Load data for .357 Magnum + .356 | 135gr | H&N SWC KB

Recommended Powder(s): Rottweil P 806, SNPE Vectan BA7 1/2, Vihtavuori 3N37

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.356 \| 135gr \| H&N SWC KB
Bullet Weight:	135gr \| 8.7g
Bullet Diameter:	0.356" \| 9.04mm
Bullet Length:	0.628" \| 16.0mm
Caliber:	.357 Magnum load data
Case Length (l3):	1.290" \| 32.8mm
Cartridge Length (C.O.L.):	1.566" \| 39.8mm
Seated Depth:	0.352" \| 8.9mm
Shank Seated Depth:	0.352" \| 8.9mm
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_B7460_C513
Last updated:	2025-02-02

Load data for 124 loads in caliber .357 Magnum with .356 | 135gr | H&N SWC KB bullet and 62 powders such as Rottweil P 806, SNPE Vectan BA7 1/2, 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>>	96%	33533	77%	**07	97%
ADI AP 70N	<<locked>>	69%	36376	84%	**39	100%
ADI APS 350	<<locked>>	77%	38522	89%	**78	100%
ADI APS 450	<<locked>>	77%	36709	84%	**91	100%
ADI AS 30	<<locked>>	81%	38783	89%	**57	100%
ADI AS 50N	<<locked>>	75%	36956	85%	**83	100%
Accurate No. 2	<<locked>>	75%	36463	84%	**55	100%
Accurate No. 5	<<locked>>	63%	37753	87%	**63	99%
Accurate No. 7	<<locked>>	80%	38928	89%	**35	92%
[Accurate No. 9]*	<<locked>>	88%	37869	87%	**09	85%
Accurate Solo 1000	<<locked>>	79%	38493	88%	**86	100%
Accurate Solo 1250	<<locked>>	82%	36230	83%	**19	100%
[Accurate TCM]*	<<locked>>	88%	38566	89%	**12	87%
[Alliant BLUE DOT]*	<<locked>>	96%	31908	73%	**21	87%
Alliant BULLSEYE	<<locked>>	72%	36709	84%	**94	100%
Alliant POWER PISTOL	<<locked>>	83%	37753	87%	**16	98%
Alliant UNIQUE	<<locked>>	85%	38798	89%	**27	100%
Baschieri & Pellagri 100	<<locked>>	79%	36927	85%	**70	100%
Hodgdon Clays	<<locked>>	73%	35853	82%	**58	100%
Hodgdon HS-6	<<locked>>	69%	38218	88%	**47	100%
Hodgdon Longshot	<<locked>>	65%	36767	85%	**24	100%
Hodgdon Universal	<<locked>>	76%	36376	84%	**39	100%
Hodgdon TrailBoss	<<locked>>	92%	13024	30%	**9	100%
Lovex D036	<<locked>>	63%	37710	87%	**63	99%
Lovex D037.1	<<locked>>	80%	38928	89%	**35	92%
[Lovex D037.2]*	<<locked>>	87%	37869	87%	**09	85%
Lovex S011	<<locked>>	69%	39146	90%	**19	100%
Lovex S020	<<locked>>	75%	36550	84%	**55	100%
Maxam CSB 1	<<locked>>	88%	38232	88%	**32	100%
Maxam CSB 2	<<locked>>	84%	37884	87%	**39	100%
Maxam CSB 3	<<locked>>	81%	37449	86%	**06	100%
Maxam CSB 4	<<locked>>	80%	38464	88%	**93	100%
Maxam CSB 5	<<locked>>	75%	38566	89%	**43	100%
Ramshot Silhouette	<<locked>>	68%	36405	84%	**94	100%
Ramshot True Blue	<<locked>>	65%	38754	89%	**47	100%
ReloadSwiss RS 12	<<locked>>	73%	38203	88%	**22	100%
ReloadSwiss RS 14	<<locked>>	96%	12473	29%	**9	100%
ReloadSwiss RS 20	<<locked>>	85%	37724	87%	**04	100%
ReloadSwiss RS 24	<<locked>>	86%	38130	88%	**12	94%
Rottweil P 801	<<locked>>	67%	36405	84%	**73	100%
Rottweil P 806 👍	<<locked>>	91%	37507	86%	**32	100%
SNPE Vectan A0	<<locked>>	86%	37144	85%	**62	100%
SNPE Vectan BA 9	<<locked>>	78%	37347	86%	**29	100%
SNPE Vectan BA10	<<locked>>	71%	36695	84%	**91	100%
SNPE Vectan BA7 1/2 👍	<<locked>>	91%	37420	86%	**24	100%
SNPE Vectan BA9 1/2	<<locked>>	80%	38508	88%	**55	100%
Shooters World Auto Pistol	<<locked>>	63%	37710	87%	**63	99%
[Shooters World Heavy Pistol]*	<<locked>>	87%	37869	87%	**09	85%
Shooters World Major Pistol	<<locked>>	80%	38928	89%	**35	92%
Somchem MP200	<<locked>>	77%	37898	87%	**11	100%
Somchem MS200	<<locked>>	83%	38377	88%	**88	100%
Somchem S221	<<locked>>	73%	38537	89%	**93	97%
Vihtavuori 3N37 👍	<<locked>>	84%	37478	86%	**44	100%
Vihtavuori 3N38	<<locked>>	96%	36187	83%	**80	94%
Vihtavuori N105	<<locked>>	97%	29341	67%	**30	95%
Vihtavuori N310	<<locked>>	65%	39073	90%	**17	100%
Vihtavuori N320	<<locked>>	75%	36216	83%	**73	100%
Vihtavuori N32C Tin Star	<<locked>>	96%	32010	74%	**55	100%
Vihtavuori N330	<<locked>>	77%	36027	83%	**32	100%
Vihtavuori N340	<<locked>>	81%	36956	85%	**71	100%
Vihtavuori N350	<<locked>>	88%	38101	88%	**44	100%
Winchester 231	<<locked>>	66%	37492	86%	**22	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	61%	12691	29%	**1	81%
ADI AP 70N	<<locked>>	60%	28239	65%	**34	100%
ADI APS 350	<<locked>>	61%	26237	60%	**27	100%
ADI APS 450	<<locked>>	61%	25382	58%	**47	100%
ADI AS 30	<<locked>>	62%	24192	56%	**73	100%
ADI AS 50N	<<locked>>	62%	25802	59%	**45	100%
Accurate No. 2	<<locked>>	60%	22379	51%	**52	100%
Accurate No. 5	<<locked>>	61%	35128	81%	**34	99%
[Accurate No. 7]*	<<locked>>	65%	21973	51%	**50	82%
[Accurate No. 9]*	<<locked>>	80%	28892	66%	**71	80%
Accurate Solo 1000	<<locked>>	61%	24337	56%	**06	100%
Accurate Solo 1250	<<locked>>	62%	20668	47%	**99	100%
[Accurate TCM]*	<<locked>>	78%	27514	63%	**32	81%
[Alliant BLUE DOT]*	<<locked>>	83%	22611	52%	**40	81%
Alliant BULLSEYE	<<locked>>	60%	25817	59%	**40	100%
[Alliant POWER PISTOL]*	<<locked>>	60%	18724	43%	**58	88%
Alliant UNIQUE	<<locked>>	60%	19493	45%	**25	100%
Baschieri & Pellagri 100	<<locked>>	62%	23192	53%	**99	100%
Hodgdon Clays	<<locked>>	61%	26643	61%	**47	100%
Hodgdon HS-6	<<locked>>	61%	28674	66%	**16	99%
Hodgdon Longshot	<<locked>>	61%	31807	73%	**65	100%
Hodgdon Universal	<<locked>>	61%	23438	54%	**55	100%
Hodgdon TrailBoss	<<locked>>	62%	6657	15%	**6	100%
Lovex D036	<<locked>>	61%	35085	81%	**34	99%
[Lovex D037.1]*	<<locked>>	65%	21973	51%	**50	82%
[Lovex D037.2]*	<<locked>>	79%	28892	66%	**71	80%
Lovex S011	<<locked>>	60%	29994	69%	**11	100%
Lovex S020	<<locked>>	60%	22989	53%	**68	100%
Maxam CSB 1	<<locked>>	61%	18681	43%	**56	100%
Maxam CSB 2	<<locked>>	61%	19682	45%	**86	100%
Maxam CSB 3	<<locked>>	61%	21654	50%	**89	100%
Maxam CSB 4	<<locked>>	62%	24207	56%	**15	100%
Maxam CSB 5	<<locked>>	61%	26426	61%	**96	100%
Ramshot Silhouette	<<locked>>	61%	28906	66%	**96	100%
Ramshot True Blue	<<locked>>	61%	33620	77%	**81	100%
ReloadSwiss RS 12	<<locked>>	61%	26745	61%	**88	100%
ReloadSwiss RS 14	<<locked>>	61%	5802	13%	**9	96%
ReloadSwiss RS 20	<<locked>>	61%	18376	42%	**15	100%
[ReloadSwiss RS 24]*	<<locked>>	63%	18376	42%	**48	81%
Rottweil P 801	<<locked>>	61%	30821	71%	**11	100%
[Rottweil P 806]*	<<locked>>	61%	12183	28%	**24	86%
SNPE Vectan A0	<<locked>>	61%	18913	43%	**79	100%
SNPE Vectan BA 9	<<locked>>	60%	22727	52%	**32	100%
SNPE Vectan BA10	<<locked>>	61%	28094	65%	**83	100%
SNPE Vectan BA7 1/2	<<locked>>	61%	15896	37%	**40	92%
SNPE Vectan BA9 1/2	<<locked>>	62%	23061	53%	**42	100%
Shooters World Auto Pistol	<<locked>>	61%	35085	81%	**34	99%
[Shooters World Heavy Pistol]*	<<locked>>	79%	28892	66%	**71	80%
[Shooters World Major Pistol]*	<<locked>>	65%	21973	51%	**50	82%
Somchem MP200	<<locked>>	61%	23337	54%	**98	100%
Somchem MS200	<<locked>>	61%	21263	49%	**35	100%
Somchem S221	<<locked>>	61%	25454	59%	**86	91%
Vihtavuori 3N37	<<locked>>	61%	17956	41%	**12	95%
[Vihtavuori 3N38]*	<<locked>>	71%	16998	39%	**12	80%
[Vihtavuori N105]*	<<locked>>	77%	15200	35%	**09	82%
Vihtavuori N310	<<locked>>	62%	35578	82%	**81	100%
Vihtavuori N320	<<locked>>	61%	24526	56%	**25	100%
Vihtavuori N32C Tin Star	<<locked>>	60%	13227	30%	**3	100%
Vihtavuori N330	<<locked>>	61%	22510	52%	**52	100%
Vihtavuori N340	<<locked>>	60%	19624	45%	**15	100%
Vihtavuori N350	<<locked>>	60%	16056	37%	**63	94%
Winchester 231	<<locked>>	61%	31778	73%	**57	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