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

Recommended Powder(s): Alliant UNIQUE, Hodgdon Longshot, Ramshot True Blue, ReloadSwiss RS 20, Somchem MP200

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.357 \| 158gr \| H&N KS HS
Bullet Weight:	158gr \| 10.2g
Bullet Diameter:	0.357" \| 9.07mm
Bullet Length:	0.667" \| 16.9mm
Caliber:	.38 Super Auto load data
Case Length (l3):	0.890" \| 22.6mm
Cartridge Length (C.O.L.):	1.261" \| 32.0mm
Seated Depth:	0.296" \| 7.5mm
Shank Seated Depth:	0.277" \| 7.0mm
Case Capacity:	17.6 Grains of Water \| 1.14 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	33359 psi \| 2300 bar
LID:	LID_B7478_C583
Last updated:	2025-02-02

Load data for 114 loads in caliber .38 Super Auto with .357 | 158gr | H&N KS HS bullet and 57 powders such as Alliant UNIQUE, Hodgdon Longshot, Ramshot True Blue, ReloadSwiss RS 20, Somchem MP200. 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%	25947	78%	**73	93%
ADI AP 70N	<<locked>>	68%	28239	85%	**40	100%
ADI APS 350	<<locked>>	71%	29689	89%	**6	100%
ADI APS 450	<<locked>>	72%	28326	85%	**2	100%
ADI AS 30	<<locked>>	75%	28253	85%	**5	100%
ADI AS 50N	<<locked>>	72%	28007	84%	**4	100%
Accurate No. 2	<<locked>>	76%	29269	88%	**50	100%
Accurate No. 5	<<locked>>	63%	28993	87%	**15	96%
[Accurate No. 7]*	<<locked>>	81%	28587	86%	**55	84%
Accurate Solo 1000	<<locked>>	76%	29762	89%	**1	100%
Accurate Solo 1250	<<locked>>	81%	28355	85%	**24	100%
Alliant BULLSEYE	<<locked>>	71%	28239	85%	**73	100%
Alliant POWER PISTOL	<<locked>>	84%	29037	87%	**58	94%
Alliant UNIQUE 👍	<<locked>>	83%	28471	85%	**89	100%
Baschieri & Pellagri 100	<<locked>>	79%	29936	90%	**1	100%
Hodgdon Clays	<<locked>>	68%	27746	83%	**6	100%
Hodgdon HS-6	<<locked>>	69%	29370	88%	**09	98%
Hodgdon Longshot 👍	<<locked>>	66%	29602	89%	**12	99%
Hodgdon Universal	<<locked>>	76%	28239	85%	**40	100%
Hodgdon CFE Pistol	<<locked>>	80%	29863	90%	**50	100%
Hodgdon TrailBoss	<<locked>>	96%	10921	33%	**2	100%
Lovex D036	<<locked>>	63%	28950	87%	**15	96%
[Lovex D037.1]*	<<locked>>	81%	28587	86%	**55	84%
Lovex S011	<<locked>>	65%	28007	84%	**8	100%
Lovex S020	<<locked>>	75%	27978	84%	**47	100%
Maxam CSB 1	<<locked>>	85%	28398	85%	**20	100%
Maxam CSB 2	<<locked>>	83%	27934	84%	**30	100%
Maxam CSB 3	<<locked>>	79%	28326	85%	**7	100%
Maxam CSB 4	<<locked>>	78%	29863	90%	**4	100%
Maxam CSB 5	<<locked>>	72%	29283	88%	**8	100%
Ramshot Silhouette	<<locked>>	69%	29399	88%	**96	100%
Ramshot True Blue 👍	<<locked>>	64%	28631	86%	**93	99%
ReloadSwiss RS 12	<<locked>>	73%	29037	87%	**30	100%
ReloadSwiss RS 14	<<locked>>	95%	9108	27%	**6	100%
ReloadSwiss RS 20 👍	<<locked>>	85%	28036	84%	**86	100%
[ReloadSwiss RS 24]*	<<locked>>	87%	28718	86%	**42	87%
Rottweil P 801	<<locked>>	67%	28892	87%	**7	100%
Rottweil P 806	<<locked>>	96%	28152	84%	**98	98%
SNPE Vectan A0	<<locked>>	86%	29878	90%	**56	100%
SNPE Vectan BA 9	<<locked>>	77%	29588	89%	**30	100%
SNPE Vectan BA10	<<locked>>	67%	28311	85%	**2	100%
SNPE Vectan BA7 1/2	<<locked>>	91%	28398	85%	**79	98%
SNPE Vectan BA9 1/2	<<locked>>	78%	28747	86%	**33	100%
Shooters World Auto Pistol	<<locked>>	63%	28950	87%	**15	96%
[Shooters World Major Pistol]*	<<locked>>	81%	28587	86%	**55	84%
Somchem MP200 👍	<<locked>>	77%	29530	89%	**86	100%
Somchem MS200	<<locked>>	80%	28166	84%	**53	100%
Somchem S221	<<locked>>	73%	28863	87%	**29	91%
Vihtavuori 3N37	<<locked>>	86%	29762	89%	**25	99%
[Vihtavuori 3N38]*	<<locked>>	96%	25759	77%	**96	86%
[Vihtavuori N105]*	<<locked>>	95%	19102	57%	**24	85%
Vihtavuori N320	<<locked>>	75%	28485	85%	**4	100%
Vihtavuori N32C Tin Star	<<locked>>	94%	24410	73%	**2	100%
Vihtavuori N330	<<locked>>	77%	27949	84%	**40	100%
Vihtavuori N340	<<locked>>	81%	28108	84%	**56	100%
Vihtavuori N350	<<locked>>	89%	29428	88%	**15	99%
Winchester 231	<<locked>>	64%	28543	86%	**17	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	71%	13039	39%	**0	80%
ADI AP 70N	<<locked>>	62%	22902	69%	**1	100%
ADI APS 350	<<locked>>	61%	23047	69%	**4	100%
ADI APS 450	<<locked>>	62%	22423	67%	**3	100%
ADI AS 30	<<locked>>	60%	18681	56%	**7	100%
ADI AS 50N	<<locked>>	61%	20581	62%	**9	100%
Accurate No. 2	<<locked>>	61%	18115	54%	**2	97%
Accurate No. 5	<<locked>>	61%	27311	82%	**96	95%
[Accurate No. 7]*	<<locked>>	75%	22727	68%	**66	80%
Accurate Solo 1000	<<locked>>	61%	20175	60%	**3	100%
Accurate Solo 1250	<<locked>>	60%	15011	45%	**0	100%
Alliant BULLSEYE	<<locked>>	61%	21147	63%	**8	100%
[Alliant POWER PISTOL]*	<<locked>>	61%	14417	43%	**9	81%
Alliant UNIQUE	<<locked>>	60%	14895	45%	**3	97%
Baschieri & Pellagri 100	<<locked>>	60%	17245	52%	**3	100%
Hodgdon Clays	<<locked>>	61%	23351	70%	**7	100%
Hodgdon HS-6	<<locked>>	61%	21785	65%	**01	94%
Hodgdon Longshot	<<locked>>	61%	24831	74%	**43	97%
Hodgdon Universal	<<locked>>	61%	18202	55%	**9	100%
Hodgdon CFE Pistol	<<locked>>	61%	17158	51%	**6	100%
Hodgdon TrailBoss	<<locked>>	87%	8920	27%	**9	100%
Lovex D036	<<locked>>	61%	27267	82%	**96	95%
[Lovex D037.1]*	<<locked>>	75%	22727	68%	**66	80%
Lovex S011	<<locked>>	60%	24033	72%	**2	100%
Lovex S020	<<locked>>	61%	17593	53%	**2	100%
Maxam CSB 1	<<locked>>	60%	14301	43%	**0	100%
Maxam CSB 2	<<locked>>	61%	14692	44%	**6	100%
Maxam CSB 3	<<locked>>	62%	17811	53%	**0	100%
Maxam CSB 4	<<locked>>	60%	18608	56%	**6	100%
Maxam CSB 5	<<locked>>	60%	21045	63%	**0	100%
Ramshot Silhouette	<<locked>>	62%	22902	69%	**04	99%
Ramshot True Blue	<<locked>>	61%	25454	76%	**50	98%
ReloadSwiss RS 12	<<locked>>	61%	19827	59%	**9	100%
ReloadSwiss RS 14	<<locked>>	90%	8296	25%	**3	99%
ReloadSwiss RS 20	<<locked>>	61%	13387	40%	**3	98%
[ReloadSwiss RS 24]*	<<locked>>	76%	20378	61%	**04	81%
Rottweil P 801	<<locked>>	60%	23206	70%	**2	100%
[Rottweil P 806]*	<<locked>>	67%	9558	29%	**0	81%
SNPE Vectan A0	<<locked>>	61%	14924	45%	**3	97%
SNPE Vectan BA 9	<<locked>>	61%	18391	55%	**3	100%
SNPE Vectan BA10	<<locked>>	61%	24279	73%	**0	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	62%	12517	38%	**4	86%
SNPE Vectan BA9 1/2	<<locked>>	60%	17260	52%	**9	100%
Shooters World Auto Pistol	<<locked>>	61%	27267	82%	**96	95%
[Shooters World Major Pistol]*	<<locked>>	75%	22727	68%	**66	80%
Somchem MP200	<<locked>>	62%	18405	55%	**2	98%
Somchem MS200	<<locked>>	62%	17187	52%	**6	99%
[Somchem S221]*	<<locked>>	61%	18347	55%	**5	83%
[Vihtavuori 3N37]*	<<locked>>	61%	13358	40%	**3	89%
[Vihtavuori 3N38]*	<<locked>>	86%	19072	57%	**1	81%
[Vihtavuori N105]*	<<locked>>	89%	15780	47%	**5	80%
Vihtavuori N320	<<locked>>	61%	18724	56%	**3	100%
Vihtavuori N32C Tin Star	<<locked>>	62%	10486	31%	**9	100%
Vihtavuori N330	<<locked>>	62%	17347	52%	**6	100%
Vihtavuori N340	<<locked>>	61%	15548	47%	**3	98%
[Vihtavuori N350]*	<<locked>>	60%	11777	35%	**7	87%
Winchester 231	<<locked>>	60%	24860	75%	**1	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