Load data for .357 Magnum + .357 | 125gr | H&N WC HS

Recommended Powder(s): Alliant UNIQUE, ReloadSwiss RS 20, SNPE Vectan A0, Somchem MS200, Vihtavuori N340

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.357 \| 125gr \| H&N WC HS
Bullet Weight:	125gr \| 8.1g
Bullet Diameter:	0.357" \| 9.07mm
Bullet Length:	0.578" \| 14.7mm
Caliber:	.357 Magnum load data
Case Length (l3):	1.290" \| 32.8mm
Cartridge Length (C.O.L.):	1.290" \| 32.8mm
Seated Depth:	0.578" \| 14.7mm
Shank Seated Depth:	0.232" \| 5.9mm
Case Capacity:	25.6 Grains of Water \| 1.66 cm³
Primer Size:	Small Pistol Magnum (SPM)
Max. allowed Pressure:	43511 psi \| 3000 bar
LID:	LID_B7467_C513
Last updated:	2025-11-10

Load data for 126 loads in caliber .357 Magnum with .357 | 125gr | H&N WC HS bullet and 63 powders such as Alliant UNIQUE, ReloadSwiss RS 20, SNPE Vectan A0, Somchem MS200, 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>>	96%	26861	62%	**96	92%
ADI AP 70N	<<locked>>	77%	37898	87%	**75	100%
ADI APS 350	<<locked>>	81%	37246	86%	**65	100%
ADI APS 450	<<locked>>	84%	37985	87%	**04	100%
ADI AS 30	<<locked>>	87%	37753	87%	**57	100%
ADI AS 50N	<<locked>>	84%	37971	87%	**12	100%
Accurate No. 2	<<locked>>	83%	37652	87%	**75	100%
Accurate No. 5	<<locked>>	70%	39160	90%	**90	98%
[Accurate No. 7]*	<<locked>>	88%	39102	90%	**32	88%
Accurate Solo 1000	<<locked>>	86%	38130	88%	**89	100%
Accurate Solo 1250	<<locked>>	92%	38319	88%	**52	100%
[Accurate TCM]*	<<locked>>	97%	38972	90%	**93	83%
Alliant BULLSEYE	<<locked>>	81%	38261	88%	**21	100%
Alliant POWER PISTOL	<<locked>>	93%	38986	90%	**35	96%
Alliant Sport Pistol	<<locked>>	76%	38769	89%	**34	100%
Alliant UNIQUE 👍	<<locked>>	93%	37739	87%	**34	100%
Baschieri & Pellagri 100	<<locked>>	88%	38957	90%	**96	100%
Hodgdon Clays	<<locked>>	81%	38029	87%	**81	100%
Hodgdon HP38	<<locked>>	64%	37594	86%	**29	100%
Hodgdon HS-6	<<locked>>	76%	38725	89%	**53	99%
Hodgdon Longshot	<<locked>>	72%	37985	87%	**44	100%
Hodgdon Universal	<<locked>>	86%	37898	87%	**75	100%
Hodgdon CFE Pistol	<<locked>>	88%	38682	89%	**71	100%
Hodgdon TrailBoss	<<locked>>	96%	11298	26%	**6	100%
Lovex D036	<<locked>>	70%	39117	90%	**86	98%
[Lovex D037.1]*	<<locked>>	88%	39102	90%	**32	88%
Lovex S011	<<locked>>	74%	37565	86%	**09	100%
Lovex S020	<<locked>>	84%	39001	90%	**98	100%
Maxam CSB 1	<<locked>>	95%	37202	86%	**39	100%
Maxam CSB 2	<<locked>>	92%	37362	86%	**52	100%
Maxam CSB 3	<<locked>>	91%	39131	90%	**35	100%
Maxam CSB 4	<<locked>>	86%	37985	87%	**99	100%
Maxam CSB 5	<<locked>>	81%	37173	85%	**37	100%
Ramshot Silhouette	<<locked>>	76%	38261	88%	**27	100%
Ramshot True Blue	<<locked>>	71%	38841	89%	**47	100%
Ramshot Zip	<<locked>>	65%	38000	87%	**35	100%
ReloadSwiss RS 12	<<locked>>	82%	39102	90%	**55	100%
ReloadSwiss RS 14	<<locked>>	95%	9442	22%	**0	99%
ReloadSwiss RS 20 👍	<<locked>>	95%	38624	89%	**34	100%
ReloadSwiss RS 24	<<locked>>	95%	38261	88%	**99	90%
Rottweil P 801	<<locked>>	75%	37217	86%	**99	100%
Rottweil P 806	<<locked>>	96%	31125	72%	**63	98%
SNPE Vectan A0 👍	<<locked>>	96%	38522	89%	**85	100%
SNPE Vectan BA 9	<<locked>>	87%	38914	89%	**55	100%
SNPE Vectan BA10	<<locked>>	78%	37971	87%	**04	100%
SNPE Vectan BA7 1/2	<<locked>>	95%	33431	77%	**71	99%
SNPE Vectan BA9 1/2	<<locked>>	87%	37376	86%	**52	100%
SNPE Vectan SP 2	<<locked>>	89%	38464	88%	**35	98%
Shooters World Auto Pistol	<<locked>>	70%	39117	90%	**86	98%
[Shooters World Major Pistol]*	<<locked>>	88%	39102	90%	**32	88%
Somchem MP200	<<locked>>	85%	37768	87%	**17	100%
Somchem MS200 👍	<<locked>>	90%	37768	87%	**91	100%
Somchem S221	<<locked>>	80%	38812	89%	**93	94%
Vihtavuori 3N37	<<locked>>	94%	38609	89%	**67	100%
[Vihtavuori 3N38]*	<<locked>>	97%	27920	64%	**45	86%
[Vihtavuori N105]*	<<locked>>	96%	20407	47%	**40	84%
Vihtavuori N310	<<locked>>	69%	37086	85%	**01	100%
Vihtavuori N320	<<locked>>	85%	38914	89%	**16	100%
Vihtavuori N32C Tin Star	<<locked>>	95%	25744	59%	**96	100%
Vihtavuori N330	<<locked>>	86%	37710	87%	**65	100%
Vihtavuori N340 👍	<<locked>>	91%	38043	87%	**98	100%
Vihtavuori N350	<<locked>>	96%	37463	86%	**47	100%
Winchester 231	<<locked>>	73%	38000	87%	**35	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	74%	15055	35%	**37	81%
ADI AP 70N	<<locked>>	61%	23627	54%	**78	100%
ADI APS 350	<<locked>>	60%	22887	53%	**8	100%
ADI APS 450	<<locked>>	60%	21509	49%	**7	100%
ADI AS 30	<<locked>>	61%	19624	45%	**17	100%
ADI AS 50N	<<locked>>	60%	20465	47%	**73	100%
Accurate No. 2	<<locked>>	60%	18217	42%	**73	96%
Accurate No. 5	<<locked>>	61%	27572	63%	**16	94%
[Accurate No. 7]*	<<locked>>	77%	25280	58%	**16	80%
Accurate Solo 1000	<<locked>>	61%	20305	47%	**50	100%
Accurate Solo 1250	<<locked>>	61%	15983	37%	**17	100%
[Accurate TCM]*	<<locked>>	93%	34418	79%	**34	81%
Alliant BULLSEYE	<<locked>>	60%	21205	49%	**65	100%
[Alliant POWER PISTOL]*	<<locked>>	63%	15911	37%	**89	81%
Alliant Sport Pistol	<<locked>>	61%	24671	57%	**30	100%
Alliant UNIQUE	<<locked>>	60%	15302	35%	**40	96%
Baschieri & Pellagri 100	<<locked>>	61%	18391	42%	**30	100%
Hodgdon Clays	<<locked>>	60%	23177	53%	**01	100%
Hodgdon HP38	<<locked>>	61%	33968	78%	**86	100%
Hodgdon HS-6	<<locked>>	61%	22640	52%	**14	93%
Hodgdon Longshot	<<locked>>	61%	25527	59%	**66	97%
Hodgdon Universal	<<locked>>	60%	18666	43%	**89	100%
Hodgdon CFE Pistol	<<locked>>	61%	17898	41%	**70	100%
Hodgdon TrailBoss	<<locked>>	67%	5874	14%	**9	98%
Lovex D036	<<locked>>	61%	27528	63%	**16	94%
[Lovex D037.1]*	<<locked>>	77%	25280	58%	**16	80%
Lovex S011	<<locked>>	61%	25498	59%	**58	100%
Lovex S020	<<locked>>	61%	18681	43%	**02	100%
Maxam CSB 1	<<locked>>	61%	15287	35%	**4	100%
Maxam CSB 2	<<locked>>	62%	15548	36%	**33	100%
Maxam CSB 3	<<locked>>	61%	17782	41%	**33	100%
Maxam CSB 4	<<locked>>	62%	20117	46%	**60	100%
Maxam CSB 5	<<locked>>	62%	23192	53%	**66	100%
Ramshot Silhouette	<<locked>>	60%	22771	52%	**01	99%
Ramshot True Blue	<<locked>>	62%	27180	62%	**83	97%
Ramshot Zip	<<locked>>	61%	32721	75%	**76	100%
ReloadSwiss RS 12	<<locked>>	62%	21306	49%	**25	100%
ReloadSwiss RS 14	<<locked>>	69%	5497	13%	**3	93%
ReloadSwiss RS 20	<<locked>>	62%	14344	33%	**30	97%
[ReloadSwiss RS 24]*	<<locked>>	77%	21915	50%	**24	80%
Rottweil P 801	<<locked>>	61%	24410	56%	**42	100%
[Rottweil P 806]*	<<locked>>	69%	11124	26%	**20	81%
SNPE Vectan A0	<<locked>>	60%	15214	35%	**4	96%
SNPE Vectan BA 9	<<locked>>	61%	19218	44%	**76	100%
SNPE Vectan BA10	<<locked>>	60%	24439	56%	**43	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	61%	12691	29%	**8	84%
SNPE Vectan BA9 1/2	<<locked>>	62%	18811	43%	**76	100%
[SNPE Vectan SP 2]*	<<locked>>	61%	15127	35%	**99	83%
Shooters World Auto Pistol	<<locked>>	61%	27528	63%	**16	94%
[Shooters World Major Pistol]*	<<locked>>	77%	25280	58%	**16	80%
Somchem MP200	<<locked>>	61%	18768	43%	**12	97%
Somchem MS200	<<locked>>	61%	17303	40%	**63	98%
[Somchem S221]*	<<locked>>	61%	19537	45%	**65	82%
[Vihtavuori 3N37]*	<<locked>>	62%	14156	33%	**27	88%
[Vihtavuori 3N38]*	<<locked>>	87%	21205	49%	**11	81%
[Vihtavuori N105]*	<<locked>>	91%	17622	40%	**75	80%
Vihtavuori N310	<<locked>>	60%	28921	66%	**15	100%
Vihtavuori N320	<<locked>>	62%	19957	46%	**76	100%
Vihtavuori N32C Tin Star	<<locked>>	60%	10414	24%	**3	100%
Vihtavuori N330	<<locked>>	61%	17463	40%	**83	100%
Vihtavuori N340	<<locked>>	60%	15606	36%	**33	97%
[Vihtavuori N350]*	<<locked>>	62%	13024	30%	**1	87%
Winchester 231	<<locked>>	61%	26542	61%	**98	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