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Is 5.56x45mm safe to shoot in Mini-14?

Discussion in 'Rifle Country' started by RocketmanVT, Jun 4, 2008.

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  1. RocketmanVT

    RocketmanVT Member

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    I've come across a statement recently (no, I can't remember where) that implied that it is NOT SAFE to fire military 5.56x45mm ammo in a rifle chambered for .223 cal.

    I have a pre-ban Ruger Mini-14 that I treasure, and would hate to damage it (or ME) in any way, by firing the wrong ammo...

    Does military 5.56 ammo develop chamber pressures that are dangerously high for a Mini-14?
     
  2. CBS220

    CBS220 Member

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    Yes, 5.56 is fine in the Mini.
     
  3. Brass Rain

    Brass Rain Member

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    I don't know about the Mini-14 specifically, but I know that 5.56x45 operates at higher pressures than .223 and that it's generally unsafe to fire 5.56 in a .223 chambered gun.
     
  4. RocketmanVT

    RocketmanVT Member

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    I'm concerned because I have a great deal of military ammo, and I LOVE to take the Mini out and pop off a few hundred rounds at a time...:evil:
     
  5. brighamr

    brighamr Member

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    if the mini is chambered for .223 (it would have this stamped on the bbl); .556 might cause problems. I highlight might because SAAMI put out a statement saying it might, personally I've never seen pictures of a .556 blowing up a .223 receiver.

    OTOH, if the mini is chambered for .556, you can shoot .556 or .223 all you want.
     
  6. MAKster

    MAKster Member

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    According to the owners manual the Mini-14 is designed to fire both.
     
  7. jmabbott888@aol.com

    jmabbott888@aol.com Member

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    My Mini 14, a 184 series made in 1985 in stainless fires military ammo with no problem, maybe I should refrase that, it did fire military issue ammo from the 80's thru about 1995, haven't tried any newer ammo in it, the rest I fire are reloads.
     
  8. Ridgerunner665

    Ridgerunner665 Member

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    All Mini 14's have a 5.56 chamber...call Ruger if you want to ease your mind...but I assure you.....they have a 5.56x45mm chamber.

    So do the Ruger #1's.
     
  9. Art Eatman

    Art Eatman Administrator Staff Member

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    I put a bunch of GI stuff through my Minis. Never any sort of problem. Folks have posted here that the instruction book with their Mini said it was okay, but I haven't seen a "Minibook" in years and years. :)
     
  10. RocketmanVT

    RocketmanVT Member

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    Thanks, gents - you've gone a long way toward easing my mind.
    I do think it would be a good idea to call Ruger, just to get the official stance on the issue (can you tell it's an election year?)
     
  11. Neo-Luddite

    Neo-Luddite Member

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  12. TexasRifleman

    TexasRifleman Moderator Emeritus

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    Just read the owner's manual, it's VERY clear that it's fine in a Mini.

    You can call them all you want, but they already put it in the manual.
     
  13. rcmodel

    rcmodel Member in memoriam

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    The Ruger Mini-14 has always been able to use 5.56 GI ammo, since the first one was made.

    It says so on Page 11 of the owners manual:
    http://www.ruger-firearms.com/Firear...Manuals/24.pdf

    They have always been marketed to law enforcement & even foreign governments, for military & LEO use, and as such are perfectly capable of safely shooting any 5.56 NATO ammo.

    rcmodel
     
  14. Nugilum

    Nugilum Member

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    As rcmodel said, middle of page 11.

    AMMUNITION
    The RUGER® MINI-14® RANCH RIFLES are chambered for the .223 Remington (5.56mm) cartridge. The Mini-14 Ranch Rifle is designed to use either standardized U.S. military, or factory loaded sporting .223 (5.56mm) cartridges manufactured in accordance with U.S. industry practice.
     
  15. RocketmanVT

    RocketmanVT Member

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    I'm not sure it makes much difference, but the Owner's Manual posted here stipulates that it covers Ranch Rifles from series 580-XXXXX...

    Mine is a stainless in the 181-XXXXX series, for which I have no manual.
     
  16. rcmodel

    rcmodel Member in memoriam

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