Load data for .357 SIG + .357 | 125gr | H&N WC HS

Recommended Powder(s): ADI AP 70N, Alliant BULLSEYE, Alliant Sport Pistol, Ramshot Silhouette, Winchester 231

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.357 \| 125gr \| H&N WC HS
Bullet Weight:	125gr \| 8.1g
Bullet Diameter:	0.357" \| 9.07mm
Bullet Length:	0.578" \| 14.7mm
Caliber:	.357 SIG load data
Case Length (l3):	0.860" \| 21.8mm
Cartridge Length (C.O.L.):	0.860" \| 21.8mm
Seated Depth:	0.578" \| 14.7mm
Shank Seated Depth:	0.232" \| 5.9mm
Case Capacity:	19.5 Grains of Water \| 1.27 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	44237 psi \| 3050 bar
LID:	LID_B7467_C518
Last updated:	2025-11-15

Load data for 114 loads in caliber .357 SIG with .357 | 125gr | H&N WC HS bullet and 57 powders such as ADI AP 70N, Alliant BULLSEYE, Alliant Sport Pistol, Ramshot Silhouette, Winchester 231. 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 70N 👍	<<locked>>	97%	38667	87%	**37	100%
ADI APS 350	<<locked>>	96%	38319	87%	**27	100%
ADI APS 450	<<locked>>	97%	36970	84%	**50	100%
ADI AS 30	<<locked>>	96%	30879	70%	**53	100%
ADI AS 50N	<<locked>>	97%	33533	76%	**22	100%
Accurate No. 2	<<locked>>	95%	34258	77%	**42	97%
Accurate No. 5	<<locked>>	85%	38783	88%	**70	92%
Accurate Solo 1000	<<locked>>	95%	32547	74%	**86	100%
Accurate Solo 1250	<<locked>>	96%	26136	59%	**70	100%
Alliant BULLSEYE 👍	<<locked>>	95%	35128	79%	**27	100%
[Alliant POWER PISTOL]*	<<locked>>	96%	24236	55%	**22	81%
Alliant Sport Pistol 👍	<<locked>>	93%	39421	89%	**70	100%
Alliant UNIQUE	<<locked>>	96%	24337	55%	**06	97%
Baschieri & Pellagri 100	<<locked>>	96%	30530	69%	**76	100%
Hodgdon Clays	<<locked>>	96%	38696	87%	**40	100%
Hodgdon HP38	<<locked>>	80%	39117	88%	**91	100%
Hodgdon HS-6	<<locked>>	92%	38319	87%	**53	94%
Hodgdon Longshot	<<locked>>	89%	39610	90%	**76	96%
Hodgdon TiteGroup	<<locked>>	73%	39189	89%	**42	100%
Hodgdon Universal	<<locked>>	97%	30124	68%	**52	100%
Hodgdon CFE Pistol	<<locked>>	96%	28805	65%	**22	100%
Lovex D032	<<locked>>	70%	38479	87%	**58	100%
Lovex D036	<<locked>>	85%	38711	88%	**70	92%
Lovex S011	<<locked>>	90%	38769	88%	**61	100%
Lovex S020	<<locked>>	96%	31662	72%	**61	100%
Maxam CSB 1	<<locked>>	97%	24366	55%	**43	100%
Maxam CSB 2	<<locked>>	96%	22611	51%	**70	100%
Maxam CSB 3	<<locked>>	96%	27804	63%	**76	100%
Maxam CSB 4	<<locked>>	96%	30632	69%	**86	100%
Maxam CSB 5	<<locked>>	95%	35215	80%	**86	100%
Ramshot Silhouette 👍	<<locked>>	94%	39160	89%	**60	99%
Ramshot True Blue	<<locked>>	87%	39276	89%	**63	96%
Ramshot Zip	<<locked>>	80%	38986	88%	**98	100%
ReloadSwiss RS 12	<<locked>>	96%	32111	73%	**68	100%
ReloadSwiss RS 20	<<locked>>	96%	22423	51%	**83	98%
Rottweil P 801	<<locked>>	95%	38566	87%	**88	100%
SNPE Vectan A0	<<locked>>	97%	25382	57%	**56	97%
SNPE Vectan BA 9	<<locked>>	96%	32097	73%	**25	100%
SNPE Vectan BA10	<<locked>>	92%	38783	88%	**66	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	96%	20189	46%	**4	86%
SNPE Vectan BA9 1/2	<<locked>>	96%	29312	66%	**19	100%
[SNPE Vectan SP 2]*	<<locked>>	96%	24076	54%	**65	84%
Shooters World Auto Pistol	<<locked>>	85%	38711	88%	**70	92%
Shooters World Clean Shot	<<locked>>	70%	38479	87%	**58	100%
Shooters World Ultimate Pistol	<<locked>>	72%	39566	89%	**63	100%
Somchem MP200	<<locked>>	97%	31401	71%	**78	98%
Somchem MS200	<<locked>>	97%	28050	63%	**15	99%
Somchem S121	<<locked>>	69%	38450	87%	**50	100%
[Somchem S221]*	<<locked>>	97%	37521	85%	**63	85%
Vihtavuori 3N37	<<locked>>	97%	23453	53%	**93	90%
Vihtavuori N310	<<locked>>	85%	38493	87%	**83	100%
Vihtavuori N320	<<locked>>	96%	31401	71%	**09	100%
Vihtavuori N32C Tin Star	<<locked>>	97%	15331	35%	**3	100%
Vihtavuori N330	<<locked>>	97%	28689	65%	**42	100%
Vihtavuori N340	<<locked>>	95%	25918	59%	**93	98%
[Vihtavuori N350]*	<<locked>>	96%	21277	48%	**47	89%
Winchester 231 👍	<<locked>>	90%	38986	88%	**98	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AP 70N	<<locked>>	61%	14054	32%	**6	97%
ADI APS 350	<<locked>>	62%	17724	40%	**1	100%
ADI APS 450	<<locked>>	62%	16070	36%	**7	100%
ADI AS 30	<<locked>>	62%	13532	31%	**7	100%
[ADI AS 50N]²	<<locked>>	59%	12575	28%	**0	99%
[Accurate No. 2]*	<<locked>>	62%	12328	28%	**7	83%
[Accurate No. 5]*	<<locked>>	65%	19392	44%	**7	81%
Accurate Solo 1000	<<locked>>	62%	14214	32%	**3	100%
Accurate Solo 1250	<<locked>>	61%	9877	22%	**5	91%
Alliant BULLSEYE	<<locked>>	62%	14431	33%	**3	91%
[Alliant POWER PISTOL]*	<<locked>>	93%	22495	51%	**93	80%
Alliant Sport Pistol	<<locked>>	62%	16375	37%	**8	92%
[Alliant UNIQUE]*	<<locked>>	61%	9152	21%	**5	82%
Baschieri & Pellagri 100	<<locked>>	61%	11734	27%	**4	97%
Hodgdon Clays	<<locked>>	62%	17811	40%	**4	100%
Hodgdon HP38	<<locked>>	60%	21147	48%	**4	100%
[Hodgdon HS-6]*	<<locked>>	66%	16273	37%	**5	80%
[Hodgdon Longshot]*	<<locked>>	62%	15287	35%	**5	82%
Hodgdon TiteGroup	<<locked>>	62%	27427	62%	**30	100%
Hodgdon Universal	<<locked>>	61%	11153	25%	**0	94%
Hodgdon CFE Pistol	<<locked>>	60%	10109	23%	**4	91%
Lovex D032	<<locked>>	60%	26658	60%	**40	100%
[Lovex D036]*	<<locked>>	65%	19363	44%	**7	81%
Lovex S011	<<locked>>	61%	16882	38%	**9	99%
[Lovex S020]*²	<<locked>>	59%	9993	23%	**8	87%
Maxam CSB 1	<<locked>>	62%	9485	21%	**1	90%
Maxam CSB 2	<<locked>>	60%	7658	17%	**5	94%
Maxam CSB 3	<<locked>>	60%	10660	24%	**1	96%
Maxam CSB 4	<<locked>>	61%	12372	28%	**7	99%
[Maxam CSB 5]²	<<locked>>	59%	13489	30%	**0	100%
[Ramshot Silhouette]*	<<locked>>	61%	13822	31%	**9	86%
[Ramshot True Blue]*	<<locked>>	61%	16027	36%	**5	83%
Ramshot Zip	<<locked>>	60%	20088	45%	**4	100%
ReloadSwiss RS 12	<<locked>>	62%	11240	25%	**3	100%
[ReloadSwiss RS 20]*	<<locked>>	62%	8543	19%	**8	81%
Rottweil P 801	<<locked>>	62%	14620	33%	**9	100%
[SNPE Vectan A0]*	<<locked>>	61%	9790	22%	**8	82%
SNPE Vectan BA 9	<<locked>>	60%	11748	27%	**4	91%
SNPE Vectan BA10	<<locked>>	62%	18173	41%	**0	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	85%	15098	34%	**2	80%
SNPE Vectan BA9 1/2	<<locked>>	60%	11081	25%	**1	92%
[SNPE Vectan SP 2]*	<<locked>>	89%	19493	44%	**83	81%
[Shooters World Auto Pistol]*	<<locked>>	65%	19363	44%	**7	81%
Shooters World Clean Shot	<<locked>>	60%	26658	60%	**40	100%
Shooters World Ultimate Pistol	<<locked>>	61%	25991	59%	**09	99%
[Somchem MP200]*	<<locked>>	62%	11821	27%	**0	85%
[Somchem MS200]*	<<locked>>	60%	10312	23%	**4	85%
Somchem S121	<<locked>>	62%	28848	65%	**45	100%
[Somchem S221]*	<<locked>>	88%	27905	63%	**45	80%
[Vihtavuori 3N37]*	<<locked>>	79%	13967	32%	**2	81%
[Vihtavuori N310]²	<<locked>>	59%	18144	41%	**3	100%
Vihtavuori N320	<<locked>>	63%	11937	27%	**7	100%
Vihtavuori N32C Tin Star	<<locked>>	67%	6788	15%	**6	100%
Vihtavuori N330	<<locked>>	60%	9297	21%	**4	92%
[Vihtavuori N340]*	<<locked>>	62%	9877	22%	**4	83%
[Vihtavuori N350]*	<<locked>>	80%	13619	31%	**3	80%
Winchester 231	<<locked>>	61%	16520	37%	**9	99%

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