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Load data for 9 mm Steyr (Roth) + .357 | 158gr | Norma HP

Recommended Powder(s): ReloadSwiss RS 20

9 mm Steyr (Roth) + .357 | 158gr | Norma HP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.357 | 158gr | Norma HP
Manufacturer SKU:
69101
Bullet Weight:
158gr | 10.2g
Bullet Diameter:
0.357" | 9.07mm
Bullet Length:
0.679" | 17.2mm
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:
0.309" | 7.8mm
Shank Seated Depth:
0.309" | 7.8mm
Case Capacity:
17.4 Grains of Water | 1.13 cm³
Primer Size:
Small Pistol (SP)
Max. allowed Pressure:
19580 psi | 1350 bar
LID:
LID_B3895_C1226
Last updated:
2025-01-01

Load data for 30 loads in caliber 9 mm Steyr (Roth) with .357 | 158gr | Norma HP bullet and 15 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>>
79%
16694
85%
**6
84%
[Alliant POWER PISTOL]*
<<locked>>
66%
17231
88%
**5
83%
Alliant UNIQUE
<<locked>>
62%
16505
84%
**9
98%
Hodgdon TrailBoss
<<locked>>
93%
11182
57%
**2
100%
Maxam CSB 1
<<locked>>
65%
17100
87%
**7
100%
Maxam CSB 2
<<locked>>
63%
16476
84%
**3
100%
ReloadSwiss RS 14
<<locked>>
97%
10849
55%
**6
100%
ReloadSwiss RS 20 👍
<<locked>>
68%
17318
88%
**9
99%
Rottweil P 806
<<locked>>
81%
16636
85%
**4
91%
SNPE Vectan A0
<<locked>>
65%
17535
90%
**0
98%
SNPE Vectan BA7 1/2
<<locked>>
72%
17318
88%
**3
91%
Vihtavuori 3N37
<<locked>>
68%
17245
88%
**2
92%
Vihtavuori N32C Tin Star
<<locked>>
77%
17013
87%
**4
100%
Vihtavuori N340
<<locked>>
63%
17114
87%
**3
98%
Vihtavuori N350
<<locked>>
70%
16563
85%
**3
92%

Max Load - Barrel Length: 5.50''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AP 100]*
<<locked>>
74%
14605
75%
**7
81%
[Alliant POWER PISTOL]*
<<locked>>
62%
15229
78%
**9
81%
Alliant UNIQUE
<<locked>>
60%
15331
78%
**3
97%
Hodgdon TrailBoss
<<locked>>
88%
10211
52%
**6
100%
Maxam CSB 1
<<locked>>
62%
15693
80%
**0
100%
Maxam CSB 2
<<locked>>
60%
15084
77%
**7
100%
ReloadSwiss RS 14
<<locked>>
92%
9892
51%
**3
100%
ReloadSwiss RS 20
<<locked>>
60%
13663
70%
**0
98%
[Rottweil P 806]*
<<locked>>
65%
10022
51%
**7
80%
SNPE Vectan A0
<<locked>>
60%
14910
76%
**7
96%
[SNPE Vectan BA7 1/2]*
<<locked>>
62%
13213
67%
**8
86%
[Vihtavuori 3N37]*
<<locked>>
61%
13938
71%
**0
89%
Vihtavuori N32C Tin Star
<<locked>>
60%
10834
55%
**6
100%
Vihtavuori N340
<<locked>>
61%
15911
81%
**7
97%
[Vihtavuori N350]*
<<locked>>
60%
12270
63%
**4
87%

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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