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Load data for .45 Auto (ACP) + .452 | 180gr | Rim Rock RNFP Cowboy

Recommended Powder(s): Maxam CSB 2, ReloadSwiss RS 12, Vihtavuori N320

.45 Auto (ACP) + .452 | 180gr | Rim Rock RNFP Cowboy

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.452 | 180gr | Rim Rock RNFP Cowboy
Manufacturer SKU:
#028
Bullet Weight:
180gr | 11.7g
Bullet Diameter:
0.452" | 11.48mm
Bullet Length:
0.501" | 12.7mm
Caliber:
.45 Auto (ACP) load data
Case Length (l3):
0.898" | 22.8mm
Cartridge Length (C.O.L.):
1.039" | 26.4mm
Seated Depth:
0.360" | 9.1mm
Shank Seated Depth:
0.360" | 9.1mm
Case Capacity:
25.0 Grains of Water | 1.62 cm³
Primer Size:
Large Pistol (LP)
Max. allowed Pressure:
18855 psi | 1300 bar
LID:
LID_B10653_C724
Last updated:
2025-01-01

Load data for 58 loads in caliber .45 Auto (ACP) with .452 | 180gr | Rim Rock RNFP Cowboy bullet and 29 powders such as Maxam CSB 2, ReloadSwiss RS 12, Vihtavuori N320. 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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  • 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.

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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 70N
<<locked>>
70%
15954
85%
**2
95%
ADI AS 30
<<locked>>
75%
16853
89%
**9
100%
ADI AS 50N
<<locked>>
72%
16172
86%
**2
99%
[Accurate No. 2]*
<<locked>>
75%
16244
86%
**6
83%
Accurate Solo 1000
<<locked>>
72%
16694
89%
**9
99%
Accurate Solo 1250
<<locked>>
83%
16230
86%
**2
95%
[Alliant BULLSEYE]*
<<locked>>
70%
16056
85%
**2
88%
[Alliant UNIQUE]*
<<locked>>
85%
15766
84%
**8
87%
Baschieri & Pellagri 100
<<locked>>
78%
16636
88%
**2
98%
Hodgdon Universal
<<locked>>
75%
15055
80%
**9
95%
Lovex S020
<<locked>>
78%
16027
85%
**8
90%
Maxam CSB 1
<<locked>>
84%
15403
82%
**2
94%
Maxam CSB 2 👍
<<locked>>
92%
16679
88%
**01
99%
Maxam CSB 3
<<locked>>
78%
15853
84%
**6
98%
Maxam CSB 4
<<locked>>
77%
16882
90%
**9
100%
Maxam CSB 5
<<locked>>
68%
15316
81%
**9
100%
[Ramshot Silhouette]*
<<locked>>
68%
15519
82%
**9
83%
ReloadSwiss RS 12 👍
<<locked>>
79%
16447
87%
**4
100%
[ReloadSwiss RS 20]*
<<locked>>
89%
15867
84%
**5
89%
Rottweil P 801
<<locked>>
71%
16578
88%
**8
100%
[SNPE Vectan A0]*
<<locked>>
85%
16824
89%
**2
87%
SNPE Vectan BA 9
<<locked>>
74%
15969
85%
**2
92%
SNPE Vectan BA9 1/2
<<locked>>
77%
15737
83%
**5
94%
[Somchem MP200]*
<<locked>>
79%
16752
89%
**5
86%
[Somchem MS200]*
<<locked>>
81%
16839
89%
**2
89%
Vihtavuori N320 👍
<<locked>>
77%
15737
83%
**8
100%
Vihtavuori N32C Tin Star
<<locked>>
93%
11908
63%
**3
100%
Vihtavuori N330
<<locked>>
81%
15418
82%
**8
96%
[Vihtavuori N340]*
<<locked>>
85%
16708
89%
**2
88%

Max Load - Barrel Length: 5.50''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AP 70N
<<locked>>
61%
12125
64%
**6
91%
ADI AS 30
<<locked>>
62%
12227
65%
**1
100%
ADI AS 50N
<<locked>>
61%
11908
63%
**1
96%
[Accurate No. 2]*
<<locked>>
70%
14112
75%
**7
80%
Accurate Solo 1000
<<locked>>
61%
12328
65%
**7
97%
[Accurate Solo 1250]*
<<locked>>
62%
9036
48%
**8
84%
[Alliant BULLSEYE]*
<<locked>>
61%
12067
64%
**3
83%
[Alliant UNIQUE]*
<<locked>>
75%
12140
64%
**6
82%
Baschieri & Pellagri 100
<<locked>>
62%
10631
56%
**8
93%
[Hodgdon Universal]*
<<locked>>
60%
9834
52%
**4
88%
[Lovex S020]*
<<locked>>
65%
10385
55%
**4
82%
[Maxam CSB 1]*
<<locked>>
62%
8557
45%
**9
83%
[Maxam CSB 2]*
<<locked>>
61%
7020
37%
**2
87%
Maxam CSB 3
<<locked>>
61%
9993
53%
**8
92%
Maxam CSB 4
<<locked>>
60%
10530
56%
**8
96%
Maxam CSB 5
<<locked>>
62%
12937
69%
**0
100%
[Ramshot Silhouette]*
<<locked>>
65%
13692
73%
**6
81%
ReloadSwiss RS 12
<<locked>>
60%
9021
48%
**1
96%
[ReloadSwiss RS 20]*
<<locked>>
74%
11023
58%
**7
81%
Rottweil P 801
<<locked>>
62%
12473
66%
**9
100%
[SNPE Vectan A0]*
<<locked>>
75%
13039
69%
**0
82%
[SNPE Vectan BA 9]*
<<locked>>
60%
10733
57%
**5
84%
[SNPE Vectan BA9 1/2]*
<<locked>>
62%
10341
55%
**1
87%
[Somchem MP200]*
<<locked>>
70%
13082
69%
**6
81%
[Somchem MS200]*
<<locked>>
66%
11211
59%
**1
82%
Vihtavuori N320
<<locked>>
60%
9587
51%
**1
95%
Vihtavuori N32C Tin Star
<<locked>>
74%
7484
40%
**9
99%
[Vihtavuori N330]*
<<locked>>
62%
8847
47%
**1
85%
[Vihtavuori N340]*
<<locked>>
70%
11182
59%
**4
81%

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

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