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Load data for 458 x 2'' American + .458 | 300gr | Nosler CT Ballistic Silvertip

Recommended Powder(s): Accurate 5744, IMR 4227, Lovex D060, Lovex D063, Shooters World Buffalo Rifle

458 x 2'' American + .458 | 300gr | Nosler CT Ballistic Silvertip

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.458 | 300gr | Nosler CT Ballistic Silvertip
Manufacturer SKU:
51834
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_B4207_C792
Last updated:
2026-04-26

Load data for 44 loads in caliber 458 x 2'' American with .458 | 300gr | Nosler CT Ballistic Silvertip bullet and 22 powders such as Accurate 5744, IMR 4227, Lovex D060, Lovex D063, 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>>
92%
53214
89%
**00
100%
ADI AR 2207
<<locked>>
96%
36651
61%
**47
99%
Accurate 1680
<<locked>>
97%
52779
88%
**05
96%
Accurate 5744 👍
<<locked>>
91%
53679
89%
**15
99%
Accurate No. 11 FS
<<locked>>
90%
53751
90%
**85
100%
[Alliant Reloder-10x]*
<<locked>>
97%
30182
50%
**26
92%
Alliant Reloder-7
<<locked>>
96%
39552
66%
**41
96%
Hodgdon LilGun
<<locked>>
85%
52953
88%
**02
100%
[IMR 4198]*
<<locked>>
96%
34505
58%
**36
94%
IMR 4227 👍
<<locked>>
97%
48472
81%
**29
99%
Lovex D060 👍
<<locked>>
93%
53679
89%
**15
99%
Lovex D063 👍
<<locked>>
89%
53272
89%
**95
99%
Lovex S040
<<locked>>
85%
53548
89%
**90
100%
Lovex S053
<<locked>>
96%
45397
76%
**93
100%
Norma 200
<<locked>>
97%
33736
56%
**01
95%
ReloadSwiss RS 36
<<locked>>
97%
46920
78%
**52
99%
SNPE Vectan BA6 1/2
<<locked>>
97%
42728
71%
**39
100%
Shooters World Blackout
<<locked>>
89%
53272
89%
**95
99%
Shooters World Buffalo Rifle 👍
<<locked>>
93%
53679
89%
**15
99%
Vihtavuori N110
<<locked>>
96%
53345
89%
**23
100%
Vihtavuori N120
<<locked>>
96%
37072
62%
**24
99%
[Vihtavuori N130]*
<<locked>>
97%
30269
50%
**60
91%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2205
<<locked>>
81%
37971
63%
**90
100%
[ADI AR 2207]*
<<locked>>
81%
23279
39%
**36
93%
[Accurate 1680]*
<<locked>>
83%
33547
56%
**00
90%
Accurate 5744
<<locked>>
81%
40437
67%
**11
96%
Accurate No. 11 FS
<<locked>>
81%
40248
67%
**05
99%
[Alliant Reloder-10x]*
<<locked>>
93%
27021
45%
**51
90%
[Alliant Reloder-7]*
<<locked>>
82%
25527
43%
**52
90%
Hodgdon LilGun
<<locked>>
81%
46354
77%
**23
100%
[IMR 4198]*
<<locked>>
87%
26484
44%
**52
90%
IMR 4227
<<locked>>
81%
30530
51%
**18
95%
Lovex D060
<<locked>>
81%
38363
64%
**72
96%
Lovex D063
<<locked>>
81%
41162
69%
**21
97%
Lovex S040
<<locked>>
81%
47050
78%
**11
100%
Lovex S053
<<locked>>
81%
29341
49%
**11
98%
[Norma 200]*
<<locked>>
86%
24279
40%
**85
90%
[ReloadSwiss RS 36]*
<<locked>>
81%
28747
48%
**28
94%
SNPE Vectan BA6 1/2
<<locked>>
81%
27818
46%
**96
100%
Shooters World Blackout
<<locked>>
81%
41162
69%
**21
97%
Shooters World Buffalo Rifle
<<locked>>
81%
38363
64%
**72
96%
Vihtavuori N110
<<locked>>
81%
34853
58%
**77
100%
Vihtavuori N120
<<locked>>
81%
23714
40%
**23
95%
[Vihtavuori N130]*
<<locked>>
94%
28036
47%
**11
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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