Load data for .357 Magnum + .356 | 135gr | H&N KS HS

Recommended Powder(s):

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.356 \| 135gr \| H&N KS HS
Bullet Weight:	135gr \| 8.7g
Bullet Diameter:	0.356" \| 9.04mm
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_B7461_C513
Last updated:	2026-01-21

Load data for 128 loads in caliber .357 Magnum with .356 | 135gr | H&N KS HS bullet and 64 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".

Go to the bottom of the "Dashboard " page to set the measure system (imperial vs. metric)
No data yet
C.O.L. (Inch)
C.O.L. (mm)
We recommend you limit powder range to relevant brands to speed up re-calculation of results
Use the Personalized Load Calculator to customize loads to your own specific requirements. Find more details in the help section.

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%	36434	84%	**70	99%
ADI AP 70N	<<locked>>	69%	38305	88%	**81	100%
ADI APS 350	<<locked>>	75%	38058	87%	**91	100%
ADI APS 450	<<locked>>	78%	38928	89%	**34	100%
ADI AS 30	<<locked>>	79%	38101	88%	**66	100%
ADI AS 50N	<<locked>>	75%	37840	87%	**12	100%
Accurate No. 2	<<locked>>	75%	38363	88%	**98	100%
Accurate No. 7	<<locked>>	77%	38203	88%	**49	92%
[Accurate No. 9]*	<<locked>>	86%	39131	90%	**49	87%
Accurate Solo 1000	<<locked>>	78%	39073	90%	**06	100%
Accurate Solo 1250	<<locked>>	82%	38145	88%	**58	100%
[Accurate TCM]*	<<locked>>	86%	38740	89%	**39	88%
[Alliant 2400]*	<<locked>>	96%	37072	85%	**32	83%
Alliant BLUE DOT	<<locked>>	97%	35027	80%	**96	90%
Alliant BULLSEYE	<<locked>>	72%	38682	89%	**30	100%
Alliant POWER PISTOL	<<locked>>	82%	38479	88%	**45	99%
Alliant Sport Pistol	<<locked>>	68%	38595	89%	**44	100%
Alliant UNIQUE	<<locked>>	83%	38899	89%	**47	100%
Baschieri & Pellagri 100	<<locked>>	79%	38928	89%	**12	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	96%	37173	85%	**99	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	73%	37971	87%	**19	100%
Hodgdon Clays	<<locked>>	75%	38638	89%	**14	100%
Hodgdon HS-6	<<locked>>	67%	38624	89%	**80	100%
Hodgdon Longshot	<<locked>>	64%	38667	89%	**67	100%
Hodgdon Universal	<<locked>>	76%	38305	88%	**81	100%
Hodgdon CFE Pistol	<<locked>>	79%	38972	90%	**75	100%
Lovex D037.1	<<locked>>	77%	38203	88%	**49	92%
[Lovex D037.2]*	<<locked>>	85%	39131	90%	**49	87%
Lovex S011	<<locked>>	67%	38029	87%	**22	100%
Lovex S020	<<locked>>	74%	38261	88%	**91	100%
Maxam CSB 1	<<locked>>	86%	38464	88%	**58	100%
Maxam CSB 2	<<locked>>	82%	38435	88%	**58	100%
Maxam CSB 3	<<locked>>	80%	37985	87%	**29	100%
Maxam CSB 4	<<locked>>	78%	38957	90%	**19	100%
Maxam CSB 5	<<locked>>	73%	37797	87%	**50	100%
[Ramshot Enforcer]*	<<locked>>	97%	36782	85%	**49	84%
Ramshot Silhouette	<<locked>>	68%	38653	89%	**44	100%
Ramshot True Blue	<<locked>>	64%	39146	90%	**70	100%
ReloadSwiss RS 12	<<locked>>	72%	38783	89%	**42	100%
ReloadSwiss RS 20	<<locked>>	83%	37724	87%	**24	100%
ReloadSwiss RS 24	<<locked>>	83%	38101	88%	**35	95%
Rottweil P 801	<<locked>>	67%	38537	89%	**06	100%
Rottweil P 806	<<locked>>	89%	38189	88%	**52	100%
SNPE Vectan A0	<<locked>>	85%	38392	88%	**91	100%
SNPE Vectan BA 9	<<locked>>	77%	38479	88%	**58	100%
SNPE Vectan BA10	<<locked>>	73%	38914	89%	**34	100%
SNPE Vectan BA7 1/2 👍	<<locked>>	91%	39073	90%	**63	100%
SNPE Vectan BA9 1/2	<<locked>>	79%	38493	88%	**71	100%
SNPE Vectan SP 2	<<locked>>	77%	38392	88%	**55	100%
[Shooters World Heavy Pistol]*	<<locked>>	85%	39131	90%	**49	87%
Shooters World Major Pistol	<<locked>>	77%	38203	88%	**49	92%
Somchem MP200	<<locked>>	75%	37884	87%	**21	100%
Somchem MS200	<<locked>>	81%	38566	89%	**11	100%
Somchem S221	<<locked>>	71%	38421	88%	**12	97%
Vihtavuori 3N37 👍	<<locked>>	83%	38203	88%	**67	100%
Vihtavuori 3N38	<<locked>>	95%	38566	89%	**19	95%
Vihtavuori N105	<<locked>>	97%	31995	74%	**83	97%
Vihtavuori N310	<<locked>>	64%	38769	89%	**34	100%
Vihtavuori N320	<<locked>>	76%	38740	89%	**16	100%
Vihtavuori N32C Tin Star	<<locked>>	96%	33649	77%	**91	100%
Vihtavuori N330	<<locked>>	77%	38029	87%	**71	100%
Vihtavuori N340	<<locked>>	81%	38464	88%	**04	100%
Vihtavuori N350 👍	<<locked>>	86%	38783	89%	**70	100%
Winchester 231	<<locked>>	65%	37710	87%	**42	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	62%	13793	32%	**07	84%
ADI AP 70N	<<locked>>	61%	30327	70%	**80	100%
ADI APS 350	<<locked>>	62%	27891	64%	**70	100%
ADI APS 450	<<locked>>	60%	25570	59%	**66	100%
ADI AS 30	<<locked>>	61%	24540	56%	**93	100%
ADI AS 50N	<<locked>>	60%	25947	60%	**58	100%
Accurate No. 2	<<locked>>	61%	24482	56%	**07	100%
[Accurate No. 7]*	<<locked>>	61%	20291	47%	**20	81%
[Accurate No. 9]*	<<locked>>	77%	27543	63%	**65	80%
Accurate Solo 1000	<<locked>>	62%	25643	59%	**38	100%
Accurate Solo 1250	<<locked>>	60%	20769	48%	**12	100%
[Accurate TCM]*	<<locked>>	74%	25614	59%	**25	81%
[Alliant 2400]*	<<locked>>	93%	32764	75%	**70	80%
[Alliant BLUE DOT]*	<<locked>>	79%	21698	50%	**40	81%
Alliant BULLSEYE	<<locked>>	61%	28007	64%	**86	100%
Alliant POWER PISTOL	<<locked>>	61%	19986	46%	**07	90%
Alliant Sport Pistol	<<locked>>	61%	31923	73%	**48	100%
Alliant UNIQUE	<<locked>>	62%	21466	49%	**84	100%
Baschieri & Pellagri 100	<<locked>>	60%	23221	53%	**09	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	61%	14794	34%	**1	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	61%	25425	58%	**65	100%
Hodgdon Clays	<<locked>>	62%	28340	65%	**83	100%
Hodgdon HS-6	<<locked>>	61%	30530	70%	**58	99%
Hodgdon Longshot	<<locked>>	61%	33837	78%	**04	100%
Hodgdon Universal	<<locked>>	60%	24598	57%	**88	100%
Hodgdon CFE Pistol	<<locked>>	61%	23728	55%	**75	100%
[Lovex D037.1]*	<<locked>>	61%	20291	47%	**20	81%
[Lovex D037.2]*	<<locked>>	76%	27543	63%	**65	80%
Lovex S011	<<locked>>	61%	32285	74%	**60	100%
Lovex S020	<<locked>>	61%	25150	58%	**17	100%
Maxam CSB 1	<<locked>>	61%	19754	45%	**89	100%
Maxam CSB 2	<<locked>>	61%	20987	48%	**25	100%
Maxam CSB 3	<<locked>>	61%	22960	53%	**22	100%
Maxam CSB 4	<<locked>>	61%	24439	56%	**29	100%
Maxam CSB 5	<<locked>>	61%	27905	64%	**32	100%
[Ramshot Enforcer]*	<<locked>>	91%	30284	70%	**47	80%
Ramshot Silhouette	<<locked>>	61%	30211	69%	**32	100%
Ramshot True Blue	<<locked>>	61%	35607	82%	**30	100%
ReloadSwiss RS 12	<<locked>>	61%	28094	65%	**14	100%
ReloadSwiss RS 20	<<locked>>	61%	19450	45%	**42	100%
[ReloadSwiss RS 24]*	<<locked>>	61%	17854	41%	**42	81%
Rottweil P 801	<<locked>>	61%	31705	73%	**30	100%
[Rottweil P 806]*	<<locked>>	61%	13489	31%	**70	88%
SNPE Vectan A0	<<locked>>	61%	19769	45%	**06	100%
SNPE Vectan BA 9	<<locked>>	61%	24526	56%	**75	100%
SNPE Vectan BA10	<<locked>>	61%	29254	67%	**19	100%
SNPE Vectan BA7 1/2	<<locked>>	60%	16433	38%	**63	93%
SNPE Vectan BA9 1/2	<<locked>>	61%	23960	55%	**71	100%
SNPE Vectan SP 2	<<locked>>	61%	22104	51%	**70	94%
[Shooters World Heavy Pistol]*	<<locked>>	76%	27543	63%	**65	80%
[Shooters World Major Pistol]*	<<locked>>	61%	20291	47%	**20	81%
Somchem MP200	<<locked>>	62%	25034	58%	**37	100%
Somchem MS200	<<locked>>	61%	22118	51%	**68	100%
Somchem S221	<<locked>>	61%	26977	62%	**25	92%
Vihtavuori 3N37	<<locked>>	61%	19392	45%	**61	97%
[Vihtavuori 3N38]*	<<locked>>	68%	16462	38%	**09	80%
[Vihtavuori N105]*	<<locked>>	72%	14185	33%	**89	81%
Vihtavuori N310	<<locked>>	60%	35346	81%	**94	100%
Vihtavuori N320	<<locked>>	61%	25976	60%	**65	100%
Vihtavuori N32C Tin Star	<<locked>>	63%	15258	35%	**9	100%
Vihtavuori N330	<<locked>>	61%	23670	54%	**81	100%
Vihtavuori N340	<<locked>>	61%	21640	50%	**65	100%
Vihtavuori N350	<<locked>>	61%	17535	40%	**12	96%
Winchester 231	<<locked>>	61%	33649	77%	**93	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