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

Recommended Powder(s): ReloadSwiss RS 20

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

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.357 | 158gr | H&N SWC KB
Bullet Weight:
158gr | 10.2g
Bullet Diameter:
0.357" | 9.07mm
Bullet Length:
0.689" | 17.5mm
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:
0.319" | 8.1mm
Shank Seated Depth:
0.319" | 8.1mm
Case Capacity:
17.4 Grains of Water | 1.13 cm³
Primer Size:
Small Pistol (SP)
Max. allowed Pressure:
19580 psi | 1350 bar
LID:
LID_B7485_C1226
Last updated:
2025-01-01

Load data for 32 loads in caliber 9 mm Steyr (Roth) with .357 | 158gr | H&N SWC KB bullet and 16 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>>
83%
17042
87%
**9
84%
Accurate Solo 1250
<<locked>>
66%
16955
87%
**6
100%
[Alliant POWER PISTOL]*
<<locked>>
68%
16462
84%
**6
83%
Alliant UNIQUE
<<locked>>
67%
16708
85%
**6
98%
Maxam CSB 1
<<locked>>
67%
16099
82%
**7
100%
Maxam CSB 2
<<locked>>
68%
16563
85%
**6
100%
ReloadSwiss RS 20 👍
<<locked>>
70%
16462
84%
**2
99%
Rottweil P 806
<<locked>>
86%
17463
89%
**07
92%
SNPE Vectan A0
<<locked>>
67%
16781
86%
**3
97%
SNPE Vectan BA7 1/2
<<locked>>
76%
17579
90%
**6
91%
Somchem MS200
<<locked>>
63%
16563
85%
**0
98%
Vihtavuori 3N37
<<locked>>
70%
16418
84%
**2
92%
Vihtavuori N32C Tin Star
<<locked>>
83%
17245
88%
**1
100%
Vihtavuori N330
<<locked>>
63%
16476
84%
**6
100%
Vihtavuori N340
<<locked>>
65%
16201
83%
**3
98%
Vihtavuori N350
<<locked>>
74%
17158
88%
**2
93%

Max Load - Barrel Length: 5.50''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AP 100]*
<<locked>>
78%
14852
76%
**3
81%
Accurate Solo 1250
<<locked>>
60%
14025
72%
**1
99%
[Alliant POWER PISTOL]*
<<locked>>
66%
15389
79%
**3
81%
Alliant UNIQUE
<<locked>>
61%
14112
72%
**7
96%
Maxam CSB 1
<<locked>>
61%
13431
69%
**4
99%
Maxam CSB 2
<<locked>>
62%
13634
70%
**4
100%
ReloadSwiss RS 20
<<locked>>
62%
12691
65%
**7
97%
[Rottweil P 806]*
<<locked>>
72%
10269
52%
**7
81%
SNPE Vectan A0
<<locked>>
62%
14170
72%
**1
95%
[SNPE Vectan BA7 1/2]*
<<locked>>
61%
11255
57%
**1
83%
Somchem MS200
<<locked>>
61%
15243
78%
**3
97%
[Vihtavuori 3N37]*
<<locked>>
61%
11908
61%
**7
86%
Vihtavuori N32C Tin Star
<<locked>>
65%
10515
54%
**9
100%
Vihtavuori N330
<<locked>>
61%
14924
76%
**0
100%
Vihtavuori N340
<<locked>>
62%
14823
76%
**7
97%
[Vihtavuori N350]*
<<locked>>
62%
11400
58%
**1
85%

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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