Load data for .357 Magnum + .355 | 90gr | Sierra JHP SportsMaster

Recommended Powder(s): Alliant UNIQUE, Hodgdon Longshot, Ramshot True Blue, Rottweil P 806, Vihtavuori N350

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.355 \| 90gr \| Sierra JHP SportsMaster
Manufacturer SKU:	8100
Bullet Weight:	90gr \| 5.8g
Bullet Diameter:	0.355" \| 9.02mm
Bullet Length:	0.423" \| 10.7mm
Caliber:	.357 Magnum load data
Case Length (l3):	1.290" \| 32.8mm
Cartridge Length (C.O.L.):	1.566" \| 39.8mm
Seated Depth:	0.147" \| 3.7mm
Shank Seated Depth:	0.147" \| 3.7mm
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_B5932_C513
Last updated:	2025-01-01

Load data for 114 loads in caliber .357 Magnum with .355 | 90gr | Sierra JHP SportsMaster bullet and 57 powders such as Alliant UNIQUE, Hodgdon Longshot, Ramshot True Blue, Rottweil P 806, 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".

Go to the bottom of the "Dashboard " page to set the measure system (imperial vs. metric)
No data yet
C.O.L. (Inch)
C.O.L. (mm)
We recommend you limit powder range to relevant brands to speed up re-calculation of results
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>>	96%	33199	76%	**78	94%
ADI AP 70N	<<locked>>	70%	36956	85%	**39	100%
ADI APS 350	<<locked>>	77%	37362	86%	**26	100%
ADI APS 450	<<locked>>	79%	37971	87%	**81	100%
ADI AS 30	<<locked>>	81%	38334	88%	**37	100%
ADI AS 50N	<<locked>>	77%	38159	88%	**99	100%
Accurate No. 2	<<locked>>	77%	37289	86%	**75	100%
Accurate No. 5	<<locked>>	64%	38624	89%	**70	97%
[Accurate No. 7]*	<<locked>>	79%	37376	86%	**96	86%
Accurate Solo 1000	<<locked>>	80%	38130	88%	**70	100%
Accurate Solo 1250	<<locked>>	84%	37405	86%	**36	100%
Alliant BULLSEYE	<<locked>>	75%	38203	88%	**34	100%
Alliant POWER PISTOL	<<locked>>	84%	37260	86%	**03	94%
Alliant UNIQUE 👍	<<locked>>	85%	38130	88%	**24	100%
Baschieri & Pellagri 100	<<locked>>	79%	36840	85%	**60	100%
Hodgdon Clays	<<locked>>	77%	38014	87%	**55	100%
Hodgdon HS-6	<<locked>>	69%	37347	86%	**34	98%
Hodgdon Longshot 👍	<<locked>>	67%	38769	89%	**47	99%
Hodgdon Universal	<<locked>>	77%	36956	85%	**39	100%
Hodgdon TrailBoss	<<locked>>	93%	13750	32%	**55	100%
Lovex D036	<<locked>>	64%	38566	89%	**67	97%
[Lovex D037.1]*	<<locked>>	79%	37376	86%	**96	86%
Lovex S011	<<locked>>	70%	38711	89%	**13	100%
Lovex S020	<<locked>>	77%	37869	87%	**81	100%
Maxam CSB 1	<<locked>>	89%	38363	88%	**39	100%
Maxam CSB 2	<<locked>>	84%	37275	86%	**29	100%
Maxam CSB 3	<<locked>>	82%	37173	85%	**99	100%
Maxam CSB 4	<<locked>>	80%	37420	86%	**77	100%
Maxam CSB 5	<<locked>>	74%	36883	85%	**04	100%
Ramshot Silhouette	<<locked>>	69%	37405	86%	**14	100%
Ramshot True Blue 👍	<<locked>>	65%	38218	88%	**41	99%
ReloadSwiss RS 12	<<locked>>	73%	37637	87%	**22	100%
ReloadSwiss RS 14	<<locked>>	96%	13227	30%	**68	100%
ReloadSwiss RS 20	<<locked>>	86%	38130	88%	**24	100%
[ReloadSwiss RS 24]*	<<locked>>	87%	38101	88%	**00	89%
Rottweil P 801	<<locked>>	70%	39117	90%	**93	100%
Rottweil P 806 👍	<<locked>>	92%	38072	87%	**32	99%
SNPE Vectan A0	<<locked>>	87%	37043	85%	**62	100%
SNPE Vectan BA 9	<<locked>>	80%	38841	89%	**49	100%
SNPE Vectan BA10	<<locked>>	75%	39146	90%	**98	100%
SNPE Vectan BA7 1/2	<<locked>>	93%	37840	87%	**18	99%
SNPE Vectan BA9 1/2	<<locked>>	80%	37579	86%	**39	100%
Shooters World Auto Pistol	<<locked>>	64%	38566	89%	**67	97%
[Shooters World Major Pistol]*	<<locked>>	79%	37376	86%	**96	86%
Somchem MP200	<<locked>>	78%	37449	86%	**01	100%
Somchem MS200	<<locked>>	84%	38957	90%	**08	100%
Somchem S221	<<locked>>	72%	37362	86%	**50	92%
Vihtavuori 3N37	<<locked>>	85%	37449	86%	**44	99%
[Vihtavuori 3N38]*	<<locked>>	96%	35969	83%	**54	89%
[Vihtavuori N105]*	<<locked>>	97%	28137	65%	**59	89%
Vihtavuori N310	<<locked>>	66%	38812	89%	**91	100%
Vihtavuori N320	<<locked>>	77%	37144	85%	**83	100%
Vihtavuori N32C Tin Star	<<locked>>	95%	31053	71%	**90	100%
Vihtavuori N330	<<locked>>	80%	38072	88%	**62	100%
Vihtavuori N340	<<locked>>	84%	38595	89%	**01	100%
Vihtavuori N350 👍	<<locked>>	90%	39102	90%	**70	100%
Winchester 231	<<locked>>	67%	37086	85%	**16	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	70%	16679	38%	**52	81%
ADI AP 70N	<<locked>>	61%	28819	66%	**11	100%
ADI APS 350	<<locked>>	61%	26005	60%	**52	100%
ADI APS 450	<<locked>>	61%	25179	58%	**71	100%
ADI AS 30	<<locked>>	61%	23511	54%	**91	100%
ADI AS 50N	<<locked>>	62%	25556	59%	**76	100%
Accurate No. 2	<<locked>>	61%	22524	52%	**80	97%
Accurate No. 5	<<locked>>	61%	34737	80%	**14	96%
[Accurate No. 7]*	<<locked>>	72%	28689	66%	**22	81%
Accurate Solo 1000	<<locked>>	61%	23496	54%	**24	100%
Accurate Solo 1250	<<locked>>	61%	19972	46%	**04	100%
Alliant BULLSEYE	<<locked>>	61%	25744	59%	**98	100%
[Alliant POWER PISTOL]*	<<locked>>	61%	18811	43%	**47	82%
Alliant UNIQUE	<<locked>>	62%	20276	47%	**60	98%
Baschieri & Pellagri 100	<<locked>>	61%	22524	52%	**14	100%
Hodgdon Clays	<<locked>>	61%	26237	60%	**65	100%
Hodgdon HS-6	<<locked>>	61%	28413	65%	**60	95%
Hodgdon Longshot	<<locked>>	61%	31285	72%	**13	98%
Hodgdon Universal	<<locked>>	61%	23554	54%	**96	100%
Hodgdon TrailBoss	<<locked>>	61%	7324	17%	**2	99%
Lovex D036	<<locked>>	61%	34679	80%	**11	96%
[Lovex D037.1]*	<<locked>>	72%	28689	66%	**22	81%
Lovex S011	<<locked>>	61%	29704	68%	**68	100%
Lovex S020	<<locked>>	61%	23699	54%	**12	100%
Maxam CSB 1	<<locked>>	61%	18492	42%	**55	100%
Maxam CSB 2	<<locked>>	61%	20233	47%	**17	100%
Maxam CSB 3	<<locked>>	61%	21582	50%	**14	100%
Maxam CSB 4	<<locked>>	61%	23163	53%	**24	100%
Maxam CSB 5	<<locked>>	60%	25730	59%	**27	100%
Ramshot Silhouette	<<locked>>	61%	28021	64%	**31	99%
Ramshot True Blue	<<locked>>	61%	32648	75%	**36	98%
ReloadSwiss RS 12	<<locked>>	62%	27050	62%	**39	100%
ReloadSwiss RS 14	<<locked>>	60%	6686	15%	**6	94%
ReloadSwiss RS 20	<<locked>>	61%	18478	42%	**17	98%
[ReloadSwiss RS 24]*	<<locked>>	73%	25106	58%	**14	81%
Rottweil P 801	<<locked>>	61%	30371	70%	**58	100%
[Rottweil P 806]*	<<locked>>	63%	13605	31%	**06	81%
SNPE Vectan A0	<<locked>>	61%	18652	43%	**68	97%
SNPE Vectan BA 9	<<locked>>	61%	22379	51%	**57	100%
SNPE Vectan BA10	<<locked>>	61%	28065	64%	**24	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	61%	16085	37%	**12	87%
SNPE Vectan BA9 1/2	<<locked>>	61%	22481	52%	**70	100%
Shooters World Auto Pistol	<<locked>>	61%	34679	80%	**11	96%
[Shooters World Major Pistol]*	<<locked>>	72%	28689	66%	**22	81%
Somchem MP200	<<locked>>	61%	23235	53%	**26	98%
Somchem MS200	<<locked>>	61%	20813	48%	**40	99%
[Somchem S221]*	<<locked>>	61%	24932	57%	**98	85%
Vihtavuori 3N37	<<locked>>	61%	18188	42%	**14	90%
[Vihtavuori 3N38]*	<<locked>>	81%	23264	53%	**62	80%
[Vihtavuori N105]*	<<locked>>	85%	19841	46%	**16	80%
Vihtavuori N310	<<locked>>	60%	33663	77%	**19	100%
Vihtavuori N320	<<locked>>	61%	24091	55%	**60	100%
Vihtavuori N32C Tin Star	<<locked>>	61%	14098	32%	**45	100%
Vihtavuori N330	<<locked>>	61%	21857	50%	**67	100%
Vihtavuori N340	<<locked>>	61%	19957	46%	**30	98%
[Vihtavuori N350]*	<<locked>>	61%	16317	37%	**45	88%
Winchester 231	<<locked>>	61%	31053	71%	**17	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