Load data for .45 Auto Rim + .452 | 160gr | Rim Rock RNFP Cowboy

Recommended Powder(s): Maxam CSB 2

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.452 \| 160gr \| Rim Rock RNFP Cowboy
Manufacturer SKU:	#027
Bullet Weight:	160gr \| 10.4g
Bullet Diameter:	0.452" \| 11.48mm
Bullet Length:	0.443" \| 11.3mm
Caliber:	.45 Auto Rim load data
Case Length (l3):	0.898" \| 22.8mm
Cartridge Length (C.O.L.):	1.021" \| 25.9mm
Seated Depth:	0.320" \| 8.1mm
Shank Seated Depth:	0.320" \| 8.1mm
Case Capacity:	29.0 Grains of Water \| 1.88 cm³
Primer Size:	Large Pistol (LP)
Max. allowed Pressure:	17405 psi \| 1200 bar
LID:	LID_B10652_C727
Last updated:	2025-01-01

Load data for 46 loads in caliber .45 Auto Rim with .452 | 160gr | Rim Rock RNFP Cowboy bullet and 23 powders such as Maxam CSB 2. 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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Min z (%)
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Safety Buffer (%)
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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.

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
[Accurate No. 2]*	<<locked>>	64%	14605	84%	**27	85%
Accurate Solo 1250	<<locked>>	72%	15214	87%	**70	96%
[Alliant UNIQUE]*	<<locked>>	71%	14489	83%	**83	88%
Baschieri & Pellagri 100	<<locked>>	65%	14576	84%	**17	98%
Hodgdon Universal	<<locked>>	65%	14736	85%	**73	96%
Hodgdon TrailBoss	<<locked>>	93%	7426	43%	**7	96%
Lovex S020	<<locked>>	67%	15084	87%	**86	92%
Maxam CSB 1	<<locked>>	72%	14446	83%	**47	95%
Maxam CSB 2 👍	<<locked>>	75%	14837	85%	**15	99%
Maxam CSB 3	<<locked>>	65%	14228	82%	**30	98%
Maxam CSB 4	<<locked>>	65%	15374	88%	**47	100%
ReloadSwiss RS 12	<<locked>>	64%	14344	82%	**96	100%
[ReloadSwiss RS 14]*	<<locked>>	91%	6237	36%	**1	88%
ReloadSwiss RS 20	<<locked>>	76%	14924	86%	**09	91%
[SNPE Vectan A0]*	<<locked>>	72%	14881	85%	**37	88%
SNPE Vectan BA 9	<<locked>>	65%	15156	87%	**43	93%
SNPE Vectan BA9 1/2	<<locked>>	68%	15635	90%	**79	96%
[Somchem MP200]*	<<locked>>	67%	15331	88%	**86	87%
Somchem MS200	<<locked>>	67%	14475	83%	**50	90%
Vihtavuori N320	<<locked>>	64%	14388	83%	**50	100%
Vihtavuori N32C Tin Star	<<locked>>	90%	15127	87%	**30	100%
Vihtavuori N330	<<locked>>	70%	15142	87%	**15	97%
[Vihtavuori N340]*	<<locked>>	71%	14605	84%	**63	89%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[Accurate No. 2]*	<<locked>>	61%	13227	76%	**1	82%
Accurate Solo 1250	<<locked>>	61%	11197	64%	**8	91%
[Alliant UNIQUE]*	<<locked>>	61%	10892	63%	**1	83%
Baschieri & Pellagri 100	<<locked>>	61%	13024	75%	**4	97%
Hodgdon Universal	<<locked>>	62%	13402	77%	**37	95%
Hodgdon TrailBoss	<<locked>>	74%	5207	30%	**6	90%
[Lovex S020]*	<<locked>>	61%	12444	71%	**10	89%
Maxam CSB 1	<<locked>>	62%	10762	62%	**8	91%
Maxam CSB 2	<<locked>>	62%	9703	56%	**5	95%
Maxam CSB 3	<<locked>>	62%	12734	73%	**4	97%
Maxam CSB 4	<<locked>>	61%	13866	80%	**07	99%
ReloadSwiss RS 12	<<locked>>	61%	12966	75%	**63	100%
[ReloadSwiss RS 14]*	<<locked>>	79%	5076	29%	**9	84%
[ReloadSwiss RS 20]*	<<locked>>	61%	9602	55%	**5	81%
[SNPE Vectan A0]*	<<locked>>	62%	11400	66%	**5	83%
SNPE Vectan BA 9	<<locked>>	62%	13866	80%	**07	92%
SNPE Vectan BA9 1/2	<<locked>>	61%	12908	74%	**01	93%
[Somchem MP200]*	<<locked>>	61%	12937	74%	**14	84%
[Somchem MS200]*	<<locked>>	61%	12082	69%	**8	86%
Vihtavuori N320	<<locked>>	60%	12821	74%	**10	99%
Vihtavuori N32C Tin Star	<<locked>>	61%	7092	41%	**1	99%
Vihtavuori N330	<<locked>>	61%	11168	64%	**8	93%
[Vihtavuori N340]*	<<locked>>	61%	11023	63%	**1	84%

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.