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Thread: 10mm vs .357 sig for bear?

  1. #1
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    Default 10mm vs .357 sig for bear?

    Going up around Kavik in Aug. 1st time to Alaska. Not a fan of the large frame glocks (20/21). Trade offs for the smaller .357? I have a G23 that I could get a conversion barrel for .357 preventing the need of a whole new gun.

    A handgun is not the best choice for bear defense obviously but out of the two? Thoughts?

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    Obvious 10.

    Why not the SF?

    Does the new G40 have the SF grip? Because that's an awesome thing right there.

  3. #3

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    The G40 with it's 6" barrel is my next handgun. Going to have the sides slimmed .125 and some of the finger grooves removed. I expect it to be a 50-60 Yard hunting firearm, and a good 3 to 5 yard defense firearm.

    QUOTE=mike h;1453772]Obvious 10.
    Does the new G40 have the SF grip? Because that's an awesome thing right there.[/QUOTE]

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    Pretty much perfect.....................http://bestgunreviews.com/glock-pres...-at-shot-2015/

  5. #5

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    Quote Originally Posted by AGL4now View Post
    Pretty much perfect.....................http://bestgunreviews.com/glock-pres...-at-shot-2015/
    I agree. They will sell well!

    No bears here but I hunt deer mostly with a handgun and have killed a few with a model 22/40S&W. I'm liking what I see!

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    To get 357sig a 10mm case is cut down to 40s&w then neck that down to .357 so its two rungs below 10mm . . . over 300fpe below or about 40% less energy than 10mm. I'll often give up energy numbers for mass and caliber but this way your giving up mass, caliber, and energy!

    You are far better off hot loading the 40, there are 40S&W loads out there not too far off 10mm guys use for shooting bowling pins and such. You are still better off by far getting a 10mm, 44mag, 45Colt, or something . . . Glock isn't the only option, EAA Match 10mm would be my choice and Rock Island sells a 1911 in 10mm. Used revolvers are better yet and you should be able to round up a suitable big bore in Oklahoma easy enough.
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    10 without question.

    While a strong 357 mag revolver with 180 or 200 gr cast can be considered as the bottom rung for bear protection, the 357 sig can't handle the heavyweight bullets.
    Those that are successful in Alaska are those who are flexible, and allow the reality of life in Alaska to shape their dreams, vs. trying to force their dreams on the reality of Alaska.

    If you have a tenuous grasp of reality, Alaska is not for you.

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    10mm loaded with BB 220 hard cast. They will just fine.

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    15 rounds of almost .44 mag!

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    Also you may not even be able to get bear type ammo for 357 sig.

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    G40 it is. I'm 20th on the list when they ship to my distributor.

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    There's things about Glocks and hard cast bullets you should look up. Something about their hexagonal rifling.

    I've been told it doesn't matter from people I believe, but there's still a lot if talk about it. Some people drop in aftermarket barrel to address.

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    Quote Originally Posted by mike h View Post
    There's things about Glocks and hard cast bullets you should look up. Something about their hexagonal rifling.

    I've been told it doesn't matter from people I believe, but there's still a lot if talk about it. Some people drop in aftermarket barrel to address.
    I don't know nuthin bout Glocks, but I understand that Lead can build up and create problems.

    I would think the harder the cast bullet, the less the potential for a problem.

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    According to a recent article in Handloader Magazine, the 357 SIG was created go duplicate the .357 Magnum, 125 grain load in an Auto Pistol, for police use.

    It is a 40 S&W necked down, (Almost) except the neck is longer.


    Because, it is a bottleneck case, you can't use Carbide dies to handload it, but steel dies, which means you gotta lube the cases, and the bullets must be seated carefully to get them straight.

    It ain't no 357 Magnum, no way. Nor is it a Bear Gun.

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    Quote Originally Posted by Smitty of the North View Post
    According to a recent article in Handloader Magazine, the 357 SIG was created go duplicate the .357 Magnum, 125 grain load in an Auto Pistol, for police use.

    It is a 40 S&W necked down, (Almost) except the neck is longer.


    Because, it is a bottleneck case, you can't use Carbide dies to handload it, but steel dies, which means you gotta lube the cases, and the bullets must be seated carefully to get them straight.

    It ain't no 357 Magnum, no way. Nor is it a Bear Gun.

    Smitty of the North
    Nope 357sig ain't 357mag, it's 10mm that is right close to 357mag.
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    Lead bullets with copper gas checks on the bottom are safe I believe?

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    Quote Originally Posted by ADfields View Post
    Nope 357sig ain't 357mag, it's 10mm that is right close to 357mag.
    None of which are bear guns!

    Having said that I would take the 10mm Glock hands down...

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    My choice of "bear" gun is my .375 HH...........I've a G20 and pre29 that rides with me many times. A rifle sure is comforting in my hands, handguns are there if I don't have my rifle handy. Weird huh?

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    Quote Originally Posted by limon32 View Post
    None of which are bear guns!

    Having said that I would take the 10mm Glock hands down...
    Agreed and that's why I tried to get him into a big bore revolver down in post #6.

    In the last couple years I've seen a lot of bear killed with a ten, it is on the light side but proven to flat turn out the lights with a well placed shot!
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    I have no issue hunting the 10mm and good hunting bullets. In fact I am waiting for the new G40 10mm long slide to come out and hope to be hunting black bears with it.

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