Load data for .357 SIG + .355 | 130gr | Sierra FMJ RN SportsMaster

Recommended Powder(s): Alliant UNIQUE, ReloadSwiss RS 20, Somchem MS200, Vihtavuori 3N37, Vihtavuori N340

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.355 \| 130gr \| Sierra FMJ RN SportsMaster
Manufacturer SKU:	8345
Bullet Weight:	130gr \| 8.4g
Bullet Diameter:	0.355" \| 9.02mm
Bullet Length:	0.593" \| 15.1mm
Caliber:	.357 SIG load data
Case Length (l3):	0.860" \| 21.8mm
Cartridge Length (C.O.L.):	1.123" \| 28.5mm
Seated Depth:	0.330" \| 8.4mm
Shank Seated Depth:	0.330" \| 8.4mm
Case Capacity:	19.5 Grains of Water \| 1.27 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	44237 psi \| 3050 bar
LID:	LID_B5941_C518
Last updated:	2025-01-01

Load data for 118 loads in caliber .357 SIG with .355 | 130gr | Sierra FMJ RN SportsMaster bullet and 59 powders such as Alliant UNIQUE, ReloadSwiss RS 20, Somchem MS200, Vihtavuori 3N37, 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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Use the Personalized Load Calculator to customize loads to your own specific requirements. Find more details in the help section.

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%	25817	58%	**04	90%
ADI AP 70N	<<locked>>	79%	38029	86%	**02	100%
ADI APS 350	<<locked>>	84%	38522	87%	**06	100%
ADI APS 450	<<locked>>	86%	37898	86%	**38	100%
ADI AS 30	<<locked>>	89%	38218	86%	**88	100%
ADI AS 50N	<<locked>>	87%	39305	89%	**50	100%
Accurate No. 2	<<locked>>	85%	37521	85%	**96	100%
Accurate No. 5	<<locked>>	72%	38899	88%	**98	97%
[Accurate No. 7]*	<<locked>>	91%	38812	88%	**44	86%
Accurate Solo 1000	<<locked>>	89%	38609	87%	**20	100%
Accurate Solo 1250	<<locked>>	95%	38145	86%	**80	100%
Alliant BULLSEYE	<<locked>>	85%	39755	90%	**71	100%
Alliant POWER PISTOL	<<locked>>	96%	38464	87%	**47	95%
Alliant UNIQUE 👍	<<locked>>	97%	38841	88%	**71	100%
Baschieri & Pellagri 100	<<locked>>	90%	38493	87%	**27	100%
Hodgdon Clays	<<locked>>	84%	38783	88%	**25	100%
Hodgdon HP38	<<locked>>	68%	39218	89%	**73	100%
Hodgdon HS-6	<<locked>>	78%	38508	87%	**85	98%
Hodgdon Longshot	<<locked>>	75%	39479	89%	**85	99%
Hodgdon TiteGroup	<<locked>>	62%	38928	88%	**20	100%
Hodgdon Universal	<<locked>>	88%	38029	86%	**02	100%
Hodgdon TrailBoss	<<locked>>	93%	10863	25%	**7	100%
Lovex D036	<<locked>>	72%	38841	88%	**98	97%
[Lovex D037.1]*	<<locked>>	91%	38812	88%	**44	86%
Lovex S011	<<locked>>	77%	38653	87%	**47	100%
Lovex S020	<<locked>>	86%	37391	85%	**06	100%
Maxam CSB 1	<<locked>>	95%	35592	80%	**47	100%
Maxam CSB 2	<<locked>>	95%	37347	84%	**86	100%
Maxam CSB 3	<<locked>>	93%	38493	87%	**57	100%
Maxam CSB 4	<<locked>>	89%	38508	87%	**37	100%
Maxam CSB 5	<<locked>>	85%	39247	89%	**91	100%
Ramshot Silhouette	<<locked>>	79%	38508	87%	**55	100%
Ramshot True Blue	<<locked>>	73%	38334	87%	**68	99%
Ramshot Zip	<<locked>>	67%	37898	86%	**66	100%
ReloadSwiss RS 12	<<locked>>	84%	39378	89%	**86	100%
ReloadSwiss RS 14	<<locked>>	95%	10283	23%	**4	100%
ReloadSwiss RS 20 👍	<<locked>>	95%	35998	81%	**35	100%
[ReloadSwiss RS 24]*	<<locked>>	96%	36318	82%	**01	88%
Rottweil P 801	<<locked>>	79%	39421	89%	**50	100%
Rottweil P 806	<<locked>>	97%	27905	63%	**55	96%
SNPE Vectan A0	<<locked>>	95%	35795	81%	**80	100%
SNPE Vectan BA 9	<<locked>>	88%	37724	85%	**76	100%
SNPE Vectan BA10	<<locked>>	80%	37884	86%	**38	100%
SNPE Vectan BA7 1/2	<<locked>>	95%	31096	70%	**66	97%
SNPE Vectan BA9 1/2	<<locked>>	92%	39610	90%	**06	100%
Shooters World Auto Pistol	<<locked>>	72%	38841	88%	**98	97%
[Shooters World Major Pistol]*	<<locked>>	91%	38812	88%	**44	86%
Somchem MP200	<<locked>>	89%	39276	89%	**62	100%
Somchem MS200 👍	<<locked>>	93%	38696	87%	**29	100%
Somchem S221	<<locked>>	83%	38595	87%	**14	92%
Vihtavuori 3N37 👍	<<locked>>	96%	37840	86%	**88	99%
[Vihtavuori 3N38]*	<<locked>>	97%	25686	58%	**34	83%
Vihtavuori N310	<<locked>>	72%	38174	86%	**48	100%
Vihtavuori N320	<<locked>>	86%	37536	85%	**34	100%
Vihtavuori N32C Tin Star	<<locked>>	95%	25106	57%	**30	100%
Vihtavuori N330	<<locked>>	89%	37347	84%	**99	100%
Vihtavuori N340 👍	<<locked>>	94%	39059	88%	**32	100%
Vihtavuori N350	<<locked>>	96%	34185	77%	**35	99%
Winchester 231	<<locked>>	75%	37898	86%	**66	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	78%	16012	36%	**7	81%
ADI AP 70N	<<locked>>	61%	22481	51%	**96	100%
ADI APS 350	<<locked>>	62%	23511	53%	**8	100%
ADI APS 450	<<locked>>	60%	20914	47%	**2	100%
ADI AS 30	<<locked>>	61%	19566	44%	**1	100%
ADI AS 50N	<<locked>>	61%	20914	47%	**14	100%
Accurate No. 2	<<locked>>	61%	17622	40%	**1	95%
Accurate No. 5	<<locked>>	61%	25860	58%	**14	92%
[Accurate No. 7]*	<<locked>>	81%	27804	63%	**86	80%
Accurate Solo 1000	<<locked>>	62%	20262	46%	**8	100%
Accurate Solo 1250	<<locked>>	62%	16404	37%	**8	100%
Alliant BULLSEYE	<<locked>>	61%	20494	46%	**86	99%
[Alliant POWER PISTOL]*	<<locked>>	66%	16766	38%	**47	81%
Alliant UNIQUE	<<locked>>	60%	15287	35%	**8	96%
Baschieri & Pellagri 100	<<locked>>	62%	18855	43%	**4	100%
Hodgdon Clays	<<locked>>	62%	23844	54%	**1	100%
Hodgdon HP38	<<locked>>	60%	31633	72%	**91	100%
Hodgdon HS-6	<<locked>>	62%	22321	50%	**35	92%
Hodgdon Longshot	<<locked>>	61%	23815	54%	**65	95%
Hodgdon TiteGroup	<<locked>>	60%	36782	83%	**01	100%
Hodgdon Universal	<<locked>>	60%	18478	42%	**20	100%
Hodgdon TrailBoss	<<locked>>	71%	7208	16%	**6	99%
Lovex D036	<<locked>>	61%	25817	58%	**11	92%
[Lovex D037.1]*	<<locked>>	81%	27804	63%	**86	80%
Lovex S011	<<locked>>	61%	24860	56%	**86	100%
Lovex S020	<<locked>>	62%	18579	42%	**40	99%
Maxam CSB 1	<<locked>>	60%	14634	33%	**2	99%
Maxam CSB 2	<<locked>>	61%	15098	34%	**5	100%
Maxam CSB 3	<<locked>>	62%	17970	41%	**8	100%
Maxam CSB 4	<<locked>>	61%	18869	43%	**8	100%
Maxam CSB 5	<<locked>>	60%	21292	48%	**8	100%
Ramshot Silhouette	<<locked>>	62%	22568	51%	**29	98%
Ramshot True Blue	<<locked>>	61%	25483	58%	**91	96%
Ramshot Zip	<<locked>>	62%	31966	72%	**04	100%
ReloadSwiss RS 12	<<locked>>	60%	19682	44%	**40	100%
ReloadSwiss RS 14	<<locked>>	74%	7063	16%	**3	96%
ReloadSwiss RS 20	<<locked>>	62%	14286	32%	**1	97%
[ReloadSwiss RS 24]*	<<locked>>	81%	23714	54%	**98	80%
Rottweil P 801	<<locked>>	62%	24366	55%	**79	100%
[Rottweil P 806]*	<<locked>>	70%	11502	26%	**8	81%
SNPE Vectan A0	<<locked>>	60%	14866	34%	**8	95%
SNPE Vectan BA 9	<<locked>>	60%	17869	40%	**8	99%
SNPE Vectan BA10	<<locked>>	61%	24207	55%	**1	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	61%	12531	28%	**3	83%
SNPE Vectan BA9 1/2	<<locked>>	62%	18463	42%	**14	100%
Shooters World Auto Pistol	<<locked>>	61%	25817	58%	**11	92%
[Shooters World Major Pistol]*	<<locked>>	81%	27804	63%	**86	80%
Somchem MP200	<<locked>>	61%	18130	41%	**30	96%
Somchem MS200	<<locked>>	61%	16998	38%	**4	97%
[Somchem S221]*	<<locked>>	63%	20001	45%	**06	81%
[Vihtavuori 3N37]*	<<locked>>	62%	13895	31%	**8	87%
[Vihtavuori 3N38]*	<<locked>>	93%	23163	52%	**88	81%
Vihtavuori N310	<<locked>>	61%	28964	65%	**53	100%
Vihtavuori N320	<<locked>>	61%	18811	43%	**7	100%
Vihtavuori N32C Tin Star	<<locked>>	60%	10631	24%	**4	100%
Vihtavuori N330	<<locked>>	62%	17143	39%	**14	100%
Vihtavuori N340	<<locked>>	61%	15519	35%	**8	96%
[Vihtavuori N350]*	<<locked>>	61%	12531	28%	**5	85%
Winchester 231	<<locked>>	61%	25150	57%	**15	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