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Load data for 458 x 2'' American + .458 | 295gr | AERO SB,- smax:12.80

Recommended Powder(s): Accurate No. 11 FS, Hodgdon LilGun, Lovex S040

458 x 2'' American + .458 | 295gr | AERO SB,- smax:12.80

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.458 | 295gr | AERO SB,- smax:12.80
Bullet Weight:
295gr | 19.1g
Bullet Diameter:
0.458" | 11.63mm
Bullet Length:
<<locked>>
Caliber:
458 x 2'' American load data
Case Length (l3):
2.000" | 50.8mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
73.0 Grains of Water | 4.74 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
59988 psi | 4136 bar
LID:
LID_B142_C792
Last updated:
2026-05-30

Load data for 34 loads in caliber 458 x 2'' American with .458 | 295gr | AERO SB,- smax:12.80 bullet and 17 powders such as Accurate No. 11 FS, Hodgdon LilGun, Lovex S040. 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 APS 450
<<locked>>
84%
53345
89%
**70
100%
ADI AR 2205
<<locked>>
97%
51024
85%
**88
100%
[ADI AR 2207]*
<<locked>>
97%
28776
48%
**08
94%
Accurate 5744
<<locked>>
92%
53214
89%
**03
97%
Accurate No. 11 FS 👍
<<locked>>
96%
53156
89%
**90
99%
Hodgdon LilGun 👍
<<locked>>
92%
53156
89%
**43
100%
IMR 4227
<<locked>>
97%
39552
66%
**06
96%
Lovex D060
<<locked>>
97%
50415
84%
**70
96%
Lovex D063
<<locked>>
94%
52779
88%
**83
97%
Lovex S040 👍
<<locked>>
91%
52794
88%
**05
100%
Lovex S053
<<locked>>
97%
36651
61%
**83
99%
ReloadSwiss RS 36
<<locked>>
97%
37028
62%
**16
95%
SNPE Vectan BA6 1/2
<<locked>>
96%
33750
56%
**59
100%
Shooters World Blackout
<<locked>>
94%
52779
88%
**83
97%
Shooters World Buffalo Rifle
<<locked>>
97%
50415
84%
**70
96%
Vihtavuori N110
<<locked>>
96%
43076
72%
**42
100%
Vihtavuori N120
<<locked>>
97%
29356
49%
**95
95%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
81%
50749
85%
**40
100%
ADI AR 2205
<<locked>>
81%
31328
52%
**00
97%
[ADI AR 2207]*
<<locked>>
89%
22800
38%
**54
90%
[Accurate 5744]*
<<locked>>
81%
37739
63%
**73
93%
Accurate No. 11 FS
<<locked>>
81%
32605
54%
**91
96%
Hodgdon LilGun
<<locked>>
81%
35723
60%
**26
100%
[IMR 4227]*
<<locked>>
82%
25846
43%
**34
90%
[Lovex D060]*
<<locked>>
81%
32039
53%
**62
91%
[Lovex D063]*
<<locked>>
81%
33852
56%
**01
92%
Lovex S040
<<locked>>
81%
39030
65%
**34
100%
[Lovex S053]*
<<locked>>
81%
23177
39%
**04
94%
[ReloadSwiss RS 36]*
<<locked>>
85%
26165
44%
**93
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
22365
37%
**32
100%
[Shooters World Blackout]*
<<locked>>
81%
33852
56%
**01
92%
[Shooters World Buffalo Rifle]*
<<locked>>
81%
32039
53%
**62
91%
Vihtavuori N110
<<locked>>
81%
27369
46%
**86
100%
[Vihtavuori N120]*
<<locked>>
85%
20958
35%
**72
90%

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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