Load data for .357 Maximum + .358 | 105gr | Rim Rock TC Cowboy

Recommended Powder(s): ADI AP 100, SNPE Vectan BA7 1/2, Vihtavuori 3N37, Vihtavuori N350

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.358 \| 105gr \| Rim Rock TC Cowboy
Manufacturer SKU:	#009
Bullet Weight:	105gr \| 6.8g
Bullet Diameter:	0.358" \| 9.09mm
Bullet Length:	0.525" \| 13.3mm
Caliber:	.357 Maximum load data
Case Length (l3):	1.600" \| 40.6mm
Cartridge Length (C.O.L.):	1.960" \| 49.8mm
Seated Depth:	0.165" \| 4.2mm
Shank Seated Depth:	0.165" \| 4.2mm
Case Capacity:	33.6 Grains of Water \| 2.18 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	44962 psi \| 3100 bar
LID:	LID_B10535_C515
Last updated:	2025-01-01

Load data for 110 loads in caliber .357 Maximum with .358 | 105gr | Rim Rock TC Cowboy bullet and 55 powders such as ADI AP 100, SNPE Vectan BA7 1/2, Vihtavuori 3N37, Vihtavuori N350. 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>>	91%	39378	88%	**95	99%
ADI AP 70N	<<locked>>	64%	39798	89%	**86	100%
ADI APS 350	<<locked>>	73%	38986	87%	**96	100%
ADI APS 450	<<locked>>	74%	39407	88%	**35	100%
ADI AS 30	<<locked>>	74%	38827	86%	**68	100%
ADI AS 50N	<<locked>>	70%	39552	88%	**31	100%
Accurate No. 2	<<locked>>	70%	38464	86%	**16	100%
Accurate No. 7	<<locked>>	71%	40408	90%	**67	93%
[Accurate No. 9]*	<<locked>>	78%	39682	88%	**41	87%
Accurate Solo 1000	<<locked>>	73%	39204	87%	**08	100%
Accurate Solo 1250	<<locked>>	76%	39218	87%	**57	100%
[Accurate TCM]*	<<locked>>	78%	38725	86%	**11	87%
[Alliant 2400]*	<<locked>>	89%	39914	89%	**47	83%
Alliant BLUE DOT	<<locked>>	92%	39958	89%	**54	91%
Alliant BULLSEYE	<<locked>>	68%	40161	89%	**65	100%
Alliant POWER PISTOL	<<locked>>	75%	40350	90%	**64	98%
Alliant UNIQUE	<<locked>>	77%	40292	90%	**62	100%
Baschieri & Pellagri 100	<<locked>>	74%	40466	90%	**21	100%
Hodgdon Clays	<<locked>>	73%	39900	89%	**22	100%
Hodgdon Universal	<<locked>>	70%	39044	87%	**77	100%
Hodgdon TrailBoss	<<locked>>	95%	17898	40%	**88	100%
Lovex D037.1	<<locked>>	71%	40408	90%	**67	93%
[Lovex D037.2]*	<<locked>>	77%	39131	87%	**41	87%
Lovex S011	<<locked>>	63%	39218	87%	**47	100%
Lovex S020	<<locked>>	70%	40248	90%	**16	100%
Maxam CSB 1	<<locked>>	80%	39407	88%	**57	100%
Maxam CSB 2	<<locked>>	76%	39798	89%	**63	100%
Maxam CSB 3	<<locked>>	75%	39189	87%	**40	100%
Maxam CSB 4	<<locked>>	74%	39972	89%	**17	100%
Maxam CSB 5	<<locked>>	69%	39015	87%	**55	100%
[Ramshot Enforcer]*	<<locked>>	89%	40350	90%	**67	85%
ReloadSwiss RS 12	<<locked>>	66%	40234	89%	**44	100%
ReloadSwiss RS 14	<<locked>>	94%	16534	37%	**88	100%
ReloadSwiss RS 20	<<locked>>	76%	39204	87%	**22	100%
ReloadSwiss RS 24	<<locked>>	76%	38928	87%	**47	94%
Rottweil P 801	<<locked>>	63%	39842	89%	**17	100%
Rottweil P 806	<<locked>>	80%	40393	90%	**44	100%
SNPE Vectan A0	<<locked>>	79%	39363	88%	**09	100%
SNPE Vectan BA 9	<<locked>>	72%	39595	88%	**80	100%
SNPE Vectan BA10	<<locked>>	69%	39392	88%	**35	100%
SNPE Vectan BA7 1/2 👍	<<locked>>	83%	39363	88%	**72	100%
SNPE Vectan BA9 1/2	<<locked>>	73%	39537	88%	**83	100%
[Shooters World Heavy Pistol]*	<<locked>>	77%	39131	87%	**41	87%
Shooters World Major Pistol	<<locked>>	71%	40408	90%	**67	93%
Somchem MP200	<<locked>>	70%	39885	89%	**39	100%
Somchem MS200	<<locked>>	75%	39697	88%	**22	100%
Somchem S221	<<locked>>	64%	39102	87%	**11	97%
Vihtavuori 3N37 👍	<<locked>>	76%	39421	88%	**78	100%
Vihtavuori 3N38	<<locked>>	87%	40118	89%	**37	95%
Vihtavuori N105	<<locked>>	92%	38479	86%	**54	98%
Vihtavuori N320	<<locked>>	71%	40045	89%	**21	100%
Vihtavuori N32C Tin Star	<<locked>>	97%	40074	89%	**39	100%
Vihtavuori N330	<<locked>>	72%	40118	89%	**80	100%
Vihtavuori N340	<<locked>>	75%	39349	88%	**16	100%
Vihtavuori N350 👍	<<locked>>	80%	40147	89%	**98	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	61%	17231	38%	**06	86%
ADI AP 70N	<<locked>>	61%	36245	81%	**34	100%
ADI APS 350	<<locked>>	61%	29878	66%	**52	100%
ADI APS 450	<<locked>>	61%	29095	65%	**71	100%
ADI AS 30	<<locked>>	61%	28239	63%	**01	100%
ADI AS 50N	<<locked>>	61%	30589	68%	**93	100%
Accurate No. 2	<<locked>>	61%	29153	65%	**49	100%
[Accurate No. 7]*	<<locked>>	61%	27992	62%	**11	85%
[Accurate No. 9]*	<<locked>>	70%	28935	64%	**31	80%
Accurate Solo 1000	<<locked>>	61%	28703	64%	**40	100%
Accurate Solo 1250	<<locked>>	61%	25672	57%	**47	100%
[Accurate TCM]*	<<locked>>	68%	27224	61%	**85	80%
[Alliant 2400]*	<<locked>>	85%	35679	79%	**91	81%
[Alliant BLUE DOT]*	<<locked>>	73%	23714	53%	**99	81%
Alliant BULLSEYE	<<locked>>	61%	33025	73%	**54	100%
Alliant POWER PISTOL	<<locked>>	61%	25831	57%	**62	92%
Alliant UNIQUE	<<locked>>	61%	26005	58%	**09	100%
Baschieri & Pellagri 100	<<locked>>	61%	28181	63%	**40	100%
Hodgdon Clays	<<locked>>	61%	30487	68%	**75	100%
Hodgdon Universal	<<locked>>	61%	30487	68%	**39	100%
Hodgdon TrailBoss	<<locked>>	61%	8876	20%	**9	100%
[Lovex D037.1]*	<<locked>>	61%	27992	62%	**11	85%
[Lovex D037.2]*	<<locked>>	70%	29544	66%	**40	80%
Lovex S011	<<locked>>	61%	37434	83%	**11	100%
Lovex S020	<<locked>>	61%	31169	69%	**78	100%
Maxam CSB 1	<<locked>>	61%	23757	53%	**07	100%
Maxam CSB 2	<<locked>>	61%	26527	59%	**44	100%
Maxam CSB 3	<<locked>>	61%	27441	61%	**40	100%
Maxam CSB 4	<<locked>>	61%	29414	65%	**67	100%
Maxam CSB 5	<<locked>>	61%	31546	70%	**47	100%
[Ramshot Enforcer]*	<<locked>>	84%	33199	74%	**49	81%
ReloadSwiss RS 12	<<locked>>	61%	34780	77%	**75	100%
ReloadSwiss RS 14	<<locked>>	61%	8427	19%	**9	99%
ReloadSwiss RS 20	<<locked>>	61%	24961	56%	**90	100%
[ReloadSwiss RS 24]*	<<locked>>	61%	23438	52%	**09	85%
Rottweil P 801	<<locked>>	61%	37971	84%	**91	100%
Rottweil P 806	<<locked>>	61%	20088	45%	**30	93%
SNPE Vectan A0	<<locked>>	61%	24366	54%	**47	100%
SNPE Vectan BA 9	<<locked>>	61%	28732	64%	**03	100%
SNPE Vectan BA10	<<locked>>	61%	32387	72%	**24	100%
SNPE Vectan BA7 1/2	<<locked>>	61%	21147	47%	**01	96%
SNPE Vectan BA9 1/2	<<locked>>	61%	28195	63%	**96	100%
[Shooters World Heavy Pistol]*	<<locked>>	70%	29544	66%	**40	80%
[Shooters World Major Pistol]*	<<locked>>	61%	27992	62%	**11	85%
Somchem MP200	<<locked>>	61%	30284	67%	**85	100%
Somchem MS200	<<locked>>	61%	26992	60%	**99	100%
Somchem S221	<<locked>>	61%	34664	77%	**32	95%
Vihtavuori 3N37	<<locked>>	61%	24903	55%	**19	98%
[Vihtavuori 3N38]*	<<locked>>	64%	18956	42%	**71	81%
[Vihtavuori N105]*	<<locked>>	65%	15867	35%	**09	80%
Vihtavuori N320	<<locked>>	61%	30777	68%	**93	100%
Vihtavuori N32C Tin Star	<<locked>>	60%	17666	39%	**61	100%
Vihtavuori N330	<<locked>>	61%	29312	65%	**29	100%
Vihtavuori N340	<<locked>>	61%	26310	59%	**96	100%
Vihtavuori N350	<<locked>>	61%	22481	50%	**40	97%

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