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Load data for .38 Special + .357 | 158gr | LOS SWC

Recommended Powder(s): none

.38 Special + .357 | 158gr | LOS SWC

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.357 | 158gr | LOS SWC
Bullet Weight:
158gr | 10.2g
Bullet Diameter:
0.357" | 9.07mm
Bullet Length:
0.681" | 17.3mm
Caliber:
.38 Special load data
Case Length (l3):
1.145" | 29.1mm
Cartridge Length (C.O.L.):
1.527" | 38.8mm
Seated Depth:
0.299" | 7.6mm
Shank Seated Depth:
0.299" | 7.6mm
Case Capacity:
23.1 Grains of Water | 1.50 cm³
Primer Size:
Small Pistol (SP)
Max. allowed Pressure:
21756 psi | 1500 bar
LID:
LID_B3514_C585
Last updated:
2025-01-01

Load data for 20 loads in caliber .38 Special with .357 | 158gr | LOS SWC bullet and 10 powders such as none. 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
<<locked>>
73%
21625
99%
**73
94%
Hodgdon TrailBoss
<<locked>>
93%
16027
74%
**0
100%
ReloadSwiss RS 14
<<locked>>
91%
14489
67%
**7
100%
[ReloadSwiss RS 24]*
<<locked>>
64%
21611
99%
**06
87%
Rottweil P 806
<<locked>>
68%
20885
96%
**29
97%
SNPE Vectan BA7 1/2
<<locked>>
65%
20537
94%
**27
97%
[Vihtavuori 3N38]*
<<locked>>
71%
20595
95%
**76
87%
Vihtavuori N105
<<locked>>
80%
20740
95%
**35
92%
Vihtavuori N32C Tin Star
<<locked>>
69%
20233
93%
**3
100%
Vihtavuori N350
<<locked>>
64%
21147
97%
**60
99%

Max Load - Barrel Length: 5.50''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AP 100]*
<<locked>>
61%
15214
70%
**2
88%
Hodgdon TrailBoss
<<locked>>
67%
9964
46%
**9
100%
ReloadSwiss RS 14
<<locked>>
66%
9195
42%
**6
100%
[ReloadSwiss RS 24]*
<<locked>>
61%
19914
92%
**66
85%
Rottweil P 806
<<locked>>
61%
16781
77%
**40
95%
SNPE Vectan BA7 1/2
<<locked>>
62%
18768
86%
**4
96%
[Vihtavuori 3N38]*
<<locked>>
61%
14881
68%
**2
80%
[Vihtavuori N105]*
<<locked>>
63%
12459
57%
**5
80%
Vihtavuori N32C Tin Star
<<locked>>
60%
16346
75%
**7
100%
Vihtavuori N350
<<locked>>
61%
19160
88%
**24
98%

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

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