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Thread: 175 Gr 40 S&w Reloading Data

  1. #1
    Boolit Mold rocky082259's Avatar
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    175 Gr 40 S&w Reloading Data

    I'm trying to find reloading data for the 175 gr. cast bullet for 40 s&w. I can't seem to find anything on the 175 gr.

    thanks
    roger

  2. #2
    Boolit Grand Master
    Shiloh's Avatar
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    5.7 gr of AA #5 cycles a Glock 22. Max load for this powder is 6.1
    I use this powder in 9mm and .40

    http://accuratearms.com/data/Accurat...ublication.pdf

    Shiloh

  3. #3
    Boolit Grand Master


    Larry Gibson's Avatar
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    Try Lyman's 48th Reloading handbook, it has loads for 9 powders listed for 175 gr cast bullets.

    Larry Gibson

  4. #4
    Boolit Buddy
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    I've been loading the Lee 175grain TL SWC with 4.4 grains of WST at an OAL of 1.135" with very good results. Velocity is around 900 fps.

  5. #5
    Boolit Master


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    Use 180 gr lead data= Unique, IMR sr 4756 Clays, titegroup and you will find a load that works great. Using a 180 will give you a slight safety factor. The faurty is tough on the hand and hard on the heart.

  6. #6
    Boolit Master trickyasafox's Avatar
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    son of a gun I shoot a lot of those- I use unique for all my loads but don't have my books in front of me.

  7. #7
    Boolit Master


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    I had some very reliable results with Unique, although dirty, you need to run Unique on the higher end for cast. I had accurate,reliable,clean results with the faster powders Clays, Titegroup. But if your going to use a progresive press with fast powders, case fillout/fillup is not good with most of these fast powders in the forty. REMEMBER THIS*** you don't have to worrie about the squib load it's the next round that could mame or kill you. Fast powders like Clays one can easily make a Squib then a double charge and KABOOM. There is no room for mistakes with the high pressure rounds such as the 9mm and 40. So phisical checking each case is a must. Now with a little caution have fun.

  8. #8
    Boolit Master
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    i used aa7 with 175/180 in my 40's
    only accurate rifles are interesting

  9. #9
    Boolit Buddy
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    Seconds on the SR4756. IIRC it's around 7.0 grains. I don't have my booklet handy.
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  10. #10
    Boolit Buddy arclight's Avatar
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    Just tested out a new 40 load with the 175gr cast SWC. It's a reduced IPSC load:

    4.7gr W-231
    1.127" OAL

    Works good out of a USP and an XD.

    Arclight

  11. #11
    Boolit Buddy straight-shooter's Avatar
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    Quote Originally Posted by arclight View Post
    Just tested out a new 40 load with the 175gr cast SWC. It's a reduced IPSC load:

    4.7gr W-231
    1.127" OAL

    Works good out of a USP and an XD.

    Arclight

    Wow, the XD actually feeds the SWC reliably ? I have to feed my XD's either RN or TC cast bullets. SWC's have been a nightmare for me.

  12. #12
    Boolit Mold
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    I use 5 gr of 231 with a 175swc in my XD. feeds reliably and shoots well.

  13. #13
    Boolit Buddy arclight's Avatar
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    Yep, the SWC works fine in mt XD subcompact. I'm using this boolit - sort of a trucated cone SWC with a bevel base:

    http://www.tru-cast.com/

    Click on their 10mm/40 offering.

    Arclight

  14. #14
    Boolit Master
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    5.5 grains of Ramshot Silhouette in my 4" XD puts a magazine worth into 1 5/8" at 25 yards. This is a start charge, and is very easy on the shooter and pistol.

    Kevin
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  15. #15
    Boolit Mold
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    I use alliant power pistol in my CZ40p. I use the data for the 180grain fmj(shooting 180grain cast bullets). IIRC the load is 6.8-7.2. I have tried that entire range and prefer 7.0. Cycles nicely and accuracy is good.

  16. #16
    Boolit Buddy

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    Quote Originally Posted by straight-shooter View Post
    Wow, the XD actually feeds the SWC reliably ? I have to feed my XD's either RN or TC cast bullets. SWC's have been a nightmare for me.

    OAL has a lot to do with feeding problems with SWCs. Certain handguns - like the 1911 - have such a vast wealth of experience behind them that you can research most combinations of bullet, powder and OAL and find a pretty good starting point. With less common pistols, you have to do more research and personal experimentation. I'm just finishing working up a good 175 gr. LSWC load for a Taurus PT-840 (.40 S&W). Very small differences in bullet seating depth make this pistol reliably feed/chamber or experience endless FTF malfunctions. Needless to say, slightly different bullet designs can influence these things, too. With a 1911 it is common to use a LSWC seating depth where the driving band is "a fingernail's width" above the case mouth. On this particular Taurus my best seating depth is less than that, with the driving band just barely visible above the brass. Needless to say, this might not work as well on a different pistol...so again, you have to do your own experimentation. Also, as a (very) general rule for LSWCs you should err on the side of shorter OALs - being aware of increased pressure with short OALs - rather than longer ones.

    A lot of experienced reloaders get this wrong. I recently spoke with the owner of a small reloaded ammo company on the southern Gulf Coast; he said some customers were complaining that his .45 ACP LSWCs weren't feeding well. I asked to see a sample round and he had most of the first driving band above the brass. I shared the "fingernail width" rule with him and the customer complaints stopped.

    Best regards
    Doc

  17. #17
    Boolit Buddy
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    I've been using 6.5gr of AA#5 for my 175gr cast boolits for quite some time, years in fact. Just picked up the latest Lyman Reloading Manual #50 at a weekend gun show and in that tome it shows 6.1gr as a starting load with 6.9gr being maximum for the 175gr cast boolit. The 6.5gr load works fine in both my Glock 22 and Taurus PT140. After reading this thread I may try backing off a bit and see if it changes anything regarding functioning and/or accuracy. Always interesting to hear what others are using.

    sleeper1428

  18. #18
    Boolit Buddy
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    I use 5.6 gr of herco with this bullet 1.135 oal shoots good out of my xd tactical . Ive also loaded over 4.5 gr hp38 and 4.2 gr red dot .

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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