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Load data for 458 x 2'' American + .458 | 465gr | A-Square MONO RN

Recommended Powder(s): Accurate 1680, Alliant Reloder-7, IMR 4227, Norma 200, ReloadSwiss RS 36

458 x 2'' American + .458 | 465gr | A-Square MONO RN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.458 | 465gr | A-Square MONO RN
Bullet Weight:
465gr | 30.1g
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_B405_C792
Last updated:
2026-04-29

Load data for 70 loads in caliber 458 x 2'' American with .458 | 465gr | A-Square MONO RN bullet and 35 powders such as Accurate 1680, Alliant Reloder-7, IMR 4227, Norma 200, 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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  • 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 2205
<<locked>>
88%
53417
89%
**19
100%
ADI AR 2207
<<locked>>
96%
44411
74%
**78
100%
ADI AR 2219
<<locked>>
97%
41249
69%
**65
96%
Accurate 1680 👍
<<locked>>
92%
53127
89%
**31
99%
Accurate 2015
<<locked>>
97%
32518
54%
**50
97%
[Accurate 2495]*
<<locked>>
96%
23453
39%
**78
93%
Accurate 5744
<<locked>>
86%
53896
90%
**21
100%
Accurate No. 11 FS
<<locked>>
84%
53156
89%
**75
100%
Alliant AR-Comp
<<locked>>
96%
29356
49%
**27
97%
Alliant Reloder-10x
<<locked>>
97%
37086
62%
**19
99%
Alliant Reloder-7 👍
<<locked>>
96%
47152
79%
**81
100%
Baschieri & Pellagri 106
<<locked>>
97%
42569
71%
**16
97%
Hodgdon CFE BLK
<<locked>>
88%
53809
90%
**31
95%
[Hodgdon H322]*
<<locked>>
96%
33939
57%
**63
94%
[Hodgdon H335]*
<<locked>>
97%
39885
66%
**55
94%
Hodgdon H4198
<<locked>>
96%
45745
76%
**32
97%
IMR 4198
<<locked>>
97%
40814
68%
**13
99%
IMR 4227 👍
<<locked>>
95%
53751
90%
**95
100%
Lovex D060
<<locked>>
88%
53548
89%
**14
100%
Lovex D063
<<locked>>
84%
53113
89%
**01
100%
Lovex S053
<<locked>>
96%
53098
89%
**78
100%
Norma 200 👍
<<locked>>
96%
41263
69%
**65
100%
ReloadSwiss RS 36 👍
<<locked>>
96%
53925
90%
**34
100%
[ReloadSwiss RS 40]*
<<locked>>
96%
36129
60%
**83
92%
[Rottweil R 901]*
<<locked>>
97%
31444
52%
**17
92%
SNPE Vectan BA6 1/2
<<locked>>
97%
49501
83%
**37
100%
SNPE Vectan SP 10
<<locked>>
97%
40915
68%
**72
95%
[SNPE Vectan Tubal 3000]*
<<locked>>
97%
31792
53%
**78
92%
Shooters World Blackout
<<locked>>
84%
53113
89%
**01
100%
Shooters World Buffalo Rifle
<<locked>>
88%
53548
89%
**14
100%
[Somchem S335]*
<<locked>>
96%
29660
49%
**75
92%
Vihtavuori N110
<<locked>>
90%
53200
89%
**13
100%
Vihtavuori N120
<<locked>>
96%
44382
74%
**49
100%
Vihtavuori N130
<<locked>>
97%
36056
60%
**57
98%
Vihtavuori N133
<<locked>>
97%
31778
53%
**91
95%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2205
<<locked>>
81%
43714
73%
**27
100%
ADI AR 2207
<<locked>>
81%
27775
46%
**55
99%
[ADI AR 2219]*
<<locked>>
83%
26789
45%
**32
90%
Accurate 1680
<<locked>>
81%
37275
62%
**50
96%
[Accurate 2015]*
<<locked>>
86%
23337
39%
**83
93%
[Accurate 2495]*
<<locked>>
91%
20131
34%
**96
90%
Accurate 5744
<<locked>>
81%
46267
77%
**39
100%
Accurate No. 11 FS
<<locked>>
81%
47326
79%
**22
100%
[Alliant AR-Comp]*
<<locked>>
88%
22814
38%
**86
94%
[Alliant Reloder-10x]*
<<locked>>
82%
23438
39%
**86
94%
Alliant Reloder-7
<<locked>>
81%
29530
49%
**52
97%
[Baschieri & Pellagri 106]*
<<locked>>
82%
26861
45%
**80
91%
[Hodgdon CFE BLK]*
<<locked>>
81%
43076
72%
**09
92%
[Hodgdon H322]*
<<locked>>
88%
26789
45%
**32
90%
[Hodgdon H335]*
<<locked>>
87%
29225
49%
**85
90%
[Hodgdon H4198]*
<<locked>>
81%
29356
49%
**03
92%
IMR 4198
<<locked>>
81%
26194
44%
**83
96%
IMR 4227
<<locked>>
81%
35491
59%
**98
100%
Lovex D060
<<locked>>
81%
43758
73%
**09
100%
Lovex D063
<<locked>>
81%
48501
81%
**59
100%
Lovex S053
<<locked>>
81%
34447
57%
**78
100%
Norma 200
<<locked>>
81%
25657
43%
**29
96%
ReloadSwiss RS 36
<<locked>>
81%
34505
58%
**21
99%
[ReloadSwiss RS 40]*
<<locked>>
92%
31778
53%
**17
90%
[Rottweil R 901]*
<<locked>>
93%
27934
47%
**58
90%
SNPE Vectan BA6 1/2
<<locked>>
82%
33591
56%
**76
100%
[SNPE Vectan SP 10]*
<<locked>>
86%
28572
48%
**78
90%
[SNPE Vectan Tubal 3000]*
<<locked>>
93%
28268
47%
**19
90%
Shooters World Blackout
<<locked>>
81%
48501
81%
**59
100%
Shooters World Buffalo Rifle
<<locked>>
81%
43758
73%
**09
100%
[Somchem S335]*
<<locked>>
91%
25686
43%
**99
90%
Vihtavuori N110
<<locked>>
81%
40930
68%
**01
100%
Vihtavuori N120
<<locked>>
81%
28152
47%
**35
100%
[Vihtavuori N130]*
<<locked>>
85%
25150
42%
**80
94%
[Vihtavuori N133]*
<<locked>>
89%
25440
42%
**76
92%

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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