Load data for .357 Magnum + .356 | 145gr | LOS HP

Recommended Powder(s): Vihtavuori 3N37, Vihtavuori N350

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.356 \| 145gr \| LOS HP
Bullet Weight:	145gr \| 9.4g
Bullet Diameter:	0.356" \| 9.04mm
Bullet Length:	0.650" \| 16.5mm
Caliber:	.357 Magnum load data
Case Length (l3):	1.290" \| 32.8mm
Cartridge Length (C.O.L.):	1.566" \| 39.8mm
Seated Depth:	0.374" \| 9.5mm
Shank Seated Depth:	0.374" \| 9.5mm
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_B3512_C513
Last updated:	2025-02-02

Load data for 120 loads in caliber .357 Magnum with .356 | 145gr | LOS HP bullet and 60 powders such as 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>>	94%	35230	81%	**62	98%
ADI AP 70N	<<locked>>	67%	37710	87%	**73	100%
ADI APS 350	<<locked>>	73%	37043	85%	**96	100%
ADI APS 450	<<locked>>	77%	38624	89%	**48	100%
ADI AS 30	<<locked>>	76%	36985	85%	**71	100%
ADI AS 50N	<<locked>>	74%	38986	90%	**37	100%
Accurate No. 2	<<locked>>	73%	36666	84%	**93	100%
Accurate No. 7	<<locked>>	77%	38305	88%	**50	92%
[Accurate No. 9]*	<<locked>>	85%	37579	86%	**37	86%
Accurate Solo 1000	<<locked>>	76%	38043	87%	**07	100%
Accurate Solo 1250	<<locked>>	81%	38101	88%	**66	100%
[Accurate TCM]*	<<locked>>	85%	38363	88%	**40	88%
[Alliant 2400]*	<<locked>>	96%	37144	85%	**47	83%
Alliant BLUE DOT	<<locked>>	96%	35882	82%	**17	91%
Alliant BULLSEYE	<<locked>>	70%	36709	84%	**22	100%
Alliant POWER PISTOL	<<locked>>	79%	36999	85%	**27	98%
Alliant UNIQUE	<<locked>>	80%	37391	86%	**32	100%
Baschieri & Pellagri 100	<<locked>>	78%	38754	89%	**17	100%
Hodgdon Clays	<<locked>>	73%	37739	87%	**15	100%
Hodgdon HS-6	<<locked>>	67%	38769	89%	**81	100%
Hodgdon Longshot	<<locked>>	63%	37275	86%	**65	100%
Hodgdon Universal	<<locked>>	74%	37710	87%	**73	100%
Hodgdon TrailBoss	<<locked>>	92%	15461	36%	**6	100%
Lovex D037.1	<<locked>>	77%	38305	88%	**50	92%
[Lovex D037.2]*	<<locked>>	84%	37579	86%	**37	86%
Lovex S011	<<locked>>	67%	38798	89%	**47	100%
Lovex S020	<<locked>>	73%	37623	86%	**93	100%
Maxam CSB 1	<<locked>>	85%	38827	89%	**66	100%
Maxam CSB 2	<<locked>>	78%	36201	83%	**40	100%
Maxam CSB 3	<<locked>>	79%	37565	86%	**37	100%
Maxam CSB 4	<<locked>>	75%	36550	84%	**01	100%
Maxam CSB 5	<<locked>>	72%	37898	87%	**68	100%
[Ramshot Enforcer]*	<<locked>>	95%	35331	81%	**40	83%
Ramshot Silhouette	<<locked>>	68%	38899	89%	**52	100%
Ramshot True Blue	<<locked>>	63%	38885	89%	**75	100%
ReloadSwiss RS 12	<<locked>>	68%	36492	84%	**27	100%
ReloadSwiss RS 14	<<locked>>	96%	15374	35%	**2	100%
ReloadSwiss RS 20	<<locked>>	83%	38856	89%	**45	100%
ReloadSwiss RS 24	<<locked>>	82%	36753	84%	**24	94%
Rottweil P 801	<<locked>>	63%	36100	83%	**94	100%
Rottweil P 806	<<locked>>	88%	38711	89%	**70	100%
SNPE Vectan A0	<<locked>>	84%	37782	87%	**99	100%
SNPE Vectan BA 9	<<locked>>	76%	37811	87%	**66	100%
SNPE Vectan BA10	<<locked>>	72%	38609	89%	**48	100%
SNPE Vectan BA7 1/2	<<locked>>	89%	38072	88%	**58	100%
SNPE Vectan BA9 1/2	<<locked>>	77%	37579	86%	**70	100%
[Shooters World Heavy Pistol]*	<<locked>>	84%	37579	86%	**37	86%
Shooters World Major Pistol	<<locked>>	77%	38305	88%	**50	92%
Somchem MP200	<<locked>>	74%	38000	87%	**35	100%
Somchem MS200	<<locked>>	77%	36289	83%	**89	100%
Somchem S221	<<locked>>	69%	37884	87%	**07	97%
Vihtavuori 3N37 👍	<<locked>>	80%	36738	84%	**62	100%
Vihtavuori 3N38	<<locked>>	94%	38101	88%	**27	95%
Vihtavuori N105	<<locked>>	95%	31401	72%	**88	97%
Vihtavuori N320	<<locked>>	72%	36289	83%	**01	100%
Vihtavuori N32C Tin Star	<<locked>>	93%	33127	76%	**99	100%
Vihtavuori N330	<<locked>>	74%	37101	85%	**66	100%
Vihtavuori N340	<<locked>>	79%	37869	87%	**09	100%
Vihtavuori N350 👍	<<locked>>	84%	36811	85%	**58	100%
Winchester 231	<<locked>>	64%	37913	87%	**53	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	61%	14939	34%	**1	86%
ADI AP 70N	<<locked>>	61%	31821	73%	**07	100%
ADI APS 350	<<locked>>	60%	27630	63%	**8	100%
ADI APS 450	<<locked>>	61%	26948	62%	**10	100%
ADI AS 30	<<locked>>	60%	25179	58%	**20	100%
ADI AS 50N	<<locked>>	60%	27383	63%	**96	100%
Accurate No. 2	<<locked>>	61%	24816	57%	**29	100%
[Accurate No. 7]*	<<locked>>	61%	22205	51%	**88	83%
[Accurate No. 9]*	<<locked>>	75%	27050	62%	**70	80%
Accurate Solo 1000	<<locked>>	61%	26455	61%	**66	100%
Accurate Solo 1250	<<locked>>	60%	21959	50%	**56	100%
[Accurate TCM]*	<<locked>>	73%	25570	59%	**34	80%
[Alliant 2400]*	<<locked>>	91%	32706	75%	**78	81%
[Alliant BLUE DOT]*	<<locked>>	76%	20943	48%	**48	80%
Alliant BULLSEYE	<<locked>>	61%	28413	65%	**07	100%
Alliant POWER PISTOL	<<locked>>	61%	21553	50%	**61	92%
Alliant UNIQUE	<<locked>>	61%	22466	52%	**19	100%
Baschieri & Pellagri 100	<<locked>>	60%	24540	56%	**50	100%
Hodgdon Clays	<<locked>>	60%	28007	64%	**04	100%
Hodgdon HS-6	<<locked>>	61%	31314	72%	**89	99%
Hodgdon Longshot	<<locked>>	61%	34679	80%	**25	100%
Hodgdon Universal	<<locked>>	61%	26789	62%	**35	100%
Hodgdon TrailBoss	<<locked>>	61%	8630	20%	**9	100%
[Lovex D037.1]*	<<locked>>	61%	22205	51%	**88	83%
[Lovex D037.2]*	<<locked>>	74%	27050	62%	**70	80%
Lovex S011	<<locked>>	61%	32561	75%	**78	100%
Lovex S020	<<locked>>	61%	26107	60%	**52	100%
Maxam CSB 1	<<locked>>	61%	21074	48%	**37	100%
Maxam CSB 2	<<locked>>	61%	23076	53%	**73	100%
Maxam CSB 3	<<locked>>	61%	23917	55%	**60	100%
Maxam CSB 4	<<locked>>	60%	25222	58%	**60	100%
Maxam CSB 5	<<locked>>	61%	28558	66%	**63	100%
[Ramshot Enforcer]*	<<locked>>	91%	30908	71%	**68	81%
Ramshot Silhouette	<<locked>>	61%	30980	71%	**53	100%
Ramshot True Blue	<<locked>>	61%	36521	84%	**48	100%
ReloadSwiss RS 12	<<locked>>	62%	30705	71%	**61	100%
ReloadSwiss RS 14	<<locked>>	60%	8006	18%	**2	100%
ReloadSwiss RS 20	<<locked>>	62%	21277	49%	**02	100%
[ReloadSwiss RS 24]*	<<locked>>	61%	19363	45%	**09	83%
Rottweil P 801	<<locked>>	60%	33359	77%	**61	100%
Rottweil P 806	<<locked>>	61%	15650	36%	**66	92%
SNPE Vectan A0	<<locked>>	61%	21205	49%	**60	100%
SNPE Vectan BA 9	<<locked>>	61%	25251	58%	**06	100%
SNPE Vectan BA10	<<locked>>	61%	29588	68%	**47	100%
SNPE Vectan BA7 1/2	<<locked>>	61%	17666	41%	**20	94%
SNPE Vectan BA9 1/2	<<locked>>	61%	24555	56%	**02	100%
[Shooters World Heavy Pistol]*	<<locked>>	74%	27050	62%	**70	80%
[Shooters World Major Pistol]*	<<locked>>	61%	22205	51%	**88	83%
Somchem MP200	<<locked>>	60%	25425	58%	**58	100%
Somchem MS200	<<locked>>	62%	24105	55%	**19	100%
Somchem S221	<<locked>>	61%	29080	67%	**83	94%
Vihtavuori 3N37	<<locked>>	62%	20914	48%	**15	98%
[Vihtavuori 3N38]*	<<locked>>	66%	16839	39%	**40	81%
[Vihtavuori N105]*	<<locked>>	69%	14272	33%	**14	81%
Vihtavuori N320	<<locked>>	62%	27267	63%	**96	100%
Vihtavuori N32C Tin Star	<<locked>>	60%	15809	36%	**6	100%
Vihtavuori N330	<<locked>>	62%	25643	59%	**29	100%
Vihtavuori N340	<<locked>>	61%	22437	52%	**96	100%
Vihtavuori N350	<<locked>>	61%	18768	43%	**66	97%
Winchester 231	<<locked>>	61%	34853	80%	**20	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