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Load data for .38 Special + .355 | 125gr | Sierra FMJ RN SportsMaster

Recommended Powder(s): none

.38 Special + .355 | 125gr | Sierra FMJ RN SportsMaster

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.355 | 125gr | Sierra FMJ RN SportsMaster
Manufacturer SKU:
8120
Bullet Weight:
125gr | 8.1g
Bullet Diameter:
0.355" | 9.02mm
Bullet Length:
0.581" | 14.8mm
Caliber:
.38 Special load data
Case Length (l3):
1.145" | 29.1mm
Cartridge Length (C.O.L.):
1.527" | 38.8mm
Seated Depth:
0.199" | 5.1mm
Shank Seated Depth:
0.199" | 5.1mm
Case Capacity:
23.1 Grains of Water | 1.50 cm³
Primer Size:
Small Pistol (SP)
Max. allowed Pressure:
21756 psi | 1500 bar
LID:
LID_B5938_C585
Last updated:
2025-01-01

Load data for 18 loads in caliber .38 Special with .355 | 125gr | Sierra FMJ RN SportsMaster bullet and 9 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>>
72%
19348
89%
**91
89%
Hodgdon TrailBoss
<<locked>>
93%
14997
69%
**1
100%
ReloadSwiss RS 14
<<locked>>
94%
13924
64%
**8
100%
Rottweil P 806
<<locked>>
68%
19116
88%
**70
94%
SNPE Vectan BA7 1/2
<<locked>>
63%
18202
84%
**45
94%
[Vihtavuori 3N38]*
<<locked>>
73%
19566
90%
**20
82%
[Vihtavuori N105]*
<<locked>>
80%
18927
87%
**66
86%
Vihtavuori N32C Tin Star
<<locked>>
69%
18579
85%
**17
100%
Vihtavuori N350
<<locked>>
63%
19493
90%
**98
96%

Max Load - Barrel Length: 5.50''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AP 100]*
<<locked>>
62%
14199
65%
**50
83%
Hodgdon TrailBoss
<<locked>>
60%
7745
36%
**5
100%
ReloadSwiss RS 14
<<locked>>
62%
7527
35%
**8
99%
[Rottweil P 806]*
<<locked>>
61%
14446
66%
**32
88%
SNPE Vectan BA7 1/2
<<locked>>
60%
16810
77%
**06
92%
[Vihtavuori 3N38]*
<<locked>>
70%
18304
84%
**91
81%
[Vihtavuori N105]*
<<locked>>
73%
15331
70%
**52
81%
Vihtavuori N32C Tin Star
<<locked>>
61%
15302
70%
**1
100%
Vihtavuori N350
<<locked>>
61%
17898
82%
**58
95%

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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