Load data for .357 Magnum + .357 | 158gr | LOS SWC

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:	.357 \| 158gr \| LOS SWC
Bullet Weight:	158gr \| 10.2g
Bullet Diameter:	0.357" \| 9.07mm
Bullet Length:	0.681" \| 17.3mm
Caliber:	.357 Magnum load data
Case Length (l3):	1.290" \| 32.8mm
Cartridge Length (C.O.L.):	1.566" \| 39.8mm
Seated Depth:	0.405" \| 10.3mm
Shank Seated Depth:	0.405" \| 10.3mm
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_B3514_C513
Last updated:	2025-02-02

Load data for 0 loads in caliber .357 Magnum with .357 | 158gr | LOS SWC bullet and 0 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.

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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%	37681	87%	**19	99%
ADI AP 70N	<<locked>>	67%	38783	89%	**14	100%
ADI APS 350	<<locked>>	75%	38653	89%	**50	100%
ADI APS 450	<<locked>>	77%	39001	90%	**86	100%
ADI AS 30	<<locked>>	76%	37318	86%	**02	100%
ADI AS 50N	<<locked>>	73%	38218	88%	**55	100%
Accurate No. 2	<<locked>>	74%	38072	88%	**27	100%
Accurate No. 7	<<locked>>	76%	38087	88%	**75	93%
[Accurate No. 9]*	<<locked>>	84%	38058	87%	**65	88%
Accurate Solo 1000	<<locked>>	77%	38609	89%	**45	100%
Accurate Solo 1250	<<locked>>	80%	37913	87%	**88	100%
[Accurate TCM]*	<<locked>>	84%	38406	88%	**71	89%
[Alliant 2400]*	<<locked>>	96%	38725	89%	**94	85%
Alliant BLUE DOT	<<locked>>	96%	36477	84%	**52	92%
Alliant BULLSEYE	<<locked>>	71%	38000	87%	**60	100%
Alliant POWER PISTOL	<<locked>>	80%	38014	87%	**68	99%
Alliant Sport Pistol	<<locked>>	66%	38363	88%	**63	100%
Alliant UNIQUE	<<locked>>	81%	38841	89%	**73	100%
Baschieri & Pellagri 100	<<locked>>	77%	38261	88%	**42	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	96%	39015	90%	**65	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	73%	38943	89%	**71	100%
Hodgdon Clays	<<locked>>	73%	37521	86%	**50	100%
Hodgdon HS-6	<<locked>>	66%	38392	88%	**09	100%
Hodgdon Longshot	<<locked>>	63%	38232	88%	**99	100%
Hodgdon Universal	<<locked>>	75%	38783	89%	**14	100%
Hodgdon CFE Pistol	<<locked>>	77%	38812	89%	**14	100%
Hodgdon TrailBoss	<<locked>>	97%	17100	39%	**3	100%
Lovex D037.1	<<locked>>	76%	38087	88%	**75	93%
[Lovex D037.2]*	<<locked>>	83%	38058	87%	**65	88%
Lovex S011	<<locked>>	66%	38145	88%	**65	100%
Lovex S020	<<locked>>	72%	37637	86%	**17	100%
Maxam CSB 1	<<locked>>	85%	38653	89%	**98	100%
Maxam CSB 2	<<locked>>	81%	38957	90%	**98	100%
Maxam CSB 3	<<locked>>	79%	38450	88%	**75	100%
Maxam CSB 4	<<locked>>	77%	38972	90%	**58	100%
Maxam CSB 5	<<locked>>	72%	38290	88%	**06	100%
[Ramshot Enforcer]*	<<locked>>	97%	39015	90%	**14	86%
Ramshot Silhouette	<<locked>>	66%	38029	87%	**66	100%
ReloadSwiss RS 12	<<locked>>	68%	37536	86%	**65	100%
ReloadSwiss RS 14	<<locked>>	95%	15389	35%	**3	100%
ReloadSwiss RS 20	<<locked>>	81%	37782	87%	**57	100%
ReloadSwiss RS 24	<<locked>>	83%	38464	88%	**71	96%
Rottweil P 801	<<locked>>	65%	38653	89%	**48	100%
Rottweil P 806	<<locked>>	87%	38769	89%	**85	100%
SNPE Vectan A0	<<locked>>	83%	37942	87%	**20	100%
SNPE Vectan BA 9	<<locked>>	75%	37637	86%	**91	100%
SNPE Vectan BA10	<<locked>>	72%	38986	90%	**86	100%
SNPE Vectan BA7 1/2 👍	<<locked>>	89%	38725	89%	**93	100%
SNPE Vectan BA9 1/2	<<locked>>	77%	38972	90%	**11	100%
SNPE Vectan SP 2 👍	<<locked>>	75%	37913	87%	**65	100%
[Shooters World Heavy Pistol]*	<<locked>>	83%	38058	87%	**65	88%
Shooters World Major Pistol	<<locked>>	76%	38087	88%	**75	93%
Somchem MP200	<<locked>>	74%	38043	87%	**57	100%
Somchem MS200	<<locked>>	78%	37840	87%	**27	100%
Somchem S221	<<locked>>	69%	37884	87%	**39	98%
Vihtavuori 3N37 👍	<<locked>>	82%	38957	90%	**09	100%
Vihtavuori 3N38	<<locked>>	94%	38537	89%	**58	96%
Vihtavuori N105	<<locked>>	96%	33199	76%	**45	98%
Vihtavuori N320	<<locked>>	74%	38798	89%	**61	100%
Vihtavuori N32C Tin Star	<<locked>>	96%	35360	81%	**56	100%
Vihtavuori N330	<<locked>>	75%	38232	88%	**07	100%
Vihtavuori N340	<<locked>>	79%	37985	87%	**37	100%
Vihtavuori N350 👍	<<locked>>	85%	38972	90%	**09	100%
Winchester 231	<<locked>>	65%	39059	90%	**94	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	62%	15389	35%	**8	88%
ADI AP 70N	<<locked>>	61%	32750	75%	**45	100%
ADI APS 350	<<locked>>	61%	28514	66%	**8	100%
ADI APS 450	<<locked>>	61%	26643	61%	**8	100%
ADI AS 30	<<locked>>	61%	26397	61%	**8	100%
ADI AS 50N	<<locked>>	62%	28616	66%	**47	100%
Accurate No. 2	<<locked>>	61%	25295	58%	**76	100%
[Accurate No. 7]*	<<locked>>	61%	21930	50%	**25	84%
[Accurate No. 9]*	<<locked>>	73%	25831	59%	**81	80%
Accurate Solo 1000	<<locked>>	61%	26237	60%	**04	100%
Accurate Solo 1250	<<locked>>	60%	22307	51%	**7	100%
[Accurate TCM]*	<<locked>>	70%	23453	54%	**35	80%
[Alliant 2400]*	<<locked>>	88%	30647	70%	**83	81%
[Alliant BLUE DOT]*	<<locked>>	74%	19914	46%	**63	81%
Alliant BULLSEYE	<<locked>>	61%	28906	66%	**48	100%
Alliant POWER PISTOL	<<locked>>	60%	21611	50%	**96	92%
Alliant Sport Pistol	<<locked>>	60%	32242	74%	**94	100%
Alliant UNIQUE	<<locked>>	61%	22829	52%	**63	100%
Baschieri & Pellagri 100	<<locked>>	60%	24569	56%	**8	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	61%	16534	38%	**9	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	61%	27760	64%	**53	100%
Hodgdon Clays	<<locked>>	61%	29080	67%	**8	100%
Hodgdon HS-6	<<locked>>	61%	31908	73%	**24	100%
Hodgdon Longshot	<<locked>>	61%	35418	81%	**66	100%
Hodgdon Universal	<<locked>>	61%	27166	62%	**76	100%
Hodgdon CFE Pistol	<<locked>>	61%	25454	59%	**53	100%
Hodgdon TrailBoss	<<locked>>	94%	16215	37%	**7	100%
[Lovex D037.1]*	<<locked>>	61%	21930	50%	**25	84%
[Lovex D037.2]*	<<locked>>	72%	25831	59%	**81	80%
Lovex S011	<<locked>>	61%	33170	76%	**15	100%
Lovex S020	<<locked>>	61%	26861	62%	**93	100%
Maxam CSB 1	<<locked>>	61%	21263	49%	**8	100%
Maxam CSB 2	<<locked>>	61%	23395	54%	**14	100%
Maxam CSB 3	<<locked>>	60%	23989	55%	**01	100%
Maxam CSB 4	<<locked>>	62%	26687	61%	**17	100%
Maxam CSB 5	<<locked>>	60%	28471	65%	**7	100%
[Ramshot Enforcer]*	<<locked>>	87%	28050	64%	**57	80%
Ramshot Silhouette	<<locked>>	61%	32518	75%	**01	100%
ReloadSwiss RS 12	<<locked>>	62%	31386	72%	**99	100%
ReloadSwiss RS 14	<<locked>>	92%	14620	34%	**7	100%
ReloadSwiss RS 20	<<locked>>	62%	21843	50%	**50	100%
[ReloadSwiss RS 24]*	<<locked>>	61%	19435	45%	**53	84%
Rottweil P 801	<<locked>>	61%	33953	78%	**99	100%
Rottweil P 806	<<locked>>	61%	16186	37%	**24	94%
SNPE Vectan A0	<<locked>>	61%	21524	49%	**04	100%
SNPE Vectan BA 9	<<locked>>	61%	25831	59%	**53	100%
SNPE Vectan BA10	<<locked>>	60%	29501	68%	**4	100%
SNPE Vectan BA7 1/2	<<locked>>	61%	18289	42%	**1	96%
SNPE Vectan BA9 1/2	<<locked>>	61%	25034	58%	**47	100%
SNPE Vectan SP 2	<<locked>>	61%	24294	56%	**61	96%
[Shooters World Heavy Pistol]*	<<locked>>	72%	25831	59%	**81	80%
[Shooters World Major Pistol]*	<<locked>>	61%	21930	50%	**25	84%
Somchem MP200	<<locked>>	61%	26107	60%	**09	100%
Somchem MS200	<<locked>>	62%	24540	56%	**63	100%
Somchem S221	<<locked>>	61%	28485	65%	**11	94%
Vihtavuori 3N37	<<locked>>	61%	20856	48%	**53	98%
[Vihtavuori 3N38]*	<<locked>>	61%	14968	34%	**2	80%
[Vihtavuori N105]*	<<locked>>	64%	12676	29%	**5	80%
Vihtavuori N320	<<locked>>	61%	27441	63%	**33	100%
Vihtavuori N32C Tin Star	<<locked>>	63%	17419	40%	**3	100%
Vihtavuori N330	<<locked>>	62%	26179	60%	**73	100%
Vihtavuori N340	<<locked>>	61%	22887	53%	**43	100%
Vihtavuori N350	<<locked>>	61%	19522	45%	**24	98%
Winchester 231	<<locked>>	60%	34592	80%	**45	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