Load data for .357 Magnum + .357 | 140gr | Speer JHP

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 \| 140gr \| Speer JHP
Manufacturer SKU:	4203
Bullet Weight:	140gr \| 9.1g
Bullet Diameter:	0.357" \| 9.07mm
Bullet Length:	0.575" \| 14.6mm
Caliber:	.357 Magnum load data
Case Length (l3):	1.290" \| 32.8mm
Cartridge Length (C.O.L.):	1.566" \| 39.8mm
Seated Depth:	0.299" \| 7.6mm
Shank Seated Depth:	0.299" \| 7.6mm
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_B6220_C513
Last updated:	2025-02-02

Load data for 118 loads in caliber .357 Magnum with .357 | 140gr | Speer JHP bullet and 59 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>>	95%	37666	87%	**53	99%
ADI AP 70N	<<locked>>	66%	38334	88%	**32	100%
ADI APS 350	<<locked>>	72%	36216	83%	**38	100%
ADI APS 450	<<locked>>	75%	37304	86%	**84	100%
ADI AS 30	<<locked>>	75%	37101	85%	**24	100%
ADI AS 50N	<<locked>>	73%	38566	89%	**86	100%
Accurate No. 2	<<locked>>	73%	37289	86%	**52	100%
Accurate No. 7	<<locked>>	75%	37956	87%	**12	93%
[Accurate No. 9]*	<<locked>>	84%	38740	89%	**03	87%
Accurate Solo 1000	<<locked>>	74%	36448	84%	**40	100%
Accurate Solo 1250	<<locked>>	79%	37304	86%	**16	100%
[Accurate TCM]*	<<locked>>	83%	37449	86%	**90	88%
[Alliant 2400]*	<<locked>>	94%	37173	85%	**06	84%
Alliant BLUE DOT	<<locked>>	96%	37057	85%	**83	91%
Alliant BULLSEYE	<<locked>>	70%	37927	87%	**88	100%
Alliant POWER PISTOL	<<locked>>	79%	38624	89%	**09	99%
Alliant UNIQUE	<<locked>>	81%	38957	90%	**11	100%
Baschieri & Pellagri 100	<<locked>>	76%	37971	87%	**66	100%
Hodgdon Clays	<<locked>>	72%	36941	85%	**58	100%
Hodgdon HS-6	<<locked>>	65%	37463	86%	**24	100%
Hodgdon Longshot	<<locked>>	63%	38754	89%	**30	100%
Hodgdon Universal	<<locked>>	72%	36927	85%	**19	100%
Hodgdon TrailBoss	<<locked>>	94%	15969	37%	**5	100%
Lovex D037.1	<<locked>>	75%	37956	87%	**12	93%
[Lovex D037.2]*	<<locked>>	83%	38740	89%	**03	87%
Lovex S011	<<locked>>	64%	36825	85%	**76	100%
Lovex S020	<<locked>>	72%	38145	88%	**55	100%
Maxam CSB 1	<<locked>>	83%	37898	87%	**12	100%
Maxam CSB 2	<<locked>>	79%	38305	88%	**16	100%
Maxam CSB 3	<<locked>>	77%	37159	85%	**83	100%
Maxam CSB 4	<<locked>>	74%	36622	84%	**53	100%
Maxam CSB 5	<<locked>>	72%	38145	88%	**20	100%
[Ramshot Enforcer]*	<<locked>>	95%	38203	88%	**32	85%
Ramshot Silhouette	<<locked>>	65%	37260	86%	**85	100%
ReloadSwiss RS 12	<<locked>>	69%	38812	89%	**02	100%
ReloadSwiss RS 14	<<locked>>	95%	15098	35%	**8	100%
ReloadSwiss RS 20	<<locked>>	80%	37376	86%	**78	100%
ReloadSwiss RS 24	<<locked>>	82%	38261	88%	**06	95%
Rottweil P 801	<<locked>>	63%	37043	85%	**53	100%
Rottweil P 806	<<locked>>	85%	37753	87%	**06	100%
SNPE Vectan A0	<<locked>>	81%	36593	84%	**39	100%
SNPE Vectan BA 9	<<locked>>	75%	37927	87%	**22	100%
SNPE Vectan BA10	<<locked>>	71%	38711	89%	**98	100%
SNPE Vectan BA7 1/2 👍	<<locked>>	86%	36695	84%	**94	100%
SNPE Vectan BA9 1/2	<<locked>>	76%	38232	88%	**32	100%
[Shooters World Heavy Pistol]*	<<locked>>	83%	38740	89%	**03	87%
Shooters World Major Pistol	<<locked>>	75%	37956	87%	**12	93%
Somchem MP200	<<locked>>	73%	37565	86%	**85	100%
Somchem MS200	<<locked>>	78%	38130	88%	**62	100%
Somchem S221	<<locked>>	68%	38029	87%	**67	97%
Vihtavuori 3N37 👍	<<locked>>	81%	38421	88%	**44	100%
Vihtavuori 3N38	<<locked>>	91%	36666	84%	**70	95%
Vihtavuori N105	<<locked>>	96%	34287	79%	**90	98%
Vihtavuori N320	<<locked>>	71%	36347	84%	**53	100%
Vihtavuori N32C Tin Star	<<locked>>	95%	34896	80%	**65	100%
Vihtavuori N330	<<locked>>	75%	39088	90%	**42	100%
Vihtavuori N340	<<locked>>	78%	38247	88%	**68	100%
Vihtavuori N350 👍	<<locked>>	84%	38551	89%	**37	100%
Winchester 231	<<locked>>	64%	38406	88%	**19	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	60%	14866	34%	**04	86%
ADI AP 70N	<<locked>>	61%	32953	76%	**70	100%
ADI APS 350	<<locked>>	60%	27688	64%	**33	100%
ADI APS 450	<<locked>>	60%	26701	61%	**53	100%
ADI AS 30	<<locked>>	61%	26368	61%	**83	100%
ADI AS 50N	<<locked>>	60%	27949	64%	**48	100%
Accurate No. 2	<<locked>>	62%	26150	60%	**04	100%
[Accurate No. 7]*	<<locked>>	61%	22771	52%	**47	84%
[Accurate No. 9]*	<<locked>>	73%	26847	62%	**16	80%
Accurate Solo 1000	<<locked>>	60%	25933	60%	**09	100%
Accurate Solo 1250	<<locked>>	61%	22524	52%	**09	100%
[Accurate TCM]*	<<locked>>	70%	24192	56%	**66	80%
[Alliant 2400]*	<<locked>>	90%	33025	76%	**47	81%
[Alliant BLUE DOT]*	<<locked>>	75%	21074	48%	**88	81%
Alliant BULLSEYE	<<locked>>	62%	29950	69%	**83	100%
Alliant POWER PISTOL	<<locked>>	61%	21944	50%	**17	92%
Alliant UNIQUE	<<locked>>	60%	22698	52%	**65	100%
Baschieri & Pellagri 100	<<locked>>	61%	25077	58%	**02	100%
Hodgdon Clays	<<locked>>	60%	28210	65%	**53	100%
Hodgdon HS-6	<<locked>>	61%	32851	76%	**62	100%
Hodgdon Longshot	<<locked>>	61%	36216	83%	**04	100%
Hodgdon Universal	<<locked>>	61%	26992	62%	**91	100%
Hodgdon TrailBoss	<<locked>>	61%	8311	19%	**2	100%
[Lovex D037.1]*	<<locked>>	61%	22771	52%	**47	84%
[Lovex D037.2]*	<<locked>>	73%	26847	62%	**16	80%
Lovex S011	<<locked>>	62%	34142	78%	**47	100%
Lovex S020	<<locked>>	61%	27398	63%	**17	100%
Maxam CSB 1	<<locked>>	61%	21712	50%	**89	100%
Maxam CSB 2	<<locked>>	61%	23366	54%	**22	100%
Maxam CSB 3	<<locked>>	61%	24743	57%	**15	100%
Maxam CSB 4	<<locked>>	61%	26237	60%	**22	100%
Maxam CSB 5	<<locked>>	61%	29588	68%	**25	100%
[Ramshot Enforcer]*	<<locked>>	88%	29834	69%	**07	81%
Ramshot Silhouette	<<locked>>	61%	32358	74%	**29	100%
ReloadSwiss RS 12	<<locked>>	61%	30792	71%	**14	100%
ReloadSwiss RS 14	<<locked>>	62%	8108	19%	**2	100%
ReloadSwiss RS 20	<<locked>>	61%	21451	49%	**52	100%
[ReloadSwiss RS 24]*	<<locked>>	61%	19812	46%	**58	84%
Rottweil P 801	<<locked>>	61%	34301	79%	**24	100%
Rottweil P 806	<<locked>>	61%	16346	38%	**15	93%
SNPE Vectan A0	<<locked>>	61%	21408	49%	**09	100%
SNPE Vectan BA 9	<<locked>>	62%	26121	60%	**68	100%
SNPE Vectan BA10	<<locked>>	61%	30400	70%	**02	100%
SNPE Vectan BA7 1/2	<<locked>>	61%	18231	42%	**76	95%
SNPE Vectan BA9 1/2	<<locked>>	62%	25991	60%	**68	100%
[Shooters World Heavy Pistol]*	<<locked>>	73%	26847	62%	**16	80%
[Shooters World Major Pistol]*	<<locked>>	61%	22771	52%	**47	84%
Somchem MP200	<<locked>>	60%	26237	60%	**24	100%
Somchem MS200	<<locked>>	61%	24134	55%	**71	100%
Somchem S221	<<locked>>	61%	29718	68%	**48	94%
Vihtavuori 3N37	<<locked>>	61%	21408	49%	**71	98%
[Vihtavuori 3N38]*	<<locked>>	64%	16172	37%	**70	81%
[Vihtavuori N105]*	<<locked>>	68%	14112	32%	**53	82%
Vihtavuori N320	<<locked>>	62%	28050	64%	**52	100%
Vihtavuori N32C Tin Star	<<locked>>	61%	16418	38%	**6	100%
Vihtavuori N330	<<locked>>	61%	25802	59%	**81	100%
Vihtavuori N340	<<locked>>	62%	23569	54%	**68	100%
Vihtavuori N350	<<locked>>	61%	19493	45%	**25	97%
Winchester 231	<<locked>>	61%	35694	82%	**80	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