Load data for .357 Maximum + .356 | 123gr | LOS HP

Recommended Powder(s): Alliant POWER PISTOL, Rottweil P 806

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.356 \| 123gr \| LOS HP
Bullet Weight:	123gr \| 8.0g
Bullet Diameter:	0.356" \| 9.04mm
Bullet Length:	0.550" \| 14.0mm
Caliber:	.357 Maximum load data
Case Length (l3):	1.600" \| 40.6mm
Cartridge Length (C.O.L.):	1.960" \| 49.8mm
Seated Depth:	0.190" \| 4.8mm
Shank Seated Depth:	0.190" \| 4.8mm
Case Capacity:	33.6 Grains of Water \| 2.18 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	44962 psi \| 3100 bar
LID:	LID_B3510_C515
Last updated:	2025-01-01

Load data for 108 loads in caliber .357 Maximum with .356 | 123gr | LOS HP bullet and 54 powders such as Alliant POWER PISTOL, Rottweil P 806. 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>>	87%	39610	88%	**80	100%
ADI APS 350	<<locked>>	70%	38972	87%	**62	100%
ADI APS 450	<<locked>>	72%	39653	88%	**07	100%
ADI AS 30	<<locked>>	72%	39755	88%	**37	100%
ADI AS 50N	<<locked>>	67%	39073	87%	**80	100%
[Accurate 4100]*	<<locked>>	87%	39305	87%	**99	83%
Accurate No. 2	<<locked>>	67%	38421	85%	**68	100%
Accurate No. 7	<<locked>>	66%	39218	87%	**99	94%
Accurate No. 9	<<locked>>	75%	40408	90%	**16	90%
Accurate Solo 1000	<<locked>>	71%	40306	90%	**83	100%
Accurate Solo 1250	<<locked>>	73%	39073	87%	**22	100%
Accurate TCM	<<locked>>	74%	39392	88%	**06	91%
[Alliant 2400]*	<<locked>>	84%	40277	90%	**52	87%
Alliant BLUE DOT	<<locked>>	87%	39813	89%	**19	94%
Alliant BULLSEYE	<<locked>>	65%	40219	89%	**17	100%
Alliant POWER PISTOL 👍	<<locked>>	71%	39494	88%	**03	99%
Alliant UNIQUE	<<locked>>	72%	39349	88%	**01	100%
Baschieri & Pellagri 100	<<locked>>	71%	40118	89%	**83	100%
Hodgdon Clays	<<locked>>	70%	39958	89%	**88	100%
[Hodgdon LilGun]*	<<locked>>	94%	39798	89%	**01	87%
Hodgdon Universal	<<locked>>	68%	40451	90%	**52	100%
Hodgdon CFE Pistol	<<locked>>	69%	40059	89%	**35	100%
Hodgdon TrailBoss	<<locked>>	95%	20262	45%	**25	100%
Lovex D037.1	<<locked>>	66%	39218	87%	**99	94%
Lovex D037.2	<<locked>>	74%	40408	90%	**16	90%
Lovex S020	<<locked>>	66%	39987	89%	**62	100%
Maxam CSB 1	<<locked>>	76%	39813	89%	**19	100%
Maxam CSB 2	<<locked>>	72%	40437	90%	**16	100%
Maxam CSB 3	<<locked>>	72%	39073	87%	**86	100%
Maxam CSB 4	<<locked>>	71%	40219	89%	**86	100%
Maxam CSB 5	<<locked>>	67%	39842	89%	**27	100%
[Ramshot Enforcer]*	<<locked>>	84%	38870	86%	**09	87%
ReloadSwiss RS 12	<<locked>>	62%	40030	89%	**96	100%
ReloadSwiss RS 14	<<locked>>	95%	19232	43%	**38	100%
ReloadSwiss RS 20	<<locked>>	73%	39436	88%	**85	100%
ReloadSwiss RS 24	<<locked>>	73%	39262	87%	**03	96%
Rottweil P 806 👍	<<locked>>	75%	39784	88%	**93	100%
SNPE Vectan A0	<<locked>>	75%	39160	87%	**55	100%
SNPE Vectan BA 9	<<locked>>	69%	39813	89%	**29	100%
SNPE Vectan BA10	<<locked>>	67%	39639	88%	**07	100%
SNPE Vectan BA7 1/2	<<locked>>	80%	40205	89%	**27	100%
SNPE Vectan BA9 1/2	<<locked>>	70%	39987	89%	**39	100%
Shooters World Heavy Pistol	<<locked>>	74%	40408	90%	**16	90%
Shooters World Major Pistol	<<locked>>	66%	39218	87%	**99	94%
Somchem MP200	<<locked>>	67%	39958	89%	**01	100%
Somchem MS200	<<locked>>	72%	40132	89%	**85	100%
Vihtavuori 3N37	<<locked>>	73%	40277	90%	**50	100%
Vihtavuori 3N38	<<locked>>	83%	39827	89%	**90	97%
Vihtavuori N105	<<locked>>	88%	39740	88%	**39	99%
Vihtavuori N320	<<locked>>	67%	39798	89%	**76	100%
Vihtavuori N32C Tin Star	<<locked>>	93%	40350	90%	**01	100%
Vihtavuori N330	<<locked>>	67%	38711	86%	**26	100%
Vihtavuori N340	<<locked>>	72%	40176	89%	**81	100%
Vihtavuori N350	<<locked>>	76%	39972	89%	**34	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AP 100	<<locked>>	61%	20044	45%	**76	92%
ADI APS 350	<<locked>>	61%	31459	70%	**57	100%
ADI APS 450	<<locked>>	61%	30864	69%	**80	100%
ADI AS 30	<<locked>>	61%	30661	68%	**16	100%
ADI AS 50N	<<locked>>	61%	33634	75%	**01	100%
[Accurate 4100]*	<<locked>>	83%	35056	78%	**34	81%
Accurate No. 2	<<locked>>	61%	32561	72%	**80	100%
Accurate No. 7	<<locked>>	61%	32010	71%	**78	91%
[Accurate No. 9]*	<<locked>>	62%	25222	56%	**27	80%
Accurate Solo 1000	<<locked>>	61%	31038	69%	**55	100%
Accurate Solo 1250	<<locked>>	61%	28732	64%	**71	100%
[Accurate TCM]*	<<locked>>	61%	24323	54%	**04	81%
[Alliant 2400]*	<<locked>>	75%	29530	66%	**35	80%
[Alliant BLUE DOT]*	<<locked>>	63%	19972	44%	**99	81%
Alliant BULLSEYE	<<locked>>	61%	36477	81%	**52	100%
Alliant POWER PISTOL	<<locked>>	61%	29051	65%	**12	96%
Alliant UNIQUE	<<locked>>	61%	29501	66%	**50	100%
Baschieri & Pellagri 100	<<locked>>	61%	31154	69%	**52	100%
Hodgdon Clays	<<locked>>	61%	32155	72%	**80	100%
[Hodgdon LilGun]*	<<locked>>	88%	31038	69%	**37	81%
Hodgdon Universal	<<locked>>	61%	33257	74%	**44	100%
Hodgdon CFE Pistol	<<locked>>	61%	31908	71%	**21	100%
Hodgdon TrailBoss	<<locked>>	60%	10501	23%	**3	100%
Lovex D037.1	<<locked>>	61%	32010	71%	**78	91%
[Lovex D037.2]*	<<locked>>	61%	25222	56%	**27	80%
Lovex S020	<<locked>>	61%	34229	76%	**90	100%
Maxam CSB 1	<<locked>>	61%	26687	59%	**32	100%
Maxam CSB 2	<<locked>>	61%	30052	67%	**71	100%
Maxam CSB 3	<<locked>>	61%	30298	67%	**68	100%
Maxam CSB 4	<<locked>>	61%	31270	70%	**55	100%
Maxam CSB 5	<<locked>>	61%	34084	76%	**48	100%
[Ramshot Enforcer]*	<<locked>>	74%	28529	63%	**19	80%
ReloadSwiss RS 12	<<locked>>	61%	38058	85%	**80	100%
ReloadSwiss RS 14	<<locked>>	61%	10196	23%	**6	100%
ReloadSwiss RS 20	<<locked>>	61%	27978	62%	**14	100%
ReloadSwiss RS 24	<<locked>>	61%	26818	60%	**63	90%
Rottweil P 806	<<locked>>	61%	24569	55%	**17	98%
SNPE Vectan A0	<<locked>>	61%	26629	59%	**65	100%
SNPE Vectan BA 9	<<locked>>	61%	31763	71%	**21	100%
SNPE Vectan BA10	<<locked>>	61%	34272	76%	**29	100%
SNPE Vectan BA7 1/2	<<locked>>	61%	23612	53%	**39	99%
SNPE Vectan BA9 1/2	<<locked>>	61%	31473	70%	**17	100%
[Shooters World Heavy Pistol]*	<<locked>>	61%	25222	56%	**27	80%
Shooters World Major Pistol	<<locked>>	61%	32010	71%	**78	91%
Somchem MP200	<<locked>>	61%	33272	74%	**06	100%
Somchem MS200	<<locked>>	61%	30226	67%	**27	100%
Vihtavuori 3N37	<<locked>>	61%	27963	62%	**53	100%
[Vihtavuori 3N38]*	<<locked>>	61%	20682	46%	**06	86%
[Vihtavuori N105]*	<<locked>>	61%	16520	37%	**40	86%
Vihtavuori N320	<<locked>>	61%	33939	75%	**01	100%
Vihtavuori N32C Tin Star	<<locked>>	61%	20044	45%	**99	100%
Vihtavuori N330	<<locked>>	61%	33054	74%	**40	100%
Vihtavuori N340	<<locked>>	61%	29631	66%	**30	100%
Vihtavuori N350	<<locked>>	61%	26121	58%	**17	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