Load data for .38 Super Auto + .357 | 125gr | Speer JSP

Recommended Powder(s): Alliant UNIQUE, SNPE Vectan A0, Somchem MP200, Vihtavuori N340

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.357 \| 125gr \| Speer JSP
Manufacturer SKU:	4011
Bullet Weight:	125gr \| 8.1g
Bullet Diameter:	0.357" \| 9.07mm
Bullet Length:	0.515" \| 13.1mm
Caliber:	.38 Super Auto load data
Case Length (l3):	0.890" \| 22.6mm
Cartridge Length (C.O.L.):	1.261" \| 32.0mm
Seated Depth:	0.144" \| 3.7mm
Shank Seated Depth:	0.144" \| 3.7mm
Case Capacity:	17.6 Grains of Water \| 1.14 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	33359 psi \| 2300 bar
LID:	LID_B6217_C583
Last updated:	2025-02-02

Load data for 106 loads in caliber .38 Super Auto with .357 | 125gr | Speer JSP bullet and 53 powders such as Alliant UNIQUE, SNPE Vectan A0, Somchem MP200, Vihtavuori N340. 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".
A load must fulfill certain criteria to be listed in the default view below - see "powder criteria to fulfill to be listed".

Our load data might deviate from other sources - see the "most common reasons for deviations".

All loads are based on the bullet and case dimensions shown under "Load Specifications" - see "reloading suggestions" if you deviate.

You can set your specifications in the "Personalized Load Calculator".

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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.
Case Length (Inch)
Case Length (mm)
CaseCapacity (GoW)
Min z (%)
Min FR (%)
Max FR*
Barrel Length (Inch)
Barrel Length (cm)
Safety Buffer (%)
.

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>>	96%	28660	86%	**32	93%
ADI AP 70N	<<locked>>	66%	29602	89%	**70	100%
ADI APS 350	<<locked>>	68%	29051	87%	**73	100%
ADI APS 450	<<locked>>	71%	29979	90%	**22	100%
ADI AS 30	<<locked>>	72%	28732	86%	**52	100%
ADI AS 50N	<<locked>>	70%	29211	88%	**04	100%
Accurate No. 2	<<locked>>	72%	28834	86%	**63	100%
[Accurate No. 7]*	<<locked>>	78%	29646	89%	**98	84%
Accurate Solo 1000	<<locked>>	71%	28761	86%	**78	100%
Accurate Solo 1250	<<locked>>	78%	28921	87%	**47	100%
Alliant BULLSEYE	<<locked>>	69%	29182	87%	**02	100%
Alliant POWER PISTOL	<<locked>>	80%	29704	89%	**88	93%
Alliant UNIQUE 👍	<<locked>>	80%	29820	89%	**29	100%
Baschieri & Pellagri 100	<<locked>>	74%	29399	88%	**94	100%
Hodgdon Clays	<<locked>>	68%	29443	88%	**89	100%
Hodgdon HS-6	<<locked>>	65%	29312	88%	**29	97%
Hodgdon Longshot	<<locked>>	63%	29965	90%	**42	98%
Hodgdon Universal	<<locked>>	73%	29602	89%	**70	100%
Hodgdon CFE Pistol	<<locked>>	74%	29080	87%	**57	100%
Hodgdon TrailBoss	<<locked>>	96%	13184	40%	**6	100%
[Lovex D037.1]*	<<locked>>	78%	29646	89%	**98	84%
Lovex S011	<<locked>>	64%	29617	89%	**20	100%
Lovex S020	<<locked>>	72%	29457	88%	**83	100%
Maxam CSB 1	<<locked>>	81%	28616	86%	**34	100%
Maxam CSB 2	<<locked>>	79%	29008	87%	**53	100%
Maxam CSB 3	<<locked>>	77%	29849	89%	**30	100%
Maxam CSB 4	<<locked>>	72%	28689	86%	**88	100%
Maxam CSB 5	<<locked>>	68%	29370	88%	**52	100%
Ramshot Silhouette	<<locked>>	66%	29907	90%	**19	100%
ReloadSwiss RS 12	<<locked>>	68%	29153	87%	**37	100%
ReloadSwiss RS 14	<<locked>>	94%	11574	35%	**6	100%
ReloadSwiss RS 20	<<locked>>	82%	29689	89%	**29	100%
[ReloadSwiss RS 24]*	<<locked>>	83%	29124	87%	**71	86%
Rottweil P 801	<<locked>>	63%	29414	88%	**07	100%
Rottweil P 806	<<locked>>	91%	29515	88%	**47	98%
SNPE Vectan A0 👍	<<locked>>	82%	30023	90%	**80	100%
SNPE Vectan BA 9	<<locked>>	74%	29965	90%	**57	100%
SNPE Vectan BA10	<<locked>>	66%	29979	90%	**22	100%
SNPE Vectan BA7 1/2	<<locked>>	88%	29921	90%	**22	98%
SNPE Vectan BA9 1/2	<<locked>>	74%	28921	87%	**53	100%
[Shooters World Major Pistol]*	<<locked>>	78%	29646	89%	**98	84%
Somchem MP200 👍	<<locked>>	73%	29588	89%	**09	100%
Somchem MS200	<<locked>>	77%	29646	89%	**83	100%
Somchem S221	<<locked>>	70%	29892	90%	**68	90%
Vihtavuori 3N37	<<locked>>	81%	28848	86%	**32	98%
[Vihtavuori 3N38]*	<<locked>>	96%	29907	90%	**78	88%
[Vihtavuori N105]*	<<locked>>	97%	23293	70%	**09	87%
Vihtavuori N320	<<locked>>	72%	29269	88%	**11	100%
Vihtavuori N32C Tin Star	<<locked>>	96%	28703	86%	**32	100%
Vihtavuori N330	<<locked>>	75%	30008	90%	**83	100%
Vihtavuori N340 👍	<<locked>>	78%	29109	87%	**83	100%
Vihtavuori N350	<<locked>>	86%	29979	90%	**48	99%
Winchester 231	<<locked>>	62%	29138	87%	**37	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	70%	14663	44%	**17	81%
ADI AP 70N	<<locked>>	61%	25498	76%	**07	100%
ADI APS 350	<<locked>>	60%	24134	72%	**07	100%
ADI APS 450	<<locked>>	62%	24033	72%	**37	100%
ADI AS 30	<<locked>>	60%	21495	64%	**40	100%
ADI AS 50N	<<locked>>	62%	23583	71%	**15	100%
Accurate No. 2	<<locked>>	62%	20450	61%	**19	97%
[Accurate No. 7]*	<<locked>>	73%	25135	75%	**12	80%
Accurate Solo 1000	<<locked>>	61%	21669	65%	**73	100%
Accurate Solo 1250	<<locked>>	60%	17448	52%	**47	100%
Alliant BULLSEYE	<<locked>>	62%	23743	71%	**14	100%
[Alliant POWER PISTOL]*	<<locked>>	60%	16476	49%	**99	82%
Alliant UNIQUE	<<locked>>	61%	17956	54%	**99	98%
Baschieri & Pellagri 100	<<locked>>	60%	19870	60%	**50	100%
Hodgdon Clays	<<locked>>	60%	24410	73%	**20	100%
Hodgdon HS-6	<<locked>>	61%	24743	74%	**53	95%
Hodgdon Longshot	<<locked>>	61%	27470	82%	**99	98%
Hodgdon Universal	<<locked>>	62%	21785	65%	**42	100%
Hodgdon CFE Pistol	<<locked>>	61%	19624	59%	**99	100%
Hodgdon TrailBoss	<<locked>>	61%	6643	20%	**9	99%
[Lovex D037.1]*	<<locked>>	73%	25135	75%	**12	80%
Lovex S011	<<locked>>	60%	26411	79%	**78	100%
Lovex S020	<<locked>>	60%	20363	61%	**32	100%
Maxam CSB 1	<<locked>>	61%	16795	50%	**27	100%
Maxam CSB 2	<<locked>>	61%	17608	53%	**66	100%
Maxam CSB 3	<<locked>>	60%	19232	58%	**60	100%
Maxam CSB 4	<<locked>>	62%	21509	64%	**83	100%
Maxam CSB 5	<<locked>>	62%	24801	74%	**86	100%
Ramshot Silhouette	<<locked>>	61%	24860	75%	**43	99%
ReloadSwiss RS 12	<<locked>>	61%	23540	71%	**55	100%
ReloadSwiss RS 14	<<locked>>	63%	6469	19%	**9	96%
ReloadSwiss RS 20	<<locked>>	61%	15809	47%	**66	99%
[ReloadSwiss RS 24]*	<<locked>>	74%	21814	65%	**30	81%
Rottweil P 801	<<locked>>	62%	27775	83%	**84	100%
[Rottweil P 806]*	<<locked>>	62%	10936	33%	**4	80%
SNPE Vectan A0	<<locked>>	62%	17376	52%	**43	97%
SNPE Vectan BA 9	<<locked>>	61%	20276	61%	**96	100%
SNPE Vectan BA10	<<locked>>	60%	25498	76%	**60	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	60%	13938	42%	**1	86%
SNPE Vectan BA9 1/2	<<locked>>	61%	20146	60%	**06	100%
[Shooters World Major Pistol]*	<<locked>>	73%	25135	75%	**12	80%
Somchem MP200	<<locked>>	60%	20218	61%	**35	98%
Somchem MS200	<<locked>>	61%	18753	56%	**93	99%
[Somchem S221]*	<<locked>>	61%	21973	66%	**07	84%
Vihtavuori 3N37	<<locked>>	61%	15592	47%	**60	90%
[Vihtavuori 3N38]*	<<locked>>	82%	20450	61%	**91	80%
[Vihtavuori N105]*	<<locked>>	87%	17811	53%	**75	81%
Vihtavuori N320	<<locked>>	61%	21727	65%	**96	100%
Vihtavuori N32C Tin Star	<<locked>>	60%	12386	37%	**0	100%
Vihtavuori N330	<<locked>>	61%	19116	57%	**12	100%
Vihtavuori N340	<<locked>>	62%	18086	54%	**83	98%
[Vihtavuori N350]*	<<locked>>	61%	14417	43%	**24	89%
Winchester 231	<<locked>>	60%	27746	83%	**17	100%

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