Load data for .357 Auto Magnum + .357 | 158gr | Norma HP

Recommended Powder(s): ADI AP 100

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.357 \| 158gr \| Norma HP
Manufacturer SKU:	69101
Bullet Weight:	158gr \| 10.2g
Bullet Diameter:	0.357" \| 9.07mm
Bullet Length:	0.679" \| 17.2mm
Caliber:	.357 Auto Magnum load data
Case Length (l3):	1.299" \| 33.0mm
Cartridge Length (C.O.L.):	1.576" \| 40.0mm
Seated Depth:	0.402" \| 10.2mm
Shank Seated Depth:	0.402" \| 10.2mm
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_B3895_C511
Last updated:	2025-01-01

Load data for 68 loads in caliber .357 Auto Magnum with .357 | 158gr | Norma HP bullet and 34 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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Min z (%)
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Safety Buffer (%)
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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>>	78%	32126	87%	**88	100%
ADI APS 450	<<locked>>	63%	32590	88%	**38	100%
[Accurate 4100]*	<<locked>>	82%	33243	90%	**53	84%
Accurate No. 9	<<locked>>	69%	32343	87%	**37	90%
Accurate Solo 1250	<<locked>>	65%	32590	88%	**53	100%
Accurate TCM	<<locked>>	69%	32271	87%	**40	91%
[Alliant 2400]*	<<locked>>	78%	33040	89%	**63	87%
Alliant BLUE DOT	<<locked>>	79%	32663	88%	**40	94%
Alliant POWER PISTOL	<<locked>>	65%	33098	89%	**40	100%
Alliant UNIQUE	<<locked>>	65%	32880	89%	**25	100%
Baschieri & Pellagri 100	<<locked>>	63%	33040	89%	**14	100%
[Hodgdon LilGun]*	<<locked>>	89%	32837	89%	**39	88%
Hodgdon TrailBoss	<<locked>>	94%	20030	54%	**4	100%
Lovex D037.2	<<locked>>	69%	33025	89%	**50	90%
Maxam CSB 1	<<locked>>	68%	32895	89%	**53	100%
Maxam CSB 2	<<locked>>	63%	31879	86%	**34	100%
Maxam CSB 3	<<locked>>	63%	31792	86%	**20	100%
[Ramshot Enforcer]*	<<locked>>	78%	32039	87%	**60	88%
ReloadSwiss RS 14	<<locked>>	96%	19508	53%	**10	100%
ReloadSwiss RS 20	<<locked>>	65%	32430	88%	**12	100%
ReloadSwiss RS 24	<<locked>>	67%	32967	89%	**44	97%
Rottweil P 806	<<locked>>	69%	32822	89%	**30	100%
SNPE Vectan A0	<<locked>>	67%	32285	87%	**83	100%
[SNPE Vectan BA6 1/2]*	<<locked>>	97%	25411	69%	**32	86%
SNPE Vectan BA7 1/2	<<locked>>	72%	32445	88%	**45	100%
Shooters World Heavy Pistol	<<locked>>	69%	33025	89%	**50	90%
Somchem MS200	<<locked>>	63%	31807	86%	**80	100%
Vihtavuori 3N37	<<locked>>	65%	31647	86%	**45	100%
Vihtavuori 3N38	<<locked>>	76%	33054	89%	**30	98%
Vihtavuori N105	<<locked>>	80%	32039	87%	**53	100%
[Vihtavuori N110]*	<<locked>>	96%	31270	85%	**57	87%
Vihtavuori N32C Tin Star	<<locked>>	82%	32880	89%	**45	100%
Vihtavuori N340	<<locked>>	63%	31546	85%	**86	100%
Vihtavuori N350	<<locked>>	68%	32735	89%	**65	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AP 100	<<locked>>	61%	19522	53%	**38	95%
ADI APS 450	<<locked>>	61%	30618	83%	**15	100%
[Accurate 4100]*	<<locked>>	76%	27644	75%	**58	80%
[Accurate No. 9]*	<<locked>>	61%	24366	66%	**83	84%
Accurate Solo 1250	<<locked>>	61%	28660	77%	**01	100%
[Accurate TCM]*	<<locked>>	61%	24395	66%	**89	86%
[Alliant 2400]*	<<locked>>	68%	23975	65%	**89	81%
[Alliant BLUE DOT]*	<<locked>>	61%	19014	51%	**55	84%
Alliant POWER PISTOL	<<locked>>	61%	29646	80%	**81	99%
Alliant UNIQUE	<<locked>>	61%	29240	79%	**70	100%
Baschieri & Pellagri 100	<<locked>>	61%	31067	84%	**88	100%
[Hodgdon LilGun]*	<<locked>>	80%	23844	64%	**58	80%
Hodgdon TrailBoss	<<locked>>	62%	10704	29%	**1	100%
[Lovex D037.2]*	<<locked>>	61%	25106	68%	**02	85%
Maxam CSB 1	<<locked>>	61%	27282	74%	**78	100%
Maxam CSB 2	<<locked>>	61%	29950	81%	**04	100%
Maxam CSB 3	<<locked>>	61%	29892	81%	**94	100%
[Ramshot Enforcer]*	<<locked>>	67%	22104	60%	**63	80%
ReloadSwiss RS 14	<<locked>>	61%	9863	27%	**4	100%
ReloadSwiss RS 20	<<locked>>	61%	28747	78%	**57	100%
ReloadSwiss RS 24	<<locked>>	61%	26876	73%	**25	94%
Rottweil P 806	<<locked>>	61%	24801	67%	**96	100%
SNPE Vectan A0	<<locked>>	61%	27108	73%	**07	100%
[SNPE Vectan BA6 1/2]*	<<locked>>	89%	20262	55%	**14	81%
SNPE Vectan BA7 1/2	<<locked>>	61%	23554	64%	**01	100%
[Shooters World Heavy Pistol]*	<<locked>>	61%	25106	68%	**02	85%
Somchem MS200	<<locked>>	61%	29994	81%	**57	100%
Vihtavuori 3N37	<<locked>>	61%	28239	76%	**99	100%
Vihtavuori 3N38	<<locked>>	61%	20624	56%	**91	91%
Vihtavuori N105	<<locked>>	61%	16723	45%	**38	91%
[Vihtavuori N110]*	<<locked>>	87%	23148	63%	**02	80%
Vihtavuori N32C Tin Star	<<locked>>	61%	20073	54%	**5	100%
Vihtavuori N340	<<locked>>	61%	29602	80%	**60	100%
Vihtavuori N350	<<locked>>	61%	26078	71%	**60	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.