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Load data for .458 Win.Mag. + .458 | 302gr | Lehigh Defense Xtreme Penetrator

Recommended Powder(s): Accurate 1680, Alliant Reloder-7, IMR 4198, Norma 200, ReloadSwiss RS 36

.458 Win.Mag. + .458 | 302gr | Lehigh Defense Xtreme Penetrator

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.458 | 302gr | Lehigh Defense Xtreme Penetrator
Manufacturer SKU:
Penetr 07458302SP
Bullet Weight:
302gr | 19.6g
Bullet Diameter:
0.458" | 11.63mm
Bullet Length:
<<locked>>
Caliber:
.458 Win.Mag. load data
Case Length (l3):
2.500" | 63.5mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
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_B11025_C796
Last updated:
2026-03-25
Recommended Twist Rate:
1:29 - 1:24

Load data for 80 loads in caliber .458 Win.Mag. with .458 | 302gr | Lehigh Defense Xtreme Penetrator bullet and 40 powders such as Accurate 1680, Alliant Reloder-7, IMR 4198, 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>>
86%
55709
89%
**16
100%
ADI AR 2207
<<locked>>
97%
51590
83%
**51
100%
ADI AR 2219
<<locked>>
97%
47558
76%
**38
97%
Accurate 1680 👍
<<locked>>
90%
56115
90%
**74
99%
Accurate 2015
<<locked>>
97%
38247
61%
**57
97%
[Accurate 2460]*
<<locked>>
97%
40654
65%
**97
92%
[Accurate 2495]*
<<locked>>
97%
28529
46%
**56
94%
Accurate 5744
<<locked>>
84%
55637
89%
**51
100%
Alliant AR-Comp
<<locked>>
97%
33808
54%
**28
98%
Alliant Reloder-10x
<<locked>>
97%
42395
68%
**49
99%
Alliant Reloder-7 👍
<<locked>>
97%
54056
87%
**54
100%
Baschieri & Pellagri 106
<<locked>>
97%
49008
79%
**49
98%
[Hodgdon Benchmark]*
<<locked>>
97%
40306
65%
**31
92%
Hodgdon CFE BLK
<<locked>>
85%
55956
90%
**80
95%
Hodgdon H322
<<locked>>
97%
38957
62%
**80
95%
Hodgdon H335
<<locked>>
97%
46209
74%
**18
96%
Hodgdon H4198
<<locked>>
97%
52170
84%
**89
98%
Hodgdon TrailBoss
<<locked>>
97%
29022
47%
**29
100%
IMR 4198 👍
<<locked>>
97%
45803
73%
**46
100%
IMR 4227
<<locked>>
92%
55796
89%
**21
100%
Lovex D060
<<locked>>
86%
55941
90%
**57
100%
[Lovex D073.4]*
<<locked>>
97%
42728
69%
**20
93%
[Lovex D073.5]*
<<locked>>
97%
39769
64%
**84
92%
Lovex S053
<<locked>>
94%
55521
89%
**95
100%
Norma 200 👍
<<locked>>
97%
48341
78%
**28
100%
[Norma 202]*
<<locked>>
97%
32750
53%
**62
91%
ReloadSwiss RS 14
<<locked>>
97%
28689
46%
**62
100%
ReloadSwiss RS 36 👍
<<locked>>
93%
55709
89%
**61
100%
[ReloadSwiss RS 40]*
<<locked>>
97%
41989
67%
**13
93%
[Rottweil R 901]*
<<locked>>
97%
36100
58%
**05
93%
SNPE Vectan BA6 1/2
<<locked>>
97%
54940
88%
**38
100%
SNPE Vectan SP 10
<<locked>>
97%
47326
76%
**35
96%
[SNPE Vectan Tubal 3000]*
<<locked>>
97%
36289
58%
**49
93%
Shooters World Buffalo Rifle
<<locked>>
86%
55941
90%
**57
100%
[Shooters World Tactical Rifle]*
<<locked>>
97%
46557
75%
**36
92%
[Somchem S335]*
<<locked>>
97%
34722
56%
**46
94%
Vihtavuori N110
<<locked>>
88%
55477
89%
**20
100%
Vihtavuori N120
<<locked>>
97%
47892
77%
**52
100%
Vihtavuori N130
<<locked>>
97%
40263
65%
**44
98%
Vihtavuori N133
<<locked>>
97%
32909
53%
**03
95%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2205
<<locked>>
81%
47659
76%
**15
100%
ADI AR 2207
<<locked>>
81%
31372
50%
**03
99%
[ADI AR 2219]*
<<locked>>
81%
28340
45%
**31
90%
Accurate 1680
<<locked>>
81%
41292
66%
**48
97%
[Accurate 2015]*
<<locked>>
81%
22785
37%
**83
90%
[Accurate 2460]*
<<locked>>
93%
34954
56%
**88
90%
[Accurate 2495]*
<<locked>>
90%
22176
36%
**72
90%
Accurate 5744
<<locked>>
81%
50633
81%
**85
100%
[Alliant AR-Comp]*
<<locked>>
81%
20740
33%
**34
90%
[Alliant Reloder-10x]*
<<locked>>
81%
25846
41%
**82
94%
Alliant Reloder-7
<<locked>>
81%
32837
53%
**97
97%
[Baschieri & Pellagri 106]*
<<locked>>
81%
29008
47%
**72
92%
[Hodgdon Benchmark]*
<<locked>>
93%
36521
59%
**56
90%
[Hodgdon CFE BLK]*
<<locked>>
81%
48327
77%
**62
93%
[Hodgdon H322]*
<<locked>>
87%
28514
46%
**34
90%
[Hodgdon H335]*
<<locked>>
85%
31183
50%
**10
90%
[Hodgdon H4198]*
<<locked>>
81%
32358
52%
**31
92%
Hodgdon TrailBoss
<<locked>>
91%
26556
43%
**80
100%
IMR 4198
<<locked>>
81%
28761
46%
**98
96%
IMR 4227
<<locked>>
81%
39537
63%
**79
100%
Lovex D060
<<locked>>
81%
47877
77%
**43
100%
[Lovex D073.4]*
<<locked>>
91%
35201
56%
**79
90%
[Lovex D073.5]*
<<locked>>
93%
34969
56%
**95
90%
Lovex S053
<<locked>>
81%
38261
61%
**46
100%
Norma 200
<<locked>>
81%
28819
46%
**51
96%
[Norma 202]*
<<locked>>
94%
30269
49%
**03
90%
ReloadSwiss RS 14
<<locked>>
87%
24656
40%
**83
100%
ReloadSwiss RS 36
<<locked>>
81%
38232
61%
**95
99%
[ReloadSwiss RS 40]*
<<locked>>
90%
34055
55%
**56
90%
[Rottweil R 901]*
<<locked>>
91%
30342
49%
**74
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
35795
57%
**78
100%
[SNPE Vectan SP 10]*
<<locked>>
84%
30777
49%
**03
90%
[SNPE Vectan Tubal 3000]*
<<locked>>
92%
30647
49%
**24
90%
Shooters World Buffalo Rifle
<<locked>>
81%
47877
77%
**43
100%
[Shooters World Tactical Rifle]*
<<locked>>
93%
41162
66%
**44
90%
[Somchem S335]*
<<locked>>
90%
27731
44%
**82
90%
Vihtavuori N110
<<locked>>
81%
45324
73%
**95
100%
Vihtavuori N120
<<locked>>
81%
29472
47%
**28
100%
[Vihtavuori N130]*
<<locked>>
81%
24729
40%
**96
93%
[Vihtavuori N133]*
<<locked>>
86%
24091
39%
**70
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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