Load data for .357 SIG + .355 | 123gr | Norma FMJ TC

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

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.355 \| 123gr \| Norma FMJ TC
Manufacturer SKU:	69027
Bullet Weight:	123gr \| 8.0g
Bullet Diameter:	0.355" \| 9.02mm
Bullet Length:	0.566" \| 14.4mm
Caliber:	.357 SIG load data
Case Length (l3):	0.860" \| 21.8mm
Cartridge Length (C.O.L.):	1.123" \| 28.5mm
Seated Depth:	0.303" \| 7.7mm
Shank Seated Depth:	0.303" \| 7.7mm
Case Capacity:	19.5 Grains of Water \| 1.27 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	44237 psi \| 3050 bar
LID:	LID_B3892_C518
Last updated:	2025-02-02

Load data for 118 loads in caliber .357 SIG with .355 | 123gr | Norma FMJ TC bullet and 59 powders such as Alliant UNIQUE, Hodgdon Longshot, ReloadSwiss RS 20, 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%	24947	56%	**47	89%
ADI AP 70N	<<locked>>	81%	39595	89%	**81	100%
ADI APS 350	<<locked>>	85%	39378	89%	**68	100%
ADI APS 450	<<locked>>	86%	38406	87%	**01	100%
ADI AS 30	<<locked>>	90%	38696	87%	**50	100%
ADI AS 50N	<<locked>>	87%	39291	89%	**09	100%
Accurate No. 2	<<locked>>	87%	39436	89%	**71	100%
Accurate No. 5	<<locked>>	72%	39073	88%	**70	97%
[Accurate No. 7]*	<<locked>>	91%	39189	89%	**16	86%
Accurate Solo 1000	<<locked>>	89%	38754	88%	**80	100%
Accurate Solo 1250	<<locked>>	96%	39566	89%	**58	100%
Alliant BULLSEYE	<<locked>>	85%	39378	89%	**30	100%
Alliant POWER PISTOL	<<locked>>	96%	38537	87%	**06	95%
Alliant UNIQUE 👍	<<locked>>	96%	37869	86%	**21	100%
Baschieri & Pellagri 100	<<locked>>	89%	38189	86%	**80	100%
Hodgdon Clays	<<locked>>	82%	37550	85%	**65	100%
Hodgdon HP38	<<locked>>	67%	38899	88%	**32	100%
Hodgdon HS-6	<<locked>>	78%	38450	87%	**40	98%
Hodgdon Longshot 👍	<<locked>>	75%	39523	89%	**53	99%
Hodgdon TiteGroup	<<locked>>	62%	39175	89%	**80	100%
Hodgdon Universal	<<locked>>	90%	39595	89%	**81	100%
Hodgdon TrailBoss	<<locked>>	96%	11560	26%	**3	100%
Lovex D036	<<locked>>	72%	39015	88%	**70	97%
[Lovex D037.1]*	<<locked>>	91%	39189	89%	**16	86%
Lovex S011	<<locked>>	77%	38537	87%	**09	100%
Lovex S020	<<locked>>	87%	38957	88%	**81	100%
Maxam CSB 1	<<locked>>	95%	35070	79%	**02	100%
Maxam CSB 2	<<locked>>	97%	39102	88%	**62	100%
Maxam CSB 3	<<locked>>	93%	38450	87%	**12	100%
Maxam CSB 4	<<locked>>	89%	38493	87%	**93	100%
Maxam CSB 5	<<locked>>	85%	39726	90%	**53	100%
Ramshot Silhouette	<<locked>>	79%	38957	88%	**24	100%
Ramshot True Blue	<<locked>>	73%	38522	87%	**30	99%
Ramshot Zip	<<locked>>	68%	39204	89%	**42	100%
ReloadSwiss RS 12	<<locked>>	84%	38928	88%	**45	100%
ReloadSwiss RS 14	<<locked>>	94%	10138	23%	**7	99%
ReloadSwiss RS 20 👍	<<locked>>	96%	36608	83%	**07	100%
[ReloadSwiss RS 24]*	<<locked>>	95%	35781	81%	**57	87%
Rottweil P 801	<<locked>>	78%	38943	88%	**09	100%
Rottweil P 806	<<locked>>	97%	28369	64%	**17	96%
SNPE Vectan A0	<<locked>>	96%	36941	84%	**52	100%
SNPE Vectan BA 9	<<locked>>	89%	38812	88%	**45	100%
SNPE Vectan BA10	<<locked>>	80%	38392	87%	**01	100%
SNPE Vectan BA7 1/2	<<locked>>	96%	31314	71%	**25	97%
SNPE Vectan BA9 1/2	<<locked>>	91%	39276	89%	**58	100%
Shooters World Auto Pistol	<<locked>>	72%	39015	88%	**70	97%
[Shooters World Major Pistol]*	<<locked>>	91%	39189	89%	**16	86%
Somchem MP200	<<locked>>	88%	38392	87%	**11	100%
Somchem MS200 👍	<<locked>>	95%	39639	90%	**01	100%
Somchem S221	<<locked>>	82%	38450	87%	**70	92%
Vihtavuori 3N37	<<locked>>	96%	38029	86%	**50	99%
[Vihtavuori 3N38]*	<<locked>>	96%	25773	58%	**83	82%
Vihtavuori N310	<<locked>>	72%	39233	89%	**11	100%
Vihtavuori N320	<<locked>>	86%	37565	85%	**93	100%
Vihtavuori N32C Tin Star	<<locked>>	96%	25135	57%	**79	100%
Vihtavuori N330	<<locked>>	90%	39030	88%	**78	100%
Vihtavuori N340 👍	<<locked>>	93%	38072	86%	**85	100%
Vihtavuori N350	<<locked>>	96%	34476	78%	**01	99%
Winchester 231	<<locked>>	76%	39204	89%	**42	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	77%	15867	36%	**37	80%
ADI AP 70N	<<locked>>	61%	22931	52%	**55	100%
ADI APS 350	<<locked>>	62%	23279	53%	**8	100%
ADI APS 450	<<locked>>	62%	22104	50%	**4	100%
ADI AS 30	<<locked>>	60%	19145	43%	**8	100%
ADI AS 50N	<<locked>>	60%	20262	46%	**47	100%
Accurate No. 2	<<locked>>	61%	18231	41%	**47	95%
Accurate No. 5	<<locked>>	61%	26600	60%	**80	92%
[Accurate No. 7]*	<<locked>>	82%	28268	64%	**55	80%
Accurate Solo 1000	<<locked>>	61%	19682	44%	**20	100%
Accurate Solo 1250	<<locked>>	61%	15954	36%	**01	100%
Alliant BULLSEYE	<<locked>>	61%	21147	48%	**42	99%
[Alliant POWER PISTOL]*	<<locked>>	65%	16694	38%	**89	80%
Alliant UNIQUE	<<locked>>	61%	15737	36%	**30	95%
Baschieri & Pellagri 100	<<locked>>	61%	18202	41%	**07	100%
Hodgdon Clays	<<locked>>	62%	23540	53%	**1	100%
Hodgdon HP38	<<locked>>	60%	31647	72%	**47	100%
Hodgdon HS-6	<<locked>>	61%	21843	49%	**75	91%
Hodgdon Longshot	<<locked>>	61%	24642	56%	**34	95%
Hodgdon TiteGroup	<<locked>>	60%	36941	84%	**53	100%
Hodgdon Universal	<<locked>>	61%	19014	43%	**79	100%
Hodgdon TrailBoss	<<locked>>	67%	6686	15%	**3	99%
Lovex D036	<<locked>>	61%	26571	60%	**76	92%
[Lovex D037.1]*	<<locked>>	82%	28268	64%	**55	80%
Lovex S011	<<locked>>	60%	23844	54%	**19	100%
Lovex S020	<<locked>>	61%	17651	40%	**66	99%
Maxam CSB 1	<<locked>>	62%	15273	35%	**8	99%
Maxam CSB 2	<<locked>>	60%	14576	33%	**7	100%
Maxam CSB 3	<<locked>>	61%	17463	39%	**10	100%
Maxam CSB 4	<<locked>>	62%	19754	45%	**37	100%
Maxam CSB 5	<<locked>>	62%	22394	51%	**40	100%
Ramshot Silhouette	<<locked>>	61%	22350	51%	**81	98%
Ramshot True Blue	<<locked>>	61%	25092	57%	**37	95%
Ramshot Zip	<<locked>>	62%	31850	72%	**57	100%
ReloadSwiss RS 12	<<locked>>	61%	20479	46%	**99	100%
ReloadSwiss RS 14	<<locked>>	69%	6628	15%	**9	95%
ReloadSwiss RS 20	<<locked>>	61%	13692	31%	**7	96%
[ReloadSwiss RS 24]*	<<locked>>	83%	24903	56%	**73	81%
Rottweil P 801	<<locked>>	60%	23598	53%	**15	100%
[Rottweil P 806]*	<<locked>>	70%	11647	26%	**24	80%
SNPE Vectan A0	<<locked>>	61%	15214	34%	**1	95%
SNPE Vectan BA 9	<<locked>>	61%	18304	41%	**40	99%
SNPE Vectan BA10	<<locked>>	60%	23714	54%	**17	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	61%	12604	28%	**5	82%
SNPE Vectan BA9 1/2	<<locked>>	61%	17840	40%	**40	100%
Shooters World Auto Pistol	<<locked>>	61%	26571	60%	**76	92%
[Shooters World Major Pistol]*	<<locked>>	82%	28268	64%	**55	80%
Somchem MP200	<<locked>>	61%	18231	41%	**79	96%
Somchem MS200	<<locked>>	60%	16491	37%	**20	97%
[Somchem S221]*	<<locked>>	62%	19624	44%	**42	80%
[Vihtavuori 3N37]*	<<locked>>	62%	14054	32%	**01	86%
[Vihtavuori 3N38]*	<<locked>>	93%	23206	52%	**37	80%
Vihtavuori N310	<<locked>>	60%	28224	64%	**89	100%
Vihtavuori N320	<<locked>>	62%	19653	44%	**56	100%
Vihtavuori N32C Tin Star	<<locked>>	62%	11414	26%	**3	100%
Vihtavuori N330	<<locked>>	60%	16462	37%	**43	100%
Vihtavuori N340	<<locked>>	61%	15809	36%	**17	96%
[Vihtavuori N350]*	<<locked>>	62%	12720	29%	**8	85%
Winchester 231	<<locked>>	61%	25527	58%	**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