Load data for .38 Super Auto + .357 | 127gr | H&N KS HS

Recommended Powder(s): Alliant UNIQUE, Ramshot Silhouette, ReloadSwiss RS 20, Somchem MP200, Somchem MS200

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.357 \| 127gr \| H&N KS HS
Bullet Weight:	127gr \| 8.2g
Bullet Diameter:	0.357" \| 9.07mm
Bullet Length:	0.570" \| 14.5mm
Caliber:	.38 Super Auto load data
Case Length (l3):	0.890" \| 22.6mm
Cartridge Length (C.O.L.):	1.261" \| 32.0mm
Seated Depth:	0.199" \| 5.1mm
Shank Seated Depth:	0.199" \| 5.1mm
Case Capacity:	17.6 Grains of Water \| 1.14 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	33359 psi \| 2300 bar
LID:	LID_B7469_C583
Last updated:	2025-02-02

Load data for 112 loads in caliber .38 Super Auto with .357 | 127gr | H&N KS HS bullet and 56 powders such as Alliant UNIQUE, Ramshot Silhouette, ReloadSwiss RS 20, Somchem MP200, Somchem MS200. 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%	25817	77%	**50	91%
ADI AP 70N	<<locked>>	69%	28776	86%	**37	100%
ADI APS 350	<<locked>>	70%	28398	85%	**40	100%
ADI APS 450	<<locked>>	74%	29950	90%	**93	100%
ADI AS 30	<<locked>>	77%	29283	88%	**35	100%
ADI AS 50N	<<locked>>	75%	29965	90%	**91	100%
Accurate No. 2	<<locked>>	76%	29530	89%	**43	100%
Accurate No. 5	<<locked>>	63%	29080	87%	**06	94%
[Accurate No. 7]*	<<locked>>	82%	28790	86%	**42	82%
Accurate Solo 1000	<<locked>>	74%	28427	85%	**48	100%
Accurate Solo 1250	<<locked>>	82%	28863	87%	**20	100%
Alliant BULLSEYE	<<locked>>	72%	29124	87%	**80	100%
Alliant POWER PISTOL	<<locked>>	84%	28906	87%	**52	92%
Alliant UNIQUE 👍	<<locked>>	85%	29443	88%	**99	100%
Baschieri & Pellagri 100	<<locked>>	78%	29153	87%	**65	100%
Hodgdon Clays	<<locked>>	70%	28819	86%	**53	100%
Hodgdon HS-6	<<locked>>	69%	28921	87%	**93	96%
Hodgdon Longshot	<<locked>>	66%	29486	88%	**06	98%
Hodgdon Universal	<<locked>>	77%	28776	86%	**37	100%
Hodgdon CFE Pistol	<<locked>>	79%	29008	87%	**30	100%
Hodgdon TrailBoss	<<locked>>	95%	10443	31%	**7	100%
Lovex D036	<<locked>>	63%	29037	87%	**12	94%
[Lovex D037.1]*	<<locked>>	82%	28790	86%	**42	82%
Lovex S011	<<locked>>	67%	29602	89%	**91	100%
Lovex S020	<<locked>>	77%	29428	88%	**57	100%
Maxam CSB 1	<<locked>>	85%	28543	86%	**07	100%
Maxam CSB 2	<<locked>>	85%	29791	89%	**43	100%
Maxam CSB 3	<<locked>>	81%	29689	89%	**01	100%
Maxam CSB 4	<<locked>>	78%	29805	89%	**81	100%
Maxam CSB 5	<<locked>>	71%	28631	86%	**19	100%
Ramshot Silhouette 👍	<<locked>>	69%	29037	87%	**80	100%
Ramshot True Blue	<<locked>>	64%	28747	86%	**83	97%
ReloadSwiss RS 12	<<locked>>	74%	29457	88%	**27	100%
ReloadSwiss RS 14	<<locked>>	97%	9456	28%	**7	99%
ReloadSwiss RS 20 👍	<<locked>>	85%	28340	85%	**86	100%
[ReloadSwiss RS 24]*	<<locked>>	88%	29240	88%	**39	85%
Rottweil P 801	<<locked>>	68%	29791	89%	**91	100%
Rottweil P 806	<<locked>>	96%	28239	85%	**94	97%
SNPE Vectan A0	<<locked>>	85%	28935	87%	**34	100%
SNPE Vectan BA 9	<<locked>>	77%	29037	87%	**14	100%
SNPE Vectan BA10	<<locked>>	69%	29936	90%	**93	100%
SNPE Vectan BA7 1/2	<<locked>>	93%	29602	89%	**86	97%
SNPE Vectan BA9 1/2	<<locked>>	78%	28834	86%	**20	100%
Shooters World Auto Pistol	<<locked>>	63%	29037	87%	**12	94%
[Shooters World Major Pistol]*	<<locked>>	82%	28790	86%	**42	82%
Somchem MP200 👍	<<locked>>	78%	29805	89%	**86	100%
Somchem MS200 👍	<<locked>>	82%	29399	88%	**60	100%
[Somchem S221]*	<<locked>>	74%	29588	89%	**35	89%
Vihtavuori 3N37	<<locked>>	86%	29617	89%	**22	98%
[Vihtavuori 3N38]*	<<locked>>	96%	26266	79%	**80	84%
Vihtavuori N320	<<locked>>	75%	28485	85%	**78	100%
Vihtavuori N32C Tin Star	<<locked>>	96%	25063	75%	**66	100%
Vihtavuori N330	<<locked>>	80%	29791	89%	**53	100%
Vihtavuori N340	<<locked>>	82%	29269	88%	**57	100%
Vihtavuori N350	<<locked>>	90%	29573	89%	**12	98%
Winchester 231	<<locked>>	65%	29080	87%	**11	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	77%	15563	47%	**30	81%
ADI AP 70N	<<locked>>	62%	22872	69%	**48	100%
ADI APS 350	<<locked>>	61%	22989	69%	**8	100%
ADI APS 450	<<locked>>	61%	21625	65%	**1	100%
ADI AS 30	<<locked>>	62%	19682	59%	**01	100%
ADI AS 50N	<<locked>>	62%	20610	62%	**53	100%
Accurate No. 2	<<locked>>	60%	17419	52%	**30	95%
Accurate No. 5	<<locked>>	61%	26426	79%	**63	93%
[Accurate No. 7]*	<<locked>>	79%	26121	78%	**02	80%
Accurate Solo 1000	<<locked>>	60%	19189	58%	**10	100%
Accurate Solo 1250	<<locked>>	60%	15040	45%	**8	100%
Alliant BULLSEYE	<<locked>>	60%	20305	61%	**19	99%
[Alliant POWER PISTOL]*	<<locked>>	64%	15577	47%	**60	80%
Alliant UNIQUE	<<locked>>	62%	15548	47%	**30	96%
Baschieri & Pellagri 100	<<locked>>	60%	17318	52%	**8	100%
Hodgdon Clays	<<locked>>	61%	23322	70%	**4	100%
Hodgdon HS-6	<<locked>>	61%	21611	65%	**61	92%
Hodgdon Longshot	<<locked>>	61%	24337	73%	**17	96%
Hodgdon Universal	<<locked>>	60%	17695	53%	**47	100%
Hodgdon CFE Pistol	<<locked>>	61%	17216	52%	**37	100%
Hodgdon TrailBoss	<<locked>>	71%	6237	19%	**3	98%
Lovex D036	<<locked>>	61%	26397	79%	**63	93%
[Lovex D037.1]*	<<locked>>	79%	26121	78%	**02	80%
Lovex S011	<<locked>>	61%	24613	74%	**25	100%
Lovex S020	<<locked>>	61%	17825	53%	**63	99%
Maxam CSB 1	<<locked>>	61%	14388	43%	**5	99%
Maxam CSB 2	<<locked>>	61%	14533	44%	**1	100%
Maxam CSB 3	<<locked>>	60%	16694	50%	**4	100%
Maxam CSB 4	<<locked>>	61%	18956	57%	**20	100%
Maxam CSB 5	<<locked>>	61%	21770	65%	**27	100%
Ramshot Silhouette	<<locked>>	61%	22495	67%	**71	98%
Ramshot True Blue	<<locked>>	62%	26078	78%	**43	97%
ReloadSwiss RS 12	<<locked>>	62%	20262	61%	**93	100%
ReloadSwiss RS 14	<<locked>>	74%	5816	17%	**9	94%
ReloadSwiss RS 20	<<locked>>	62%	13663	41%	**4	97%
[ReloadSwiss RS 24]*	<<locked>>	79%	22176	66%	**11	80%
Rottweil P 801	<<locked>>	61%	23366	70%	**09	100%
[Rottweil P 806]*	<<locked>>	71%	11081	33%	**7	80%
SNPE Vectan A0	<<locked>>	60%	14475	43%	**8	95%
SNPE Vectan BA 9	<<locked>>	61%	18579	56%	**40	100%
SNPE Vectan BA10	<<locked>>	62%	24801	74%	**27	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	62%	12285	37%	**9	83%
SNPE Vectan BA9 1/2	<<locked>>	62%	17970	54%	**40	100%
Shooters World Auto Pistol	<<locked>>	61%	26397	79%	**63	93%
[Shooters World Major Pistol]*	<<locked>>	79%	26121	78%	**02	80%
Somchem MP200	<<locked>>	62%	18159	54%	**76	97%
Somchem MS200	<<locked>>	61%	16534	50%	**27	98%
[Somchem S221]*	<<locked>>	61%	18695	56%	**15	81%
[Vihtavuori 3N37]*	<<locked>>	60%	12923	39%	**8	86%
[Vihtavuori 3N38]*	<<locked>>	90%	21567	65%	**94	80%
Vihtavuori N320	<<locked>>	61%	18869	57%	**37	100%
Vihtavuori N32C Tin Star	<<locked>>	61%	10196	31%	**7	100%
Vihtavuori N330	<<locked>>	61%	16607	50%	**47	100%
Vihtavuori N340	<<locked>>	60%	14837	44%	**4	96%
[Vihtavuori N350]*	<<locked>>	60%	11748	35%	**2	85%
Winchester 231	<<locked>>	62%	25976	78%	**68	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