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Load data for .357 Magnum + .357 | 170gr | Speer SP MAG GD

Recommended Powder(s):

.357 Magnum + .357 | 170gr | Speer SP MAG GD

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Load data for 126 loads in caliber .357 Magnum with .357 | 170gr | Speer SP MAG GD bullet and 63 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
96%
88%
100%
ADI AP 70N
67%
89%
100%
ADI APS 350
75%
89%
100%
ADI APS 450
75%
86%
100%
ADI AS 30
78%
90%
100%
ADI AS 50N
73%
88%
100%
Accurate 4100
97%
84%
82%
Accurate No. 2
74%
89%
100%
Accurate No. 7
76%
89%
95%
Accurate No. 9
84%
89%
90%
Accurate Solo 1000
76%
90%
100%
Accurate Solo 1250
80%
88%
100%
Accurate TCM
83%
87%
91%
Alliant 2400
95%
89%
87%
Alliant BLUE DOT
96%
85%
93%
Alliant BULLSEYE
71%
88%
100%
Alliant POWER PISTOL
79%
89%
100%
Alliant Sport Pistol
66%
90%
100%
Alliant UNIQUE
79%
86%
100%
Baschieri & Pellagri 100
76%
88%
100%
Baschieri & Pellagri 102 Pistol
94%
87%
100%
Baschieri & Pellagri 103 Pistol
71%
87%
100%
Hodgdon Clays
73%
87%
100%
Hodgdon HS-6
66%
90%
100%
Hodgdon Longshot
63%
89%
100%
Hodgdon Universal
74%
89%
100%
Hodgdon CFE Pistol
75%
86%
100%
Lovex D037.1
76%
89%
95%
Lovex D037.2
83%
89%
90%
Lovex S011
66%
89%
100%
Lovex S020
72%
87%
100%
Maxam CSB 1
83%
86%
100%
Maxam CSB 2
79%
86%
100%
Maxam CSB 3
79%
90%
100%
Maxam CSB 4
75%
86%
100%
Maxam CSB 5
72%
89%
100%
Ramshot Enforcer
96%
89%
88%
Ramshot Silhouette
66%
89%
100%
ReloadSwiss RS 12
68%
86%
100%
ReloadSwiss RS 20
81%
88%
100%
ReloadSwiss RS 24
81%
87%
96%
Rottweil P 801
65%
88%
100%
Rottweil P 806
86%
88%
100%
SNPE Vectan A0
83%
88%
100%
SNPE Vectan BA 9
75%
88%
100%
SNPE Vectan BA10
70%
86%
100%
SNPE Vectan BA7 1/2
87%
87%
100%
SNPE Vectan BA9 1/2
76%
87%
100%
SNPE Vectan SP 2
74%
88%
100%
Shooters World Heavy Pistol
83%
89%
90%
Shooters World Major Pistol
76%
89%
95%
Somchem MP200
74%
89%
100%
Somchem MS200
78%
88%
100%
Somchem S221
69%
88%
99%
Vihtavuori 3N37
80%
88%
100%
Vihtavuori 3N38
92%
86%
97%
Vihtavuori N105
96%
78%
99%
Vihtavuori N320
72%
86%
100%
Vihtavuori N32C Tin Star
96%
81%
100%
Vihtavuori N330
75%
89%
100%
Vihtavuori N340
79%
88%
100%
Vihtavuori N350
84%
88%
100%
Winchester 231
63%
87%
100%

Max Load - Barrel Length: 5.50''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AP 100
61%
35%
89%
ADI AP 70N
61%
75%
100%
ADI APS 350
61%
66%
100%
ADI APS 450
60%
61%
100%
ADI AS 30
61%
60%
100%
ADI AS 50N
62%
66%
100%
Accurate 4100
94%
76%
80%
Accurate No. 2
61%
59%
100%
Accurate No. 7
60%
50%
86%
Accurate No. 9
70%
54%
80%
Accurate Solo 1000
61%
61%
100%
Accurate Solo 1250
62%
54%
100%
Accurate TCM
67%
50%
81%
Alliant 2400
85%
64%
81%
Alliant BLUE DOT
71%
42%
81%
Alliant BULLSEYE
61%
67%
100%
Alliant POWER PISTOL
62%
52%
94%
Alliant Sport Pistol
60%
75%
100%
Alliant UNIQUE
61%
52%
100%
Baschieri & Pellagri 100
62%
60%
100%
Baschieri & Pellagri 102 Pistol
61%
37%
100%
Baschieri & Pellagri 103 Pistol
61%
64%
100%
Hodgdon Clays
61%
67%
100%
Hodgdon HS-6
60%
74%
100%
Hodgdon Longshot
61%
82%
100%
Hodgdon Universal
61%
62%
100%
Hodgdon CFE Pistol
61%
58%
100%
Lovex D037.1
60%
50%
86%
Lovex D037.2
69%
54%
80%
Lovex S011
61%
77%
100%
Lovex S020
61%
62%
100%
Maxam CSB 1
61%
48%
100%
Maxam CSB 2
61%
53%
100%
Maxam CSB 3
60%
55%
100%
Maxam CSB 4
62%
61%
100%
Maxam CSB 5
60%
65%
100%
Ramshot Enforcer
84%
59%
80%
Ramshot Silhouette
61%
76%
100%
ReloadSwiss RS 12
62%
72%
100%
ReloadSwiss RS 20
62%
50%
100%
ReloadSwiss RS 24
61%
44%
86%
Rottweil P 801
60%
78%
100%
Rottweil P 806
61%
36%
95%
SNPE Vectan A0
61%
49%
100%
SNPE Vectan BA 9
61%
59%
100%
SNPE Vectan BA10
60%
68%
100%
SNPE Vectan BA7 1/2
61%
41%
97%
SNPE Vectan BA9 1/2
61%
57%
100%
SNPE Vectan SP 2
61%
55%
97%
Shooters World Heavy Pistol
69%
54%
80%
Shooters World Major Pistol
60%
50%
86%
Somchem MP200
61%
60%
100%
Somchem MS200
62%
56%
100%
Somchem S221
61%
68%
96%
Vihtavuori 3N37
61%
48%
99%
Vihtavuori 3N38
61%
34%
82%
Vihtavuori N105
63%
27%
80%
Vihtavuori N320
61%
63%
100%
Vihtavuori N32C Tin Star
68%
44%
100%
Vihtavuori N330
62%
60%
100%
Vihtavuori N340
61%
52%
100%
Vihtavuori N350
61%
45%
99%
Winchester 231
60%
80%
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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