Load data for .357 Magnum + .357 | 158gr | Sierra JHC SportsMaster

Recommended Powder(s):

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.357 \| 158gr \| Sierra JHC SportsMaster
Manufacturer SKU:	8360
Bullet Weight:	158gr \| 10.2g
Bullet Diameter:	0.357" \| 9.07mm
Bullet Length:	<<locked>>
Caliber:	.357 Magnum load data
Case Length (l3):	1.290" \| 32.8mm
Cartridge Length (C.O.L.):	<<locked>>
Seated Depth:	<<locked>>
Shank Seated Depth:	<<locked>>
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_B5947_C513
Last updated:	2026-01-20

Load data for 126 loads in caliber .357 Magnum with .357 | 158gr | Sierra JHC SportsMaster bullet and 63 powder(s). 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>>	95%	37072	85%	**25	99%
ADI AP 70N	<<locked>>	67%	38464	88%	**20	100%
ADI APS 350	<<locked>>	76%	38957	90%	**60	100%
ADI APS 450	<<locked>>	77%	39088	90%	**93	100%
ADI AS 30	<<locked>>	76%	37478	86%	**15	100%
ADI AS 50N	<<locked>>	73%	38043	87%	**58	100%
Accurate No. 2	<<locked>>	74%	37942	87%	**37	100%
Accurate No. 7	<<locked>>	76%	38435	88%	**94	94%
[Accurate No. 9]*	<<locked>>	84%	38072	87%	**78	88%
Accurate Solo 1000	<<locked>>	77%	38769	89%	**52	100%
Accurate Solo 1250	<<locked>>	80%	37695	87%	**98	100%
Accurate TCM	<<locked>>	84%	38754	89%	**78	90%
[Alliant 2400]*	<<locked>>	96%	38972	90%	**11	86%
Alliant BLUE DOT	<<locked>>	97%	36883	85%	**62	92%
Alliant BULLSEYE	<<locked>>	71%	37855	87%	**70	100%
Alliant POWER PISTOL	<<locked>>	80%	38899	89%	**88	99%
Alliant Sport Pistol	<<locked>>	66%	38319	88%	**73	100%
Alliant UNIQUE	<<locked>>	81%	38464	88%	**76	100%
Baschieri & Pellagri 100	<<locked>>	76%	38087	88%	**52	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	96%	38667	89%	**68	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	72%	38159	88%	**71	100%
Hodgdon Clays	<<locked>>	73%	37811	87%	**63	100%
Hodgdon HS-6	<<locked>>	66%	37739	87%	**09	100%
Hodgdon Longshot	<<locked>>	63%	38841	89%	**16	100%
Hodgdon Universal	<<locked>>	74%	38464	88%	**20	100%
Hodgdon CFE Pistol	<<locked>>	77%	38653	89%	**20	100%
Lovex D037.1	<<locked>>	76%	38435	88%	**94	94%
[Lovex D037.2]*	<<locked>>	83%	38072	87%	**78	88%
Lovex S011	<<locked>>	66%	38247	88%	**75	100%
Lovex S020	<<locked>>	73%	38899	89%	**37	100%
Maxam CSB 1	<<locked>>	84%	38682	89%	**01	100%
Maxam CSB 2	<<locked>>	80%	38725	89%	**01	100%
Maxam CSB 3	<<locked>>	79%	38551	89%	**78	100%
Maxam CSB 4	<<locked>>	77%	38928	89%	**68	100%
Maxam CSB 5	<<locked>>	72%	38435	88%	**12	100%
[Ramshot Enforcer]*	<<locked>>	97%	38624	89%	**17	87%
Ramshot Silhouette	<<locked>>	66%	37710	87%	**70	100%
ReloadSwiss RS 12	<<locked>>	70%	39073	90%	**91	100%
ReloadSwiss RS 20	<<locked>>	81%	37536	86%	**60	100%
ReloadSwiss RS 24	<<locked>>	83%	39102	90%	**88	96%
Rottweil P 801	<<locked>>	65%	38421	88%	**58	100%
Rottweil P 806	<<locked>>	87%	38870	89%	**94	100%
SNPE Vectan A0	<<locked>>	83%	37782	87%	**27	100%
SNPE Vectan BA 9	<<locked>>	77%	39131	90%	**17	100%
SNPE Vectan BA10	<<locked>>	72%	39059	90%	**93	100%
SNPE Vectan BA7 1/2 👍	<<locked>>	88%	38348	88%	**93	100%
SNPE Vectan BA9 1/2	<<locked>>	77%	38856	89%	**17	100%
SNPE Vectan SP 2 👍	<<locked>>	75%	38421	88%	**81	100%
[Shooters World Heavy Pistol]*	<<locked>>	83%	38072	87%	**78	88%
Shooters World Major Pistol	<<locked>>	76%	38435	88%	**94	94%
Somchem MP200	<<locked>>	74%	37826	87%	**60	100%
Somchem MS200	<<locked>>	80%	39088	90%	**53	100%
Somchem S221	<<locked>>	69%	38522	89%	**55	98%
Vihtavuori 3N37 👍	<<locked>>	81%	38363	88%	**16	100%
Vihtavuori 3N38	<<locked>>	94%	39073	90%	**71	97%
Vihtavuori N105	<<locked>>	96%	33649	77%	**55	98%
Vihtavuori N310	<<locked>>	62%	38537	89%	**83	100%
Vihtavuori N320	<<locked>>	74%	38798	89%	**65	100%
Vihtavuori N32C Tin Star	<<locked>>	96%	35012	80%	**63	100%
Vihtavuori N330	<<locked>>	75%	38029	87%	**14	100%
Vihtavuori N340	<<locked>>	79%	37797	87%	**40	100%
Vihtavuori N350 👍	<<locked>>	85%	38696	89%	**12	100%
Winchester 231	<<locked>>	65%	38885	89%	**01	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	62%	15055	35%	**2	88%
ADI AP 70N	<<locked>>	61%	32503	75%	**55	100%
ADI APS 350	<<locked>>	60%	27514	63%	**5	100%
ADI APS 450	<<locked>>	61%	26992	62%	**8	100%
ADI AS 30	<<locked>>	62%	26658	61%	**1	100%
ADI AS 50N	<<locked>>	60%	27311	63%	**40	100%
Accurate No. 2	<<locked>>	61%	25396	58%	**83	100%
[Accurate No. 7]*	<<locked>>	61%	22292	51%	**35	84%
[Accurate No. 9]*	<<locked>>	72%	25005	57%	**84	80%
Accurate Solo 1000	<<locked>>	61%	26585	61%	**17	100%
Accurate Solo 1250	<<locked>>	60%	22292	51%	**04	100%
[Accurate TCM]*	<<locked>>	69%	22800	52%	**35	80%
[Alliant 2400]*	<<locked>>	87%	29544	68%	**73	80%
[Alliant BLUE DOT]*	<<locked>>	73%	19450	45%	**60	80%
Alliant BULLSEYE	<<locked>>	61%	28892	66%	**55	100%
Alliant POWER PISTOL	<<locked>>	62%	22292	51%	**22	93%
Alliant Sport Pistol	<<locked>>	60%	32198	74%	**04	100%
Alliant UNIQUE	<<locked>>	61%	22843	52%	**70	100%
Baschieri & Pellagri 100	<<locked>>	60%	24743	57%	**01	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	65%	18217	42%	**9	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	61%	27340	63%	**60	100%
Hodgdon Clays	<<locked>>	60%	27920	64%	**1	100%
Hodgdon HS-6	<<locked>>	61%	32735	75%	**47	100%
Hodgdon Longshot	<<locked>>	61%	36303	83%	**80	100%
Hodgdon Universal	<<locked>>	61%	27021	62%	**86	100%
Hodgdon CFE Pistol	<<locked>>	61%	25324	58%	**60	100%
[Lovex D037.1]*	<<locked>>	61%	22292	51%	**35	84%
[Lovex D037.2]*	<<locked>>	71%	25005	57%	**84	80%
Lovex S011	<<locked>>	61%	33228	76%	**22	100%
Lovex S020	<<locked>>	61%	26716	61%	**02	100%
Maxam CSB 1	<<locked>>	61%	21379	49%	**8	100%
Maxam CSB 2	<<locked>>	61%	23221	53%	**24	100%
Maxam CSB 3	<<locked>>	61%	24163	56%	**10	100%
Maxam CSB 4	<<locked>>	60%	25425	58%	**10	100%
Maxam CSB 5	<<locked>>	61%	28660	66%	**10	100%
[Ramshot Enforcer]*	<<locked>>	87%	28108	65%	**66	81%
Ramshot Silhouette	<<locked>>	61%	32300	74%	**07	100%
ReloadSwiss RS 12	<<locked>>	60%	29675	68%	**89	100%
ReloadSwiss RS 20	<<locked>>	60%	20740	48%	**40	100%
[ReloadSwiss RS 24]*	<<locked>>	60%	19131	44%	**53	84%
Rottweil P 801	<<locked>>	61%	33765	78%	**09	100%
Rottweil P 806	<<locked>>	61%	15563	36%	**14	93%
SNPE Vectan A0	<<locked>>	61%	21393	49%	**14	100%
SNPE Vectan BA 9	<<locked>>	61%	25715	59%	**56	100%
SNPE Vectan BA10	<<locked>>	61%	29834	69%	**4	100%
SNPE Vectan BA7 1/2	<<locked>>	61%	18086	42%	**4	96%
SNPE Vectan BA9 1/2	<<locked>>	61%	25034	58%	**50	100%
SNPE Vectan SP 2	<<locked>>	61%	23714	55%	**65	96%
[Shooters World Heavy Pistol]*	<<locked>>	71%	25005	57%	**84	80%
[Shooters World Major Pistol]*	<<locked>>	61%	22292	51%	**35	84%
Somchem MP200	<<locked>>	61%	26049	60%	**12	100%
Somchem MS200	<<locked>>	60%	23221	53%	**50	100%
Somchem S221	<<locked>>	61%	29022	67%	**20	95%
Vihtavuori 3N37	<<locked>>	61%	20581	47%	**56	98%
[Vihtavuori 3N38]*	<<locked>>	63%	15214	35%	**5	81%
[Vihtavuori N105]*	<<locked>>	65%	12807	29%	**8	81%
Vihtavuori N310	<<locked>>	60%	36666	84%	**63	100%
Vihtavuori N320	<<locked>>	62%	27630	64%	**43	100%
Vihtavuori N32C Tin Star	<<locked>>	77%	23612	54%	**5	100%
Vihtavuori N330	<<locked>>	60%	24874	57%	**63	100%
Vihtavuori N340	<<locked>>	61%	22713	52%	**53	100%
Vihtavuori N350	<<locked>>	61%	19189	44%	**27	98%
Winchester 231	<<locked>>	60%	34447	79%	**55	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