Load data for .357 Auto Magnum + .356 | 125gr | H&N HP HS

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

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.356 \| 125gr \| H&N HP HS
Bullet Weight:	125gr \| 8.1g
Bullet Diameter:	0.356" \| 9.04mm
Bullet Length:	0.589" \| 15.0mm
Caliber:	.357 Auto Magnum load data
Case Length (l3):	1.299" \| 33.0mm
Cartridge Length (C.O.L.):	1.576" \| 40.0mm
Seated Depth:	0.312" \| 7.9mm
Shank Seated Depth:	0.292" \| 7.4mm
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_B7446_C511
Last updated:	2025-01-01

Load data for 96 loads in caliber .357 Auto Magnum with .356 | 125gr | H&N HP HS bullet and 48 powders such as Rottweil P 806, SNPE Vectan BA7 1/2. 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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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>>	83%	32082	87%	**88	99%
ADI APS 350	<<locked>>	64%	32329	87%	**86	100%
ADI APS 450	<<locked>>	66%	32735	89%	**29	100%
ADI AS 30	<<locked>>	65%	31662	86%	**62	100%
ADI AS 50N	<<locked>>	63%	32822	89%	**14	100%
Accurate No. 2	<<locked>>	65%	33170	90%	**16	100%
Accurate No. 7	<<locked>>	65%	32779	89%	**54	92%
[Accurate No. 9]*	<<locked>>	73%	32460	88%	**24	86%
Accurate Solo 1000	<<locked>>	65%	32561	88%	**98	100%
Accurate Solo 1250	<<locked>>	70%	33083	89%	**67	100%
[Accurate TCM]*	<<locked>>	73%	32822	89%	**27	88%
[Alliant 2400]*	<<locked>>	82%	31981	86%	**44	83%
Alliant BLUE DOT	<<locked>>	85%	33257	90%	**54	91%
Alliant POWER PISTOL	<<locked>>	69%	33156	90%	**37	98%
Alliant UNIQUE	<<locked>>	68%	32256	87%	**35	100%
Baschieri & Pellagri 100	<<locked>>	66%	32256	87%	**94	100%
Hodgdon Clays	<<locked>>	64%	33141	90%	**12	100%
[Hodgdon LilGun]*	<<locked>>	95%	32967	89%	**13	83%
Hodgdon Universal	<<locked>>	63%	31995	86%	**60	100%
Hodgdon TrailBoss	<<locked>>	95%	17593	48%	**06	100%
Lovex D037.1	<<locked>>	65%	32779	89%	**54	92%
[Lovex D037.2]*	<<locked>>	73%	33054	89%	**34	86%
Lovex S020	<<locked>>	63%	32460	88%	**93	100%
Maxam CSB 1	<<locked>>	71%	32082	87%	**53	100%
Maxam CSB 2	<<locked>>	67%	31836	86%	**40	100%
Maxam CSB 3	<<locked>>	67%	32111	87%	**24	100%
Maxam CSB 4	<<locked>>	65%	32387	88%	**07	100%
[Ramshot Enforcer]*	<<locked>>	83%	32010	87%	**57	84%
ReloadSwiss RS 14	<<locked>>	96%	16592	45%	**22	100%
ReloadSwiss RS 20	<<locked>>	68%	31589	85%	**09	100%
ReloadSwiss RS 24	<<locked>>	70%	32343	87%	**21	94%
Rottweil P 806 👍	<<locked>>	75%	32851	89%	**27	100%
SNPE Vectan A0	<<locked>>	71%	31966	86%	**90	100%
SNPE Vectan BA 9	<<locked>>	64%	32111	87%	**50	100%
SNPE Vectan BA7 1/2 👍	<<locked>>	76%	32648	88%	**62	100%
SNPE Vectan BA9 1/2	<<locked>>	66%	33098	89%	**73	100%
[Shooters World Heavy Pistol]*	<<locked>>	73%	33054	89%	**34	86%
Shooters World Major Pistol	<<locked>>	65%	32779	89%	**54	92%
Somchem MP200	<<locked>>	64%	33127	90%	**42	100%
Somchem MS200	<<locked>>	67%	31821	86%	**93	100%
Vihtavuori 3N37	<<locked>>	69%	31995	87%	**62	100%
Vihtavuori 3N38	<<locked>>	80%	32677	88%	**27	95%
Vihtavuori N105	<<locked>>	86%	32416	88%	**57	98%
Vihtavuori N320	<<locked>>	63%	32097	87%	**07	100%
Vihtavuori N32C Tin Star	<<locked>>	86%	32053	87%	**25	100%
Vihtavuori N330	<<locked>>	65%	32996	89%	**73	100%
Vihtavuori N340	<<locked>>	68%	32967	89%	**12	100%
Vihtavuori N350	<<locked>>	73%	33272	90%	**72	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AP 100	<<locked>>	61%	17202	47%	**37	90%
ADI APS 350	<<locked>>	61%	30516	83%	**63	100%
ADI APS 450	<<locked>>	61%	29196	79%	**70	100%
ADI AS 30	<<locked>>	61%	28021	76%	**93	100%
ADI AS 50N	<<locked>>	61%	30922	84%	**88	100%
Accurate No. 2	<<locked>>	61%	29298	79%	**57	100%
[Accurate No. 7]*	<<locked>>	61%	27296	74%	**26	88%
[Accurate No. 9]*	<<locked>>	66%	24874	67%	**76	81%
Accurate Solo 1000	<<locked>>	61%	28921	78%	**45	100%
Accurate Solo 1250	<<locked>>	61%	26092	71%	**55	100%
[Accurate TCM]*	<<locked>>	63%	22960	62%	**24	80%
[Alliant 2400]*	<<locked>>	79%	29428	80%	**81	80%
[Alliant BLUE DOT]*	<<locked>>	68%	20131	54%	**48	81%
Alliant POWER PISTOL	<<locked>>	61%	25817	70%	**93	95%
Alliant UNIQUE	<<locked>>	61%	25875	70%	**14	100%
Baschieri & Pellagri 100	<<locked>>	61%	28631	77%	**42	100%
Hodgdon Clays	<<locked>>	61%	31111	84%	**89	100%
[Hodgdon LilGun]*	<<locked>>	93%	30182	82%	**67	81%
Hodgdon Universal	<<locked>>	61%	30226	82%	**34	100%
Hodgdon TrailBoss	<<locked>>	62%	8615	23%	**0	100%
[Lovex D037.1]*	<<locked>>	61%	27296	74%	**26	88%
[Lovex D037.2]*	<<locked>>	65%	24279	66%	**60	80%
Lovex S020	<<locked>>	61%	30574	83%	**60	100%
Maxam CSB 1	<<locked>>	61%	24076	65%	**12	100%
Maxam CSB 2	<<locked>>	61%	26658	72%	**62	100%
Maxam CSB 3	<<locked>>	61%	26963	73%	**35	100%
Maxam CSB 4	<<locked>>	61%	28877	78%	**45	100%
[Ramshot Enforcer]*	<<locked>>	79%	27963	76%	**58	81%
ReloadSwiss RS 14	<<locked>>	61%	7658	21%	**3	100%
ReloadSwiss RS 20	<<locked>>	61%	25092	68%	**01	100%
[ReloadSwiss RS 24]*	<<locked>>	61%	23206	63%	**34	88%
Rottweil P 806	<<locked>>	61%	19798	54%	**55	96%
SNPE Vectan A0	<<locked>>	61%	24323	66%	**55	100%
SNPE Vectan BA 9	<<locked>>	61%	28950	78%	**01	100%
SNPE Vectan BA7 1/2	<<locked>>	61%	20798	56%	**19	98%
SNPE Vectan BA9 1/2	<<locked>>	61%	28079	76%	**94	100%
[Shooters World Heavy Pistol]*	<<locked>>	65%	24279	66%	**60	80%
[Shooters World Major Pistol]*	<<locked>>	61%	27296	74%	**26	88%
Somchem MP200	<<locked>>	61%	29921	81%	**83	100%
Somchem MS200	<<locked>>	61%	26905	73%	**04	100%
Vihtavuori 3N37	<<locked>>	61%	24714	67%	**17	99%
[Vihtavuori 3N38]*	<<locked>>	61%	17042	46%	**47	82%
[Vihtavuori N105]*	<<locked>>	63%	14025	38%	**98	82%
Vihtavuori N320	<<locked>>	61%	30182	82%	**71	100%
Vihtavuori N32C Tin Star	<<locked>>	61%	17695	48%	**86	100%
Vihtavuori N330	<<locked>>	61%	29414	80%	**17	100%
Vihtavuori N340	<<locked>>	61%	26295	71%	**04	100%
Vihtavuori N350	<<locked>>	61%	22800	62%	**81	99%

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