Load data for .357 SIG + .355 | 125gr | 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 \| 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 SIG load data
Case Length (l3):	0.860" \| 21.8mm
Cartridge Length (C.O.L.):	1.123" \| 28.5mm
Seated Depth:	0.270" \| 6.9mm
Shank Seated Depth:	0.270" \| 6.9mm
Case Capacity:	19.5 Grains of Water \| 1.27 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	44237 psi \| 3050 bar
LID:	LID_B5940_C518
Last updated:	2025-02-02

Load data for 114 loads in caliber .357 SIG with .355 | 125gr | Sierra Sig V-Crown bullet and 57 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%	27673	63%	**02	92%
ADI AP 70N	<<locked>>	77%	38290	87%	**68	100%
ADI AS 30	<<locked>>	89%	39610	90%	**70	100%
ADI AS 50N	<<locked>>	83%	38159	86%	**02	100%
Accurate No. 2	<<locked>>	85%	39610	90%	**91	100%
Accurate No. 5	<<locked>>	70%	38450	87%	**73	97%
[Accurate No. 7]*	<<locked>>	89%	39349	89%	**35	87%
Accurate Solo 1000	<<locked>>	88%	39537	89%	**96	100%
Accurate Solo 1250	<<locked>>	92%	38203	86%	**48	100%
Alliant BULLSEYE	<<locked>>	81%	38130	86%	**17	100%
Alliant POWER PISTOL	<<locked>>	93%	38276	87%	**22	96%
Alliant UNIQUE 👍	<<locked>>	94%	38537	87%	**37	100%
Baschieri & Pellagri 100	<<locked>>	88%	38798	88%	**89	100%
Hodgdon Clays	<<locked>>	82%	38986	88%	**88	100%
Hodgdon HP38	<<locked>>	66%	39305	89%	**42	100%
Hodgdon HS-6	<<locked>>	77%	39784	90%	**70	99%
Hodgdon Longshot	<<locked>>	73%	39088	88%	**57	100%
Hodgdon Universal	<<locked>>	86%	38290	87%	**68	100%
Hodgdon TrailBoss	<<locked>>	93%	11705	26%	**6	100%
Lovex D036	<<locked>>	70%	38377	87%	**73	97%
[Lovex D037.1]*	<<locked>>	89%	39349	89%	**35	87%
Lovex S011	<<locked>>	75%	38957	88%	**22	100%
Lovex S020	<<locked>>	85%	39436	89%	**94	100%
Maxam CSB 1	<<locked>>	95%	37623	85%	**39	100%
Maxam CSB 2	<<locked>>	93%	37637	85%	**55	100%
Maxam CSB 3	<<locked>>	91%	38928	88%	**29	100%
Maxam CSB 4	<<locked>>	88%	39552	89%	**09	100%
Maxam CSB 5	<<locked>>	82%	38551	87%	**43	100%
Ramshot Silhouette	<<locked>>	77%	38711	88%	**30	100%
Ramshot True Blue	<<locked>>	72%	39769	90%	**60	100%
Ramshot Zip	<<locked>>	65%	38203	86%	**35	100%
ReloadSwiss RS 12	<<locked>>	80%	37710	85%	**32	100%
ReloadSwiss RS 14	<<locked>>	96%	11095	25%	**6	100%
ReloadSwiss RS 20 👍	<<locked>>	96%	38798	88%	**34	100%
ReloadSwiss RS 24	<<locked>>	97%	39581	89%	**26	90%
Rottweil P 801	<<locked>>	75%	38276	87%	**99	100%
Rottweil P 806	<<locked>>	96%	30284	68%	**57	97%
SNPE Vectan A0 👍	<<locked>>	96%	38856	88%	**81	100%
SNPE Vectan BA 9	<<locked>>	87%	39015	88%	**55	100%
SNPE Vectan BA10	<<locked>>	80%	39334	89%	**11	100%
SNPE Vectan BA7 1/2	<<locked>>	97%	34418	78%	**81	98%
SNPE Vectan BA9 1/2	<<locked>>	89%	39465	89%	**71	100%
Shooters World Auto Pistol	<<locked>>	70%	38377	87%	**73	97%
[Shooters World Major Pistol]*	<<locked>>	89%	39349	89%	**35	87%
Somchem MP200	<<locked>>	86%	38493	87%	**21	100%
Somchem MS200 👍	<<locked>>	90%	38334	87%	**88	100%
Somchem S221	<<locked>>	81%	38682	87%	**83	93%
Vihtavuori 3N37	<<locked>>	95%	39494	89%	**76	100%
[Vihtavuori 3N38]*	<<locked>>	97%	27833	63%	**32	85%
[Vihtavuori N105]*	<<locked>>	96%	20450	46%	**34	83%
Vihtavuori N310	<<locked>>	70%	38377	87%	**07	100%
Vihtavuori N320	<<locked>>	85%	38798	88%	**09	100%
Vihtavuori N32C Tin Star	<<locked>>	95%	26179	59%	**96	100%
Vihtavuori N330	<<locked>>	89%	39755	90%	**85	100%
Vihtavuori N340 👍	<<locked>>	91%	38348	87%	**98	100%
Vihtavuori N350	<<locked>>	96%	36245	82%	**27	100%
Winchester 231	<<locked>>	73%	38203	86%	**35	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	74%	15606	35%	**33	81%
ADI AP 70N	<<locked>>	61%	24207	55%	**78	100%
ADI AS 30	<<locked>>	61%	20740	47%	**20	100%
ADI AS 50N	<<locked>>	61%	21756	49%	**76	100%
Accurate No. 2	<<locked>>	61%	19276	44%	**79	96%
Accurate No. 5	<<locked>>	61%	28137	64%	**16	94%
[Accurate No. 7]*	<<locked>>	78%	26861	61%	**35	80%
Accurate Solo 1000	<<locked>>	62%	21176	48%	**53	100%
Accurate Solo 1250	<<locked>>	61%	16998	38%	**30	100%
Alliant BULLSEYE	<<locked>>	61%	22307	50%	**71	100%
[Alliant POWER PISTOL]*	<<locked>>	63%	16505	37%	**93	81%
Alliant UNIQUE	<<locked>>	61%	16824	38%	**60	97%
Baschieri & Pellagri 100	<<locked>>	61%	19450	44%	**33	100%
Hodgdon Clays	<<locked>>	60%	23699	54%	**7	100%
Hodgdon HP38	<<locked>>	61%	34026	77%	**80	100%
Hodgdon HS-6	<<locked>>	61%	23337	53%	**17	93%
Hodgdon Longshot	<<locked>>	61%	26237	59%	**70	97%
Hodgdon Universal	<<locked>>	61%	20305	46%	**06	100%
Hodgdon TrailBoss	<<locked>>	62%	6527	15%	**9	99%
Lovex D036	<<locked>>	61%	28079	63%	**16	94%
[Lovex D037.1]*	<<locked>>	78%	26861	61%	**35	80%
Lovex S011	<<locked>>	62%	26571	60%	**68	100%
Lovex S020	<<locked>>	60%	19043	43%	**93	99%
Maxam CSB 1	<<locked>>	62%	16404	37%	**10	100%
Maxam CSB 2	<<locked>>	60%	15954	36%	**27	100%
Maxam CSB 3	<<locked>>	62%	18666	42%	**40	100%
Maxam CSB 4	<<locked>>	60%	19798	45%	**40	100%
Maxam CSB 5	<<locked>>	60%	22437	51%	**43	100%
Ramshot Silhouette	<<locked>>	60%	23235	53%	**98	98%
Ramshot True Blue	<<locked>>	61%	26629	60%	**66	97%
Ramshot Zip	<<locked>>	61%	32808	74%	**73	100%
ReloadSwiss RS 12	<<locked>>	61%	21930	50%	**25	100%
ReloadSwiss RS 14	<<locked>>	65%	6382	14%	**9	95%
ReloadSwiss RS 20	<<locked>>	61%	14605	33%	**27	97%
[ReloadSwiss RS 24]*	<<locked>>	78%	22945	52%	**43	80%
Rottweil P 801	<<locked>>	62%	26295	59%	**58	100%
[Rottweil P 806]*	<<locked>>	66%	10979	25%	**04	80%
SNPE Vectan A0	<<locked>>	61%	16157	37%	**07	96%
SNPE Vectan BA 9	<<locked>>	61%	19189	43%	**66	100%
SNPE Vectan BA10	<<locked>>	61%	25077	57%	**40	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	61%	13314	30%	**5	85%
SNPE Vectan BA9 1/2	<<locked>>	61%	18985	43%	**73	100%
Shooters World Auto Pistol	<<locked>>	61%	28079	63%	**16	94%
[Shooters World Major Pistol]*	<<locked>>	78%	26861	61%	**35	80%
Somchem MP200	<<locked>>	61%	19305	44%	**12	97%
Somchem MS200	<<locked>>	60%	17419	39%	**53	98%
[Somchem S221]*	<<locked>>	60%	19885	45%	**55	82%
[Vihtavuori 3N37]*	<<locked>>	61%	14692	33%	**30	88%
[Vihtavuori 3N38]*	<<locked>>	89%	22249	50%	**24	81%
[Vihtavuori N105]*	<<locked>>	92%	18666	42%	**94	81%
Vihtavuori N310	<<locked>>	61%	30066	68%	**19	100%
Vihtavuori N320	<<locked>>	60%	19957	45%	**60	100%
Vihtavuori N32C Tin Star	<<locked>>	61%	11676	26%	**0	100%
Vihtavuori N330	<<locked>>	60%	17608	40%	**73	100%
Vihtavuori N340	<<locked>>	61%	16810	38%	**50	97%
[Vihtavuori N350]*	<<locked>>	61%	13416	30%	**8	87%
Winchester 231	<<locked>>	61%	26600	60%	**88	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