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10mm
- Thread starter peterk123
- Start date
Time to see if @Ultrarunner has an experience with this, being up in AK.
peterk123
NES Member
I went with Longshot because it is what I could get my hands on locally. I didn't want to deal with hazmat fees unless I was going to make a large purchase (I just did that recently).
Planning to back off at least .5 gr off the max load data for fmj, then start at 90% of that.
Thanks, wasn't aware of this one. Seems like a decent powder for halfway decent performance. I'd run it if I could not find what I currently use.
One guy in this 1911 forum thread says he gets 1300 fps, but others are posting chronograph data of ~1200 at max or near max. I think the 1300 fps guy is BS-ing. If you scroll down a bit, somebody went too far and had a pretty catastrophic KB:
Longshot 10 mm loads
peterk123
NES Member
1300 seems too hot based on what I have been reading. I will be thrilled to get 1150 or so with a 180gr bullet. Looking forward to working up a new pistol load. I have not had to load pistol since 2019. I loaded that much 9mm, 357 and 38 prior to the covid bullshit.
peterk123
NES Member
Just went through the thread. Ouch. Heck, you would think he would have seen pressure signs before getting to that point. Although I did read some other threads where pressure can build fast with longshot.
Plus reloading it is relatively easy. I picked up a Performance center competitor and while I’d want a chest rig if I ever took it hiking (I probably won’t) the weighted full lug makes shooting it relatively pleasant. I have a G20 and a Kimber 10mm, but if I were really trying to prevent bear molestation I’d want the .44.
Am I compensating? Shut up.
Also, pics or the thread is worthless, no?
I had a Gen4 G20. I did like it. Accurate, and I could make fairly rapid follow up shots. I've had .44mag revolvers. By the time you recovered from the first shot, the bear would be on you.
DarthRevan
NES Member
No picture but took the 10mm TRP out today and it was awesome
gerrycaruso
NES Member
Bears are not the clownish slow moving animals portrayed in cartoons. They are extremely fast. Two friends of mine were golfing in New Hampshire and a black bear burst out of the brush and stole their golf ball. One had left his gun in the car but the other was carrying a .45 auto. He said the bear was so fast that if it had wanted him instead of the ball, he would have been dead before he could have drawn his gun.
How is that ball played? Whats the rule. or do you hit the club house to changer your underwear.
10mm is by far the most popular woods backup caliber. I think most folks just prefer semi autos and use the capacity argument for justification.
I personally prefer my 500 Linebaugh for the added horsepower.
My friend guided brown bear hunts and has witnessed 400 lb interior bears dead on the first shot with a 30-06 and on the other hand a coastal bear around 1100 lbs that took a direct shot from a 458 Lott made a grunt and just stood there looking around.
Mesatchornug
NES Member
A Springfield XDm 4.5" ! I've never seen one. I'd probably need 3 of my sissy hands to just hold it !!
| Length | Height | Width | Weight | |
|---|---|---|---|---|
| XD-M 4.5" | 7.7 in | 5.75 in | 1.2 in | 31 oz |
| G20 Gen 5 MOS | 8.07 in | 5.51 in | 1.38 in | 29.81 oz |
| 1911 Government | 8.75 in | 5.94 in | 1.41 in | 40.07 oz |
NB: I'm not saying you should change your carry; just that 10mm is still just a pistol cartridge, developed for LE purposes, in a duty-sized pistol.
peterk123
NES Member
Tested some loads today. Getting around 1190 fps so far. I think I can live with that. 564 lbs of ke. Gotta do a bit of research to see how far I can push it with this powder.
citoriguy
NES Member
I only carry a 10MM when I’m hiking with the fam. Gen 4 G40 (long slide) but have a Gen 3 G20 frame that I really want to build up.
That said, the Gen 5 has a MOS version and I’d rather have the option of putting on a red dot, even though I probably never will.
That said, the Gen 5 has a MOS version and I’d rather have the option of putting on a red dot, even though I probably never will.
chris_1001
NES Member
Pretty sure I’ve heard the Alaskan game wardens (or similar) carry G20’s
Honestly the recoil is not bad.
I have a 3” .44 Mag and the g20
I’ve also shot most every wrist breaking gun/caliber.
The 10mm is a good overall round, just buy good hard cast full power rounds.
Honestly the recoil is not bad.
I have a 3” .44 Mag and the g20
I’ve also shot most every wrist breaking gun/caliber.
The 10mm is a good overall round, just buy good hard cast full power rounds.
peterk123
NES Member
I use the missouri bullets coated hard cast. Use them for all my handgun reloads. Love em
chris_1001
NES Member
When I got my first 10mm (s&w 1006) I got some factory 10mm mouse fart loads with it (part of the package deal).
I was so underwhelmed I sought out the most powerful ones I could find.
Sadly most rounds are not full power.
peterk123
NES Member
I think I agree with that statement. The load data I have seems to push it to that.
Right now I see zero pressure signs. My primer dimple looks like it got warm but the primer is not flattened. I get the same thing with my 357 loads. I will bump it another half grain.
tuna
NES Member
Anyone have any love for the Glock 29?
I keep toying with the idea of 10mm, mainly just because but could also fill a niche for hunting*. I have the G21 in .45, so would prefer a different frame - so either the 29 or 40, and the 29 seems more useful overall.
*While I enjoy hunting, I'm no good at it, so it's really just an armed walk in the woods. Accuracy would probably be better with the longer barrel, but if I keep it to realistic bow hunting ranges, it shouldn't be a factor.
I keep toying with the idea of 10mm, mainly just because but could also fill a niche for hunting*. I have the G21 in .45, so would prefer a different frame - so either the 29 or 40, and the 29 seems more useful overall.
*While I enjoy hunting, I'm no good at it, so it's really just an armed walk in the woods. Accuracy would probably be better with the longer barrel, but if I keep it to realistic bow hunting ranges, it shouldn't be a factor.
Tested loading max 800x yielded me 1369 from my Kimber LS, and flat cratered primers. That powder is borderline dangerous up near maxes'. I saw wild ES's . I dont even load 800x anymore after that experience. 800x is better suited for fertilizing my tomatoes . My Kimber groups the tightest running AA9 , 180 rnfp, 13.3g @ 1215 fps
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DeadEyeDan
NES Member
The barrel length is not some much about accuracy issues, it’s the ability to get the full power of a hot 10mm load on a dangerous animal. You lose a lot of velocity/energy with the 29’s short barrel. It’s over 100 fps I think.
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Id use the Underwood Black cherries for carry. 1250 FPS with 200 grain hard cast coated......should do the trick. 27 a box is not that bad if your just checking feed reliability and shooting a couple boxes.....
Reload for plinking only...
Reload for plinking only...
- Joined
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Most 10mm factory stuff is not much better than Fotay for ballistics.
Rockrivr1
NES Member
I have both the G20 and G29. The G29 is definitely more snappy with its smaller size. It fits my hand similar to the G26/27. Overall I prefer shooting the G20 better. Though just to carry I’d take the G29.
