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Load data for .458 Win.Mag. + .458 | 245gr | AERO SB,- smax:12.85

Recommended Powder(s): ADI AR 2207, Alliant Reloder-7, IMR 4227, Lovex S053, ReloadSwiss RS 36

.458 Win.Mag. + .458 | 245gr | AERO SB,- smax:12.85

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.458 | 245gr | AERO SB,- smax:12.85
Bullet Weight:
245gr | 15.9g
Bullet Diameter:
0.458" | 11.63mm
Bullet Length:
0.900" | 22.9mm
Caliber:
.458 Win.Mag. load data
Case Length (l3):
2.500" | 63.5mm
Cartridge Length (C.O.L.):
3.278" | 83.3mm
Seated Depth:
0.122" | 3.1mm
Shank Seated Depth:
0.122" | 3.1mm
Case Capacity:
95.0 Grains of Water | 6.17 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B141_C796
Last updated:
2025-01-01

Load data for 62 loads in caliber .458 Win.Mag. with .458 | 245gr | AERO SB,- smax:12.85 bullet and 31 powders such as ADI AR 2207, Alliant Reloder-7, IMR 4227, Lovex S053, ReloadSwiss RS 36. 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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    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.

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 2205
<<locked>>
88%
55695
89%
**48
100%
ADI AR 2207 👍
<<locked>>
97%
47834
77%
**33
100%
[ADI AR 2219]*
<<locked>>
97%
43918
70%
**71
94%
Accurate 1680
<<locked>>
92%
55579
89%
**89
98%
[Accurate 2015]*
<<locked>>
97%
34766
56%
**80
94%
Accurate 5744
<<locked>>
86%
55680
89%
**95
100%
Accurate No. 11 FS
<<locked>>
85%
55637
89%
**36
100%
Alliant AR-Comp
<<locked>>
97%
31270
50%
**35
95%
Alliant Reloder-10x
<<locked>>
97%
39175
63%
**92
97%
Alliant Reloder-7 👍
<<locked>>
97%
50502
81%
**33
99%
Baschieri & Pellagri 106
<<locked>>
97%
45339
73%
**89
95%
[Hodgdon CFE BLK]*
<<locked>>
97%
52431
84%
**77
92%
[Hodgdon H335]*
<<locked>>
97%
42728
69%
**44
92%
Hodgdon H4198
<<locked>>
97%
49023
79%
**58
95%
Hodgdon TrailBoss
<<locked>>
97%
28297
45%
**39
100%
IMR 4198
<<locked>>
97%
42496
68%
**99
98%
IMR 4227 👍
<<locked>>
94%
55550
89%
**53
100%
Lovex D060
<<locked>>
88%
55883
90%
**02
100%
Lovex D063
<<locked>>
84%
55390
89%
**63
100%
Lovex S053 👍
<<locked>>
96%
55912
90%
**43
100%
Norma 200
<<locked>>
97%
43947
70%
**74
99%
ReloadSwiss RS 14
<<locked>>
96%
27485
44%
**72
100%
ReloadSwiss RS 36 👍
<<locked>>
95%
55840
90%
**02
100%
SNPE Vectan BA6 1/2
<<locked>>
97%
51459
83%
**26
100%
[SNPE Vectan SP 10]*
<<locked>>
97%
43671
70%
**71
93%
Shooters World Blackout
<<locked>>
84%
55390
89%
**63
100%
Shooters World Buffalo Rifle
<<locked>>
88%
55883
90%
**02
100%
Vihtavuori N110
<<locked>>
91%
56130
90%
**77
100%
Vihtavuori N120
<<locked>>
97%
44077
71%
**22
100%
Vihtavuori N130
<<locked>>
97%
37391
60%
**84
96%
[Vihtavuori N133]*
<<locked>>
97%
30545
49%
**10
91%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2205
<<locked>>
81%
44846
72%
**87
100%
ADI AR 2207
<<locked>>
81%
28747
46%
**30
97%
[ADI AR 2219]*
<<locked>>
89%
33576
54%
**41
90%
[Accurate 1680]*
<<locked>>
81%
38464
62%
**84
94%
[Accurate 2015]*
<<locked>>
88%
26339
42%
**51
90%
Accurate 5744
<<locked>>
81%
47732
77%
**64
99%
Accurate No. 11 FS
<<locked>>
81%
49313
79%
**48
100%
[Alliant AR-Comp]*
<<locked>>
89%
24584
39%
**11
90%
[Alliant Reloder-10x]*
<<locked>>
82%
24453
39%
**05
90%
[Alliant Reloder-7]*
<<locked>>
81%
30371
49%
**13
94%
[Baschieri & Pellagri 106]*
<<locked>>
85%
31241
50%
**87
90%
[Hodgdon CFE BLK]*
<<locked>>
94%
47094
76%
**95
90%
[Hodgdon H335]*
<<locked>>
92%
36825
59%
**13
90%
[Hodgdon H4198]*
<<locked>>
85%
33692
54%
**36
90%
Hodgdon TrailBoss
<<locked>>
87%
24207
39%
**47
100%
[IMR 4198]*
<<locked>>
81%
26818
43%
**05
92%
IMR 4227
<<locked>>
81%
36753
59%
**25
98%
Lovex D060
<<locked>>
81%
45165
72%
**08
99%
Lovex D063
<<locked>>
81%
50386
81%
**87
99%
Lovex S053
<<locked>>
81%
35607
57%
**02
100%
[Norma 200]*
<<locked>>
81%
26339
42%
**61
93%
ReloadSwiss RS 14
<<locked>>
83%
22263
36%
**44
100%
ReloadSwiss RS 36
<<locked>>
81%
35433
57%
**41
98%
SNPE Vectan BA6 1/2
<<locked>>
81%
33446
54%
**38
100%
[SNPE Vectan SP 10]*
<<locked>>
91%
36361
58%
**13
90%
Shooters World Blackout
<<locked>>
81%
50386
81%
**87
99%
Shooters World Buffalo Rifle
<<locked>>
81%
45165
72%
**08
99%
Vihtavuori N110
<<locked>>
81%
42206
68%
**74
100%
Vihtavuori N120
<<locked>>
81%
26905
43%
**44
98%
[Vihtavuori N130]*
<<locked>>
84%
25063
40%
**62
90%
[Vihtavuori N133]*
<<locked>>
94%
28587
46%
**54
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.

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