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, Vihtavuori N340

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:	<<locked>>
Caliber:	.38 Super Auto load data
Case Length (l3):	0.890" \| 22.6mm
Cartridge Length (C.O.L.):	<<locked>>
Seated Depth:	<<locked>>
Shank Seated Depth:	<<locked>>
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:	2026-01-30

Load data for 120 loads in caliber .38 Super Auto with .357 | 127gr | H&N KS HP HS bullet and 60 powders such as Alliant UNIQUE, Ramshot Silhouette, ReloadSwiss RS 20, 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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Use the Personalized Load Calculator to customize loads to your own specific requirements. Find more details in the help section.

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%	25440	76%	**37	90%
ADI AP 70N	<<locked>>	71%	29225	88%	**34	100%
ADI APS 350	<<locked>>	72%	29631	89%	**43	100%
ADI APS 450	<<locked>>	74%	29443	88%	**76	100%
ADI AS 30	<<locked>>	79%	29747	89%	**32	100%
ADI AS 50N	<<locked>>	76%	29544	89%	**78	100%
Accurate No. 2	<<locked>>	77%	29283	88%	**30	100%
Accurate No. 5	<<locked>>	65%	29994	90%	**12	94%
[Accurate No. 7]*	<<locked>>	83%	29254	88%	**42	82%
Accurate Solo 1000	<<locked>>	77%	29631	89%	**55	100%
Accurate Solo 1250	<<locked>>	84%	29443	88%	**17	100%
Alliant BE-86	<<locked>>	83%	29356	88%	**07	100%
Alliant BULLSEYE	<<locked>>	74%	29588	89%	**76	100%
Alliant Herco	<<locked>>	97%	26426	79%	**37	100%
Alliant POWER PISTOL	<<locked>>	86%	29776	89%	**52	92%
Alliant Sport Pistol	<<locked>>	69%	29689	89%	**80	100%
Alliant UNIQUE 👍	<<locked>>	86%	29312	88%	**89	100%
Baschieri & Pellagri 100	<<locked>>	80%	29660	89%	**68	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	96%	26672	80%	**55	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	76%	29805	89%	**98	100%
Hodgdon Clays	<<locked>>	72%	29979	90%	**63	100%
Hodgdon HS-6	<<locked>>	70%	29704	89%	**99	96%
Hodgdon Longshot	<<locked>>	67%	29704	89%	**93	98%
Hodgdon Universal	<<locked>>	78%	29225	88%	**34	100%
Hodgdon CFE Pistol	<<locked>>	81%	29617	89%	**30	100%
Lovex D036	<<locked>>	65%	29950	90%	**12	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>>	71%	29805	89%	**83	100%
Ramshot True Blue	<<locked>>	66%	29617	89%	**89	98%
ReloadSwiss RS 12	<<locked>>	75%	29820	89%	**20	100%
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>>	87%	29573	89%	**34	100%
SNPE Vectan BA 9	<<locked>>	79%	29791	89%	**14	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>>	80%	29399	88%	**20	100%
SNPE Vectan SP 2	<<locked>>	83%	29602	89%	**71	94%
Shooters World Auto Pistol	<<locked>>	65%	29950	90%	**12	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>>	75%	29457	88%	**12	89%
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>>	84%	29994	90%	**60	100%
Vihtavuori N350	<<locked>>	91%	29762	89%	**09	98%
Winchester 231	<<locked>>	67%	29646	89%	**11	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 BE-86	<<locked>>	62%	15708	47%	**1	100%
Alliant BULLSEYE	<<locked>>	60%	19856	60%	**02	99%
Alliant Herco	<<locked>>	62%	10457	31%	**9	90%
[Alliant POWER PISTOL]*	<<locked>>	66%	16215	49%	**66	80%
Alliant Sport Pistol	<<locked>>	62%	23511	70%	**78	99%
Alliant UNIQUE	<<locked>>	62%	15142	45%	**07	95%
Baschieri & Pellagri 100	<<locked>>	60%	16824	50%	**1	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	61%	10008	30%	**0	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	60%	17724	53%	**20	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%
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 20	<<locked>>	62%	13329	40%	**1	96%
[ReloadSwiss RS 24]*	<<locked>>	81%	22872	69%	**14	80%
Rottweil P 801	<<locked>>	61%	22872	69%	**96	100%
[Rottweil P 806]*	<<locked>>	72%	11342	34%	**07	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%
[SNPE Vectan SP 2]*	<<locked>>	62%	14098	42%	**40	80%
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>>	65%	11023	33%	**7	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