Load data for .357 SIG + .357 | 140gr | Speer JHP

Recommended Powder(s): Alliant UNIQUE, ReloadSwiss RS 20, Rottweil P 806, SNPE Vectan A0, Vihtavuori N340

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.357 \| 140gr \| Speer JHP
Manufacturer SKU:	4203
Bullet Weight:	140gr \| 9.1g
Bullet Diameter:	0.357" \| 9.07mm
Bullet Length:	0.575" \| 14.6mm
Caliber:	.357 SIG load data
Case Length (l3):	0.860" \| 21.8mm
Cartridge Length (C.O.L.):	1.123" \| 28.5mm
Seated Depth:	0.312" \| 7.9mm
Shank Seated Depth:	0.312" \| 7.9mm
Case Capacity:	19.5 Grains of Water \| 1.27 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	44237 psi \| 3050 bar
LID:	LID_B6220_C518
Last updated:	2025-02-02

Load data for 116 loads in caliber .357 SIG with .357 | 140gr | Speer JHP bullet and 58 powders such as Alliant UNIQUE, ReloadSwiss RS 20, Rottweil P 806, 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>>	96%	27137	61%	**94	92%
ADI AP 70N	<<locked>>	77%	38290	87%	**53	100%
ADI AS 30	<<locked>>	87%	37971	86%	**42	100%
ADI AS 50N	<<locked>>	84%	39204	89%	**04	100%
Accurate No. 2	<<locked>>	83%	37376	84%	**47	100%
Accurate No. 5	<<locked>>	70%	38595	87%	**58	98%
[Accurate No. 7]*	<<locked>>	88%	39044	88%	**07	88%
Accurate Solo 1000	<<locked>>	86%	38522	87%	**75	100%
Accurate Solo 1250	<<locked>>	92%	38261	87%	**34	100%
[Accurate TCM]*	<<locked>>	96%	38029	86%	**65	82%
Alliant BULLSEYE	<<locked>>	83%	39711	90%	**22	100%
Alliant POWER PISTOL	<<locked>>	93%	38682	87%	**07	96%
Alliant UNIQUE 👍	<<locked>>	94%	39189	89%	**25	100%
Baschieri & Pellagri 100	<<locked>>	87%	38421	87%	**81	100%
Hodgdon Clays	<<locked>>	81%	38392	87%	**76	100%
Hodgdon HP38	<<locked>>	65%	39334	89%	**27	100%
Hodgdon HS-6	<<locked>>	76%	38493	87%	**35	99%
Hodgdon Longshot	<<locked>>	73%	39508	89%	**45	100%
Hodgdon Universal	<<locked>>	85%	38290	87%	**53	100%
Hodgdon TrailBoss	<<locked>>	94%	12009	27%	**4	100%
Lovex D036	<<locked>>	70%	38812	88%	**58	98%
[Lovex D037.1]*	<<locked>>	88%	39044	88%	**07	88%
Lovex S011	<<locked>>	74%	38435	87%	**01	100%
Lovex S020	<<locked>>	83%	37768	85%	**60	100%
Maxam CSB 1	<<locked>>	95%	37565	85%	**20	100%
Maxam CSB 2	<<locked>>	92%	38189	86%	**40	100%
Maxam CSB 3	<<locked>>	90%	38276	87%	**11	100%
Maxam CSB 4	<<locked>>	87%	38450	87%	**91	100%
Maxam CSB 5	<<locked>>	82%	38986	88%	**45	100%
Ramshot Silhouette	<<locked>>	76%	38392	87%	**09	100%
Ramshot True Blue	<<locked>>	71%	38363	87%	**29	100%
Ramshot Zip	<<locked>>	65%	37971	86%	**20	100%
ReloadSwiss RS 12	<<locked>>	80%	37681	85%	**24	100%
ReloadSwiss RS 14	<<locked>>	97%	11371	26%	**4	100%
ReloadSwiss RS 20 👍	<<locked>>	95%	38232	86%	**12	100%
ReloadSwiss RS 24	<<locked>>	95%	38363	87%	**88	91%
Rottweil P 801	<<locked>>	76%	39537	89%	**01	100%
Rottweil P 806 👍	<<locked>>	97%	31662	72%	**65	99%
SNPE Vectan A0 👍	<<locked>>	97%	39523	89%	**73	100%
SNPE Vectan BA 9	<<locked>>	87%	39653	90%	**47	100%
SNPE Vectan BA10	<<locked>>	80%	39668	90%	**12	100%
SNPE Vectan BA7 1/2	<<locked>>	96%	34345	78%	**66	99%
SNPE Vectan BA9 1/2	<<locked>>	89%	39610	90%	**60	100%
Shooters World Auto Pistol	<<locked>>	70%	38812	88%	**58	98%
[Shooters World Major Pistol]*	<<locked>>	88%	39044	88%	**07	88%
Somchem MP200	<<locked>>	86%	39320	89%	**16	100%
Somchem MS200	<<locked>>	90%	38754	88%	**83	100%
Somchem S221	<<locked>>	80%	39015	88%	**78	94%
Vihtavuori 3N37	<<locked>>	93%	38261	87%	**39	100%
[Vihtavuori 3N38]*	<<locked>>	95%	27456	62%	**27	86%
[Vihtavuori N105]*	<<locked>>	96%	20885	47%	**58	85%
Vihtavuori N310	<<locked>>	69%	38305	87%	**02	100%
Vihtavuori N320	<<locked>>	83%	37666	85%	**88	100%
Vihtavuori N32C Tin Star	<<locked>>	95%	26963	61%	**07	100%
Vihtavuori N330	<<locked>>	86%	38000	86%	**53	100%
Vihtavuori N340 👍	<<locked>>	91%	39001	88%	**86	100%
Vihtavuori N350	<<locked>>	97%	38218	86%	**35	100%
Winchester 231	<<locked>>	72%	37971	86%	**20	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	71%	14460	33%	**8	81%
ADI AP 70N	<<locked>>	61%	24352	55%	**83	100%
ADI AS 30	<<locked>>	61%	21147	48%	**8	100%
ADI AS 50N	<<locked>>	62%	22524	51%	**01	100%
Accurate No. 2	<<locked>>	61%	19160	43%	**1	97%
Accurate No. 5	<<locked>>	61%	28979	65%	**27	95%
[Accurate No. 7]*	<<locked>>	76%	25599	58%	**14	81%
Accurate Solo 1000	<<locked>>	60%	20450	46%	**1	100%
Accurate Solo 1250	<<locked>>	60%	16636	38%	**5	100%
[Accurate TCM]*	<<locked>>	92%	33199	75%	**06	80%
Alliant BULLSEYE	<<locked>>	61%	22075	50%	**76	100%
[Alliant POWER PISTOL]*	<<locked>>	62%	16201	37%	**04	82%
Alliant UNIQUE	<<locked>>	60%	16534	37%	**1	98%
Baschieri & Pellagri 100	<<locked>>	60%	19043	43%	**2	100%
Hodgdon Clays	<<locked>>	60%	23772	54%	**2	100%
Hodgdon HP38	<<locked>>	60%	33460	76%	**68	100%
Hodgdon HS-6	<<locked>>	61%	23786	54%	**25	94%
Hodgdon Longshot	<<locked>>	62%	26687	60%	**78	97%
Hodgdon Universal	<<locked>>	61%	20117	45%	**14	100%
Hodgdon TrailBoss	<<locked>>	73%	8035	18%	**9	100%
Lovex D036	<<locked>>	61%	28935	65%	**27	95%
[Lovex D037.1]*	<<locked>>	76%	25599	58%	**14	81%
Lovex S011	<<locked>>	62%	26701	60%	**70	100%
Lovex S020	<<locked>>	60%	18971	43%	**07	100%
Maxam CSB 1	<<locked>>	61%	16041	36%	**9	100%
Maxam CSB 2	<<locked>>	62%	16839	38%	**1	100%
Maxam CSB 3	<<locked>>	60%	18086	41%	**5	100%
Maxam CSB 4	<<locked>>	61%	20421	46%	**8	100%
Maxam CSB 5	<<locked>>	61%	23047	52%	**5	100%
Ramshot Silhouette	<<locked>>	61%	24062	54%	**19	99%
Ramshot True Blue	<<locked>>	61%	27311	62%	**84	98%
Ramshot Zip	<<locked>>	62%	34069	77%	**81	100%
ReloadSwiss RS 12	<<locked>>	60%	21770	49%	**30	100%
ReloadSwiss RS 14	<<locked>>	71%	7339	17%	**6	98%
ReloadSwiss RS 20	<<locked>>	60%	14678	33%	**1	98%
[ReloadSwiss RS 24]*	<<locked>>	76%	21727	49%	**22	81%
Rottweil P 801	<<locked>>	62%	26469	60%	**60	100%
[Rottweil P 806]*	<<locked>>	63%	10399	23%	**6	80%
SNPE Vectan A0	<<locked>>	61%	16056	36%	**5	97%
SNPE Vectan BA 9	<<locked>>	60%	19276	44%	**1	100%
SNPE Vectan BA10	<<locked>>	62%	25802	58%	**5	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	61%	13518	31%	**3	86%
SNPE Vectan BA9 1/2	<<locked>>	60%	18695	42%	**8	100%
Shooters World Auto Pistol	<<locked>>	61%	28935	65%	**27	95%
[Shooters World Major Pistol]*	<<locked>>	76%	25599	58%	**14	81%
Somchem MP200	<<locked>>	61%	19435	44%	**27	98%
Somchem MS200	<<locked>>	62%	18463	42%	**1	99%
[Somchem S221]*	<<locked>>	61%	20407	46%	**79	83%
Vihtavuori 3N37	<<locked>>	62%	15098	34%	**8	90%
[Vihtavuori 3N38]*	<<locked>>	85%	20262	46%	**96	81%
[Vihtavuori N105]*	<<locked>>	88%	17158	39%	**66	81%
Vihtavuori N310	<<locked>>	62%	31444	71%	**37	100%
Vihtavuori N320	<<locked>>	61%	20711	47%	**4	100%
Vihtavuori N32C Tin Star	<<locked>>	61%	11821	27%	**1	100%
Vihtavuori N330	<<locked>>	62%	18681	42%	**04	100%
Vihtavuori N340	<<locked>>	61%	16723	38%	**5	98%
[Vihtavuori N350]*	<<locked>>	61%	13648	31%	**2	89%
Winchester 231	<<locked>>	61%	26963	61%	**96	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