Load data for .38-45 ACP + .358 | 130gr | Rim Rock RNFP Cowboy

Recommended Powder(s):

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.358 \| 130gr \| Rim Rock RNFP Cowboy
Manufacturer SKU:	#013
Bullet Weight:	130gr \| 8.4g
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_B10539_C596
Last updated:	2026-02-02

Load data for 114 loads in caliber .38-45 ACP with .358 | 130gr | Rim Rock RNFP Cowboy bullet and 57 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".

Go to the bottom of the "Dashboard " page to set the measure system (imperial vs. metric)
No data yet
C.O.L. (Inch)
C.O.L. (mm)
We recommend you limit powder range to relevant brands to speed up re-calculation of results
Use the Personalized Load Calculator to customize loads to your own specific requirements. Find more details in the help section.

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%	24555	72%	**91	89%
ADI AP 70N	<<locked>>	73%	30661	90%	**27	100%
ADI APS 350	<<locked>>	71%	28587	84%	**07	100%
ADI APS 450	<<locked>>	74%	28703	84%	**47	100%
ADI AS 30	<<locked>>	80%	30443	89%	**19	100%
ADI AS 50N	<<locked>>	76%	29544	87%	**52	100%
Accurate No. 2	<<locked>>	78%	29573	87%	**01	99%
Accurate No. 5	<<locked>>	66%	30327	89%	**86	94%
Accurate Solo 1000	<<locked>>	78%	29399	86%	**29	100%
Accurate Solo 1250	<<locked>>	87%	30443	89%	**04	100%
Alliant BE-86	<<locked>>	84%	29312	86%	**84	100%
Alliant BULLSEYE 👍	<<locked>>	76%	30516	90%	**60	100%
Alliant Herco	<<locked>>	95%	24816	73%	**84	100%
Alliant POWER PISTOL	<<locked>>	88%	30153	88%	**29	91%
Alliant Sport Pistol	<<locked>>	70%	29892	88%	**53	100%
Alliant UNIQUE	<<locked>>	87%	30095	88%	**66	100%
Baschieri & Pellagri 100	<<locked>>	79%	28834	85%	**32	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	96%	25860	76%	**19	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	77%	29515	87%	**71	100%
Hodgdon Clays	<<locked>>	71%	29066	85%	**27	100%
Hodgdon HS-6	<<locked>>	72%	30284	89%	**73	96%
Hodgdon Longshot	<<locked>>	68%	29298	86%	**60	97%
Hodgdon Universal	<<locked>>	81%	30661	90%	**27	100%
Hodgdon CFE Pistol	<<locked>>	81%	29443	86%	**01	100%
Lovex D036	<<locked>>	66%	30284	89%	**86	94%
Lovex S011	<<locked>>	68%	28979	85%	**52	100%
Lovex S020	<<locked>>	79%	29791	87%	**24	100%
Maxam CSB 1	<<locked>>	90%	30342	89%	**94	100%
Maxam CSB 2	<<locked>>	88%	29704	87%	**11	100%
Maxam CSB 3	<<locked>>	82%	29196	86%	**61	100%
Maxam CSB 4	<<locked>>	79%	29211	86%	**38	100%
Maxam CSB 5	<<locked>>	74%	29269	86%	**96	100%
Ramshot Silhouette 👍	<<locked>>	72%	29849	88%	**53	100%
Ramshot True Blue	<<locked>>	67%	29979	88%	**63	97%
ReloadSwiss RS 12	<<locked>>	75%	29428	86%	**94	100%
ReloadSwiss RS 20 👍	<<locked>>	91%	30414	89%	**76	100%
[ReloadSwiss RS 24]*	<<locked>>	91%	29936	88%	**09	84%
Rottweil P 801	<<locked>>	70%	29689	87%	**55	100%
Rottweil P 806	<<locked>>	96%	25962	76%	**29	95%
SNPE Vectan A0	<<locked>>	88%	29399	86%	**01	100%
SNPE Vectan BA 9	<<locked>>	79%	29370	86%	**81	100%
SNPE Vectan BA10	<<locked>>	69%	28689	84%	**47	100%
SNPE Vectan BA7 1/2	<<locked>>	95%	29689	87%	**47	97%
SNPE Vectan BA9 1/2	<<locked>>	80%	29022	85%	**91	100%
SNPE Vectan SP 2	<<locked>>	85%	29718	87%	**42	93%
Shooters World Auto Pistol	<<locked>>	66%	30284	89%	**86	94%
Somchem MP200 👍	<<locked>>	79%	28921	85%	**37	100%
Somchem MS200	<<locked>>	84%	29747	87%	**27	100%
[Somchem S221]*	<<locked>>	77%	30647	90%	**99	88%
Vihtavuori 3N37	<<locked>>	88%	29240	86%	**76	97%
Vihtavuori N310	<<locked>>	64%	30052	88%	**70	100%
Vihtavuori N320	<<locked>>	78%	29515	87%	**58	100%
Vihtavuori N32C Tin Star	<<locked>>	95%	23496	69%	**20	100%
Vihtavuori N330	<<locked>>	82%	29791	87%	**20	100%
Vihtavuori N340 👍	<<locked>>	85%	29834	88%	**30	100%
Vihtavuori N350	<<locked>>	92%	29182	86%	**70	98%
Winchester 231	<<locked>>	69%	30632	90%	**94	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	80%	15867	47%	**04	80%
ADI AP 70N	<<locked>>	60%	21190	62%	**83	100%
ADI APS 350	<<locked>>	62%	22742	67%	**2	100%
ADI APS 450	<<locked>>	60%	20131	59%	**8	100%
ADI AS 30	<<locked>>	60%	18434	54%	**5	100%
ADI AS 50N	<<locked>>	61%	19682	58%	**07	100%
Accurate No. 2	<<locked>>	60%	16766	49%	**4	94%
Accurate No. 5	<<locked>>	60%	24642	72%	**94	91%
Accurate Solo 1000	<<locked>>	62%	19305	57%	**1	100%
Accurate Solo 1250	<<locked>>	62%	15345	45%	**5	99%
Alliant BE-86	<<locked>>	60%	14678	43%	**5	100%
Alliant BULLSEYE	<<locked>>	60%	19479	57%	**73	98%
Alliant Herco	<<locked>>	62%	10718	31%	**3	90%
[Alliant POWER PISTOL]*	<<locked>>	67%	16636	49%	**53	80%
Alliant Sport Pistol	<<locked>>	60%	21973	64%	**25	99%
Alliant UNIQUE	<<locked>>	60%	14112	41%	**5	94%
Baschieri & Pellagri 100	<<locked>>	62%	17666	52%	**8	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	63%	10805	32%	**3	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	61%	18086	53%	**07	100%
Hodgdon Clays	<<locked>>	62%	23018	68%	**8	100%
Hodgdon HS-6	<<locked>>	62%	21205	62%	**22	91%
Hodgdon Longshot	<<locked>>	61%	22597	66%	**52	94%
Hodgdon Universal	<<locked>>	60%	17274	51%	**07	100%
Hodgdon CFE Pistol	<<locked>>	62%	16969	50%	**01	100%
Lovex D036	<<locked>>	60%	24598	72%	**94	91%
Lovex S011	<<locked>>	61%	23830	70%	**79	100%
Lovex S020	<<locked>>	62%	17419	51%	**24	99%
Maxam CSB 1	<<locked>>	60%	13793	40%	**9	99%
Maxam CSB 2	<<locked>>	61%	13793	40%	**1	100%
Maxam CSB 3	<<locked>>	62%	16984	50%	**8	100%
Maxam CSB 4	<<locked>>	60%	17738	52%	**8	100%
Maxam CSB 5	<<locked>>	60%	20218	59%	**1	100%
Ramshot Silhouette	<<locked>>	61%	21451	63%	**19	97%
Ramshot True Blue	<<locked>>	61%	24294	71%	**75	95%
ReloadSwiss RS 12	<<locked>>	62%	19725	58%	**53	100%
ReloadSwiss RS 20	<<locked>>	62%	13402	39%	**8	96%
[ReloadSwiss RS 24]*	<<locked>>	84%	24714	72%	**17	81%
Rottweil P 801	<<locked>>	61%	22945	67%	**70	100%
[Rottweil P 806]*	<<locked>>	73%	11458	34%	**1	81%
SNPE Vectan A0	<<locked>>	60%	14054	41%	**2	94%
SNPE Vectan BA 9	<<locked>>	62%	18202	53%	**04	99%
SNPE Vectan BA10	<<locked>>	61%	23380	69%	**4	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	61%	11574	34%	**3	81%
SNPE Vectan BA9 1/2	<<locked>>	62%	17332	51%	**7	100%
[SNPE Vectan SP 2]*	<<locked>>	64%	14924	44%	**40	81%
Shooters World Auto Pistol	<<locked>>	60%	24598	72%	**94	91%
Somchem MP200	<<locked>>	60%	16955	50%	**17	95%
Somchem MS200	<<locked>>	61%	16056	47%	**8	97%
[Somchem S221]*	<<locked>>	64%	19667	58%	**02	80%
[Vihtavuori 3N37]*	<<locked>>	62%	12865	38%	**8	85%
Vihtavuori N310	<<locked>>	61%	27717	81%	**43	100%
Vihtavuori N320	<<locked>>	61%	17695	52%	**8	100%
Vihtavuori N32C Tin Star	<<locked>>	68%	12343	36%	**3	100%
Vihtavuori N330	<<locked>>	61%	15882	47%	**7	100%
Vihtavuori N340	<<locked>>	60%	14446	42%	**1	95%
[Vihtavuori N350]*	<<locked>>	61%	11734	34%	**2	83%
Winchester 231	<<locked>>	61%	24062	71%	**06	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