top of page

Load data for .458 Win.Mag. + .458 | 300gr | Impala LWHV LS

Recommended Powder(s):

.458 Win.Mag. + .458 | 300gr | Impala LWHV LS

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.458 | 300gr | Impala LWHV LS
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.458" | 11.63mm
Bullet Length:
1.325" | 33.7mm
Caliber:
.458 Win.Mag. load data
Case Length (l3):
2.500" | 63.5mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.535" | 13.6mm
Shank Seated Depth:
0.535" | 13.6mm
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_B3028_C796
Last updated:
2025-01-01

Load data for 64 loads in caliber .458 Win.Mag. with .458 | 300gr | Impala LWHV LS bullet and 32 powder(s). 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".

  • No data yet

  • 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.

    .

    Loading_icon.gif

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>>
87%
55564
89%
**48
100%
ADI AR 2207
<<locked>>
97%
48791
78%
**43
100%
ADI AR 2219
<<locked>>
97%
45266
73%
**10
95%
Accurate 1680 👍
<<locked>>
91%
55347
89%
**75
98%
Accurate 2015
<<locked>>
97%
36622
59%
**52
96%
[Accurate 2495]*
<<locked>>
97%
28297
45%
**67
92%
Accurate 5744
<<locked>>
85%
55506
89%
**75
100%
Accurate No. 11 FS
<<locked>>
84%
55666
89%
**30
100%
Alliant AR-Comp
<<locked>>
97%
33098
53%
**20
96%
Alliant Reloder-10x
<<locked>>
97%
40524
65%
**38
98%
Alliant Reloder-7 👍
<<locked>>
97%
51692
83%
**43
99%
Baschieri & Pellagri 106
<<locked>>
97%
46267
74%
**31
96%
[Hodgdon CFE BLK]*
<<locked>>
97%
53272
85%
**07
92%
[Hodgdon H322]*
<<locked>>
97%
37260
60%
**59
93%
[Hodgdon H335]*
<<locked>>
97%
44208
71%
**97
94%
Hodgdon H4198
<<locked>>
97%
49850
80%
**70
96%
IMR 4198
<<locked>>
97%
44034
71%
**38
99%
IMR 4227 👍
<<locked>>
94%
55680
89%
**46
100%
Lovex D060
<<locked>>
87%
55506
89%
**75
100%
Lovex D063
<<locked>>
84%
55796
89%
**59
100%
Lovex S053
<<locked>>
95%
56072
90%
**30
100%
Norma 200 👍
<<locked>>
97%
46456
74%
**23
99%
ReloadSwiss RS 36 👍
<<locked>>
95%
55782
89%
**89
100%
SNPE Vectan BA6 1/2
<<locked>>
97%
52620
84%
**52
100%
[SNPE Vectan SP 10]*
<<locked>>
97%
45150
72%
**10
94%
Shooters World Blackout
<<locked>>
84%
55796
89%
**59
100%
Shooters World Buffalo Rifle
<<locked>>
87%
55506
89%
**75
100%
[Somchem S335]*
<<locked>>
97%
33837
54%
**44
91%
Vihtavuori N110
<<locked>>
90%
55883
90%
**61
100%
Vihtavuori N120
<<locked>>
97%
45063
72%
**48
100%
Vihtavuori N130
<<locked>>
97%
38841
62%
**43
97%
[Vihtavuori N133]*
<<locked>>
97%
31981
51%
**98
93%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2205
<<locked>>
81%
46296
74%
**26
100%
ADI AR 2207
<<locked>>
81%
30835
49%
**21
99%
[ADI AR 2219]*
<<locked>>
86%
32068
51%
**41
90%
Accurate 1680
<<locked>>
81%
40030
64%
**39
95%
[Accurate 2015]*
<<locked>>
83%
24700
40%
**60
90%
[Accurate 2495]*
<<locked>>
93%
25121
40%
**78
90%
Accurate 5744
<<locked>>
81%
48921
78%
**77
99%
Accurate No. 11 FS
<<locked>>
81%
50908
82%
**64
100%
[Alliant AR-Comp]*
<<locked>>
84%
23554
38%
**41
90%
[Alliant Reloder-10x]*
<<locked>>
81%
25802
41%
**03
92%
Alliant Reloder-7
<<locked>>
81%
32605
52%
**11
96%
[Baschieri & Pellagri 106]*
<<locked>>
82%
29530
47%
**03
90%
[Hodgdon CFE BLK]*
<<locked>>
91%
45121
72%
**79
90%
[Hodgdon H322]*
<<locked>>
92%
32256
52%
**44
90%
[Hodgdon H335]*
<<locked>>
90%
35389
57%
**20
90%
[Hodgdon H4198]*
<<locked>>
81%
31981
51%
**39
90%
[IMR 4198]*
<<locked>>
81%
28674
46%
**16
94%
IMR 4227
<<locked>>
81%
38247
61%
**80
99%
Lovex D060
<<locked>>
81%
46398
74%
**34
99%
Lovex D063
<<locked>>
81%
51445
82%
**00
100%
Lovex S053
<<locked>>
81%
37449
60%
**60
100%
Norma 200
<<locked>>
81%
29022
47%
**78
95%
ReloadSwiss RS 36
<<locked>>
81%
37101
59%
**00
99%
SNPE Vectan BA6 1/2
<<locked>>
81%
35447
57%
**10
100%
[SNPE Vectan SP 10]*
<<locked>>
89%
34824
56%
**10
90%
Shooters World Blackout
<<locked>>
81%
51445
82%
**00
100%
Shooters World Buffalo Rifle
<<locked>>
81%
46398
74%
**34
99%
[Somchem S335]*
<<locked>>
94%
31140
50%
**85
90%
Vihtavuori N110
<<locked>>
81%
44295
71%
**10
100%
Vihtavuori N120
<<locked>>
81%
29080
47%
**46
99%
[Vihtavuori N130]*
<<locked>>
81%
24889
40%
**21
91%
[Vihtavuori N133]*
<<locked>>
91%
27557
44%
**87
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

bottom of page