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Load data for 458 x 2'' American + .458 | 300gr | Remington HP

Recommended Powder(s): Accurate 5744, IMR 4227, Lovex D060, ReloadSwiss RS 36, Shooters World Buffalo Rifle

458 x 2'' American + .458 | 300gr | Remington HP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.458 | 300gr | Remington HP
Bullet Weight:
300gr | 19.4g
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_B5208_C792
Last updated:
2026-05-31

Load data for 48 loads in caliber 458 x 2'' American with .458 | 300gr | Remington HP bullet and 24 powders such as Accurate 5744, IMR 4227, Lovex D060, ReloadSwiss RS 36, Shooters World Buffalo Rifle. 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>>
91%
53708
90%
**43
100%
ADI AR 2207
<<locked>>
97%
39392
66%
**33
99%
Accurate 1680
<<locked>>
97%
48965
82%
**75
98%
Accurate 5744 👍
<<locked>>
85%
53766
90%
**57
99%
Accurate No. 11 FS
<<locked>>
88%
53592
89%
**18
100%
[Alliant Reloder-10x]*
<<locked>>
97%
32605
54%
**11
94%
Alliant Reloder-7
<<locked>>
97%
42264
70%
**23
97%
[Baschieri & Pellagri 106]*
<<locked>>
97%
38145
64%
**05
92%
[Hodgdon H4198]*
<<locked>>
97%
45237
75%
**06
93%
Hodgdon LilGun
<<locked>>
84%
53969
90%
**41
100%
IMR 4198
<<locked>>
97%
36535
61%
**18
96%
IMR 4227 👍
<<locked>>
96%
50763
85%
**95
100%
Lovex D060 👍
<<locked>>
91%
53200
89%
**51
99%
Lovex D063
<<locked>>
87%
53708
90%
**41
99%
Lovex S040
<<locked>>
84%
53519
89%
**23
100%
Lovex S053
<<locked>>
97%
48486
81%
**65
100%
Norma 200
<<locked>>
97%
36289
60%
**83
96%
ReloadSwiss RS 36 👍
<<locked>>
97%
49255
82%
**18
100%
SNPE Vectan BA6 1/2
<<locked>>
97%
44904
75%
**95
100%
Shooters World Blackout
<<locked>>
87%
53708
90%
**41
99%
Shooters World Buffalo Rifle 👍
<<locked>>
91%
53200
89%
**51
99%
Vihtavuori N110
<<locked>>
94%
52910
88%
**52
100%
Vihtavuori N120
<<locked>>
97%
39755
66%
**03
100%
[Vihtavuori N130]*
<<locked>>
96%
31763
53%
**29
93%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2205
<<locked>>
81%
39682
66%
**52
100%
ADI AR 2207
<<locked>>
81%
24743
41%
**11
95%
[Accurate 1680]*
<<locked>>
81%
29008
48%
**24
92%
Accurate 5744
<<locked>>
81%
47297
79%
**62
98%
Accurate No. 11 FS
<<locked>>
81%
42772
71%
**74
100%
[Alliant Reloder-10x]*
<<locked>>
89%
25599
43%
**41
90%
[Alliant Reloder-7]*
<<locked>>
81%
26034
43%
**95
91%
[Baschieri & Pellagri 106]*
<<locked>>
93%
34301
57%
**26
90%
[Hodgdon H4198]*
<<locked>>
89%
36143
60%
**52
90%
Hodgdon LilGun
<<locked>>
81%
49617
83%
**92
100%
[IMR 4198]*
<<locked>>
83%
25063
42%
**42
90%
IMR 4227
<<locked>>
81%
32039
53%
**87
96%
Lovex D060
<<locked>>
81%
40190
67%
**44
97%
Lovex D063
<<locked>>
81%
43511
73%
**97
98%
Lovex S040
<<locked>>
81%
49211
82%
**67
100%
Lovex S053
<<locked>>
81%
30966
52%
**73
99%
[Norma 200]*
<<locked>>
82%
23221
39%
**78
90%
ReloadSwiss RS 36
<<locked>>
81%
30501
51%
**96
96%
SNPE Vectan BA6 1/2
<<locked>>
81%
29443
49%
**52
100%
Shooters World Blackout
<<locked>>
81%
43511
73%
**97
98%
Shooters World Buffalo Rifle
<<locked>>
81%
40190
67%
**44
97%
Vihtavuori N110
<<locked>>
81%
36593
61%
**33
100%
Vihtavuori N120
<<locked>>
81%
25164
42%
**91
97%
[Vihtavuori N130]*
<<locked>>
91%
26847
45%
**18
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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