Load data for .357 Magnum + .357 | 158gr | H&N SWC KB

Recommended Powder(s):

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.357 \| 158gr \| H&N SWC KB
Bullet Weight:	158gr \| 10.2g
Bullet Diameter:	0.357" \| 9.07mm
Bullet Length:	0.689" \| 17.5mm
Caliber:	.357 Magnum load data
Case Length (l3):	1.290" \| 32.8mm
Cartridge Length (C.O.L.):	1.566" \| 39.8mm
Seated Depth:	0.413" \| 10.5mm
Shank Seated Depth:	0.413" \| 10.5mm
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_B7485_C513
Last updated:	2026-01-20

Load data for 128 loads in caliber .357 Magnum with .357 | 158gr | H&N SWC KB bullet and 64 powder(s). 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%	35157	81%	**89	99%
ADI AP 70N	<<locked>>	70%	38667	89%	**24	100%
ADI APS 350	<<locked>>	76%	38319	88%	**53	100%
ADI APS 450	<<locked>>	78%	38769	89%	**83	100%
ADI AS 30	<<locked>>	79%	37840	87%	**19	100%
ADI AS 50N	<<locked>>	76%	38334	88%	**61	100%
Accurate No. 2	<<locked>>	75%	37275	86%	**27	100%
Accurate No. 7	<<locked>>	78%	37898	87%	**85	93%
[Accurate No. 9]*	<<locked>>	86%	37840	87%	**65	87%
Accurate Solo 1000	<<locked>>	78%	38000	87%	**42	100%
Accurate Solo 1250	<<locked>>	83%	38493	88%	**01	100%
[Accurate TCM]*	<<locked>>	87%	38319	88%	**71	89%
[Alliant 2400]*	<<locked>>	97%	35766	82%	**62	83%
Alliant BLUE DOT	<<locked>>	96%	33779	78%	**19	91%
Alliant BULLSEYE	<<locked>>	73%	38827	89%	**73	100%
Alliant POWER PISTOL	<<locked>>	82%	38145	88%	**71	99%
Alliant Sport Pistol	<<locked>>	69%	39146	90%	**86	100%
Alliant UNIQUE	<<locked>>	84%	38812	89%	**80	100%
Baschieri & Pellagri 100	<<locked>>	79%	38885	89%	**55	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	96%	36245	83%	**45	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	75%	38957	90%	**78	100%
Hodgdon Clays	<<locked>>	76%	39073	90%	**66	100%
Hodgdon HS-6	<<locked>>	68%	38682	89%	**16	100%
Hodgdon Longshot	<<locked>>	65%	38348	88%	**06	100%
Hodgdon Universal	<<locked>>	77%	38667	89%	**24	100%
Hodgdon CFE Pistol	<<locked>>	80%	38986	90%	**24	100%
Lovex D037.1	<<locked>>	78%	37898	87%	**85	93%
[Lovex D037.2]*	<<locked>>	85%	37840	87%	**65	87%
Lovex S011	<<locked>>	68%	39131	90%	**81	100%
Lovex S020	<<locked>>	75%	37666	87%	**24	100%
Maxam CSB 1	<<locked>>	86%	37739	87%	**91	100%
Maxam CSB 2	<<locked>>	83%	38827	89%	**04	100%
Maxam CSB 3	<<locked>>	80%	37637	86%	**68	100%
Maxam CSB 4	<<locked>>	78%	38116	88%	**55	100%
Maxam CSB 5	<<locked>>	73%	37289	86%	**99	100%
[Ramshot Enforcer]*	<<locked>>	96%	34389	79%	**52	84%
Ramshot Silhouette	<<locked>>	69%	38508	88%	**76	100%
Ramshot True Blue	<<locked>>	64%	38798	89%	**06	100%
ReloadSwiss RS 12	<<locked>>	73%	38740	89%	**91	100%
ReloadSwiss RS 20	<<locked>>	84%	38101	88%	**66	100%
ReloadSwiss RS 24	<<locked>>	85%	38464	88%	**75	96%
Rottweil P 801	<<locked>>	68%	38203	88%	**58	100%
Rottweil P 806 👍	<<locked>>	90%	38711	89%	**01	100%
SNPE Vectan A0	<<locked>>	86%	38667	89%	**37	100%
SNPE Vectan BA 9	<<locked>>	78%	38522	89%	**04	100%
SNPE Vectan BA10	<<locked>>	73%	38754	89%	**83	100%
SNPE Vectan BA7 1/2 👍	<<locked>>	90%	37768	87%	**83	100%
SNPE Vectan BA9 1/2	<<locked>>	78%	37666	87%	**01	100%
SNPE Vectan SP 2	<<locked>>	78%	38566	89%	**85	100%
[Shooters World Heavy Pistol]*	<<locked>>	85%	37840	87%	**65	87%
Shooters World Major Pistol	<<locked>>	78%	37898	87%	**85	93%
Somchem MP200	<<locked>>	76%	38203	88%	**63	100%
Somchem MS200	<<locked>>	81%	38130	88%	**47	100%
Somchem S221	<<locked>>	72%	38740	89%	**58	98%
Vihtavuori 3N37 👍	<<locked>>	84%	39146	90%	**22	100%
Vihtavuori 3N38	<<locked>>	96%	38450	88%	**58	96%
Vihtavuori N105	<<locked>>	96%	29907	69%	**09	97%
Vihtavuori N310	<<locked>>	65%	39131	90%	**89	100%
Vihtavuori N320	<<locked>>	75%	37753	87%	**52	100%
Vihtavuori N32C Tin Star	<<locked>>	95%	32343	74%	**37	100%
Vihtavuori N330	<<locked>>	78%	38711	89%	**20	100%
Vihtavuori N340	<<locked>>	82%	38450	88%	**47	100%
Vihtavuori N350 👍	<<locked>>	86%	37884	87%	**96	100%
Winchester 231	<<locked>>	66%	38072	88%	**91	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	64%	14562	33%	**2	87%
ADI AP 70N	<<locked>>	60%	29327	67%	**22	100%
ADI APS 350	<<locked>>	60%	26368	61%	**2	100%
ADI APS 450	<<locked>>	61%	25976	60%	**5	100%
ADI AS 30	<<locked>>	62%	24932	57%	**4	100%
ADI AS 50N	<<locked>>	61%	25657	59%	**20	100%
Accurate No. 2	<<locked>>	62%	24163	56%	**70	100%
[Accurate No. 7]*	<<locked>>	61%	20102	46%	**96	82%
[Accurate No. 9]*	<<locked>>	76%	25947	60%	**94	80%
Accurate Solo 1000	<<locked>>	62%	25309	58%	**7	100%
Accurate Solo 1250	<<locked>>	61%	20740	48%	**8	100%
[Accurate TCM]*	<<locked>>	73%	23351	54%	**48	80%
[Alliant 2400]*	<<locked>>	91%	29791	68%	**80	80%
[Alliant BLUE DOT]*	<<locked>>	77%	19638	45%	**70	80%
Alliant BULLSEYE	<<locked>>	62%	27760	64%	**42	100%
Alliant POWER PISTOL	<<locked>>	61%	20030	46%	**79	91%
Alliant Sport Pistol	<<locked>>	61%	31270	72%	**91	100%
Alliant UNIQUE	<<locked>>	62%	21002	48%	**43	100%
Baschieri & Pellagri 100	<<locked>>	61%	23322	54%	**1	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	70%	18507	43%	**2	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	61%	25251	58%	**30	100%
Hodgdon Clays	<<locked>>	60%	26774	62%	**5	100%
Hodgdon HS-6	<<locked>>	61%	30574	70%	**17	100%
Hodgdon Longshot	<<locked>>	61%	33910	78%	**50	100%
Hodgdon Universal	<<locked>>	62%	25150	58%	**63	100%
Hodgdon CFE Pistol	<<locked>>	60%	22611	52%	**27	100%
[Lovex D037.1]*	<<locked>>	61%	20102	46%	**96	82%
[Lovex D037.2]*	<<locked>>	75%	25947	60%	**94	80%
Lovex S011	<<locked>>	60%	30748	71%	**93	100%
Lovex S020	<<locked>>	60%	23844	55%	**63	100%
Maxam CSB 1	<<locked>>	61%	19856	46%	**8	100%
Maxam CSB 2	<<locked>>	62%	21147	49%	**01	100%
Maxam CSB 3	<<locked>>	61%	22684	52%	**1	100%
Maxam CSB 4	<<locked>>	61%	24076	55%	**4	100%
Maxam CSB 5	<<locked>>	61%	27311	63%	**1	100%
[Ramshot Enforcer]*	<<locked>>	91%	28413	65%	**70	80%
Ramshot Silhouette	<<locked>>	61%	29950	69%	**81	100%
Ramshot True Blue	<<locked>>	61%	34592	80%	**57	100%
ReloadSwiss RS 12	<<locked>>	61%	27557	63%	**73	100%
ReloadSwiss RS 20	<<locked>>	61%	19043	44%	**17	100%
[ReloadSwiss RS 24]*	<<locked>>	62%	17811	41%	**30	83%
Rottweil P 801	<<locked>>	61%	31836	73%	**89	100%
Rottweil P 806	<<locked>>	61%	12749	29%	**5	90%
SNPE Vectan A0	<<locked>>	60%	19189	44%	**8	100%
SNPE Vectan BA 9	<<locked>>	60%	23438	54%	**27	100%
SNPE Vectan BA10	<<locked>>	61%	28964	67%	**1	100%
SNPE Vectan BA7 1/2	<<locked>>	62%	16708	38%	**8	95%
SNPE Vectan BA9 1/2	<<locked>>	61%	23511	54%	**37	100%
SNPE Vectan SP 2	<<locked>>	60%	20885	48%	**12	94%
[Shooters World Heavy Pistol]*	<<locked>>	75%	25947	60%	**94	80%
[Shooters World Major Pistol]*	<<locked>>	61%	20102	46%	**96	82%
Somchem MP200	<<locked>>	61%	24555	56%	**99	100%
Somchem MS200	<<locked>>	61%	21683	50%	**33	100%
Somchem S221	<<locked>>	61%	26542	61%	**88	93%
Vihtavuori 3N37	<<locked>>	61%	19102	44%	**33	97%
[Vihtavuori 3N38]*	<<locked>>	66%	15142	35%	**5	81%
[Vihtavuori N105]*	<<locked>>	69%	12502	29%	**2	80%
Vihtavuori N310	<<locked>>	61%	35273	81%	**53	100%
Vihtavuori N320	<<locked>>	60%	24482	56%	**07	100%
Vihtavuori N32C Tin Star	<<locked>>	80%	22974	53%	**2	100%
Vihtavuori N330	<<locked>>	61%	23148	53%	**40	100%
Vihtavuori N340	<<locked>>	62%	21234	49%	**27	100%
Vihtavuori N350	<<locked>>	61%	16940	39%	**8	96%
Winchester 231	<<locked>>	61%	33257	76%	**42	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