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Load data for .460 Steyr + .458 | 550gr | Impala RNFP KO

Recommended Powder(s): ADI AR 2218

.460 Steyr + .458 | 550gr | Impala RNFP KO

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.458 | 550gr | Impala RNFP KO
Bullet Weight:
550gr | 35.6g
Bullet Diameter:
0.458" | 11.63mm
Bullet Length:
1.745" | 44.3mm
Caliber:
.460 Steyr load data
Case Length (l3):
3.538" | 89.9mm
Cartridge Length (C.O.L.):
4.847" | 123.1mm
Seated Depth:
0.436" | 11.1mm
Shank Seated Depth:
0.436" | 11.1mm
Case Capacity:
263.4 Grains of Water | 17.10 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
53664 psi | 3700 bar
LID:
LID_B3032_C804
Last updated:
2025-01-01

Load data for 30 loads in caliber .460 Steyr with .458 | 550gr | Impala RNFP KO bullet and 15 powders such as ADI AR 2218. 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 AR 2218 👍
<<locked>>
86%
48138
90%
**02
99%
ADI AR 2225
<<locked>>
84%
48138
90%
**10
100%
Accurate 8700
<<locked>>
91%
47906
89%
**07
98%
Alliant Reloder-50
<<locked>>
86%
48211
90%
**43
98%
Hodgdon Retumbo
<<locked>>
84%
48138
90%
**10
100%
[Hodgdon US 869]*
<<locked>>
89%
48283
90%
**03
94%
IMR 8133 Enduron
<<locked>>
86%
48109
90%
**13
100%
Lovex D100
<<locked>>
83%
48196
90%
**57
95%
Norma 217
<<locked>>
85%
48196
90%
**03
100%
[Ramshot LRT]*
<<locked>>
86%
48095
90%
**39
94%
ReloadSwiss RS 14
<<locked>>
97%
38319
71%
**63
100%
SNPE Vectan SP 13
<<locked>>
90%
48298
90%
**97
98%
Vihtavuori 20N29
<<locked>>
91%
48182
90%
**07
96%
[Vihtavuori 24N41]*
<<locked>>
86%
48254
90%
**10
94%
Vihtavuori N170
<<locked>>
84%
48138
90%
**57
98%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2218
<<locked>>
81%
40596
76%
**41
97%
ADI AR 2225
<<locked>>
81%
44367
83%
**51
100%
[Accurate 8700]*
<<locked>>
81%
33663
63%
**21
93%
Alliant Reloder-50
<<locked>>
81%
40814
76%
**98
96%
Hodgdon Retumbo
<<locked>>
81%
44367
83%
**51
100%
[Hodgdon US 869]*
<<locked>>
82%
37797
70%
**93
90%
IMR 8133 Enduron
<<locked>>
81%
41553
77%
**85
100%
[Lovex D100]*
<<locked>>
81%
44889
84%
**98
94%
Norma 217
<<locked>>
81%
42844
80%
**11
100%
[Ramshot LRT]*
<<locked>>
81%
40640
76%
**92
91%
ReloadSwiss RS 14
<<locked>>
94%
36956
69%
**40
100%
[SNPE Vectan SP 13]*
<<locked>>
81%
35810
67%
**44
94%
[Vihtavuori 20N29]*
<<locked>>
81%
34026
63%
**18
91%
[Vihtavuori 24N41]*
<<locked>>
81%
40785
76%
**65
92%
Vihtavuori N170
<<locked>>
81%
43976
82%
**79
97%

Start Load - Barrel Length: 23.60''

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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