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

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Recommended Powder(s): Vihtavuori N330

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

Load Specifications

Speer Load Data | xxlreloading.com

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 42 loads in caliber .38 S&W (Colt N.P.) with a .358 | 148gr | Speer LHBWC bullet based on the specified parameters like bullet length, cartridge length, and case capacity as shown 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".

    • a load must fulfill certain criteria to be listed below - see here.

    • our load data might deviate from other sources - see most common reasons here

    • all loads are based on the bullet and case dimensions shown further below - see here what to do if you deviate.

    • you can set your own specifications in the "Personalized Load Calculator"

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    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.

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
69%
88%
99%
Alliant UNIQUE
71%
88%
94%
Hodgdon Universal
64%
89%
99%
Lovex S020
65%
88%
96%
Maxam CSB 1
70%
84%
98%
Maxam CSB 2
71%
82%
100%
Maxam CSB 3
65%
86%
100%
ReloadSwiss RS 20
74%
87%
96%
Rottweil P 806
91%
85%
84%
SNPE Vectan A0
71%
90%
94%
SNPE Vectan BA 9
63%
88%
97%
SNPE Vectan BA7 1/2
76%
84%
84%
SNPE Vectan BA9 1/2
64%
85%
98%
Somchem MP200
65%
89%
93%
Somchem MS200
66%
87%
95%
Vihtavuori 3N37
75%
88%
87%
Vihtavuori N320
63%
88%
100%
Vihtavuori N32C Tin Star
87%
87%
100%
Vihtavuori N330
67%
83%
99%
Vihtavuori N340
69%
85%
94%
Vihtavuori N350
77%
85%
86%

Max Load - Barrel Length: 

Powder
Charge
FR
MaxP
%
V(0)
z
Accurate Solo 1250
62%
71%
97%
Alliant UNIQUE
61%
65%
89%
Hodgdon Universal
61%
80%
99%
Lovex S020
62%
80%
95%
Maxam CSB 1
59%
61%
95%
Maxam CSB 2
61%
59%
99%
Maxam CSB 3
61%
77%
100%
ReloadSwiss RS 20
62%
59%
90%
Rottweil P 806
87%
73%
81%
SNPE Vectan A0
61%
67%
89%
SNPE Vectan BA 9
60%
80%
96%
SNPE Vectan BA7 1/2
70%
71%
80%
SNPE Vectan BA9 1/2
61%
77%
97%
Somchem MP200
62%
81%
91%
Somchem MS200
60%
72%
92%
Vihtavuori 3N37
67%
69%
82%
Vihtavuori N320
60%
78%
100%
Vihtavuori N32C Tin Star
66%
50%
100%
Vihtavuori N330
60%
67%
98%
Vihtavuori N340
62%
70%
91%
Vihtavuori N350
68%
66%
81%

Start Load - Barrel Length: 

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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