Load data for .38 Super Auto + .357 | 127gr | H&N KS HP 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 HP HS
Bullet Weight:	127gr \| 8.2g
Bullet Diameter:	0.357" \| 9.07mm
Bullet Length:	0.587" \| 14.9mm
Caliber:	.38 Super Auto load data
Case Length (l3):	0.890" \| 22.6mm
Cartridge Length (C.O.L.):	1.261" \| 32.0mm
Seated Depth:	0.216" \| 5.5mm
Shank Seated Depth:	0.216" \| 5.5mm
Case Capacity:	17.6 Grains of Water \| 1.14 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	33359 psi \| 2300 bar
LID:	LID_B7468_C583
Last updated:	2025-02-02

Load data for 112 loads in caliber .38 Super Auto with .357 | 127gr | H&N KS HP 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%	24787	74%	**27	90%
ADI AP 70N	<<locked>>	70%	28601	86%	**24	100%
ADI APS 350	<<locked>>	72%	29631	89%	**43	100%
ADI APS 450	<<locked>>	74%	29443	88%	**76	100%
ADI AS 30	<<locked>>	77%	28761	86%	**25	100%
ADI AS 50N	<<locked>>	76%	29544	89%	**78	100%
Accurate No. 2	<<locked>>	77%	29283	88%	**30	100%
Accurate No. 5	<<locked>>	64%	29428	88%	**02	94%
[Accurate No. 7]*	<<locked>>	83%	29254	88%	**42	82%
Accurate Solo 1000	<<locked>>	77%	29631	89%	**55	100%
Accurate Solo 1250	<<locked>>	83%	28529	86%	**07	100%
Alliant BULLSEYE	<<locked>>	73%	28892	87%	**66	100%
Alliant POWER PISTOL	<<locked>>	85%	29240	88%	**42	91%
Alliant UNIQUE 👍	<<locked>>	86%	29312	88%	**89	100%
Baschieri & Pellagri 100	<<locked>>	78%	28732	86%	**58	100%
Hodgdon Clays	<<locked>>	72%	29979	90%	**63	100%
Hodgdon HS-6	<<locked>>	70%	29037	87%	**89	96%
Hodgdon Longshot	<<locked>>	67%	29704	89%	**93	98%
Hodgdon Universal	<<locked>>	77%	28601	86%	**24	100%
Hodgdon CFE Pistol	<<locked>>	80%	28863	87%	**20	100%
Hodgdon TrailBoss	<<locked>>	94%	9964	30%	**4	100%
Lovex D036	<<locked>>	64%	29385	88%	**02	94%
[Lovex D037.1]*	<<locked>>	83%	29254	88%	**42	82%
Lovex S011	<<locked>>	67%	29283	88%	**78	100%
Lovex S020	<<locked>>	77%	29356	88%	**47	100%
Maxam CSB 1	<<locked>>	88%	29994	90%	**17	100%
Maxam CSB 2	<<locked>>	86%	29414	88%	**34	100%
Maxam CSB 3	<<locked>>	81%	29312	88%	**88	100%
Maxam CSB 4	<<locked>>	78%	29385	88%	**68	100%
Maxam CSB 5	<<locked>>	74%	29907	90%	**25	100%
Ramshot Silhouette 👍	<<locked>>	70%	29182	87%	**73	100%
Ramshot True Blue	<<locked>>	65%	28935	87%	**80	97%
ReloadSwiss RS 12	<<locked>>	74%	28979	87%	**14	100%
ReloadSwiss RS 14	<<locked>>	96%	9036	27%	**7	99%
ReloadSwiss RS 20 👍	<<locked>>	88%	29849	89%	**99	100%
[ReloadSwiss RS 24]*	<<locked>>	89%	29646	89%	**32	85%
Rottweil P 801	<<locked>>	69%	29312	88%	**81	100%
Rottweil P 806	<<locked>>	97%	27702	83%	**78	96%
SNPE Vectan A0	<<locked>>	86%	28935	87%	**24	100%
SNPE Vectan BA 9	<<locked>>	78%	28979	87%	**04	100%
SNPE Vectan BA10	<<locked>>	69%	29428	88%	**76	100%
SNPE Vectan BA7 1/2	<<locked>>	94%	29921	90%	**86	97%
SNPE Vectan BA9 1/2	<<locked>>	79%	28514	85%	**11	100%
Shooters World Auto Pistol	<<locked>>	64%	29385	88%	**02	94%
[Shooters World Major Pistol]*	<<locked>>	83%	29254	88%	**42	82%
Somchem MP200 👍	<<locked>>	79%	29631	89%	**76	100%
Somchem MS200 👍	<<locked>>	82%	29283	88%	**50	100%
[Somchem S221]*	<<locked>>	74%	28645	86%	**99	88%
Vihtavuori 3N37	<<locked>>	88%	29863	90%	**09	98%
[Vihtavuori 3N38]*	<<locked>>	96%	25367	76%	**53	83%
Vihtavuori N320	<<locked>>	78%	29849	89%	**88	100%
Vihtavuori N32C Tin Star	<<locked>>	97%	24772	74%	**56	100%
Vihtavuori N330	<<locked>>	80%	29544	89%	**43	100%
Vihtavuori N340	<<locked>>	83%	29080	87%	**47	100%
Vihtavuori N350	<<locked>>	91%	29762	89%	**09	98%
Winchester 231	<<locked>>	66%	28732	86%	**98	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	78%	15519	47%	**20	81%
ADI AP 70N	<<locked>>	60%	20972	63%	**09	100%
ADI APS 350	<<locked>>	61%	22249	67%	**1	100%
ADI APS 450	<<locked>>	61%	20987	63%	**1	100%
ADI AS 30	<<locked>>	61%	18985	57%	**1	100%
ADI AS 50N	<<locked>>	62%	20088	60%	**37	100%
Accurate No. 2	<<locked>>	60%	17027	51%	**10	94%
Accurate No. 5	<<locked>>	61%	26556	80%	**60	93%
[Accurate No. 7]*	<<locked>>	81%	26643	80%	**02	80%
Accurate Solo 1000	<<locked>>	62%	20030	60%	**17	100%
Accurate Solo 1250	<<locked>>	60%	14518	44%	**8	99%
Alliant BULLSEYE	<<locked>>	60%	19856	60%	**02	99%
[Alliant POWER PISTOL]*	<<locked>>	66%	16215	49%	**66	80%
Alliant UNIQUE	<<locked>>	62%	15142	45%	**07	95%
Baschieri & Pellagri 100	<<locked>>	60%	16824	50%	**1	100%
Hodgdon Clays	<<locked>>	61%	22394	67%	**1	100%
Hodgdon HS-6	<<locked>>	61%	21625	65%	**55	92%
Hodgdon Longshot	<<locked>>	60%	23003	69%	**84	95%
Hodgdon Universal	<<locked>>	60%	17187	52%	**30	100%
Hodgdon CFE Pistol	<<locked>>	62%	16940	51%	**20	100%
Hodgdon TrailBoss	<<locked>>	74%	6454	19%	**9	99%
Lovex D036	<<locked>>	61%	26513	79%	**57	93%
[Lovex D037.1]*	<<locked>>	81%	26643	80%	**02	80%
Lovex S011	<<locked>>	61%	24163	72%	**06	100%
Lovex S020	<<locked>>	61%	17347	52%	**47	99%
Maxam CSB 1	<<locked>>	61%	13895	42%	**5	99%
Maxam CSB 2	<<locked>>	61%	14054	42%	**1	100%
Maxam CSB 3	<<locked>>	60%	16099	48%	**4	100%
Maxam CSB 4	<<locked>>	61%	18376	55%	**04	100%
Maxam CSB 5	<<locked>>	61%	21103	63%	**07	100%
Ramshot Silhouette	<<locked>>	60%	21060	63%	**32	97%
Ramshot True Blue	<<locked>>	61%	24860	75%	**07	96%
ReloadSwiss RS 12	<<locked>>	62%	19740	59%	**79	100%
ReloadSwiss RS 14	<<locked>>	76%	5932	18%	**3	94%
ReloadSwiss RS 20	<<locked>>	62%	13329	40%	**1	96%
[ReloadSwiss RS 24]*	<<locked>>	82%	23424	70%	**24	81%
Rottweil P 801	<<locked>>	61%	22872	69%	**96	100%
[Rottweil P 806]*	<<locked>>	73%	11618	35%	**14	81%
SNPE Vectan A0	<<locked>>	60%	14112	42%	**2	94%
SNPE Vectan BA 9	<<locked>>	62%	18289	55%	**27	100%
SNPE Vectan BA10	<<locked>>	62%	24192	73%	**10	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	60%	11371	34%	**3	81%
SNPE Vectan BA9 1/2	<<locked>>	62%	17550	53%	**27	100%
Shooters World Auto Pistol	<<locked>>	61%	26513	79%	**57	93%
[Shooters World Major Pistol]*	<<locked>>	81%	26643	80%	**02	80%
Somchem MP200	<<locked>>	62%	17796	53%	**63	96%
Somchem MS200	<<locked>>	61%	16143	48%	**04	97%
[Somchem S221]*	<<locked>>	62%	18710	56%	**12	80%
[Vihtavuori 3N37]*	<<locked>>	61%	12662	38%	**1	85%
[Vihtavuori 3N38]*	<<locked>>	91%	21886	66%	**91	80%
Vihtavuori N320	<<locked>>	61%	18202	55%	**17	100%
Vihtavuori N32C Tin Star	<<locked>>	61%	9718	29%	**4	100%
Vihtavuori N330	<<locked>>	61%	16114	48%	**24	100%
Vihtavuori N340	<<locked>>	60%	14446	43%	**8	95%
[Vihtavuori N350]*	<<locked>>	61%	11531	35%	**5	84%
Winchester 231	<<locked>>	60%	24134	72%	**35	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