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Load data for .38 S&W (Colt N.P.) + .358 | 148gr | Speer LBBWC

Recommended Powder(s): none

.38 S&W (Colt N.P.) + .358 | 148gr | Speer LBBWC

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.358 | 148gr | Speer LBBWC
Manufacturer SKU:
4605
Bullet Weight:
148gr | 9.6g
Bullet Diameter:
0.358" | 9.09mm
Bullet Length:
0.580" | 14.7mm
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:
0.134" | 3.4mm
Shank Seated Depth:
0.134" | 3.4mm
Case Capacity:
12.0 Grains of Water | 0.78 cm³
Primer Size:
Small Pistol (SP)
Max. allowed Pressure:
17405 psi | 1200 bar
LID:
LID_B6231_C582
Last updated:
2025-01-01

Load data for 36 loads in caliber .38 S&W (Colt N.P.) with .358 | 148gr | Speer LBBWC bullet and 18 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
Accurate Solo 1250
<<locked>>
65%
14228
82%
**0
99%
Alliant UNIQUE
<<locked>>
69%
15432
89%
**3
95%
Lovex S020
<<locked>>
64%
15650
90%
**9
97%
Maxam CSB 1
<<locked>>
69%
14953
86%
**0
99%
Maxam CSB 2
<<locked>>
70%
14837
85%
**9
100%
Maxam CSB 3
<<locked>>
64%
15490
89%
**0
100%
ReloadSwiss RS 20
<<locked>>
73%
15374
88%
**2
97%
[Rottweil P 806]*
<<locked>>
89%
15185
87%
**8
86%
SNPE Vectan A0
<<locked>>
67%
14489
83%
**4
93%
[SNPE Vectan BA7 1/2]*
<<locked>>
74%
14533
83%
**0
84%
SNPE Vectan BA9 1/2
<<locked>>
63%
15258
88%
**0
99%
Somchem MP200
<<locked>>
63%
15577
89%
**6
93%
Somchem MS200
<<locked>>
66%
15403
88%
**0
96%
[Vihtavuori 3N37]*
<<locked>>
73%
15345
88%
**9
87%
Vihtavuori N32C Tin Star
<<locked>>
86%
15635
90%
**7
100%
Vihtavuori N330
<<locked>>
66%
14968
86%
**9
100%
Vihtavuori N340
<<locked>>
67%
15084
87%
**3
95%
[Vihtavuori N350]*
<<locked>>
75%
14866
85%
**3
87%

Max Load - Barrel Length: 5.50''

Powder
Charge
FR
MaxP
%
V(0)
z
Accurate Solo 1250
<<locked>>
62%
12850
74%
**7
98%
Alliant UNIQUE
<<locked>>
60%
11719
67%
**7
91%
Lovex S020
<<locked>>
62%
14127
81%
**7
96%
Maxam CSB 1
<<locked>>
62%
12241
70%
**8
97%
Maxam CSB 2
<<locked>>
61%
10762
62%
**8
100%
Maxam CSB 3
<<locked>>
61%
13982
80%
**7
100%
ReloadSwiss RS 20
<<locked>>
61%
10602
61%
**8
91%
[Rottweil P 806]*
<<locked>>
84%
12285
71%
**9
81%
SNPE Vectan A0
<<locked>>
61%
12140
70%
**5
90%
[SNPE Vectan BA7 1/2]*
<<locked>>
69%
12444
71%
**4
81%
SNPE Vectan BA9 1/2
<<locked>>
60%
13880
80%
**0
98%
Somchem MP200
<<locked>>
61%
14344
82%
**0
92%
Somchem MS200
<<locked>>
60%
12821
74%
**1
93%
[Vihtavuori 3N37]*
<<locked>>
63%
11023
63%
**1
81%
Vihtavuori N32C Tin Star
<<locked>>
66%
9210
53%
**9
100%
Vihtavuori N330
<<locked>>
60%
12212
70%
**7
99%
Vihtavuori N340
<<locked>>
62%
12386
71%
**1
92%
[Vihtavuori N350]*
<<locked>>
64%
10617
61%
**1
80%

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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