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10MM fans? Nay or Yay? Thoughts?

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  • #16
    I have a question for all who favor the 10mm semi autos n Alaska, how do the semi auto hold up with the freezing temps in your state? Any difficulties with lubricant types, springs ,etc.? Or do you have to baby them to be sure they work? Just curious. Any experiences? If you reload for these, do you use powders that are not temperature sensitive to get the velocities and reliability?
    "The Original Point and Click Interface was a Smith & Wesson."


    • #17
      There are different levels of freezing up here. I used to live in Eskimo villages south east of Nome. They took their rifles apart and cleaned all the oil out, sometimes using gas to clean everything out. Those actions are completely dry. Then they hang them outside and leave them in -50 temperatures making sure everything works. Not uncommon to walk past a house and see 2-3 rifles hanging outside. Otherwise on the milder side of the temperatures i have never had a problem down to -20 with the guns.

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      • #18
        I really like the 10mm as a defensive round. I would rather use a long-barreled big bore revolver for hunting big things.

        A few years ago, I killed the only animal I have with a 10mm—a buck here in Virginia. I was hunting with my then-13-yr-old son. I had my G40 with 200gr DT HC loads. I was trying to walk a circle around and head back toward my son, hoping to drive some deer in an area where we knew they sometime bed down toward him. But a buck walked up 55 yards away and stopped broadside. We already had agreed that, if I had a good shot on one, and my son didn’t, I would go ahead and take one because it was the last day of the weekend hunt that week, and he wanted to be in on a successful deer hunt even if it wasn’t his. (He got his first deer later in the season).

        I didn’t want to risk wounding the deer and it getting away. So, I shot him through both lungs and kept firing until he went down. I put four rounds into him in about 2 seconds before he collapsed. When we later skinned him, we saw that they all were within a 4” circle. Deer was still twitching. So, I put a fifth round into its neck. My son was about 150 yds away out of sight. When I walked back to him, he said: “Daddy, did you get attacked by a bear?”

        I had the hard cast loads then because of the presence of fairly large black bears in the area. But the wound channels weren’t that great. So, if I were hunting medium game with the 10mm, I probably would use hollow points or the Lehigh monoliths (which create good wound channels). But I watched a video of a guy put the UW 220gr loads through 10 lined-up 1-gallon water jugs and the bullet kept on going. I know that’s not direct evidence, but I think those loads would penetrate pretty deeply through any animal, just like any HC bullet going north of 1,200 fps. And my own experience told me that I can put a lot of rounds fairly quickly and accurately into anything, at least out to 55 yards. Others surely are better than me with quick follow-up shots the big bore revolvers, but I can make follow-up shots much more quickly with my 10mms than I can with my .454 revolvers. So, I really like the idea of the 10mm as a defensive round—for me.

        Note that the Buffalo Bore 220gr is a hair longer than the UW 200gr and 220gr loadings.

        My 10mm Glocks with KKM barrels won’t reliably cycle the BB 220gr loads, but reliably will cycle the 200gr and 220gr UW loads and the 200gr DT loads. The Dan Wesson Bruin eats all of them up and spits them out.

        My TNW 10mm semi-auto rifle uses the Glock 10mm mags. I kind of like that you can carry a rifle and pistol both using the same mags.

        Below are my 10mm chrono results:


        • #19
          I much prefer .45 over 10mm in a defensive capacity.


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