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Thread: MP H&G #50 HBWC Loads

  1. #1
    Boolit Buddy
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    MP H&G #50 HBWC Loads

    This mold was offered in a group buy a while back,it is still listed on the MP site.So I have some of the HB cast and ready to load.there is a lot of info on 148 HBWC but nothing I have found for the 125grain HBWC that the MP mold makes.I have a good supplie of bothe 38 and 357 cases.I would like to hear what sort of loads you all are using for this bullet.Thanks

  2. #2
    Boolit Buddy
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    I own this mold and can't find any good data either.

  3. #3
    Boolit Master Forrest r's Avatar
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    I've cast/swaged a couple of different bullets that were hb bullets in the same weight range (110gr to 130gr) for the 38spl's & 9mm's.

    What don't want to do is cast them with too soft of an alloy. You'll get into the blow the skirts off territory/game. I cast mine out of 8/9bhn range scrap and water dropped them. Water dropping them helped protect the hb bases from getting deformed and brought the bhn up to 11/12bhn.

    As far as data goes, use the lyman 358091 wc data & work up for accuracy.
    Starting loads
    700x 2.9gr
    bullseye 3.1gr
    titegroup 3.1gr
    AA#2 3.1gr
    231 3.7gr
    unique 3.7gr
    clays 2.7gr
    reddot 2.8gr
    N320 3.1gr
    zip 3.5gr

    When you're not sure about a bullet/load combo, look around. Speer uses a heavier 148gr soft lead swaged hbwc that is seated flush. Heavier bullet, seated deeper made out of a softer ally.
    Max loads from the speer manual for the swaged 148gr hbwc seated flush
    reddot 3.0gr
    231 3.3gr
    bullseye 3.1gr
    700x 2.9gr
    AA#2 3.1gr

    A secondary data point/cross reference, lyman 3rd edition 358495 141gr button nosed wc
    Starting loads/ some are stupid low (700x & 231)
    700x 2.2gr 8,300cup
    231 3.0gr 8,500cup
    reddot 2.8gr 9,500cup
    unique 3.8gr 10,300cup

    I've been thinning the herd of hb molds I have, down to 12hb molds that cast bullets for the 32cal/35cal/41cal/44cal/45cal's. I shoot more of the Mihec 148gr hbwc/american select (3.0gr/13,500psi+) combo then the others. Need another #4 jug of am select (9,000+ rounds per jug) or I might switch to clays.
    [IMG][/IMG]

    Don't be afraid to heat your hb bullets up. There's a huge difference between a soft swaged lead hbwc and your cast hbwc's. Did a little testing with cast hb bullets in a snubnosed 44spl.
    [IMG][/IMG]

    The bottom left & top right bullets are 2 of the main bullets I use in that ca bulldog. The top right bullet is a Mihec 220gr 44cal hbwc that was cast with 8/9bhn range scrap &water dropped making it to hard/brittle & didn't expand. Same bullet/load, this time the 8/9bhn alloy was air cooled.
    [IMG][/IMG]

    The top left bullet is a lyman 429422 hb swc that was cast out of 8/9bhn range scrap & air cooled. Then a forster hp tool was used to make the hp. The bottom right bullet was cast from a raphing hb fn mold. I initially cast some air dropped 8/9bhn bullets for the test along with pc'ing them red. I already had some 15bhn/water dropped bullets cast & coated red. Of course I grabbed the super hard bullets and used the foster hp tool to hp them. The recovered bullet didn't even deform but it did go thru 12"+ of wetpack @ 25ft.

    Why all this?
    Because with my cast hb bullets I run them in the 13,000/14,000psi for target work & +/- 18,000psi for sd loads.

    Like I said at the start of the post, I'd use the 358091 starting data.

  4. #4
    Boolit Master
    rintinglen's Avatar
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    I have used it with 3.3 grains of WW-231, and 3.0 grains of Bulls eye with good accuracy. For revolvers, you can use any load listed for a 148 grain HBWC that provides 750 fps or more. I have not managed to get around to trying this in my S&W 52 yet, so I can not speak to that yet.
    I originally bought this mold looking for light recoil target loads, but I have a hard time getting this mold into a sweet spot to cast good boolits. There seems to be a very thin line between poor fill-out and damaged boolits from opening the mold too soon. It is hard to match the production I get from my old H&G 50, though both are 4 cavity. I hope to find time this weekend to run off some more.
    _________________________________________________It's not that I can't spell: it is that I can't type.

  5. #5
    Boolit Buddy
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    Quote Originally Posted by rintinglen View Post
    I have used it with 3.3 grains of WW-231, and 3.0 grains of Bulls eye with good accuracy. For revolvers, you can use any load listed for a 148 grain HBWC that provides 750 fps or more. I have not managed to get around to trying this in my S&W 52 yet, so I can not speak to that yet.
    I originally bought this mold looking for light recoil target loads, but I have a hard time getting this mold into a sweet spot to cast good boolits. There seems to be a very thin line between poor fill-out and damaged boolits from opening the mold too soon. It is hard to match the production I get from my old H&G 50, though both are 4 cavity. I hope to find time this weekend to run off some more.
    I have a good supplie of 231 so that will be the powder i use.I have not shot may wad cutters in the past.i want these bullets for about the same reasons
    As for casting with the mold.I have the same problem with the narrow window where it like to make good bullets.i run my temp at 720 with a pid heat the mold on a hot plate .the key seems to be the speed od of your casting a go as fast as i can.this seems to work for me.still this is the worst casting mold i have ever cast.

  6. #6
    Boolit Buddy
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    But it make pretty bullets!




  7. #7
    Boolit Buddy
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    And lots of them too!


  8. #8
    Boolit Buddy
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    And they dress nicely!


  9. #9
    Boolit Buddy
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    Thanks for posting the pics NyFirefighter357 .NyFirefighter357 bought the molds I cast with them .I am the caster.He is my tech guy lol.Both bullets are from MP 4 hole molds from group buy.The powder is from Smoke.

  10. #10
    Boolit Buddy
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    Quote Originally Posted by Forrest r View Post
    I've cast/swaged a couple of different bullets that were hb bullets in the same weight range (110gr to 130gr) for the 38spl's & 9mm's.

    What don't want to do is cast them with too soft of an alloy. You'll get into the blow the skirts off territory/game. I cast mine out of 8/9bhn range scrap and water dropped them. Water dropping them helped protect the hb bases from getting deformed and brought the bhn up to 11/12bhn.

    As far as data goes, use the lyman 358091 wc data & work up for accuracy.
    Starting loads
    700x 2.9gr
    bullseye 3.1gr
    titegroup 3.1gr
    AA#2 3.1gr
    231 3.7gr
    unique 3.7gr
    clays 2.7gr
    reddot 2.8gr
    N320 3.1gr
    zip 3.5gr

    When you're not sure about a bullet/load combo, look around. Speer uses a heavier 148gr soft lead swaged hbwc that is seated flush. Heavier bullet, seated deeper made out of a softer ally.
    Max loads from the speer manual for the swaged 148gr hbwc seated flush
    reddot 3.0gr
    231 3.3gr
    bullseye 3.1gr
    700x 2.9gr
    AA#2 3.1gr

    A secondary data point/cross reference, lyman 3rd edition 358495 141gr button nosed wc
    Starting loads/ some are stupid low (700x & 231)
    700x 2.2gr 8,300cup
    231 3.0gr 8,500cup
    reddot 2.8gr 9,500cup
    unique 3.8gr 10,300cup

    I've been thinning the herd of hb molds I have, down to 12hb molds that cast bullets for the 32cal/35cal/41cal/44cal/45cal's. I shoot more of the Mihec 148gr hbwc/american select (3.0gr/13,500psi+) combo then the others. Need another #4 jug of am select (9,000+ rounds per jug) or I might switch to clays.
    [IMG][/IMG]

    Don't be afraid to heat your hb bullets up. There's a huge difference between a soft swaged lead hbwc and your cast hbwc's. Did a little testing with cast hb bullets in a snubnosed 44spl.
    [IMG][/IMG]

    The bottom left & top right bullets are 2 of the main bullets I use in that ca bulldog. The top right bullet is a Mihec 220gr 44cal hbwc that was cast with 8/9bhn range scrap &water dropped making it to hard/brittle & didn't expand. Same bullet/load, this time the 8/9bhn alloy was air cooled.
    [IMG][/IMG]

    The top left bullet is a lyman 429422 hb swc that was cast out of 8/9bhn range scrap & air cooled. Then a forster hp tool was used to make the hp. The bottom right bullet was cast from a raphing hb fn mold. I initially cast some air dropped 8/9bhn bullets for the test along with pc'ing them red. I already had some 15bhn/water dropped bullets cast & coated red. Of course I grabbed the super hard bullets and used the foster hp tool to hp them. The recovered bullet didn't even deform but it did go thru 12"+ of wetpack @ 25ft.

    Why all this?
    Because with my cast hb bullets I run them in the 13,000/14,000psi for target work & +/- 18,000psi for sd loads.

    Like I said at the start of the post, I'd use the 358091 starting data.
    Thanks for the info Forrest r

  11. #11
    Boolit Master
    rintinglen's Avatar
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    I should note that I load mine flush with the case mouth, OAL approx. 1.16".
    _________________________________________________It's not that I can't spell: it is that I can't type.

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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