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

Recommended Powder(s): ADI AP 100, ReloadSwiss RS 24

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:	0.666" \| 16.9mm
Caliber:	.357 Maximum load data
Case Length (l3):	1.600" \| 40.6mm
Cartridge Length (C.O.L.):	1.960" \| 49.8mm
Seated Depth:	0.306" \| 7.8mm
Shank Seated Depth:	0.306" \| 7.8mm
Case Capacity:	33.6 Grains of Water \| 2.18 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	44962 psi \| 3100 bar
LID:	LID_B5947_C515
Last updated:	2025-02-02

Load data for 108 loads in caliber .357 Maximum with .357 | 158gr | Sierra JHC SportsMaster bullet and 54 powders such as ADI AP 100, ReloadSwiss RS 24. 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>>	83%	38943	87%	**44	100%
ADI APS 350	<<locked>>	69%	38638	86%	**71	100%
ADI APS 450	<<locked>>	71%	39349	88%	**04	100%
ADI AS 30	<<locked>>	69%	38493	86%	**20	100%
ADI AS 50N	<<locked>>	66%	39378	88%	**73	100%
[Accurate 4100]*	<<locked>>	85%	39769	88%	**22	88%
Accurate No. 2	<<locked>>	65%	39059	87%	**52	100%
Accurate No. 7	<<locked>>	65%	39943	89%	**19	98%
Accurate No. 9	<<locked>>	72%	39204	87%	**12	93%
Accurate Solo 1000	<<locked>>	68%	38334	85%	**47	100%
Accurate Solo 1250	<<locked>>	71%	39726	88%	**09	100%
Accurate TCM	<<locked>>	72%	39392	88%	**03	94%
Alliant 2400	<<locked>>	81%	39305	87%	**29	91%
Alliant BLUE DOT	<<locked>>	83%	38841	86%	**96	96%
Alliant POWER PISTOL	<<locked>>	69%	40118	89%	**06	100%
Alliant UNIQUE	<<locked>>	69%	38653	86%	**68	100%
Baschieri & Pellagri 100	<<locked>>	69%	40089	89%	**70	100%
Hodgdon Clays	<<locked>>	69%	39711	88%	**88	100%
[Hodgdon H110]*	<<locked>>	90%	39204	87%	**32	83%
Hodgdon LilGun	<<locked>>	91%	38653	86%	**68	90%
Hodgdon Universal	<<locked>>	65%	39769	88%	**25	100%
Hodgdon TrailBoss	<<locked>>	96%	21524	48%	**8	100%
Lovex D037.1	<<locked>>	65%	39943	89%	**19	98%
Lovex D037.2	<<locked>>	72%	40147	89%	**22	94%
Lovex S020	<<locked>>	63%	38798	86%	**35	100%
Maxam CSB 1	<<locked>>	74%	39566	88%	**09	100%
Maxam CSB 2	<<locked>>	69%	39001	87%	**93	100%
Maxam CSB 3	<<locked>>	70%	38914	87%	**83	100%
Maxam CSB 4	<<locked>>	68%	38798	86%	**63	100%
Maxam CSB 5	<<locked>>	65%	39436	88%	**24	100%
Ramshot Enforcer	<<locked>>	81%	38972	87%	**29	91%
ReloadSwiss RS 14	<<locked>>	94%	19711	44%	**1	100%
ReloadSwiss RS 20	<<locked>>	70%	39320	87%	**58	100%
ReloadSwiss RS 24 👍	<<locked>>	70%	38653	86%	**96	99%
Rottweil P 806	<<locked>>	72%	39189	87%	**63	100%
SNPE Vectan A0	<<locked>>	73%	38638	86%	**39	100%
SNPE Vectan BA 9	<<locked>>	68%	40248	90%	**25	100%
SNPE Vectan BA10	<<locked>>	66%	39334	87%	**04	100%
[SNPE Vectan BA6 1/2]*	<<locked>>	97%	27630	61%	**29	87%
SNPE Vectan BA7 1/2	<<locked>>	77%	39102	87%	**98	100%
SNPE Vectan BA9 1/2	<<locked>>	67%	38696	86%	**06	100%
Shooters World Heavy Pistol	<<locked>>	72%	40147	89%	**22	94%
Shooters World Major Pistol	<<locked>>	65%	39943	89%	**19	98%
Somchem MP200	<<locked>>	64%	38638	86%	**62	100%
Somchem MS200	<<locked>>	69%	39436	88%	**55	100%
Vihtavuori 3N37	<<locked>>	70%	38754	86%	**14	100%
Vihtavuori 3N38	<<locked>>	80%	39697	88%	**96	99%
Vihtavuori N105	<<locked>>	84%	39334	87%	**12	100%
[Vihtavuori N110]*	<<locked>>	96%	34258	76%	**63	88%
Vihtavuori N320	<<locked>>	65%	39015	87%	**60	100%
Vihtavuori N32C Tin Star	<<locked>>	89%	38943	87%	**91	100%
Vihtavuori N330	<<locked>>	66%	40292	90%	**22	100%
Vihtavuori N340	<<locked>>	69%	39421	88%	**55	100%
Vihtavuori N350	<<locked>>	74%	40147	89%	**17	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AP 100	<<locked>>	61%	20958	47%	**45	96%
ADI APS 350	<<locked>>	61%	32372	72%	**93	100%
ADI APS 450	<<locked>>	61%	31372	70%	**06	100%
ADI AS 30	<<locked>>	61%	32198	72%	**45	100%
ADI AS 50N	<<locked>>	61%	35259	78%	**27	100%
[Accurate 4100]*	<<locked>>	75%	28152	63%	**32	80%
Accurate No. 2	<<locked>>	61%	34534	77%	**99	100%
Accurate No. 7	<<locked>>	61%	34751	77%	**40	96%
[Accurate No. 9]*	<<locked>>	61%	26165	58%	**89	86%
Accurate Solo 1000	<<locked>>	61%	32271	72%	**78	100%
Accurate Solo 1250	<<locked>>	61%	29602	66%	**84	100%
[Accurate TCM]*	<<locked>>	61%	26237	58%	**83	87%
[Alliant 2400]*	<<locked>>	66%	24004	53%	**60	81%
[Alliant BLUE DOT]*	<<locked>>	61%	20160	45%	**55	86%
Alliant POWER PISTOL	<<locked>>	61%	31314	70%	**71	99%
Alliant UNIQUE	<<locked>>	61%	31053	69%	**66	100%
Baschieri & Pellagri 100	<<locked>>	61%	31908	71%	**75	100%
Hodgdon Clays	<<locked>>	61%	33141	74%	**15	100%
[Hodgdon H110]*	<<locked>>	85%	33330	74%	**40	80%
[Hodgdon LilGun]*	<<locked>>	78%	24497	54%	**22	80%
Hodgdon Universal	<<locked>>	61%	35563	79%	**80	100%
Hodgdon TrailBoss	<<locked>>	61%	11023	25%	**8	100%
Lovex D037.1	<<locked>>	61%	34751	77%	**40	96%
[Lovex D037.2]*	<<locked>>	61%	26919	60%	**06	87%
Lovex S020	<<locked>>	61%	36738	82%	**06	100%
Maxam CSB 1	<<locked>>	61%	28282	63%	**65	100%
Maxam CSB 2	<<locked>>	61%	31154	69%	**98	100%
Maxam CSB 3	<<locked>>	61%	30835	69%	**81	100%
Maxam CSB 4	<<locked>>	61%	32663	73%	**81	100%
Maxam CSB 5	<<locked>>	61%	34983	78%	**75	100%
[Ramshot Enforcer]*	<<locked>>	66%	22669	50%	**27	80%
ReloadSwiss RS 14	<<locked>>	60%	10153	23%	**8	100%
ReloadSwiss RS 20	<<locked>>	61%	29762	66%	**43	100%
ReloadSwiss RS 24	<<locked>>	61%	29051	65%	**42	95%
Rottweil P 806	<<locked>>	61%	26397	59%	**86	100%
SNPE Vectan A0	<<locked>>	61%	27876	62%	**98	100%
SNPE Vectan BA 9	<<locked>>	61%	32750	73%	**34	100%
SNPE Vectan BA10	<<locked>>	61%	35317	79%	**55	100%
[SNPE Vectan BA6 1/2]*	<<locked>>	86%	20276	45%	**71	80%
SNPE Vectan BA7 1/2	<<locked>>	61%	25005	56%	**94	100%
SNPE Vectan BA9 1/2	<<locked>>	61%	32851	73%	**40	100%
[Shooters World Heavy Pistol]*	<<locked>>	61%	26919	60%	**06	87%
Shooters World Major Pistol	<<locked>>	61%	34751	77%	**40	96%
Somchem MP200	<<locked>>	61%	35012	78%	**19	100%
Somchem MS200	<<locked>>	61%	31850	71%	**60	100%
Vihtavuori 3N37	<<locked>>	61%	29907	67%	**96	100%
Vihtavuori 3N38	<<locked>>	61%	22046	49%	**81	92%
Vihtavuori N105	<<locked>>	61%	18231	41%	**38	92%
[Vihtavuori N110]*	<<locked>>	84%	23409	52%	**66	80%
Vihtavuori N320	<<locked>>	61%	34650	77%	**14	100%
Vihtavuori N32C Tin Star	<<locked>>	61%	20987	47%	**1	100%
Vihtavuori N330	<<locked>>	61%	33895	75%	**50	100%
Vihtavuori N340	<<locked>>	61%	31459	70%	**57	100%
Vihtavuori N350	<<locked>>	61%	27572	61%	**47	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