Load data for .357 Magnum + .357 | 148gr | H&N WC KB Match

Recommended Powder(s): Alliant UNIQUE, ReloadSwiss RS 20, Rottweil P 806, SNPE Vectan A0, Vihtavuori N340

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.357 \| 148gr \| H&N WC KB Match
Bullet Weight:	148gr \| 9.6g
Bullet Diameter:	0.357" \| 9.07mm
Bullet Length:	0.642" \| 16.3mm
Caliber:	.357 Magnum load data
Case Length (l3):	1.290" \| 32.8mm
Cartridge Length (C.O.L.):	1.290" \| 32.8mm
Seated Depth:	0.642" \| 16.3mm
Shank Seated Depth:	0.485" \| 12.3mm
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_B7476_C513
Last updated:	2025-11-14

Load data for 132 loads in caliber .357 Magnum with .357 | 148gr | H&N WC KB Match bullet and 66 powders such as Alliant UNIQUE, ReloadSwiss RS 20, Rottweil P 806, SNPE Vectan A0, 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>>	95%	26426	61%	**42	93%
ADI AP 70N	<<locked>>	78%	38653	89%	**11	100%
ADI APS 350	<<locked>>	83%	38769	89%	**27	100%
ADI APS 450	<<locked>>	84%	38363	88%	**56	100%
ADI AS 30	<<locked>>	88%	38464	88%	**09	100%
ADI AS 50N	<<locked>>	83%	37492	86%	**42	100%
Accurate No. 2	<<locked>>	84%	38798	89%	**14	100%
Accurate No. 5	<<locked>>	69%	38189	88%	**96	98%
Accurate No. 7	<<locked>>	88%	39117	90%	**55	90%
[Accurate No. 9]*	<<locked>>	97%	38247	88%	**22	82%
Accurate Solo 1000	<<locked>>	85%	37304	86%	**15	100%
Accurate Solo 1250	<<locked>>	91%	37014	85%	**75	100%
[Accurate TCM]*	<<locked>>	96%	38247	88%	**19	84%
Alliant BULLSEYE	<<locked>>	82%	38856	89%	**57	100%
Alliant POWER PISTOL	<<locked>>	92%	38305	88%	**48	97%
Alliant Sport Pistol	<<locked>>	75%	37956	87%	**53	100%
Alliant UNIQUE 👍	<<locked>>	93%	37797	87%	**60	100%
Baschieri & Pellagri 100	<<locked>>	86%	37014	85%	**22	100%
Hodgdon Clays	<<locked>>	80%	36840	85%	**24	100%
Hodgdon HP38	<<locked>>	65%	38116	88%	**68	100%
Hodgdon HS-6	<<locked>>	76%	38174	88%	**83	99%
Hodgdon Longshot	<<locked>>	73%	38986	90%	**89	100%
Hodgdon Universal	<<locked>>	87%	38653	89%	**11	100%
Hodgdon CFE Pistol	<<locked>>	87%	37130	85%	**91	100%
Hodgdon TrailBoss	<<locked>>	96%	11182	26%	**1	100%
Lovex D036	<<locked>>	69%	38130	88%	**96	98%
Lovex D037.1	<<locked>>	88%	39117	90%	**55	90%
[Lovex D037.2]*	<<locked>>	96%	38247	88%	**22	82%
Lovex S011	<<locked>>	73%	37260	86%	**42	100%
Lovex S020	<<locked>>	84%	38740	89%	**20	100%
Maxam CSB 1	<<locked>>	96%	38566	89%	**81	100%
Maxam CSB 2	<<locked>>	94%	38725	89%	**98	100%
Maxam CSB 3	<<locked>>	89%	37304	86%	**52	100%
Maxam CSB 4	<<locked>>	86%	37217	86%	**32	100%
Maxam CSB 5	<<locked>>	81%	37608	86%	**86	100%
Ramshot Silhouette	<<locked>>	76%	37623	86%	**53	100%
Ramshot True Blue	<<locked>>	71%	37797	87%	**66	100%
Ramshot Zip	<<locked>>	66%	38870	89%	**81	100%
ReloadSwiss RS 12	<<locked>>	81%	38087	88%	**81	100%
ReloadSwiss RS 14	<<locked>>	94%	9384	22%	**2	100%
ReloadSwiss RS 20 👍	<<locked>>	94%	37521	86%	**50	100%
ReloadSwiss RS 24	<<locked>>	95%	38203	88%	**32	92%
Rottweil P 801	<<locked>>	75%	37724	87%	**45	100%
Rottweil P 806 👍	<<locked>>	97%	31444	72%	**02	99%
SNPE Vectan A0 👍	<<locked>>	96%	38885	89%	**17	100%
SNPE Vectan BA 9	<<locked>>	87%	38957	90%	**91	100%
SNPE Vectan BA10	<<locked>>	78%	38348	88%	**56	100%
SNPE Vectan BA7 1/2	<<locked>>	96%	33634	77%	**14	99%
SNPE Vectan BA9 1/2	<<locked>>	88%	38653	89%	**98	100%
SNPE Vectan SP 2	<<locked>>	89%	38609	89%	**65	98%
Shooters World Auto Pistol	<<locked>>	69%	38130	88%	**96	98%
[Shooters World Heavy Pistol]*	<<locked>>	96%	38247	88%	**22	82%
Shooters World Major Pistol	<<locked>>	88%	39117	90%	**55	90%
Somchem MP200	<<locked>>	86%	38392	88%	**50	100%
Somchem MS200	<<locked>>	90%	37536	86%	**20	100%
Somchem S221	<<locked>>	80%	38218	88%	**16	95%
Vihtavuori 3N37	<<locked>>	93%	37666	87%	**86	100%
[Vihtavuori 3N38]*	<<locked>>	95%	26774	62%	**75	87%
[Vihtavuori N105]*	<<locked>>	95%	20146	46%	**06	86%
Vihtavuori N310	<<locked>>	71%	38769	89%	**66	100%
Vihtavuori N320	<<locked>>	85%	38740	89%	**52	100%
Vihtavuori N32C Tin Star	<<locked>>	97%	26585	61%	**1	100%
Vihtavuori N330	<<locked>>	88%	38885	89%	**14	100%
Vihtavuori N340 👍	<<locked>>	91%	38101	88%	**27	100%
Vihtavuori N350	<<locked>>	97%	37898	87%	**76	100%
Winchester 231	<<locked>>	74%	38870	89%	**81	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	70%	13285	31%	**3	80%
ADI AP 70N	<<locked>>	62%	23931	55%	**40	100%
ADI APS 350	<<locked>>	61%	23656	54%	**9	100%
ADI APS 450	<<locked>>	62%	22611	52%	**6	100%
ADI AS 30	<<locked>>	62%	20813	48%	**6	100%
ADI AS 50N	<<locked>>	60%	20624	47%	**2	100%
Accurate No. 2	<<locked>>	62%	19218	44%	**1	98%
Accurate No. 5	<<locked>>	61%	28079	65%	**65	95%
[Accurate No. 7]*	<<locked>>	75%	23482	54%	**38	81%
[Accurate No. 9]*	<<locked>>	94%	34780	80%	**80	81%
Accurate Solo 1000	<<locked>>	61%	20262	47%	**9	100%
Accurate Solo 1250	<<locked>>	61%	16346	38%	**6	100%
[Accurate TCM]*	<<locked>>	91%	31430	72%	**37	81%
Alliant BULLSEYE	<<locked>>	62%	22292	51%	**43	100%
[Alliant POWER PISTOL]*	<<locked>>	61%	14881	34%	**8	82%
Alliant Sport Pistol	<<locked>>	61%	25092	58%	**89	100%
Alliant UNIQUE	<<locked>>	61%	15954	37%	**8	98%
Baschieri & Pellagri 100	<<locked>>	61%	18739	43%	**9	100%
Hodgdon Clays	<<locked>>	61%	23989	55%	**6	100%
Hodgdon HP38	<<locked>>	61%	33997	78%	**29	100%
Hodgdon HS-6	<<locked>>	61%	22669	52%	**73	95%
Hodgdon Longshot	<<locked>>	61%	25802	59%	**22	98%
Hodgdon Universal	<<locked>>	62%	19464	45%	**4	100%
Hodgdon CFE Pistol	<<locked>>	61%	17999	41%	**5	100%
Hodgdon TrailBoss	<<locked>>	78%	7745	18%	**9	100%
Lovex D036	<<locked>>	61%	28050	64%	**71	96%
[Lovex D037.1]*	<<locked>>	75%	23482	54%	**38	81%
[Lovex D037.2]*	<<locked>>	93%	34780	80%	**80	81%
Lovex S011	<<locked>>	60%	25193	58%	**10	100%
Lovex S020	<<locked>>	61%	18681	43%	**1	100%
Maxam CSB 1	<<locked>>	62%	15548	36%	**6	100%
Maxam CSB 2	<<locked>>	60%	14779	34%	**6	100%
Maxam CSB 3	<<locked>>	61%	17999	41%	**2	100%
Maxam CSB 4	<<locked>>	62%	20334	47%	**2	100%
Maxam CSB 5	<<locked>>	62%	23134	53%	**2	100%
Ramshot Silhouette	<<locked>>	61%	22931	53%	**66	99%
Ramshot True Blue	<<locked>>	61%	26252	60%	**25	98%
Ramshot Zip	<<locked>>	61%	32750	75%	**22	100%
ReloadSwiss RS 12	<<locked>>	61%	21089	48%	**1	100%
ReloadSwiss RS 14	<<locked>>	81%	7237	17%	**9	98%
ReloadSwiss RS 20	<<locked>>	61%	14214	33%	**2	98%
[ReloadSwiss RS 24]*	<<locked>>	73%	19638	45%	**47	80%
Rottweil P 801	<<locked>>	61%	24410	56%	**04	100%
[Rottweil P 806]*	<<locked>>	66%	9993	23%	**6	81%
SNPE Vectan A0	<<locked>>	62%	15780	36%	**2	97%
SNPE Vectan BA 9	<<locked>>	61%	19218	44%	**8	100%
SNPE Vectan BA10	<<locked>>	60%	24395	56%	**9	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	62%	12966	30%	**0	87%
SNPE Vectan BA9 1/2	<<locked>>	61%	18391	42%	**5	100%
[SNPE Vectan SP 2]*	<<locked>>	60%	14446	33%	**1	84%
Shooters World Auto Pistol	<<locked>>	61%	28050	64%	**71	96%
[Shooters World Heavy Pistol]*	<<locked>>	93%	34780	80%	**80	81%
[Shooters World Major Pistol]*	<<locked>>	75%	23482	54%	**38	81%
Somchem MP200	<<locked>>	62%	19058	44%	**8	98%
Somchem MS200	<<locked>>	61%	16984	39%	**2	99%
[Somchem S221]*	<<locked>>	60%	19087	44%	**20	83%
Vihtavuori 3N37	<<locked>>	61%	13779	32%	**2	90%
[Vihtavuori 3N38]*	<<locked>>	84%	19377	45%	**40	81%
[Vihtavuori N105]*	<<locked>>	88%	15983	37%	**10	81%
Vihtavuori N310	<<locked>>	60%	29211	67%	**8	100%
Vihtavuori N320	<<locked>>	60%	18956	44%	**5	100%
Vihtavuori N32C Tin Star	<<locked>>	62%	10921	25%	**5	100%
Vihtavuori N330	<<locked>>	61%	17143	39%	**5	100%
Vihtavuori N340	<<locked>>	62%	16462	38%	**8	98%
[Vihtavuori N350]*	<<locked>>	60%	12372	28%	**0	88%
Winchester 231	<<locked>>	62%	27369	63%	**60	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