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

Recommended Powder(s): SNPE Vectan BA7 1/2, Vihtavuori 3N37, Vihtavuori N350

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 Auto Magnum load data
Case Length (l3):	1.299" \| 33.0mm
Cartridge Length (C.O.L.):	1.299" \| 33.0mm
Seated Depth:	0.578" \| 14.7mm
Shank Seated Depth:	0.232" \| 5.9mm
Case Capacity:	35.0 Grains of Water \| 2.27 cm³
Primer Size:	Small Pistol Magnum (SPM)
Max. allowed Pressure:	36985 psi \| 2550 bar
LID:	LID_B7467_C511
Last updated:	2025-11-15

Load data for 104 loads in caliber .357 Auto Magnum with .357 | 125gr | H&N WC HS bullet and 52 powders such as SNPE Vectan BA7 1/2, Vihtavuori 3N37, Vihtavuori N350. 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>>	88%	32619	88%	**72	98%
ADI APS 350	<<locked>>	65%	31053	84%	**34	100%
ADI APS 450	<<locked>>	69%	33257	90%	**99	100%
ADI AS 30	<<locked>>	70%	32590	88%	**42	100%
ADI AS 50N	<<locked>>	66%	31966	86%	**85	100%
Accurate No. 2	<<locked>>	68%	32576	88%	**76	100%
Accurate No. 7	<<locked>>	69%	32300	87%	**14	91%
[Accurate No. 9]*	<<locked>>	78%	32329	87%	**94	84%
Accurate Solo 1000	<<locked>>	69%	32982	89%	**78	100%
Accurate Solo 1250	<<locked>>	74%	33286	90%	**40	100%
[Accurate TCM]*	<<locked>>	77%	31763	86%	**91	86%
Alliant BLUE DOT	<<locked>>	90%	32924	89%	**21	90%
Alliant BULLSEYE	<<locked>>	63%	31908	86%	**99	100%
Alliant POWER PISTOL	<<locked>>	72%	32198	87%	**11	98%
Alliant UNIQUE	<<locked>>	73%	32372	88%	**16	100%
Baschieri & Pellagri 100	<<locked>>	69%	31995	87%	**68	100%
Hodgdon Clays	<<locked>>	65%	31488	85%	**57	100%
Hodgdon Universal	<<locked>>	67%	32532	88%	**53	100%
Hodgdon CFE Pistol	<<locked>>	70%	32996	89%	**50	100%
Hodgdon TrailBoss	<<locked>>	96%	16099	44%	**56	100%
Lovex D037.1	<<locked>>	69%	32300	87%	**14	91%
[Lovex D037.2]*	<<locked>>	77%	33170	90%	**11	85%
Lovex S020	<<locked>>	65%	31546	85%	**50	100%
Maxam CSB 1	<<locked>>	76%	32271	87%	**27	100%
Maxam CSB 2	<<locked>>	71%	31299	85%	**14	100%
Maxam CSB 3	<<locked>>	71%	32677	88%	**07	100%
Maxam CSB 4	<<locked>>	69%	32851	89%	**85	100%
Maxam CSB 5	<<locked>>	64%	31473	85%	**09	100%
[Ramshot Enforcer]*	<<locked>>	88%	31662	86%	**24	82%
ReloadSwiss RS 12	<<locked>>	64%	33112	90%	**17	100%
ReloadSwiss RS 14	<<locked>>	96%	14605	39%	**60	100%
ReloadSwiss RS 20	<<locked>>	74%	32924	89%	**12	100%
ReloadSwiss RS 24	<<locked>>	75%	32590	88%	**14	93%
Rottweil P 806	<<locked>>	80%	32634	88%	**27	100%
SNPE Vectan A0	<<locked>>	74%	31749	86%	**53	100%
SNPE Vectan BA 9	<<locked>>	68%	31937	86%	**24	100%
SNPE Vectan BA10	<<locked>>	63%	32184	87%	**89	100%
SNPE Vectan BA7 1/2 👍	<<locked>>	81%	33170	90%	**42	100%
SNPE Vectan BA9 1/2	<<locked>>	68%	31343	85%	**21	100%
SNPE Vectan SP 2	<<locked>>	68%	31676	86%	**01	98%
[Shooters World Heavy Pistol]*	<<locked>>	77%	33170	90%	**11	85%
Shooters World Major Pistol	<<locked>>	69%	32300	87%	**14	91%
Somchem MP200	<<locked>>	67%	32082	87%	**03	100%
Somchem MS200	<<locked>>	72%	33083	89%	**86	100%
Vihtavuori 3N37 👍	<<locked>>	74%	32677	88%	**49	100%
Vihtavuori 3N38	<<locked>>	85%	31647	86%	**75	93%
Vihtavuori N105	<<locked>>	93%	32721	88%	**54	97%
Vihtavuori N320	<<locked>>	66%	32256	87%	**85	100%
Vihtavuori N32C Tin Star	<<locked>>	90%	31647	86%	**96	100%
Vihtavuori N330	<<locked>>	68%	31923	86%	**34	100%
Vihtavuori N340	<<locked>>	72%	32590	88%	**80	100%
Vihtavuori N350 👍	<<locked>>	77%	32184	87%	**39	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	61%	14736	40%	**48	86%
ADI APS 350	<<locked>>	61%	28790	78%	**01	100%
ADI APS 450	<<locked>>	61%	26977	73%	**07	100%
ADI AS 30	<<locked>>	61%	26252	71%	**43	100%
ADI AS 50N	<<locked>>	61%	27775	75%	**16	100%
Accurate No. 2	<<locked>>	61%	26063	70%	**75	100%
[Accurate No. 7]*	<<locked>>	61%	23395	63%	**30	84%
[Accurate No. 9]*	<<locked>>	72%	26339	71%	**86	81%
Accurate Solo 1000	<<locked>>	61%	26687	72%	**80	100%
Accurate Solo 1250	<<locked>>	61%	23250	63%	**83	100%
[Accurate TCM]*	<<locked>>	70%	24410	66%	**44	81%
[Alliant BLUE DOT]*	<<locked>>	74%	20421	55%	**42	80%
Alliant BULLSEYE	<<locked>>	61%	29907	81%	**60	100%
Alliant POWER PISTOL	<<locked>>	61%	22510	61%	**01	93%
Alliant UNIQUE	<<locked>>	62%	23264	63%	**48	100%
Baschieri & Pellagri 100	<<locked>>	61%	25831	70%	**76	100%
Hodgdon Clays	<<locked>>	61%	29240	79%	**24	100%
Hodgdon Universal	<<locked>>	61%	26687	72%	**55	100%
Hodgdon CFE Pistol	<<locked>>	61%	25686	69%	**35	100%
Hodgdon TrailBoss	<<locked>>	61%	7469	20%	**1	100%
[Lovex D037.1]*	<<locked>>	61%	23395	63%	**30	84%
[Lovex D037.2]*	<<locked>>	72%	27064	73%	**06	81%
Lovex S020	<<locked>>	61%	27557	75%	**88	100%
Maxam CSB 1	<<locked>>	61%	21379	58%	**37	100%
Maxam CSB 2	<<locked>>	62%	23598	64%	**86	100%
Maxam CSB 3	<<locked>>	61%	24714	67%	**80	100%
Maxam CSB 4	<<locked>>	61%	26455	72%	**93	100%
Maxam CSB 5	<<locked>>	61%	29225	79%	**80	100%
[Ramshot Enforcer]*	<<locked>>	86%	28616	77%	**65	80%
ReloadSwiss RS 12	<<locked>>	61%	31038	84%	**94	100%
ReloadSwiss RS 14	<<locked>>	62%	6962	19%	**4	99%
ReloadSwiss RS 20	<<locked>>	61%	21915	59%	**16	100%
[ReloadSwiss RS 24]*	<<locked>>	61%	19682	53%	**16	83%
Rottweil P 806	<<locked>>	61%	15766	43%	**43	92%
SNPE Vectan A0	<<locked>>	61%	21509	58%	**70	100%
SNPE Vectan BA 9	<<locked>>	61%	26469	72%	**35	100%
SNPE Vectan BA10	<<locked>>	60%	30037	81%	**57	100%
SNPE Vectan BA7 1/2	<<locked>>	61%	18275	49%	**34	95%
SNPE Vectan BA9 1/2	<<locked>>	61%	25759	70%	**35	100%
SNPE Vectan SP 2	<<locked>>	61%	24831	67%	**67	96%
[Shooters World Heavy Pistol]*	<<locked>>	72%	27064	73%	**06	81%
[Shooters World Major Pistol]*	<<locked>>	61%	23395	63%	**30	84%
Somchem MP200	<<locked>>	61%	26585	72%	**07	100%
Somchem MS200	<<locked>>	61%	23830	64%	**25	100%
Vihtavuori 3N37	<<locked>>	61%	21234	57%	**29	98%
[Vihtavuori 3N38]*	<<locked>>	65%	16563	45%	**30	81%
[Vihtavuori N105]*	<<locked>>	69%	14315	39%	**01	82%
Vihtavuori N320	<<locked>>	61%	27876	75%	**19	100%
Vihtavuori N32C Tin Star	<<locked>>	60%	15316	41%	**24	100%
Vihtavuori N330	<<locked>>	61%	25744	70%	**42	100%
Vihtavuori N340	<<locked>>	61%	23192	63%	**25	100%
Vihtavuori N350	<<locked>>	61%	19102	52%	**80	97%

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.

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