Load data for .38-45 ACP + .358 | 105gr | Rim Rock TC Cowboy

Recommended Powder(s): Alliant UNIQUE, ReloadSwiss RS 20, SNPE Vectan A0, Somchem MP200, Vihtavuori N340

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:	<<locked>>
Caliber:	.38-45 ACP load data
Case Length (l3):	0.898" \| 22.8mm
Cartridge Length (C.O.L.):	<<locked>>
Seated Depth:	<<locked>>
Shank Seated Depth:	<<locked>>
Case Capacity:	22.0 Grains of Water \| 1.43 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	34084 psi \| 2350 bar
LID:	LID_B10535_C596
Last updated:	2025-01-01

Load data for 0 loads in caliber .38-45 ACP with .358 | 105gr | Rim Rock TC Cowboy bullet and 0 powders such as Alliant UNIQUE, ReloadSwiss RS 20, SNPE Vectan A0, Somchem MP200, 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>>	97%	29153	86%	**35	92%
ADI AP 70N	<<locked>>	66%	29443	86%	**67	100%
ADI APS 350	<<locked>>	70%	30139	88%	**73	100%
ADI APS 450	<<locked>>	71%	29834	88%	**02	100%
ADI AS 30	<<locked>>	74%	29646	87%	**62	100%
ADI AS 50N	<<locked>>	72%	30589	90%	**17	100%
Accurate No. 2	<<locked>>	74%	30168	89%	**90	100%
Accurate Solo 1000	<<locked>>	74%	30618	90%	**98	100%
Accurate Solo 1250	<<locked>>	80%	30182	89%	**63	100%
Alliant BE-86	<<locked>>	79%	30676	90%	**57	100%
Alliant BULLSEYE	<<locked>>	69%	29559	87%	**19	100%
Alliant Herco 👍	<<locked>>	95%	29675	87%	**22	100%
Alliant POWER PISTOL	<<locked>>	82%	30443	89%	**17	92%
Alliant RED DOT	<<locked>>	77%	30052	88%	**85	100%
Alliant Sport Pistol	<<locked>>	65%	29660	87%	**22	100%
Alliant UNIQUE 👍	<<locked>>	81%	29791	87%	**39	100%
Baschieri & Pellagri 100	<<locked>>	75%	29936	88%	**01	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	95%	29747	87%	**21	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	72%	30342	89%	**30	100%
Hodgdon Clays	<<locked>>	70%	30545	90%	**86	100%
Hodgdon HS-6	<<locked>>	66%	29965	88%	**39	96%
Hodgdon Longshot	<<locked>>	63%	29791	87%	**39	98%
Hodgdon Universal	<<locked>>	73%	29443	86%	**67	100%
Hodgdon CFE Pistol	<<locked>>	76%	29950	88%	**70	100%
Hodgdon TrailBoss	<<locked>>	96%	12444	37%	**20	100%
Lovex S011	<<locked>>	65%	30545	90%	**30	100%
Lovex S020	<<locked>>	73%	29979	88%	**93	100%
Maxam CSB 1	<<locked>>	83%	29602	87%	**50	100%
Maxam CSB 2	<<locked>>	81%	29791	87%	**63	100%
Maxam CSB 3	<<locked>>	78%	30458	89%	**40	100%
Maxam CSB 4	<<locked>>	75%	29950	88%	**07	100%
Maxam CSB 5	<<locked>>	70%	30458	89%	**62	100%
Ramshot Silhouette	<<locked>>	67%	29892	88%	**32	100%
Ramshot True Blue	<<locked>>	63%	30589	90%	**49	98%
ReloadSwiss RS 12	<<locked>>	70%	30371	89%	**60	100%
ReloadSwiss RS 14	<<locked>>	94%	10863	32%	**7	100%
ReloadSwiss RS 20 👍	<<locked>>	83%	30197	89%	**39	100%
[ReloadSwiss RS 24]*	<<locked>>	84%	30008	88%	**85	85%
Rottweil P 801	<<locked>>	64%	29602	87%	**04	100%
Rottweil P 806	<<locked>>	92%	30356	89%	**54	97%
SNPE Vectan A0	<<locked>>	83%	29965	88%	**80	100%
SNPE Vectan BA 9	<<locked>>	75%	30269	89%	**57	100%
SNPE Vectan BA10	<<locked>>	67%	29820	87%	**02	100%
SNPE Vectan BA7 1/2	<<locked>>	90%	30545	90%	**32	97%
SNPE Vectan BA9 1/2	<<locked>>	76%	29907	88%	**63	100%
SNPE Vectan SP 2	<<locked>>	78%	30298	89%	**31	94%
Somchem MP200 👍	<<locked>>	75%	30197	89%	**22	100%
Somchem MS200	<<locked>>	78%	29747	87%	**96	100%
[Somchem S221]*	<<locked>>	70%	29994	88%	**72	89%
Vihtavuori 3N37	<<locked>>	83%	30023	88%	**58	98%
[Vihtavuori 3N38]*	<<locked>>	96%	30197	89%	**85	86%
[Vihtavuori N105]*	<<locked>>	96%	23018	68%	**96	85%
Vihtavuori N320	<<locked>>	73%	30371	89%	**27	100%
Vihtavuori N32C Tin Star	<<locked>>	96%	28268	83%	**16	100%
Vihtavuori N330	<<locked>>	77%	30530	90%	**99	100%
Vihtavuori N340 👍	<<locked>>	80%	30443	89%	**06	100%
Vihtavuori N350	<<locked>>	86%	30182	89%	**55	98%
Winchester 231	<<locked>>	63%	30342	89%	**53	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	74%	16186	47%	**17	81%
ADI AP 70N	<<locked>>	61%	24976	73%	**91	100%
ADI APS 350	<<locked>>	61%	24627	72%	**84	100%
ADI APS 450	<<locked>>	60%	22495	66%	**81	100%
ADI AS 30	<<locked>>	61%	21147	62%	**11	100%
ADI AS 50N	<<locked>>	61%	22118	65%	**80	100%
Accurate No. 2	<<locked>>	61%	19638	58%	**76	96%
Accurate Solo 1000	<<locked>>	60%	21016	62%	**30	100%
Accurate Solo 1250	<<locked>>	61%	17231	51%	**04	100%
Alliant BE-86	<<locked>>	61%	17912	53%	**24	100%
Alliant BULLSEYE	<<locked>>	61%	22669	67%	**85	100%
Alliant Herco	<<locked>>	61%	12415	36%	**89	92%
[Alliant POWER PISTOL]*	<<locked>>	62%	16723	49%	**70	80%
Alliant RED DOT	<<locked>>	61%	20204	59%	**11	100%
Alliant Sport Pistol	<<locked>>	61%	26266	77%	**53	100%
Alliant UNIQUE	<<locked>>	61%	17114	50%	**50	97%
Baschieri & Pellagri 100	<<locked>>	61%	19624	58%	**20	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	62%	12328	36%	**56	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	61%	21161	62%	**76	100%
Hodgdon Clays	<<locked>>	61%	25005	73%	**04	100%
Hodgdon HS-6	<<locked>>	61%	25179	74%	**50	94%
Hodgdon Longshot	<<locked>>	61%	27847	82%	**09	97%
Hodgdon Universal	<<locked>>	61%	20914	61%	**12	100%
Hodgdon CFE Pistol	<<locked>>	61%	19174	56%	**60	100%
Hodgdon TrailBoss	<<locked>>	70%	7426	22%	**3	99%
Lovex S011	<<locked>>	61%	26745	78%	**71	100%
Lovex S020	<<locked>>	61%	19899	58%	**99	99%
Maxam CSB 1	<<locked>>	61%	16578	49%	**84	100%
Maxam CSB 2	<<locked>>	61%	17042	50%	**24	100%
Maxam CSB 3	<<locked>>	61%	19290	57%	**34	100%
Maxam CSB 4	<<locked>>	61%	20653	61%	**47	100%
Maxam CSB 5	<<locked>>	61%	24018	70%	**57	100%
Ramshot Silhouette	<<locked>>	61%	24700	72%	**34	99%
Ramshot True Blue	<<locked>>	61%	28471	84%	**06	97%
ReloadSwiss RS 12	<<locked>>	61%	23221	68%	**39	100%
ReloadSwiss RS 14	<<locked>>	71%	6976	20%	**7	95%
ReloadSwiss RS 20	<<locked>>	61%	15592	46%	**30	98%
[ReloadSwiss RS 24]*	<<locked>>	77%	23598	69%	**50	80%
Rottweil P 801	<<locked>>	62%	27180	80%	**68	100%
[Rottweil P 806]*	<<locked>>	66%	11835	35%	**78	80%
SNPE Vectan A0	<<locked>>	61%	16621	49%	**88	96%
SNPE Vectan BA 9	<<locked>>	61%	20247	59%	**66	100%
SNPE Vectan BA10	<<locked>>	61%	26092	77%	**47	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	61%	13909	41%	**35	85%
SNPE Vectan BA9 1/2	<<locked>>	61%	19392	57%	**63	100%
[SNPE Vectan SP 2]*	<<locked>>	62%	17027	50%	**06	83%
Somchem MP200	<<locked>>	61%	20494	60%	**25	98%
Somchem MS200	<<locked>>	62%	18826	55%	**70	98%
[Somchem S221]*	<<locked>>	61%	21466	63%	**75	82%
[Vihtavuori 3N37]*	<<locked>>	61%	15316	45%	**04	88%
[Vihtavuori 3N38]*	<<locked>>	85%	22017	65%	**11	80%
[Vihtavuori N105]*	<<locked>>	90%	19043	56%	**75	80%
Vihtavuori N320	<<locked>>	62%	21625	63%	**76	100%
Vihtavuori N32C Tin Star	<<locked>>	61%	11951	35%	**4	100%
Vihtavuori N330	<<locked>>	62%	19334	57%	**93	100%
Vihtavuori N340	<<locked>>	61%	17100	50%	**27	97%
[Vihtavuori N350]*	<<locked>>	61%	13706	40%	**55	86%
Winchester 231	<<locked>>	61%	27934	82%	**14	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