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

Recommended Powder(s): Alliant POWER PISTOL, Rottweil P 806, SNPE Vectan BA7 1/2, Somchem S221, Vihtavuori N105

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 Maximum load data
Case Length (l3):	1.600" \| 40.6mm
Cartridge Length (C.O.L.):	1.960" \| 49.8mm
Seated Depth:	0.229" \| 5.8mm
Shank Seated Depth:	0.209" \| 5.3mm
Case Capacity:	33.6 Grains of Water \| 2.18 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	44962 psi \| 3100 bar
LID:	LID_B7446_C515
Last updated:	2025-01-01

Load data for 112 loads in caliber .357 Maximum with .356 | 125gr | H&N HP HS bullet and 56 powders such as Alliant POWER PISTOL, Rottweil P 806, SNPE Vectan BA7 1/2, Somchem S221, Vihtavuori N105. 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>>	88%	39088	87%	**50	100%
ADI AP 70N	<<locked>>	63%	39943	89%	**32	100%
ADI APS 350	<<locked>>	71%	38595	86%	**45	100%
ADI APS 450	<<locked>>	72%	38537	86%	**71	100%
ADI AS 30	<<locked>>	73%	38972	87%	**21	100%
ADI AS 50N	<<locked>>	69%	39059	87%	**73	100%
[Accurate 4100]*	<<locked>>	90%	40059	89%	**19	84%
Accurate No. 2	<<locked>>	68%	38943	87%	**52	100%
Accurate No. 7	<<locked>>	69%	39769	88%	**09	95%
[Accurate No. 9]*	<<locked>>	77%	39755	88%	**93	89%
Accurate Solo 1000	<<locked>>	72%	39827	89%	**70	100%
Accurate Solo 1250	<<locked>>	75%	39436	88%	**19	100%
Accurate TCM	<<locked>>	77%	40321	90%	**22	92%
[Alliant 2400]*	<<locked>>	86%	39218	87%	**22	87%
Alliant BLUE DOT	<<locked>>	89%	39117	87%	**93	94%
Alliant BULLSEYE	<<locked>>	65%	38653	86%	**72	100%
Alliant POWER PISTOL 👍	<<locked>>	73%	39798	89%	**03	100%
Alliant UNIQUE	<<locked>>	74%	39276	87%	**94	100%
Baschieri & Pellagri 100	<<locked>>	71%	38421	85%	**44	100%
Hodgdon Clays	<<locked>>	71%	39610	88%	**71	100%
[Hodgdon LilGun]*	<<locked>>	97%	38653	86%	**52	86%
Hodgdon Universal	<<locked>>	69%	38972	87%	**19	100%
Hodgdon TrailBoss	<<locked>>	96%	18637	41%	**99	100%
Lovex D037.1	<<locked>>	69%	39769	88%	**09	95%
[Lovex D037.2]*	<<locked>>	75%	38928	87%	**86	89%
Lovex S011	<<locked>>	63%	40350	90%	**99	100%
Lovex S020	<<locked>>	68%	39827	89%	**55	100%
Maxam CSB 1	<<locked>>	79%	40089	89%	**12	100%
Maxam CSB 2	<<locked>>	75%	40001	89%	**09	100%
Maxam CSB 3	<<locked>>	74%	39218	87%	**83	100%
Maxam CSB 4	<<locked>>	72%	39682	88%	**70	100%
Maxam CSB 5	<<locked>>	69%	40234	89%	**24	100%
[Ramshot Enforcer]*	<<locked>>	87%	39552	88%	**29	88%
ReloadSwiss RS 12	<<locked>>	64%	39102	87%	**83	100%
ReloadSwiss RS 14	<<locked>>	96%	17158	38%	**96	100%
ReloadSwiss RS 20	<<locked>>	75%	39508	88%	**81	100%
ReloadSwiss RS 24	<<locked>>	75%	39276	87%	**03	97%
Rottweil P 806 👍	<<locked>>	78%	39117	87%	**70	100%
SNPE Vectan A0	<<locked>>	77%	39508	88%	**52	100%
SNPE Vectan BA 9	<<locked>>	72%	40422	90%	**26	100%
SNPE Vectan BA10	<<locked>>	67%	38522	86%	**71	100%
SNPE Vectan BA7 1/2 👍	<<locked>>	82%	40393	90%	**27	100%
SNPE Vectan BA9 1/2	<<locked>>	72%	40089	89%	**35	100%
[Shooters World Heavy Pistol]*	<<locked>>	75%	38928	87%	**86	89%
Shooters World Major Pistol	<<locked>>	69%	39769	88%	**09	95%
Somchem MP200	<<locked>>	69%	39900	89%	**98	100%
Somchem MS200	<<locked>>	72%	38537	86%	**42	100%
Somchem S221 👍	<<locked>>	64%	39711	88%	**83	99%
Vihtavuori 3N37	<<locked>>	75%	40379	90%	**47	100%
Vihtavuori 3N38	<<locked>>	84%	38870	86%	**80	97%
Vihtavuori N105 👍	<<locked>>	90%	39668	88%	**22	99%
Vihtavuori N320	<<locked>>	69%	39856	89%	**70	100%
Vihtavuori N32C Tin Star	<<locked>>	95%	39189	87%	**85	100%
Vihtavuori N330	<<locked>>	69%	38638	86%	**06	100%
Vihtavuori N340	<<locked>>	74%	40205	89%	**75	100%
Vihtavuori N350	<<locked>>	77%	39262	87%	**24	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AP 100	<<locked>>	61%	17724	39%	**11	90%
ADI AP 70N	<<locked>>	61%	38043	85%	**19	100%
ADI APS 350	<<locked>>	61%	30893	69%	**43	100%
ADI APS 450	<<locked>>	61%	29486	66%	**47	100%
ADI AS 30	<<locked>>	61%	29385	65%	**89	100%
ADI AS 50N	<<locked>>	61%	31444	70%	**58	100%
[Accurate 4100]*	<<locked>>	86%	35447	79%	**27	81%
Accurate No. 2	<<locked>>	61%	30850	69%	**44	100%
Accurate No. 7	<<locked>>	61%	29196	65%	**29	90%
[Accurate No. 9]*	<<locked>>	64%	24860	55%	**24	80%
Accurate Solo 1000	<<locked>>	61%	30356	68%	**35	100%
Accurate Solo 1250	<<locked>>	61%	26687	59%	**25	100%
[Accurate TCM]*	<<locked>>	63%	24033	53%	**01	81%
[Alliant 2400]*	<<locked>>	77%	29312	65%	**35	80%
[Alliant BLUE DOT]*	<<locked>>	67%	20146	45%	**02	81%
Alliant BULLSEYE	<<locked>>	61%	34722	77%	**19	100%
Alliant POWER PISTOL	<<locked>>	61%	27108	60%	**67	96%
Alliant UNIQUE	<<locked>>	61%	27180	60%	**98	100%
Baschieri & Pellagri 100	<<locked>>	61%	29066	65%	**25	100%
Hodgdon Clays	<<locked>>	61%	31604	70%	**60	100%
[Hodgdon LilGun]*	<<locked>>	91%	31038	69%	**27	81%
Hodgdon Universal	<<locked>>	61%	31662	70%	**17	100%
Hodgdon TrailBoss	<<locked>>	60%	8644	19%	**7	100%
Lovex D037.1	<<locked>>	61%	29196	65%	**29	90%
[Lovex D037.2]*	<<locked>>	64%	25469	57%	**37	81%
Lovex S011	<<locked>>	61%	38290	85%	**76	100%
Lovex S020	<<locked>>	61%	32155	72%	**53	100%
Maxam CSB 1	<<locked>>	61%	24656	55%	**86	100%
Maxam CSB 2	<<locked>>	61%	27383	61%	**32	100%
Maxam CSB 3	<<locked>>	61%	28355	63%	**29	100%
Maxam CSB 4	<<locked>>	61%	30197	67%	**35	100%
Maxam CSB 5	<<locked>>	60%	32314	72%	**22	100%
[Ramshot Enforcer]*	<<locked>>	77%	28137	63%	**19	81%
ReloadSwiss RS 12	<<locked>>	61%	35389	79%	**37	100%
ReloadSwiss RS 14	<<locked>>	61%	8079	18%	**3	100%
ReloadSwiss RS 20	<<locked>>	61%	25831	57%	**68	100%
[ReloadSwiss RS 24]*	<<locked>>	61%	24889	55%	**17	89%
Rottweil P 806	<<locked>>	61%	21016	47%	**35	96%
SNPE Vectan A0	<<locked>>	61%	24932	55%	**25	100%
SNPE Vectan BA 9	<<locked>>	61%	30168	67%	**91	100%
SNPE Vectan BA10	<<locked>>	61%	33011	73%	**02	100%
SNPE Vectan BA7 1/2	<<locked>>	61%	21814	49%	**02	98%
SNPE Vectan BA9 1/2	<<locked>>	61%	29472	66%	**78	100%
[Shooters World Heavy Pistol]*	<<locked>>	64%	25469	57%	**37	81%
Shooters World Major Pistol	<<locked>>	61%	29196	65%	**29	90%
Somchem MP200	<<locked>>	61%	31241	69%	**70	100%
Somchem MS200	<<locked>>	61%	28311	63%	**88	100%
Somchem S221	<<locked>>	61%	36535	81%	**21	98%
Vihtavuori 3N37	<<locked>>	61%	26020	58%	**11	100%
[Vihtavuori 3N38]*	<<locked>>	61%	18043	40%	**34	83%
[Vihtavuori N105]*	<<locked>>	61%	14170	32%	**55	81%
Vihtavuori N320	<<locked>>	61%	31720	71%	**62	100%
Vihtavuori N32C Tin Star	<<locked>>	61%	18289	41%	**73	100%
Vihtavuori N330	<<locked>>	61%	30893	69%	**01	100%
Vihtavuori N340	<<locked>>	61%	27731	62%	**88	100%
Vihtavuori N350	<<locked>>	61%	23351	52%	**45	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