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Load data for .357 Magnum + .357 | 158gr | Sierra JHC SportsMaster

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Recommended Powder(s): ADI AP 100, SNPE Vectan BA7 1/2, Vihtavuori 3N37, Vihtavuori N350

.357 Magnum + .357 | 158gr | Sierra JHC SportsMaster

Load Specifications

Bullet:
.357 | 158gr | Sierra JHC SportsMaster
Manufacturer SKU:
8360
Bullet Weight:
158gr | 10.2g
Bullet Diameter:
0.357" | 9.07mm
Bullet Length:
0.666" | 16.9mm
Caliber:
.357 Magnum
Case Length (l3):
1.290" | 32.8mm
Cartridge Length (C.O.L.):
1.566" | 39.8mm
Seated Depth:
0.390" | 9.9mm
Shank Seated Depth:
0.390" | 9.9mm
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_B5947_C513

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 112 loads in caliber .357 Magnum with .357 | 158gr | Sierra JHC SportsMaster bullet and 56 powders such as ADI AP 100, SNPE Vectan BA7 1/2, Vihtavuori 3N37, Vihtavuori N350. 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".

    • A load must fulfill certain criteria to be listed in the default view below - see here.

    • Our load data might deviate from other sources - see the most common reasons here

    • All loads are based on the bullet and case dimensions shown under "Load Specifications" - see here what to do if you deviate.

    • You can set your specifications in the "Personalized Load Calculator".

    • Go to the bottom of the "My Account " page to set the measure system (imperial vs. metric) 

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    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.

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>>
95%
37072
85%
**25
99%
ADI AP 70N
<<locked>>
67%
38464
88%
**20
100%
ADI AS 30
<<locked>>
74%
35795
82%
**96
100%
ADI AS 50N
<<locked>>
71%
36506
84%
**42
100%
Accurate No. 2
<<locked>>
74%
37942
87%
**37
100%
Accurate No. 7
<<locked>>
75%
37115
85%
**71
93%
[Accurate No. 9]*
<<locked>>
83%
36825
85%
**62
87%
Accurate Solo 1000
<<locked>>
77%
38769
89%
**52
100%
Accurate Solo 1250
<<locked>>
78%
36172
83%
**81
100%
[Accurate TCM]*
<<locked>>
83%
37231
86%
**68
89%
[Alliant 2400]*
<<locked>>
96%
38972
90%
**11
86%
Alliant BULLSEYE
<<locked>>
71%
37855
87%
**70
100%
Alliant POWER PISTOL
<<locked>>
80%
38899
89%
**88
99%
Alliant UNIQUE
<<locked>>
81%
38464
88%
**76
100%
Baschieri & Pellagri 100
<<locked>>
75%
36521
84%
**32
100%
Hodgdon Clays
<<locked>>
73%
37811
87%
**63
100%
Hodgdon HS-6
<<locked>>
66%
37739
87%
**09
100%
Hodgdon Longshot
<<locked>>
63%
38841
89%
**16
100%
Hodgdon Universal
<<locked>>
74%
38464
88%
**20
100%
Hodgdon TrailBoss
<<locked>>
91%
15229
35%
**0
100%
Lovex D037.1
<<locked>>
75%
37115
85%
**71
93%
[Lovex D037.2]*
<<locked>>
83%
38072
87%
**78
88%
Lovex S011
<<locked>>
64%
36390
84%
**58
100%
Lovex S020
<<locked>>
73%
38899
89%
**37
100%
Maxam CSB 1
<<locked>>
83%
36941
85%
**84
100%
Maxam CSB 2
<<locked>>
79%
36999
85%
**88
100%
Maxam CSB 3
<<locked>>
79%
38551
89%
**78
100%
Maxam CSB 4
<<locked>>
75%
37333
86%
**48
100%
Maxam CSB 5
<<locked>>
72%
38435
88%
**12
100%
[Ramshot Enforcer]*
<<locked>>
97%
38624
89%
**17
87%
Ramshot Silhouette
<<locked>>
66%
37710
87%
**70
100%
ReloadSwiss RS 12
<<locked>>
70%
39073
90%
**91
100%
ReloadSwiss RS 14
<<locked>>
93%
14417
33%
**3
100%
ReloadSwiss RS 20
<<locked>>
79%
35955
83%
**40
100%
ReloadSwiss RS 24
<<locked>>
82%
37565
86%
**65
96%
Rottweil P 801
<<locked>>
64%
36825
85%
**42
100%
Rottweil P 806
<<locked>>
86%
37492
86%
**85
100%
SNPE Vectan A0
<<locked>>
81%
36318
83%
**14
100%
SNPE Vectan BA 9
<<locked>>
77%
39131
90%
**17
100%
SNPE Vectan BA10
<<locked>>
72%
39059
90%
**93
100%
SNPE Vectan BA7 1/2 👍
<<locked>>
87%
37028
85%
**76
100%
SNPE Vectan BA9 1/2
<<locked>>
77%
38856
89%
**17
100%
[Shooters World Heavy Pistol]*
<<locked>>
83%
38072
87%
**78
88%
Shooters World Major Pistol
<<locked>>
75%
37115
85%
**71
93%
Somchem MP200
<<locked>>
72%
36289
83%
**47
100%
Somchem MS200
<<locked>>
80%
39088
90%
**53
100%
Somchem S221
<<locked>>
69%
38522
89%
**55
98%
Vihtavuori 3N37 👍
<<locked>>
80%
36912
85%
**96
100%
Vihtavuori 3N38
<<locked>>
93%
37449
86%
**58
96%
Vihtavuori N105
<<locked>>
96%
33649
77%
**55
98%
Vihtavuori N320
<<locked>>
72%
37159
85%
**48
100%
Vihtavuori N32C Tin Star
<<locked>>
96%
35012
80%
**63
100%
Vihtavuori N330
<<locked>>
73%
36448
84%
**98
100%
Vihtavuori N340
<<locked>>
77%
36100
83%
**27
100%
Vihtavuori N350 👍
<<locked>>
85%
38696
89%
**12
100%
Winchester 231
<<locked>>
63%
37449
86%
**81
100%

Max Load - Barrel Length: 5.50''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AP 100]*
<<locked>>
62%
15055
35%
**2
88%
ADI AP 70N
<<locked>>
61%
32503
75%
**55
100%
ADI AS 30
<<locked>>
62%
26658
61%
**1
100%
ADI AS 50N
<<locked>>
60%
27311
63%
**40
100%
Accurate No. 2
<<locked>>
61%
25396
58%
**83
100%
[Accurate No. 7]*
<<locked>>
61%
22292
51%
**35
84%
[Accurate No. 9]*
<<locked>>
73%
25962
60%
**98
81%
Accurate Solo 1000
<<locked>>
61%
26585
61%
**17
100%
Accurate Solo 1250
<<locked>>
60%
22292
51%
**04
100%
[Accurate TCM]*
<<locked>>
69%
22800
52%
**35
80%
[Alliant 2400]*
<<locked>>
87%
29544
68%
**73
80%
Alliant BULLSEYE
<<locked>>
61%
28892
66%
**55
100%
Alliant POWER PISTOL
<<locked>>
62%
22292
51%
**22
93%
Alliant UNIQUE
<<locked>>
61%
22843
52%
**70
100%
Baschieri & Pellagri 100
<<locked>>
60%
24743
57%
**01
100%
Hodgdon Clays
<<locked>>
60%
27920
64%
**1
100%
Hodgdon HS-6
<<locked>>
61%
32735
75%
**47
100%
Hodgdon Longshot
<<locked>>
61%
36303
83%
**80
100%
Hodgdon Universal
<<locked>>
61%
27021
62%
**86
100%
Hodgdon TrailBoss
<<locked>>
66%
9326
21%
**2
100%
[Lovex D037.1]*
<<locked>>
61%
22292
51%
**35
84%
[Lovex D037.2]*
<<locked>>
71%
25005
57%
**84
80%
Lovex S011
<<locked>>
61%
33228
76%
**22
100%
Lovex S020
<<locked>>
61%
26716
61%
**02
100%
Maxam CSB 1
<<locked>>
61%
21379
49%
**8
100%
Maxam CSB 2
<<locked>>
61%
23221
53%
**24
100%
Maxam CSB 3
<<locked>>
61%
24163
56%
**10
100%
Maxam CSB 4
<<locked>>
60%
25425
58%
**10
100%
Maxam CSB 5
<<locked>>
61%
28660
66%
**10
100%
[Ramshot Enforcer]*
<<locked>>
88%
29399
68%
**86
81%
Ramshot Silhouette
<<locked>>
61%
32300
74%
**07
100%
ReloadSwiss RS 12
<<locked>>
60%
29675
68%
**89
100%
ReloadSwiss RS 14
<<locked>>
62%
7963
18%
**6
100%
ReloadSwiss RS 20
<<locked>>
60%
20740
48%
**40
100%
[ReloadSwiss RS 24]*
<<locked>>
60%
19131
44%
**53
84%
Rottweil P 801
<<locked>>
61%
33765
78%
**09
100%
Rottweil P 806
<<locked>>
61%
15563
36%
**14
93%
SNPE Vectan A0
<<locked>>
61%
21393
49%
**14
100%
SNPE Vectan BA 9
<<locked>>
61%
25715
59%
**56
100%
SNPE Vectan BA10
<<locked>>
61%
29834
69%
**4
100%
SNPE Vectan BA7 1/2
<<locked>>
61%
18086
42%
**4
96%
SNPE Vectan BA9 1/2
<<locked>>
61%
25034
58%
**50
100%
[Shooters World Heavy Pistol]*
<<locked>>
71%
25005
57%
**84
80%
[Shooters World Major Pistol]*
<<locked>>
61%
22292
51%
**35
84%
Somchem MP200
<<locked>>
61%
26049
60%
**12
100%
Somchem MS200
<<locked>>
60%
23221
53%
**50
100%
Somchem S221
<<locked>>
61%
29022
67%
**20
95%
Vihtavuori 3N37
<<locked>>
61%
20581
47%
**56
98%
[Vihtavuori 3N38]*
<<locked>>
64%
15998
37%
**1
82%
[Vihtavuori N105]*
<<locked>>
67%
13343
31%
**1
82%
Vihtavuori N320
<<locked>>
62%
27630
64%
**43
100%
Vihtavuori N32C Tin Star
<<locked>>
62%
16447
38%
**7
100%
Vihtavuori N330
<<locked>>
60%
24874
57%
**63
100%
Vihtavuori N340
<<locked>>
61%
22713
52%
**53
100%
Vihtavuori N350
<<locked>>
61%
19189
44%
**27
98%
Winchester 231
<<locked>>
60%
34447
79%
**55
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.

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