Load data for .357 SIG + .355 | 124gr | Sellier & Bellot SP

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

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.355 \| 124gr \| Sellier & Bellot SP
Manufacturer SKU:	31927
Bullet Weight:	124gr \| 8.0g
Bullet Diameter:	0.355" \| 9.02mm
Bullet Length:	0.583" \| 14.8mm
Caliber:	.357 SIG load data
Case Length (l3):	0.860" \| 21.8mm
Cartridge Length (C.O.L.):	1.123" \| 28.5mm
Seated Depth:	0.320" \| 8.1mm
Shank Seated Depth:	0.320" \| 8.1mm
Case Capacity:	19.5 Grains of Water \| 1.27 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	44237 psi \| 3050 bar
LID:	LID_B7249_C518
Last updated:	2025-02-02

Load data for 116 loads in caliber .357 SIG with .355 | 124gr | Sellier & Bellot SP bullet and 58 powders such as Alliant UNIQUE, Ramshot True Blue, 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.

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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>>	97%	25367	57%	**34	89%
ADI AP 70N	<<locked>>	82%	39740	90%	**68	100%
ADI APS 350	<<locked>>	85%	38986	88%	**48	100%
ADI APS 450	<<locked>>	86%	38406	87%	**81	100%
ADI AS 30	<<locked>>	90%	38276	87%	**30	100%
ADI AS 50N	<<locked>>	87%	39218	89%	**93	100%
Accurate No. 2	<<locked>>	86%	37434	85%	**32	100%
Accurate No. 5	<<locked>>	73%	39740	90%	**53	97%
[Accurate No. 7]*	<<locked>>	92%	38856	88%	**90	85%
Accurate Solo 1000	<<locked>>	89%	38740	88%	**66	100%
Accurate Solo 1250	<<locked>>	95%	38014	86%	**19	100%
Alliant BULLSEYE	<<locked>>	86%	39581	89%	**14	100%
Alliant POWER PISTOL	<<locked>>	95%	37768	85%	**76	94%
Alliant UNIQUE 👍	<<locked>>	95%	36593	83%	**91	100%
Baschieri & Pellagri 100	<<locked>>	90%	38348	87%	**63	100%
Hodgdon Clays	<<locked>>	85%	39537	89%	**68	100%
Hodgdon HP38	<<locked>>	68%	39117	88%	**16	100%
Hodgdon HS-6	<<locked>>	79%	39566	89%	**30	98%
Hodgdon Longshot	<<locked>>	75%	38464	87%	**24	99%
Hodgdon TiteGroup	<<locked>>	62%	39088	88%	**60	100%
Hodgdon Universal	<<locked>>	91%	39740	90%	**68	100%
Hodgdon TrailBoss	<<locked>>	95%	11095	25%	**0	100%
Lovex D036	<<locked>>	73%	39668	90%	**53	97%
[Lovex D037.1]*	<<locked>>	92%	38856	88%	**90	85%
Lovex S011	<<locked>>	77%	38377	87%	**93	100%
Lovex S020	<<locked>>	88%	39450	89%	**68	100%
Maxam CSB 1	<<locked>>	96%	35099	79%	**86	100%
Maxam CSB 2	<<locked>>	96%	36985	84%	**29	100%
Maxam CSB 3	<<locked>>	93%	38145	86%	**99	100%
Maxam CSB 4	<<locked>>	90%	38479	87%	**76	100%
Maxam CSB 5	<<locked>>	86%	39320	89%	**34	100%
Ramshot Silhouette	<<locked>>	80%	39349	89%	**14	100%
Ramshot True Blue 👍	<<locked>>	74%	39189	89%	**24	99%
Ramshot Zip	<<locked>>	69%	39595	89%	**29	100%
ReloadSwiss RS 12	<<locked>>	85%	38769	88%	**29	100%
ReloadSwiss RS 14	<<locked>>	93%	9790	22%	**4	99%
ReloadSwiss RS 20 👍	<<locked>>	95%	35114	79%	**68	100%
[ReloadSwiss RS 24]*	<<locked>>	96%	34911	79%	**27	87%
Rottweil P 801	<<locked>>	79%	39088	88%	**93	100%
Rottweil P 806	<<locked>>	96%	26426	60%	**71	95%
SNPE Vectan A0	<<locked>>	95%	35157	79%	**19	100%
SNPE Vectan BA 9	<<locked>>	90%	39508	89%	**32	100%
SNPE Vectan BA10	<<locked>>	81%	38392	87%	**81	100%
SNPE Vectan BA7 1/2	<<locked>>	95%	30458	69%	**96	97%
SNPE Vectan BA9 1/2	<<locked>>	92%	39233	89%	**42	100%
Shooters World Auto Pistol	<<locked>>	73%	39668	90%	**53	97%
[Shooters World Major Pistol]*	<<locked>>	92%	38856	88%	**90	85%
Somchem MP200	<<locked>>	89%	38682	87%	**98	100%
Somchem MS200 👍	<<locked>>	94%	38348	87%	**68	100%
Somchem S221	<<locked>>	84%	39320	89%	**63	92%
Vihtavuori 3N37	<<locked>>	96%	36811	83%	**17	99%
Vihtavuori N310	<<locked>>	73%	38827	88%	**94	100%
Vihtavuori N320	<<locked>>	87%	37579	85%	**76	100%
Vihtavuori N32C Tin Star	<<locked>>	96%	24947	56%	**63	100%
Vihtavuori N330	<<locked>>	91%	39392	89%	**65	100%
Vihtavuori N340 👍	<<locked>>	94%	38537	87%	**71	100%
Vihtavuori N350	<<locked>>	96%	33402	76%	**65	99%
Winchester 231	<<locked>>	77%	39595	89%	**29	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	80%	16665	38%	**50	81%
ADI AP 70N	<<locked>>	61%	22742	51%	**35	100%
ADI APS 350	<<locked>>	61%	22640	51%	**1	100%
ADI APS 450	<<locked>>	61%	21408	48%	**4	100%
ADI AS 30	<<locked>>	62%	20015	45%	**4	100%
ADI AS 50N	<<locked>>	60%	19943	45%	**30	100%
Accurate No. 2	<<locked>>	61%	17956	41%	**27	94%
Accurate No. 5	<<locked>>	61%	25541	58%	**43	91%
[Accurate No. 7]*	<<locked>>	85%	30792	70%	**78	81%
Accurate Solo 1000	<<locked>>	60%	19203	43%	**01	100%
Accurate Solo 1250	<<locked>>	61%	15490	35%	**4	99%
Alliant BULLSEYE	<<locked>>	61%	20813	47%	**22	99%
[Alliant POWER PISTOL]*	<<locked>>	68%	17521	40%	**02	81%
Alliant UNIQUE	<<locked>>	61%	15389	35%	**07	95%
Baschieri & Pellagri 100	<<locked>>	61%	17869	40%	**1	100%
Hodgdon Clays	<<locked>>	61%	22785	52%	**8	100%
Hodgdon HP38	<<locked>>	61%	31285	71%	**27	100%
Hodgdon HS-6	<<locked>>	60%	20972	47%	**42	90%
Hodgdon Longshot	<<locked>>	61%	23351	53%	**94	94%
Hodgdon TiteGroup	<<locked>>	61%	36869	83%	**40	100%
Hodgdon Universal	<<locked>>	61%	18637	42%	**60	100%
Hodgdon TrailBoss	<<locked>>	69%	6889	16%	**3	99%
Lovex D036	<<locked>>	61%	25498	58%	**43	91%
[Lovex D037.1]*	<<locked>>	85%	30792	70%	**78	81%
Lovex S011	<<locked>>	60%	23322	53%	**99	100%
Lovex S020	<<locked>>	61%	17405	39%	**47	98%
Maxam CSB 1	<<locked>>	61%	14823	34%	**5	99%
Maxam CSB 2	<<locked>>	62%	15243	34%	**04	100%
Maxam CSB 3	<<locked>>	61%	16911	38%	**1	100%
Maxam CSB 4	<<locked>>	62%	19160	43%	**17	100%
Maxam CSB 5	<<locked>>	62%	21857	49%	**20	100%
Ramshot Silhouette	<<locked>>	60%	21292	48%	**42	97%
Ramshot True Blue	<<locked>>	62%	25135	57%	**17	95%
Ramshot Zip	<<locked>>	60%	30110	68%	**24	100%
ReloadSwiss RS 12	<<locked>>	61%	20059	45%	**79	100%
ReloadSwiss RS 14	<<locked>>	72%	6817	15%	**2	95%
ReloadSwiss RS 20	<<locked>>	61%	13431	30%	**8	95%
[ReloadSwiss RS 24]*	<<locked>>	84%	25324	57%	**63	81%
Rottweil P 801	<<locked>>	60%	23090	52%	**93	100%
[Rottweil P 806]*	<<locked>>	73%	12328	28%	**37	81%
SNPE Vectan A0	<<locked>>	61%	14924	34%	**8	94%
SNPE Vectan BA 9	<<locked>>	61%	18101	41%	**24	99%
SNPE Vectan BA10	<<locked>>	60%	23105	52%	**7	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	61%	12517	28%	**2	82%
SNPE Vectan BA9 1/2	<<locked>>	61%	17477	40%	**20	100%
Shooters World Auto Pistol	<<locked>>	61%	25498	58%	**43	91%
[Shooters World Major Pistol]*	<<locked>>	85%	30792	70%	**78	81%
Somchem MP200	<<locked>>	61%	18130	41%	**63	96%
Somchem MS200	<<locked>>	60%	16186	37%	**04	97%
[Somchem S221]*	<<locked>>	64%	20755	47%	**52	81%
[Vihtavuori 3N37]*	<<locked>>	60%	13097	30%	**1	85%
Vihtavuori N310	<<locked>>	60%	27615	62%	**70	100%
Vihtavuori N320	<<locked>>	62%	19232	43%	**33	100%
Vihtavuori N32C Tin Star	<<locked>>	61%	10863	25%	**0	100%
Vihtavuori N330	<<locked>>	60%	16070	36%	**27	100%
Vihtavuori N340	<<locked>>	61%	15534	35%	**7	95%
[Vihtavuori N350]*	<<locked>>	62%	12647	29%	**5	84%
Winchester 231	<<locked>>	62%	25280	57%	**52	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