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Thread: Blackmon dies

  1. #1
    Boolit Master
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    Blackmon dies

    Well I just got a SFRB in from Mr. Blackmon, had to wait a while but it was worth it.

    Received a .257 core die set and a .257 6 S point form die set from him.

    Now to get some time to play with it.
    JW

  2. #2
    Boolit Master



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    I know the feeling, mine are being shipped Monday, to complete my .30 cal. ensemble.
    Bill

  3. #3
    Boolit Buddy
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    What press are you running them in?
    I ordered a set in 17 cal and they are fine but I had to mod the punches a little to fit in a Corbin S press. Not a big drama but unexpected. The dies make great projectiles. Can not fault them as a die.
    Bill
    Last edited by Bills Shed; 09-09-2017 at 06:38 PM. Reason: Typo fix
    The bloke out in the field is always right until proven otherwise.

  4. #4
    Boolit Master



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    Quote Originally Posted by Bills Shed View Post
    What press are you running them in?
    I ordered a set in 17 cal and they are fine but I had to mod the punches a little to fit in a Corbin S press. Not a big drama but unexpected. The dies make great projectiles. Can not fault them as a die.
    Bill
    RCBS rock chuckers and a BSSP press.
    Bill

  5. #5
    Boolit Master
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    Quote Originally Posted by Bills Shed View Post
    I ordered a set in 17 cal and they are fine....The dies make great projectiles.
    Bill
    What ogive are you using?

  6. #6
    Boolit Buddy
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    Quote Originally Posted by ohnomrbillk View Post
    What ogive are you using?
    From memory it is a 6S PF die.
    I have tinkered around a bit and have made 17 - 30 gn projectiles with it. They are as good as any hunting projectile on the market in regards to accuracy. The hard part was trimming the jackets to length but I have several methods now and all is easy.
    Experimenting with poly tips now and the Blackmon die seem to handle the task well.
    I am mainly shooting ferals under permit and the 17 Hornet with the light jacketed projectile is perfect for the task.

    Bill
    The bloke out in the field is always right until proven otherwise.

  7. #7
    Boolit Master



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    Happy day, they just arrived. Look out .308's here I come.

  8. #8
    Boolit Buddy
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    Where are you getting your jackets from, or are you making your own?

    Bill
    The bloke out in the field is always right until proven otherwise.

  9. #9
    Boolit Master



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    Quote Originally Posted by Bills Shed View Post
    Where are you getting your jackets from, or are you making your own?

    Bill
    I'm experimenting with 5.7's, however I have an open tip set that goes up to a 1.40" j4's. I have a small cache of RCE 1.36's for my 300 win mag long shooter I may try a few.
    Bill

  10. #10
    Boolit Master



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    Anyone using Larry's round nose .308 dies? I seem to be getting a small nipple on the tip and are unable to adjust it out. Any suggestions?
    Bill

    Click image for larger version. 

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    left to right

    185 gr lead tip 5.7 case trimmed to taper
    185 gr 5.7 case
    215 gr rnbt
    190 gr rnbt
    Last edited by just bill; 09-27-2017 at 01:44 AM. Reason: added photos

  11. #11
    Boolit Master
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    where are you getting your 17 cal jackets from or are you making them out of 22 rimfire cases?

  12. #12
    Vendor Sponsor uncle dino's Avatar
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    The internal punch is too low.. Is there an adjustment on ejection wire? It needs to be moved up..if no adjustment a shim washer placed under internal punch should do the trick.. That little nipple is ok if you have a lead tipping punch to smooth it out. D

  13. #13
    Boolit Master



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    Quote Originally Posted by uncle dino View Post
    The internal punch is too low.. Is there an adjustment on ejection wire? It needs to be moved up..if no adjustment a shim washer placed under internal punch should do the trick.. That little nipple is ok if you have a lead tipping punch to smooth it out. D
    Thanks, the internal punch is rather pre set. The only adjustment, that can observe would be machining the punch a few thou or shimming the die.
    Bill

  14. #14
    Boolit Buddy
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    Yes the 17 jackets used in the Blackmon dies I make from 22lr cases. I draw them down through a D. Corbin die and then trim to length in a home built collet base in my drill press. Takes about 5 seconds per jacket. D. Corbin also built me a ET1 draw pinch die with several jacket length punches. I had to build a ejection system for it and it is not much quicker but a lot less manual handling in regards to hand movements to the jacket and back to the drill press. The jackets work very well in the Blackmon dies.
    Getting jackets into Australia is cost prohibitive and more red tape than I care to invest in. They work fine at 4600f/s
    Bill.S
    The bloke out in the field is always right until proven otherwise.

  15. #15
    Boolit Master reed1911's Avatar
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    They work fine at 4600f/s
    WHOA!

    I've taken mine up to 3900-4000 and they start blowing up. That is annealed and picked through for the ones with the smallest dimples. Fun for the sake of doing it, but a PITA when commercial jackets are available here so easily. Well, they were...

    Can you short stroke your process here, I'm interested to know what you may be doing different to get that kind of velocity out of them without making them burst mid-flight.
    Ron Reed
    Oklahoma City, OK
    info@reedsammo.com

  16. #16
    Boolit Master
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    Spin is the bullet killer. I've taken my .224s well past 4100 fps but that was in a 1-12" twist, that's only 246k rpm. Failure occurs at about 320k rpm with my .224s and 22LR jackets.

  17. #17
    Boolit Buddy
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    Quote Originally Posted by reed1911 View Post
    WHOA!

    I've taken mine up to 3900-4000 and they start blowing up. That is annealed and picked through for the ones with the smallest dimples. Fun for the sake of doing it, but a PITA when commercial jackets are available here so easily. Well, they were...

    Can you short stroke your process here, I'm interested to know what you may be doing different to get that kind of velocity out of them without making them burst mid-flight.
    Please remember that velocity is for a 17cal and not the .224" projectiles. In 224 I run no faster than you.
    Bill
    The bloke out in the field is always right until proven otherwise.

  18. #18
    Boolit Master reed1911's Avatar
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    Yep, I'm talking .17 here too.
    Ron Reed
    Oklahoma City, OK
    info@reedsammo.com

  19. #19
    Boolit Buddy
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    OK For the 17 cal, I do no different. I draw them down and the jackets are just under .012" thick. They are then trimmed to length with a end mill. All other operations are done in a set of Backmon dies. These were shot out of a 17/222. Could not tell you the twist rate. Testing is ongoing.

    Bill
    The bloke out in the field is always right until proven otherwise.

  20. #20
    Boolit Buddy
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    I stand corrected, the testing has only gone to 4400+
    http://ausvarmint.com/forum/viewtopic.php?f=49&t=22481

    Bill
    The bloke out in the field is always right until proven otherwise.

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