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

Recommended Powder(s): Alliant UNIQUE, ReloadSwiss RS 20, SNPE Vectan A0, Somchem MS200, Vihtavuori N340

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 SIG load data
Case Length (l3):	0.860" \| 21.8mm
Cartridge Length (C.O.L.):	1.123" \| 28.5mm
Seated Depth:	0.268" \| 6.8mm
Shank Seated Depth:	0.268" \| 6.8mm
Case Capacity:	19.5 Grains of Water \| 1.27 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	44237 psi \| 3050 bar
LID:	LID_B5937_C518
Last updated:	2025-02-02

Load data for 118 loads in caliber .357 SIG with .355 | 124gr | Sierra Sig V-Crown bullet and 59 powders such as Alliant UNIQUE, ReloadSwiss RS 20, SNPE Vectan A0, Somchem MS200, Vihtavuori N340. 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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Use the Personalized Load Calculator to customize loads to your own specific requirements. Find more details in the help section.

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>>	97%	27267	62%	**02	91%
ADI AP 70N	<<locked>>	79%	39798	90%	**91	100%
ADI APS 350	<<locked>>	82%	38174	86%	**71	100%
ADI APS 450	<<locked>>	85%	39015	88%	**14	100%
ADI AS 30	<<locked>>	89%	39291	89%	**73	100%
ADI AS 50N	<<locked>>	85%	39653	90%	**25	100%
Accurate No. 2	<<locked>>	85%	39378	89%	**91	100%
Accurate No. 5	<<locked>>	71%	39494	89%	**96	98%
[Accurate No. 7]*	<<locked>>	89%	38624	87%	**29	87%
Accurate Solo 1000	<<locked>>	87%	39175	89%	**99	100%
Accurate Solo 1250	<<locked>>	94%	39755	90%	**68	100%
Alliant BULLSEYE	<<locked>>	83%	39436	89%	**47	100%
Alliant POWER PISTOL	<<locked>>	94%	39537	89%	**39	96%
Alliant UNIQUE 👍	<<locked>>	93%	38043	86%	**37	100%
Baschieri & Pellagri 100	<<locked>>	87%	38580	87%	**96	100%
Hodgdon Clays	<<locked>>	82%	38580	87%	**91	100%
Hodgdon HP38	<<locked>>	66%	39102	88%	**45	100%
Hodgdon HS-6	<<locked>>	77%	39233	89%	**70	99%
Hodgdon Longshot	<<locked>>	73%	38551	87%	**57	99%
Hodgdon Universal	<<locked>>	88%	39798	90%	**91	100%
Hodgdon TrailBoss	<<locked>>	93%	11719	26%	**0	100%
Lovex D036	<<locked>>	71%	39682	90%	**99	98%
[Lovex D037.1]*	<<locked>>	89%	38624	87%	**29	87%
Lovex S011	<<locked>>	75%	38754	88%	**25	100%
Lovex S020	<<locked>>	85%	38827	88%	**94	100%
Maxam CSB 1	<<locked>>	95%	37130	84%	**39	100%
Maxam CSB 2	<<locked>>	95%	39523	89%	**78	100%
Maxam CSB 3	<<locked>>	91%	38682	87%	**32	100%
Maxam CSB 4	<<locked>>	88%	39305	89%	**12	100%
Maxam CSB 5	<<locked>>	82%	38261	86%	**50	100%
Ramshot Silhouette	<<locked>>	77%	38189	86%	**30	100%
Ramshot True Blue	<<locked>>	72%	39218	89%	**60	100%
Ramshot Zip	<<locked>>	67%	39363	89%	**58	100%
ReloadSwiss RS 12	<<locked>>	82%	39523	89%	**58	100%
ReloadSwiss RS 14	<<locked>>	95%	10907	25%	**6	100%
ReloadSwiss RS 20 👍	<<locked>>	96%	38551	87%	**37	100%
ReloadSwiss RS 24	<<locked>>	96%	39160	89%	**26	90%
Rottweil P 801	<<locked>>	76%	39624	90%	**22	100%
Rottweil P 806	<<locked>>	97%	31343	71%	**83	98%
SNPE Vectan A0 👍	<<locked>>	96%	38305	87%	**81	100%
SNPE Vectan BA 9	<<locked>>	87%	38740	88%	**58	100%
SNPE Vectan BA10	<<locked>>	79%	39015	88%	**14	100%
SNPE Vectan BA7 1/2	<<locked>>	96%	33881	77%	**78	98%
SNPE Vectan BA9 1/2	<<locked>>	89%	38885	88%	**71	100%
Shooters World Auto Pistol	<<locked>>	71%	39682	90%	**99	98%
[Shooters World Major Pistol]*	<<locked>>	89%	38624	87%	**29	87%
Somchem MP200	<<locked>>	87%	39726	90%	**47	100%
Somchem MS200 👍	<<locked>>	92%	39653	90%	**14	100%
Somchem S221	<<locked>>	80%	38580	87%	**96	93%
Vihtavuori 3N37	<<locked>>	95%	39146	89%	**80	100%
[Vihtavuori 3N38]*	<<locked>>	96%	27572	62%	**32	85%
[Vihtavuori N105]*	<<locked>>	97%	21379	48%	**60	83%
Vihtavuori N310	<<locked>>	70%	38014	86%	**11	100%
Vihtavuori N320	<<locked>>	85%	38348	87%	**12	100%
Vihtavuori N32C Tin Star	<<locked>>	97%	27340	62%	**12	100%
Vihtavuori N330	<<locked>>	88%	39552	89%	**88	100%
Vihtavuori N340 👍	<<locked>>	91%	37855	86%	**98	100%
Vihtavuori N350	<<locked>>	97%	37637	85%	**57	100%
Winchester 231	<<locked>>	74%	39363	89%	**58	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	74%	15374	35%	**37	81%
ADI AP 70N	<<locked>>	61%	23859	54%	**78	100%
ADI APS 350	<<locked>>	60%	23192	52%	**4	100%
ADI APS 450	<<locked>>	60%	21959	50%	**01	100%
ADI AS 30	<<locked>>	61%	20610	47%	**20	100%
ADI AS 50N	<<locked>>	61%	21495	49%	**83	100%
Accurate No. 2	<<locked>>	61%	19160	43%	**83	96%
Accurate No. 5	<<locked>>	61%	27920	63%	**19	94%
[Accurate No. 7]*	<<locked>>	78%	26368	60%	**39	80%
Accurate Solo 1000	<<locked>>	61%	21060	48%	**53	100%
Accurate Solo 1250	<<locked>>	61%	16911	38%	**30	100%
Alliant BULLSEYE	<<locked>>	61%	22002	50%	**75	99%
[Alliant POWER PISTOL]*	<<locked>>	63%	16259	37%	**93	81%
Alliant UNIQUE	<<locked>>	61%	16563	37%	**63	97%
Baschieri & Pellagri 100	<<locked>>	61%	19218	43%	**33	100%
Hodgdon Clays	<<locked>>	60%	23438	53%	**01	100%
Hodgdon HP38	<<locked>>	61%	33620	76%	**83	100%
Hodgdon HS-6	<<locked>>	61%	22989	52%	**14	93%
Hodgdon Longshot	<<locked>>	61%	25846	58%	**70	96%
Hodgdon Universal	<<locked>>	61%	20001	45%	**06	100%
Hodgdon TrailBoss	<<locked>>	62%	6411	14%	**3	99%
Lovex D036	<<locked>>	61%	27862	63%	**16	94%
[Lovex D037.1]*	<<locked>>	78%	26368	60%	**39	80%
Lovex S011	<<locked>>	62%	26440	60%	**71	100%
Lovex S020	<<locked>>	60%	18753	42%	**99	99%
Maxam CSB 1	<<locked>>	62%	16157	37%	**10	100%
Maxam CSB 2	<<locked>>	60%	15824	36%	**27	100%
Maxam CSB 3	<<locked>>	61%	18710	42%	**43	100%
Maxam CSB 4	<<locked>>	60%	19551	44%	**43	100%
Maxam CSB 5	<<locked>>	60%	22336	50%	**47	100%
Ramshot Silhouette	<<locked>>	62%	24062	54%	**17	99%
Ramshot True Blue	<<locked>>	60%	26266	59%	**73	96%
Ramshot Zip	<<locked>>	61%	32416	73%	**73	100%
ReloadSwiss RS 12	<<locked>>	61%	21582	49%	**25	100%
ReloadSwiss RS 14	<<locked>>	65%	6367	14%	**3	95%
ReloadSwiss RS 20	<<locked>>	60%	14388	33%	**30	97%
[ReloadSwiss RS 24]*	<<locked>>	79%	23453	53%	**57	81%
Rottweil P 801	<<locked>>	62%	25933	59%	**58	100%
[Rottweil P 806]*	<<locked>>	67%	11458	26%	**24	81%
SNPE Vectan A0	<<locked>>	61%	16070	36%	**10	96%
SNPE Vectan BA 9	<<locked>>	60%	19072	43%	**66	100%
SNPE Vectan BA10	<<locked>>	61%	24816	56%	**43	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	61%	13126	30%	**1	84%
SNPE Vectan BA9 1/2	<<locked>>	61%	18724	42%	**73	100%
Shooters World Auto Pistol	<<locked>>	61%	27862	63%	**16	94%
[Shooters World Major Pistol]*	<<locked>>	78%	26368	60%	**39	80%
Somchem MP200	<<locked>>	60%	19014	43%	**12	97%
Somchem MS200	<<locked>>	60%	17448	39%	**56	98%
[Somchem S221]*	<<locked>>	61%	20523	46%	**75	82%
[Vihtavuori 3N37]*	<<locked>>	61%	14591	33%	**30	88%
[Vihtavuori 3N38]*	<<locked>>	88%	22046	50%	**30	81%
[Vihtavuori N105]*	<<locked>>	92%	18492	42%	**91	80%
Vihtavuori N310	<<locked>>	61%	29791	67%	**22	100%
Vihtavuori N320	<<locked>>	60%	19696	45%	**60	100%
Vihtavuori N32C Tin Star	<<locked>>	60%	11473	26%	**0	100%
Vihtavuori N330	<<locked>>	60%	17506	40%	**76	100%
Vihtavuori N340	<<locked>>	61%	16694	38%	**50	97%
[Vihtavuori N350]*	<<locked>>	61%	13460	30%	**1	87%
Winchester 231	<<locked>>	60%	26440	60%	**91	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