Load data for .357 Maximum + .357 | 158gr | LOS SWC

Recommended Powder(s): ADI AP 100, ReloadSwiss RS 24

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.357 \| 158gr \| LOS SWC
Bullet Weight:	158gr \| 10.2g
Bullet Diameter:	0.357" \| 9.07mm
Bullet Length:	0.681" \| 17.3mm
Caliber:	.357 Maximum load data
Case Length (l3):	1.600" \| 40.6mm
Cartridge Length (C.O.L.):	1.960" \| 49.8mm
Seated Depth:	0.321" \| 8.1mm
Shank Seated Depth:	0.321" \| 8.1mm
Case Capacity:	33.6 Grains of Water \| 2.18 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	44962 psi \| 3100 bar
LID:	LID_B3514_C515
Last updated:	2025-01-01

Load data for 112 loads in caliber .357 Maximum with .357 | 158gr | LOS SWC bullet and 56 powders such as ADI AP 100, ReloadSwiss RS 24. 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%	43149	96%	**90	100%
ADI AP 70N	<<locked>>	63%	44266	98%	**68	100%
ADI AS 30	<<locked>>	74%	42801	95%	**63	100%
ADI AS 50N	<<locked>>	70%	43976	98%	**16	100%
Accurate 4100	<<locked>>	88%	44396	99%	**91	90%
Accurate No. 2	<<locked>>	69%	44324	99%	**07	100%
Accurate No. 7	<<locked>>	67%	43279	96%	**65	98%
Accurate No. 9	<<locked>>	75%	43468	97%	**68	95%
Accurate Solo 1000	<<locked>>	72%	42670	95%	**96	100%
Accurate Solo 1250	<<locked>>	75%	43047	96%	**42	100%
Accurate TCM	<<locked>>	75%	43598	97%	**58	96%
Alliant 2400	<<locked>>	84%	43642	97%	**91	92%
Alliant BULLSEYE	<<locked>>	65%	43105	96%	**14	100%
Alliant POWER PISTOL	<<locked>>	73%	44541	99%	**58	100%
Alliant UNIQUE	<<locked>>	73%	43062	96%	**21	100%
Baschieri & Pellagri 100	<<locked>>	72%	43729	97%	**02	100%
Hodgdon Clays	<<locked>>	74%	44005	98%	**30	100%
[Hodgdon H110]*	<<locked>>	93%	44092	98%	**14	86%
Hodgdon LilGun	<<locked>>	94%	43772	97%	**54	93%
Hodgdon Universal	<<locked>>	70%	44266	98%	**68	100%
Hodgdon TrailBoss	<<locked>>	95%	21640	48%	**4	100%
Lovex D037.1	<<locked>>	67%	43279	96%	**65	98%
Lovex D037.2	<<locked>>	75%	44483	99%	**81	95%
Lovex S011	<<locked>>	63%	44208	98%	**29	100%
Lovex S020	<<locked>>	67%	43714	97%	**81	100%
Maxam CSB 1	<<locked>>	79%	43947	98%	**52	100%
Maxam CSB 2	<<locked>>	74%	44846	100%	**52	100%
Maxam CSB 3	<<locked>>	75%	44338	99%	**29	100%
Maxam CSB 4	<<locked>>	73%	44295	99%	**09	100%
Maxam CSB 5	<<locked>>	70%	43656	97%	**70	100%
Ramshot Enforcer	<<locked>>	84%	43569	97%	**81	93%
ReloadSwiss RS 12	<<locked>>	65%	44570	99%	**35	100%
ReloadSwiss RS 14	<<locked>>	96%	20610	46%	**7	100%
ReloadSwiss RS 20	<<locked>>	74%	43729	97%	**04	100%
ReloadSwiss RS 24 👍	<<locked>>	74%	44005	98%	**62	99%
Rottweil P 806	<<locked>>	76%	43656	97%	**16	100%
SNPE Vectan A0	<<locked>>	78%	43830	97%	**88	100%
SNPE Vectan BA 9	<<locked>>	72%	44512	99%	**65	100%
SNPE Vectan BA10	<<locked>>	70%	43424	97%	**40	100%
[SNPE Vectan BA6 1/2]*	<<locked>>	96%	27151	60%	**29	87%
SNPE Vectan BA7 1/2	<<locked>>	81%	43294	96%	**40	100%
SNPE Vectan BA9 1/2	<<locked>>	71%	43033	96%	**52	100%
Shooters World Heavy Pistol	<<locked>>	75%	44483	99%	**81	95%
Shooters World Major Pistol	<<locked>>	67%	43279	96%	**65	98%
Somchem MP200	<<locked>>	68%	43192	96%	**11	100%
Somchem MS200	<<locked>>	73%	43990	98%	**04	100%
Vihtavuori 3N37	<<locked>>	73%	43236	96%	**50	100%
Vihtavuori 3N38	<<locked>>	84%	44353	99%	**35	100%
Vihtavuori N105	<<locked>>	88%	44309	99%	**65	100%
[Vihtavuori N110]*	<<locked>>	97%	34882	78%	**83	89%
Vihtavuori N320	<<locked>>	68%	42786	95%	**99	100%
Vihtavuori N32C Tin Star	<<locked>>	95%	43163	96%	**34	100%
Vihtavuori N330	<<locked>>	69%	43845	98%	**58	100%
Vihtavuori N340	<<locked>>	73%	44106	98%	**04	100%
Vihtavuori N350	<<locked>>	78%	44860	100%	**67	100%
[Winchester 296]*	<<locked>>	93%	44295	99%	**37	82%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AP 100	<<locked>>	61%	21219	47%	**42	96%
ADI AP 70N	<<locked>>	61%	41945	93%	**39	100%
ADI AS 30	<<locked>>	61%	32213	72%	**42	100%
ADI AS 50N	<<locked>>	61%	35215	78%	**17	100%
[Accurate 4100]*	<<locked>>	74%	27717	62%	**25	80%
Accurate No. 2	<<locked>>	61%	34679	77%	**93	100%
Accurate No. 7	<<locked>>	61%	34795	77%	**44	96%
[Accurate No. 9]*	<<locked>>	61%	26818	60%	**93	86%
Accurate Solo 1000	<<locked>>	60%	32184	72%	**68	100%
Accurate Solo 1250	<<locked>>	62%	30603	68%	**94	100%
[Accurate TCM]*	<<locked>>	61%	26701	59%	**96	88%
[Alliant 2400]*	<<locked>>	65%	23496	52%	**43	80%
Alliant BULLSEYE	<<locked>>	61%	38609	86%	**58	100%
Alliant POWER PISTOL	<<locked>>	61%	31517	70%	**71	99%
Alliant UNIQUE	<<locked>>	61%	31285	70%	**73	100%
Baschieri & Pellagri 100	<<locked>>	62%	32837	73%	**81	100%
Hodgdon Clays	<<locked>>	60%	32793	73%	**02	100%
[Hodgdon H110]*	<<locked>>	86%	34345	76%	**57	81%
[Hodgdon LilGun]*	<<locked>>	79%	25338	56%	**42	81%
Hodgdon Universal	<<locked>>	61%	35940	80%	**76	100%
Hodgdon TrailBoss	<<locked>>	60%	11153	25%	**4	100%
Lovex D037.1	<<locked>>	61%	34795	77%	**44	96%
[Lovex D037.2]*	<<locked>>	61%	27441	61%	**06	87%
Lovex S011	<<locked>>	61%	41887	93%	**06	100%
Lovex S020	<<locked>>	61%	36825	82%	**99	100%
Maxam CSB 1	<<locked>>	61%	28297	63%	**65	100%
Maxam CSB 2	<<locked>>	61%	32155	72%	**07	100%
Maxam CSB 3	<<locked>>	62%	31908	71%	**88	100%
Maxam CSB 4	<<locked>>	62%	33547	75%	**88	100%
Maxam CSB 5	<<locked>>	60%	34853	78%	**65	100%
[Ramshot Enforcer]*	<<locked>>	66%	23482	52%	**53	81%
ReloadSwiss RS 12	<<locked>>	61%	40161	89%	**83	100%
ReloadSwiss RS 14	<<locked>>	61%	10820	24%	**4	100%
ReloadSwiss RS 20	<<locked>>	61%	29907	67%	**37	100%
ReloadSwiss RS 24	<<locked>>	61%	28805	64%	**32	95%
Rottweil P 806	<<locked>>	61%	27050	60%	**89	100%
SNPE Vectan A0	<<locked>>	61%	28805	64%	**07	100%
SNPE Vectan BA 9	<<locked>>	61%	32793	73%	**27	100%
SNPE Vectan BA10	<<locked>>	61%	35085	78%	**52	100%
[SNPE Vectan BA6 1/2]*	<<locked>>	85%	20088	45%	**65	80%
SNPE Vectan BA7 1/2	<<locked>>	61%	25222	56%	**91	100%
SNPE Vectan BA9 1/2	<<locked>>	61%	32953	73%	**34	100%
[Shooters World Heavy Pistol]*	<<locked>>	61%	27441	61%	**06	87%
Shooters World Major Pistol	<<locked>>	61%	34795	77%	**44	96%
Somchem MP200	<<locked>>	61%	35157	78%	**16	100%
Somchem MS200	<<locked>>	61%	31952	71%	**53	100%
Vihtavuori 3N37	<<locked>>	61%	30371	68%	**96	100%
Vihtavuori 3N38	<<locked>>	61%	22365	50%	**88	92%
Vihtavuori N105	<<locked>>	61%	18710	42%	**38	93%
[Vihtavuori N110]*	<<locked>>	84%	24033	53%	**76	81%
Vihtavuori N320	<<locked>>	62%	35752	80%	**20	100%
Vihtavuori N32C Tin Star	<<locked>>	61%	21089	47%	**8	100%
Vihtavuori N330	<<locked>>	61%	35056	78%	**60	100%
Vihtavuori N340	<<locked>>	61%	31589	70%	**50	100%
Vihtavuori N350	<<locked>>	61%	27949	62%	**47	100%
[Winchester 296]*	<<locked>>	90%	40654	90%	**72	80%

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