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Load data for .38 Super Auto + .357 | 170gr | Sierra FMJ RN SportsMaster

Recommended Powder(s): Vihtavuori 3N37, Vihtavuori N350

.38 Super Auto + .357 | 170gr | Sierra FMJ RN SportsMaster

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Load data for 70 loads in caliber .38 Super Auto with .357 | 170gr | Sierra FMJ RN SportsMaster bullet and 35 powders such as 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".

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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
97%
74%
90%
ADI AP 70N
71%
89%
100%
Accurate No. 5
66%
90%
95%
Accurate No. 7
84%
87%
83%
Alliant BULLSEYE
75%
89%
100%
Alliant POWER PISTOL
87%
88%
93%
Alliant Sport Pistol
70%
89%
100%
Alliant UNIQUE
86%
88%
100%
Hodgdon HS-6
72%
90%
97%
Hodgdon Longshot
67%
87%
98%
Hodgdon Universal
79%
89%
100%
Hodgdon CFE Pistol
82%
89%
100%
Lovex D036
66%
90%
95%
Lovex D037.1
84%
87%
83%
Lovex S020
79%
89%
100%
Maxam CSB 2
86%
87%
100%
Ramshot Silhouette
71%
88%
100%
Ramshot True Blue
67%
89%
98%
ReloadSwiss RS 20
89%
87%
100%
ReloadSwiss RS 24
90%
88%
86%
Rottweil P 806
96%
76%
97%
SNPE Vectan A0
88%
89%
100%
SNPE Vectan BA7 1/2
95%
89%
98%
SNPE Vectan BA9 1/2
81%
89%
100%
SNPE Vectan SP 2
84%
87%
95%
Shooters World Auto Pistol
66%
90%
95%
Shooters World Major Pistol
84%
87%
83%
Somchem MP200
80%
89%
100%
Somchem MS200
84%
90%
100%
Somchem S221
76%
88%
89%
Vihtavuori 3N37
89%
90%
99%
Vihtavuori 3N38
97%
74%
84%
Vihtavuori N330
82%
90%
100%
Vihtavuori N340
84%
86%
100%
Vihtavuori N350
92%
88%
99%

Max Load - Barrel Length: 5.50''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AP 100
94%
69%
89%
ADI AP 70N
68%
81%
100%
Accurate No. 5
61%
76%
93%
Accurate No. 7
81%
76%
80%
Alliant BULLSEYE
69%
75%
100%
Alliant POWER PISTOL
75%
64%
87%
Alliant Sport Pistol
64%
75%
100%
Alliant UNIQUE
78%
72%
100%
Hodgdon HS-6
64%
70%
94%
Hodgdon Longshot
61%
71%
96%
Hodgdon Universal
76%
81%
100%
Hodgdon CFE Pistol
79%
83%
100%
Lovex D036
61%
75%
93%
Lovex D037.1
81%
76%
80%
Lovex S020
74%
78%
100%
Maxam CSB 2
83%
80%
100%
Ramshot Silhouette
65%
73%
99%
Ramshot True Blue
62%
74%
96%
ReloadSwiss RS 20
80%
69%
100%
ReloadSwiss RS 24
80%
65%
81%
Rottweil P 806
84%
52%
91%
SNPE Vectan A0
85%
83%
100%
SNPE Vectan BA7 1/2
87%
73%
95%
SNPE Vectan BA9 1/2
78%
83%
100%
SNPE Vectan SP 2
72%
59%
89%
Shooters World Auto Pistol
61%
75%
93%
Shooters World Major Pistol
81%
76%
80%
Somchem MP200
73%
74%
100%
Somchem MS200
79%
80%
100%
Somchem S221
67%
67%
85%
Vihtavuori 3N37
79%
67%
96%
Vihtavuori 3N38
92%
65%
81%
Vihtavuori N330
78%
79%
100%
Vihtavuori N340
79%
77%
100%
Vihtavuori N350
83%
69%
96%

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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