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

Recommended Powder(s):

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:	2026-01-21

Load data for 122 loads in caliber .357 Magnum with .358 | 125gr | Rim Rock TC Top Shelf bullet and 61 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%	26121	60%	**43	90%
ADI AP 70N	<<locked>>	78%	37594	86%	**35	100%
ADI APS 350	<<locked>>	82%	37637	87%	**35	100%
ADI APS 450	<<locked>>	86%	38841	89%	**91	100%
ADI AS 30	<<locked>>	89%	38957	90%	**37	100%
ADI AS 50N	<<locked>>	84%	37420	86%	**73	100%
Accurate No. 2	<<locked>>	84%	37275	86%	**29	100%
Accurate No. 5	<<locked>>	71%	38653	89%	**44	97%
[Accurate No. 7]*	<<locked>>	89%	38696	89%	**80	86%
Accurate Solo 1000	<<locked>>	88%	39088	90%	**66	100%
Accurate Solo 1250	<<locked>>	93%	37797	87%	**19	100%
Alliant BULLSEYE	<<locked>>	82%	37797	87%	**85	100%
Alliant POWER PISTOL	<<locked>>	94%	38464	88%	**83	95%
Alliant Sport Pistol	<<locked>>	77%	38450	88%	**01	100%
Alliant UNIQUE 👍	<<locked>>	95%	38261	88%	**04	100%
Baschieri & Pellagri 100	<<locked>>	89%	38276	88%	**63	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	95%	26847	62%	**61	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	84%	39088	90%	**99	100%
Hodgdon Clays	<<locked>>	82%	38247	88%	**58	100%
Hodgdon HP38	<<locked>>	67%	39146	90%	**12	100%
Hodgdon HS-6	<<locked>>	77%	38290	88%	**17	98%
Hodgdon Longshot	<<locked>>	73%	37695	87%	**04	99%
Hodgdon Universal	<<locked>>	87%	37594	86%	**35	100%
Hodgdon CFE Pistol	<<locked>>	90%	39044	90%	**42	100%
Lovex D036	<<locked>>	71%	38595	89%	**44	97%
[Lovex D037.1]*	<<locked>>	89%	38696	89%	**80	86%
Lovex S011	<<locked>>	76%	38798	89%	**93	100%
Lovex S020	<<locked>>	86%	39015	90%	**65	100%
Maxam CSB 1	<<locked>>	96%	37057	85%	**09	100%
Maxam CSB 2	<<locked>>	96%	39059	90%	**42	100%
Maxam CSB 3	<<locked>>	92%	38435	88%	**99	100%
Maxam CSB 4	<<locked>>	89%	39001	90%	**80	100%
Maxam CSB 5	<<locked>>	82%	37826	87%	**20	100%
Ramshot Silhouette	<<locked>>	78%	38798	89%	**01	100%
Ramshot True Blue	<<locked>>	72%	38145	88%	**04	99%
Ramshot Zip	<<locked>>	66%	37550	86%	**02	100%
ReloadSwiss RS 12	<<locked>>	83%	39030	90%	**29	100%
ReloadSwiss RS 20 👍	<<locked>>	95%	37043	85%	**88	100%
[ReloadSwiss RS 24]*	<<locked>>	97%	38812	89%	**67	89%
Rottweil P 801	<<locked>>	77%	38972	90%	**86	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>>	96%	32764	75%	**25	98%
SNPE Vectan BA9 1/2	<<locked>>	90%	39131	90%	**42	100%
SNPE Vectan SP 2	<<locked>>	90%	37927	87%	**99	97%
Shooters World Auto Pistol	<<locked>>	71%	38595	89%	**44	97%
[Shooters World Major Pistol]*	<<locked>>	89%	38696	89%	**80	86%
Somchem MP200	<<locked>>	87%	38203	88%	**91	100%
Somchem MS200 👍	<<locked>>	91%	37913	87%	**58	100%
Somchem S221	<<locked>>	81%	37536	86%	**34	92%
Vihtavuori 3N37 👍	<<locked>>	95%	38232	88%	**27	100%
[Vihtavuori 3N38]*	<<locked>>	97%	26614	61%	**76	84%
Vihtavuori N310	<<locked>>	70%	37318	86%	**81	100%
Vihtavuori N320	<<locked>>	86%	38276	88%	**80	100%
Vihtavuori N32C Tin Star	<<locked>>	95%	25237	58%	**66	100%
Vihtavuori N330	<<locked>>	87%	37159	85%	**35	100%
Vihtavuori N340 👍	<<locked>>	92%	38174	88%	**65	100%
Vihtavuori N350	<<locked>>	97%	36289	83%	**01	99%
Winchester 231	<<locked>>	74%	37550	86%	**02	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>>	79%	26861	62%	**09	80%
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 Sport Pistol	<<locked>>	61%	23728	55%	**84	99%
Alliant UNIQUE	<<locked>>	61%	15737	36%	**24	96%
Baschieri & Pellagri 100	<<locked>>	61%	18463	42%	**01	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	69%	13880	32%	**8	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	61%	19218	44%	**47	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 CFE Pistol	<<locked>>	61%	17434	40%	**33	100%
Lovex D036	<<locked>>	60%	26513	61%	**57	92%
[Lovex D037.1]*	<<locked>>	79%	26861	62%	**09	80%
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 20	<<locked>>	61%	13793	32%	**8	96%
[ReloadSwiss RS 24]*	<<locked>>	80%	23511	54%	**30	80%
Rottweil P 801	<<locked>>	60%	23583	54%	**06	100%
[Rottweil P 806]*	<<locked>>	71%	11821	27%	**17	81%
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>>	63%	13300	31%	**8	84%
SNPE Vectan BA9 1/2	<<locked>>	61%	17970	41%	**37	100%
[SNPE Vectan SP 2]*	<<locked>>	60%	14330	33%	**43	80%
Shooters World Auto Pistol	<<locked>>	60%	26513	61%	**57	92%
[Shooters World Major Pistol]*	<<locked>>	79%	26861	62%	**09	80%
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>>	90%	21959	50%	**94	80%
Vihtavuori N310	<<locked>>	61%	28892	66%	**89	100%
Vihtavuori N320	<<locked>>	60%	18652	43%	**27	100%
Vihtavuori N32C Tin Star	<<locked>>	76%	16302	37%	**2	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