Load data for .357 Magnum + .355 | 154gr | Geco FMJ FLAT NOSE

Recommended Powder(s): ADI AP 100, SNPE Vectan BA7 1/2, Vihtavuori 3N37, Vihtavuori N350

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.355 \| 154gr \| Geco FMJ FLAT NOSE
Manufacturer SKU:	2318147
Bullet Weight:	154gr \| 10.0g
Bullet Diameter:	0.355" \| 9.02mm
Bullet Length:	0.679" \| 17.2mm
Caliber:	.357 Magnum load data
Case Length (l3):	1.290" \| 32.8mm
Cartridge Length (C.O.L.):	1.566" \| 39.8mm
Seated Depth:	0.403" \| 10.2mm
Shank Seated Depth:	0.403" \| 10.2mm
Case Capacity:	25.6 Grains of Water \| 1.66 cm³
Primer Size:	Small Pistol Magnum (SPM)
Max. allowed Pressure:	43511 psi \| 3000 bar
LID:	LID_B9007_C513
Last updated:	2025-08-05

Load data for 120 loads in caliber .357 Magnum with .355 | 154gr | Geco FMJ FLAT NOSE bullet and 60 powders such as ADI AP 100, SNPE Vectan BA7 1/2, Vihtavuori 3N37, Vihtavuori N350. 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>>	95%	35810	82%	**22	99%
ADI AP 70N	<<locked>>	67%	37246	86%	**17	100%
ADI APS 350	<<locked>>	74%	37507	86%	**60	100%
ADI APS 450	<<locked>>	74%	36289	83%	**76	100%
ADI AS 30	<<locked>>	77%	37608	86%	**25	100%
ADI AS 50N	<<locked>>	72%	36434	84%	**58	100%
Accurate No. 2	<<locked>>	75%	38130	88%	**53	100%
Accurate No. 7	<<locked>>	77%	38479	88%	**11	93%
[Accurate No. 9]*	<<locked>>	85%	38203	88%	**88	87%
Accurate Solo 1000	<<locked>>	76%	37246	86%	**55	100%
Accurate Solo 1250	<<locked>>	79%	36158	83%	**01	100%
[Accurate TCM]*	<<locked>>	86%	38653	89%	**94	89%
[Alliant 2400]*	<<locked>>	95%	36637	84%	**91	84%
Alliant BLUE DOT	<<locked>>	95%	34621	80%	**39	90%
Alliant BULLSEYE	<<locked>>	72%	37985	87%	**86	100%
Alliant POWER PISTOL	<<locked>>	80%	37710	87%	**85	99%
Alliant UNIQUE	<<locked>>	80%	37057	85%	**80	100%
Baschieri & Pellagri 100	<<locked>>	76%	36564	84%	**48	100%
Hodgdon Clays	<<locked>>	74%	38421	88%	**76	100%
Hodgdon HS-6	<<locked>>	65%	36651	84%	**09	100%
Hodgdon Longshot	<<locked>>	63%	37695	87%	**16	100%
Hodgdon Universal	<<locked>>	74%	37246	86%	**17	100%
Hodgdon CFE Pistol	<<locked>>	76%	37130	85%	**17	100%
Hodgdon TrailBoss	<<locked>>	93%	15185	35%	**0	100%
Lovex D037.1	<<locked>>	77%	38479	88%	**11	93%
[Lovex D037.2]*	<<locked>>	83%	36985	85%	**78	87%
Lovex S011	<<locked>>	67%	38319	88%	**91	100%
Lovex S020	<<locked>>	73%	37376	86%	**40	100%
Maxam CSB 1	<<locked>>	84%	37217	86%	**04	100%
Maxam CSB 2	<<locked>>	81%	38957	90%	**24	100%
Maxam CSB 3	<<locked>>	80%	38856	89%	**98	100%
Maxam CSB 4	<<locked>>	76%	37623	86%	**65	100%
Maxam CSB 5	<<locked>>	73%	38667	89%	**29	100%
[Ramshot Enforcer]*	<<locked>>	95%	35027	81%	**78	84%
Ramshot Silhouette	<<locked>>	66%	36477	84%	**70	100%
ReloadSwiss RS 12	<<locked>>	71%	38885	89%	**07	100%
ReloadSwiss RS 14	<<locked>>	91%	13605	31%	**7	100%
ReloadSwiss RS 20	<<locked>>	84%	39117	90%	**93	100%
ReloadSwiss RS 24	<<locked>>	83%	37840	87%	**85	95%
Rottweil P 801	<<locked>>	65%	36970	85%	**55	100%
Rottweil P 806	<<locked>>	87%	37594	86%	**01	100%
SNPE Vectan A0	<<locked>>	84%	37826	87%	**43	100%
SNPE Vectan BA 9	<<locked>>	76%	37768	87%	**17	100%
SNPE Vectan BA10	<<locked>>	69%	36274	83%	**76	100%
SNPE Vectan BA7 1/2 👍	<<locked>>	88%	37086	85%	**93	100%
SNPE Vectan BA9 1/2	<<locked>>	78%	39117	90%	**30	100%
[Shooters World Heavy Pistol]*	<<locked>>	83%	36985	85%	**78	87%
Shooters World Major Pistol	<<locked>>	77%	38479	88%	**11	93%
Somchem MP200	<<locked>>	73%	36332	83%	**66	100%
Somchem MS200	<<locked>>	78%	36143	83%	**40	100%
Somchem S221	<<locked>>	69%	37289	86%	**52	97%
Vihtavuori 3N37 👍	<<locked>>	81%	36927	85%	**12	100%
Vihtavuori 3N38	<<locked>>	95%	38899	89%	**85	96%
Vihtavuori N105	<<locked>>	96%	32198	74%	**48	97%
Vihtavuori N320	<<locked>>	75%	39146	90%	**84	100%
Vihtavuori N32C Tin Star	<<locked>>	95%	33997	78%	**63	100%
Vihtavuori N330	<<locked>>	74%	36637	84%	**14	100%
Vihtavuori N340	<<locked>>	78%	36318	83%	**40	100%
Vihtavuori N350 👍	<<locked>>	84%	37202	85%	**09	100%
Winchester 231	<<locked>>	64%	37724	87%	**01	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	61%	14446	33%	**2	86%
ADI AP 70N	<<locked>>	61%	31082	71%	**52	100%
ADI APS 350	<<locked>>	61%	27760	64%	**8	100%
ADI APS 450	<<locked>>	62%	27267	63%	**4	100%
ADI AS 30	<<locked>>	61%	25353	58%	**4	100%
ADI AS 50N	<<locked>>	61%	27543	63%	**53	100%
Accurate No. 2	<<locked>>	62%	25425	58%	**99	100%
[Accurate No. 7]*	<<locked>>	61%	21480	49%	**35	83%
[Accurate No. 9]*	<<locked>>	75%	27006	62%	**30	81%
Accurate Solo 1000	<<locked>>	60%	25251	58%	**10	100%
Accurate Solo 1250	<<locked>>	61%	22176	51%	**20	100%
[Accurate TCM]*	<<locked>>	71%	23598	54%	**61	80%
[Alliant 2400]*	<<locked>>	91%	31749	73%	**25	81%
[Alliant BLUE DOT]*	<<locked>>	77%	21016	48%	**09	81%
Alliant BULLSEYE	<<locked>>	62%	28979	67%	**71	100%
Alliant POWER PISTOL	<<locked>>	61%	21306	49%	**15	92%
Alliant UNIQUE	<<locked>>	60%	21698	50%	**60	100%
Baschieri & Pellagri 100	<<locked>>	61%	24743	57%	**14	100%
Hodgdon Clays	<<locked>>	61%	28094	65%	**5	100%
Hodgdon HS-6	<<locked>>	61%	31488	72%	**43	100%
Hodgdon Longshot	<<locked>>	61%	34983	80%	**86	100%
Hodgdon Universal	<<locked>>	60%	25730	59%	**83	100%
Hodgdon CFE Pistol	<<locked>>	61%	24221	56%	**60	100%
Hodgdon TrailBoss	<<locked>>	67%	9282	21%	**2	100%
[Lovex D037.1]*	<<locked>>	61%	21480	49%	**35	83%
[Lovex D037.2]*	<<locked>>	75%	27818	64%	**40	82%
Lovex S011	<<locked>>	60%	31821	73%	**22	100%
Lovex S020	<<locked>>	60%	25498	59%	**99	100%
Maxam CSB 1	<<locked>>	62%	21263	49%	**01	100%
Maxam CSB 2	<<locked>>	60%	22002	51%	**17	100%
Maxam CSB 3	<<locked>>	62%	24178	56%	**24	100%
Maxam CSB 4	<<locked>>	61%	25454	59%	**20	100%
Maxam CSB 5	<<locked>>	61%	28805	66%	**20	100%
[Ramshot Enforcer]*	<<locked>>	91%	30356	70%	**12	81%
Ramshot Silhouette	<<locked>>	61%	30951	71%	**07	100%
ReloadSwiss RS 12	<<locked>>	61%	29689	68%	**06	100%
ReloadSwiss RS 14	<<locked>>	66%	8485	20%	**6	100%
ReloadSwiss RS 20	<<locked>>	61%	20552	47%	**53	100%
[ReloadSwiss RS 24]*	<<locked>>	61%	18985	44%	**63	84%
Rottweil P 801	<<locked>>	61%	33866	78%	**22	100%
Rottweil P 806	<<locked>>	61%	15461	36%	**27	93%
SNPE Vectan A0	<<locked>>	60%	20421	47%	**10	100%
SNPE Vectan BA 9	<<locked>>	61%	24598	57%	**56	100%
SNPE Vectan BA10	<<locked>>	62%	30052	69%	**10	100%
SNPE Vectan BA7 1/2	<<locked>>	62%	17999	41%	**4	95%
SNPE Vectan BA9 1/2	<<locked>>	62%	25048	58%	**66	100%
[Shooters World Heavy Pistol]*	<<locked>>	75%	27818	64%	**40	82%
[Shooters World Major Pistol]*	<<locked>>	61%	21480	49%	**35	83%
Somchem MP200	<<locked>>	61%	25933	60%	**29	100%
Somchem MS200	<<locked>>	61%	23250	53%	**63	100%
Somchem S221	<<locked>>	61%	28094	65%	**24	94%
Vihtavuori 3N37	<<locked>>	61%	20581	47%	**73	98%
[Vihtavuori 3N38]*	<<locked>>	63%	15214	35%	**1	80%
[Vihtavuori N105]*	<<locked>>	66%	12734	29%	**2	80%
Vihtavuori N320	<<locked>>	61%	26223	60%	**43	100%
Vihtavuori N32C Tin Star	<<locked>>	60%	15476	36%	**0	100%
Vihtavuori N330	<<locked>>	61%	24700	57%	**73	100%
Vihtavuori N340	<<locked>>	62%	22858	53%	**63	100%
Vihtavuori N350	<<locked>>	61%	18304	42%	**20	97%
Winchester 231	<<locked>>	61%	34461	79%	**71	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