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

Recommended Powder(s): none

.45 Colt + .452 | 160gr | Rim Rock RNFP Cowboy

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 Colt load data
Case Length (l3):
1.266" | 32.2mm
Cartridge Length (C.O.L.):
1.382" | 35.1mm
Seated Depth:
0.327" | 8.3mm
Shank Seated Depth:
0.327" | 8.3mm
Case Capacity:
41.6 Grains of Water | 2.70 cm³
Primer Size:
Large Pistol Magnum (LPM)
Max. allowed Pressure:
15954 psi | 1100 bar
LID:
LID_B10652_C731
Last updated:
2025-01-01

Load data for 12 loads in caliber .45 Colt with .452 | 160gr | Rim Rock RNFP Cowboy bullet and 6 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".

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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
Hodgdon TrailBoss
<<locked>>
96%
12589
79%
**43
100%
ReloadSwiss RS 14
<<locked>>
96%
11211
70%
**33
100%
[Rottweil P 806]*
<<locked>>
73%
15302
96%
**12
84%
[SNPE Vectan BA7 1/2]*
<<locked>>
64%
15316
96%
**01
86%
Vihtavuori N32C Tin Star
<<locked>>
71%
15766
99%
**15
100%
[Vihtavuori N350]*
<<locked>>
64%
15461
97%
**40
88%

Max Load - Barrel Length: 5.50''

Powder
Charge
FR
MaxP
%
V(0)
z
Hodgdon TrailBoss
<<locked>>
61%
6164
39%
**1
97%
ReloadSwiss RS 14
<<locked>>
62%
5700
36%
**8
91%
[Rottweil P 806]*
<<locked>>
68%
12778
80%
**20
80%
[SNPE Vectan BA7 1/2]*
<<locked>>
61%
13895
87%
**52
84%
Vihtavuori N32C Tin Star
<<locked>>
61%
12256
77%
**24
100%
[Vihtavuori N350]*
<<locked>>
61%
13895
87%
**84
86%

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.

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