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Thread: Lee 156-120-TC?

  1. #1
    Boolit Master

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    Lee 156-120-TC?

    Can someone tell me what diameter this bullet drops from the mold?
    Thanks.
    leadhead

  2. #2
    Boolit Grand Master


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    My 6 cavity 356-120-TC drops at .358+ using COWWs + 2% tin.
    Larry Gibson

    “Deficient observation is merely a form of ignorance and responsible for the many morbid notions and foolish ideas prevailing.”
    ― Nikola Tesla

  3. #3
    Boolit Master

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    Thank You Larry....That's what I was looking for.
    How does it shoot for you?
    leadhead

  4. #4
    Boolit Master 243winxb's Avatar
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    2 cavity .358" Accurate in Taurus G3C about 6.5" @ 25 yards. Sized to .356"+
    https://www.thehighroad.org/index.php?media/9mm-lee-356-120-tc.3597/full
    Last edited by 243winxb; 08-25-2022 at 09:29 PM.

  5. #5
    Boolit Master


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    My Lee .356 -120 TC drops at .3560 with WW mixed with range scrap. I powder coat the bullets and size to .358 to get them large enough for my bore.

  6. #6
    Boolit Master

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    I can't use it if they only drop at .356 ..... I need at least .357
    leadhead

  7. #7
    Boolit Master
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    Mine runs .357-.358”. I size to .357”. I formerly sized .356” but found.357” is more accurate in my S&W’s.
    But with no more than I’m shooting now, RMR jacketed at their low prices beats casting 9’s. Saves my lead for .45’s, .40’s and rifles...
    Primers are the problem! Even cast scrap bullets require primers!

  8. #8
    Boolit Buddy Krh1326's Avatar
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    Wife’s Sig P938 eats these up, PC sized to .357

  9. #9
    Boolit Master

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    Quote Originally Posted by GooseGestapo View Post
    Mine runs .357-.358”. I size to .357”. I formerly sized .356” but found.357” is more accurate in my S&W’s.
    But with no more than I’m shooting now, RMR jacketed at their low prices beats casting 9’s. Saves my lead for .45’s, .40’s and rifles...
    Primers are the problem! Even cast scrap bullets require primers!
    My lee 356-120-TC runs about .357" with 50/50 COWW/ pure lead.

    RMR makes great bullets, and at a fair price. Great people to deal with.
    Maker of Silver Boolits for Werewolf hunting

  10. #10
    Boolit Master
    Ed_Shot's Avatar
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    My 2 cav 356-120-TC drops at .358+ using my 3-2-95 alloy. Perfect function and very accurate in every 9MM I've tried.
    COME AND TAKE IT
    Let’s Go Brandon!!!!

  11. #11
    Boolit Grand Master

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    I cast with 50-50 (COWW-Lead) with a double cavity Lee Mould
    they drop out .3578"
    Perfect for sizing to .357" for use in 9mm Luger or they can be run through a .358" sizing die to get lubed ...they just get rounded out , for use in 38 special / 38 special +P and 357 magnum .

    Very versatile little design ... and , I hear , they feed well in lever action rifles !
    Gary
    Certified Cajun
    Proud Member of The Basket of Deplorables
    " Let's Go Brandon !"

  12. #12
    Boolit Grand Master
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    One of the sorrows of LEE molds is that they are not as consistent as their higher cost competitors in as-cast size. We might both buy that mold and mine might be .358 right on the money, while yours with the same alloy could be either larger or smaller. You sort of pays your money and takes your chances.
    However, that is an excellent boolit and mine runs just a smidge over .358 with my range lead and 1% Sn alloy.
    _________________________________________________It's not that I can't spell: it is that I can't type.

  13. #13
    Boolit Buddy
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    I'm about to purchase this mold in 6 cavity design. Would anyone know if it is inherently more accurate than the 124 grain tumble-lube round nose design?

  14. #14
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    Quote Originally Posted by sknhgy View Post
    I'm about to purchase this mold in 6 cavity design. Would anyone know if it is inherently more accurate than the 124 grain tumble-lube round nose design?
    "inherently more accurate"
    only your gun is gonna tell you the facts

    IMHO, I've found Lee's TL pistol boolit designs are more troublesome then their traditional lube groove designs.

    Specifically about the Lee 156-120-TC, I am a big fan if you get a mold that drops fat enough. I've owned 3 of them, only the third one I purchased cast fat enough for my guns.
    ~~~~~~~~~~~~~~
    “If someone has a gun and is trying to kill you, it would be reasonable to shoot back with your own gun.”
    ― The Dalai Lama, Seattle Times, May 2001

  15. #15
    Boolit Master nueces5's Avatar
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    i had one of those two cavities, i could never get it to give me boolits higher than 356, i did everything i could, it never worked

  16. #16
    Boolit Master
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    Did you try to beagle the mold or lapping the mold larger?

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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check