Load data for .357 SIG + .355 | 115gr | Speer JHP

Recommended Powder(s): Alliant UNIQUE, ReloadSwiss RS 20, Somchem MS200, Vihtavuori 3N37, Vihtavuori N340

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.355 \| 115gr \| Speer JHP
Manufacturer SKU:	3996
Bullet Weight:	115gr \| 7.5g
Bullet Diameter:	0.355" \| 9.02mm
Bullet Length:	0.540" \| 13.7mm
Caliber:	.357 SIG load data
Case Length (l3):	0.860" \| 21.8mm
Cartridge Length (C.O.L.):	1.123" \| 28.5mm
Seated Depth:	0.277" \| 7.0mm
Shank Seated Depth:	0.277" \| 7.0mm
Case Capacity:	19.5 Grains of Water \| 1.27 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	44237 psi \| 3050 bar
LID:	LID_B6202_C518
Last updated:	2025-01-01

Load data for 112 loads in caliber .357 SIG with .355 | 115gr | Speer JHP bullet and 56 powders such as Alliant UNIQUE, ReloadSwiss RS 20, Somchem MS200, Vihtavuori 3N37, 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%	25251	57%	**09	88%
ADI AP 70N	<<locked>>	80%	38870	88%	**40	100%
ADI AS 30	<<locked>>	90%	38653	87%	**22	100%
ADI AS 50N	<<locked>>	87%	39160	89%	**78	100%
Accurate No. 2	<<locked>>	86%	38566	87%	**37	100%
Accurate No. 5	<<locked>>	72%	38682	87%	**35	96%
[Accurate No. 7]*	<<locked>>	91%	39204	89%	**88	85%
Accurate Solo 1000	<<locked>>	89%	38725	88%	**48	100%
Accurate Solo 1250	<<locked>>	96%	39030	88%	**17	100%
Alliant BULLSEYE	<<locked>>	84%	38696	87%	**93	100%
Alliant POWER PISTOL	<<locked>>	96%	38319	87%	**85	94%
Alliant UNIQUE 👍	<<locked>>	95%	37246	84%	**86	100%
Baschieri & Pellagri 100	<<locked>>	91%	39740	90%	**68	100%
Hodgdon Clays	<<locked>>	83%	38305	87%	**34	100%
Hodgdon HP38	<<locked>>	67%	38508	87%	**94	100%
Hodgdon HS-6	<<locked>>	78%	38145	86%	**06	98%
Hodgdon Longshot	<<locked>>	75%	39334	89%	**22	99%
Hodgdon TiteGroup	<<locked>>	62%	38783	88%	**45	100%
Hodgdon Universal	<<locked>>	89%	38870	88%	**40	100%
Hodgdon TrailBoss	<<locked>>	95%	11255	25%	**6	100%
Lovex D036	<<locked>>	72%	38638	87%	**35	96%
[Lovex D037.1]*	<<locked>>	91%	39204	89%	**88	85%
Lovex S011	<<locked>>	77%	38247	86%	**75	100%
Lovex S020	<<locked>>	86%	38072	86%	**44	100%
Maxam CSB 1	<<locked>>	97%	36114	82%	**85	100%
Maxam CSB 2	<<locked>>	96%	37913	86%	**24	100%
Maxam CSB 3	<<locked>>	95%	39668	90%	**01	100%
Maxam CSB 4	<<locked>>	89%	38348	87%	**62	100%
Maxam CSB 5	<<locked>>	86%	39711	90%	**19	100%
Ramshot Silhouette	<<locked>>	80%	39059	88%	**99	100%
Ramshot True Blue	<<locked>>	73%	38145	86%	**96	99%
Ramshot Zip	<<locked>>	68%	38725	88%	**07	100%
ReloadSwiss RS 12	<<locked>>	83%	38058	86%	**04	100%
ReloadSwiss RS 14	<<locked>>	97%	10602	24%	**3	99%
ReloadSwiss RS 20 👍	<<locked>>	95%	35708	81%	**67	100%
[ReloadSwiss RS 24]*	<<locked>>	96%	36579	83%	**29	87%
Rottweil P 801	<<locked>>	78%	38595	87%	**71	100%
Rottweil P 806	<<locked>>	96%	26818	61%	**60	95%
SNPE Vectan A0	<<locked>>	95%	35752	81%	**11	100%
SNPE Vectan BA 9	<<locked>>	88%	37913	86%	**04	100%
SNPE Vectan BA10	<<locked>>	81%	38943	88%	**66	100%
SNPE Vectan BA7 1/2	<<locked>>	96%	31647	72%	**98	97%
SNPE Vectan BA9 1/2	<<locked>>	91%	38203	86%	**21	100%
Shooters World Auto Pistol	<<locked>>	72%	38638	87%	**35	96%
[Shooters World Major Pistol]*	<<locked>>	91%	39204	89%	**88	85%
Somchem MP200	<<locked>>	89%	38696	87%	**90	100%
Somchem MS200 👍	<<locked>>	94%	38986	88%	**63	100%
Somchem S221	<<locked>>	83%	38928	88%	**45	91%
Vihtavuori 3N37 👍	<<locked>>	97%	37985	86%	**19	99%
Vihtavuori N310	<<locked>>	73%	39813	90%	**83	100%
Vihtavuori N320	<<locked>>	88%	39508	89%	**81	100%
Vihtavuori N32C Tin Star	<<locked>>	96%	25063	57%	**35	100%
Vihtavuori N330	<<locked>>	90%	38276	87%	**34	100%
Vihtavuori N340 👍	<<locked>>	94%	39015	88%	**63	100%
Vihtavuori N350	<<locked>>	97%	34809	79%	**67	99%
Winchester 231	<<locked>>	76%	38725	88%	**07	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	81%	17332	39%	**25	81%
ADI AP 70N	<<locked>>	62%	23076	52%	**17	100%
ADI AS 30	<<locked>>	62%	20233	46%	**60	100%
ADI AS 50N	<<locked>>	62%	21016	48%	**19	100%
Accurate No. 2	<<locked>>	60%	17347	39%	**83	93%
Accurate No. 5	<<locked>>	61%	25860	58%	**25	91%
[Accurate No. 7]*	<<locked>>	84%	29994	68%	**40	80%
Accurate Solo 1000	<<locked>>	60%	19116	43%	**66	100%
Accurate Solo 1250	<<locked>>	60%	15243	34%	**33	99%
Alliant BULLSEYE	<<locked>>	60%	20102	45%	**81	98%
[Alliant POWER PISTOL]*	<<locked>>	69%	18391	42%	**88	81%
Alliant UNIQUE	<<locked>>	62%	15983	36%	**86	95%
Baschieri & Pellagri 100	<<locked>>	60%	17564	40%	**47	100%
Hodgdon Clays	<<locked>>	61%	23206	52%	**40	100%
Hodgdon HP38	<<locked>>	60%	31502	71%	**09	100%
Hodgdon HS-6	<<locked>>	61%	21335	48%	**20	90%
Hodgdon Longshot	<<locked>>	61%	23801	54%	**76	94%
Hodgdon TiteGroup	<<locked>>	60%	36970	84%	**19	100%
Hodgdon Universal	<<locked>>	60%	18246	41%	**15	100%
Hodgdon TrailBoss	<<locked>>	63%	6179	14%	**9	97%
Lovex D036	<<locked>>	61%	25802	58%	**25	91%
[Lovex D037.1]*	<<locked>>	84%	29994	68%	**40	80%
Lovex S011	<<locked>>	61%	24178	55%	**84	100%
Lovex S020	<<locked>>	61%	18014	41%	**22	98%
Maxam CSB 1	<<locked>>	61%	14721	33%	**14	99%
Maxam CSB 2	<<locked>>	61%	15084	34%	**60	100%
Maxam CSB 3	<<locked>>	60%	16795	38%	**50	100%
Maxam CSB 4	<<locked>>	61%	19014	43%	**79	100%
Maxam CSB 5	<<locked>>	61%	21770	49%	**86	100%
Ramshot Silhouette	<<locked>>	61%	22046	50%	**34	97%
Ramshot True Blue	<<locked>>	62%	25454	58%	**06	95%
Ramshot Zip	<<locked>>	62%	31575	71%	**19	100%
ReloadSwiss RS 12	<<locked>>	62%	20653	47%	**65	100%
ReloadSwiss RS 14	<<locked>>	62%	5656	13%	**9	92%
ReloadSwiss RS 20	<<locked>>	62%	14040	32%	**56	96%
[ReloadSwiss RS 24]*	<<locked>>	85%	25759	58%	**48	80%
Rottweil P 801	<<locked>>	61%	23844	54%	**78	100%
[Rottweil P 806]*	<<locked>>	72%	12256	28%	**89	80%
SNPE Vectan A0	<<locked>>	60%	14707	33%	**14	94%
SNPE Vectan BA 9	<<locked>>	61%	18579	42%	**99	99%
SNPE Vectan BA10	<<locked>>	62%	24540	55%	**86	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	62%	12691	29%	**1	82%
SNPE Vectan BA9 1/2	<<locked>>	62%	18072	41%	**99	100%
Shooters World Auto Pistol	<<locked>>	61%	25802	58%	**25	91%
[Shooters World Major Pistol]*	<<locked>>	84%	29994	68%	**40	80%
Somchem MP200	<<locked>>	61%	18362	42%	**35	96%
Somchem MS200	<<locked>>	61%	16882	38%	**79	97%
[Somchem S221]*	<<locked>>	64%	20769	47%	**17	80%
[Vihtavuori 3N37]*	<<locked>>	60%	13184	30%	**27	84%
Vihtavuori N310	<<locked>>	62%	29327	66%	**61	100%
Vihtavuori N320	<<locked>>	61%	18913	43%	**96	100%
Vihtavuori N32C Tin Star	<<locked>>	61%	11066	25%	**9	100%
Vihtavuori N330	<<locked>>	61%	16694	38%	**06	100%
Vihtavuori N340	<<locked>>	60%	15142	34%	**47	95%
[Vihtavuori N350]*	<<locked>>	60%	12140	27%	**4	83%
Winchester 231	<<locked>>	62%	25585	58%	**30	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