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Load data for .38 Special + .358 | 148gr | Speer LBBWC

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Recommended Powder(s): none

.38 Special + .358 | 148gr | Speer LBBWC

Load Specifications

Speer Load Data | xxlreloading.com

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

Load data for 40 loads in caliber .38 Special with a .358 | 148gr | Speer LBBWC 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
ADI AP 100
74%
99%
94%
Hodgdon TrailBoss
94%
69%
100%
ReloadSwiss RS 14
94%
64%
100%
ReloadSwiss RS 24
63%
95%
86%
Rottweil P 806
70%
100%
98%
SNPE Vectan BA7 1/2
66%
95%
97%
Vihtavuori 3N38
73%
96%
87%
Vihtavuori N105
81%
96%
92%
Vihtavuori N32C Tin Star
72%
96%
100%
Vihtavuori N350
64%
95%
99%

Max Load - Barrel Length: 

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AP 100
60%
65%
86%
Hodgdon TrailBoss
61%
33%
100%
ReloadSwiss RS 14
62%
31%
99%
ReloadSwiss RS 24
61%
89%
85%
Rottweil P 806
61%
69%
93%
SNPE Vectan BA7 1/2
61%
81%
96%
Vihtavuori 3N38
64%
71%
81%
Vihtavuori N105
66%
58%
80%
Vihtavuori N32C Tin Star
61%
71%
100%
Vihtavuori N350
61%
87%
98%

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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