Load data for .357 Magnum + .358 | 125gr | Rim Rock TC Top Shelf

Recommended Powder(s): Alliant UNIQUE, Ramshot True Blue, ReloadSwiss RS 20, SNPE Vectan A0, Vihtavuori N340

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.358 \| 125gr \| Rim Rock TC Top Shelf
Manufacturer SKU:	#321
Bullet Weight:	125gr \| 8.1g
Bullet Diameter:	0.358" \| 9.09mm
Bullet Length:	0.541" \| 13.7mm
Caliber:	.357 Magnum load data
Case Length (l3):	1.290" \| 32.8mm
Cartridge Length (C.O.L.):	1.309" \| 33.2mm
Seated Depth:	0.522" \| 13.3mm
Shank Seated Depth:	0.522" \| 13.3mm
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_B10548_C513
Last updated:	2025-01-01

Load data for 116 loads in caliber .357 Magnum with .358 | 125gr | Rim Rock TC Top Shelf bullet and 58 powders such as Alliant UNIQUE, Ramshot True Blue, ReloadSwiss RS 20, SNPE Vectan A0, 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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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%	26121	60%	**43	90%
ADI AP 70N	<<locked>>	76%	35679	82%	**16	100%
ADI APS 350	<<locked>>	82%	37637	87%	**35	100%
ADI APS 450	<<locked>>	86%	38841	89%	**91	100%
ADI AS 30	<<locked>>	87%	36767	85%	**17	100%
ADI AS 50N	<<locked>>	84%	37420	86%	**73	100%
Accurate No. 2	<<locked>>	82%	35244	81%	**06	100%
Accurate No. 5	<<locked>>	71%	38653	89%	**44	97%
[Accurate No. 7]*	<<locked>>	88%	36767	84%	**60	86%
Accurate Solo 1000	<<locked>>	86%	37057	85%	**47	100%
Accurate Solo 1250	<<locked>>	93%	37797	87%	**19	100%
Alliant BULLSEYE	<<locked>>	82%	37797	87%	**85	100%
Alliant POWER PISTOL	<<locked>>	92%	36825	85%	**67	95%
Alliant UNIQUE 👍	<<locked>>	95%	38261	88%	**04	100%
Baschieri & Pellagri 100	<<locked>>	89%	38276	88%	**63	100%
Hodgdon Clays	<<locked>>	82%	38247	88%	**58	100%
Hodgdon HP38	<<locked>>	65%	37159	85%	**93	100%
Hodgdon HS-6	<<locked>>	77%	38290	88%	**17	98%
Hodgdon Longshot	<<locked>>	72%	35810	82%	**88	99%
Hodgdon Universal	<<locked>>	87%	37594	86%	**35	100%
Hodgdon TrailBoss	<<locked>>	93%	10776	25%	**7	100%
Lovex D036	<<locked>>	71%	38595	89%	**44	97%
[Lovex D037.1]*	<<locked>>	88%	36767	84%	**60	86%
Lovex S011	<<locked>>	76%	38798	89%	**93	100%
Lovex S020	<<locked>>	84%	37043	85%	**45	100%
Maxam CSB 1	<<locked>>	94%	35215	81%	**83	100%
Maxam CSB 2	<<locked>>	96%	39059	90%	**42	100%
Maxam CSB 3	<<locked>>	90%	36680	84%	**76	100%
Maxam CSB 4	<<locked>>	89%	39001	90%	**80	100%
Maxam CSB 5	<<locked>>	80%	35752	82%	**94	100%
Ramshot Silhouette	<<locked>>	77%	37275	86%	**81	100%
Ramshot True Blue 👍	<<locked>>	72%	38145	88%	**04	99%
Ramshot Zip	<<locked>>	64%	35824	82%	**86	100%
ReloadSwiss RS 12	<<locked>>	81%	36941	85%	**02	100%
ReloadSwiss RS 14	<<locked>>	91%	9224	21%	**1	99%
ReloadSwiss RS 20 👍	<<locked>>	93%	35201	81%	**65	100%
[ReloadSwiss RS 24]*	<<locked>>	97%	38812	89%	**67	89%
Rottweil P 801	<<locked>>	76%	37043	85%	**70	100%
Rottweil P 806	<<locked>>	96%	29327	67%	**11	97%
SNPE Vectan A0 👍	<<locked>>	95%	36941	85%	**35	100%
SNPE Vectan BA 9	<<locked>>	88%	39073	90%	**29	100%
SNPE Vectan BA10	<<locked>>	80%	38827	89%	**88	100%
SNPE Vectan BA7 1/2	<<locked>>	94%	31299	72%	**09	97%
SNPE Vectan BA9 1/2	<<locked>>	90%	39131	90%	**42	100%
Shooters World Auto Pistol	<<locked>>	71%	38595	89%	**44	97%
[Shooters World Major Pistol]*	<<locked>>	88%	36767	84%	**60	86%
Somchem MP200	<<locked>>	87%	38203	88%	**91	100%
Somchem MS200	<<locked>>	89%	36056	83%	**39	100%
Somchem S221	<<locked>>	79%	35940	83%	**17	92%
Vihtavuori 3N37	<<locked>>	93%	36216	83%	**98	99%
[Vihtavuori 3N38]*	<<locked>>	95%	25382	58%	**57	83%
Vihtavuori N310	<<locked>>	70%	37318	86%	**81	100%
Vihtavuori N320	<<locked>>	83%	35926	83%	**57	100%
Vihtavuori N32C Tin Star	<<locked>>	93%	23844	55%	**50	100%
Vihtavuori N330	<<locked>>	85%	35273	81%	**16	100%
Vihtavuori N340 👍	<<locked>>	90%	36390	84%	**48	100%
Vihtavuori N350	<<locked>>	95%	34751	80%	**75	99%
Winchester 231	<<locked>>	72%	35824	82%	**86	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	77%	15853	36%	**24	81%
ADI AP 70N	<<locked>>	61%	23003	53%	**45	100%
ADI APS 350	<<locked>>	60%	22278	51%	**1	100%
ADI APS 450	<<locked>>	60%	21147	49%	**8	100%
ADI AS 30	<<locked>>	60%	19566	45%	**4	100%
ADI AS 50N	<<locked>>	61%	20508	47%	**43	100%
Accurate No. 2	<<locked>>	61%	18449	42%	**47	95%
Accurate No. 5	<<locked>>	60%	26556	61%	**57	92%
[Accurate No. 7]*	<<locked>>	81%	27920	64%	**25	81%
Accurate Solo 1000	<<locked>>	61%	20204	46%	**20	100%
Accurate Solo 1250	<<locked>>	61%	16099	37%	**4	100%
Alliant BULLSEYE	<<locked>>	61%	21422	49%	**38	99%
[Alliant POWER PISTOL]*	<<locked>>	65%	16752	38%	**76	81%
Alliant UNIQUE	<<locked>>	61%	15737	36%	**24	96%
Baschieri & Pellagri 100	<<locked>>	61%	18463	42%	**01	100%
Hodgdon Clays	<<locked>>	60%	22466	52%	**8	100%
Hodgdon HP38	<<locked>>	62%	33330	77%	**50	100%
Hodgdon HS-6	<<locked>>	60%	21712	50%	**61	92%
Hodgdon Longshot	<<locked>>	61%	24468	56%	**17	95%
Hodgdon Universal	<<locked>>	61%	19072	44%	**70	100%
Hodgdon TrailBoss	<<locked>>	69%	6556	15%	**9	98%
Lovex D036	<<locked>>	60%	26513	61%	**57	92%
[Lovex D037.1]*	<<locked>>	81%	27920	64%	**25	81%
Lovex S011	<<locked>>	60%	24149	56%	**12	100%
Lovex S020	<<locked>>	61%	17912	41%	**56	99%
Maxam CSB 1	<<locked>>	62%	15389	35%	**4	99%
Maxam CSB 2	<<locked>>	60%	14794	34%	**1	100%
Maxam CSB 3	<<locked>>	61%	17782	41%	**07	100%
Maxam CSB 4	<<locked>>	60%	18826	43%	**10	100%
Maxam CSB 5	<<locked>>	60%	21292	49%	**10	100%
Ramshot Silhouette	<<locked>>	61%	22437	52%	**65	98%
Ramshot True Blue	<<locked>>	61%	26252	60%	**37	96%
Ramshot Zip	<<locked>>	61%	32285	74%	**43	100%
ReloadSwiss RS 12	<<locked>>	61%	20508	47%	**89	100%
ReloadSwiss RS 14	<<locked>>	75%	6918	16%	**9	96%
ReloadSwiss RS 20	<<locked>>	61%	13793	32%	**8	96%
[ReloadSwiss RS 24]*	<<locked>>	82%	24656	57%	**50	81%
Rottweil P 801	<<locked>>	60%	23583	54%	**06	100%
[Rottweil P 806]*	<<locked>>	72%	12560	29%	**40	83%
SNPE Vectan A0	<<locked>>	61%	15432	35%	**4	95%
SNPE Vectan BA 9	<<locked>>	61%	18594	43%	**33	100%
SNPE Vectan BA10	<<locked>>	61%	24105	55%	**14	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	61%	12618	29%	**5	83%
SNPE Vectan BA9 1/2	<<locked>>	61%	17970	41%	**37	100%
Shooters World Auto Pistol	<<locked>>	60%	26513	61%	**57	92%
[Shooters World Major Pistol]*	<<locked>>	81%	27920	64%	**25	81%
Somchem MP200	<<locked>>	61%	18347	42%	**70	96%
Somchem MS200	<<locked>>	60%	16636	38%	**17	97%
[Somchem S221]*	<<locked>>	61%	19305	44%	**22	80%
[Vihtavuori 3N37]*	<<locked>>	62%	13953	32%	**8	87%
[Vihtavuori 3N38]*	<<locked>>	92%	23322	54%	**20	81%
Vihtavuori N310	<<locked>>	61%	28892	66%	**89	100%
Vihtavuori N320	<<locked>>	60%	18652	43%	**27	100%
Vihtavuori N32C Tin Star	<<locked>>	60%	10457	24%	**4	100%
Vihtavuori N330	<<locked>>	60%	16563	38%	**37	100%
Vihtavuori N340	<<locked>>	61%	15925	37%	**07	96%
[Vihtavuori N350]*	<<locked>>	62%	12792	29%	**5	85%
Winchester 231	<<locked>>	61%	25817	59%	**61	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