Load data for .357 SIG + .356 | 125gr | H&N KS HS HP

Recommended Powder(s): Alliant BULLSEYE, Ramshot Silhouette, ReloadSwiss RS 20, Somchem MS200, Vihtavuori 3N37

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.356 \| 125gr \| H&N KS HS HP
Bullet Weight:	125gr \| 8.1g
Bullet Diameter:	0.356" \| 9.04mm
Bullet Length:	0.580" \| 14.7mm
Caliber:	.357 SIG load data
Case Length (l3):	0.860" \| 21.8mm
Cartridge Length (C.O.L.):	1.123" \| 28.5mm
Seated Depth:	0.317" \| 8.1mm
Shank Seated Depth:	0.297" \| 7.6mm
Case Capacity:	19.5 Grains of Water \| 1.27 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	44237 psi \| 3050 bar
LID:	LID_B7449_C518
Last updated:	2025-01-01

Load data for 116 loads in caliber .357 SIG with .356 | 125gr | H&N KS HS HP bullet and 58 powders such as Alliant BULLSEYE, Ramshot Silhouette, ReloadSwiss RS 20, Somchem MS200, Vihtavuori 3N37. 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>>	95%	23293	53%	**04	88%
ADI AP 70N	<<locked>>	82%	38798	88%	**62	100%
ADI APS 350	<<locked>>	87%	39537	89%	**61	100%
ADI APS 450	<<locked>>	88%	38885	88%	**94	100%
ADI AS 30	<<locked>>	91%	38189	86%	**40	100%
ADI AS 50N	<<locked>>	88%	38624	87%	**99	100%
Accurate No. 2	<<locked>>	86%	37478	85%	**42	100%
Accurate No. 5	<<locked>>	73%	39088	88%	**53	97%
[Accurate No. 7]*	<<locked>>	93%	39407	89%	**06	86%
Accurate Solo 1000	<<locked>>	90%	38798	88%	**73	100%
Accurate Solo 1250	<<locked>>	96%	37768	85%	**25	100%
Alliant BULLSEYE 👍	<<locked>>	86%	39639	90%	**17	100%
Alliant POWER PISTOL	<<locked>>	96%	36898	83%	**83	94%
Alliant UNIQUE	<<locked>>	95%	35737	81%	**91	100%
Baschieri & Pellagri 100	<<locked>>	91%	38058	86%	**73	100%
Hodgdon Clays	<<locked>>	84%	37811	85%	**55	100%
Hodgdon HP38	<<locked>>	68%	39117	88%	**19	100%
Hodgdon HS-6	<<locked>>	80%	38754	88%	**37	98%
Hodgdon Longshot	<<locked>>	77%	39697	90%	**40	99%
Hodgdon TiteGroup	<<locked>>	63%	39059	88%	**66	100%
Hodgdon Universal	<<locked>>	91%	38798	88%	**62	100%
Hodgdon TrailBoss	<<locked>>	93%	9456	21%	**4	100%
Lovex D036	<<locked>>	73%	39030	88%	**53	97%
[Lovex D037.1]*	<<locked>>	93%	39407	89%	**06	86%
Lovex S011	<<locked>>	78%	38667	87%	**96	100%
Lovex S020	<<locked>>	88%	38798	88%	**71	100%
Maxam CSB 1	<<locked>>	97%	34867	79%	**96	100%
Maxam CSB 2	<<locked>>	96%	36303	82%	**29	100%
Maxam CSB 3	<<locked>>	94%	38232	86%	**06	100%
Maxam CSB 4	<<locked>>	91%	38566	87%	**86	100%
Maxam CSB 5	<<locked>>	87%	39552	89%	**43	100%
Ramshot Silhouette 👍	<<locked>>	81%	39073	88%	**17	100%
Ramshot True Blue	<<locked>>	75%	38711	87%	**27	99%
Ramshot Zip	<<locked>>	70%	39552	89%	**35	100%
ReloadSwiss RS 12	<<locked>>	85%	38058	86%	**32	100%
ReloadSwiss RS 14	<<locked>>	96%	8528	19%	**1	98%
ReloadSwiss RS 20 👍	<<locked>>	96%	34751	79%	**71	100%
[ReloadSwiss RS 24]*	<<locked>>	96%	34301	78%	**24	87%
Rottweil P 801	<<locked>>	80%	38203	86%	**93	100%
Rottweil P 806	<<locked>>	96%	24613	56%	**55	95%
SNPE Vectan A0	<<locked>>	96%	35056	79%	**19	100%
SNPE Vectan BA 9	<<locked>>	91%	39262	89%	**39	100%
SNPE Vectan BA10	<<locked>>	82%	38870	88%	**94	100%
SNPE Vectan BA7 1/2	<<locked>>	96%	29863	68%	**93	97%
SNPE Vectan BA9 1/2	<<locked>>	93%	39102	88%	**48	100%
Shooters World Auto Pistol	<<locked>>	73%	39030	88%	**53	97%
[Shooters World Major Pistol]*	<<locked>>	93%	39407	89%	**06	86%
Somchem MP200	<<locked>>	89%	38130	86%	**01	100%
Somchem MS200 👍	<<locked>>	96%	39711	90%	**91	100%
Somchem S221	<<locked>>	85%	39392	89%	**76	92%
Vihtavuori 3N37 👍	<<locked>>	96%	36361	82%	**17	99%
Vihtavuori N310	<<locked>>	74%	38899	88%	**04	100%
Vihtavuori N320	<<locked>>	88%	37492	85%	**86	100%
Vihtavuori N32C Tin Star	<<locked>>	95%	22655	51%	**47	100%
Vihtavuori N330	<<locked>>	92%	39102	88%	**62	100%
Vihtavuori N340	<<locked>>	95%	38276	87%	**78	100%
Vihtavuori N350	<<locked>>	96%	32982	75%	**68	99%
Winchester 231	<<locked>>	78%	39552	89%	**35	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	81%	16027	36%	**47	81%
ADI AP 70N	<<locked>>	60%	20349	46%	**09	100%
ADI APS 350	<<locked>>	60%	21277	48%	**5	100%
ADI APS 450	<<locked>>	60%	20131	46%	**8	100%
ADI AS 30	<<locked>>	61%	18217	41%	**4	100%
ADI AS 50N	<<locked>>	61%	19305	44%	**37	100%
Accurate No. 2	<<locked>>	60%	16476	37%	**10	94%
Accurate No. 5	<<locked>>	61%	24990	56%	**47	91%
[Accurate No. 7]*	<<locked>>	84%	28036	63%	**42	80%
Accurate Solo 1000	<<locked>>	62%	19247	44%	**10	100%
Accurate Solo 1250	<<locked>>	60%	13938	31%	**1	99%
Alliant BULLSEYE	<<locked>>	60%	19232	43%	**99	98%
[Alliant POWER PISTOL]*	<<locked>>	69%	16810	38%	**96	81%
Alliant UNIQUE	<<locked>>	60%	13474	30%	**8	94%
Baschieri & Pellagri 100	<<locked>>	60%	16114	36%	**8	100%
Hodgdon Clays	<<locked>>	60%	21437	48%	**5	100%
Hodgdon HP38	<<locked>>	62%	31140	70%	**37	100%
Hodgdon HS-6	<<locked>>	61%	20073	45%	**35	90%
Hodgdon Longshot	<<locked>>	61%	22843	52%	**94	94%
Hodgdon TiteGroup	<<locked>>	61%	36956	84%	**47	100%
Hodgdon Universal	<<locked>>	60%	16505	37%	**30	100%
Hodgdon TrailBoss	<<locked>>	72%	5947	13%	**6	98%
Lovex D036	<<locked>>	61%	24947	56%	**43	91%
[Lovex D037.1]*	<<locked>>	84%	28036	63%	**42	80%
Lovex S011	<<locked>>	61%	23453	53%	**09	100%
Lovex S020	<<locked>>	62%	16781	38%	**47	98%
Maxam CSB 1	<<locked>>	60%	13271	30%	**2	98%
Maxam CSB 2	<<locked>>	61%	13314	30%	**1	100%
Maxam CSB 3	<<locked>>	62%	16636	38%	**4	100%
Maxam CSB 4	<<locked>>	61%	17651	40%	**01	100%
Maxam CSB 5	<<locked>>	61%	20233	46%	**07	100%
Ramshot Silhouette	<<locked>>	61%	20610	47%	**42	97%
Ramshot True Blue	<<locked>>	61%	23337	53%	**01	94%
Ramshot Zip	<<locked>>	61%	29950	68%	**27	100%
ReloadSwiss RS 12	<<locked>>	62%	18956	43%	**79	100%
ReloadSwiss RS 14	<<locked>>	75%	5555	13%	**9	93%
ReloadSwiss RS 20	<<locked>>	62%	12850	29%	**8	95%
[ReloadSwiss RS 24]*	<<locked>>	85%	24439	55%	**60	81%
Rottweil P 801	<<locked>>	61%	22176	50%	**99	100%
[Rottweil P 806]*	<<locked>>	74%	11371	26%	**24	80%
SNPE Vectan A0	<<locked>>	60%	13605	31%	**5	93%
SNPE Vectan BA 9	<<locked>>	62%	17811	40%	**27	99%
SNPE Vectan BA10	<<locked>>	61%	23409	53%	**07	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	62%	11676	26%	**2	81%
SNPE Vectan BA9 1/2	<<locked>>	62%	16940	38%	**24	100%
Shooters World Auto Pistol	<<locked>>	61%	24947	56%	**43	91%
[Shooters World Major Pistol]*	<<locked>>	84%	28036	63%	**42	80%
Somchem MP200	<<locked>>	60%	16215	37%	**37	95%
Somchem MS200	<<locked>>	61%	15534	35%	**04	96%
[Somchem S221]*	<<locked>>	64%	19348	44%	**38	80%
[Vihtavuori 3N37]*	<<locked>>	61%	12314	28%	**5	84%
Vihtavuori N310	<<locked>>	61%	27673	63%	**79	100%
Vihtavuori N320	<<locked>>	61%	17361	39%	**17	100%
Vihtavuori N32C Tin Star	<<locked>>	60%	9181	21%	**7	100%
Vihtavuori N330	<<locked>>	61%	15345	35%	**24	100%
Vihtavuori N340	<<locked>>	60%	13924	31%	**1	94%
[Vihtavuori N350]*	<<locked>>	61%	11139	25%	**5	82%
Winchester 231	<<locked>>	61%	23467	53%	**32	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