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

Recommended Powder(s): Alliant POWER PISTOL, Rottweil P 806, SNPE Vectan BA7 1/2, SNPE Vectan SP 2

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 Auto Magnum load data
Case Length (l3):	1.299" \| 33.0mm
Cartridge Length (C.O.L.):	1.299" \| 33.0mm
Seated Depth:	0.642" \| 16.3mm
Shank Seated Depth:	0.485" \| 12.3mm
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_B7476_C511
Last updated:	2025-11-15

Load data for 106 loads in caliber .357 Auto Magnum with .357 | 148gr | H&N WC KB Match bullet and 53 powders such as Alliant POWER PISTOL, Rottweil P 806, SNPE Vectan BA7 1/2, SNPE Vectan SP 2. 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>>	86%	32387	88%	**11	99%
ADI APS 350	<<locked>>	64%	31183	84%	**06	100%
ADI APS 450	<<locked>>	68%	33098	90%	**61	100%
ADI AS 30	<<locked>>	67%	31502	85%	**84	100%
ADI AS 50N	<<locked>>	63%	31270	85%	**24	100%
Accurate No. 2	<<locked>>	65%	31705	86%	**16	100%
Accurate No. 7	<<locked>>	69%	33025	89%	**86	93%
[Accurate No. 9]*	<<locked>>	77%	32924	89%	**70	88%
Accurate Solo 1000	<<locked>>	67%	32227	87%	**24	100%
Accurate Solo 1250	<<locked>>	71%	32358	88%	**80	100%
[Accurate TCM]*	<<locked>>	76%	32793	89%	**67	89%
[Alliant 2400]*	<<locked>>	86%	32518	88%	**83	84%
Alliant BLUE DOT	<<locked>>	87%	31546	85%	**50	92%
Alliant BULLSEYE	<<locked>>	63%	33141	90%	**58	100%
Alliant POWER PISTOL 👍	<<locked>>	71%	32460	88%	**60	99%
Alliant UNIQUE	<<locked>>	71%	32111	87%	**55	100%
Baschieri & Pellagri 100	<<locked>>	69%	32924	89%	**37	100%
Hodgdon Clays	<<locked>>	64%	31908	86%	**29	100%
Hodgdon Universal	<<locked>>	66%	32880	89%	**99	100%
Hodgdon CFE Pistol	<<locked>>	68%	32967	89%	**99	100%
Hodgdon TrailBoss	<<locked>>	95%	16723	45%	**5	100%
Lovex D037.1	<<locked>>	69%	33025	89%	**86	93%
[Lovex D037.2]*	<<locked>>	76%	32924	89%	**70	88%
Lovex S020	<<locked>>	64%	30980	84%	**96	100%
Maxam CSB 1	<<locked>>	75%	32663	88%	**80	100%
Maxam CSB 2	<<locked>>	71%	32822	89%	**83	100%
Maxam CSB 3	<<locked>>	70%	32474	88%	**53	100%
Maxam CSB 4	<<locked>>	67%	32155	87%	**30	100%
Maxam CSB 5	<<locked>>	64%	32518	88%	**84	100%
[Ramshot Enforcer]*	<<locked>>	87%	31647	86%	**90	85%
ReloadSwiss RS 14	<<locked>>	94%	14591	39%	**8	100%
ReloadSwiss RS 20	<<locked>>	73%	33141	90%	**55	100%
ReloadSwiss RS 24	<<locked>>	73%	32314	87%	**50	95%
Rottweil P 806 👍	<<locked>>	79%	33199	90%	**80	100%
SNPE Vectan A0	<<locked>>	74%	32532	88%	**16	100%
SNPE Vectan BA 9	<<locked>>	66%	31575	85%	**70	100%
SNPE Vectan BA10	<<locked>>	63%	33098	89%	**58	100%
SNPE Vectan BA7 1/2 👍	<<locked>>	79%	32605	88%	**81	100%
SNPE Vectan BA9 1/2	<<locked>>	68%	32822	89%	**93	100%
SNPE Vectan SP 2 👍	<<locked>>	66%	31415	85%	**40	99%
[Shooters World Heavy Pistol]*	<<locked>>	76%	32924	89%	**70	88%
Shooters World Major Pistol	<<locked>>	69%	33025	89%	**86	93%
Somchem MP200	<<locked>>	66%	32126	87%	**42	100%
Somchem MS200	<<locked>>	69%	31604	85%	**16	100%
Somchem S221	<<locked>>	62%	32866	89%	**40	98%
Vihtavuori 3N37	<<locked>>	72%	32010	87%	**88	100%
Vihtavuori 3N38	<<locked>>	83%	31575	85%	**34	95%
Vihtavuori N105	<<locked>>	89%	31314	85%	**70	98%
Vihtavuori N320	<<locked>>	64%	31691	86%	**30	100%
Vihtavuori N32C Tin Star	<<locked>>	90%	32982	89%	**71	100%
Vihtavuori N330	<<locked>>	67%	32285	87%	**93	100%
Vihtavuori N340	<<locked>>	70%	32387	88%	**25	100%
Vihtavuori N350	<<locked>>	74%	31227	84%	**71	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	61%	15432	42%	**60	89%
ADI APS 350	<<locked>>	60%	28805	78%	**76	100%
ADI APS 450	<<locked>>	62%	28427	77%	**99	100%
ADI AS 30	<<locked>>	61%	26818	73%	**19	100%
ADI AS 50N	<<locked>>	61%	28964	78%	**94	100%
Accurate No. 2	<<locked>>	61%	26948	73%	**43	100%
[Accurate No. 7]*	<<locked>>	61%	24584	66%	**29	88%
[Accurate No. 9]*	<<locked>>	67%	23351	63%	**89	81%
Accurate Solo 1000	<<locked>>	61%	27514	74%	**58	100%
Accurate Solo 1250	<<locked>>	60%	23685	64%	**55	100%
[Accurate TCM]*	<<locked>>	64%	20711	56%	**30	80%
[Alliant 2400]*	<<locked>>	81%	27485	74%	**88	81%
[Alliant BLUE DOT]*	<<locked>>	69%	18507	50%	**75	81%
Alliant BULLSEYE	<<locked>>	61%	30763	83%	**25	100%
Alliant POWER PISTOL	<<locked>>	61%	23380	63%	**83	95%
Alliant UNIQUE	<<locked>>	61%	24047	65%	**24	100%
Baschieri & Pellagri 100	<<locked>>	60%	26136	71%	**45	100%
Hodgdon Clays	<<locked>>	60%	29312	79%	**93	100%
Hodgdon Universal	<<locked>>	61%	28384	77%	**43	100%
Hodgdon CFE Pistol	<<locked>>	61%	26818	72%	**17	100%
Hodgdon TrailBoss	<<locked>>	62%	8079	22%	**8	100%
[Lovex D037.1]*	<<locked>>	61%	24584	66%	**29	88%
[Lovex D037.2]*	<<locked>>	67%	23351	63%	**89	81%
Lovex S020	<<locked>>	61%	28834	78%	**60	100%
Maxam CSB 1	<<locked>>	61%	22495	61%	**32	100%
Maxam CSB 2	<<locked>>	61%	24178	65%	**58	100%
Maxam CSB 3	<<locked>>	61%	25860	70%	**65	100%
Maxam CSB 4	<<locked>>	61%	27485	74%	**65	100%
Maxam CSB 5	<<locked>>	61%	30095	81%	**52	100%
[Ramshot Enforcer]*	<<locked>>	80%	25077	68%	**65	80%
ReloadSwiss RS 14	<<locked>>	61%	7107	19%	**2	100%
ReloadSwiss RS 20	<<locked>>	61%	22916	62%	**01	100%
[ReloadSwiss RS 24]*	<<locked>>	61%	21118	57%	**37	88%
Rottweil P 806	<<locked>>	61%	17027	46%	**68	96%
SNPE Vectan A0	<<locked>>	61%	22887	62%	**68	100%
SNPE Vectan BA 9	<<locked>>	61%	27485	74%	**17	100%
SNPE Vectan BA10	<<locked>>	60%	30705	83%	**32	100%
SNPE Vectan BA7 1/2	<<locked>>	61%	19392	52%	**42	98%
SNPE Vectan BA9 1/2	<<locked>>	61%	26469	72%	**07	100%
SNPE Vectan SP 2	<<locked>>	61%	25788	70%	**48	98%
[Shooters World Heavy Pistol]*	<<locked>>	67%	23351	63%	**89	81%
[Shooters World Major Pistol]*	<<locked>>	61%	24584	66%	**29	88%
Somchem MP200	<<locked>>	61%	28079	76%	**80	100%
Somchem MS200	<<locked>>	62%	25512	69%	**24	100%
Somchem S221	<<locked>>	61%	31053	84%	**14	97%
Vihtavuori 3N37	<<locked>>	61%	22742	61%	**30	100%
[Vihtavuori 3N38]*	<<locked>>	61%	15432	42%	**86	83%
[Vihtavuori N105]*	<<locked>>	63%	12386	33%	**30	82%
Vihtavuori N320	<<locked>>	62%	29341	79%	**94	100%
Vihtavuori N32C Tin Star	<<locked>>	61%	16462	45%	**5	100%
Vihtavuori N330	<<locked>>	62%	27688	75%	**34	100%
Vihtavuori N340	<<locked>>	61%	24062	65%	**04	100%
Vihtavuori N350	<<locked>>	61%	20247	55%	**81	99%

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