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Load data for .45 Blaser + .458 | 302gr | Lehigh Defense Xtreme Penetrator

Recommended Powder(s): IMR 4227, Lovex S053, ReloadSwiss RS 36

.45 Blaser + .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:
1.100" | 27.9mm
Caliber:
.45 Blaser load data
Case Length (l3):
2.146" | 54.5mm
Cartridge Length (C.O.L.):
2.657" | 67.5mm
Seated Depth:
0.589" | 15.0mm
Shank Seated Depth:
0.449" | 11.4mm
Case Capacity:
84.0 Grains of Water | 5.45 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
53664 psi | 3700 bar
LID:
LID_B11025_C728
Last updated:
2025-11-05
Recommended Twist Rate:
1:28 - 1:24

Load data for 40 loads in caliber .45 Blaser with .458 | 302gr | Lehigh Defense Xtreme Penetrator bullet and 20 powders such as IMR 4227, Lovex S053, 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>>
89%
48138
90%
**54
100%
ADI AR 2207
<<locked>>
97%
37478
70%
**77
99%
Accurate 1680
<<locked>>
93%
47703
89%
**52
95%
Accurate 5744
<<locked>>
86%
47718
89%
**43
98%
Accurate No. 11 FS
<<locked>>
86%
48022
89%
**26
100%
[Alliant Reloder-10x]*
<<locked>>
97%
31038
58%
**56
93%
Alliant Reloder-7
<<locked>>
97%
40524
76%
**70
96%
IMR 4198
<<locked>>
97%
35302
66%
**69
95%
IMR 4227 👍
<<locked>>
96%
48066
90%
**36
99%
Lovex D060
<<locked>>
88%
47718
89%
**43
98%
Lovex D063
<<locked>>
85%
47688
89%
**36
98%
Lovex S053 👍
<<locked>>
97%
46746
87%
**20
100%
Norma 200
<<locked>>
97%
34650
65%
**31
95%
ReloadSwiss RS 36 👍
<<locked>>
97%
47311
88%
**72
99%
SNPE Vectan BA6 1/2
<<locked>>
97%
43439
81%
**59
100%
Shooters World Blackout
<<locked>>
85%
47688
89%
**36
98%
Shooters World Buffalo Rifle
<<locked>>
88%
47718
89%
**43
98%
Vihtavuori N110
<<locked>>
91%
47355
88%
**74
100%
Vihtavuori N120
<<locked>>
97%
35360
66%
**01
99%
[Vihtavuori N130]*
<<locked>>
97%
29834
56%
**67
91%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2205
<<locked>>
81%
38406
72%
**13
100%
[ADI AR 2207]*
<<locked>>
81%
23670
44%
**59
94%
[Accurate 1680]*
<<locked>>
82%
33025
62%
**03
90%
Accurate 5744
<<locked>>
81%
41104
77%
**38
97%
Accurate No. 11 FS
<<locked>>
81%
41075
77%
**28
99%
[Alliant Reloder-10x]*
<<locked>>
92%
26440
49%
**44
90%
[Alliant Reloder-7]*
<<locked>>
81%
25005
47%
**49
90%
[IMR 4198]*
<<locked>>
85%
26078
49%
**49
90%
IMR 4227
<<locked>>
81%
31067
58%
**41
96%
Lovex D060
<<locked>>
81%
38870
72%
**98
96%
Lovex D063
<<locked>>
81%
41901
78%
**44
97%
Lovex S053
<<locked>>
81%
29965
56%
**34
99%
[Norma 200]*
<<locked>>
85%
23859
44%
**78
90%
ReloadSwiss RS 36
<<locked>>
81%
29370
55%
**51
95%
SNPE Vectan BA6 1/2
<<locked>>
81%
28485
53%
**23
100%
Shooters World Blackout
<<locked>>
81%
41901
78%
**44
97%
Shooters World Buffalo Rifle
<<locked>>
81%
38870
72%
**98
96%
Vihtavuori N110
<<locked>>
81%
35694
67%
**06
100%
Vihtavuori N120
<<locked>>
81%
22582
42%
**96
95%
[Vihtavuori N130]*
<<locked>>
94%
27398
51%
**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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