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Thread: Ovideo Mauser

  1. #41
    Boolit Master


    richhodg66's Avatar
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    Was that .30-30 you built on one of these actions?

  2. #42
    Boolit Master Texas by God's Avatar
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    Quote Originally Posted by richhodg66 View Post
    Was that .30-30 you built on one of these actions?
    Yes sir, that is the action I am referring to.

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  3. #43
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    all these pictures are spelling love! I really like my 98's but I like these smaller actions a wee bit more! I just wish I had bought a pile of them when I bought all my 98s. Those are really nice looking guns.
    Look twice, shoot once.

  4. #44
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    They're growing on me too. This one is a toy for the most part, but I lucked into a decently sporterized '93 in 7x57 a few months ago that I have fallen in love with. Shot this target at 100 yards with it the other day.
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  5. #45
    Boolit Master Texas by God's Avatar
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    Well, now we need to see the 7x57 as well. If mine had shot that well it might have stayed a 7mm- but three 175 rn factory Federal made a 14" pattern at 40 yards. That sealed the rebarrel project for sure.

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  6. #46
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    Click image for larger version. 

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    After market barrel, laminated stock, low swing safety, about the only things he didn't do was install a better trigger and grind the mag follower so it doesn't lock open when empty, even had the Weaver K4 on it now when I bought it, though I did put it in better rings. It's a very slim, easy handling and pointing rifle. Cost $250 out the door, I think I did alright. By the way, it's a for real made in Berlin, not an Oviedo.

  7. #47
    Boolit Master Texas by God's Avatar
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    That is nice. Worthy of a trigger!

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  8. #48
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    Probably so. It's a neat rifle, I had always wanted a 7x57 sporter and had a few over the years, but none of them ever clicked with me for one reason or another and they all went down the road. This one is a keeper.

  9. #49
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    Picked up my Oviedo '28 (just the complete action) back in '68. It hadn't been modified so I figured it had maybe 2 -3 7.57 barrels on it if that. I forged the bolt handle, d&t'd if for a scope and Lyman 48 receiver sight, rebarreled with a Star 24" .308W barrel and bedded it in a Richards Micro fit stock. Used it extensively through the seventies shooting out the 1st barrel and then a second barrel in .308W (I had access to lots of 7.62 M80 ball). When I rebarreled it with the 2nd .308W barrel I also converted the bolt to cock on opening.

    When the 2nd barrel was shot out I had a new 2 groove '03A3 barrel shortened and installed chambering it to a cast bullet cartridge of my own; the 308 CBC. That was the .308W case with the shoulder set back giving it a 30-06 length neck. The case held just enough 4895 to drive the 311284 at 2200 fps. I was expecting very good accuracy because the '03A3 barrel was supposed to be just the ticket for those long bore riding nosed cast bullets. Didn't turn out that way as I didn't understand the adverse affect of RPM at that time. Thus best accuracy runs at 1850 - 1940 fps with the 311291, 311041, 311284 and 311299,314299. Just the same as with the standard '06 two and 4 groove barrels. Knowing what I know now and since I was forming cases anyway rebarreling with a 26" barrel in 30x57 (CBC) with a 4 groove 14" twist barrel would have been a better choice, even better than rebarreling to 7x57.

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    Larry Gibson

    “Deficient observation is merely a form of ignorance and responsible for the many morbid notions and foolish ideas prevailing.”
    ― Nikola Tesla

  10. #50
    Boolit Master Texas by God's Avatar
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    Larry, is that 30 x 5/7 CBC exactly what it says? CBC meaning cast bullet cartridge? The 7mm Mauser necked up to 30 caliber? I used that same model of Richard stock on a 96 Swedish Mauser to make a very nice Sporter.

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  11. #51
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    Yes the 30x57 is basically the 7x57 necked up. It is formed in shortened 30-06 dies [shortened just enough for an 8x57 case so the shoulder set back so the neck is 30-06 length] using 7x57, 8x57 or any of the '06 family of cartridge cases. The cases are very, very easy to form. The use of regular '06 dies and '06 reamers cuts way down on the cost as no custom dies or reamers are needed. I suggest shortening the '06 FL die appropriately to form the case, form 3 cases to headspace with and then use '06 reamers to short chamber to headspace the formed 30x57 cases. It's that easy.

    The case also has the appropriate taper so no alteration to Mauser feed rails is needed for 100% feeding. The case capacity is very close to a .308W (maybe a gr or two more depending on how far you set the shoulder back) but due to the taper a .308W should not chamber. Additionally since there is no equivalent commercial cartridge you control the psi of any loaded rounds jacketed or cast that will be used in the action. It is an excellent cartridge to use when rebarreling a SR Mauser action, especially if a 14" twist barrel is used.

    Yes, "CBC" does stand for Cast Bullet Cartridge.
    Larry Gibson

    “Deficient observation is merely a form of ignorance and responsible for the many morbid notions and foolish ideas prevailing.”
    ― Nikola Tesla

  12. #52
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    Quote Originally Posted by Larry Gibson View Post
    Picked up my Oviedo '28 (just the complete action) back in '68. It hadn't been modified so I figured it had maybe 2 -3 7.57 barrels on it if that. I forged the bolt handle, d&t'd if for a scope and Lyman 48 receiver sight, rebarreled with a Star 24" .308W barrel and bedded it in a Richards Micro fit stock. Used it extensively through the seventies shooting out the 1st barrel and then a second barrel in .308W (I had access to lots of 7.62 M80 ball). When I rebarreled it with the 2nd .308W barrel I also converted the bolt to cock on opening.

    When the 2nd barrel was shot out I had a new 2 groove '03A3 barrel shortened and installed chambering it to a cast bullet cartridge of my own; the 308 CBC. That was the .308W case with the shoulder set back giving it a 30-06 length neck. The case held just enough 4895 to drive the 311284 at 2200 fps. I was expecting very good accuracy because the '03A3 barrel was supposed to be just the ticket for those long bore riding nosed cast bullets. Didn't turn out that way as I didn't understand the adverse affect of RPM at that time. Thus best accuracy runs at 1850 - 1940 fps with the 311291, 311041, 311284 and 311299,314299. Just the same as with the standard '06 two and 4 groove barrels. Knowing what I know now and since I was forming cases anyway rebarreling with a 26" barrel in 30x57 (CBC) with a 4 groove 14" twist barrel would have been a better choice, even better than rebarreling to 7x57.

    Click image for larger version. 

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    Larry I know that if you had been casting bullets with a .1 grain variation between bullets you would have shot much better groups with that 2 groove barrel. I know you read my 1909 Argentine post and it shot very well for a 9.8 twist. My bullet weights were very consistent and that was a 10 shot group that I've repeated to make sure it wasn't just luck, so it's my go to load for that Argentine.

  13. #53
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    So if I were to get a Timney trigger for an Oviedo, I would order the M95-6 model of this one, is that correct?

    https://www.timneytriggers.com/shop/...t-trigger.aspx

    After a little fooling with it using oversized bullets and I now have the Lee mold for the Hungarian straight pulls and over sized sizers, I think this rifle is worth putting a little effort into.

  14. #54
    Boolit Master Texas by God's Avatar
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    I would check with the gunsmith hotline at Brownells. Apparently there are two different lengths of trigger blade on the Timney for the small ring Mauser. The one I have on my 1916 small ring has a short trigger blade that is noticeable but is no problem while shooting it.
    I hope this helps.

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  15. #55
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    Thanks for the tip.

  16. #56
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    My friend built a 7.62x57 SMR too. Used a 30-06 reamer run short and made dies from shortening a set of 30-06 dies 6mm. He uses 8x57 brass to make the cases with just one pass though the sizing die. I haven't had a chance to shoot it yet. He says he built it from "junk," NOS Springfield 03 barrel, FN 94 action and Swedish Mauser stock.

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  17. #57
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    map55b

    If your friend used an '06 reamer with integral neck his case aols are considerably short for the chamber as the necks using formed 8x57 are too short. His chamber is essentially the same as my 30x60 XCB cartridge. I form my 30x60 cases using 30-06 brass.

    Here is the 308 CBC, the 308W, the 30x57 (with '06 length neck), the 30x60 XCB and the 30-06. The 30x57 and the 30x60 and formed using shortened '06 dies. A 30-06 reamer is also used to short chamber the barrel to headspace on the formed cartridge. Both are excellent cartridges for Mauser actions.

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    Larry Gibson

    “Deficient observation is merely a form of ignorance and responsible for the many morbid notions and foolish ideas prevailing.”
    ― Nikola Tesla

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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