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Winchester Introducing a Rimless 357 Max

Discussion in 'Rifle Country' started by bluetopper, Jan 19, 2019.

  1. Speedo66

    Speedo66 Member

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    Should make an interesting semi-auto pistol.
     
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  2. someguy2800

    someguy2800 Member

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    The 357 maximum is a nice little 150-200 yard deer round pushing a 180 grain XTP at 2000 fps. The biggest thing hampering it is there are are only a few bullets well suited to it since 357 magnum bullets are too soft, and 35 rem bullets are too tough. I'm very excited to see this come out. I don't want one, I just hope we see some new spitzer 357 bullets offered in the 180-200 grain range designed for the 2000 fps velocity range.

    I always thought an even better deer round than both would be a straight wall 6.8 spc loaded with 41 magnum bullets. As it turns out someone did make essentially a straight wall 6.5 grendel to use 40 caliber muzzleloader bullets. I just found it by searching. Unfortunately it uses rather obscure Carcano brass as its parent.

    https://www.thefirearmblog.com/blog/2017/06/08/400ar-another-wildcat-cartridge-ar-15/
     
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  3. sevt_chevelle

    sevt_chevelle Member

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    How is the 450 too big for deer? It uses the same projectile as a 20 gauge slug, is a 20 gauge also too big for deer?
     
  4. bluetopper

    bluetopper Member

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    A 35 cal bullet in a 308 case made to fit in an AR-15 would be great.
     
  5. The Happy Kaboomer

    The Happy Kaboomer Member

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    Kinda looks like they ndusted off the old win. 351 WSL..........look it up,
     
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  6. someguy2800

    someguy2800 Member

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    That is called a 358 yeti. They are out of stock on them for the next couple months but I am getting one for next deer season.

    https://www.maddogweapons.com/358-yeti.html
     
  7. alfsauve

    alfsauve Member

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    I too am a .357Max fan. Shot it in IHMSA for a number of years. Yes, maybe it'll spur a better selections of .357 bullets
     
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  8. jmorris

    jmorris Member

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    If that was a deal breaker the 300 blk wouldn’t exist.
     
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  9. 351 WINCHESTER

    351 WINCHESTER Member

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    A modern day .351 Winchester. Interesting.
     
  10. Jim Watson

    Jim Watson Member

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    Specs will be interesting. A straightened out .223 is not quite a .38 or even 9mm. Head diameter will likely be larger. Like a rimless .357 Max, eh? But probably no so much larger that you can't rebarrel an AR for it with little if any other change.

    I guess it will be good for those "straight case" hunting states, for those who don't mind throwing uncommon brass in the weeds.
     
  11. jmorris

    jmorris Member

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    If it’s a rebated rim, so it uses the same bolt as a .223, it wouldn’t be the first round to implement the idea.
     
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  12. adcoch1

    adcoch1 Member

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    I forgot to post earlier that I want one of these in a bolt gun. I will most likely build an ar upper too, but the bolt gun is more interesting to me. Think short handy suppressor host.
     
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  13. Elkins45

    Elkins45 Member

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    Or get a lightweight AR10 and chamber it in 358 Winchester. If ever there were a cartridge that deserves a second look it’s the 358. Best cast bullet cartridge there is.
     
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  14. troy fairweather

    troy fairweather Member

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    yes 358 win is a fantastic round. i cringe when ever i see it listed in the obsolete section.
     
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  15. jmorris

    jmorris Member

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    Upon further reflection, I can’t believe the name. 350 legend is doomed for failure. They should have named it the 358 velociraptor...
     
  16. LoonWulf
    • Contributing Member

    LoonWulf Contributing Member

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    No stealing my idea!
     
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  17. adcoch1

    adcoch1 Member

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    It's MY idea Loonwulf! Don't steal it from ME! Jk, but I really want to build a mini Mauser switch barrel in a 357 max rimless, and 221 fireball, and maybe 6x45. Switch barrel makes it easy, but I may just build it on a savage action.
     
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  18. CraigC
    • Contributing Member

    CraigC Member

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    Very interesting, will keep an eye on this one.
     
  19. sabbfan

    sabbfan Member

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    They now have it listed on Winchester’s ammo website with velocities and weights. Looks like 150 grain up to 265

    https://winchester.com/Products/Ammunition/Rifle

    If you click on the down arrow next to features it brings up the ballistics on each different type
     
  20. bluetopper

    bluetopper Member

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  21. 25-20 WCF

    25-20 WCF Member

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  22. Goosey

    Goosey Member

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    I'll quote them here:

    145 gr USA FMJ, 2350 fps, 1778 ft lbs, BC approx 0.182
    150 gr Deer Season XP, 2325 fps, 1800 ft lbs, BC approx 0.222
    160 gr Power Max Bonded, 2225 fps, 1759 ft lbs, BC approx 0.202
    180 gr Super X, 2100 fps, 1762 ft lbs, BC approx 0.220
    265 gr Super Suppressed, 1060 fps, 661 ft lbs, BC approx 0.326
     
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  23. someguy2800

    someguy2800 Member

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  24. someguy2800

    someguy2800 Member

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    The 145-180 bullets all are really disappointing in BC compared to the Hornady 180 xtp that works really well in the 357 maximum.
     
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  25. someguy2800

    someguy2800 Member

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    Interestingly it looks like the case is .105" longer than the 357 maximum, just to make life more complicated.
     
    Gordon likes this.
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