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Posted: 6/20/2017 6:45:25 PM EDT
Since dogsplats thread got derailed lets try this again. What loads do you use in 10mm for bear defense?
This is not meant to be a hunting type thread but a self preservation one. I'm new to this caliber only obtaining my G20 this past spring. The only powder I could get my hands on for this cartridge was Power Pistol for now. Others on different boards have used/suggested 800X, Longshot, Blue Dot, AA#9 etc. Backround on my personal roscoe-G20 with a 4.6 inch KKM barrel and a 23# RSA. My worked up load--again, for now. We only have black bears in Pa. so really geared towards yotes. Bullet-180gr Hornady XTP Powder-Power Pistol---No grain weight as I'm using non-stock barrel and RSA. Primer-CCI 350 Case-Virgin Starline---After firing it will be inspected and used for lower power plinkers or tossed for recycle. Veolcity at 15 feet--1250 avg. In the future I will work up a cast load also 1 for the 200gr XTP but this is what I have to work with for now. Soooo shoot......... 
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Posted: 6/20/2017 8:16:50 PM EDT
[#1]
8.7 power pistol with 180 FMJ goes 1150 from my Glock 20
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Posted: 6/20/2017 8:36:24 PM EDT
[#2]
When friend bought a 10mm a couple years ago, he researched it a bit and settled on Longshot powder which I happened to have on hand for 40sw. I was glad to get rid of it. In my G23, recoil was very uncomfortable. He likes it in his 10mm. But he is a bigger guy. Good luck with your search.
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Posted: 6/20/2017 9:21:39 PM EDT
[#3]
Glad this thread got started again.
I wish to encourage all posters to stay on the topic of handloads and keep it within the 10mm caliber. Thanks |
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Posted: 6/20/2017 11:08:47 PM EDT
[#4]
As I recall, 800x was a little easier on the recoil than LongShot, I had worked up to almost 1500fps with the 180 HST pull with 800x WLP and virgin Starline brass. 1488fps on the chrony
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Posted: 6/21/2017 12:00:23 AM EDT
[#5]
10gr longshot with 180gr xtp Hornady. New starline brass Winchester primer.
Warning this is above book max. My G20 speaks with authority with that load. |
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Posted: 6/21/2017 12:33:27 AM EDT
[#6]
Great! Thedave-what's your barrel length? I know my load would top out over 1300 with a hunting length barrel but for now
Pa won't let me use an auto. Btw mine is a bit over max that's why I'm not posting the charge weight. Georgia-what for barrel you using? Stock? Aftermarket? Length? How is Longshot metering wise? I've read 800x is pretty much not very meter friendly. Although max loads would be a one at a time thing cause-max lol. Anyone cast for 10mm? What's your mold of choice? Trying to get as much info before I pull the trigger on one. Not new to casting just no 10mm mold-yet. Seems guys on an Alaska forum favor a 200+grain cast bullet. Some do like the 200gr XTP. That will be the load I work towards, but at this moment I feel pretty good about my 180/1250/625ftlbs in Pa. |
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Posted: 6/21/2017 1:30:30 AM EDT
[#7]
Stock barrel and long shot meters extremely well in my Dillon.
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Posted: 6/21/2017 1:51:44 AM EDT
[#8]
Quote HistoryQuoted:
Stock barrel and long shot meters extremely well in my Dillon. |
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Posted: 6/21/2017 9:01:59 AM EDT
[#9]
800-X meters very poorly but if your willing to weigh each charge or have an auto dispensing scale that will do it for you it is an excellent heavy bullet 10mm powder.
My personally favorite is a Hornady 200gr XTP pushed by 9.0 gr of 800-X. I chronod it at 1250fps from my S&W 610 6.5 barrel and I would be comfortable carrying it for bear protection. |
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Posted: 6/21/2017 9:27:34 AM EDT
[#10]
I have a Glock 40 with a KKM barrel.
I did some chrono work yesterday. 180 gr precision delta and 8.0 gr of Power Pistol gave me 1220 fps which is perfect for a fun practice load. I tried some 180 gr rnfp cast bullets and they jammed terribly every two rounds,velocity was 1325-1350 fps. I have never had a problem with any other bullet from this pistol it has been totally reliable. 13.0 gr of AA#9 and a Double Tap 200gr hard cast gives me 1225 fps and shoots well. 14.2gr of AA#9 and a 180 gr XTP is good for 1325fps and is very accurate. The AA#9 gives me single digit SD as well. I use Hornady's info and could push it higher but I don't need to. The extra barrel and slide length and few ounces of weight make a difference in velocity and in taming recoil. I also load 45super in my G 21 and when shooting comperable powder charges and bullet weights the 40 is more pleasant to shoot. I will try some 200gr XTP and maybe some 155's for fun as well. |
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Posted: 6/21/2017 10:11:08 AM EDT
[#11]
It's good to see posts from members who don't post much here.
Welcome. 
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Posted: 6/21/2017 11:22:34 AM EDT
[#12]
Quote HistoryQuoted:
Thank You Sir :) Quote HistoryQuoted:
Quoted:
Stock barrel and long shot meters extremely well in my Dillon. |
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Posted: 6/21/2017 10:12:26 PM EDT
[#13]
Colecracker it was a 5" Delta Elite, the G20 was about 23fps slower
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Posted: 6/21/2017 10:49:17 PM EDT
[#14]
The only way to stop a bear that intends to maul/kill you before it can do you serious damage is to score a hit on it's central nervous system. This means that penetration is far more important (you want penetration measured in feet, not inches) than expansion. You want a bullet that will penetrate bone without deflecting. Heavy, hard bullets with a wide flat nose work best. Hollow points, especially those designed to expand at 40 S&W velocities are the last thing you want to try to stop a large angry bear with. I carried 200 grain hard cast truncated cone bullets going close to 1200 fps in my 10mm for bears, but have since switched to a Ruger Super Blackhawk in 480 Ruger for a bear protection sidearm.
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Posted: 6/22/2017 12:42:42 AM EDT
[#15]
To all who posted so far-Thanks! Me thinks this is what dogsplat intended. I've been given some excellent info to move forward
with BUT now want to add this: If you're using a cast bullet what brand and type or if casting your own--mold type and company? Like I've mentioned before-it's J-words for now but eventually it will be my own cast boolits just like for my other handguns. 10mm is my 'New kid on the block' 
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Posted: 6/22/2017 4:22:58 AM EDT
[#16]
I can't recommend a specific mould but I can tell you that if you fallow "Wirebrush's" advice, which I totally agree with, look at moulds that are called truncated cone.
Then cast these with alloy in the 18BHN (18 brenell hardness) area. At 18BHN you I doubt you would need to gas check them and if you powder coat them I would almost guarantee you wouldn't need to. I've shot 18BHN 210gr (plain cast lubed bullets without gas checks) from my 41mag using W-296 (yes I know it's not a 10mm but damn close) into concrete blocks and recovered bullets that were pretty much in tact. If they will withstand this they will withstand bear bones. Motor |
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Posted: 6/22/2017 5:46:04 PM EDT
[#17]
Thanks Motor1. I do have some harder alloy on the lead pile which I used for 357 and 44 mag casting.
Still trying to decide a mold. Something on the order of Double Tap or Beartooth. For right now I just might as well get some from one of those lads. Ask and you shall receive-This place delivers 
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Posted: 6/22/2017 7:05:09 PM EDT
[#18]
Quote HistoryQuoted:
Thanks Motor1. I do have some harder alloy on the lead pile which I used for 357 and 44 mag casting. Still trying to decide a mold. Something on the order of Double Tap or Beartooth. For right now I just might as well get some from one of those lads. Ask and you shall receive-This place delivers I have an Accurate 4 cavity mold that I can't say enough good things about. All of my future mold purchases will be from Tom. They aren't cheap, but you do get what you pay for. I load a 200 gr WFN plain base powder coated bullet Starline case CCI 300 13.2 gr AA#9 1.250 OAL This is 1.4 gr over book max, but no pressure signs, even in my stock G20 barrel. Averages 1220 fps from stock glock barrel and 1275 fps from a 5.2" KKM barrel |
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Posted: 6/23/2017 12:31:22 AM EDT
[#19]
Thanks for the heads up on those 200gr WFNGC bullets molar. I seem to see AA#9 pop up quite a bit on a lot of forums,
Really gotta get me some. Will see what Accurate has in the way of molds. Gas check designs would be fine. I have an old Lyman 450 which has done very well (FIL gave it to me when he got out of casting, now I do it all lol). |
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Posted: 6/23/2017 2:22:47 PM EDT
[#20]
Rather than deal with hard cast lead bullets why not use a tough FMJ? I have not tried this for the purpose but I have shoot thousands of the follow bullet in my 10mm as a slower competition load. If I was going for maximum penetration with my 10mm I would just take my 200gr XTP load and substitute a Montana Gold CMJ 200gr bullet. It's a flat point round shoulder bullet. Montana Gold use a brass rather than copper jacket that is thicker than most other jackets and the bottom is closed off with a cap so no expose lead to deal with. It is a very tough bullet and would not deform when hitting bone. Just an idea, I would test it before relying on it...
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Posted: 6/23/2017 4:09:26 PM EDT
[#21]
Quote HistoryQuoted:
Rather than deal with hard cast lead bullets why not use a tough FMJ? I have not tried this for the purpose but I have shoot thousands of the follow bullet in my 10mm as a slower competition load. If I was going for maximum penetration with my 10mm I would just take my 200gr XTP load and substitute a Montana Gold CMJ 200gr bullet. It's a flat point round shoulder bullet. Montana Gold use a brass rather than copper jacket that is thicker than most other jackets and the bottom is closed off with a cap so no expose lead to deal with. It is a very tough bullet and would not deform when hitting bone. Just an idea, I would test it before relying on it... Most FMJ bullets also have a much smaller meplat, even if it is a flatpoint profile. The WFN hardcast bullets tend not to deflect as much when encountering bone and track straighter than a FMJ bullet. |
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Posted: 6/23/2017 8:17:38 PM EDT
[#22]
Quote HistoryQuoted:
Most FMJ bullets have a core around 5-6 BHN. whereas hardcast bullets are 18+ BHN. A FMJ bullet will not penetrate as deep as a hardcast bullet plain and simple. Most FMJ bullets also have a much smaller meplat, even if it is a flatpoint profile. The WFN hardcast bullets tend not to deflect as much when encountering bone and track straighter than a FMJ bullet. |
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Posted: 6/24/2017 4:41:07 AM EDT
[#23]
As posted in the locked thread, Underwood 10mm ammo loaded with Lehigh Xtreme Penetrator will go through 1-1/4" lexan. I don't believe a grizzly's skull will be harder than this. For this reason, I ordered some of these bullets to work up my own loads. I'll try with Longshot first.
10mm vs. lexan |
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Posted: 6/24/2017 6:17:51 AM EDT
[#24]
Quote HistoryQuoted:
As posted in the locked thread, Underwood 10mm ammo loaded with Lehigh Xtreme Penetrator will go through 1-1/4" lexan. I don't believe a grizzly's skull will be harder than this. For this reason, I ordered some of these bullets to work up my own loads. I'll try with Longshot first. 10mm vs. lexan |
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Posted: 6/24/2017 7:16:26 AM EDT
[#25]
Quote HistoryQuoted:
The only way to stop a bear that intends to maul/kill you before it can do you serious damage is to score a hit on it's central nervous system. This means that penetration is far more important (you want penetration measured in feet, not inches) than expansion. You want a bullet that will penetrate bone without deflecting. Heavy, hard bullets with a wide flat nose work best. Hollow points, especially those designed to expand at 40 S&W velocities are the last thing you want to try to stop a large angry bear with. I carried 200 grain hard cast truncated cone bullets going close to 1200 fps in my 10mm for bears, but have since switched to a Ruger Super Blackhawk in 480 Ruger for a bear protection sidearm. I carry FMJ in the woods. Need massive penetration for bear. |
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Posted: 6/24/2017 7:44:43 AM EDT
[#26]
Quote HistoryQuoted:
As posted in the locked thread, Underwood 10mm ammo loaded with Lehigh Xtreme Penetrator will go through 1-1/4" lexan. I don't believe a grizzly's skull will be harder than this. For this reason, I ordered some of these bullets to work up my own loads. I'll try with Longshot first. 10mm vs. lexan |
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Posted: 6/24/2017 8:14:07 AM EDT
[#27]
Right now, they are in stock. Midway
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Posted: 6/24/2017 9:57:48 AM EDT
[#28]
Quote HistoryQuoted:
Double Tap sources 200 WFNGC bullets from Beartooth, or at least they used to. That bullet has a .330" meplat which should feed out of glock mags, but you might have to seat it a little deeper. I like a .300" meplat better. I have an Accurate 4 cavity mold that I can't say enough good things about. All of my future mold purchases will be from Tom. They aren't cheap, but you do get what you pay for. I load a 200 gr WFN plain base powder coated bullet Starline case CCI 300 13.2 gr AA#9 1.250 OAL This is 1.4 gr over book max, but no pressure signs, even in my stock G20 barrel. Averages 1220 fps from stock glock barrel and 1275 fps from a 5.2" KKM barrel |
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Posted: 6/24/2017 11:15:28 AM EDT
[#29]
Quote HistoryQuoted:
10-7LEO where did you get just the bullets from? I checked the Lehigh site and didn't see any handgun bullets offered.
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Posted: 6/24/2017 6:39:45 PM EDT
[#30]
Quote HistoryQuoted:
The only way to stop a bear that intends to maul/kill you before it can do you serious damage is to score a hit on it's central nervous system. This means that penetration is far more important (you want penetration measured in feet, not inches) than expansion. You want a bullet that will penetrate bone without deflecting. Heavy, hard bullets with a wide flat nose work best. Hollow points, especially those designed to expand at 40 S&W velocities are the last thing you want to try to stop a large angry bear with. I carried 200 grain hard cast truncated cone bullets going close to 1200 fps in my 10mm for bears, but have since switched to a Ruger Super Blackhawk in 480 Ruger for a bear protection sidearm. |
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