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Load data for .38 S&W (Colt N.P.) + .358 | 140gr | LEE Mold 358-140 SWC

Recommended Powder(s):

.38 S&W (Colt N.P.) + .358 | 140gr | LEE Mold 358-140 SWC

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.358 | 140gr | LEE Mold 358-140 SWC
Manufacturer SKU:
358-140_SWC
Bullet Weight:
140gr | 9.1g
Bullet Diameter:
0.358" | 9.09mm
Bullet Length:
0.634" | 16.1mm
Caliber:
.38 S&W (Colt N.P.) load data
Case Length (l3):
0.775" | 19.7mm
Cartridge Length (C.O.L.):
1.221" | 31.0mm
Seated Depth:
0.188" | 4.8mm
Shank Seated Depth:
0.188" | 4.8mm
Case Capacity:
12.0 Grains of Water | 0.78 cm³
Primer Size:
Small Pistol (SP)
Max. allowed Pressure:
17405 psi | 1200 bar
LID:
LID_B3274_C582
Last updated:
2026-01-23

Load data for 26 loads in caliber .38 S&W (Colt N.P.) with .358 | 140gr | LEE Mold 358-140 SWC bullet and 13 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
Alliant BULLSEYE
<<locked>>
63%
15432
89%
**6
93%
Alliant UNIQUE
<<locked>>
75%
14997
86%
**3
92%
Hodgdon Universal
<<locked>>
68%
15113
87%
**0
98%
Hodgdon CFE Pistol
<<locked>>
72%
15606
90%
**3
98%
Maxam CSB 2
<<locked>>
80%
15519
89%
**6
100%
ReloadSwiss RS 12
<<locked>>
69%
15650
90%
**3
100%
ReloadSwiss RS 20
<<locked>>
79%
15374
88%
**3
95%
Rottweil P 801
<<locked>>
61%
15026
86%
**0
100%
SNPE Vectan BA9 1/2
<<locked>>
70%
15476
89%
**0
97%
Somchem MP200
<<locked>>
69%
15432
89%
**3
90%
[Vihtavuori 3N37]*
<<locked>>
79%
15069
87%
**9
84%
Vihtavuori N330 👍
<<locked>>
73%
15127
87%
**9
99%
[Vihtavuori N350]*
<<locked>>
83%
15432
89%
**6
84%

Max Load - Barrel Length: 5.50''

Powder
Charge
FR
MaxP
%
V(0)
z
Alliant BULLSEYE
<<locked>>
61%
14562
84%
**0
92%
Alliant UNIQUE
<<locked>>
72%
13547
78%
**0
90%
Hodgdon Universal
<<locked>>
67%
14243
82%
**0
98%
Hodgdon CFE Pistol
<<locked>>
68%
14272
82%
**0
96%
Maxam CSB 2
<<locked>>
74%
13053
75%
**7
100%
ReloadSwiss RS 12
<<locked>>
64%
13097
75%
**3
100%
ReloadSwiss RS 20
<<locked>>
74%
13169
76%
**0
92%
[Rottweil P 801]²
<<locked>>
59%
14098
81%
**3
100%
SNPE Vectan BA9 1/2
<<locked>>
68%
14707
85%
**0
97%
[Somchem MP200]*
<<locked>>
66%
14069
81%
**3
89%
[Vihtavuori 3N37]*
<<locked>>
75%
13097
75%
**7
81%
Vihtavuori N330
<<locked>>
69%
13503
78%
**3
98%
[Vihtavuori N350]*
<<locked>>
78%
13387
77%
**0
81%

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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