.41 Magnum bullets in a 10mm

[Harleycolt]

I just saw that Swift has a 41 caliber A-Frame bullet that's suppose to expand from 950 fps. Its a 210 grain bullet, wish they had a 230~250 grain one but think this would work well on hogs !

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[my_old_glock]

I just saw that Swift has a 41 caliber A-Frame bullet that's suppose to expand from 950 fps. Its a 210 grain bullet, wish they had a 230~250 grain one but think this would work well on hogs !

$54 a box  , and I couldn't find whether it was 50 or 100 pieces per box.

Definitely not for plinking.

I think these would need to be used in gun with at least a 6" barrel. Something like a Glock 40 or a S&W revolver.

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[gandog56]

I think these would need to be used in gun with at least a 6" barrel. Something like a Glock 40 or a S&W revolver.

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Well, that would mean either my Fusion Firearms longslide, or my Mechtech CCU......think I would use the Mechtech!

[my_old_glock]

I loaded up some (10) Hornady 210 grain XTP .41 magnum bullets in 10mm (SIG) cases with 7.3 grains of Alliant BE-86. I estimated velocity from my Glock 20 will be 1050 to 1100 fps. I won't be able to test these until the end of April. I also may not have a chronograph, so I will just be testing for function, feel, and accuracy. I may test one in a jug of water to see if the G20 gives enough velocity to expand the bullet. Hornady claims this bullet should be used from 800 to 1600 fps.

Sig Sauer 10mm brass - 3x fired
7.3 grains BE-86
Hornady #41000 210gr XTP sized to 0.402dia.
CCI large magnum primer
COAL 1.250"-1.253"
Lee FCD 1/2 turn.
Chronoed from a stock Glock 20 @ 1060fps

[will965]

Please enlighten me as to this interesting concept..I got a.bunch of 41 mag 210 g copper semi- jacketed hps..can these be sized? And if so, are you guys using the Lee 401 sizer die? I know it works on cast but will it work on copper jackets aw well??

[my_old_glock]

Please enlighten me as to this interesting concept..I got a.bunch of 41 mag 210 g copper semi- jacketed hps..can these be sized? And if so, are you guys using the Lee 401 sizer die? I know it works on cast but will it work on copper jackets aw well??

Yes it works on copper jacketed bullets, but it may not work on thin "electro-plated" bullets.

I use 2 Lee sizing dies. I have one that sizes to .405-.406, than the standard one of .401. I use to use just the .401, but it is real hard to resize down 0.010 in one shot. I coat the bullets with Hornady case lube before resizing them.



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[will965]

Excellent,  thank you...looks like I'm gonna give midway USA a call

[Harleycolt]

Mid-South Shooters had them in stock and cheaper, 50 in a box.

[will965]

Got my Lee resizing die today! just stuffed it in the Hornady Lock N Load classic single stage, took me a second to figure it out but instead of the liquid Alox they gave me I used the one shot Hornady Case Lube went through perfectly went from .408 to .400 this is phenomenal very happy! I got a big batch of new 210g semi jacketed hollow-point bullets for the 10 millimeter Beast. Thanks a lot guys!!!

[my_old_glock]

Putting this here for reference.

Lee 410-195-SWC sized to .402
BE-86 7.5 grains
1.255" COAL
3/4 turn LFCD
1,115 fps average from stock Glock 20

Lee 410-195-SWC sized to .402
Power Pistol 8.0 grains
1.255" COAL
3/4 turn LFCD
1,165 fps average from stock Glock 20

Remington .410 210grain JSP sized to .402
10.0 grains Accurate Arms #9
1.250" COAL
3/4 turn LFCD
Lost the chrono data

[The_Shadow]

my_old_glock, here is my forecast for the loads you show...
Your cast bullets 195 gr with BE-86 probably @ 1150 1160 fps
Your cast bullets 195 gr with Power Pistol probably @ 1170 1200 fps
Your Remington bullets 210 gr with AA#9 probably @ 1000 fps

[will965]

I only use Longshot in my 10s, I gotta branch out a bit maybe 

[my_old_glock]

my_old_glock, here is my forecast for the loads you show...
Your cast bullets 195 gr with BE-86 probably @ 1150 1160 fps
Your cast bullets 195 gr with Power Pistol probably @ 1170 1200 fps
Your Remington bullets 210 gr with AA#9 probably @ 1000 fps

Do you think those are light, acceptable or hot loads?

Looking at Underwood's offerings, they seem between light and acceptable.

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[The_Shadow]

I think they will be fine as loaded...On the lighter side with power Pistol being above medium

[my_old_glock]

I was able to run a few more tests this weekend using .41 caliber bullets in the 10mm.


Hornady 210 grain XTP #41000
8.0 grains BE-86
1.255" COAL
3/4 turn Lee Factory Crimp Die
CCI 0012 Large Pistol Primers
Chronographed from a stock Glock 20 = ~1093fps
Power Factor = 230

Bullet retained weight from left to right is 199gr, 200gr, 206gr





Hornady 210 grain Cl-SIL #4105 (Truncated Cone Jacket)
7.7 grains BE-6
1.255"COAL
3/4 trun LFCD
Chronographed from a stock Glock 20 = ~1100fps
Power Factor = 231




Lee 195 grain .41 SWC (#90330) Hard Ball Lead
8.0 grains BE-86
1.255" COAL
3/4 trun LFCD
Chronographed from a stock Glock 20 = ~1185fps
power factor = 231




The Hornady 210gr XTP went through two 12" boxes of water, and were found in the 3rd box. Penetration would be over 24" in water.

I had some old waterbed tubes filled with water that were 5 feet long and about 7" in diameter. The 210 grain CL-SIL wend through the full length. I could not find the bullet. I didn't water test the LEE 195 grain bullets. I tried to test the factory SIG 180 grain FMJ for penetration, but the bullet came out the side of the tube about 30" in. I did not have another tube with me to test the depth of the FMJ SIG 10mm round.






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I wanted to compare my Glock 20 10mm with a 2" barreled 41 magnum revolver. I took some chornograph readings with my friend's S&W Night Guard 6 shot revolver, and a 6" S&W Model 57.

Winchester 175 grain SilverTip (.41 Mag)
2" barrel = 1045 fps. This is weak ammo. I think the 10mm 175gr SilverTip has the same velocity.
6" barrel = 1225 fps.

Remington Factory 210 grain Jacketed Soft Point
2" barrel = 1176 fps
6" barrel = 1335 fps

The Remington 210 grain load was brutal in the 2" Night Guard. I could not see anyone shooting all six rounds at a charging bear. My opinion is that these Remington loads are useless in a short barreled light weight .41 magnum revolver. The steel Model 57 was better.

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The Glock 20 can hold 10 rounds (in California), and up to 17 rounds with a +2 extension if you live in a free State.
Both the 2" S&W Night Guard and the Glock 20 are very close in size, with the Revolver being wider.
I think the G20 10mm is a better option over the 41 magnum for large animal defense.




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