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Load data for .45 Auto Rim + .452 | 250gr | H&N KS HS

Recommended Powder(s): ReloadSwiss RS 20

.45 Auto Rim + .452 | 250gr | H&N KS HS

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.452 | 250gr | H&N KS HS
Bullet Weight:
250gr | 16.2g
Bullet Diameter:
0.452" | 11.48mm
Bullet Length:
0.658" | 16.7mm
Caliber:
.45 Auto Rim load data
Case Length (l3):
0.898" | 22.8mm
Cartridge Length (C.O.L.):
1.256" | 31.9mm
Seated Depth:
0.300" | 7.6mm
Shank Seated Depth:
0.280" | 7.1mm
Case Capacity:
29.0 Grains of Water | 1.88 cm³
Primer Size:
Large Pistol (LP)
Max. allowed Pressure:
17405 psi | 1200 bar
LID:
LID_B7543_C727
Last updated:
2025-01-01

Load data for 20 loads in caliber .45 Auto Rim with .452 | 250gr | H&N KS HS bullet and 10 powders such as ReloadSwiss RS 20. 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 100]*
<<locked>>
75%
14765
85%
**9
82%
[Alliant POWER PISTOL]*
<<locked>>
63%
15156
87%
**2
82%
Hodgdon TrailBoss
<<locked>>
96%
10718
62%
**5
100%
ReloadSwiss RS 14
<<locked>>
94%
8978
52%
**6
100%
ReloadSwiss RS 20 👍
<<locked>>
64%
15040
86%
**9
99%
[Rottweil P 806]*
<<locked>>
78%
14823
85%
**4
89%
[SNPE Vectan BA7 1/2]*
<<locked>>
67%
14475
83%
**6
89%
Vihtavuori 3N37
<<locked>>
63%
14431
83%
**6
90%
Vihtavuori N32C Tin Star
<<locked>>
73%
14272
82%
**8
100%
Vihtavuori N350
<<locked>>
66%
14257
82%
**9
90%

Max Load - Barrel Length: 5.50''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AP 100]*
<<locked>>
72%
13692
79%
**0
81%
[Alliant POWER PISTOL]*
<<locked>>
60%
13996
80%
**6
80%
Hodgdon TrailBoss
<<locked>>
84%
8456
49%
**6
100%
ReloadSwiss RS 14
<<locked>>
88%
8035
46%
**6
99%
ReloadSwiss RS 20
<<locked>>
61%
13663
79%
**6
98%
[Rottweil P 806]*
<<locked>>
67%
9514
55%
**3
80%
[SNPE Vectan BA7 1/2]*
<<locked>>
61%
12227
70%
**1
85%
[Vihtavuori 3N37]*
<<locked>>
61%
13242
76%
**6
89%
Vihtavuori N32C Tin Star
<<locked>>
61%
10138
58%
**6
100%
[Vihtavuori N350]*
<<locked>>
60%
11908
68%
**7
87%

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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