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

Recommended Powder(s):

9 mm Steyr (Roth) + .357 | 158gr | H&N KS HS

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.357 | 158gr | H&N KS HS
Bullet Weight:
158gr | 10.2g
Bullet Diameter:
0.357" | 9.07mm
Bullet Length:
<<locked>>
Caliber:
9 mm Steyr (Roth) load data
Case Length (l3):
0.913" | 23.2mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
17.4 Grains of Water | 1.13 cm³
Primer Size:
Small Pistol (SP)
Max. allowed Pressure:
19580 psi | 1350 bar
LID:
LID_B7478_C1226
Last updated:
2026-03-09

Load data for 40 loads in caliber 9 mm Steyr (Roth) with .357 | 158gr | H&N KS HS bullet and 20 powder(s). 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>>
82%
17608
90%
**9
86%
Accurate Solo 1250
<<locked>>
64%
16882
86%
**0
100%
Alliant BE-86
<<locked>>
64%
17042
87%
**3
100%
Alliant Herco
<<locked>>
78%
17129
88%
**6
98%
[Alliant POWER PISTOL]*
<<locked>>
67%
17158
88%
**8
84%
Alliant UNIQUE
<<locked>>
66%
17289
88%
**9
98%
Baschieri & Pellagri 102 Pistol
<<locked>>
79%
17492
89%
**3
100%
Hodgdon CFE Pistol
<<locked>>
62%
17593
90%
**9
100%
Maxam CSB 1
<<locked>>
67%
17434
89%
**3
100%
Maxam CSB 2
<<locked>>
67%
17318
88%
**9
100%
ReloadSwiss RS 20 👍
<<locked>>
69%
17477
89%
**8
100%
Rottweil P 806
<<locked>>
83%
17376
89%
**24
92%
SNPE Vectan A0
<<locked>>
66%
17187
88%
**6
98%
SNPE Vectan BA7 1/2
<<locked>>
74%
17477
89%
**2
92%
[SNPE Vectan SP 2]*
<<locked>>
67%
17477
89%
**8
88%
Vihtavuori 3N37
<<locked>>
69%
17056
87%
**2
93%
[Vihtavuori N105]*
<<locked>>
94%
17506
89%
**8
82%
Vihtavuori N340
<<locked>>
65%
17376
89%
**9
99%
Vihtavuori N350
<<locked>>
72%
17172
88%
**2
93%
Winchester AutoComp
<<locked>>
66%
17158
88%
**9
100%

Max Load - Barrel Length: 5.50''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AP 100]*
<<locked>>
72%
13460
69%
**3
80%
Accurate Solo 1250
<<locked>>
61%
15447
79%
**3
100%
Alliant BE-86
<<locked>>
60%
15084
77%
**7
100%
Alliant Herco
<<locked>>
70%
13764
70%
**3
96%
[Alliant POWER PISTOL]*
<<locked>>
61%
13909
71%
**3
80%
Alliant UNIQUE
<<locked>>
62%
15360
78%
**9
97%
Baschieri & Pellagri 102 Pistol
<<locked>>
75%
15534
79%
**0
100%
Hodgdon CFE Pistol
<<locked>>
60%
16302
83%
**6
100%
Maxam CSB 1
<<locked>>
63%
15418
79%
**0
100%
Maxam CSB 2
<<locked>>
60%
13750
70%
**3
100%
ReloadSwiss RS 20
<<locked>>
62%
13793
70%
**0
98%
[Rottweil P 806]*
<<locked>>
68%
9950
51%
**7
81%
SNPE Vectan A0
<<locked>>
62%
15331
78%
**7
97%
[SNPE Vectan BA7 1/2]*
<<locked>>
67%
14272
73%
**3
88%
[SNPE Vectan SP 2]*
<<locked>>
61%
13605
70%
**6
83%
[Vihtavuori 3N37]*
<<locked>>
60%
12734
65%
**3
88%
[Vihtavuori N105]*
<<locked>>
90%
16027
82%
**5
80%
Vihtavuori N340
<<locked>>
60%
14663
75%
**7
97%
[Vihtavuori N350]*
<<locked>>
64%
13227
68%
**0
89%
Winchester AutoComp
<<locked>>
61%
14823
76%
**3
100%

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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