Load data for .357 SIG + .357 | 125gr | Speer JHP

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

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.357 \| 125gr \| Speer JHP
Manufacturer SKU:	4013
Bullet Weight:	125gr \| 8.1g
Bullet Diameter:	0.357" \| 9.07mm
Bullet Length:	0.520" \| 13.2mm
Caliber:	.357 SIG load data
Case Length (l3):	0.860" \| 21.8mm
Cartridge Length (C.O.L.):	1.123" \| 28.5mm
Seated Depth:	0.257" \| 6.5mm
Shank Seated Depth:	0.257" \| 6.5mm
Case Capacity:	19.5 Grains of Water \| 1.27 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	44237 psi \| 3050 bar
LID:	LID_B6216_C518
Last updated:	2025-02-02

Load data for 118 loads in caliber .357 SIG with .357 | 125gr | Speer JHP bullet and 59 powders such as Alliant UNIQUE, Hodgdon Longshot, ReloadSwiss RS 20, SNPE Vectan A0, 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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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%	28094	63%	**12	92%
ADI AP 70N	<<locked>>	78%	39276	89%	**81	100%
ADI APS 350	<<locked>>	83%	39436	89%	**84	100%
ADI APS 450	<<locked>>	84%	38247	86%	**07	100%
ADI AS 30	<<locked>>	87%	38870	88%	**63	100%
ADI AS 50N	<<locked>>	84%	39117	88%	**19	100%
Accurate No. 2	<<locked>>	83%	38348	87%	**81	100%
Accurate No. 5	<<locked>>	70%	38783	88%	**90	98%
[Accurate No. 7]*	<<locked>>	88%	39233	89%	**39	87%
Accurate Solo 1000	<<locked>>	86%	38725	88%	**93	100%
Accurate Solo 1250	<<locked>>	93%	38943	88%	**58	100%
Alliant BULLSEYE	<<locked>>	82%	38827	88%	**37	100%
Alliant POWER PISTOL	<<locked>>	92%	38914	88%	**29	96%
Alliant UNIQUE 👍	<<locked>>	94%	39276	89%	**47	100%
Baschieri & Pellagri 100	<<locked>>	88%	39682	90%	**09	100%
Hodgdon Clays	<<locked>>	81%	38159	86%	**81	100%
Hodgdon HP38	<<locked>>	65%	38334	87%	**35	100%
Hodgdon HS-6	<<locked>>	75%	38261	86%	**57	99%
Hodgdon Longshot 👍	<<locked>>	73%	39479	89%	**70	100%
Hodgdon Universal	<<locked>>	86%	39276	89%	**81	100%
Hodgdon TrailBoss	<<locked>>	96%	12314	28%	**6	100%
Lovex D036	<<locked>>	70%	38725	88%	**86	98%
[Lovex D037.1]*	<<locked>>	88%	39233	89%	**39	87%
Lovex S011	<<locked>>	74%	38014	86%	**19	100%
Lovex S020	<<locked>>	83%	38218	86%	**85	100%
Maxam CSB 1	<<locked>>	96%	38450	87%	**48	100%
Maxam CSB 2	<<locked>>	93%	38682	87%	**68	100%
Maxam CSB 3	<<locked>>	89%	38159	86%	**19	100%
Maxam CSB 4	<<locked>>	87%	38595	87%	**06	100%
Maxam CSB 5	<<locked>>	81%	37768	85%	**40	100%
Ramshot Silhouette	<<locked>>	77%	39218	89%	**47	100%
Ramshot True Blue	<<locked>>	71%	38551	87%	**50	100%
Ramshot Zip	<<locked>>	66%	38856	88%	**52	100%
ReloadSwiss RS 12	<<locked>>	81%	38653	87%	**52	100%
ReloadSwiss RS 14	<<locked>>	94%	10820	24%	**0	100%
ReloadSwiss RS 20 👍	<<locked>>	96%	39508	89%	**50	100%
ReloadSwiss RS 24	<<locked>>	95%	38435	87%	**16	90%
Rottweil P 801	<<locked>>	75%	38754	88%	**12	100%
Rottweil P 806	<<locked>>	97%	31937	72%	**90	98%
SNPE Vectan A0 👍	<<locked>>	96%	39523	89%	**98	100%
SNPE Vectan BA 9	<<locked>>	87%	39711	90%	**65	100%
SNPE Vectan BA10	<<locked>>	78%	38232	86%	**07	100%
SNPE Vectan BA7 1/2	<<locked>>	96%	34766	79%	**85	99%
SNPE Vectan BA9 1/2	<<locked>>	88%	38450	87%	**65	100%
Shooters World Auto Pistol	<<locked>>	70%	38725	88%	**86	98%
[Shooters World Major Pistol]*	<<locked>>	88%	39233	89%	**39	87%
Somchem MP200	<<locked>>	86%	39146	89%	**37	100%
Somchem MS200	<<locked>>	91%	39073	88%	**07	100%
Somchem S221	<<locked>>	80%	39334	89%	**99	93%
Vihtavuori 3N37	<<locked>>	93%	38203	86%	**67	100%
[Vihtavuori 3N38]*	<<locked>>	96%	28282	64%	**45	86%
[Vihtavuori N105]*	<<locked>>	95%	20871	47%	**53	84%
Vihtavuori N310	<<locked>>	71%	39798	90%	**24	100%
Vihtavuori N320	<<locked>>	83%	37550	85%	**02	100%
Vihtavuori N32C Tin Star	<<locked>>	95%	27122	61%	**09	100%
Vihtavuori N330	<<locked>>	87%	38609	87%	**78	100%
Vihtavuori N340 👍	<<locked>>	91%	39088	88%	**07	100%
Vihtavuori N350	<<locked>>	95%	36709	83%	**44	100%
Winchester 231	<<locked>>	73%	38856	88%	**52	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	73%	15258	35%	**30	81%
ADI AP 70N	<<locked>>	61%	24918	56%	**91	100%
ADI APS 350	<<locked>>	62%	24555	56%	**04	100%
ADI APS 450	<<locked>>	62%	22989	52%	**17	100%
ADI AS 30	<<locked>>	60%	20320	46%	**14	100%
ADI AS 50N	<<locked>>	62%	22582	51%	**96	100%
Accurate No. 2	<<locked>>	60%	18724	42%	**73	96%
Accurate No. 5	<<locked>>	61%	28631	65%	**29	94%
[Accurate No. 7]*	<<locked>>	78%	26992	61%	**45	81%
Accurate Solo 1000	<<locked>>	60%	20697	47%	**47	100%
Accurate Solo 1250	<<locked>>	60%	16679	38%	**24	100%
Alliant BULLSEYE	<<locked>>	60%	21640	49%	**65	99%
[Alliant POWER PISTOL]*	<<locked>>	62%	16157	37%	**86	81%
Alliant UNIQUE	<<locked>>	62%	17347	39%	**83	97%
Baschieri & Pellagri 100	<<locked>>	60%	19087	43%	**33	100%
Hodgdon Clays	<<locked>>	62%	24729	56%	**17	100%
Hodgdon HP38	<<locked>>	62%	34693	78%	**93	100%
Hodgdon HS-6	<<locked>>	61%	23830	54%	**30	94%
Hodgdon Longshot	<<locked>>	61%	26760	60%	**83	97%
Hodgdon Universal	<<locked>>	60%	19841	45%	**02	100%
Hodgdon TrailBoss	<<locked>>	61%	6454	15%	**9	99%
Lovex D036	<<locked>>	61%	28587	65%	**25	94%
[Lovex D037.1]*	<<locked>>	78%	26992	61%	**45	81%
Lovex S011	<<locked>>	61%	25918	59%	**61	100%
Lovex S020	<<locked>>	61%	19551	44%	**12	100%
Maxam CSB 1	<<locked>>	61%	16070	36%	**04	100%
Maxam CSB 2	<<locked>>	61%	16665	38%	**47	100%
Maxam CSB 3	<<locked>>	60%	18347	41%	**37	100%
Maxam CSB 4	<<locked>>	61%	20682	47%	**60	100%
Maxam CSB 5	<<locked>>	62%	23641	53%	**63	100%
Ramshot Silhouette	<<locked>>	61%	23569	53%	**14	99%
Ramshot True Blue	<<locked>>	61%	27151	61%	**86	97%
Ramshot Zip	<<locked>>	61%	33649	76%	**93	100%
ReloadSwiss RS 12	<<locked>>	62%	22611	51%	**42	100%
ReloadSwiss RS 14	<<locked>>	64%	6367	14%	**9	95%
ReloadSwiss RS 20	<<locked>>	61%	15302	35%	**47	98%
[ReloadSwiss RS 24]*	<<locked>>	78%	23264	53%	**50	81%
Rottweil P 801	<<locked>>	61%	25744	58%	**52	100%
[Rottweil P 806]*	<<locked>>	66%	11240	25%	**14	81%
SNPE Vectan A0	<<locked>>	60%	15867	36%	**04	96%
SNPE Vectan BA 9	<<locked>>	61%	19856	45%	**86	100%
SNPE Vectan BA10	<<locked>>	62%	26078	59%	**63	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	61%	13677	31%	**8	85%
SNPE Vectan BA9 1/2	<<locked>>	62%	19508	44%	**86	100%
Shooters World Auto Pistol	<<locked>>	61%	28587	65%	**25	94%
[Shooters World Major Pistol]*	<<locked>>	78%	26992	61%	**45	81%
Somchem MP200	<<locked>>	61%	19798	45%	**25	98%
Somchem MS200	<<locked>>	61%	18202	41%	**73	99%
[Somchem S221]*	<<locked>>	60%	20276	46%	**65	82%
[Vihtavuori 3N37]*	<<locked>>	62%	15214	34%	**43	89%
[Vihtavuori 3N38]*	<<locked>>	87%	21611	49%	**17	81%
[Vihtavuori N105]*	<<locked>>	92%	18913	43%	**01	81%
Vihtavuori N310	<<locked>>	62%	31502	71%	**35	100%
Vihtavuori N320	<<locked>>	61%	20769	47%	**76	100%
Vihtavuori N32C Tin Star	<<locked>>	62%	12386	28%	**6	100%
Vihtavuori N330	<<locked>>	61%	18376	42%	**89	100%
Vihtavuori N340	<<locked>>	60%	16462	37%	**43	97%
[Vihtavuori N350]*	<<locked>>	62%	13953	32%	**07	88%
Winchester 231	<<locked>>	61%	27325	62%	**04	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