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Load data for 9 mm Steyr (Roth) + .357 | 158gr | Speer SP MAG GD

Recommended Powder(s):

9 mm Steyr (Roth) + .357 | 158gr | Speer SP MAG GD

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.357 | 158gr | Speer SP MAG GD
Manufacturer SKU:
4215
Bullet Weight:
158gr | 10.2g
Bullet Diameter:
0.357" | 9.07mm
Bullet Length:
0.680" | 17.3mm
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:
0.310" | 7.9mm
Shank Seated Depth:
0.310" | 7.9mm
Case Capacity:
17.4 Grains of Water | 1.13 cm³
Primer Size:
Small Pistol (SP)
Max. allowed Pressure:
19580 psi | 1350 bar
LID:
LID_B6225_C1226
Last updated:
2025-01-01

Load data for 28 loads in caliber 9 mm Steyr (Roth) with .357 | 158gr | Speer SP MAG GD bullet and 14 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>>
81%
17245
88%
**2
85%
Accurate Solo 1250
<<locked>>
65%
17318
88%
**0
100%
[Alliant POWER PISTOL]*
<<locked>>
66%
16810
86%
**2
83%
Alliant UNIQUE
<<locked>>
65%
17260
88%
**6
98%
Maxam CSB 1
<<locked>>
65%
16534
84%
**0
100%
Maxam CSB 2
<<locked>>
66%
17216
88%
**9
100%
ReloadSwiss RS 20 👍
<<locked>>
68%
16868
86%
**6
99%
Rottweil P 806
<<locked>>
82%
16926
86%
**1
91%
SNPE Vectan A0
<<locked>>
66%
16998
87%
**6
98%
SNPE Vectan BA7 1/2
<<locked>>
72%
16607
85%
**6
90%
Vihtavuori 3N37
<<locked>>
68%
16650
85%
**6
92%
Vihtavuori N32C Tin Star
<<locked>>
77%
16317
83%
**1
100%
Vihtavuori N340
<<locked>>
64%
16549
84%
**6
98%
Vihtavuori N350
<<locked>>
72%
17289
88%
**6
93%

Max Load - Barrel Length: 5.50''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AP 100]*
<<locked>>
74%
14098
72%
**3
81%
Accurate Solo 1250
<<locked>>
62%
15867
81%
**3
100%
[Alliant POWER PISTOL]*
<<locked>>
62%
14591
75%
**6
80%
Alliant UNIQUE
<<locked>>
60%
14707
75%
**3
96%
Maxam CSB 1
<<locked>>
62%
15185
78%
**7
100%
Maxam CSB 2
<<locked>>
61%
14417
74%
**0
100%
ReloadSwiss RS 20
<<locked>>
60%
13082
67%
**4
97%
[Rottweil P 806]*
<<locked>>
68%
10370
53%
**0
81%
SNPE Vectan A0
<<locked>>
60%
14562
74%
**4
96%
[SNPE Vectan BA7 1/2]*
<<locked>>
62%
12647
65%
**1
85%
[Vihtavuori 3N37]*
<<locked>>
61%
13445
69%
**0
88%
Vihtavuori N32C Tin Star
<<locked>>
60%
10254
52%
**3
100%
Vihtavuori N340
<<locked>>
61%
15243
78%
**3
97%
[Vihtavuori N350]*
<<locked>>
60%
11835
60%
**4
86%

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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