Load data for .357 Magnum + .357 | 158gr | Norma SPFN

Recommended Powder(s): ADI AP 100, SNPE Vectan BA7 1/2, Vihtavuori N350

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.357 \| 158gr \| Norma SPFN
Manufacturer SKU:	69107
Bullet Weight:	158gr \| 10.2g
Bullet Diameter:	0.357" \| 9.07mm
Bullet Length:	0.660" \| 16.8mm
Caliber:	.357 Magnum load data
Case Length (l3):	1.290" \| 32.8mm
Cartridge Length (C.O.L.):	1.566" \| 39.8mm
Seated Depth:	0.384" \| 9.7mm
Shank Seated Depth:	0.384" \| 9.7mm
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_B3896_C513
Last updated:	2025-02-02

Load data for 114 loads in caliber .357 Magnum with .357 | 158gr | Norma SPFN bullet and 57 powders such as ADI AP 100, SNPE Vectan BA7 1/2, 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>>	95%	36709	84%	**16	99%
ADI AP 70N	<<locked>>	67%	38203	88%	**14	100%
ADI AS 30	<<locked>>	77%	38493	88%	**25	100%
ADI AS 50N	<<locked>>	72%	37478	86%	**58	100%
Accurate No. 2	<<locked>>	73%	37434	86%	**37	100%
Accurate No. 7	<<locked>>	74%	36434	84%	**68	93%
[Accurate No. 9]*	<<locked>>	84%	38725	89%	**85	88%
Accurate Solo 1000	<<locked>>	76%	38218	88%	**52	100%
Accurate Solo 1250	<<locked>>	79%	37130	85%	**98	100%
[Accurate TCM]*	<<locked>>	84%	37710	87%	**71	89%
[Alliant 2400]*	<<locked>>	94%	36898	85%	**85	85%
Alliant BLUE DOT	<<locked>>	97%	37710	87%	**71	93%
Alliant BULLSEYE	<<locked>>	70%	37565	86%	**63	100%
Alliant POWER PISTOL	<<locked>>	80%	38334	88%	**78	99%
Alliant UNIQUE	<<locked>>	80%	38101	88%	**76	100%
Baschieri & Pellagri 100	<<locked>>	76%	37492	86%	**45	100%
Hodgdon Clays	<<locked>>	70%	35766	82%	**43	100%
Hodgdon HS-6	<<locked>>	65%	37420	86%	**99	100%
Hodgdon Longshot	<<locked>>	63%	38508	88%	**09	100%
Hodgdon Universal	<<locked>>	74%	38203	88%	**14	100%
Hodgdon TrailBoss	<<locked>>	94%	15925	37%	**7	100%
Lovex D037.1	<<locked>>	74%	36434	84%	**68	93%
[Lovex D037.2]*	<<locked>>	83%	37231	86%	**75	88%
Lovex S011	<<locked>>	64%	36042	83%	**55	100%
Lovex S020	<<locked>>	73%	38290	88%	**34	100%
Maxam CSB 1	<<locked>>	82%	36695	84%	**88	100%
Maxam CSB 2	<<locked>>	78%	36796	85%	**88	100%
Maxam CSB 3	<<locked>>	79%	38130	88%	**78	100%
Maxam CSB 4	<<locked>>	76%	38638	89%	**61	100%
Maxam CSB 5	<<locked>>	72%	37942	87%	**12	100%
[Ramshot Enforcer]*	<<locked>>	96%	37985	87%	**14	86%
Ramshot Silhouette	<<locked>>	65%	37333	86%	**70	100%
ReloadSwiss RS 12	<<locked>>	68%	36840	85%	**71	100%
ReloadSwiss RS 14	<<locked>>	92%	14257	33%	**0	100%
ReloadSwiss RS 20	<<locked>>	80%	37014	85%	**53	100%
ReloadSwiss RS 24	<<locked>>	82%	38464	88%	**85	96%
Rottweil P 801	<<locked>>	65%	37956	87%	**52	100%
Rottweil P 806	<<locked>>	86%	38319	88%	**91	100%
SNPE Vectan A0	<<locked>>	84%	38682	89%	**37	100%
SNPE Vectan BA 9	<<locked>>	76%	38479	88%	**11	100%
SNPE Vectan BA10	<<locked>>	71%	38754	89%	**93	100%
SNPE Vectan BA7 1/2 👍	<<locked>>	88%	37753	87%	**93	100%
SNPE Vectan BA9 1/2	<<locked>>	76%	38130	88%	**11	100%
[Shooters World Heavy Pistol]*	<<locked>>	83%	37231	86%	**75	88%
Shooters World Major Pistol	<<locked>>	74%	36434	84%	**68	93%
Somchem MP200	<<locked>>	73%	37246	86%	**60	100%
Somchem MS200	<<locked>>	77%	37173	85%	**34	100%
Somchem S221	<<locked>>	69%	37855	87%	**52	98%
Vihtavuori 3N37	<<locked>>	80%	37942	87%	**09	100%
Vihtavuori 3N38	<<locked>>	92%	37057	85%	**55	96%
Vihtavuori N105	<<locked>>	95%	33199	76%	**55	98%
Vihtavuori N320	<<locked>>	72%	36811	85%	**48	100%
Vihtavuori N32C Tin Star	<<locked>>	95%	34795	80%	**63	100%
Vihtavuori N330	<<locked>>	74%	37637	87%	**07	100%
Vihtavuori N340	<<locked>>	79%	38870	89%	**57	100%
Vihtavuori N350 👍	<<locked>>	84%	38014	87%	**09	100%
Winchester 231	<<locked>>	64%	38580	89%	**98	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	61%	14939	34%	**2	88%
ADI AP 70N	<<locked>>	61%	32097	74%	**52	100%
ADI AS 30	<<locked>>	61%	26324	60%	**8	100%
ADI AS 50N	<<locked>>	61%	28427	65%	**56	100%
Accurate No. 2	<<locked>>	60%	25019	57%	**83	100%
[Accurate No. 7]*	<<locked>>	61%	22031	51%	**32	84%
[Accurate No. 9]*	<<locked>>	72%	25628	59%	**98	81%
Accurate Solo 1000	<<locked>>	61%	26208	60%	**10	100%
Accurate Solo 1250	<<locked>>	62%	23177	53%	**20	100%
[Accurate TCM]*	<<locked>>	69%	23264	53%	**45	80%
[Alliant 2400]*	<<locked>>	88%	30182	69%	**93	81%
[Alliant BLUE DOT]*	<<locked>>	74%	20001	46%	**73	81%
Alliant BULLSEYE	<<locked>>	60%	28543	66%	**55	100%
Alliant POWER PISTOL	<<locked>>	61%	21988	51%	**19	93%
Alliant UNIQUE	<<locked>>	60%	22510	52%	**66	100%
Baschieri & Pellagri 100	<<locked>>	62%	25802	59%	**17	100%
Hodgdon Clays	<<locked>>	62%	29211	67%	**8	100%
Hodgdon HS-6	<<locked>>	61%	32285	74%	**37	100%
Hodgdon Longshot	<<locked>>	61%	35781	82%	**80	100%
Hodgdon Universal	<<locked>>	61%	26803	62%	**79	100%
Hodgdon TrailBoss	<<locked>>	62%	8601	20%	**9	100%
[Lovex D037.1]*	<<locked>>	61%	22031	51%	**32	84%
[Lovex D037.2]*	<<locked>>	73%	26397	61%	**07	81%
Lovex S011	<<locked>>	61%	32822	75%	**22	100%
Lovex S020	<<locked>>	61%	26339	61%	**99	100%
Maxam CSB 1	<<locked>>	60%	20987	48%	**4	100%
Maxam CSB 2	<<locked>>	61%	23032	53%	**17	100%
Maxam CSB 3	<<locked>>	60%	23902	55%	**07	100%
Maxam CSB 4	<<locked>>	61%	26513	61%	**27	100%
Maxam CSB 5	<<locked>>	60%	28471	65%	**04	100%
[Ramshot Enforcer]*	<<locked>>	88%	28689	66%	**76	81%
Ramshot Silhouette	<<locked>>	61%	31879	73%	**04	100%
ReloadSwiss RS 12	<<locked>>	61%	30850	71%	**09	100%
ReloadSwiss RS 14	<<locked>>	67%	8978	21%	**2	100%
ReloadSwiss RS 20	<<locked>>	61%	21480	49%	**53	100%
[ReloadSwiss RS 24]*	<<locked>>	61%	19624	45%	**66	85%
Rottweil P 801	<<locked>>	62%	34737	80%	**19	100%
Rottweil P 806	<<locked>>	61%	16027	37%	**30	94%
SNPE Vectan A0	<<locked>>	61%	21248	49%	**10	100%
SNPE Vectan BA 9	<<locked>>	61%	25411	58%	**56	100%
SNPE Vectan BA10	<<locked>>	60%	29617	68%	**1	100%
SNPE Vectan BA7 1/2	<<locked>>	62%	18608	43%	**01	96%
SNPE Vectan BA9 1/2	<<locked>>	60%	24729	57%	**50	100%
[Shooters World Heavy Pistol]*	<<locked>>	73%	26397	61%	**07	81%
[Shooters World Major Pistol]*	<<locked>>	61%	22031	51%	**32	84%
Somchem MP200	<<locked>>	62%	26760	62%	**29	100%
Somchem MS200	<<locked>>	61%	24134	55%	**66	100%
Somchem S221	<<locked>>	61%	28674	66%	**20	95%
Vihtavuori 3N37	<<locked>>	61%	21292	49%	**76	99%
[Vihtavuori 3N38]*	<<locked>>	63%	15708	36%	**4	82%
[Vihtavuori N105]*	<<locked>>	66%	13169	30%	**8	82%
Vihtavuori N320	<<locked>>	61%	27296	63%	**40	100%
Vihtavuori N32C Tin Star	<<locked>>	61%	16186	37%	**3	100%
Vihtavuori N330	<<locked>>	61%	25802	59%	**76	100%
Vihtavuori N340	<<locked>>	60%	22510	52%	**47	100%
Vihtavuori N350	<<locked>>	61%	19029	44%	**27	98%
Winchester 231	<<locked>>	61%	35331	81%	**68	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