Load data for .357 Auto Magnum + .357 | 158gr | Speer JHP

Recommended Powder(s):

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.357 \| 158gr \| Speer JHP
Manufacturer SKU:	4211
Bullet Weight:	158gr \| 10.2g
Bullet Diameter:	0.357" \| 9.07mm
Bullet Length:	0.640" \| 16.3mm
Caliber:	.357 Auto Magnum load data
Case Length (l3):	1.299" \| 33.0mm
Cartridge Length (C.O.L.):	1.576" \| 40.0mm
Seated Depth:	0.363" \| 9.2mm
Shank Seated Depth:	0.363" \| 9.2mm
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_B6223_C511
Last updated:	2025-01-01

Load data for 66 loads in caliber .357 Auto Magnum with .357 | 158gr | Speer JHP bullet and 33 powder(s). 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%	32924	89%	**01	100%
ADI APS 450	<<locked>>	63%	32996	89%	**55	100%
[Accurate 4100]*	<<locked>>	80%	32300	87%	**57	84%
Accurate No. 9	<<locked>>	68%	33170	90%	**67	91%
Accurate Solo 1250	<<locked>>	65%	32822	89%	**63	100%
Accurate TCM	<<locked>>	67%	32039	87%	**37	91%
[Alliant 2400]*	<<locked>>	76%	31879	86%	**53	87%
Alliant BLUE DOT	<<locked>>	79%	33170	90%	**53	95%
Alliant POWER PISTOL	<<locked>>	63%	32198	87%	**21	100%
Alliant UNIQUE	<<locked>>	63%	32300	87%	**19	100%
[Hodgdon LilGun]*	<<locked>>	87%	32039	87%	**16	87%
Hodgdon TrailBoss	<<locked>>	96%	21219	57%	**10	100%
Lovex D037.2	<<locked>>	67%	32677	88%	**57	91%
Maxam CSB 1	<<locked>>	68%	33054	89%	**63	100%
Maxam CSB 2	<<locked>>	63%	32445	88%	**47	100%
Maxam CSB 3	<<locked>>	63%	32271	87%	**27	100%
[Ramshot Enforcer]*	<<locked>>	77%	32837	89%	**80	89%
ReloadSwiss RS 14	<<locked>>	94%	19363	52%	**07	100%
ReloadSwiss RS 20	<<locked>>	65%	32648	88%	**22	100%
ReloadSwiss RS 24	<<locked>>	65%	31966	86%	**30	97%
Rottweil P 806	<<locked>>	67%	31937	86%	**17	100%
SNPE Vectan A0	<<locked>>	67%	32343	87%	**89	100%
[SNPE Vectan BA6 1/2]*	<<locked>>	96%	25512	69%	**42	86%
SNPE Vectan BA7 1/2	<<locked>>	72%	33243	90%	**62	100%
Shooters World Heavy Pistol	<<locked>>	67%	32677	88%	**57	91%
Somchem MS200	<<locked>>	63%	32213	87%	**93	100%
Vihtavuori 3N37	<<locked>>	65%	32547	88%	**71	100%
Vihtavuori 3N38	<<locked>>	74%	32068	87%	**17	97%
Vihtavuori N105	<<locked>>	79%	32489	88%	**63	100%
[Vihtavuori N110]*	<<locked>>	96%	32735	88%	**86	88%
Vihtavuori N32C Tin Star	<<locked>>	82%	32982	89%	**52	100%
Vihtavuori N340	<<locked>>	63%	31821	86%	**96	100%
Vihtavuori N350	<<locked>>	67%	31807	86%	**48	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AP 100	<<locked>>	61%	20407	55%	**61	96%
ADI APS 450	<<locked>>	61%	31125	84%	**29	100%
[Accurate 4100]*	<<locked>>	75%	27166	73%	**55	80%
[Accurate No. 9]*	<<locked>>	61%	25382	69%	**12	86%
Accurate Solo 1250	<<locked>>	61%	29109	79%	**14	100%
[Accurate TCM]*	<<locked>>	61%	25483	69%	**06	87%
[Alliant 2400]*	<<locked>>	66%	23250	63%	**83	80%
[Alliant BLUE DOT]*	<<locked>>	61%	19638	53%	**75	85%
Alliant POWER PISTOL	<<locked>>	61%	30472	82%	**01	99%
Alliant UNIQUE	<<locked>>	61%	30371	82%	**93	100%
[Hodgdon LilGun]*	<<locked>>	80%	24366	66%	**71	81%
Hodgdon TrailBoss	<<locked>>	62%	10805	29%	**4	100%
[Lovex D037.2]*	<<locked>>	61%	25976	70%	**29	86%
Maxam CSB 1	<<locked>>	61%	27702	75%	**84	100%
Maxam CSB 2	<<locked>>	61%	30618	83%	**20	100%
Maxam CSB 3	<<locked>>	61%	30371	82%	**04	100%
[Ramshot Enforcer]*	<<locked>>	66%	21843	59%	**63	80%
ReloadSwiss RS 14	<<locked>>	60%	9979	27%	**1	100%
ReloadSwiss RS 20	<<locked>>	61%	29138	79%	**66	100%
ReloadSwiss RS 24	<<locked>>	61%	27746	75%	**55	95%
Rottweil P 806	<<locked>>	61%	25266	68%	**06	100%
SNPE Vectan A0	<<locked>>	61%	27383	74%	**20	100%
[SNPE Vectan BA6 1/2]*	<<locked>>	86%	19609	53%	**01	80%
SNPE Vectan BA7 1/2	<<locked>>	61%	24381	66%	**14	100%
[Shooters World Heavy Pistol]*	<<locked>>	61%	25976	70%	**29	86%
Somchem MS200	<<locked>>	61%	30371	82%	**66	100%
Vihtavuori 3N37	<<locked>>	61%	29240	79%	**22	100%
Vihtavuori 3N38	<<locked>>	61%	21234	57%	**11	92%
Vihtavuori N105	<<locked>>	61%	17579	48%	**55	92%
[Vihtavuori N110]*	<<locked>>	86%	23482	63%	**19	81%
Vihtavuori N32C Tin Star	<<locked>>	61%	20697	56%	**8	100%
Vihtavuori N340	<<locked>>	61%	30037	81%	**73	100%
Vihtavuori N350	<<locked>>	61%	26948	73%	**73	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