What is the easiest caliber to convert to .300H&H

Discussion in 'Gunsmithing' started by Chris.Wood, Sep 21, 2017.

  1. Chris.Wood

    Chris.Wood AH Senior Member

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    I am hoping one of you guy's has either done this or can advise me as to what is the easiest caliber to convert to .300H&H. Is it easier to open up the bolt face on a 30-06 and rechamber for instance or is it easier to cut and rechamber a 300win mag? Or do I get a .375H&H and rebarrel?
    Also worth considering is that I plan to have both a 300H&H and a 375H&H.
     

  2. Shootist43

    Shootist43 AH ENABLER GOLD SUPPORTER AH Legend

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    Have you talked to a good gunsmith? I'll bet he has the answer you are looking for. Although rechambering a rifle may be a quick way to get the caliber you want, it will never be as valuable as a rifle made in that caliber. I bought a prewar model 70 Winchester in pristine condition for $700.00. The rifle was made in 1936 and would have been worth several thousand dollars had someone not had it rechambered to 300 Weatherby Mag.
     
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  3. Bullthrower338

    Bullthrower338 AH ENABLER SILVER SUPPORTER AH Legend

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    I agree with Shootist43. Your options for a new rifle chambered in 300 H&H is limited but there are a few. Browning, MRC(upgrade adder) and I believe Dakota chamber it.
    IMG_5562.JPG
    I just received my MRC 300 H&H and am pleased. Until Winchester starts chambering the 300 H&H again, this is your choice in a CRF semi production rifle and a fine one IMO.
    Cheers,
    Cody
     
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  4. Velo Dog

    Velo Dog AH ENABLER SILVER SUPPORTER AH Legend

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    Hi Chris.Wood,

    There are some decent deals from time to time on various rifles that are all ready to go, in caliber .300 H&H, listed in:
    www.gunsinternational.com

    Otherwise, there are virtually always decent deals about every day listed in there, for used .375 H&H and rebarreling one to .300 H&H usually requires no action work.
    Now and then, as Shootist43 said, you can find a rifle originally made for one or the other original H&H cartridges mentioned that, some moron has ruined by re-clambering to some so called "improved" (that's a laugh) cartridge.

    Such vandalized rifles are usually comparatively low in price for obvious reason.
    And, rebarreling to an original H&H caliber is usually all they need to jump and breathe again.
    Recently I passed on a $600.us asking price for an otherwise pristine condition Brno 602 Magnum that some intestine munching zombie had sawed the barrel off of to 20 inches.
    I wanted it to rebarrel (25 inches) in .300 H&H but while thinking it over for a day, it sold to someone with more sense than me (99% of the world's population).

    Still kicking myself,
    Velo Dog.
     
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  5. PHOENIX PHIL

    PHOENIX PHIL AH ENABLER AH Ambassador

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    Speaking of vandalized rifles @Velo Dog.......I'd say the crime of rape occurred here!
     
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  6. sierraone

    sierraone AH ENABLER SILVER SUPPORTER AH Legend

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    Chris, do you have an importer in Australia? Or do you want to go this route, importing a rifle from the U.S. ? If you do, pm me and I will give you the info for a contact in Australia who can import from the U.S. Also have the name of Australian member of this forum who bought a rifle from me 3 mos ago through the Aussi importer and an American exporter!

    There are post 64 M70s virtually all of the time in .300 H&H for sale on Gun Broker. Just have to go the import/export route.
     

  7. buckcurtin

    buckcurtin AH Veteran

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    Not in left-handed! I want one but have never found one.
     

  8. Bullthrower338

    Bullthrower338 AH ENABLER SILVER SUPPORTER AH Legend

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    MRC offers a leftie, but you will wait for it.
     
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  9. Dr Ray

    Dr Ray AH Elite

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    Best caliber to convert is 300 H & H

    This would save a lot of time, effort ,and money.
     

  10. Chris.Wood

    Chris.Wood AH Senior Member

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    Thanks Guys you have given me a few different options I had not considered, I might have to be on the look out for one of those so called "improved" rifles and do the right thing by it. Failing that I think I will rebarrel a second hand .375 H&H, this would probably work out as the easiest option for me in the long run.
     
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  11. Mekaniks

    Mekaniks GOLD SUPPORTER AH Elite

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    A 7mm mag or a 338wm will work as well. Just need a rebarrel and tune up the action but the bolt face is the same as 300h&h
     

  12. sambarhunter

    sambarhunter AH Enthusiast

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    Mail me I have a .300 H+H for sale if wanted
     

  13. Shootist43

    Shootist43 AH ENABLER GOLD SUPPORTER AH Legend

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    Hopefully you and sambarhunter can get together. Sounds like it would be a win, win situation.
     

  14. Chris.Wood

    Chris.Wood AH Senior Member

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    Mail is on the way SambarHunter
     

  15. Excessexpress

    Excessexpress AH Senior Member

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    I used a 375 for mine. Feeds like butter, smith did no work. He almost sounded disappointed.....
     
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