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Thread: Lee TL358-148-WC

  1. #1
    Boolit Man
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    Lee TL358-148-WC

    I have a Lee TL358-148-WC. I bought a .358 sizing push through Lee die. For the time being, these will be shot out of a 38 special Ruger LCR.

    I have a ton of Hodgdon Clays powder. Ideally I'd like to load these using Clays. I have a couple questions. Hodgdon lists a charge of 2.3-2.5 for HBWC. I understand that the DEWC that the Lee drops won't be subject to the same limits that the HBWC is. I understand that if you push HBWC too fast, the HB could separate from the top of the bullet.

    However I am a bit concerned as Clays is a pressure sensitive powder. I want to err on the side of seeking advice before loading it. I thought that HBWC allowed for more room for powder in the case. Will this result in pressures that are too high with that same load in DEWC as opposed to HBWC?

    Also, where should I crimp these? For the most part these bullets seem fairly symmetrical. I am not positive if it matters which end is the top vs bottom. I don't see a crimp grove, just a bunch of TL grooves.

    Would I be able to push these at +P velocities? I don't see loads listed for WC for +P. I see a few vihtavuori recipies in Modern Reloading. An older version of the book includes some 357 mag recipes for several powders. The pressures, velocities and charge weights listed in the first edition of Modern Reloading are higher than what is listed in the newer books.

  2. #2
    Boolit Master
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    There is good data in the Lyman Cast Bullet Handbook for the 148 Grain WC which should do well with your choice of bullet. The 148 gr WC is usually seated flush with the case mouth so why would there be a crimp groove? Being seated to the case mouth, there is very little space within the case so you do not want to hot rod the load because there will be extreme pressure build up with very small charge variations.

    Do you think it wise to work with +P loads in the light weight Ruger LCR?

  3. #3
    Boolit Man
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    I wouldn't shoot a lot of +P but I would consider it a bit if I were to carry them. Does Lyman 4 list clays? I didn't see it in 3 but I am not sure when that powder came out. I think 3 is from 1980.

  4. #4
    Boolit Master
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    Yes, Lyman Cast Bullet Handbook #4 does list Clays for the 38 special 148 grain WC cast bullets.

  5. #5
    Boolit Man
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    Thanks, I'll have to pick up a copy then.

  6. #6
    Boolit Buddy Wheelguns 1961's Avatar
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    2.3 start 742fps 12,200psi. 2.7 max 868fps 16,600psi. 1.265 col. This is for a saeco #052, ought to be pretty close.
    Due to the price of primers, warning shots will no longer be given!

  7. #7
    Boolit Master

    gwpercle's Avatar
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    Quote Originally Posted by Wheelguns 1961 View Post
    2.3 start 742fps 12,200psi. 2.7 max 868fps 16,600psi. 1.265” col. This is for a saeco #052, ought to be pretty close.
    The above info is correct but you still need to get a Lymans Cast Bullet Handbook #4 ....there is a lot of good information in that book . The #3 and #4 Manuals are usually my first go to references when loading cast. Read it , cover to cover...you will learn at least 10 years of stuff the easy way .
    Me , being not to bright, learned a lot the hard way but after getting the Lyman Manual learned much more the easy way .

    You can crimp the double ended TL design in one of the upper lube grooves or seat them flush. I like to crimp in a top or second groove , it seems accuracy is a little better like that .
    Gary
    Last edited by gwpercle; 01-11-2019 at 05:33 PM.
    Certified Cajun
    Proud Member of The Basket of Deplorables

  8. #8
    Boolit Man
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    I will pick up a copy of that book. I really enjoy reading about reloading and casting.

  9. #9
    Boolit Master FergusonTO35's Avatar
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    I have this mold and the Lyman equivalent. I actually seat mine like a stubby SWC, crimped in the last groove at the top of the boolit. My fave load for these is 3.1 grains Bullseye with a Federal primer, clocks 712 fps out of my S&W 637 and super accurate. I tried Clays up to the published max with a 150 grain SWC. It shot fine, but had less velocity than an equivalent Bullseye load. I think 3.4 grains Bullseye was 50 fps faster than 2.8 grains Clays. I'm going to try Accurate Nitro 100 next.
    Currently casting and loading: .32 Auto, .380 Auto, .38 Special, 9X19, .357 Magnum, .257 Roberts, .30 WCF, .45-70 Gov't.

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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