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Thread: RCBS molds...

  1. #1
    Boolit Master


    Burnt Fingers's Avatar
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    RCBS molds...

    I went out for a bit today to cast with my new RCBS mold.

    I have to really give RCBS credit. They make a really nice mold. I hosed it off with brake cleaner, put it on the hot plate and when the pot was ready I started to cast.

    I put the first four back in the pot and everything after that was perfect. When you've been casting with aluminum and brass you kind of forget how nice an iron mold is.
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  2. #2
    Boolit Master MOA's Avatar
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    So true. I've always thought they made very good molds. Frankly a bit better than Lyman. Lymans only edge use to be the number of different styles offered, and just the hugh numbers out in the retail and secondhand market, but now they no longer even have that anymore.

  3. #3
    Boolit Buddy alfadan's Avatar
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    I haven't been disappointed in an RCBS mould yet.

  4. #4
    Boolit Grand Master

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    RCBS makes a nice mold. I always wished they would make 4 cavity molds.

  5. #5
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    I have several RCBS moulds that work flawlessly!

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    Quote Originally Posted by lightman View Post
    RCBS makes a nice mold. I always wished they would make 4 cavity molds.
    /\ Ditto /\

    RCBS molds are top notch but that two cavity limit is a tad disappointing.

    My alternative is SAECO. They make an outstanding iron mold. They are a bit pricy but you're only going to buy it once.

  7. #7
    Boolit Master

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    I have a few that I really like, but it seems that they often are a tad undersized. They drop like rain and clean up well. I love the 357 180 in my 1894C.

  8. #8
    Boolit Master
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    My RCBS molds always make me smile!

    My RCBS 250K tops the list!

    As far as most being two cavity, the thing is that you get two great boolits every time so long as you are in the eye of the curve. Others have more holes but you do not get more perfect slugs as often.

    An old hand at casting told me that multiple cavities are fine but generally, production is not always that much higher. By the time you sort it all out the difference blurs.

    Three44s
    Quote Originally Posted by Bret4207

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

  9. #9
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    FYI RCBS molds have larger vent lines than other molds, if you pressure cast with hard alloy or cast too hot you get "finger/hairs where the vent lines are.

    Not a problem if you know they will do that. I usually cast around 680 -720 except for pure where I go in the 750 780 range.

  10. #10
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    I have My favorite RCBS Bullet Molds in pairs.
    They do cast Beautiful Bullets and are a pleasure to cast with.
    Double your pleasure, double your output.
    I HATE auto-correct

    Happiness is a Warm GUN & more ammo to shoot in it.

    My Experience and My Opinion, are just that, Mine.

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  11. #11
    Boolit Master


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    Quote Originally Posted by Burnt Fingers View Post
    I went out for a bit today to cast with my new RCBS mold.

    I have to really give RCBS credit. They make a really nice mold. I hosed it off with brake cleaner, put it on the hot plate and when the pot was ready I started to cast.

    I put the first four back in the pot and everything after that was perfect. When you've been casting with aluminum and brass you kind of forget how nice an iron mold is.
    Be careful, heat and some brake cleaners can be debilitating or fatal. Search for Brake Cleaner Phosgene Gas.
    I give loading advice based on my actual results in factory rifles with standard chambers, twist rates and basic accurizing.
    My goals for using cast boolits are lots of good, cheap, and reasonably accurate shooting, while avoiding overly tedious loading processes.
    The BHN Deformation Formula, and why I don't use it.
    How to find and fix sizing die eccentricity problems.
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    A few musings.

  12. #12
    Boolit Master
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    I have a RCBS .38 158 gr RN from the 1980's and it still cast great bullets, always wished they made 4 cav molds.

  13. #13
    Boolit Master


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    Quote Originally Posted by HangFireW8 View Post
    Be careful, heat and some brake cleaners can be debilitating or fatal. Search for Brake Cleaner Phosgene Gas.
    Not to worry. I let the brake cleaner evaporate first and I use non-chlorinated brake cleaner.
    NRA Benefactor.

  14. #14
    Boolit Grand Master In Remembrance
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    Of the 310 molds of many different brands in inventory, 31 are RCBS and Saeco's. Yes, they cast nicely but I have determined that the Paul Jones, Hoch and Accurate molds cast better than any other brands, including Ideals, I have cast for calibers starting from 22LR up to 50-70, plus metrics
    Regards
    John

  15. #15
    Boolit Master Jack Stanley's Avatar
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    Quote Originally Posted by lightman View Post
    RCBS makes a nice mold. I always wished they would make 4 cavity molds.
    You are not the only one with that wish .

    Jack
    Buy it cheap and stack it deep , you may need it !

    Black Rifles Matter

  16. #16
    Boolit Master
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    Have used their molds in 38 KT, 44 SWC , and 45 RN and SWC (Colt and ACP) as well as a 308-165 SIL. Cast excellent bullets that filled well and dropped without issues. Went over to five and six cavity NOE and Lee for increased production as well as the lighter weight being less fatiguing in long casting sessions. While four cavities would nice arthritis in my hands and wrists means going with the lightest molds.

  17. #17
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    If RCBS made 4 cavity molds, I doubt I would own anything else.
    _________________________________________________It's not that I can't spell: it is that I can't type.

  18. #18
    Boolit Master
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    Quote Originally Posted by mattw View Post
    I have a few that I really like, but it seems that they often are a tad undersized. They drop like rain and clean up well. I love the 357 180 in my 1894C.
    my trapper loves that boolit too .i just fill the mold let it stand for a couple of minutes discard those then it casts great boolits.

  19. #19
    Boolit Grand Master
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    40+ years ago I bought my first new mould, a double cavity 44 mould - their version of the Keith pattern. I fought with it for a few casting sessions then bought an old, well seasoned Ideal 429421 SC and found happiness. I haven't been back to RCBS in all these years, but maybe I'd better go back and try again now that I've mellowed a bit with age and have more experience with a variety of moulds. For precision casting with production moulds, I still prefer single cavity iron moulds though.

    Froggie
    "It aint easy being green!"

  20. #20
    Boolit Master
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    I have probably a half dozen RCBS molds...all I can say is "ditto".
    "In general, the art of government is to take as much money as possible from one class of citizens and give it to another class of citizens" Voltaire'

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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
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