Load data for .357 Magnum + .355 | 124gr | Sierra Sig V-Crown

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

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.355 \| 124gr \| Sierra Sig V-Crown
Manufacturer SKU:	9924
Bullet Weight:	124gr \| 8.0g
Bullet Diameter:	0.355" \| 9.02mm
Bullet Length:	0.531" \| 13.5mm
Caliber:	.357 Magnum load data
Case Length (l3):	1.290" \| 32.8mm
Cartridge Length (C.O.L.):	1.566" \| 39.8mm
Seated Depth:	0.255" \| 6.5mm
Shank Seated Depth:	0.255" \| 6.5mm
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_B5937_C513
Last updated:	2025-01-01

Load data for 116 loads in caliber .357 Magnum with .355 | 124gr | Sierra Sig V-Crown bullet and 58 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>>	96%	36912	85%	**49	98%
ADI AP 70N	<<locked>>	66%	36608	84%	**24	100%
ADI APS 350	<<locked>>	73%	36405	84%	**37	100%
ADI APS 450	<<locked>>	75%	36927	85%	**80	100%
ADI AS 30	<<locked>>	78%	37971	87%	**39	100%
ADI AS 50N	<<locked>>	73%	37594	86%	**81	100%
Accurate No. 2	<<locked>>	74%	37043	85%	**53	100%
Accurate No. 7	<<locked>>	76%	37797	87%	**11	91%
[Accurate No. 9]*	<<locked>>	85%	39073	90%	**08	85%
Accurate Solo 1000	<<locked>>	77%	38580	89%	**78	100%
Accurate Solo 1250	<<locked>>	82%	38508	89%	**37	100%
[Accurate TCM]*	<<locked>>	84%	38014	87%	**88	86%
[Alliant BLUE DOT]*	<<locked>>	95%	34983	80%	**49	89%
Alliant BULLSEYE	<<locked>>	71%	37710	87%	**06	100%
Alliant POWER PISTOL	<<locked>>	81%	39102	90%	**31	98%
Alliant UNIQUE	<<locked>>	80%	36985	85%	**99	100%
Baschieri & Pellagri 100	<<locked>>	76%	36767	85%	**58	100%
Hodgdon Clays	<<locked>>	73%	37130	85%	**63	100%
Hodgdon HS-6	<<locked>>	66%	37927	87%	**42	100%
Hodgdon Longshot	<<locked>>	64%	39146	90%	**49	100%
Hodgdon Universal	<<locked>>	75%	38000	87%	**47	100%
Hodgdon TrailBoss	<<locked>>	93%	15374	35%	**8	100%
Lovex D037.1	<<locked>>	76%	37797	87%	**11	91%
[Lovex D037.2]*	<<locked>>	84%	38174	88%	**94	85%
Lovex S011	<<locked>>	67%	38522	89%	**07	100%
Lovex S020	<<locked>>	74%	38957	90%	**73	100%
Maxam CSB 1	<<locked>>	85%	38798	89%	**37	100%
Maxam CSB 2	<<locked>>	79%	36477	84%	**07	100%
Maxam CSB 3	<<locked>>	79%	37391	86%	**94	100%
Maxam CSB 4	<<locked>>	77%	38450	88%	**81	100%
Maxam CSB 5	<<locked>>	74%	39044	90%	**35	100%
Ramshot Silhouette	<<locked>>	67%	38508	89%	**09	100%
Ramshot True Blue	<<locked>>	63%	38638	89%	**35	100%
ReloadSwiss RS 12	<<locked>>	69%	37275	86%	**98	100%
ReloadSwiss RS 14	<<locked>>	96%	15011	35%	**01	100%
ReloadSwiss RS 20	<<locked>>	82%	37797	87%	**96	100%
ReloadSwiss RS 24	<<locked>>	82%	37811	87%	**08	94%
Rottweil P 801	<<locked>>	66%	38392	88%	**75	100%
Rottweil P 806	<<locked>>	87%	38072	88%	**31	100%
SNPE Vectan A0	<<locked>>	83%	37144	85%	**57	100%
SNPE Vectan BA 9	<<locked>>	77%	38508	89%	**40	100%
SNPE Vectan BA10	<<locked>>	70%	36927	85%	**80	100%
SNPE Vectan BA7 1/2	<<locked>>	89%	38508	89%	**29	100%
SNPE Vectan BA9 1/2	<<locked>>	77%	37608	86%	**30	100%
[Shooters World Heavy Pistol]*	<<locked>>	84%	38174	88%	**94	85%
Shooters World Major Pistol	<<locked>>	76%	37797	87%	**11	91%
Somchem MP200	<<locked>>	76%	39160	90%	**19	100%
Somchem MS200	<<locked>>	80%	38783	89%	**86	100%
Somchem S221	<<locked>>	69%	37898	87%	**78	96%
Vihtavuori 3N37 👍	<<locked>>	81%	37666	87%	**49	100%
Vihtavuori 3N38	<<locked>>	93%	37347	86%	**75	94%
Vihtavuori N105	<<locked>>	97%	33417	77%	**85	96%
Vihtavuori N320	<<locked>>	73%	36825	85%	**71	100%
Vihtavuori N32C Tin Star	<<locked>>	96%	34621	80%	**63	100%
Vihtavuori N330	<<locked>>	75%	37289	86%	**34	100%
Vihtavuori N340	<<locked>>	79%	37275	86%	**70	100%
Vihtavuori N350 👍	<<locked>>	85%	38319	88%	**39	100%
Winchester 231	<<locked>>	63%	36970	85%	**04	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	61%	14286	33%	**66	83%
ADI AP 70N	<<locked>>	61%	31865	73%	**65	100%
ADI APS 350	<<locked>>	62%	28413	65%	**32	100%
ADI APS 450	<<locked>>	62%	27151	62%	**45	100%
ADI AS 30	<<locked>>	61%	25614	59%	**65	100%
ADI AS 50N	<<locked>>	61%	27775	64%	**47	100%
Accurate No. 2	<<locked>>	60%	24453	56%	**66	100%
[Accurate No. 7]*	<<locked>>	61%	21973	51%	**16	81%
[Accurate No. 9]*	<<locked>>	77%	29298	67%	**50	80%
Accurate Solo 1000	<<locked>>	61%	26078	60%	**01	100%
Accurate Solo 1250	<<locked>>	61%	22292	51%	**98	100%
[Accurate TCM]*	<<locked>>	76%	28413	65%	**27	81%
[Alliant BLUE DOT]*	<<locked>>	80%	23511	54%	**25	81%
Alliant BULLSEYE	<<locked>>	60%	27934	64%	**48	100%
Alliant POWER PISTOL	<<locked>>	61%	21683	50%	**96	90%
Alliant UNIQUE	<<locked>>	61%	22147	51%	**53	100%
Baschieri & Pellagri 100	<<locked>>	61%	24729	57%	**91	100%
Hodgdon Clays	<<locked>>	62%	28892	66%	**52	100%
Hodgdon HS-6	<<locked>>	61%	31430	72%	**47	99%
Hodgdon Longshot	<<locked>>	61%	34766	80%	**93	100%
Hodgdon Universal	<<locked>>	61%	26426	61%	**76	100%
Hodgdon TrailBoss	<<locked>>	62%	8311	19%	**1	100%
[Lovex D037.1]*	<<locked>>	61%	21973	51%	**16	81%
[Lovex D037.2]*	<<locked>>	77%	30298	70%	**73	81%
Lovex S011	<<locked>>	62%	33330	77%	**39	100%
Lovex S020	<<locked>>	61%	26455	61%	**02	100%
Maxam CSB 1	<<locked>>	62%	21364	49%	**78	100%
Maxam CSB 2	<<locked>>	61%	22989	53%	**11	100%
Maxam CSB 3	<<locked>>	60%	23467	54%	**91	100%
Maxam CSB 4	<<locked>>	62%	25991	60%	**17	100%
Maxam CSB 5	<<locked>>	61%	28485	65%	**04	100%
Ramshot Silhouette	<<locked>>	61%	31705	73%	**14	100%
Ramshot True Blue	<<locked>>	61%	36332	84%	**03	100%
ReloadSwiss RS 12	<<locked>>	61%	29820	69%	**99	100%
ReloadSwiss RS 14	<<locked>>	61%	7585	17%	**8	99%
ReloadSwiss RS 20	<<locked>>	61%	20653	47%	**30	100%
[ReloadSwiss RS 24]*	<<locked>>	61%	19189	44%	**27	81%
Rottweil P 801	<<locked>>	61%	33330	77%	**16	100%
Rottweil P 806	<<locked>>	61%	15302	35%	**65	90%
SNPE Vectan A0	<<locked>>	61%	21031	48%	**84	100%
SNPE Vectan BA 9	<<locked>>	61%	25338	58%	**50	100%
SNPE Vectan BA10	<<locked>>	61%	29399	68%	**78	100%
SNPE Vectan BA7 1/2	<<locked>>	60%	17477	40%	**35	93%
SNPE Vectan BA9 1/2	<<locked>>	61%	24366	56%	**37	100%
[Shooters World Heavy Pistol]*	<<locked>>	77%	30298	70%	**73	81%
[Shooters World Major Pistol]*	<<locked>>	61%	21973	51%	**16	81%
Somchem MP200	<<locked>>	62%	26121	60%	**16	100%
Somchem MS200	<<locked>>	61%	23627	54%	**50	100%
Somchem S221	<<locked>>	61%	28369	65%	**21	92%
Vihtavuori 3N37	<<locked>>	61%	20494	47%	**40	97%
[Vihtavuori 3N38]*	<<locked>>	69%	18478	42%	**14	82%
[Vihtavuori N105]*	<<locked>>	72%	15606	36%	**75	81%
Vihtavuori N320	<<locked>>	61%	26455	61%	**27	100%
Vihtavuori N32C Tin Star	<<locked>>	61%	15882	36%	**1	100%
Vihtavuori N330	<<locked>>	61%	25179	58%	**63	100%
Vihtavuori N340	<<locked>>	60%	22002	51%	**24	100%
Vihtavuori N350	<<locked>>	61%	18710	43%	**88	95%
Winchester 231	<<locked>>	61%	34330	79%	**75	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