Load data for .38 Super Auto + .357 | 158gr | H&N KS KB

Recommended Powder(s): Alliant UNIQUE, Hodgdon Longshot, Rottweil P 806, SNPE Vectan BA7 1/2, Vihtavuori N340

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.357 \| 158gr \| H&N KS KB
Bullet Weight:	158gr \| 10.2g
Bullet Diameter:	0.357" \| 9.07mm
Bullet Length:	0.642" \| 16.3mm
Caliber:	.38 Super Auto load data
Case Length (l3):	0.890" \| 22.6mm
Cartridge Length (C.O.L.):	1.261" \| 32.0mm
Seated Depth:	0.271" \| 6.9mm
Shank Seated Depth:	0.252" \| 6.4mm
Case Capacity:	17.6 Grains of Water \| 1.14 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	33359 psi \| 2300 bar
LID:	LID_B7479_C583
Last updated:	2025-02-02

Load data for 106 loads in caliber .38 Super Auto with .357 | 158gr | H&N KS KB bullet and 53 powders such as Alliant UNIQUE, Hodgdon Longshot, Rottweil P 806, SNPE Vectan BA7 1/2, 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>>	95%	26455	79%	**93	93%
ADI AP 70N	<<locked>>	69%	29921	90%	**70	100%
ADI APS 350	<<locked>>	70%	29747	89%	**9	100%
ADI APS 450	<<locked>>	70%	28326	85%	**5	100%
ADI AS 30	<<locked>>	74%	28282	85%	**8	100%
ADI AS 50N	<<locked>>	74%	29805	89%	**14	100%
Accurate No. 2	<<locked>>	74%	28689	86%	**56	100%
[Accurate No. 7]*	<<locked>>	81%	29878	90%	**94	86%
Accurate Solo 1000	<<locked>>	74%	29617	89%	**1	100%
Accurate Solo 1250	<<locked>>	82%	29820	89%	**53	100%
Alliant BULLSEYE	<<locked>>	72%	29892	90%	**06	100%
Alliant POWER PISTOL	<<locked>>	83%	29646	89%	**78	94%
Alliant UNIQUE 👍	<<locked>>	83%	29776	89%	**19	100%
Baschieri & Pellagri 100	<<locked>>	77%	29588	89%	**01	100%
Hodgdon Clays	<<locked>>	67%	27833	83%	**9	100%
Hodgdon HS-6	<<locked>>	68%	29820	89%	**32	98%
Hodgdon Longshot 👍	<<locked>>	64%	28645	86%	**15	99%
Hodgdon Universal	<<locked>>	76%	29921	90%	**70	100%
Hodgdon CFE Pistol	<<locked>>	77%	29211	88%	**60	100%
Hodgdon TrailBoss	<<locked>>	95%	11240	34%	**9	100%
[Lovex D037.1]*	<<locked>>	81%	29878	90%	**94	86%
Lovex S011	<<locked>>	65%	29617	89%	**20	100%
Lovex S020	<<locked>>	75%	29443	88%	**79	100%
Maxam CSB 1	<<locked>>	85%	29849	89%	**47	100%
Maxam CSB 2	<<locked>>	83%	29646	89%	**60	100%
Maxam CSB 3	<<locked>>	77%	28123	84%	**07	100%
Maxam CSB 4	<<locked>>	76%	29689	89%	**07	100%
Maxam CSB 5	<<locked>>	70%	29269	88%	**8	100%
Ramshot Silhouette	<<locked>>	67%	28616	86%	**96	100%
ReloadSwiss RS 12	<<locked>>	71%	28805	86%	**40	100%
ReloadSwiss RS 14	<<locked>>	94%	9384	28%	**9	100%
ReloadSwiss RS 20	<<locked>>	84%	29414	88%	**12	100%
[ReloadSwiss RS 24]*	<<locked>>	85%	28921	87%	**61	88%
Rottweil P 801	<<locked>>	65%	28689	86%	**04	100%
Rottweil P 806 👍	<<locked>>	95%	29617	89%	**34	99%
SNPE Vectan A0	<<locked>>	83%	29167	87%	**60	100%
SNPE Vectan BA 9	<<locked>>	75%	28935	87%	**37	100%
SNPE Vectan BA10	<<locked>>	66%	28311	85%	**5	100%
SNPE Vectan BA7 1/2 👍	<<locked>>	90%	29022	87%	**06	99%
SNPE Vectan BA9 1/2	<<locked>>	76%	28253	85%	**40	100%
[Shooters World Major Pistol]*	<<locked>>	81%	29878	90%	**94	86%
Somchem MP200	<<locked>>	75%	28819	86%	**93	100%
Somchem MS200	<<locked>>	80%	29472	88%	**79	100%
Somchem S221	<<locked>>	72%	28993	87%	**45	91%
Vihtavuori 3N37	<<locked>>	83%	28645	86%	**29	99%
[Vihtavuori 3N38]*	<<locked>>	96%	27470	82%	**35	88%
[Vihtavuori N105]*	<<locked>>	96%	20494	61%	**66	87%
Vihtavuori N320	<<locked>>	73%	28471	85%	**04	100%
Vihtavuori N32C Tin Star	<<locked>>	95%	25875	78%	**9	100%
Vihtavuori N330	<<locked>>	77%	29515	88%	**70	100%
Vihtavuori N340 👍	<<locked>>	81%	29370	88%	**86	100%
Vihtavuori N350	<<locked>>	86%	28340	85%	**19	99%
Winchester 231	<<locked>>	65%	29965	90%	**43	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	69%	12908	39%	**0	81%
ADI AP 70N	<<locked>>	60%	22872	69%	**1	100%
ADI APS 350	<<locked>>	61%	23540	71%	**0	100%
ADI APS 450	<<locked>>	62%	22611	68%	**6	100%
ADI AS 30	<<locked>>	62%	20813	62%	**6	100%
ADI AS 50N	<<locked>>	60%	20827	62%	**2	100%
Accurate No. 2	<<locked>>	60%	18130	54%	**2	97%
[Accurate No. 7]*	<<locked>>	72%	21799	65%	**66	80%
Accurate Solo 1000	<<locked>>	61%	20436	61%	**9	100%
Accurate Solo 1250	<<locked>>	61%	16592	50%	**9	100%
Alliant BULLSEYE	<<locked>>	60%	21219	64%	**1	100%
[Alliant POWER PISTOL]*	<<locked>>	62%	15389	46%	**9	83%
Alliant UNIQUE	<<locked>>	62%	16273	49%	**6	98%
Baschieri & Pellagri 100	<<locked>>	61%	18985	57%	**3	100%
Hodgdon Clays	<<locked>>	61%	23728	71%	**0	100%
Hodgdon HS-6	<<locked>>	60%	22524	68%	**24	95%
Hodgdon Longshot	<<locked>>	61%	25628	77%	**76	98%
Hodgdon Universal	<<locked>>	62%	19827	59%	**5	100%
Hodgdon CFE Pistol	<<locked>>	62%	18449	55%	**2	100%
Hodgdon TrailBoss	<<locked>>	86%	9340	28%	**3	100%
[Lovex D037.1]*	<<locked>>	72%	21799	65%	**66	80%
Lovex S011	<<locked>>	61%	25773	77%	**4	100%
Lovex S020	<<locked>>	62%	19087	57%	**8	100%
Maxam CSB 1	<<locked>>	62%	15780	47%	**0	100%
Maxam CSB 2	<<locked>>	60%	15040	45%	**0	100%
Maxam CSB 3	<<locked>>	61%	18101	54%	**3	100%
Maxam CSB 4	<<locked>>	62%	20537	62%	**6	100%
Maxam CSB 5	<<locked>>	62%	23235	70%	**9	100%
Ramshot Silhouette	<<locked>>	62%	23931	72%	**30	100%
ReloadSwiss RS 12	<<locked>>	62%	21625	65%	**1	100%
ReloadSwiss RS 14	<<locked>>	89%	8630	26%	**6	100%
ReloadSwiss RS 20	<<locked>>	62%	14562	44%	**3	99%
[ReloadSwiss RS 24]*	<<locked>>	73%	19682	59%	**10	81%
Rottweil P 801	<<locked>>	61%	25019	75%	**1	100%
[Rottweil P 806]*	<<locked>>	64%	9442	28%	**3	81%
SNPE Vectan A0	<<locked>>	62%	16128	48%	**3	98%
SNPE Vectan BA 9	<<locked>>	62%	19725	59%	**5	100%
SNPE Vectan BA10	<<locked>>	60%	24468	73%	**9	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	60%	12459	37%	**4	87%
SNPE Vectan BA9 1/2	<<locked>>	61%	18710	56%	**9	100%
[Shooters World Major Pistol]*	<<locked>>	72%	21799	65%	**66	80%
Somchem MP200	<<locked>>	60%	18333	55%	**5	99%
Somchem MS200	<<locked>>	61%	17216	52%	**6	99%
[Somchem S221]*	<<locked>>	62%	20146	60%	**01	85%
Vihtavuori 3N37	<<locked>>	61%	14243	43%	**6	91%
[Vihtavuori 3N38]*	<<locked>>	83%	18478	55%	**1	81%
[Vihtavuori N105]*	<<locked>>	86%	15273	46%	**8	80%
Vihtavuori N320	<<locked>>	60%	19160	57%	**9	100%
Vihtavuori N32C Tin Star	<<locked>>	61%	10849	33%	**2	100%
Vihtavuori N330	<<locked>>	61%	17593	53%	**2	100%
Vihtavuori N340	<<locked>>	60%	15606	47%	**3	98%
[Vihtavuori N350]*	<<locked>>	61%	12763	38%	**7	89%
Winchester 231	<<locked>>	61%	26339	79%	**01	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