Load data for .357 Auto Magnum + .357 | 158gr | H&N SWC KB

Recommended Powder(s): ADI AP 100

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.357 \| 158gr \| H&N SWC KB
Bullet Weight:	158gr \| 10.2g
Bullet Diameter:	0.357" \| 9.07mm
Bullet Length:	0.689" \| 17.5mm
Caliber:	.357 Auto Magnum load data
Case Length (l3):	1.299" \| 33.0mm
Cartridge Length (C.O.L.):	1.576" \| 40.0mm
Seated Depth:	0.412" \| 10.5mm
Shank Seated Depth:	0.412" \| 10.5mm
Case Capacity:	35.0 Grains of Water \| 2.27 cm³
Primer Size:	Small Pistol Magnum (SPM)
Max. allowed Pressure:	36985 psi \| 2550 bar
LID:	LID_B7485_C511
Last updated:	2025-01-01

Load data for 82 loads in caliber .357 Auto Magnum with .357 | 158gr | H&N SWC KB bullet and 41 powders such as ADI AP 100. 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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C.O.L. (mm)
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Min z (%)
Min FR (%)
Max FR*
Barrel Length (Inch)
Barrel Length (cm)
Safety Buffer (%)
.
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.

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>>	81%	33170	90%	**01	100%
ADI APS 450	<<locked>>	64%	32460	88%	**42	100%
ADI AS 30	<<locked>>	63%	31531	85%	**65	100%
[Accurate 4100]*	<<locked>>	82%	31850	86%	**40	83%
Accurate No. 2	<<locked>>	63%	33127	90%	**16	100%
Accurate No. 9	<<locked>>	70%	31952	86%	**40	90%
Accurate Solo 1000	<<locked>>	64%	32982	89%	**07	100%
Accurate Solo 1250	<<locked>>	66%	31807	86%	**50	100%
Accurate TCM	<<locked>>	71%	32895	89%	**47	91%
[Alliant 2400]*	<<locked>>	80%	32503	88%	**63	87%
Alliant BLUE DOT	<<locked>>	81%	32358	87%	**44	94%
Alliant POWER PISTOL	<<locked>>	66%	32924	89%	**34	100%
Alliant UNIQUE	<<locked>>	65%	31749	86%	**22	100%
Baschieri & Pellagri 100	<<locked>>	64%	32387	88%	**04	100%
[Hodgdon LilGun]*	<<locked>>	91%	32256	87%	**35	87%
Hodgdon TrailBoss	<<locked>>	97%	19653	53%	**8	100%
Lovex D037.2	<<locked>>	70%	32779	89%	**53	90%
Maxam CSB 1	<<locked>>	70%	33127	90%	**60	100%
Maxam CSB 2	<<locked>>	66%	32721	88%	**47	100%
Maxam CSB 3	<<locked>>	64%	31212	84%	**11	100%
Maxam CSB 4	<<locked>>	64%	33083	89%	**20	100%
[Ramshot Enforcer]*	<<locked>>	80%	32213	87%	**73	88%
ReloadSwiss RS 14	<<locked>>	93%	16897	46%	**1	100%
ReloadSwiss RS 20	<<locked>>	67%	32561	88%	**19	100%
ReloadSwiss RS 24	<<locked>>	68%	32779	89%	**34	97%
Rottweil P 806	<<locked>>	71%	31604	85%	**24	100%
SNPE Vectan A0	<<locked>>	69%	32561	88%	**96	100%
SNPE Vectan BA 9	<<locked>>	63%	32474	88%	**63	100%
[SNPE Vectan BA6 1/2]*	<<locked>>	96%	23032	62%	**83	83%
SNPE Vectan BA7 1/2	<<locked>>	72%	31705	86%	**45	100%
SNPE Vectan BA9 1/2	<<locked>>	63%	32198	87%	**60	100%
Shooters World Heavy Pistol	<<locked>>	70%	32779	89%	**53	90%
Somchem MS200	<<locked>>	66%	32982	89%	**02	100%
Vihtavuori 3N37	<<locked>>	66%	31604	85%	**55	100%
Vihtavuori 3N38	<<locked>>	78%	32793	89%	**37	98%
Vihtavuori N105	<<locked>>	82%	31415	85%	**40	99%
[Vihtavuori N110]*	<<locked>>	96%	28921	78%	**34	85%
Vihtavuori N32C Tin Star	<<locked>>	83%	31894	86%	**42	100%
Vihtavuori N330	<<locked>>	63%	33185	90%	**80	100%
Vihtavuori N340	<<locked>>	65%	31589	85%	**93	100%
Vihtavuori N350	<<locked>>	70%	32779	89%	**65	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AP 100	<<locked>>	61%	18608	50%	**25	95%
ADI APS 450	<<locked>>	61%	30472	82%	**19	100%
ADI AS 30	<<locked>>	61%	29544	80%	**42	100%
[Accurate 4100]*	<<locked>>	78%	27630	75%	**68	80%
Accurate No. 2	<<locked>>	61%	30966	84%	**86	100%
[Accurate No. 9]*	<<locked>>	61%	22611	61%	**60	83%
Accurate Solo 1000	<<locked>>	61%	30951	84%	**84	100%
Accurate Solo 1250	<<locked>>	61%	27862	75%	**98	100%
[Accurate TCM]*	<<locked>>	61%	23221	63%	**70	85%
[Alliant 2400]*	<<locked>>	71%	24294	66%	**02	81%
[Alliant BLUE DOT]*	<<locked>>	61%	17172	46%	**12	82%
Alliant POWER PISTOL	<<locked>>	61%	27891	75%	**52	99%
Alliant UNIQUE	<<locked>>	61%	28079	76%	**63	100%
Baschieri & Pellagri 100	<<locked>>	61%	30342	82%	**81	100%
[Hodgdon LilGun]*	<<locked>>	85%	25164	68%	**91	81%
Hodgdon TrailBoss	<<locked>>	61%	9050	24%	**8	100%
[Lovex D037.2]*	<<locked>>	61%	23105	62%	**63	83%
Maxam CSB 1	<<locked>>	61%	25628	69%	**55	100%
Maxam CSB 2	<<locked>>	62%	28761	78%	**98	100%
Maxam CSB 3	<<locked>>	61%	29240	79%	**84	100%
Maxam CSB 4	<<locked>>	61%	31009	84%	**94	100%
[Ramshot Enforcer]*	<<locked>>	71%	22669	61%	**86	81%
ReloadSwiss RS 14	<<locked>>	61%	8514	23%	**5	100%
ReloadSwiss RS 20	<<locked>>	61%	26847	73%	**40	100%
ReloadSwiss RS 24	<<locked>>	61%	25237	68%	**09	93%
Rottweil P 806	<<locked>>	61%	22162	60%	**50	99%
SNPE Vectan A0	<<locked>>	61%	25570	69%	**88	100%
SNPE Vectan BA 9	<<locked>>	61%	30618	83%	**37	100%
[SNPE Vectan BA6 1/2]*	<<locked>>	91%	20073	54%	**11	80%
SNPE Vectan BA7 1/2	<<locked>>	61%	22626	61%	**91	100%
SNPE Vectan BA9 1/2	<<locked>>	61%	30313	82%	**34	100%
[Shooters World Heavy Pistol]*	<<locked>>	61%	23105	62%	**63	83%
Somchem MS200	<<locked>>	61%	29225	79%	**53	100%
Vihtavuori 3N37	<<locked>>	61%	26527	72%	**73	100%
[Vihtavuori 3N38]*	<<locked>>	61%	18840	51%	**58	89%
[Vihtavuori N105]*	<<locked>>	61%	14765	40%	**83	88%
[Vihtavuori N110]*	<<locked>>	90%	23453	63%	**12	80%
Vihtavuori N32C Tin Star	<<locked>>	61%	18913	51%	**8	100%
Vihtavuori N330	<<locked>>	61%	30995	84%	**50	100%
Vihtavuori N340	<<locked>>	61%	27891	75%	**37	100%
Vihtavuori N350	<<locked>>	61%	24192	65%	**30	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