Load data for .357 Magnum + .358 | 158gr | Speer LSWC

Recommended Powder(s): ADI AP 100, SNPE Vectan BA7 1/2, Vihtavuori 3N37, Vihtavuori N350

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.358 \| 158gr \| Speer LSWC
Manufacturer SKU:	4623
Bullet Weight:	158gr \| 10.2g
Bullet Diameter:	0.358" \| 9.09mm
Bullet Length:	0.660" \| 16.8mm
Caliber:	.357 Magnum load data
Case Length (l3):	1.290" \| 32.8mm
Cartridge Length (C.O.L.):	1.566" \| 39.8mm
Seated Depth:	0.384" \| 9.7mm
Shank Seated Depth:	0.384" \| 9.7mm
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_B6234_C513
Last updated:	2025-02-02

Load data for 114 loads in caliber .357 Magnum with .358 | 158gr | Speer LSWC bullet and 57 powders such as ADI AP 100, 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>>	95%	35404	81%	**02	99%
ADI AP 70N	<<locked>>	67%	36347	84%	**11	100%
ADI AS 30	<<locked>>	78%	37376	86%	**19	100%
ADI AS 50N	<<locked>>	73%	36187	83%	**52	100%
Accurate No. 2	<<locked>>	73%	36376	84%	**30	100%
Accurate No. 7	<<locked>>	76%	37391	86%	**91	94%
[Accurate No. 9]*	<<locked>>	85%	37231	86%	**78	88%
Accurate Solo 1000	<<locked>>	76%	37492	86%	**48	100%
Accurate Solo 1250	<<locked>>	80%	36158	83%	**91	100%
Accurate TCM	<<locked>>	86%	38986	90%	**94	90%
[Alliant 2400]*	<<locked>>	97%	37884	87%	**07	85%
Alliant BULLSEYE	<<locked>>	70%	36593	84%	**57	100%
Alliant POWER PISTOL	<<locked>>	80%	37144	85%	**75	99%
Alliant UNIQUE	<<locked>>	80%	36521	84%	**66	100%
Baschieri & Pellagri 100	<<locked>>	76%	36405	84%	**42	100%
Hodgdon Clays	<<locked>>	75%	38667	89%	**73	100%
Hodgdon HS-6	<<locked>>	67%	38928	89%	**29	100%
Hodgdon Longshot	<<locked>>	63%	37318	86%	**99	100%
Hodgdon Universal	<<locked>>	74%	36347	84%	**11	100%
Hodgdon TrailBoss	<<locked>>	91%	13677	31%	**7	100%
Lovex D037.1	<<locked>>	76%	37391	86%	**91	94%
[Lovex D037.2]*	<<locked>>	85%	38508	88%	**88	88%
Lovex S011	<<locked>>	67%	38595	89%	**88	100%
Lovex S020	<<locked>>	73%	36927	85%	**27	100%
Maxam CSB 1	<<locked>>	86%	38638	89%	**07	100%
Maxam CSB 2	<<locked>>	82%	38218	88%	**07	100%
Maxam CSB 3	<<locked>>	79%	37043	85%	**71	100%
Maxam CSB 4	<<locked>>	77%	37681	87%	**58	100%
Maxam CSB 5	<<locked>>	72%	37043	85%	**09	100%
[Ramshot Enforcer]*	<<locked>>	96%	36274	83%	**91	85%
Ramshot Silhouette	<<locked>>	68%	38957	90%	**93	100%
Ramshot True Blue	<<locked>>	63%	39088	90%	**19	100%
ReloadSwiss RS 12	<<locked>>	71%	38377	88%	**94	100%
ReloadSwiss RS 14	<<locked>>	92%	12517	29%	**4	100%
ReloadSwiss RS 20	<<locked>>	83%	38870	89%	**76	100%
ReloadSwiss RS 24	<<locked>>	82%	37028	85%	**68	96%
Rottweil P 801	<<locked>>	66%	37840	87%	**58	100%
Rottweil P 806	<<locked>>	89%	38450	88%	**04	100%
SNPE Vectan A0	<<locked>>	84%	37681	87%	**40	100%
SNPE Vectan BA 9	<<locked>>	76%	37782	87%	**07	100%
SNPE Vectan BA10	<<locked>>	72%	38247	88%	**93	100%
SNPE Vectan BA7 1/2 👍	<<locked>>	89%	38116	88%	**96	100%
SNPE Vectan BA9 1/2	<<locked>>	77%	37144	85%	**07	100%
[Shooters World Heavy Pistol]*	<<locked>>	85%	38508	88%	**88	88%
Shooters World Major Pistol	<<locked>>	76%	37391	86%	**91	94%
Somchem MP200	<<locked>>	75%	37391	86%	**73	100%
Somchem MS200	<<locked>>	81%	39088	90%	**63	100%
Somchem S221	<<locked>>	71%	38696	89%	**65	98%
Vihtavuori 3N37 👍	<<locked>>	81%	36419	84%	**02	100%
Vihtavuori 3N38	<<locked>>	95%	38130	88%	**71	97%
Vihtavuori N105	<<locked>>	96%	31415	72%	**32	98%
Vihtavuori N320	<<locked>>	76%	39059	90%	**75	100%
Vihtavuori N32C Tin Star	<<locked>>	95%	33344	77%	**56	100%
Vihtavuori N330	<<locked>>	75%	36245	83%	**07	100%
Vihtavuori N340	<<locked>>	80%	37608	86%	**47	100%
Vihtavuori N350 👍	<<locked>>	84%	36709	84%	**99	100%
Winchester 231	<<locked>>	64%	37405	86%	**91	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	61%	13793	32%	**2	86%
ADI AP 70N	<<locked>>	61%	30385	70%	**42	100%
ADI AS 30	<<locked>>	61%	25077	58%	**8	100%
ADI AS 50N	<<locked>>	62%	27209	63%	**50	100%
Accurate No. 2	<<locked>>	61%	24033	55%	**73	100%
[Accurate No. 7]*	<<locked>>	61%	20363	47%	**09	83%
[Accurate No. 9]*	<<locked>>	75%	25846	59%	**04	81%
Accurate Solo 1000	<<locked>>	61%	25367	58%	**07	100%
Accurate Solo 1250	<<locked>>	62%	22046	51%	**14	100%
[Accurate TCM]*	<<locked>>	72%	23424	54%	**61	81%
[Alliant 2400]*	<<locked>>	90%	30661	70%	**99	81%
Alliant BULLSEYE	<<locked>>	61%	27659	64%	**45	100%
Alliant POWER PISTOL	<<locked>>	61%	20711	48%	**06	92%
Alliant UNIQUE	<<locked>>	61%	21060	48%	**53	100%
Baschieri & Pellagri 100	<<locked>>	62%	24613	57%	**07	100%
Hodgdon Clays	<<locked>>	62%	28529	66%	**5	100%
Hodgdon HS-6	<<locked>>	61%	30980	71%	**34	100%
Hodgdon Longshot	<<locked>>	61%	34519	79%	**70	100%
Hodgdon Universal	<<locked>>	61%	25092	58%	**70	100%
Hodgdon TrailBoss	<<locked>>	66%	7890	18%	**9	100%
[Lovex D037.1]*	<<locked>>	61%	20363	47%	**09	83%
[Lovex D037.2]*	<<locked>>	73%	24918	57%	**91	80%
Lovex S011	<<locked>>	61%	31995	74%	**19	100%
Lovex S020	<<locked>>	61%	24990	57%	**86	100%
Maxam CSB 1	<<locked>>	61%	19870	46%	**1	100%
Maxam CSB 2	<<locked>>	61%	21248	49%	**04	100%
Maxam CSB 3	<<locked>>	61%	22800	52%	**01	100%
Maxam CSB 4	<<locked>>	62%	25512	59%	**20	100%
Maxam CSB 5	<<locked>>	60%	27441	63%	**01	100%
[Ramshot Enforcer]*	<<locked>>	90%	28935	66%	**89	81%
Ramshot Silhouette	<<locked>>	61%	30676	71%	**94	100%
Ramshot True Blue	<<locked>>	61%	36216	83%	**89	100%
ReloadSwiss RS 12	<<locked>>	62%	28993	67%	**96	100%
ReloadSwiss RS 14	<<locked>>	68%	7382	17%	**6	100%
ReloadSwiss RS 20	<<locked>>	61%	20131	46%	**40	100%
[ReloadSwiss RS 24]*	<<locked>>	61%	18289	42%	**47	84%
Rottweil P 801	<<locked>>	60%	31676	73%	**96	100%
Rottweil P 806	<<locked>>	61%	13909	32%	**8	91%
SNPE Vectan A0	<<locked>>	61%	20204	46%	**04	100%
SNPE Vectan BA 9	<<locked>>	61%	24453	56%	**50	100%
SNPE Vectan BA10	<<locked>>	60%	28950	67%	**8	100%
SNPE Vectan BA7 1/2	<<locked>>	60%	16621	38%	**5	95%
SNPE Vectan BA9 1/2	<<locked>>	60%	23525	54%	**40	100%
[Shooters World Heavy Pistol]*	<<locked>>	73%	24918	57%	**91	80%
[Shooters World Major Pistol]*	<<locked>>	61%	20363	47%	**09	83%
Somchem MP200	<<locked>>	60%	24236	56%	**96	100%
Somchem MS200	<<locked>>	61%	22814	52%	**60	100%
Somchem S221	<<locked>>	61%	26847	62%	**01	94%
Vihtavuori 3N37	<<locked>>	62%	19899	46%	**53	98%
[Vihtavuori 3N38]*	<<locked>>	66%	15606	36%	**1	82%
[Vihtavuori N105]*	<<locked>>	69%	12908	30%	**1	81%
Vihtavuori N320	<<locked>>	61%	26005	60%	**33	100%
Vihtavuori N32C Tin Star	<<locked>>	61%	14707	34%	**0	100%
Vihtavuori N330	<<locked>>	62%	24381	56%	**63	100%
Vihtavuori N340	<<locked>>	61%	21263	49%	**37	100%
Vihtavuori N350	<<locked>>	61%	17753	41%	**10	97%
Winchester 231	<<locked>>	61%	34301	79%	**61	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