top of page

Load data for .357 Magnum + .357 | 125gr | H&N WC HS

Recommended Powder(s): Alliant UNIQUE, ReloadSwiss RS 20, SNPE Vectan A0, Somchem MS200, Vihtavuori N340

.357 Magnum + .357 | 125gr | H&N WC HS

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.357 | 125gr | H&N WC HS
Bullet Weight:
125gr | 8.1g
Bullet Diameter:
0.357" | 9.07mm
Bullet Length:
0.578" | 14.7mm
Caliber:
.357 Magnum load data
Case Length (l3):
1.290" | 32.8mm
Cartridge Length (C.O.L.):
1.290" | 32.8mm
Seated Depth:
0.578" | 14.7mm
Shank Seated Depth:
0.232" | 5.9mm
Case Capacity:
25.6 Grains of Water | 1.66 cm³
Primer Size:
Small Pistol Magnum (SPM)
Max. allowed Pressure:
43511 psi | 3000 bar
LID:
LID_B7467_C513
Last updated:
2025-11-10

Load data for 126 loads in caliber .357 Magnum with .357 | 125gr | H&N WC HS bullet and 63 powders such as Alliant UNIQUE, ReloadSwiss RS 20, SNPE Vectan A0, Somchem MS200, Vihtavuori N340. 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".

  • No data yet

  • 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.

    .

    Loading_icon.gif

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
96%
62%
92%
ADI AP 70N
77%
87%
100%
ADI APS 350
81%
86%
100%
ADI APS 450
84%
87%
100%
ADI AS 30
87%
87%
100%
ADI AS 50N
84%
87%
100%
Accurate No. 2
83%
87%
100%
Accurate No. 5
70%
90%
98%
Accurate No. 7
88%
90%
88%
Accurate Solo 1000
86%
88%
100%
Accurate Solo 1250
92%
88%
100%
Accurate TCM
97%
90%
83%
Alliant BULLSEYE
81%
88%
100%
Alliant POWER PISTOL
93%
90%
96%
Alliant Sport Pistol
76%
89%
100%
Alliant UNIQUE
93%
87%
100%
Baschieri & Pellagri 100
88%
90%
100%
Hodgdon Clays
81%
87%
100%
Hodgdon HP38
64%
86%
100%
Hodgdon HS-6
76%
89%
99%
Hodgdon Longshot
72%
87%
100%
Hodgdon Universal
86%
87%
100%
Hodgdon CFE Pistol
88%
89%
100%
Hodgdon TrailBoss
96%
26%
100%
Lovex D036
70%
90%
98%
Lovex D037.1
88%
90%
88%
Lovex S011
74%
86%
100%
Lovex S020
84%
90%
100%
Maxam CSB 1
95%
86%
100%
Maxam CSB 2
92%
86%
100%
Maxam CSB 3
91%
90%
100%
Maxam CSB 4
86%
87%
100%
Maxam CSB 5
81%
85%
100%
Ramshot Silhouette
76%
88%
100%
Ramshot True Blue
71%
89%
100%
Ramshot Zip
65%
87%
100%
ReloadSwiss RS 12
82%
90%
100%
ReloadSwiss RS 14
95%
22%
99%
ReloadSwiss RS 20
95%
89%
100%
ReloadSwiss RS 24
95%
88%
90%
Rottweil P 801
75%
86%
100%
Rottweil P 806
96%
72%
98%
SNPE Vectan A0
96%
89%
100%
SNPE Vectan BA 9
87%
89%
100%
SNPE Vectan BA10
78%
87%
100%
SNPE Vectan BA7 1/2
95%
77%
99%
SNPE Vectan BA9 1/2
87%
86%
100%
SNPE Vectan SP 2
89%
88%
98%
Shooters World Auto Pistol
70%
90%
98%
Shooters World Major Pistol
88%
90%
88%
Somchem MP200
85%
87%
100%
Somchem MS200
90%
87%
100%
Somchem S221
80%
89%
94%
Vihtavuori 3N37
94%
89%
100%
Vihtavuori 3N38
97%
64%
86%
Vihtavuori N105
96%
47%
84%
Vihtavuori N310
69%
85%
100%
Vihtavuori N320
85%
89%
100%
Vihtavuori N32C Tin Star
95%
59%
100%
Vihtavuori N330
86%
87%
100%
Vihtavuori N340
91%
87%
100%
Vihtavuori N350
96%
86%
100%
Winchester 231
73%
87%
100%

Max Load - Barrel Length: 5.50''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AP 100]*
<<locked>>
74%
15055
35%
**37
81%
ADI AP 70N
<<locked>>
61%
23627
54%
**78
100%
ADI APS 350
<<locked>>
60%
22887
53%
**8
100%
ADI APS 450
<<locked>>
60%
21509
49%
**7
100%
ADI AS 30
<<locked>>
61%
19624
45%
**17
100%
ADI AS 50N
<<locked>>
60%
20465
47%
**73
100%
Accurate No. 2
<<locked>>
60%
18217
42%
**73
96%
Accurate No. 5
<<locked>>
61%
27572
63%
**16
94%
[Accurate No. 7]*
<<locked>>
77%
25280
58%
**16
80%
Accurate Solo 1000
<<locked>>
61%
20305
47%
**50
100%
Accurate Solo 1250
<<locked>>
61%
15983
37%
**17
100%
[Accurate TCM]*
<<locked>>
93%
34418
79%
**34
81%
Alliant BULLSEYE
<<locked>>
60%
21205
49%
**65
100%
[Alliant POWER PISTOL]*
<<locked>>
63%
15911
37%
**89
81%
Alliant Sport Pistol
<<locked>>
61%
24671
57%
**30
100%
Alliant UNIQUE
<<locked>>
60%
15302
35%
**40
96%
Baschieri & Pellagri 100
<<locked>>
61%
18391
42%
**30
100%
Hodgdon Clays
<<locked>>
60%
23177
53%
**01
100%
Hodgdon HP38
<<locked>>
61%
33968
78%
**86
100%
Hodgdon HS-6
<<locked>>
61%
22640
52%
**14
93%
Hodgdon Longshot
<<locked>>
61%
25527
59%
**66
97%
Hodgdon Universal
<<locked>>
60%
18666
43%
**89
100%
Hodgdon CFE Pistol
<<locked>>
61%
17898
41%
**70
100%
Hodgdon TrailBoss
<<locked>>
67%
5874
14%
**9
98%
Lovex D036
<<locked>>
61%
27528
63%
**16
94%
[Lovex D037.1]*
<<locked>>
77%
25280
58%
**16
80%
Lovex S011
<<locked>>
61%
25498
59%
**58
100%
Lovex S020
<<locked>>
61%
18681
43%
**02
100%
Maxam CSB 1
<<locked>>
61%
15287
35%
**4
100%
Maxam CSB 2
<<locked>>
62%
15548
36%
**33
100%
Maxam CSB 3
<<locked>>
61%
17782
41%
**33
100%
Maxam CSB 4
<<locked>>
62%
20117
46%
**60
100%
Maxam CSB 5
<<locked>>
62%
23192
53%
**66
100%
Ramshot Silhouette
<<locked>>
60%
22771
52%
**01
99%
Ramshot True Blue
<<locked>>
62%
27180
62%
**83
97%
Ramshot Zip
<<locked>>
61%
32721
75%
**76
100%
ReloadSwiss RS 12
<<locked>>
62%
21306
49%
**25
100%
ReloadSwiss RS 14
<<locked>>
69%
5497
13%
**3
93%
ReloadSwiss RS 20
<<locked>>
62%
14344
33%
**30
97%
[ReloadSwiss RS 24]*
<<locked>>
77%
21915
50%
**24
80%
Rottweil P 801
<<locked>>
61%
24410
56%
**42
100%
[Rottweil P 806]*
<<locked>>
69%
11124
26%
**20
81%
SNPE Vectan A0
<<locked>>
60%
15214
35%
**4
96%
SNPE Vectan BA 9
<<locked>>
61%
19218
44%
**76
100%
SNPE Vectan BA10
<<locked>>
60%
24439
56%
**43
100%
[SNPE Vectan BA7 1/2]*
<<locked>>
61%
12691
29%
**8
84%
SNPE Vectan BA9 1/2
<<locked>>
62%
18811
43%
**76
100%
[SNPE Vectan SP 2]*
<<locked>>
61%
15127
35%
**99
83%
Shooters World Auto Pistol
<<locked>>
61%
27528
63%
**16
94%
[Shooters World Major Pistol]*
<<locked>>
77%
25280
58%
**16
80%
Somchem MP200
<<locked>>
61%
18768
43%
**12
97%
Somchem MS200
<<locked>>
61%
17303
40%
**63
98%
[Somchem S221]*
<<locked>>
61%
19537
45%
**65
82%
[Vihtavuori 3N37]*
<<locked>>
62%
14156
33%
**27
88%
[Vihtavuori 3N38]*
<<locked>>
87%
21205
49%
**11
81%
[Vihtavuori N105]*
<<locked>>
91%
17622
40%
**75
80%
Vihtavuori N310
<<locked>>
60%
28921
66%
**15
100%
Vihtavuori N320
<<locked>>
62%
19957
46%
**76
100%
Vihtavuori N32C Tin Star
<<locked>>
60%
10414
24%
**3
100%
Vihtavuori N330
<<locked>>
61%
17463
40%
**83
100%
Vihtavuori N340
<<locked>>
60%
15606
36%
**33
97%
[Vihtavuori N350]*
<<locked>>
62%
13024
30%
**1
87%
Winchester 231
<<locked>>
61%
26542
61%
**98
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

bottom of page