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Load data for .45 Auto Rim + .452 | 255gr | Rim Rock SWC Top Shelf

Recommended Powder(s): Vihtavuori N330

.45 Auto Rim + .452 | 255gr | Rim Rock SWC Top Shelf

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.452 | 255gr | Rim Rock SWC Top Shelf
Manufacturer SKU:
#150
Bullet Weight:
255gr | 16.5g
Bullet Diameter:
0.452" | 11.48mm
Bullet Length:
0.686" | 17.4mm
Caliber:
.45 Auto Rim load data
Case Length (l3):
0.898" | 22.8mm
Cartridge Length (C.O.L.):
1.144" | 29.0mm
Seated Depth:
0.440" | 11.2mm
Shank Seated Depth:
0.440" | 11.2mm
Case Capacity:
29.0 Grains of Water | 1.88 cm³
Primer Size:
Large Pistol (LP)
Max. allowed Pressure:
17405 psi | 1200 bar
LID:
LID_B10665_C727
Last updated:
2025-01-01

Load data for 34 loads in caliber .45 Auto Rim with .452 | 255gr | Rim Rock SWC Top Shelf bullet and 17 powders such as Vihtavuori N330. 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>>
65%
13532
78%
**5
98%
Alliant UNIQUE
<<locked>>
70%
14997
86%
**7
94%
Lovex S020
<<locked>>
65%
14953
86%
**4
96%
Maxam CSB 1
<<locked>>
71%
15069
87%
**1
99%
Maxam CSB 2
<<locked>>
71%
14402
83%
**4
100%
Maxam CSB 3
<<locked>>
65%
15156
87%
**1
100%
ReloadSwiss RS 20
<<locked>>
74%
14895
86%
**7
96%
[Rottweil P 806]*
<<locked>>
91%
14808
85%
**3
84%
SNPE Vectan A0
<<locked>>
70%
15243
88%
**8
93%
[SNPE Vectan BA7 1/2]*
<<locked>>
78%
15229
88%
**8
84%
SNPE Vectan BA9 1/2
<<locked>>
65%
15273
88%
**8
98%
Somchem MS200
<<locked>>
67%
15214
87%
**1
95%
[Vihtavuori 3N37]*
<<locked>>
76%
15621
90%
**7
87%
Vihtavuori N32C Tin Star
<<locked>>
84%
14301
82%
**5
100%
Vihtavuori N330 👍
<<locked>>
67%
14562
84%
**1
99%
Vihtavuori N340
<<locked>>
70%
15505
89%
**8
94%
[Vihtavuori N350]*
<<locked>>
78%
15577
89%
**1
87%

Max Load - Barrel Length: 5.50''

Powder
Charge
FR
MaxP
%
V(0)
z
Accurate Solo 1250
<<locked>>
60%
11734
67%
**6
96%
[Alliant UNIQUE]*
<<locked>>
60%
11414
66%
**2
89%
Lovex S020
<<locked>>
60%
12894
74%
**2
94%
Maxam CSB 1
<<locked>>
61%
11269
65%
**9
96%
Maxam CSB 2
<<locked>>
62%
10617
61%
**5
99%
Maxam CSB 3
<<locked>>
60%
12937
74%
**2
100%
[ReloadSwiss RS 20]*
<<locked>>
60%
10109
58%
**9
89%
[Rottweil P 806]*
<<locked>>
85%
12241
70%
**0
80%
[SNPE Vectan A0]*
<<locked>>
61%
11676
67%
**9
89%
[SNPE Vectan BA7 1/2]*
<<locked>>
74%
13547
78%
**2
82%
SNPE Vectan BA9 1/2
<<locked>>
60%
13373
77%
**2
97%
Somchem MS200
<<locked>>
62%
13387
77%
**5
93%
[Vihtavuori 3N37]*
<<locked>>
68%
12473
72%
**8
82%
Vihtavuori N32C Tin Star
<<locked>>
78%
12444
72%
**3
100%
Vihtavuori N330
<<locked>>
62%
12560
72%
**8
98%
Vihtavuori N340
<<locked>>
61%
11777
68%
**9
90%
[Vihtavuori N350]*
<<locked>>
70%
12140
70%
**5
82%

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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