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Load data for .357 Auto Magnum + .357 | 170gr | Sierra JHC SportsMaster

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Recommended Powder(s):

.357 Auto Magnum + .357 | 170gr | Sierra JHC SportsMaster

Load Specifications

Bullet:
.357 | 170gr | Sierra JHC SportsMaster
Manufacturer SKU:
8365
Bullet Weight:
170gr | 11.0g
Bullet Diameter:
0.357" | 9.07mm
Bullet Length:
0.740" | 18.8mm
Caliber:
.357 Auto Magnum
Case Length (l3):
1.299" | 33.0mm
Cartridge Length (C.O.L.):
1.576" | 40.0mm
Seated Depth:
0.463" | 11.8mm
Shank Seated Depth:
0.463" | 11.8mm
Case Capacity:
35.0 Grains of Water | 2.27 cm³
Primer Size:
Small Pistol Magnum (SPM)
Max. allowed Pressure:
36985 psi | 2550 bar
LID:
LID_B5950_C511

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

Load data for 0 loads in caliber .357 Auto Magnum with .357 | 170gr | Sierra JHC SportsMaster bullet and 0 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".

    • 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>>
78%
32155
87%
**19
100%
ADI APS 450
<<locked>>
63%
32677
88%
**83
100%
[Accurate 4100]*
<<locked>>
81%
32053
87%
**81
84%
Accurate No. 9
<<locked>>
69%
32967
89%
**81
91%
Accurate Solo 1250
<<locked>>
66%
33185
90%
**01
100%
Accurate TCM
<<locked>>
68%
32097
87%
**68
92%
[Alliant 2400]*
<<locked>>
78%
33054
89%
**01
88%
Alliant BLUE DOT
<<locked>>
79%
31894
86%
**58
94%
Alliant POWER PISTOL
<<locked>>
64%
32808
89%
**62
100%
Alliant UNIQUE
<<locked>>
64%
31749
86%
**43
100%
[Hodgdon LilGun]*
<<locked>>
88%
31763
86%
**50
88%
Hodgdon TrailBoss
<<locked>>
96%
20755
56%
**5
100%
Lovex D037.2
<<locked>>
68%
32213
87%
**81
91%
Maxam CSB 1
<<locked>>
68%
32590
88%
**88
100%
Maxam CSB 2
<<locked>>
64%
32590
88%
**81
100%
Maxam CSB 3
<<locked>>
64%
32329
87%
**65
100%
[Ramshot Enforcer]*
<<locked>>
78%
32445
88%
**11
89%
ReloadSwiss RS 14
<<locked>>
94%
18913
51%
**8
100%
ReloadSwiss RS 20
<<locked>>
65%
32561
88%
**47
100%
ReloadSwiss RS 24
<<locked>>
66%
31705
86%
**58
97%
Rottweil P 806
<<locked>>
68%
31778
86%
**45
100%
SNPE Vectan A0
<<locked>>
67%
32329
87%
**20
100%
[SNPE Vectan BA6 1/2]*
<<locked>>
96%
25005
68%
**70
87%
SNPE Vectan BA7 1/2
<<locked>>
72%
33170
90%
**89
100%
Shooters World Heavy Pistol
<<locked>>
68%
32213
87%
**81
91%
Somchem MS200
<<locked>>
63%
31691
86%
**17
100%
Vihtavuori 3N37
<<locked>>
65%
32285
87%
**96
100%
Vihtavuori 3N38
<<locked>>
75%
31952
86%
**52
98%
Vihtavuori N105
<<locked>>
81%
32605
88%
**94
100%
[Vihtavuori N110]*
<<locked>>
97%
31502
85%
**07
88%
Vihtavuori N32C Tin Star
<<locked>>
81%
31792
86%
**76
100%
Vihtavuori N340
<<locked>>
63%
31444
85%
**17
100%
Vihtavuori N350
<<locked>>
69%
33272
90%
**99
100%

Max Load - Barrel Length: 5.50''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AP 100
<<locked>>
61%
20247
55%
**02
97%
ADI APS 450
<<locked>>
61%
30545
83%
**56
100%
[Accurate 4100]*
<<locked>>
75%
26455
72%
**86
81%
[Accurate No. 9]*
<<locked>>
61%
24381
66%
**37
86%
Accurate Solo 1250
<<locked>>
61%
28979
78%
**45
100%
[Accurate TCM]*
<<locked>>
61%
24889
67%
**40
87%
[Alliant 2400]*
<<locked>>
66%
22278
60%
**01
80%
[Alliant BLUE DOT]*
<<locked>>
61%
18826
51%
**96
85%
Alliant POWER PISTOL
<<locked>>
61%
29225
79%
**09
99%
Alliant UNIQUE
<<locked>>
61%
29863
81%
**24
100%
[Hodgdon LilGun]*
<<locked>>
80%
23569
64%
**89
81%
Hodgdon TrailBoss
<<locked>>
62%
10660
29%
**8
100%
[Lovex D037.2]*
<<locked>>
61%
25164
68%
**47
86%
Maxam CSB 1
<<locked>>
61%
26774
72%
**12
100%
Maxam CSB 2
<<locked>>
61%
30501
82%
**52
100%
Maxam CSB 3
<<locked>>
61%
30284
82%
**35
100%
[Ramshot Enforcer]*
<<locked>>
65%
20566
56%
**81
80%
ReloadSwiss RS 14
<<locked>>
61%
9906
27%
**8
100%
ReloadSwiss RS 20
<<locked>>
61%
28572
77%
**94
100%
ReloadSwiss RS 24
<<locked>>
61%
26963
73%
**76
95%
Rottweil P 806
<<locked>>
61%
24613
67%
**37
100%
SNPE Vectan A0
<<locked>>
60%
26745
72%
**42
100%
[SNPE Vectan BA6 1/2]*
<<locked>>
86%
18811
51%
**29
80%
SNPE Vectan BA7 1/2
<<locked>>
61%
23714
64%
**45
100%
[Shooters World Heavy Pistol]*
<<locked>>
61%
25164
68%
**47
86%
Somchem MS200
<<locked>>
60%
29776
81%
**91
100%
Vihtavuori 3N37
<<locked>>
61%
28732
78%
**47
100%
Vihtavuori 3N38
<<locked>>
61%
20421
55%
**32
92%
Vihtavuori N105
<<locked>>
61%
16534
45%
**86
92%
[Vihtavuori N110]*
<<locked>>
85%
21843
59%
**27
81%
Vihtavuori N32C Tin Star
<<locked>>
60%
19986
54%
**5
100%
Vihtavuori N340
<<locked>>
61%
29559
80%
**98
100%
Vihtavuori N350
<<locked>>
61%
26150
71%
**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.

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