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Thread: Your .38 Heavy Duty Propellants of Choice?

  1. #21
    Boolit Master



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    Quote Originally Posted by zarrinvz24 View Post
    This is interesting, seems the old Colt had consistently higher velocities, which isn’t what I would expect considering it is chambered for 357, and the HD is chambered for 38Spl. Any ideas why this is what happened? Perhaps it’s the throat and bore dimensions? I have many old Colts and they consistently are tighter than the Smith’s.
    I would say a tighter barrel and an extra inch of barrel and a tighter barrel-cylinder gap on the Colt is probably a factor.
    JMHO-YMMV
    dd884
    gary@2texastrucks.com
    Gary D. Peek

  2. #22
    Boolit Master

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    Did the chrono work yesterday with the loads in .357 brass through a 5" gun. Looks like somewhere around 1000 fps is where this project wants to go, and 10.3 - 10.5 grains of 2400 will accomplish that. . .in a .357 case.

    I guess the question now is regarding the best way to get there in a .38 case. 2400 certainly worked for Elmer and less of it should be needed in the smaller case. Also thinking that something faster (Unique) will give the same speeds with less powder mass added to the recoil equation. Anyway, I have a more solidly defined goal now - if that helps you to help me.
    WWJMBD?

    "I'M MELLLLLLLLLLTING!" - Elphaba

  3. #23
    Boolit Master
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    I have a 2" Ruger SP101 38 that I would feed heavier loads to but it mostly just sits in the safe. My other 38 is a 4" K38 and it gets what's most accurate out of it. A 160 over 3.2 of BE. Just a target or pest load but really fun to shoot. My 3" Model 60 is what I want to perform in practical terms.
    Yes, it's really this horrible;
    https://www.bitchute.com/video/ck1cZwIZK1ia/

  4. #24
    Boolit Buddy
    zarrinvz24's Avatar
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    Anyone ever try the lower H110 loads listed in the Cast bullet handbook #4?

  5. #25
    Boolit Master 358429's Avatar
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    Quote Originally Posted by zarrinvz24 View Post
    Anyone ever try the lower H110 loads listed in the Cast bullet handbook #4?
    I loaded and started testing the higher H110 loadings from #4.

    The chrono said that the 172 grain bullet crossed 1100 ft/sec from a 2.25" barrel.

    Has any yall used Winchester Autocomp in 38 special? What bullet weights did you try?





    Sent from my SM-G930T using Tapatalk

  6. #26
    Boolit Grand Master Outpost75's Avatar
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    Quote Originally Posted by 358429 View Post
    ....Has any yall used Winchester Autocomp in 38 special? What bullet weights did you try?
    Sent from my SM-G930T using Tapatalk
    Factory .38 Special +P and .38 Special (.38-44) Handloads

    .38 Special Factory Loads Reference: S&W .38-44 HD 4”____Colt New Service .357 Mag. 5”

    Super-X 158-grain Metal Penetrating____939 fps, 9 Sd_______1009 fps, 13 Sd___1950s
    Old Super-X 158-grain LRN .38-44______994 fps, 23 Sd______1024 fps, 11 Sd__Large Primer 1930s
    Winchester X38SPD 158-gr. LHP+P____909 fps, 16 Sd________936 fps, 16 Sd___1990s

    “.38-44” Handloads in .38 Special brass, W-W cases, WSP primer:

    Saeco #348 146DEWC 8.9 grs.#2400___922 fps,12 Sd___________1005fps, 34 Sd
    Acc. 36-175H 4.0 grs. Bullseye+P______871 fps, 5 Sd_____________902 fps, 14 Sd
    Acc. 36-175H 5.5grs.AutoComp+P__902 fps, 14 Sd__________947 fps, 11 Sd
    Acc. 36-175H 11.5 IMR4227+P________914 fps, 22 Sd____________981 fps, 18 Sd
    Acc. 36-190T 8.4 #2400+P___________888 fps, 21 Sd_____________926 fps, 37 Sd
    The ENEMY is listening.
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  7. #27
    Boolit Master 358429's Avatar
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    Thank you outpost75.

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  8. #28
    Boolit Master
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    Quote Originally Posted by 1006 View Post
    I like HS-6 for 38Special heavy loads.

    Reference 2400: I have read a few times that it works better with standard primers……Someone else may weigh in on it.
    +10 For HS6!

    I would add inside flash hole deburring to improve powder burn.

    2400 operates at a lower peak pressure with standard primers than with magnum primers, everything else being equal.

    three44s
    Quote Originally Posted by Bret4207

    “There is more to this than dumping lead in a hole.”

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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