10mm resurgence

In Des Moines there have been mountain lion sightings over the last several years, but no bears yet. I didn't want to get in trouble with a "10mm for cougars?" thread :evil:

I can't use bears to justify my 10mm.:(

I mostly carry it for two legged predators, and sometimes raccoons.
 
Buzznrose said:
Nice deal here on the new S&W

https://palmettostatearmory.com/s-w..._deals&utm_campaign=20230115&utm_term=morning

with the rebate, looks pretty good…
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Picked mine up today from my LGS. I didn't get a holster or 2 extra mags. It was 20 bucks cheaper and no transfer fee so not bad. I went with the M&P over the G20 due to the grip size, the trigger which is pretty amazing and the 100 buck rebate. Comes with the plates for mounting different dots and different backstraps. I bought it for a woods gun just because I never owned a 10MM...
 
W.E.G. said:
If there is a resurgence of the 10mm, will my hairline resurge to where it was in the 80's when we first heard about the 10mm?
I want a receding waistline. Instead I got a receding hairline.
I want to be this cool.
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Not if there's also a resurgence in parachute pants. :barf:

:rofl:
 
Gordon said:
After today I must confess my beloved Sig 320 Xten hurt me after 10 rounds of full power 10mm 200 grain where as I could tolerate the Glock 20 same ammo for a full mag. I confess now I am officially old.
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Difference in grip design, including the comparative grip-to-bore axis.
 
S.Crockett said:
Difference in grip design, including the comparative grip-to-bore axis.
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Probably correct, there was no apparent muzzle rise and the slap came straight back into the center of my palm. I am usually a big fan of the E2 Sig grip on lesser calibers. I will get out my goatskin pistol shooting glave I haven't used in years . I only used it for crazy recoiling guns in past.
 
The 10mm cartridge, while inferior in stopping power to a properly loaded .45, is still a very good choice. I enjoy my Glock 20.
 
JCooperfan1911 said:
The 10mm cartridge, while inferior in stopping power to a properly loaded .45, is still a very good choice. I enjoy my Glock 20.
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LOL! Jeff Cooper would disagree. A "properly loaded" .45acp (230grn FMJ @ 850fps) is inferior to a "properly loaded" 10mm AUTO.

By Cooper's definition, a "proper" 10mm was a 200grn truncated FMJ @ 1200fps m.v., which he also referred to as the 10mm "combat load."

As Cooper put it: "the 10mm hits harder at 100yds than the .45 does at the muzzle."
 
S.Crockett said:
LOL! Jeff Cooper would disagree. A "properly loaded" .45acp (230grn FMJ @ 850fps) is inferior to a "properly loaded" 10mm AUTO.

By Cooper's definition, a "proper" 10mm was a 200grn truncated FMJ @ 1200fps m.v., which he also referred to as the 10mm "combat load."

As Cooper put it: "the 10mm hits harder at 100yds than the .45 does at the muzzle."
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Bullet diameter and weight is proven for knockdown power, not velocity. The 10 penetrates well but nothing can match the big heavy .45 slug in this regard. The British found this out early on with their .455 Webley revolvers.

Medium bore options like the .40 and 10mm might beat the small caliber options like 9mm Para, but aren’t as good of fightstoppers against goblins as an APC.
 
jmohme said:
Any accuracy issues with the 220 over 200gr Hardcast? I have been told by several people that the 220s are not as stable as the 200s (both Underwood), but not had any issues using them in my G20, but I only use them when walking the fence lines where I might cross paths with just about anything.
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My factory G20 barrel stabilizes Buffalo Bore 220gr hardcast just fine. I haven’t tried any other 220gr loads. However, I carry my G20 with a 6” KKM barrel for the added velocity benefit.
 
JCooperfan1911 said:
Bullet diameter and weight is proven for knockdown power, not velocity. The 10 penetrates well but nothing can match the big heavy .45 slug in this regard. The British found this out early on with their .455 Webley revolvers.

Medium bore options like the .40 and 10mm might beat the small caliber options like 9mm Para, but aren’t as good of fightstoppers against goblins as an APC.
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Lots of hogwash here.
 
Captains1911 said:
Lots of hogwash here.
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Agree.

The 10mm's 200grn and 220grn bullets are a comparative wash with the .45's 200grn and 230grn bullets. Where the meat is easily shaved off the bone is when comparing the sectional density of the two cartridges. The 10mm wins that hands-down. That's why it's such an awesome penetrator when loaded to proper velocity for the given bullet-weight.
 
And of course the VELOCITY of even those heavy 10mm bullets ! I could not safely IMHO equal it with .45 Super 6" barrel loads so gave up that pursuit. I good 230 grain at 950 FPS is about it for a .45acp and a little lower cuts the split time in rapid combat work. The .45acp is optimum in that IMHO and Winchester Ranger 230 +p in a full size 1911 about it for a normal human rto control properly.
 
Gordon said:
And of course the VELOCITY of even those heavy 10mm bullets ! I could not safely IMHO equal it with .45 Super 6" barrel loads so gave up that pursuit. I good 230 grain at 950 FPS is about it for a .45acp and a little lower cuts the split time in rapid combat work. The .45acp is optimum in that IMHO and Winchester Ranger 230 +p in a full size 1911 about it for a normal human rto control properly.
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I have often thought would it be worthwhile buying the modifications for my XDM compact 45acp to shoot 45 super?
Heavier recoil spring and 5" or 6" barrel. 3.8" barrel is the current one....
 
WisBorn said:
I have often thought would it be worthwhile buying the modifications for my XDM compact 45acp to shoot 45 super?
Heavier recoil spring and 5" or 6" barrel. 3.8" barrel is the current one....
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While the heavier recoil spring will retard the reward forces you will still have the full force of the slide going forward.
 
Rob96 said:
While the heavier recoil spring will retard the reward forces you will still have the full force of the slide going forward.
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Heavier recoil springs are just to prevent bottom-out and hard impact frame wear.
You can't cheat physics too much -- muzzle energy is vaguely equal to the integral of all k*x values. You can mush or stretch the impulse curve like a water balloon, but the area remains the same.
 
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