Load data for .38-45 ACP + .358 | 125gr | Rim Rock TC Cowboy

Recommended Powder(s): none

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.358 \| 125gr \| Rim Rock TC Cowboy
Manufacturer SKU:	#012
Bullet Weight:	125gr \| 8.1g
Bullet Diameter:	0.358" \| 9.09mm
Bullet Length:	0.541" \| 13.7mm
Caliber:	.38-45 ACP load data
Case Length (l3):	0.898" \| 22.8mm
Cartridge Length (C.O.L.):	1.229" \| 31.2mm
Seated Depth:	0.210" \| 5.3mm
Shank Seated Depth:	0.210" \| 5.3mm
Case Capacity:	22.0 Grains of Water \| 1.43 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	34084 psi \| 2350 bar
LID:	LID_B10538_C596
Last updated:	2025-01-01

Load data for 98 loads in caliber .38-45 ACP with .358 | 125gr | Rim Rock TC Cowboy bullet and 49 powders such as none. 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>>	93%	29805	87%	**21	95%
ADI AP 70N	<<locked>>	63%	29834	88%	**32	100%
ADI APS 350	<<locked>>	65%	28587	84%	**22	100%
ADI APS 450	<<locked>>	69%	30168	88%	**78	100%
ADI AS 30	<<locked>>	72%	30516	90%	**27	100%
ADI AS 50N	<<locked>>	67%	29095	85%	**57	100%
Accurate No. 2	<<locked>>	70%	29066	85%	**32	100%
[Accurate No. 7]*	<<locked>>	74%	29791	87%	**70	86%
Accurate Solo 1000	<<locked>>	69%	28732	84%	**37	100%
Accurate Solo 1250	<<locked>>	77%	30603	90%	**25	100%
[Alliant BLUE DOT]*	<<locked>>	95%	29370	86%	**40	84%
Alliant BULLSEYE	<<locked>>	67%	29675	87%	**78	100%
Alliant POWER PISTOL	<<locked>>	76%	28950	85%	**50	94%
Alliant UNIQUE	<<locked>>	76%	29544	87%	**85	100%
Baschieri & Pellagri 100	<<locked>>	71%	28660	84%	**40	100%
Hodgdon Clays	<<locked>>	65%	28964	85%	**38	100%
Hodgdon HS-6	<<locked>>	63%	29472	86%	**98	98%
Hodgdon Universal	<<locked>>	70%	29834	88%	**32	100%
Hodgdon TrailBoss	<<locked>>	95%	13706	40%	**5	100%
[Lovex D037.1]*	<<locked>>	74%	29791	87%	**70	86%
Lovex S020	<<locked>>	69%	29341	86%	**42	100%
Maxam CSB 1	<<locked>>	78%	28819	85%	**93	100%
Maxam CSB 2	<<locked>>	74%	27963	82%	**93	100%
Maxam CSB 3	<<locked>>	75%	30545	90%	**96	100%
Maxam CSB 4	<<locked>>	71%	29921	88%	**66	100%
Maxam CSB 5	<<locked>>	65%	28427	83%	**91	100%
Ramshot Silhouette	<<locked>>	64%	29936	88%	**88	100%
ReloadSwiss RS 12	<<locked>>	64%	28500	84%	**83	100%
ReloadSwiss RS 14	<<locked>>	96%	12604	37%	**1	100%
ReloadSwiss RS 20	<<locked>>	79%	30501	89%	**98	100%
[ReloadSwiss RS 24]*	<<locked>>	81%	30298	89%	**60	89%
Rottweil P 806	<<locked>>	87%	30661	90%	**16	99%
SNPE Vectan A0	<<locked>>	77%	28239	83%	**12	100%
SNPE Vectan BA 9	<<locked>>	69%	28456	83%	**89	100%
SNPE Vectan BA10	<<locked>>	65%	30139	88%	**78	100%
SNPE Vectan BA7 1/2	<<locked>>	83%	28964	85%	**78	99%
SNPE Vectan BA9 1/2	<<locked>>	73%	30298	89%	**29	100%
[Shooters World Major Pistol]*	<<locked>>	74%	29791	87%	**70	86%
Somchem MP200	<<locked>>	70%	28993	85%	**58	100%
Somchem MS200	<<locked>>	74%	29269	86%	**42	100%
Somchem S221	<<locked>>	66%	29153	86%	**24	91%
Vihtavuori 3N37	<<locked>>	79%	30545	90%	**30	99%
[Vihtavuori 3N38]*	<<locked>>	91%	29631	87%	**44	89%
Vihtavuori N105	<<locked>>	95%	25309	74%	**24	91%
Vihtavuori N320	<<locked>>	68%	29037	85%	**60	100%
Vihtavuori N32C Tin Star	<<locked>>	93%	28718	84%	**81	100%
Vihtavuori N330	<<locked>>	71%	28761	84%	**22	100%
Vihtavuori N340	<<locked>>	76%	30066	88%	**58	100%
Vihtavuori N350	<<locked>>	80%	28442	83%	**91	99%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	64%	13460	40%	**33	81%
ADI AP 70N	<<locked>>	61%	27586	81%	**96	100%
ADI APS 350	<<locked>>	61%	25860	76%	**83	100%
ADI APS 450	<<locked>>	62%	24932	73%	**02	100%
ADI AS 30	<<locked>>	60%	22539	66%	**09	100%
ADI AS 50N	<<locked>>	60%	24120	71%	**81	100%
Accurate No. 2	<<locked>>	61%	21567	63%	**01	99%
[Accurate No. 7]*	<<locked>>	69%	23931	70%	**48	81%
Accurate Solo 1000	<<locked>>	62%	23641	69%	**55	100%
Accurate Solo 1250	<<locked>>	60%	18971	56%	**29	100%
[Alliant BLUE DOT]*	<<locked>>	88%	24134	71%	**42	80%
Alliant BULLSEYE	<<locked>>	61%	24831	73%	**93	100%
[Alliant POWER PISTOL]*	<<locked>>	61%	18028	53%	**94	85%
Alliant UNIQUE	<<locked>>	61%	19043	56%	**81	99%
Baschieri & Pellagri 100	<<locked>>	60%	21321	63%	**29	100%
Hodgdon Clays	<<locked>>	61%	26121	77%	**96	100%
Hodgdon HS-6	<<locked>>	61%	27427	80%	**65	97%
Hodgdon Universal	<<locked>>	61%	22974	67%	**17	100%
Hodgdon TrailBoss	<<locked>>	60%	6483	19%	**9	99%
[Lovex D037.1]*	<<locked>>	69%	23931	70%	**48	81%
Lovex S020	<<locked>>	61%	22205	65%	**24	100%
Maxam CSB 1	<<locked>>	61%	18115	53%	**06	100%
Maxam CSB 2	<<locked>>	61%	19087	56%	**45	100%
Maxam CSB 3	<<locked>>	61%	20972	62%	**42	100%
Maxam CSB 4	<<locked>>	60%	22307	65%	**48	100%
Maxam CSB 5	<<locked>>	61%	25715	75%	**52	100%
Ramshot Silhouette	<<locked>>	61%	27717	81%	**52	100%
ReloadSwiss RS 12	<<locked>>	61%	25933	76%	**40	100%
ReloadSwiss RS 14	<<locked>>	61%	6266	18%	**9	96%
ReloadSwiss RS 20	<<locked>>	61%	17564	52%	**58	100%
[ReloadSwiss RS 24]*	<<locked>>	67%	19725	58%	**37	80%
[Rottweil P 806]*	<<locked>>	61%	11734	34%	**66	84%
SNPE Vectan A0	<<locked>>	61%	18318	54%	**25	99%
SNPE Vectan BA 9	<<locked>>	61%	22017	65%	**84	100%
SNPE Vectan BA10	<<locked>>	61%	27398	80%	**38	100%
SNPE Vectan BA7 1/2	<<locked>>	62%	15490	45%	**76	90%
SNPE Vectan BA9 1/2	<<locked>>	61%	21248	62%	**75	100%
[Shooters World Major Pistol]*	<<locked>>	69%	23931	70%	**48	81%
Somchem MP200	<<locked>>	61%	22597	66%	**43	100%
Somchem MS200	<<locked>>	61%	20668	61%	**88	100%
[Somchem S221]*	<<locked>>	61%	23598	69%	**06	88%
Vihtavuori 3N37	<<locked>>	61%	17361	51%	**58	93%
[Vihtavuori 3N38]*	<<locked>>	76%	18971	56%	**20	81%
[Vihtavuori N105]*	<<locked>>	80%	15795	46%	**84	81%
Vihtavuori N320	<<locked>>	62%	23670	69%	**81	100%
Vihtavuori N32C Tin Star	<<locked>>	60%	13140	39%	**9	100%
Vihtavuori N330	<<locked>>	62%	21654	64%	**04	100%
Vihtavuori N340	<<locked>>	61%	19058	56%	**58	99%
Vihtavuori N350	<<locked>>	61%	15505	45%	**09	92%

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