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

Recommended Powder(s):

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.356 \| 125gr \| H&N KS KB
Bullet Weight:	125gr \| 8.1g
Bullet Diameter:	0.356" \| 9.04mm
Bullet Length:	<<locked>>
Caliber:	.357 SIG load data
Case Length (l3):	0.860" \| 21.8mm
Cartridge Length (C.O.L.):	<<locked>>
Seated Depth:	<<locked>>
Shank Seated Depth:	<<locked>>
Case Capacity:	19.5 Grains of Water \| 1.27 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	44237 psi \| 3050 bar
LID:	LID_B7450_C518
Last updated:	2026-01-21

Load data for 124 loads in caliber .357 SIG with .356 | 125gr | H&N KS KB bullet and 62 powder(s). 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%	25991	59%	**86	91%
ADI AP 70N	<<locked>>	80%	38885	88%	**88	100%
ADI APS 350	<<locked>>	85%	39639	90%	**88	100%
ADI APS 450	<<locked>>	87%	39305	89%	**20	100%
ADI AS 30	<<locked>>	90%	39102	88%	**70	100%
ADI AS 50N	<<locked>>	86%	39276	89%	**22	100%
Accurate No. 2	<<locked>>	86%	39305	89%	**88	100%
Accurate No. 5	<<locked>>	72%	39276	89%	**90	98%
[Accurate No. 7]*	<<locked>>	90%	39726	90%	**39	87%
Accurate Solo 1000	<<locked>>	89%	39421	89%	**02	100%
Accurate Solo 1250	<<locked>>	95%	39668	90%	**71	100%
Alliant BULLSEYE	<<locked>>	84%	39639	90%	**40	100%
Alliant POWER PISTOL	<<locked>>	95%	39044	88%	**35	96%
Alliant Sport Pistol	<<locked>>	78%	39276	89%	**47	100%
Alliant UNIQUE 👍	<<locked>>	96%	39131	88%	**53	100%
Baschieri & Pellagri 100	<<locked>>	90%	39349	89%	**06	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	97%	27789	63%	**04	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	85%	39769	90%	**42	100%
Hodgdon Clays	<<locked>>	83%	39073	88%	**94	100%
Hodgdon HP38	<<locked>>	67%	39813	90%	**55	100%
Hodgdon HS-6	<<locked>>	78%	39595	89%	**73	99%
Hodgdon Longshot	<<locked>>	75%	39740	90%	**80	100%
Hodgdon Universal	<<locked>>	89%	38885	88%	**88	100%
Hodgdon CFE Pistol	<<locked>>	91%	39363	89%	**81	100%
Lovex D036	<<locked>>	72%	39218	89%	**86	98%
[Lovex D037.1]*	<<locked>>	90%	39726	90%	**39	87%
Lovex S011	<<locked>>	76%	38928	88%	**25	100%
Lovex S020	<<locked>>	87%	39508	89%	**04	100%
Maxam CSB 1	<<locked>>	96%	36767	83%	**35	100%
Maxam CSB 2	<<locked>>	97%	39479	89%	**85	100%
Maxam CSB 3	<<locked>>	93%	39392	89%	**39	100%
Maxam CSB 4	<<locked>>	89%	39088	88%	**16	100%
Maxam CSB 5	<<locked>>	84%	39276	89%	**63	100%
Ramshot Silhouette	<<locked>>	79%	39726	90%	**57	100%
Ramshot True Blue	<<locked>>	73%	39639	90%	**63	100%
Ramshot Zip	<<locked>>	68%	39262	89%	**55	100%
ReloadSwiss RS 12	<<locked>>	84%	39291	89%	**62	100%
ReloadSwiss RS 20 👍	<<locked>>	97%	38203	86%	**37	100%
[ReloadSwiss RS 24]*	<<locked>>	96%	37855	86%	**03	89%
Rottweil P 801	<<locked>>	78%	39436	89%	**29	100%
Rottweil P 806	<<locked>>	97%	29051	66%	**50	97%
SNPE Vectan A0 👍	<<locked>>	97%	38363	87%	**85	100%
SNPE Vectan BA 9	<<locked>>	89%	39494	89%	**68	100%
SNPE Vectan BA10	<<locked>>	81%	39291	89%	**20	100%
SNPE Vectan BA7 1/2	<<locked>>	96%	32605	74%	**68	98%
SNPE Vectan BA9 1/2	<<locked>>	91%	39726	90%	**81	100%
SNPE Vectan SP 2	<<locked>>	91%	39189	89%	**62	97%
Shooters World Auto Pistol	<<locked>>	72%	39218	89%	**86	98%
[Shooters World Major Pistol]*	<<locked>>	90%	39726	90%	**39	87%
Somchem MP200	<<locked>>	88%	39276	89%	**37	100%
Somchem MS200 👍	<<locked>>	93%	39233	89%	**14	100%
Somchem S221	<<locked>>	83%	39653	90%	**06	93%
Vihtavuori 3N37	<<locked>>	97%	39494	89%	**86	100%
[Vihtavuori 3N38]*	<<locked>>	96%	26121	59%	**09	84%
[Vihtavuori N105]*	<<locked>>	97%	19740	45%	**34	82%
Vihtavuori N310	<<locked>>	72%	39102	88%	**27	100%
Vihtavuori N320	<<locked>>	87%	39218	89%	**25	100%
Vihtavuori N32C Tin Star	<<locked>>	96%	24976	56%	**93	100%
Vihtavuori N330	<<locked>>	89%	38972	88%	**88	100%
Vihtavuori N340 👍	<<locked>>	94%	39537	89%	**17	100%
Vihtavuori N350	<<locked>>	96%	35563	80%	**27	100%
Winchester 231	<<locked>>	75%	39262	89%	**55	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	76%	15069	34%	**33	80%
ADI AP 70N	<<locked>>	61%	22089	50%	**58	100%
ADI APS 350	<<locked>>	60%	22408	51%	**8	100%
ADI APS 450	<<locked>>	60%	21060	48%	**1	100%
ADI AS 30	<<locked>>	61%	19218	43%	**07	100%
ADI AS 50N	<<locked>>	61%	20001	45%	**66	100%
Accurate No. 2	<<locked>>	61%	17999	41%	**63	96%
Accurate No. 5	<<locked>>	61%	26643	60%	**02	93%
[Accurate No. 7]*	<<locked>>	80%	26556	60%	**45	80%
Accurate Solo 1000	<<locked>>	61%	20001	45%	**43	100%
Accurate Solo 1250	<<locked>>	61%	15679	35%	**10	100%
Alliant BULLSEYE	<<locked>>	61%	21016	47%	**58	99%
[Alliant POWER PISTOL]*	<<locked>>	64%	15882	36%	**93	81%
Alliant Sport Pistol	<<locked>>	60%	23090	52%	**04	100%
Alliant UNIQUE	<<locked>>	61%	15011	34%	**33	96%
Baschieri & Pellagri 100	<<locked>>	61%	18014	41%	**20	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	66%	12009	27%	**9	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	62%	19203	43%	**79	100%
Hodgdon Clays	<<locked>>	60%	22655	51%	**4	100%
Hodgdon HP38	<<locked>>	61%	32518	73%	**76	100%
Hodgdon HS-6	<<locked>>	61%	21770	49%	**98	92%
Hodgdon Longshot	<<locked>>	61%	24584	56%	**53	96%
Hodgdon Universal	<<locked>>	61%	18347	41%	**86	100%
Hodgdon CFE Pistol	<<locked>>	60%	16795	38%	**47	100%
Lovex D036	<<locked>>	61%	26614	60%	**02	93%
[Lovex D037.1]*	<<locked>>	80%	26556	60%	**45	80%
Lovex S011	<<locked>>	62%	25396	57%	**61	100%
Lovex S020	<<locked>>	60%	17187	39%	**73	99%
Maxam CSB 1	<<locked>>	62%	14924	34%	**8	99%
Maxam CSB 2	<<locked>>	60%	14011	32%	**01	100%
Maxam CSB 3	<<locked>>	61%	17318	39%	**27	100%
Maxam CSB 4	<<locked>>	60%	18420	42%	**30	100%
Maxam CSB 5	<<locked>>	60%	21176	48%	**37	100%
Ramshot Silhouette	<<locked>>	62%	22727	51%	**01	98%
Ramshot True Blue	<<locked>>	61%	25077	57%	**53	96%
Ramshot Zip	<<locked>>	61%	31285	71%	**66	100%
ReloadSwiss RS 12	<<locked>>	61%	19638	44%	**06	100%
ReloadSwiss RS 20	<<locked>>	60%	13271	30%	**04	96%
[ReloadSwiss RS 24]*	<<locked>>	80%	22640	51%	**47	80%
Rottweil P 801	<<locked>>	62%	24149	55%	**42	100%
[Rottweil P 806]*	<<locked>>	71%	11095	25%	**27	80%
SNPE Vectan A0	<<locked>>	61%	14953	34%	**1	95%
SNPE Vectan BA 9	<<locked>>	60%	17941	41%	**50	100%
SNPE Vectan BA10	<<locked>>	61%	24076	54%	**37	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	61%	11922	27%	**8	83%
SNPE Vectan BA9 1/2	<<locked>>	61%	17332	39%	**50	100%
[SNPE Vectan SP 2]*	<<locked>>	61%	14112	32%	**73	81%
Shooters World Auto Pistol	<<locked>>	61%	26614	60%	**02	93%
[Shooters World Major Pistol]*	<<locked>>	80%	26556	60%	**45	80%
Somchem MP200	<<locked>>	60%	17550	40%	**86	96%
Somchem MS200	<<locked>>	60%	16012	36%	**30	97%
[Somchem S221]*	<<locked>>	61%	18869	43%	**52	81%
[Vihtavuori 3N37]*	<<locked>>	61%	13285	30%	**04	87%
[Vihtavuori 3N38]*	<<locked>>	89%	21147	48%	**17	80%
[Vihtavuori N105]*	<<locked>>	94%	18362	42%	**94	80%
Vihtavuori N310	<<locked>>	61%	28514	64%	**09	100%
Vihtavuori N320	<<locked>>	60%	18188	41%	**47	100%
Vihtavuori N32C Tin Star	<<locked>>	73%	14518	33%	**5	100%
Vihtavuori N330	<<locked>>	60%	16027	36%	**50	100%
Vihtavuori N340	<<locked>>	61%	15432	35%	**27	96%
[Vihtavuori N350]*	<<locked>>	61%	12140	27%	**5	85%
Winchester 231	<<locked>>	61%	25019	57%	**78	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