Load data for .357 Magnum + .355 | 125gr | Sierra Sig V-Crown

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

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.355 \| 125gr \| Sierra Sig V-Crown
Manufacturer SKU:	9925
Bullet Weight:	125gr \| 8.1g
Bullet Diameter:	0.355" \| 9.02mm
Bullet Length:	0.533" \| 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:	0.257" \| 6.5mm
Shank Seated Depth:	0.257" \| 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_B5940_C513
Last updated:	2025-02-02

Load data for 112 loads in caliber .357 Magnum with .355 | 125gr | Sierra Sig V-Crown bullet and 56 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%	37115	85%	**45	98%
ADI AP 70N	<<locked>>	66%	36970	85%	**24	100%
ADI AS 30	<<locked>>	78%	38319	88%	**35	100%
ADI AS 50N	<<locked>>	73%	37869	87%	**78	100%
Accurate No. 2	<<locked>>	74%	37391	86%	**50	100%
Accurate No. 7	<<locked>>	75%	37115	85%	**94	91%
[Accurate No. 9]*	<<locked>>	84%	37289	86%	**78	85%
Accurate Solo 1000	<<locked>>	77%	38885	89%	**71	100%
Accurate Solo 1250	<<locked>>	82%	38870	89%	**34	100%
[Accurate TCM]*	<<locked>>	85%	38305	88%	**88	87%
Alliant BULLSEYE	<<locked>>	71%	38043	87%	**03	100%
Alliant POWER PISTOL	<<locked>>	80%	38305	88%	**08	98%
Alliant UNIQUE	<<locked>>	80%	37188	85%	**93	100%
Baschieri & Pellagri 100	<<locked>>	76%	36956	85%	**55	100%
Hodgdon Clays	<<locked>>	75%	38812	89%	**76	100%
Hodgdon HS-6	<<locked>>	66%	38145	88%	**39	100%
Hodgdon Longshot	<<locked>>	62%	37231	86%	**12	100%
Hodgdon Universal	<<locked>>	75%	38406	88%	**44	100%
Hodgdon TrailBoss	<<locked>>	93%	15534	36%	**8	100%
Lovex D037.1	<<locked>>	75%	37115	85%	**94	91%
[Lovex D037.2]*	<<locked>>	84%	38479	88%	**94	85%
Lovex S011	<<locked>>	66%	37550	86%	**85	100%
Lovex S020	<<locked>>	72%	36332	84%	**37	100%
Maxam CSB 1	<<locked>>	84%	37869	87%	**17	100%
Maxam CSB 2	<<locked>>	79%	36912	85%	**07	100%
Maxam CSB 3	<<locked>>	79%	37536	86%	**91	100%
Maxam CSB 4	<<locked>>	77%	38609	89%	**75	100%
Maxam CSB 5	<<locked>>	71%	36521	84%	**99	100%
[Ramshot Enforcer]*	<<locked>>	97%	38145	88%	**34	84%
Ramshot Silhouette	<<locked>>	67%	38899	89%	**09	100%
Ramshot True Blue	<<locked>>	63%	39044	90%	**35	100%
ReloadSwiss RS 12	<<locked>>	69%	37681	87%	**94	100%
ReloadSwiss RS 14	<<locked>>	97%	15098	35%	**01	100%
ReloadSwiss RS 20	<<locked>>	82%	38247	88%	**93	100%
ReloadSwiss RS 24	<<locked>>	83%	38247	88%	**94	94%
Rottweil P 801	<<locked>>	66%	38682	89%	**71	100%
Rottweil P 806	<<locked>>	87%	38711	89%	**17	100%
SNPE Vectan A0	<<locked>>	83%	37289	86%	**53	100%
SNPE Vectan BA 9	<<locked>>	75%	37521	86%	**21	100%
SNPE Vectan BA10	<<locked>>	70%	37202	85%	**73	100%
SNPE Vectan BA7 1/2	<<locked>>	89%	38682	89%	**26	100%
SNPE Vectan BA9 1/2	<<locked>>	77%	37985	87%	**30	100%
[Shooters World Heavy Pistol]*	<<locked>>	84%	38479	88%	**94	85%
Shooters World Major Pistol	<<locked>>	75%	37115	85%	**94	91%
Somchem MP200	<<locked>>	75%	38377	88%	**99	100%
Somchem MS200	<<locked>>	80%	39146	90%	**83	100%
Somchem S221	<<locked>>	69%	38392	88%	**78	96%
Vihtavuori 3N37 👍	<<locked>>	81%	38072	87%	**32	100%
Vihtavuori 3N38	<<locked>>	93%	37608	86%	**75	94%
Vihtavuori N105	<<locked>>	95%	31546	73%	**42	96%
Vihtavuori N320	<<locked>>	73%	36956	85%	**68	100%
Vihtavuori N32C Tin Star	<<locked>>	96%	34998	80%	**60	100%
Vihtavuori N330	<<locked>>	75%	37449	86%	**27	100%
Vihtavuori N340	<<locked>>	79%	37637	87%	**67	100%
Vihtavuori N350 👍	<<locked>>	85%	38508	88%	**35	100%
Winchester 231	<<locked>>	63%	37115	85%	**98	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	61%	14446	33%	**66	84%
ADI AP 70N	<<locked>>	61%	32198	74%	**65	100%
ADI AS 30	<<locked>>	61%	25585	59%	**58	100%
ADI AS 50N	<<locked>>	61%	27905	64%	**43	100%
Accurate No. 2	<<locked>>	61%	24584	57%	**63	100%
[Accurate No. 7]*	<<locked>>	61%	21553	50%	**96	81%
[Accurate No. 9]*	<<locked>>	77%	29733	68%	**57	81%
Accurate Solo 1000	<<locked>>	61%	26310	60%	**98	100%
Accurate Solo 1250	<<locked>>	61%	22379	51%	**94	100%
[Accurate TCM]*	<<locked>>	74%	27064	62%	**07	80%
Alliant BULLSEYE	<<locked>>	61%	28181	65%	**45	100%
[Alliant POWER PISTOL]*	<<locked>>	60%	21205	49%	**73	89%
Alliant UNIQUE	<<locked>>	61%	22394	51%	**43	100%
Baschieri & Pellagri 100	<<locked>>	61%	24961	57%	**88	100%
Hodgdon Clays	<<locked>>	60%	27833	64%	**32	100%
Hodgdon HS-6	<<locked>>	61%	31763	73%	**47	99%
Hodgdon Longshot	<<locked>>	61%	35128	81%	**93	100%
Hodgdon Universal	<<locked>>	61%	26527	61%	**73	100%
Hodgdon TrailBoss	<<locked>>	62%	8354	19%	**1	100%
[Lovex D037.1]*	<<locked>>	61%	21553	50%	**96	81%
[Lovex D037.2]*	<<locked>>	77%	30748	71%	**76	81%
Lovex S011	<<locked>>	60%	32184	74%	**16	100%
Lovex S020	<<locked>>	61%	26745	61%	**99	100%
Maxam CSB 1	<<locked>>	60%	20610	47%	**55	100%
Maxam CSB 2	<<locked>>	62%	23235	53%	**11	100%
Maxam CSB 3	<<locked>>	61%	23569	54%	**88	100%
Maxam CSB 4	<<locked>>	62%	26223	60%	**14	100%
Maxam CSB 5	<<locked>>	61%	28587	66%	**98	100%
[Ramshot Enforcer]*	<<locked>>	91%	32169	74%	**32	80%
Ramshot Silhouette	<<locked>>	61%	31865	73%	**11	100%
Ramshot True Blue	<<locked>>	61%	36695	84%	**03	100%
ReloadSwiss RS 12	<<locked>>	61%	30095	69%	**96	100%
ReloadSwiss RS 14	<<locked>>	61%	7629	18%	**8	99%
ReloadSwiss RS 20	<<locked>>	61%	20871	48%	**20	100%
[ReloadSwiss RS 24]*	<<locked>>	61%	19305	44%	**24	81%
Rottweil P 801	<<locked>>	61%	33605	77%	**12	100%
Rottweil P 806	<<locked>>	61%	15563	36%	**71	90%
SNPE Vectan A0	<<locked>>	61%	21103	49%	**84	100%
SNPE Vectan BA 9	<<locked>>	60%	24714	57%	**37	100%
SNPE Vectan BA10	<<locked>>	61%	29588	68%	**75	100%
SNPE Vectan BA7 1/2	<<locked>>	61%	17666	41%	**35	93%
SNPE Vectan BA9 1/2	<<locked>>	61%	24584	56%	**34	100%
[Shooters World Heavy Pistol]*	<<locked>>	77%	30748	71%	**76	81%
[Shooters World Major Pistol]*	<<locked>>	61%	21553	50%	**96	81%
Somchem MP200	<<locked>>	60%	25469	59%	**99	100%
Somchem MS200	<<locked>>	61%	23728	55%	**47	100%
Somchem S221	<<locked>>	61%	28718	66%	**21	93%
Vihtavuori 3N37	<<locked>>	61%	20465	47%	**37	97%
[Vihtavuori 3N38]*	<<locked>>	67%	17535	40%	**78	80%
[Vihtavuori N105]*	<<locked>>	70%	14707	34%	**42	80%
Vihtavuori N320	<<locked>>	61%	26701	61%	**24	100%
Vihtavuori N32C Tin Star	<<locked>>	61%	15853	36%	**8	100%
Vihtavuori N330	<<locked>>	62%	25454	58%	**63	100%
Vihtavuori N340	<<locked>>	61%	22234	51%	**24	100%
Vihtavuori N350	<<locked>>	61%	18797	43%	**88	96%
Winchester 231	<<locked>>	61%	34606	80%	**71	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