Load data for .357 Magnum + .357 | 158gr | H&N KS HS

Recommended Powder(s):

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.357 \| 158gr \| H&N KS HS
Bullet Weight:	158gr \| 10.2g
Bullet Diameter:	0.357" \| 9.07mm
Bullet Length:	<<locked>>
Caliber:	.357 Magnum load data
Case Length (l3):	1.290" \| 32.8mm
Cartridge Length (C.O.L.):	<<locked>>
Seated Depth:	<<locked>>
Shank Seated Depth:	<<locked>>
Case Capacity:	25.6 Grains of Water \| 1.66 cm³
Primer Size:	Small Pistol Magnum (SPM)
Max. allowed Pressure:	43511 psi \| 3000 bar
LID:	LID_B7478_C513
Last updated:	2026-02-02

Load data for 134 loads in caliber .357 Magnum with .357 | 158gr | H&N KS HS bullet and 67 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>>	96%	36506	84%	**19	99%
ADI AP 70N	<<locked>>	68%	37884	87%	**24	100%
ADI APS 350	<<locked>>	75%	37637	86%	**56	100%
ADI APS 450	<<locked>>	77%	38043	87%	**89	100%
ADI AS 30	<<locked>>	79%	38885	89%	**38	100%
ADI AS 50N	<<locked>>	74%	37623	86%	**71	100%
Accurate No. 2	<<locked>>	75%	37971	87%	**43	100%
Accurate No. 7	<<locked>>	77%	38479	88%	**04	94%
[Accurate No. 9]*	<<locked>>	85%	38058	87%	**88	88%
Accurate Solo 1000	<<locked>>	78%	39001	90%	**61	100%
Accurate Solo 1250	<<locked>>	81%	37652	87%	**04	100%
Accurate TCM	<<locked>>	86%	38682	89%	**88	90%
[Alliant 2400]*	<<locked>>	96%	37449	86%	**98	85%
Alliant BE-86	<<locked>>	81%	38783	89%	**04	100%
Alliant BLUE DOT	<<locked>>	97%	35824	82%	**58	92%
Alliant BULLSEYE	<<locked>>	71%	37927	87%	**76	100%
Alliant Herco	<<locked>>	96%	36985	85%	**66	100%
Alliant POWER PISTOL	<<locked>>	81%	38203	88%	**91	99%
Alliant Sport Pistol	<<locked>>	67%	38276	88%	**86	100%
Alliant UNIQUE	<<locked>>	82%	37811	87%	**83	100%
Baschieri & Pellagri 100	<<locked>>	77%	37811	87%	**58	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	97%	38029	87%	**75	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	74%	38812	89%	**84	100%
Hodgdon Clays	<<locked>>	75%	38479	88%	**73	100%
Hodgdon HS-6	<<locked>>	67%	38667	89%	**25	100%
Hodgdon Longshot	<<locked>>	64%	38334	88%	**12	100%
Hodgdon Universal	<<locked>>	75%	37884	87%	**24	100%
Hodgdon CFE Pistol	<<locked>>	77%	38130	88%	**20	100%
Hodgdon TrailBoss	<<locked>>	97%	15345	35%	**7	100%
Lovex D037.1	<<locked>>	77%	38479	88%	**04	94%
[Lovex D037.2]*	<<locked>>	84%	38058	87%	**88	88%
Lovex S011	<<locked>>	67%	38290	88%	**84	100%
Lovex S020	<<locked>>	74%	38348	88%	**47	100%
Maxam CSB 1	<<locked>>	85%	38305	88%	**11	100%
Maxam CSB 2	<<locked>>	81%	37985	87%	**11	100%
Maxam CSB 3	<<locked>>	80%	38479	88%	**91	100%
Maxam CSB 4	<<locked>>	78%	39102	90%	**75	100%
Maxam CSB 5	<<locked>>	74%	38508	89%	**22	100%
[Ramshot Enforcer]*	<<locked>>	97%	37101	85%	**14	86%
Ramshot Silhouette	<<locked>>	68%	38798	89%	**89	100%
Ramshot True Blue	<<locked>>	63%	38885	89%	**16	100%
ReloadSwiss RS 12	<<locked>>	71%	38072	88%	**91	100%
ReloadSwiss RS 20	<<locked>>	83%	38711	89%	**83	100%
ReloadSwiss RS 24	<<locked>>	83%	38174	88%	**85	96%
Rottweil P 801	<<locked>>	67%	39102	90%	**75	100%
Rottweil P 806	<<locked>>	88%	38029	87%	**04	100%
SNPE Vectan A0	<<locked>>	85%	39030	90%	**47	100%
SNPE Vectan BA 9	<<locked>>	77%	38899	89%	**20	100%
SNPE Vectan BA10	<<locked>>	71%	38029	87%	**89	100%
SNPE Vectan BA7 1/2 👍	<<locked>>	90%	39117	90%	**16	100%
SNPE Vectan BA9 1/2	<<locked>>	78%	38464	88%	**20	100%
SNPE Vectan SP 2 👍	<<locked>>	77%	38638	89%	**01	100%
[Shooters World Heavy Pistol]*	<<locked>>	84%	38058	87%	**88	88%
Shooters World Major Pistol	<<locked>>	77%	38479	88%	**04	94%
Somchem MP200	<<locked>>	76%	38740	89%	**80	100%
Somchem MS200	<<locked>>	80%	38812	89%	**57	100%
Somchem S221	<<locked>>	71%	38479	88%	**68	98%
Vihtavuori 3N37 👍	<<locked>>	83%	39146	90%	**32	100%
Vihtavuori 3N38	<<locked>>	94%	37898	87%	**75	97%
Vihtavuori N105	<<locked>>	97%	32547	75%	**48	98%
Vihtavuori N310	<<locked>>	63%	38754	89%	**96	100%
Vihtavuori N320	<<locked>>	75%	38885	89%	**78	100%
Vihtavuori N32C Tin Star	<<locked>>	97%	34476	79%	**66	100%
Vihtavuori N330	<<locked>>	76%	37768	87%	**17	100%
Vihtavuori N340	<<locked>>	81%	38943	90%	**63	100%
Vihtavuori N350 👍	<<locked>>	85%	38159	88%	**16	100%
Winchester 231	<<locked>>	65%	38638	89%	**07	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	61%	13735	32%	**9	86%
ADI AP 70N	<<locked>>	61%	30371	70%	**38	100%
ADI APS 350	<<locked>>	62%	27920	64%	**8	100%
ADI APS 450	<<locked>>	60%	25918	60%	**5	100%
ADI AS 30	<<locked>>	61%	24947	57%	**1	100%
ADI AS 50N	<<locked>>	61%	27021	62%	**47	100%
Accurate No. 2	<<locked>>	60%	23917	55%	**73	100%
[Accurate No. 7]*	<<locked>>	61%	21132	49%	**29	84%
[Accurate No. 9]*	<<locked>>	73%	24743	57%	**84	80%
Accurate Solo 1000	<<locked>>	61%	25251	58%	**07	100%
Accurate Solo 1250	<<locked>>	62%	21872	50%	**10	100%
[Accurate TCM]*	<<locked>>	71%	23279	54%	**55	81%
[Alliant 2400]*	<<locked>>	89%	29298	67%	**80	80%
Alliant BE-86	<<locked>>	61%	21988	51%	**07	100%
[Alliant BLUE DOT]*	<<locked>>	75%	19203	44%	**73	81%
Alliant BULLSEYE	<<locked>>	60%	27470	63%	**42	100%
Alliant Herco	<<locked>>	60%	14823	34%	**2	99%
Alliant POWER PISTOL	<<locked>>	61%	20624	47%	**99	92%
Alliant Sport Pistol	<<locked>>	61%	32184	74%	**11	100%
Alliant UNIQUE	<<locked>>	60%	20900	48%	**50	100%
Baschieri & Pellagri 100	<<locked>>	62%	24482	56%	**07	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	61%	14823	34%	**3	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	60%	25599	59%	**47	100%
Hodgdon Clays	<<locked>>	62%	28384	65%	**5	100%
Hodgdon HS-6	<<locked>>	61%	30792	71%	**30	100%
Hodgdon Longshot	<<locked>>	61%	34214	79%	**73	100%
Hodgdon Universal	<<locked>>	61%	25063	58%	**70	100%
Hodgdon CFE Pistol	<<locked>>	61%	23496	54%	**43	100%
Hodgdon TrailBoss	<<locked>>	94%	14489	33%	**3	100%
[Lovex D037.1]*	<<locked>>	61%	21132	49%	**29	84%
[Lovex D037.2]*	<<locked>>	73%	24743	57%	**84	80%
Lovex S011	<<locked>>	60%	31778	73%	**15	100%
Lovex S020	<<locked>>	60%	24889	57%	**83	100%
Maxam CSB 1	<<locked>>	60%	19725	45%	**4	100%
Maxam CSB 2	<<locked>>	60%	21147	49%	**07	100%
Maxam CSB 3	<<locked>>	60%	22655	52%	**01	100%
Maxam CSB 4	<<locked>>	61%	25338	58%	**17	100%
Maxam CSB 5	<<locked>>	62%	28703	66%	**17	100%
[Ramshot Enforcer]*	<<locked>>	88%	27673	64%	**70	81%
Ramshot Silhouette	<<locked>>	60%	30516	70%	**98	100%
Ramshot True Blue	<<locked>>	61%	36172	83%	**86	100%
ReloadSwiss RS 12	<<locked>>	61%	28848	66%	**96	100%
ReloadSwiss RS 20	<<locked>>	61%	20030	46%	**40	100%
[ReloadSwiss RS 24]*	<<locked>>	61%	18188	42%	**43	83%
Rottweil P 801	<<locked>>	61%	32909	76%	**12	100%
Rottweil P 806	<<locked>>	61%	13822	32%	**8	92%
SNPE Vectan A0	<<locked>>	61%	20146	46%	**01	100%
SNPE Vectan BA 9	<<locked>>	61%	24294	56%	**50	100%
SNPE Vectan BA10	<<locked>>	60%	28718	66%	**1	100%
SNPE Vectan BA7 1/2	<<locked>>	62%	17289	40%	**1	95%
SNPE Vectan BA9 1/2	<<locked>>	62%	24584	57%	**56	100%
SNPE Vectan SP 2	<<locked>>	61%	22495	52%	**58	96%
[Shooters World Heavy Pistol]*	<<locked>>	73%	24743	57%	**84	80%
[Shooters World Major Pistol]*	<<locked>>	61%	21132	49%	**29	84%
Somchem MP200	<<locked>>	61%	25338	58%	**19	100%
Somchem MS200	<<locked>>	61%	22698	52%	**56	100%
Somchem S221	<<locked>>	61%	27789	64%	**14	94%
Vihtavuori 3N37	<<locked>>	61%	19798	46%	**56	98%
[Vihtavuori 3N38]*	<<locked>>	64%	14823	34%	**1	80%
[Vihtavuori N105]*	<<locked>>	69%	12836	30%	**5	81%
Vihtavuori N310	<<locked>>	61%	36811	85%	**76	100%
Vihtavuori N320	<<locked>>	61%	25788	59%	**33	100%
Vihtavuori N32C Tin Star	<<locked>>	63%	15650	36%	**0	100%
Vihtavuori N330	<<locked>>	61%	24279	56%	**66	100%
Vihtavuori N340	<<locked>>	60%	21089	48%	**33	100%
Vihtavuori N350	<<locked>>	61%	17666	41%	**07	97%
Winchester 231	<<locked>>	61%	34098	78%	**58	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