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

Recommended Powder(s): Alliant UNIQUE, ReloadSwiss RS 20, Somchem MP200, Somchem MS200, Vihtavuori N340

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 SIG load data
Case Length (l3):	0.860" \| 21.8mm
Cartridge Length (C.O.L.):	1.123" \| 28.5mm
Seated Depth:	0.416" \| 10.6mm
Shank Seated Depth:	0.416" \| 10.6mm
Case Capacity:	19.5 Grains of Water \| 1.27 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	44237 psi \| 3050 bar
LID:	LID_B9007_C518
Last updated:	2025-01-01

Load data for 118 loads in caliber .357 SIG with .355 | 154gr | Geco FMJ FLAT NOSE bullet and 59 powders such as Alliant UNIQUE, ReloadSwiss RS 20, Somchem MP200, Somchem MS200, Vihtavuori N340. 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>>	96%	24192	55%	**20	89%
ADI AP 70N	<<locked>>	80%	37565	85%	**15	100%
ADI APS 350	<<locked>>	85%	38363	87%	**8	100%
ADI APS 450	<<locked>>	88%	39073	88%	**1	100%
ADI AS 30	<<locked>>	89%	36956	84%	**10	100%
ADI AS 50N	<<locked>>	88%	39450	89%	**79	100%
Accurate No. 2	<<locked>>	86%	37028	84%	**09	100%
Accurate No. 5	<<locked>>	73%	38493	87%	**11	97%
[Accurate No. 7]*	<<locked>>	92%	37869	86%	**47	86%
Accurate Solo 1000	<<locked>>	90%	38479	87%	**50	100%
Accurate Solo 1250	<<locked>>	95%	37521	85%	**99	100%
Alliant BULLSEYE	<<locked>>	86%	39131	88%	**75	100%
Alliant POWER PISTOL	<<locked>>	95%	36535	83%	**30	95%
Alliant UNIQUE 👍	<<locked>>	97%	37507	85%	**71	100%
Baschieri & Pellagri 100	<<locked>>	92%	39537	89%	**63	100%
Hodgdon Clays	<<locked>>	85%	38754	88%	**1	100%
Hodgdon HP38	<<locked>>	68%	38725	88%	**93	100%
Hodgdon HS-6	<<locked>>	80%	39073	88%	**04	99%
Hodgdon Longshot	<<locked>>	77%	39581	89%	**04	100%
Hodgdon TiteGroup	<<locked>>	63%	39233	89%	**50	100%
Hodgdon Universal	<<locked>>	89%	37565	85%	**15	100%
Hodgdon CFE Pistol	<<locked>>	93%	39262	89%	**29	100%
Lovex D036	<<locked>>	73%	38421	87%	**07	97%
[Lovex D037.1]*	<<locked>>	92%	37869	86%	**47	86%
Lovex S011	<<locked>>	79%	39407	89%	**79	100%
Lovex S020	<<locked>>	87%	37753	85%	**29	100%
Maxam CSB 1	<<locked>>	96%	34940	79%	**70	100%
Maxam CSB 2	<<locked>>	97%	37217	84%	**06	100%
Maxam CSB 3	<<locked>>	96%	39682	90%	**93	100%
Maxam CSB 4	<<locked>>	91%	38841	88%	**66	100%
Maxam CSB 5	<<locked>>	85%	37942	86%	**14	100%
Ramshot Silhouette	<<locked>>	80%	38638	87%	**78	100%
Ramshot True Blue	<<locked>>	74%	37913	86%	**81	99%
Ramshot Zip	<<locked>>	68%	37579	85%	**89	100%
ReloadSwiss RS 12	<<locked>>	85%	38392	87%	**06	100%
ReloadSwiss RS 14	<<locked>>	96%	10080	23%	**6	100%
ReloadSwiss RS 20 👍	<<locked>>	96%	34577	78%	**45	100%
[ReloadSwiss RS 24]*	<<locked>>	96%	34925	79%	**01	88%
Rottweil P 801	<<locked>>	79%	38406	87%	**70	100%
Rottweil P 806	<<locked>>	96%	25121	57%	**48	96%
SNPE Vectan A0	<<locked>>	95%	34461	78%	**89	100%
SNPE Vectan BA 9	<<locked>>	90%	38798	88%	**06	100%
SNPE Vectan BA10	<<locked>>	82%	39059	88%	**1	100%
SNPE Vectan BA7 1/2	<<locked>>	95%	29878	68%	**83	97%
SNPE Vectan BA9 1/2	<<locked>>	91%	37724	85%	**09	100%
Shooters World Auto Pistol	<<locked>>	73%	38421	87%	**07	97%
[Shooters World Major Pistol]*	<<locked>>	92%	37869	86%	**47	86%
Somchem MP200 👍	<<locked>>	90%	38856	88%	**71	100%
Somchem MS200 👍	<<locked>>	96%	39349	89%	**52	100%
Somchem S221	<<locked>>	85%	39334	89%	**27	93%
Vihtavuori 3N37	<<locked>>	95%	35172	80%	**75	99%
[Vihtavuori 3N38]*	<<locked>>	97%	24729	56%	**53	83%
Vihtavuori N310	<<locked>>	73%	38508	87%	**8	100%
Vihtavuori N320	<<locked>>	88%	37913	86%	**66	100%
Vihtavuori N32C Tin Star	<<locked>>	96%	24105	54%	**9	100%
Vihtavuori N330	<<locked>>	90%	37188	84%	**19	100%
Vihtavuori N340 👍	<<locked>>	94%	37710	85%	**38	100%
Vihtavuori N350	<<locked>>	96%	32677	74%	**38	99%
Winchester 231	<<locked>>	75%	37579	85%	**89	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	77%	15229	34%	**0	81%
ADI AP 70N	<<locked>>	62%	22713	51%	**1	100%
ADI APS 350	<<locked>>	62%	22669	51%	**4	100%
ADI APS 450	<<locked>>	60%	20508	46%	**7	100%
ADI AS 30	<<locked>>	61%	19087	43%	**4	100%
ADI AS 50N	<<locked>>	60%	19696	45%	**6	100%
Accurate No. 2	<<locked>>	61%	17434	39%	**6	95%
Accurate No. 5	<<locked>>	61%	24990	56%	**40	92%
[Accurate No. 7]*	<<locked>>	82%	26426	60%	**02	80%
Accurate Solo 1000	<<locked>>	60%	18739	42%	**7	100%
Accurate Solo 1250	<<locked>>	62%	15490	35%	**0	100%
Alliant BULLSEYE	<<locked>>	61%	20117	45%	**2	99%
[Alliant POWER PISTOL]*	<<locked>>	65%	15708	36%	**9	81%
Alliant UNIQUE	<<locked>>	60%	14692	33%	**7	96%
Baschieri & Pellagri 100	<<locked>>	62%	17840	40%	**7	100%
Hodgdon Clays	<<locked>>	62%	22931	52%	**7	100%
Hodgdon HP38	<<locked>>	62%	31459	71%	**24	100%
Hodgdon HS-6	<<locked>>	61%	21147	48%	**5	92%
Hodgdon Longshot	<<locked>>	60%	22539	51%	**4	95%
Hodgdon TiteGroup	<<locked>>	61%	36666	83%	**27	100%
Hodgdon Universal	<<locked>>	60%	17767	40%	**3	100%
Hodgdon CFE Pistol	<<locked>>	61%	16723	38%	**3	100%
Lovex D036	<<locked>>	61%	24947	56%	**37	92%
[Lovex D037.1]*	<<locked>>	82%	26426	60%	**02	80%
Lovex S011	<<locked>>	62%	24772	56%	**5	100%
Lovex S020	<<locked>>	61%	17216	39%	**6	99%
Maxam CSB 1	<<locked>>	62%	14953	34%	**4	100%
Maxam CSB 2	<<locked>>	60%	14170	32%	**0	100%
Maxam CSB 3	<<locked>>	61%	16679	38%	**3	100%
Maxam CSB 4	<<locked>>	62%	18898	43%	**6	100%
Maxam CSB 5	<<locked>>	61%	21118	48%	**0	100%
Ramshot Silhouette	<<locked>>	61%	21495	49%	**5	98%
Ramshot True Blue	<<locked>>	62%	24569	56%	**20	96%
Ramshot Zip	<<locked>>	61%	30487	69%	**24	100%
ReloadSwiss RS 12	<<locked>>	60%	19174	43%	**2	100%
ReloadSwiss RS 14	<<locked>>	91%	9268	21%	**3	99%
ReloadSwiss RS 20	<<locked>>	60%	13024	29%	**4	96%
[ReloadSwiss RS 24]*	<<locked>>	82%	23003	52%	**30	81%
Rottweil P 801	<<locked>>	60%	22640	51%	**2	100%
[Rottweil P 806]*	<<locked>>	70%	10849	25%	**0	81%
SNPE Vectan A0	<<locked>>	60%	14344	32%	**1	95%
SNPE Vectan BA 9	<<locked>>	61%	17927	41%	**6	100%
SNPE Vectan BA10	<<locked>>	62%	24642	56%	**0	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	60%	11792	27%	**1	83%
SNPE Vectan BA9 1/2	<<locked>>	60%	16636	38%	**3	100%
Shooters World Auto Pistol	<<locked>>	61%	24947	56%	**37	92%
[Shooters World Major Pistol]*	<<locked>>	82%	26426	60%	**02	80%
Somchem MP200	<<locked>>	60%	17085	39%	**6	96%
Somchem MS200	<<locked>>	62%	16810	38%	**6	98%
[Somchem S221]*	<<locked>>	62%	18550	42%	**5	81%
[Vihtavuori 3N37]*	<<locked>>	62%	13561	31%	**7	87%
[Vihtavuori 3N38]*	<<locked>>	92%	21756	49%	**07	81%
Vihtavuori N310	<<locked>>	60%	27267	62%	**6	100%
Vihtavuori N320	<<locked>>	60%	17448	39%	**0	100%
Vihtavuori N32C Tin Star	<<locked>>	63%	11153	25%	**2	100%
Vihtavuori N330	<<locked>>	62%	16534	37%	**3	100%
Vihtavuori N340	<<locked>>	61%	15040	34%	**0	96%
[Vihtavuori N350]*	<<locked>>	61%	11850	27%	**1	85%
Winchester 231	<<locked>>	61%	24352	55%	**1	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