Load data for .357 Magnum + .357 | 125gr | Speer JHP

Recommended Powder(s): ADI AP 100, Vihtavuori 3N37, Vihtavuori N350

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.357 \| 125gr \| Speer JHP
Manufacturer SKU:	4013
Bullet Weight:	125gr \| 8.1g
Bullet Diameter:	0.357" \| 9.07mm
Bullet Length:	0.520" \| 13.2mm
Caliber:	.357 Magnum load data
Case Length (l3):	1.290" \| 32.8mm
Cartridge Length (C.O.L.):	1.566" \| 39.8mm
Seated Depth:	0.244" \| 6.2mm
Shank Seated Depth:	0.244" \| 6.2mm
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_B6216_C513
Last updated:	2025-01-01

Load data for 116 loads in caliber .357 Magnum with .357 | 125gr | Speer JHP bullet and 58 powders such as ADI AP 100, 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>>	96%	37478	86%	**58	99%
ADI AP 70N	<<locked>>	68%	39001	90%	**50	100%
ADI APS 350	<<locked>>	76%	38870	89%	**63	100%
ADI APS 450	<<locked>>	78%	39160	90%	**99	100%
ADI AS 30	<<locked>>	78%	39088	90%	**45	100%
ADI AS 50N	<<locked>>	72%	37347	86%	**78	100%
Accurate No. 2	<<locked>>	74%	38203	88%	**70	100%
Accurate No. 7	<<locked>>	75%	37188	85%	**01	91%
[Accurate No. 9]*	<<locked>>	84%	37507	86%	**81	85%
Accurate Solo 1000	<<locked>>	76%	38014	87%	**62	100%
Accurate Solo 1250	<<locked>>	81%	38218	88%	**24	100%
[Accurate TCM]*	<<locked>>	84%	38537	89%	**94	87%
[Alliant BLUE DOT]*	<<locked>>	95%	35578	82%	**58	89%
Alliant BULLSEYE	<<locked>>	71%	38595	89%	**09	100%
Alliant POWER PISTOL	<<locked>>	80%	38725	89%	**24	98%
Alliant UNIQUE	<<locked>>	80%	37695	87%	**96	100%
Baschieri & Pellagri 100	<<locked>>	78%	39117	90%	**78	100%
Hodgdon Clays	<<locked>>	72%	36709	84%	**50	100%
Hodgdon HS-6	<<locked>>	66%	38508	89%	**49	100%
Hodgdon Longshot	<<locked>>	63%	37652	87%	**26	100%
Hodgdon Universal	<<locked>>	75%	39001	90%	**50	100%
Hodgdon TrailBoss	<<locked>>	92%	15258	35%	**8	100%
Lovex D037.1	<<locked>>	75%	37188	85%	**01	91%
[Lovex D037.2]*	<<locked>>	84%	38667	89%	**01	86%
Lovex S011	<<locked>>	66%	38319	88%	**01	100%
Lovex S020	<<locked>>	73%	38290	88%	**63	100%
Maxam CSB 1	<<locked>>	84%	38493	88%	**21	100%
Maxam CSB 2	<<locked>>	81%	38899	89%	**34	100%
Maxam CSB 3	<<locked>>	79%	38276	88%	**98	100%
Maxam CSB 4	<<locked>>	76%	38101	88%	**75	100%
Maxam CSB 5	<<locked>>	73%	38551	89%	**29	100%
[Ramshot Enforcer]*	<<locked>>	96%	38334	88%	**37	84%
Ramshot Silhouette	<<locked>>	65%	36941	85%	**90	100%
ReloadSwiss RS 12	<<locked>>	68%	37101	85%	**91	100%
ReloadSwiss RS 14	<<locked>>	95%	14866	34%	**01	100%
ReloadSwiss RS 20	<<locked>>	82%	38682	89%	**06	100%
ReloadSwiss RS 24	<<locked>>	83%	38508	88%	**04	94%
Rottweil P 801	<<locked>>	64%	36883	85%	**58	100%
Rottweil P 806	<<locked>>	87%	38725	89%	**17	100%
SNPE Vectan A0	<<locked>>	82%	36695	84%	**40	100%
SNPE Vectan BA 9	<<locked>>	76%	38116	88%	**24	100%
SNPE Vectan BA10	<<locked>>	71%	37942	87%	**83	100%
SNPE Vectan BA7 1/2	<<locked>>	89%	39044	90%	**35	100%
SNPE Vectan BA9 1/2	<<locked>>	77%	38682	89%	**44	100%
[Shooters World Heavy Pistol]*	<<locked>>	84%	38667	89%	**01	86%
Shooters World Major Pistol	<<locked>>	75%	37188	85%	**01	91%
Somchem MP200	<<locked>>	75%	38769	89%	**03	100%
Somchem MS200	<<locked>>	79%	38493	88%	**80	100%
Somchem S221	<<locked>>	69%	38580	89%	**88	97%
Vihtavuori 3N37 👍	<<locked>>	81%	38522	89%	**45	100%
Vihtavuori 3N38	<<locked>>	93%	37811	87%	**81	94%
Vihtavuori N105	<<locked>>	96%	32880	76%	**72	96%
Vihtavuori N320	<<locked>>	73%	37942	87%	**78	100%
Vihtavuori N32C Tin Star	<<locked>>	95%	34461	79%	**57	100%
Vihtavuori N330	<<locked>>	74%	36840	85%	**27	100%
Vihtavuori N340	<<locked>>	79%	38276	88%	**70	100%
Vihtavuori N350 👍	<<locked>>	85%	38972	90%	**49	100%
Winchester 231	<<locked>>	64%	37782	87%	**14	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	61%	14823	34%	**73	84%
ADI AP 70N	<<locked>>	60%	31531	72%	**58	100%
ADI APS 350	<<locked>>	61%	28210	65%	**25	100%
ADI APS 450	<<locked>>	61%	26818	62%	**38	100%
ADI AS 30	<<locked>>	62%	26455	61%	**75	100%
ADI AS 50N	<<locked>>	61%	27485	63%	**40	100%
Accurate No. 2	<<locked>>	61%	25367	58%	**80	100%
[Accurate No. 7]*	<<locked>>	61%	21828	50%	**09	81%
[Accurate No. 9]*	<<locked>>	77%	29791	68%	**60	81%
Accurate Solo 1000	<<locked>>	61%	25860	59%	**94	100%
Accurate Solo 1250	<<locked>>	60%	22060	51%	**91	100%
[Accurate TCM]*	<<locked>>	74%	27224	63%	**14	81%
[Alliant BLUE DOT]*	<<locked>>	78%	22466	52%	**06	80%
Alliant BULLSEYE	<<locked>>	61%	28863	66%	**68	100%
Alliant POWER PISTOL	<<locked>>	61%	21437	49%	**89	90%
Alliant UNIQUE	<<locked>>	61%	22858	53%	**57	100%
Baschieri & Pellagri 100	<<locked>>	60%	24613	57%	**88	100%
Hodgdon Clays	<<locked>>	61%	28703	66%	**48	100%
Hodgdon HS-6	<<locked>>	61%	32169	74%	**47	99%
Hodgdon Longshot	<<locked>>	61%	35375	81%	**90	100%
Hodgdon Universal	<<locked>>	62%	27253	63%	**89	100%
Hodgdon TrailBoss	<<locked>>	61%	8267	19%	**8	100%
[Lovex D037.1]*	<<locked>>	61%	21828	50%	**09	81%
[Lovex D037.2]*	<<locked>>	76%	29037	67%	**44	80%
Lovex S011	<<locked>>	61%	32822	75%	**32	100%
Lovex S020	<<locked>>	61%	26150	60%	**93	100%
Maxam CSB 1	<<locked>>	61%	21277	49%	**65	100%
Maxam CSB 2	<<locked>>	61%	22858	53%	**04	100%
Maxam CSB 3	<<locked>>	61%	24410	56%	**04	100%
Maxam CSB 4	<<locked>>	61%	25759	59%	**04	100%
Maxam CSB 5	<<locked>>	60%	28181	65%	**91	100%
[Ramshot Enforcer]*	<<locked>>	91%	32126	74%	**29	80%
Ramshot Silhouette	<<locked>>	61%	32416	74%	**27	100%
ReloadSwiss RS 12	<<locked>>	60%	29631	68%	**93	100%
ReloadSwiss RS 14	<<locked>>	60%	7614	18%	**8	99%
ReloadSwiss RS 20	<<locked>>	62%	21451	49%	**34	100%
[ReloadSwiss RS 24]*	<<locked>>	61%	19667	45%	**43	82%
Rottweil P 801	<<locked>>	61%	34330	79%	**22	100%
Rottweil P 806	<<locked>>	61%	15867	36%	**75	90%
SNPE Vectan A0	<<locked>>	60%	20697	48%	**78	100%
SNPE Vectan BA 9	<<locked>>	61%	25251	58%	**47	100%
SNPE Vectan BA10	<<locked>>	62%	30269	70%	**88	100%
SNPE Vectan BA7 1/2	<<locked>>	61%	18043	41%	**48	94%
SNPE Vectan BA9 1/2	<<locked>>	61%	25077	58%	**43	100%
[Shooters World Heavy Pistol]*	<<locked>>	76%	29037	67%	**44	80%
[Shooters World Major Pistol]*	<<locked>>	61%	21828	50%	**09	81%
Somchem MP200	<<locked>>	61%	25802	59%	**09	100%
Somchem MS200	<<locked>>	61%	23380	54%	**43	100%
Somchem S221	<<locked>>	61%	29051	67%	**21	93%
Vihtavuori 3N37	<<locked>>	61%	20987	48%	**47	97%
[Vihtavuori 3N38]*	<<locked>>	68%	17767	41%	**81	81%
[Vihtavuori N105]*	<<locked>>	72%	15606	36%	**71	82%
Vihtavuori N320	<<locked>>	62%	27514	63%	**40	100%
Vihtavuori N32C Tin Star	<<locked>>	60%	15664	36%	**8	100%
Vihtavuori N330	<<locked>>	61%	24918	57%	**57	100%
Vihtavuori N340	<<locked>>	61%	22669	52%	**37	100%
Vihtavuori N350	<<locked>>	61%	19247	44%	**98	96%
Winchester 231	<<locked>>	61%	35360	81%	**78	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