Load data for .38 Super Auto + .357 | 158gr | LOS SWC

Recommended Powder(s): Accurate No. 2, Alliant UNIQUE, Somchem MP200, Vihtavuori N340

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.357 \| 158gr \| LOS SWC
Bullet Weight:	158gr \| 10.2g
Bullet Diameter:	0.357" \| 9.07mm
Bullet Length:	0.681" \| 17.3mm
Caliber:	.38 Super Auto load data
Case Length (l3):	0.890" \| 22.6mm
Cartridge Length (C.O.L.):	1.261" \| 32.0mm
Seated Depth:	0.310" \| 7.9mm
Shank Seated Depth:	0.310" \| 7.9mm
Case Capacity:	17.6 Grains of Water \| 1.14 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	33359 psi \| 2300 bar
LID:	LID_B3514_C583
Last updated:	2025-02-02

Load data for 108 loads in caliber .38 Super Auto with .357 | 158gr | LOS SWC bullet and 54 powders such as Accurate No. 2, Alliant UNIQUE, 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>>	97%	27108	81%	**63	92%
ADI AP 70N	<<locked>>	67%	29211	88%	**17	100%
ADI APS 350	<<locked>>	68%	28079	84%	**0	100%
ADI APS 450	<<locked>>	72%	29283	88%	**2	100%
ADI AS 30	<<locked>>	73%	27934	84%	**5	100%
ADI AS 50N	<<locked>>	71%	28094	84%	**5	100%
Accurate No. 2 👍	<<locked>>	75%	29109	87%	**24	100%
[Accurate No. 7]*	<<locked>>	81%	29588	89%	**38	84%
Accurate Solo 1000	<<locked>>	74%	29138	87%	**1	100%
Accurate Solo 1250	<<locked>>	80%	28427	85%	**7	100%
Alliant BULLSEYE	<<locked>>	72%	29936	90%	**70	100%
Alliant POWER PISTOL	<<locked>>	82%	28529	86%	**19	93%
Alliant UNIQUE 👍	<<locked>>	82%	29356	88%	**73	100%
Baschieri & Pellagri 100	<<locked>>	77%	29791	89%	**8	100%
Hodgdon Clays	<<locked>>	68%	28427	85%	**3	100%
Hodgdon HS-6	<<locked>>	68%	28964	87%	**76	97%
Hodgdon Longshot	<<locked>>	65%	29138	87%	**79	98%
Hodgdon Universal	<<locked>>	75%	29211	88%	**17	100%
Hodgdon CFE Pistol	<<locked>>	77%	28863	87%	**14	100%
Hodgdon TrailBoss	<<locked>>	97%	12763	38%	**9	100%
[Lovex D037.1]*	<<locked>>	81%	29588	89%	**38	84%
Lovex S011	<<locked>>	66%	29501	88%	**1	100%
Lovex S020	<<locked>>	74%	28645	86%	**27	100%
Maxam CSB 1	<<locked>>	84%	28819	86%	**7	100%
Maxam CSB 2	<<locked>>	82%	28892	87%	**14	100%
Maxam CSB 3	<<locked>>	77%	28239	85%	**1	100%
Maxam CSB 4	<<locked>>	76%	29559	89%	**1	100%
Maxam CSB 5	<<locked>>	69%	28616	86%	**5	100%
Ramshot Silhouette	<<locked>>	67%	28558	86%	**53	100%
Ramshot True Blue	<<locked>>	64%	29791	89%	**79	98%
ReloadSwiss RS 12	<<locked>>	69%	27789	83%	**8	100%
ReloadSwiss RS 14	<<locked>>	95%	11298	34%	**9	100%
ReloadSwiss RS 20	<<locked>>	84%	28645	86%	**70	100%
[ReloadSwiss RS 24]*	<<locked>>	86%	28834	86%	**12	86%
Rottweil P 801	<<locked>>	66%	29718	89%	**4	100%
Rottweil P 806	<<locked>>	96%	29921	90%	**91	98%
SNPE Vectan A0	<<locked>>	83%	28181	84%	**14	100%
SNPE Vectan BA 9	<<locked>>	77%	29733	89%	**10	100%
SNPE Vectan BA10	<<locked>>	67%	29269	88%	**2	100%
SNPE Vectan BA7 1/2	<<locked>>	91%	29631	89%	**70	98%
SNPE Vectan BA9 1/2	<<locked>>	77%	29022	87%	**10	100%
[Shooters World Major Pistol]*	<<locked>>	81%	29588	89%	**38	84%
Somchem MP200 👍	<<locked>>	75%	28718	86%	**50	100%
Somchem MS200	<<locked>>	79%	28732	86%	**30	100%
Somchem S221	<<locked>>	72%	29602	89%	**06	90%
Vihtavuori 3N37	<<locked>>	84%	29327	88%	**89	99%
[Vihtavuori 3N38]*	<<locked>>	97%	27688	83%	**93	87%
[Vihtavuori N105]*	<<locked>>	96%	20784	62%	**20	85%
Vihtavuori N320	<<locked>>	73%	28340	85%	**8	100%
Vihtavuori N32C Tin Star	<<locked>>	96%	26876	81%	**2	100%
Vihtavuori N330	<<locked>>	76%	28384	85%	**20	100%
Vihtavuori N340 👍	<<locked>>	80%	28906	87%	**37	100%
Vihtavuori N350	<<locked>>	87%	28587	86%	**83	99%
Winchester 231	<<locked>>	63%	28660	86%	**1	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	70%	13808	41%	**0	80%
ADI AP 70N	<<locked>>	60%	23670	71%	**1	100%
ADI APS 350	<<locked>>	61%	23685	71%	**1	100%
ADI APS 450	<<locked>>	62%	23090	69%	**3	100%
ADI AS 30	<<locked>>	60%	20305	61%	**0	100%
ADI AS 50N	<<locked>>	62%	22307	67%	**3	100%
Accurate No. 2	<<locked>>	62%	19537	59%	**6	97%
[Accurate No. 7]*	<<locked>>	76%	24845	74%	**70	81%
Accurate Solo 1000	<<locked>>	62%	21176	63%	**6	100%
Accurate Solo 1250	<<locked>>	60%	16491	49%	**0	100%
Alliant BULLSEYE	<<locked>>	62%	22466	67%	**5	100%
[Alliant POWER PISTOL]*	<<locked>>	61%	15302	46%	**9	81%
Alliant UNIQUE	<<locked>>	61%	16969	51%	**3	98%
Baschieri & Pellagri 100	<<locked>>	60%	18710	56%	**0	100%
Hodgdon Clays	<<locked>>	61%	24004	72%	**4	100%
Hodgdon HS-6	<<locked>>	61%	22713	68%	**8	94%
Hodgdon Longshot	<<locked>>	61%	26063	78%	**33	97%
Hodgdon Universal	<<locked>>	61%	20479	61%	**2	100%
Hodgdon CFE Pistol	<<locked>>	62%	19014	57%	**9	100%
Hodgdon TrailBoss	<<locked>>	87%	10689	32%	**3	100%
[Lovex D037.1]*	<<locked>>	76%	24845	74%	**70	81%
Lovex S011	<<locked>>	61%	25309	76%	**2	100%
Lovex S020	<<locked>>	62%	19711	59%	**6	100%
Maxam CSB 1	<<locked>>	61%	15911	48%	**4	100%
Maxam CSB 2	<<locked>>	62%	16853	51%	**3	100%
Maxam CSB 3	<<locked>>	60%	17666	53%	**0	100%
Maxam CSB 4	<<locked>>	61%	19986	60%	**0	100%
Maxam CSB 5	<<locked>>	60%	22278	67%	**6	100%
Ramshot Silhouette	<<locked>>	61%	23554	71%	**8	99%
Ramshot True Blue	<<locked>>	61%	26498	79%	**37	97%
ReloadSwiss RS 12	<<locked>>	61%	22162	66%	**2	100%
ReloadSwiss RS 14	<<locked>>	90%	10399	31%	**6	100%
ReloadSwiss RS 20	<<locked>>	61%	14924	45%	**0	99%
[ReloadSwiss RS 24]*	<<locked>>	76%	21785	65%	**04	81%
Rottweil P 801	<<locked>>	61%	25730	77%	**5	100%
[Rottweil P 806]*	<<locked>>	62%	9950	30%	**4	80%
SNPE Vectan A0	<<locked>>	61%	16317	49%	**7	97%
SNPE Vectan BA 9	<<locked>>	62%	19841	59%	**9	100%
SNPE Vectan BA10	<<locked>>	61%	25135	75%	**6	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	61%	13358	40%	**4	86%
SNPE Vectan BA9 1/2	<<locked>>	61%	18971	57%	**3	100%
[Shooters World Major Pistol]*	<<locked>>	76%	24845	74%	**70	81%
Somchem MP200	<<locked>>	61%	19145	57%	**6	98%
Somchem MS200	<<locked>>	60%	17709	53%	**3	99%
[Somchem S221]*	<<locked>>	61%	20276	61%	**5	84%
[Vihtavuori 3N37]*	<<locked>>	60%	14272	43%	**3	89%
[Vihtavuori 3N38]*	<<locked>>	84%	19522	59%	**1	80%
[Vihtavuori N105]*	<<locked>>	90%	17434	52%	**5	81%
Vihtavuori N320	<<locked>>	61%	20436	61%	**9	100%
Vihtavuori N32C Tin Star	<<locked>>	62%	12502	37%	**6	100%
Vihtavuori N330	<<locked>>	60%	17738	53%	**6	100%
Vihtavuori N340	<<locked>>	62%	17332	52%	**6	98%
[Vihtavuori N350]*	<<locked>>	61%	13576	41%	**4	89%
Winchester 231	<<locked>>	61%	26774	80%	**8	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.

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