Load data for .357 Magnum + .357 | 170gr | Sierra FMJ RN SportsMaster

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Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.357 \| 170gr \| Sierra FMJ RN SportsMaster
Manufacturer SKU:	8350
Bullet Weight:	170gr \| 11.0g
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_B5949_C513
Last updated:	2026-01-20

Load data for 128 loads in caliber .357 Magnum with .357 | 170gr | Sierra FMJ RN SportsMaster bullet and 64 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>>	96%	35998	83%	**30	99%
ADI AP 70N	<<locked>>	68%	37942	87%	**35	100%
ADI APS 350	<<locked>>	76%	38363	88%	**1	100%
ADI APS 450	<<locked>>	76%	37565	86%	**04	100%
ADI AS 30	<<locked>>	79%	39073	90%	**53	100%
ADI AS 50N	<<locked>>	75%	38450	88%	**86	100%
Accurate No. 2	<<locked>>	75%	37449	86%	**52	100%
Accurate No. 7	<<locked>>	77%	37898	87%	**06	94%
[Accurate No. 9]*	<<locked>>	86%	39015	90%	**99	88%
Accurate Solo 1000	<<locked>>	78%	39117	90%	**83	100%
Accurate Solo 1250	<<locked>>	83%	38986	90%	**29	100%
Accurate TCM	<<locked>>	86%	39030	90%	**99	90%
[Alliant 2400]*	<<locked>>	97%	36854	85%	**99	85%
Alliant BLUE DOT	<<locked>>	96%	34722	80%	**53	91%
Alliant BULLSEYE	<<locked>>	73%	38972	90%	**98	100%
Alliant POWER PISTOL	<<locked>>	82%	39117	90%	**99	99%
Alliant Sport Pistol	<<locked>>	67%	37840	87%	**88	100%
Alliant UNIQUE	<<locked>>	82%	38479	88%	**98	100%
Baschieri & Pellagri 100	<<locked>>	79%	38957	90%	**79	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	97%	37927	87%	**86	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	73%	38421	88%	**99	100%
Hodgdon Clays	<<locked>>	76%	39073	90%	**01	100%
Hodgdon HS-6	<<locked>>	67%	38276	88%	**27	100%
Hodgdon Longshot	<<locked>>	64%	37565	86%	**17	100%
Hodgdon Universal	<<locked>>	75%	37942	87%	**35	100%
Hodgdon CFE Pistol	<<locked>>	78%	39088	90%	**45	100%
Lovex D037.1	<<locked>>	77%	37898	87%	**06	94%
[Lovex D037.2]*	<<locked>>	86%	39015	90%	**99	88%
Lovex S011	<<locked>>	68%	38885	89%	**06	100%
Lovex S020	<<locked>>	75%	38754	89%	**61	100%
Maxam CSB 1	<<locked>>	85%	38406	88%	**22	100%
Maxam CSB 2	<<locked>>	81%	38189	88%	**22	100%
Maxam CSB 3	<<locked>>	80%	37608	86%	**96	100%
Maxam CSB 4	<<locked>>	77%	37681	87%	**79	100%
Maxam CSB 5	<<locked>>	73%	38203	88%	**37	100%
[Ramshot Enforcer]*	<<locked>>	97%	36129	83%	**06	86%
Ramshot Silhouette	<<locked>>	68%	38537	89%	**98	100%
Ramshot True Blue	<<locked>>	63%	38116	88%	**20	100%
ReloadSwiss RS 12	<<locked>>	70%	37927	87%	**02	100%
ReloadSwiss RS 20	<<locked>>	83%	37739	87%	**81	100%
ReloadSwiss RS 24	<<locked>>	85%	39160	90%	**06	96%
Rottweil P 801	<<locked>>	67%	38972	90%	**86	100%
Rottweil P 806	<<locked>>	88%	37449	86%	**99	100%
SNPE Vectan A0	<<locked>>	85%	38058	87%	**48	100%
SNPE Vectan BA 9	<<locked>>	77%	37782	87%	**22	100%
SNPE Vectan BA10	<<locked>>	71%	37550	86%	**04	100%
SNPE Vectan BA7 1/2 👍	<<locked>>	90%	38667	89%	**17	100%
SNPE Vectan BA9 1/2	<<locked>>	78%	38725	89%	**35	100%
SNPE Vectan SP 2 👍	<<locked>>	77%	38580	89%	**99	100%
[Shooters World Heavy Pistol]*	<<locked>>	86%	39015	90%	**99	88%
Shooters World Major Pistol	<<locked>>	77%	37898	87%	**06	94%
Somchem MP200	<<locked>>	75%	38101	88%	**88	100%
Somchem MS200	<<locked>>	79%	37550	86%	**58	100%
Somchem S221	<<locked>>	70%	38363	88%	**73	98%
Vihtavuori 3N37 👍	<<locked>>	83%	38406	88%	**34	100%
Vihtavuori 3N38	<<locked>>	95%	37768	87%	**73	96%
Vihtavuori N105	<<locked>>	96%	30792	71%	**40	98%
Vihtavuori N310	<<locked>>	62%	37710	87%	**04	100%
Vihtavuori N320	<<locked>>	74%	37478	86%	**76	100%
Vihtavuori N32C Tin Star	<<locked>>	97%	34621	80%	**8	100%
Vihtavuori N330	<<locked>>	76%	37536	86%	**32	100%
Vihtavuori N340	<<locked>>	80%	37913	87%	**61	100%
Vihtavuori N350 👍	<<locked>>	86%	38522	89%	**27	100%
Winchester 231	<<locked>>	65%	38551	89%	**22	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AP 100	<<locked>>	68%	17550	40%	**2	90%
ADI AP 70N	<<locked>>	61%	31154	72%	**63	100%
ADI APS 350	<<locked>>	68%	32721	75%	**8	100%
ADI APS 450	<<locked>>	67%	30560	70%	**5	100%
ADI AS 30	<<locked>>	63%	26861	62%	**5	100%
ADI AS 50N	<<locked>>	60%	26469	61%	**1	100%
Accurate No. 2	<<locked>>	62%	25237	58%	**14	100%
[Accurate No. 7]*	<<locked>>	62%	21451	49%	**56	84%
[Accurate No. 9]*	<<locked>>	74%	25353	58%	**19	81%
Accurate Solo 1000	<<locked>>	61%	25498	59%	**8	100%
Accurate Solo 1250	<<locked>>	61%	21466	49%	**2	100%
[Accurate TCM]*	<<locked>>	71%	23308	54%	**73	81%
[Alliant 2400]*	<<locked>>	89%	29254	67%	**94	80%
[Alliant BLUE DOT]*	<<locked>>	74%	19116	44%	**1	80%
Alliant BULLSEYE	<<locked>>	62%	28790	66%	**79	100%
Alliant POWER PISTOL	<<locked>>	61%	20697	48%	**27	92%
Alliant Sport Pistol	<<locked>>	60%	31256	72%	**12	100%
Alliant UNIQUE	<<locked>>	62%	22481	52%	**7	100%
Baschieri & Pellagri 100	<<locked>>	61%	24018	55%	**5	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	74%	22205	51%	**9	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	61%	26411	61%	**1	100%
Hodgdon Clays	<<locked>>	66%	31314	72%	**5	100%
Hodgdon HS-6	<<locked>>	61%	30980	71%	**48	100%
Hodgdon Longshot	<<locked>>	61%	34650	80%	**84	100%
Hodgdon Universal	<<locked>>	60%	25251	58%	**4	100%
Hodgdon CFE Pistol	<<locked>>	61%	24134	55%	**8	100%
[Lovex D037.1]*	<<locked>>	62%	21451	49%	**56	84%
[Lovex D037.2]*	<<locked>>	73%	25353	58%	**19	81%
Lovex S011	<<locked>>	60%	31604	73%	**33	100%
Lovex S020	<<locked>>	61%	25338	58%	**14	100%
Maxam CSB 1	<<locked>>	63%	21770	50%	**2	100%
Maxam CSB 2	<<locked>>	61%	22495	52%	**8	100%
Maxam CSB 3	<<locked>>	61%	23250	53%	**2	100%
Maxam CSB 4	<<locked>>	62%	25918	60%	**1	100%
Maxam CSB 5	<<locked>>	60%	27485	63%	**8	100%
[Ramshot Enforcer]*	<<locked>>	89%	27615	63%	**84	80%
Ramshot Silhouette	<<locked>>	61%	30995	71%	**15	100%
Ramshot True Blue	<<locked>>	61%	35012	80%	**84	100%
ReloadSwiss RS 12	<<locked>>	61%	29443	68%	**20	100%
ReloadSwiss RS 20	<<locked>>	61%	20334	47%	**1	100%
[ReloadSwiss RS 24]*	<<locked>>	61%	18333	42%	**8	84%
Rottweil P 801	<<locked>>	60%	32213	74%	**20	100%
Rottweil P 806	<<locked>>	62%	15214	35%	**8	94%
SNPE Vectan A0	<<locked>>	60%	20044	46%	**5	100%
SNPE Vectan BA 9	<<locked>>	61%	24613	57%	**4	100%
SNPE Vectan BA10	<<locked>>	62%	30560	70%	**5	100%
SNPE Vectan BA7 1/2	<<locked>>	62%	18188	42%	**5	96%
SNPE Vectan BA9 1/2	<<locked>>	62%	24685	57%	**8	100%
SNPE Vectan SP 2	<<locked>>	61%	22597	52%	**76	96%
[Shooters World Heavy Pistol]*	<<locked>>	73%	25353	58%	**19	81%
[Shooters World Major Pistol]*	<<locked>>	62%	21451	49%	**56	84%
Somchem MP200	<<locked>>	61%	25077	58%	**30	100%
Somchem MS200	<<locked>>	61%	22887	53%	**1	100%
Somchem S221	<<locked>>	61%	27760	64%	**32	94%
Vihtavuori 3N37	<<locked>>	61%	19943	46%	**1	98%
[Vihtavuori 3N38]*	<<locked>>	67%	16462	38%	**2	83%
[Vihtavuori N105]*	<<locked>>	71%	14591	34%	**2	85%
Vihtavuori N310	<<locked>>	60%	35737	82%	**8	100%
Vihtavuori N320	<<locked>>	62%	26818	62%	**8	100%
Vihtavuori N32C Tin Star	<<locked>>	87%	28558	66%	**8	100%
Vihtavuori N330	<<locked>>	61%	24279	56%	**8	100%
Vihtavuori N340	<<locked>>	62%	22655	52%	**1	100%
Vihtavuori N350	<<locked>>	61%	18347	42%	**1	98%
Winchester 231	<<locked>>	61%	33605	77%	**70	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