Load data for .357 Maximum + .357 | 158gr | Geco FMJ FLAT NOSE

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

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.357 \| 158gr \| Geco FMJ FLAT NOSE
Manufacturer SKU:	2318155
Bullet Weight:	158gr \| 10.2g
Bullet Diameter:	0.357" \| 9.07mm
Bullet Length:	0.674" \| 17.1mm
Caliber:	.357 Maximum load data
Case Length (l3):	1.600" \| 40.6mm
Cartridge Length (C.O.L.):	1.960" \| 49.8mm
Seated Depth:	0.314" \| 8.0mm
Shank Seated Depth:	0.314" \| 8.0mm
Case Capacity:	33.6 Grains of Water \| 2.18 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	44962 psi \| 3100 bar
LID:	LID_B9008_C515
Last updated:	2025-01-01

Load data for 110 loads in caliber .357 Maximum with .357 | 158gr | Geco FMJ FLAT NOSE bullet and 55 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>>	84%	39349	88%	**57	100%
ADI APS 350	<<locked>>	70%	39102	87%	**68	100%
ADI APS 450	<<locked>>	71%	39711	88%	**07	100%
ADI AS 30	<<locked>>	71%	39987	89%	**34	100%
ADI AS 50N	<<locked>>	65%	38711	86%	**66	100%
[Accurate 4100]*	<<locked>>	84%	38798	86%	**09	87%
Accurate No. 2	<<locked>>	65%	38392	85%	**45	100%
Accurate No. 7	<<locked>>	65%	39523	88%	**06	97%
Accurate No. 9	<<locked>>	72%	38856	86%	**99	93%
Accurate Solo 1000	<<locked>>	68%	38827	86%	**53	100%
Accurate Solo 1250	<<locked>>	72%	40059	89%	**16	100%
Accurate TCM	<<locked>>	73%	39740	88%	**03	94%
Alliant 2400	<<locked>>	82%	39711	88%	**29	90%
Alliant BLUE DOT	<<locked>>	85%	40263	90%	**26	97%
Alliant BULLSEYE	<<locked>>	63%	39987	89%	**85	100%
Alliant POWER PISTOL	<<locked>>	69%	39682	88%	**90	100%
Alliant UNIQUE	<<locked>>	71%	40030	89%	**91	100%
Baschieri & Pellagri 100	<<locked>>	68%	38348	85%	**50	100%
Hodgdon Clays	<<locked>>	70%	39987	89%	**94	100%
[Hodgdon H110]*	<<locked>>	90%	39059	87%	**29	83%
Hodgdon LilGun	<<locked>>	92%	40263	90%	**08	91%
Hodgdon Universal	<<locked>>	65%	38986	87%	**19	100%
Hodgdon TrailBoss	<<locked>>	97%	21698	48%	**8	100%
Lovex D037.1	<<locked>>	65%	39523	88%	**06	97%
Lovex D037.2	<<locked>>	72%	39798	89%	**12	93%
Lovex S020	<<locked>>	65%	40292	90%	**48	100%
Maxam CSB 1	<<locked>>	74%	38899	87%	**96	100%
Maxam CSB 2	<<locked>>	70%	39407	88%	**93	100%
Maxam CSB 3	<<locked>>	70%	39088	87%	**80	100%
Maxam CSB 4	<<locked>>	68%	39044	87%	**60	100%
Maxam CSB 5	<<locked>>	66%	39653	88%	**24	100%
Ramshot Enforcer	<<locked>>	82%	39624	88%	**35	92%
ReloadSwiss RS 14	<<locked>>	95%	19870	44%	**1	100%
ReloadSwiss RS 20	<<locked>>	71%	39682	88%	**68	100%
ReloadSwiss RS 24 👍	<<locked>>	71%	39972	89%	**06	99%
Rottweil P 806	<<locked>>	73%	39581	88%	**67	100%
SNPE Vectan A0	<<locked>>	73%	39131	87%	**39	100%
SNPE Vectan BA 9	<<locked>>	67%	38696	86%	**02	100%
SNPE Vectan BA10	<<locked>>	65%	38609	86%	**98	100%
[SNPE Vectan BA6 1/2]*	<<locked>>	96%	26687	59%	**22	87%
SNPE Vectan BA7 1/2	<<locked>>	77%	39479	88%	**11	100%
SNPE Vectan BA9 1/2	<<locked>>	69%	40190	89%	**25	100%
Shooters World Heavy Pistol	<<locked>>	72%	39798	89%	**12	93%
Shooters World Major Pistol	<<locked>>	65%	39523	88%	**06	97%
Somchem MP200	<<locked>>	65%	39233	87%	**71	100%
Somchem MS200	<<locked>>	69%	38812	86%	**42	100%
Vihtavuori 3N37	<<locked>>	71%	40132	89%	**24	100%
Vihtavuori 3N38	<<locked>>	80%	39218	87%	**83	99%
Vihtavuori N105	<<locked>>	84%	38957	87%	**03	100%
[Vihtavuori N110]*	<<locked>>	96%	33939	75%	**73	89%
Vihtavuori N320	<<locked>>	66%	39581	88%	**66	100%
Vihtavuori N32C Tin Star	<<locked>>	90%	39363	88%	**98	100%
Vihtavuori N330	<<locked>>	65%	38566	86%	**02	100%
Vihtavuori N340	<<locked>>	69%	38841	86%	**52	100%
Vihtavuori N350	<<locked>>	73%	39827	89%	**21	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AP 100	<<locked>>	61%	21205	47%	**45	96%
ADI APS 350	<<locked>>	61%	32619	73%	**99	100%
ADI APS 450	<<locked>>	61%	31691	70%	**02	100%
ADI AS 30	<<locked>>	61%	31604	70%	**35	100%
ADI AS 50N	<<locked>>	60%	34519	77%	**17	100%
[Accurate 4100]*	<<locked>>	74%	27282	61%	**22	80%
Accurate No. 2	<<locked>>	61%	33939	75%	**93	100%
Accurate No. 7	<<locked>>	61%	34461	77%	**27	96%
[Accurate No. 9]*	<<locked>>	61%	25788	57%	**73	85%
Accurate Solo 1000	<<locked>>	61%	32590	72%	**75	100%
Accurate Solo 1250	<<locked>>	61%	29965	67%	**91	100%
[Accurate TCM]*	<<locked>>	61%	26455	59%	**83	87%
[Alliant 2400]*	<<locked>>	67%	24352	54%	**63	81%
[Alliant BLUE DOT]*	<<locked>>	61%	19812	44%	**35	85%
Alliant BULLSEYE	<<locked>>	61%	37753	84%	**58	100%
Alliant POWER PISTOL	<<locked>>	61%	30719	68%	**52	99%
Alliant UNIQUE	<<locked>>	61%	30429	68%	**57	100%
Baschieri & Pellagri 100	<<locked>>	61%	32227	72%	**81	100%
Hodgdon Clays	<<locked>>	61%	33460	74%	**12	100%
[Hodgdon H110]*	<<locked>>	86%	34664	77%	**63	81%
[Hodgdon LilGun]*	<<locked>>	80%	25208	56%	**42	81%
Hodgdon Universal	<<locked>>	61%	34983	78%	**63	100%
Hodgdon TrailBoss	<<locked>>	62%	11066	25%	**8	100%
Lovex D037.1	<<locked>>	61%	34461	77%	**27	96%
[Lovex D037.2]*	<<locked>>	61%	26542	59%	**93	86%
Lovex S020	<<locked>>	61%	36013	80%	**99	100%
Maxam CSB 1	<<locked>>	61%	27644	61%	**52	100%
Maxam CSB 2	<<locked>>	61%	31343	70%	**94	100%
Maxam CSB 3	<<locked>>	61%	31227	69%	**81	100%
Maxam CSB 4	<<locked>>	61%	32808	73%	**88	100%
Maxam CSB 5	<<locked>>	61%	35404	79%	**71	100%
[Ramshot Enforcer]*	<<locked>>	66%	23032	51%	**37	81%
ReloadSwiss RS 14	<<locked>>	61%	10211	23%	**8	100%
ReloadSwiss RS 20	<<locked>>	61%	30052	67%	**40	100%
ReloadSwiss RS 24	<<locked>>	61%	28689	64%	**25	95%
Rottweil P 806	<<locked>>	61%	26527	59%	**86	100%
SNPE Vectan A0	<<locked>>	61%	28253	63%	**98	100%
SNPE Vectan BA 9	<<locked>>	61%	33185	74%	**43	100%
SNPE Vectan BA10	<<locked>>	61%	34490	77%	**45	100%
[SNPE Vectan BA6 1/2]*	<<locked>>	87%	20595	46%	**91	81%
SNPE Vectan BA7 1/2	<<locked>>	61%	25150	56%	**01	100%
SNPE Vectan BA9 1/2	<<locked>>	60%	32271	72%	**34	100%
[Shooters World Heavy Pistol]*	<<locked>>	61%	26542	59%	**93	86%
Shooters World Major Pistol	<<locked>>	61%	34461	77%	**27	96%
Somchem MP200	<<locked>>	61%	35230	78%	**25	100%
Somchem MS200	<<locked>>	61%	31198	69%	**50	100%
Vihtavuori 3N37	<<locked>>	61%	29559	66%	**80	100%
Vihtavuori 3N38	<<locked>>	61%	21567	48%	**75	91%
Vihtavuori N105	<<locked>>	61%	17811	40%	**25	92%
[Vihtavuori N110]*	<<locked>>	85%	24120	54%	**83	81%
Vihtavuori N320	<<locked>>	61%	35114	78%	**14	100%
Vihtavuori N32C Tin Star	<<locked>>	61%	21118	47%	**1	100%
Vihtavuori N330	<<locked>>	61%	34360	76%	**60	100%
Vihtavuori N340	<<locked>>	61%	30850	69%	**47	100%
Vihtavuori N350	<<locked>>	61%	27180	60%	**43	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