible for any of your load data

    also a warning not to use lead in a standard glock barrel

  4. #3
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    From what I understood, you were not suppose to use mag. primers in no mag. guns. Try some diffrent powders if it isn't burning clean.
    "In matters of style, swim with the current; in matters of principle, stand like a rock." Thomas Jefferson


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    VIP Member Array Bud White's Avatar
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    I agree with rocky i would not be using mag primers in non mag loads different powder is called for

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    Personally , I have found unique smokes bad and leaves residue. Titegroup seems alot better. I'm sure Bud , P95 and others can chime in with other good suggestions for powder to try.
    "In matters of style, swim with the current; in matters of principle, stand like a rock." Thomas Jefferson


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    Distinguished Member Array RSSZ's Avatar
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    I don't see how using a mag primer in any load would hurt the burning process. Yeah,ya gotta cut back a little on the charge to keep the pressures to a safe level.

    Rocky, please explain the "mag primers in no mag guns' thing.

    I use CCI 250's,350's,450's,and Fed.215's,in everything that I load. Never a problem. This,while cutting back on the powder charge by 1/10 to 3/10 grain in most loads. Sometimes more with the Fed.215's. --------

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    VIP Member Array Bud White's Avatar
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    I cant say for a 40 for sure but titegroup should be pretty clean even unique has become a lot cleaner in its new form

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    My understanding from reading reloading manuals was to Never use magnum primers in non magnum caliber cartridges. Reasoning being, magnum primers burn faster/ hotter= increased pressure.
    titegroup thru my .40 cal. seems to burn clean and not smoke much.
    "In matters of style, swim with the current; in matters of principle, stand like a rock." Thomas Jefferson


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    VIP Member Array frankmako's Avatar
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    i have worked up some .40 cal loads with titegroup and you are all correct, titegroup is a cleaner powder. the reason that i went with #5was i got a deal on 50 plus pounds of it last year. i have been using #5 in .40, 9mm, and 45acp. i am down to approximately 5 pounds of #5 and when it is gone i will either go back to titegroup and other brands that i have found to work well. in the past i have used magnum primers (over standard primers) in several different pistol and rifle loads (never had a problem). this was the first time that i have used them in a .40cal load. the chronograph will tell the full story, but the new magnum primers reloads feel like factory speer gold dot loads.

  11. #10
    Lead Moderator
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    do as you wish, but I would be especially careful deviating from know specs for .40 S&W.
    "In matters of style, swim with the current; in matters of principle, stand like a rock." Thomas Jefferson


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  12. #11
    VIP Member Array frankmako's Avatar
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    rocky, you are correct that you have to be careful when you deviate. the 40 cal is a hard cal to work up loads for, not like the 45acp and/or 38sp. the biggest problem is the glock barrels. kkm and efk fire dragon barrels give the best case support over others that i have seen. case support is the biggest problem with the .40 cal glocks.

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