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

Recommended Powder(s): ADI AP 100

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 Auto Magnum load data
Case Length (l3):	1.299" \| 33.0mm
Cartridge Length (C.O.L.):	1.576" \| 40.0mm
Seated Depth:	0.404" \| 10.3mm
Shank Seated Depth:	0.404" \| 10.3mm
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_B3514_C511
Last updated:	2025-01-01

Load data for 66 loads in caliber .357 Auto Magnum with .357 | 158gr | LOS SWC bullet and 33 powders such as ADI AP 100. 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>>	78%	32822	89%	**88	100%
ADI APS 450	<<locked>>	63%	32880	89%	**42	100%
[Accurate 4100]*	<<locked>>	80%	32532	88%	**47	84%
Accurate No. 9	<<locked>>	69%	33011	89%	**53	90%
Accurate Solo 1250	<<locked>>	66%	33098	89%	**57	100%
Accurate TCM	<<locked>>	67%	31734	86%	**17	91%
[Alliant 2400]*	<<locked>>	77%	32358	87%	**53	87%
Alliant BLUE DOT	<<locked>>	78%	31894	86%	**24	94%
Alliant POWER PISTOL	<<locked>>	63%	31836	86%	**14	100%
Alliant UNIQUE	<<locked>>	63%	31763	86%	**09	100%
[Hodgdon LilGun]*	<<locked>>	88%	32634	88%	**26	87%
Hodgdon TrailBoss	<<locked>>	96%	21176	57%	**7	100%
Lovex D037.2	<<locked>>	67%	32532	88%	**44	90%
Maxam CSB 1	<<locked>>	66%	31430	85%	**34	100%
Maxam CSB 2	<<locked>>	63%	32648	88%	**40	100%
Maxam CSB 3	<<locked>>	63%	32256	87%	**17	100%
[Ramshot Enforcer]*	<<locked>>	78%	33025	89%	**80	89%
ReloadSwiss RS 14	<<locked>>	96%	20160	55%	**14	100%
ReloadSwiss RS 20	<<locked>>	65%	32953	89%	**09	100%
ReloadSwiss RS 24	<<locked>>	66%	32097	87%	**24	97%
Rottweil P 806	<<locked>>	68%	31691	86%	**04	100%
SNPE Vectan A0	<<locked>>	67%	32764	89%	**86	100%
[SNPE Vectan BA6 1/2]*	<<locked>>	95%	24990	68%	**12	85%
SNPE Vectan BA7 1/2	<<locked>>	72%	33141	90%	**55	100%
Shooters World Heavy Pistol	<<locked>>	67%	32532	88%	**44	90%
Somchem MS200	<<locked>>	63%	32430	88%	**86	100%
Vihtavuori 3N37	<<locked>>	65%	32372	88%	**55	100%
Vihtavuori 3N38	<<locked>>	75%	32169	87%	**14	97%
Vihtavuori N105	<<locked>>	80%	32808	89%	**53	100%
[Vihtavuori N110]*	<<locked>>	96%	32126	87%	**76	87%
Vihtavuori N32C Tin Star	<<locked>>	80%	31662	86%	**29	100%
Vihtavuori N340	<<locked>>	63%	32039	87%	**83	100%
Vihtavuori N350	<<locked>>	69%	33286	90%	**62	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AP 100	<<locked>>	61%	20088	54%	**52	96%
ADI APS 450	<<locked>>	61%	30995	84%	**19	100%
[Accurate 4100]*	<<locked>>	75%	27311	74%	**52	80%
[Accurate No. 9]*	<<locked>>	61%	25208	68%	**06	85%
Accurate Solo 1250	<<locked>>	61%	29124	79%	**04	100%
[Accurate TCM]*	<<locked>>	61%	25048	68%	**93	87%
[Alliant 2400]*	<<locked>>	67%	23583	64%	**76	80%
[Alliant BLUE DOT]*	<<locked>>	61%	19522	53%	**58	85%
Alliant POWER PISTOL	<<locked>>	61%	30153	82%	**78	99%
Alliant UNIQUE	<<locked>>	61%	29820	81%	**80	100%
[Hodgdon LilGun]*	<<locked>>	81%	24526	66%	**65	81%
Hodgdon TrailBoss	<<locked>>	60%	10704	29%	**1	100%
[Lovex D037.2]*	<<locked>>	61%	25672	69%	**06	85%
Maxam CSB 1	<<locked>>	62%	27833	75%	**81	100%
Maxam CSB 2	<<locked>>	61%	30676	83%	**11	100%
Maxam CSB 3	<<locked>>	61%	30342	82%	**91	100%
[Ramshot Enforcer]*	<<locked>>	67%	22800	62%	**73	81%
ReloadSwiss RS 14	<<locked>>	61%	10385	28%	**4	100%
ReloadSwiss RS 20	<<locked>>	61%	29269	79%	**63	100%
ReloadSwiss RS 24	<<locked>>	61%	27673	75%	**42	95%
Rottweil P 806	<<locked>>	61%	25266	68%	**02	100%
SNPE Vectan A0	<<locked>>	61%	27528	74%	**11	100%
[SNPE Vectan BA6 1/2]*	<<locked>>	87%	20088	54%	**07	81%
SNPE Vectan BA7 1/2	<<locked>>	61%	24076	65%	**01	100%
[Shooters World Heavy Pistol]*	<<locked>>	61%	25672	69%	**06	85%
Somchem MS200	<<locked>>	61%	30603	83%	**63	100%
Vihtavuori 3N37	<<locked>>	61%	29051	79%	**02	100%
Vihtavuori 3N38	<<locked>>	61%	21321	58%	**98	91%
Vihtavuori N105	<<locked>>	61%	17492	47%	**52	92%
[Vihtavuori N110]*	<<locked>>	85%	22887	62%	**93	80%
Vihtavuori N32C Tin Star	<<locked>>	61%	20711	56%	**1	100%
Vihtavuori N340	<<locked>>	61%	30211	82%	**60	100%
Vihtavuori N350	<<locked>>	61%	26571	72%	**57	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