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**bmk20398** · 02-22-2019, 1:17 PM

it's 1st day to use this software

for quick reference, lighter bullet, 7.5", Hodgdon H110 max pressure
357 125gr: ME 790
41 190gr: ME 990
44 200gr: ME 1190

Note: Powder, Bullet, Barrel Length, will change ME significantly.

Code:

Cartridge          : .357 Magnum (SAAMI)
Bullet             : .357, 125, Hornady HP/XTP 35710
Useable Case Capaci: 19.066 grain H2O = 1.238 cmｳ
Cartridge O.A.L. L6: 1.590 inch = 40.39 mm
Barrel Length      : 7.5 inch = 190.5 mm
Powder             : Hodgdon H110

Predicted data by increasing and decreasing the given charge,
incremented in steps of 1.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !

Step    Fill. Charge   Vel.  Energy   Pmax   Pmuz  Prop.Burnt B_Time
 %       %    Grains   fps   ft.lbs    psi    psi      %        ms

-03.0   97    18.29   1564     679   26871   6618     71.9    0.651
-02.0   98    18.48   1584     696   27826   6735     72.6    0.641
-01.0   99    18.67   1604     714   28814   6852     73.4    0.630
+00.0  100    18.86   1624     732   29837   6969     74.1    0.620  ! Near Maximum !
+01.0  101    19.05   1645     751   30900   7085     74.8    0.610  ! Near Maximum !
+02.0  102    19.24   1666     770   32005   7201     75.5    0.600  ! Near Maximum !
+03.0  103    19.43   1686     789   33155   7317     76.2    0.590  ! Near Maximum !
+04.0  104    19.61   1707     809   34352   7433     77.0    0.581  !DANGEROUS LOAD-DO NOT USE!

Cartridge          : .41 Rem. Mag. (SAAMI)
Bullet             : .410, 190, Hornady FTX 41010
Useable Case Capaci: 19.986 grain H2O = 1.298 cmｳ
Cartridge O.A.L. L6: 1.590 inch = 40.39 mm
Barrel Length      : 7.5 inch = 190.5 mm
Powder             : Hodgdon H110

Predicted data by increasing and decreasing the given charge,
incremented in steps of 1.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !

Step    Fill. Charge   Vel.  Energy   Pmax   Pmuz  Prop.Burnt B_Time
 %       %    Grains   fps   ft.lbs    psi    psi      %        ms

-05.0  103    20.43   1436     870   28793   5528     73.3    0.682
-04.0  104    20.64   1455     893   29908   5624     74.1    0.670
-03.0  105    20.86   1474     917   31075   5720     74.8    0.659  ! Near Maximum !
-02.0  107    21.07   1494     942   32298   5816     75.6    0.647  ! Near Maximum !
-01.0  108    21.29   1514     966   33577   5911     76.3    0.636  ! Near Maximum !
+00.0  109    21.50   1533     992   34918   6006     77.0    0.625  ! Near Maximum !
+01.0  110    21.72   1553    1018   36325   6100     77.7    0.615  !DANGEROUS LOAD-DO NOT USE!


Cartridge          : .44 Rem. Mag. (SAAMI)
Bullet             : .430, 200, Hornady HP/XTP 44100
Useable Case Capaci: 27.034 grain H2O = 1.755 cmｳ
Cartridge O.A.L. L6: 1.610 inch = 40.89 mm
Barrel Length      : 7.5 inch = 190.5 mm
Powder             : Hodgdon H110

Predicted data by increasing and decreasing the given charge,
incremented in steps of 1.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !

Step    Fill. Charge   Vel.  Energy   Pmax   Pmuz  Prop.Burnt B_Time
 %       %    Grains   fps   ft.lbs    psi    psi      %        ms

-05.0   96    25.65   1518    1024   28002   6623     75.0    0.675
-04.0   97    25.92   1538    1050   28995   6738     75.8    0.664
-03.0   98    26.19   1557    1077   30027   6852     76.5    0.653
-02.0   99    26.46   1577    1105   31099   6966     77.2    0.642  ! Near Maximum !
-01.0  100    26.73   1597    1133   32213   7079     77.9    0.632  ! Near Maximum !
+00.0  101    27.00   1617    1161   33371   7192     78.6    0.622  ! Near Maximum !
+01.0  102    27.27   1637    1190   34575   7305     79.3    0.611  ! Near Maximum !
+02.0  103    27.54   1657    1220   35828   7416     80.0    0.601  !DANGEROUS LOAD-DO NOT USE!

**Carcassonne** · 02-22-2019, 1:25 PM

Originally posted by iambic

.

The 10mm is often stated, mistakenly, to be equivalent to 41 mag. It's too bad the 41 mag was not on the original chart you posted. It would have been interesting to see data for comparison.

Here is a comparison between a 2" 41 Mag revolver and a Glock 20 using the same weight bullet. Remington factory ammo was used in the 41 mag revolver, and handloaded 10mm ammo was used in the Glock 20. The 10mm ammo was not optimized. It was just one test load. The factory Remington 41 mag ammo was 100 fps faster than the handloaded 10mm from the same sized gun; not the same size/length barrel. It might be possible to match the 10mm load to the same velocity as the 41 Mag load from a 2" barrel.

See post #43. http://10mm-firearms.com/reloading-1...lets-in-a-10mm

Two statements from that post you should take note of.

"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."

"Both the 2" S&W Night Guard and the Glock 20 are very close in size, with the Revolver being wider."

.

**bmk20398** · 02-22-2019, 9:44 PM

for 165 grain (no load data for LongShot)
maybe PowerPistol = No.7 > LongShot

Code:

Cartridge          : 10 mm Auto (SAAMI)
Bullet             : .400, 165, Speer HP GD 4397
Useable Case Capaci: 16.176 grain H2O = 1.050 cm^3
Cartridge O.A.L. L6: 1.260 inch = 32.00 mm
Barrel Length      : 6.0 inch = 152.4 mm
Powder             : Accurate No.7

Predicted data by increasing and decreasing the given charge,
incremented in steps of 1.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !

Step    Fill. Charge   Vel.  Energy   Pmax   Pmuz  Prop.Burnt B_Time
 %       %    Grains   fps   ft.lbs    psi    psi      %        ms

-06.0   82    13.16   1385     703   30590   5610     84.8    0.561
-05.0   83    13.30   1401     719   31554   5691     85.4    0.553
-04.0   84    13.44   1416     735   32548   5771     85.9    0.546  ! Near Maximum !
-03.0   85    13.58   1432     751   33572   5852     86.5    0.538  ! Near Maximum !
-02.0   86    13.72   1447     767   34628   5931     87.0    0.531  ! Near Maximum !
-01.0   87    13.86   1463     784   35716   6009     87.6    0.523  ! Near Maximum !
+00.0   88    14.00   1478     800   36838   6087     88.1    0.516  !DANGEROUS LOAD-DO NOT USE!


Cartridge          : 10 mm Auto (SAAMI)
Bullet             : .400, 165, Speer HP GD 4397
Useable Case Capaci: 16.176 grain H2O = 1.050 cm^3
Cartridge O.A.L. L6: 1.260 inch = 32.00 mm
Barrel Length      : 6.0 inch = 152.4 mm
Powder             : Alliant POWER PISTOL

Predicted data by increasing and decreasing the given charge,
incremented in steps of 1.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !

Step    Fill. Charge   Vel.  Energy   Pmax   Pmuz  Prop.Burnt B_Time
 %       %    Grains   fps   ft.lbs    psi    psi      %        ms

-10.0   84     9.90   1365     683   29532   5349     93.3    0.569
-09.0   85    10.01   1378     696   30300   5418     93.7    0.562
-08.0   86    10.12   1391     709   31083   5487     94.1    0.556
-07.0   86    10.23   1405     723   31883   5555     94.4    0.549  ! Near Maximum !
-06.0   87    10.34   1418     736   32698   5622     94.8    0.543  ! Near Maximum !
-05.0   88    10.45   1431     750   33530   5689     95.1    0.536  ! Near Maximum !
-04.0   89    10.56   1444     764   34379   5755     95.4    0.530  ! Near Maximum !
-03.0   90    10.67   1457     777   35244   5820     95.7    0.524  ! Near Maximum !
-02.0   91    10.78   1470     791   36128   5884     96.0    0.518  ! Near Maximum !
-01.0   92    10.89   1483     805   37029   5947     96.3    0.512  !DANGEROUS LOAD-DO NOT USE!


Cartridge          : 10 mm Auto (SAAMI)
Bullet             : .400, 165, Speer HP GD 4397
Useable Case Capaci: 16.176 grain H2O = 1.050 cm^3
Cartridge O.A.L. L6: 1.260 inch = 32.00 mm
Barrel Length      : 6.0 inch = 152.4 mm
Powder             : Hodgdon Longshot

Predicted data by increasing and decreasing the given charge,
incremented in steps of 1.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !

Step    Fill. Charge   Vel.  Energy   Pmax   Pmuz  Prop.Burnt B_Time
 %       %    Grains   fps   ft.lbs    psi    psi      %        ms

-04.0   67    10.08   1335     653   31262   4543     99.0    0.563
-03.0   68    10.19   1346     664   32032   4584     99.1    0.557  ! Near Maximum !
-02.0   69    10.29   1357     675   32816   4624     99.3    0.551  ! Near Maximum !
-01.0   69    10.40   1369     686   33616   4663     99.4    0.545  ! Near Maximum !
+00.0   70    10.50   1380     697   34432   4700     99.5    0.539  ! Near Maximum !
+01.0   71    10.61   1391     708   35263   4737     99.6    0.533  ! Near Maximum !
+02.0   71    10.71   1401     720   36110   4773     99.7    0.528  ! Near Maximum !
+03.0   72    10.82   1412     731   36973   4809     99.8    0.522  !DANGEROUS LOAD-DO NOT USE!

**5.56** · 02-22-2019, 10:03 PM

Outstanding write up. Great data. I'd say skip the .41 mag. Do .45 colt in a large frame Ruger. It would be interesting because you'd have some loads at the very bottom, and then loads above .44 mag! It's such a great caliber.

**bmk20398** · 03-09-2019, 3:02 PM

I got another 10mm, Sig P220 10mm Elite upper (+ Sig P220 45ACP Scorpion Lower) so compared to G40.

17 Yard sand bag, P220 looks slightly better?? than G40 but not pleased with accuracy.

9mm Sigs are all better than 10mm.

https://i.imgur.com/arnerD1.jpg

I want everything Accuracy, Velocity, Muzzle Energy from 10mm

will continue to try another bullets / powder / bit less pressure.

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Range Report: Glock 40 MOS 10mm Upper on Glock 41

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