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Load data for 9 mm Steyr (Roth) + .357 | 158gr | H&N RN KB

Recommended Powder(s): ReloadSwiss RS 20

9 mm Steyr (Roth) + .357 | 158gr | H&N RN KB

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.357 | 158gr | H&N RN KB
Bullet Weight:
158gr | 10.2g
Bullet Diameter:
0.357" | 9.07mm
Bullet Length:
0.693" | 17.6mm
Caliber:
9 mm Steyr (Roth) load data
Case Length (l3):
0.913" | 23.2mm
Cartridge Length (C.O.L.):
1.283" | 32.6mm
Seated Depth:
0.323" | 8.2mm
Shank Seated Depth:
0.323" | 8.2mm
Case Capacity:
17.4 Grains of Water | 1.13 cm³
Primer Size:
Small Pistol (SP)
Max. allowed Pressure:
19580 psi | 1350 bar
LID:
LID_B7482_C1226
Last updated:
2025-01-01

Load data for 36 loads in caliber 9 mm Steyr (Roth) with .357 | 158gr | H&N RN KB bullet and 18 powders such as ReloadSwiss RS 20. The key underlying parameters are shown in the table above.

  • Important Notice: DO NOT go below Minimum Charge or above Maximum Charge unless there are reasons. Since xxlreloading.com has no control over the equipment and components used by the customer and the data used in connection with the website, any responsibility and liability for the results achieved is rejected. Also see our Terms of Service

    Questions regarding the load data: Please read the information in the next tab "Explanations".

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  • We recommend you limit powder range to relevant brands to speed up re-calculation of results

    Use the Personalized Load Calculator to customize loads to your own specific requirements. Find more details in the help section.

    Our default view only displays powders/loads that fulfill certain criteria: Max pressure of a load <=90% of Max. Standardized Pressure. Fill Rate (Min FR): >80% and <100% for rife loads,  >60% and <100% for pistol loads. Min. Propellant Combustion (Min z): >90% for rifle loads , >80% for pistol/revolver loads. Relax these criteria at your own risk to potentially get more powders shown in the load tables.

    .

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Click on the desired row in the tables below to add a specific load / powder to your Diary and manage there.

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AP 100]*
<<locked>>
84%
17419
89%
**6
84%
Accurate Solo 1250
<<locked>>
67%
17216
88%
**6
100%
[Alliant POWER PISTOL]*
<<locked>>
69%
16737
85%
**9
83%
Alliant UNIQUE
<<locked>>
68%
16969
87%
**6
98%
Lovex S020
<<locked>>
63%
17274
88%
**3
99%
Maxam CSB 1
<<locked>>
67%
16346
83%
**0
100%
Maxam CSB 2
<<locked>>
69%
16723
85%
**6
100%
Maxam CSB 3
<<locked>>
63%
16955
87%
**7
100%
ReloadSwiss RS 20 👍
<<locked>>
70%
16737
85%
**6
99%
Rottweil P 806
<<locked>>
85%
16549
84%
**8
91%
SNPE Vectan A0
<<locked>>
68%
17100
87%
**6
97%
SNPE Vectan BA7 1/2
<<locked>>
74%
16665
85%
**6
90%
Somchem MS200
<<locked>>
64%
16708
85%
**3
98%
Vihtavuori 3N37
<<locked>>
71%
16592
85%
**2
92%
Vihtavuori N32C Tin Star
<<locked>>
84%
17419
89%
**1
100%
Vihtavuori N330
<<locked>>
64%
16723
85%
**6
100%
Vihtavuori N340
<<locked>>
66%
16462
84%
**6
98%
Vihtavuori N350
<<locked>>
75%
17332
89%
**2
93%

Max Load - Barrel Length: 5.50''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AP 100]*
<<locked>>
79%
14997
77%
**3
81%
Accurate Solo 1250
<<locked>>
61%
14228
73%
**4
100%
[Alliant POWER PISTOL]*
<<locked>>
66%
15548
79%
**3
81%
Alliant UNIQUE
<<locked>>
62%
14344
73%
**7
96%
Lovex S020
<<locked>>
60%
15621
80%
**3
99%
Maxam CSB 1
<<locked>>
61%
13619
70%
**8
99%
Maxam CSB 2
<<locked>>
60%
12459
64%
**7
100%
Maxam CSB 3
<<locked>>
60%
15403
79%
**7
100%
ReloadSwiss RS 20
<<locked>>
62%
12807
65%
**0
97%
[Rottweil P 806]*
<<locked>>
73%
10428
53%
**0
81%
SNPE Vectan A0
<<locked>>
62%
14446
74%
**4
95%
[SNPE Vectan BA7 1/2]*
<<locked>>
62%
11443
58%
**1
83%
Somchem MS200
<<locked>>
61%
15374
79%
**3
97%
[Vihtavuori 3N37]*
<<locked>>
61%
12111
62%
**1
86%
Vihtavuori N32C Tin Star
<<locked>>
66%
10617
54%
**9
100%
Vihtavuori N330
<<locked>>
61%
15156
77%
**0
100%
Vihtavuori N340
<<locked>>
60%
13677
70%
**1
96%
[Vihtavuori N350]*
<<locked>>
60%
10675
54%
**5
84%

Start Load - Barrel Length: 5.50''

Any powder missing? Then click here.

FR ... fill rate of the cartridge in percent

MaxP ... max. pressure of load in psi or bar

% ... max. pressure of load in percent of the maximum allowed pressure for this caliber 

V(0) ... muzzle velocity in feet per second (fps) or  meters per second (m/s)

z ... powder burnt in percent

[...] *... not dangerous but load has suboptimal powder burnt with possible characteristics such as extensive muzzle flash or inaccurate loads.

[...] ²... fill rate low - you might want to consider using a filler to ensure proper ignition.

[...] ᴾ... possible press load - work up slowly to this load while watching for signs of excessive pressure.

👍  ... recommended powder/load for this caliber and bullet combination based on its ballistic performance.

<<locked>>... you need to buy an access license to unlock the data

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