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Load data for .45 Glock Auto Pistol + .452 | 200gr | Rim Rock RNFP Cowboy

Recommended Powder(s):

.45 Glock Auto Pistol + .452 | 200gr | Rim Rock RNFP Cowboy

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.452 | 200gr | Rim Rock RNFP Cowboy
Manufacturer SKU:
#029
Bullet Weight:
200gr | 13.0g
Bullet Diameter:
0.452" | 11.48mm
Bullet Length:
0.539" | 13.7mm
Caliber:
.45 Glock Auto Pistol load data
Case Length (l3):
0.759" | 19.3mm
Cartridge Length (C.O.L.):
1.119" | 28.4mm
Seated Depth:
0.179" | 4.5mm
Shank Seated Depth:
0.179" | 4.5mm
Case Capacity:
22.3 Grains of Water | 1.45 cm³
Primer Size:
Small Pistol (SP)
Max. allowed Pressure:
18855 psi | 1300 bar
LID:
LID_B10654_C733
Last updated:
2026-01-21

Load data for 46 loads in caliber .45 Glock Auto Pistol with .452 | 200gr | Rim Rock RNFP Cowboy bullet and 23 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".

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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
Accurate Solo 1250
<<locked>>
71%
16940
90%
**8
99%
Alliant UNIQUE
<<locked>>
71%
16447
87%
**4
94%
Baschieri & Pellagri 102 Pistol
<<locked>>
85%
16578
88%
**1
100%
Baschieri & Pellagri 103 Pistol
<<locked>>
64%
16766
89%
**5
100%
Hodgdon Universal
<<locked>>
64%
16476
87%
**1
99%
Hodgdon CFE Pistol
<<locked>>
67%
16868
89%
**8
99%
Lovex S020
<<locked>>
66%
16476
87%
**1
96%
Maxam CSB 1
<<locked>>
71%
16056
85%
**5
99%
Maxam CSB 2
<<locked>>
73%
16447
87%
**7
100%
ReloadSwiss RS 12
<<locked>>
63%
16694
89%
**1
100%
ReloadSwiss RS 20
<<locked>>
75%
16360
87%
**10
96%
[Rottweil P 806]*
<<locked>>
92%
16853
89%
**22
86%
SNPE Vectan A0
<<locked>>
71%
16462
87%
**8
94%
SNPE Vectan BA 9
<<locked>>
64%
16911
90%
**5
97%
[SNPE Vectan BA7 1/2]*
<<locked>>
79%
16708
89%
**4
85%
SNPE Vectan BA9 1/2
<<locked>>
65%
16534
88%
**8
99%
Somchem MP200
<<locked>>
65%
16607
88%
**1
93%
Somchem MS200
<<locked>>
68%
16824
89%
**1
95%
[Vihtavuori 3N37]*
<<locked>>
75%
16346
87%
**01
86%
Vihtavuori N320
<<locked>>
64%
16723
89%
**5
100%
Vihtavuori N330
<<locked>>
68%
16404
87%
**4
100%
Vihtavuori N340
<<locked>>
70%
16665
88%
**8
95%
[Vihtavuori N350]*
<<locked>>
78%
16433
87%
**01
87%

Max Load - Barrel Length: 5.50''

Powder
Charge
FR
MaxP
%
V(0)
z
Accurate Solo 1250
<<locked>>
67%
15185
81%
**8
98%
Alliant UNIQUE
<<locked>>
64%
13518
72%
**9
91%
Baschieri & Pellagri 102 Pistol
<<locked>>
81%
15026
80%
**2
100%
Baschieri & Pellagri 103 Pistol
<<locked>>
61%
15229
81%
**5
100%
Hodgdon Universal
<<locked>>
61%
14866
79%
**2
98%
Hodgdon CFE Pistol
<<locked>>
63%
14779
78%
**5
98%
Lovex S020
<<locked>>
61%
14127
75%
**2
94%
Maxam CSB 1
<<locked>>
69%
15374
82%
**5
98%
Maxam CSB 2
<<locked>>
66%
13111
70%
**2
100%
ReloadSwiss RS 12
<<locked>>
61%
15780
84%
**1
100%
ReloadSwiss RS 20
<<locked>>
68%
13619
72%
**8
94%
[Rottweil P 806]*
<<locked>>
85%
13285
70%
**20
80%
SNPE Vectan A0
<<locked>>
69%
15751
84%
**8
93%
SNPE Vectan BA 9
<<locked>>
63%
16041
85%
**8
97%
[SNPE Vectan BA7 1/2]*
<<locked>>
74%
14736
78%
**5
82%
SNPE Vectan BA9 1/2
<<locked>>
62%
14837
79%
**9
98%
Somchem MP200
<<locked>>
60%
14460
77%
**5
90%
Somchem MS200
<<locked>>
65%
15316
81%
**5
94%
[Vihtavuori 3N37]*
<<locked>>
68%
13198
70%
**9
82%
Vihtavuori N320
<<locked>>
63%
15940
85%
**8
100%
Vihtavuori N330
<<locked>>
63%
13822
73%
**5
99%
Vihtavuori N340
<<locked>>
65%
14417
76%
**5
92%
[Vihtavuori N350]*
<<locked>>
72%
13706
73%
**8
83%

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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