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Load data for .458 Win.Mag. + .458 | 300gr | Lehigh Defense Controlled Fracturing

Recommended Powder(s): ADI AR 2207, Accurate 1680, Alliant Reloder-7, IMR 4198, Norma 200

.458 Win.Mag. + .458 | 300gr | Lehigh Defense Controlled Fracturing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.458 | 300gr | Lehigh Defense Controlled Fracturing
Manufacturer SKU:
Subsonic 02458300LP
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.458" | 11.63mm
Bullet Length:
1.125" | 28.6mm
Caliber:
.458 Win.Mag. load data
Case Length (l3):
2.500" | 63.5mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.335" | 8.5mm
Shank Seated Depth:
0.210" | 5.3mm
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_B11092_C796
Last updated:
2025-11-05
Recommended Twist Rate:
1:28 - 1:23

Load data for 78 loads in caliber .458 Win.Mag. with .458 | 300gr | Lehigh Defense Controlled Fracturing bullet and 39 powders such as ADI AR 2207, Accurate 1680, Alliant Reloder-7, IMR 4198, Norma 200. 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%
55477
89%
**20
100%
ADI AR 2207 👍
<<locked>>
97%
52707
85%
**67
100%
ADI AR 2219
<<locked>>
97%
48022
77%
**41
97%
Accurate 1680 👍
<<locked>>
89%
55999
90%
**74
99%
Accurate 2015
<<locked>>
97%
39030
63%
**70
97%
[Accurate 2460]*
<<locked>>
97%
41626
67%
**20
92%
[Accurate 2495]*
<<locked>>
97%
29892
48%
**85
94%
Accurate 5744
<<locked>>
84%
55956
90%
**61
100%
Alliant AR-Comp
<<locked>>
97%
34708
56%
**48
98%
Alliant Reloder-10x
<<locked>>
97%
43178
69%
**59
99%
Alliant Reloder-7 👍
<<locked>>
97%
55013
88%
**67
100%
Baschieri & Pellagri 106
<<locked>>
97%
49429
79%
**59
98%
[Hodgdon Benchmark]*
<<locked>>
97%
41104
66%
**44
92%
Hodgdon CFE BLK
<<locked>>
96%
55985
90%
**31
95%
Hodgdon H322
<<locked>>
97%
39726
64%
**97
95%
Hodgdon H335
<<locked>>
97%
47137
76%
**28
96%
Hodgdon H4198
<<locked>>
97%
52837
85%
**02
98%
[IMR 3031]*
<<locked>>
97%
30066
48%
**29
92%
IMR 4198 👍
<<locked>>
97%
46108
74%
**52
100%
IMR 4227
<<locked>>
92%
55637
89%
**18
100%
Lovex D060
<<locked>>
86%
55956
90%
**61
100%
[Lovex D073.4]*
<<locked>>
97%
44193
71%
**43
93%
[Lovex D073.5]*
<<locked>>
97%
40727
65%
**97
92%
Lovex S053
<<locked>>
93%
55840
90%
**02
100%
Norma 200 👍
<<locked>>
97%
49603
80%
**48
100%
[Norma 202]*
<<locked>>
97%
33431
54%
**75
91%
ReloadSwiss RS 36
<<locked>>
92%
55637
89%
**64
100%
[ReloadSwiss RS 40]*
<<locked>>
97%
42627
68%
**30
93%
[Rottweil R 901]*
<<locked>>
97%
37086
59%
**18
93%
SNPE Vectan BA6 1/2
<<locked>>
97%
55187
88%
**44
100%
SNPE Vectan SP 10
<<locked>>
97%
47790
77%
**41
96%
[SNPE Vectan Tubal 3000]*
<<locked>>
97%
37028
59%
**59
93%
Shooters World Buffalo Rifle
<<locked>>
86%
55956
90%
**61
100%
[Shooters World Tactical Rifle]*
<<locked>>
97%
47297
76%
**46
92%
[Somchem S335]*
<<locked>>
97%
35839
57%
**65
94%
Vihtavuori N110
<<locked>>
87%
55172
88%
**20
100%
Vihtavuori N120
<<locked>>
97%
48486
78%
**59
100%
Vihtavuori N130
<<locked>>
97%
41452
66%
**64
98%
Vihtavuori N133
<<locked>>
97%
33881
54%
**20
95%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2205
<<locked>>
81%
48312
77%
**28
100%
ADI AR 2207
<<locked>>
81%
32271
52%
**23
99%
[ADI AR 2219]*
<<locked>>
81%
28732
46%
**38
90%
Accurate 1680
<<locked>>
81%
42395
68%
**64
97%
[Accurate 2015]*
<<locked>>
81%
23801
38%
**10
91%
[Accurate 2460]*
<<locked>>
92%
35636
57%
**98
90%
[Accurate 2495]*
<<locked>>
89%
23090
37%
**92
90%
Accurate 5744
<<locked>>
81%
51285
82%
**92
100%
[Alliant AR-Comp]*
<<locked>>
81%
21654
35%
**64
91%
[Alliant Reloder-10x]*
<<locked>>
81%
26774
43%
**01
94%
Alliant Reloder-7
<<locked>>
81%
34098
55%
**16
97%
[Baschieri & Pellagri 106]*
<<locked>>
81%
29544
47%
**85
92%
[Hodgdon Benchmark]*
<<locked>>
93%
37246
60%
**65
90%
[Hodgdon CFE BLK]*
<<locked>>
86%
39726
64%
**72
90%
[Hodgdon H322]*
<<locked>>
86%
28732
46%
**38
90%
[Hodgdon H335]*
<<locked>>
85%
31836
51%
**23
90%
[Hodgdon H4198]*
<<locked>>
81%
33040
53%
**41
92%
[IMR 3031]*
<<locked>>
94%
27557
44%
**57
90%
IMR 4198
<<locked>>
81%
29675
48%
**18
96%
IMR 4227
<<locked>>
81%
40292
65%
**88
100%
Lovex D060
<<locked>>
81%
48588
78%
**52
100%
[Lovex D073.4]*
<<locked>>
91%
36027
58%
**88
90%
[Lovex D073.5]*
<<locked>>
93%
35592
57%
**02
90%
Lovex S053
<<locked>>
81%
39233
63%
**62
100%
Norma 200
<<locked>>
81%
30284
49%
**80
96%
[Norma 202]*
<<locked>>
94%
30777
49%
**10
90%
ReloadSwiss RS 36
<<locked>>
81%
39218
63%
**15
100%
[ReloadSwiss RS 40]*
<<locked>>
90%
34418
55%
**59
90%
[Rottweil R 901]*
<<locked>>
91%
30893
50%
**83
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
36811
59%
**95
100%
[SNPE Vectan SP 10]*
<<locked>>
84%
31241
50%
**10
90%
[SNPE Vectan Tubal 3000]*
<<locked>>
91%
31067
50%
**31
90%
Shooters World Buffalo Rifle
<<locked>>
81%
48588
78%
**52
100%
[Shooters World Tactical Rifle]*
<<locked>>
93%
42061
67%
**57
90%
[Somchem S335]*
<<locked>>
89%
27978
45%
**85
90%
Vihtavuori N110
<<locked>>
81%
46311
74%
**05
100%
Vihtavuori N120
<<locked>>
81%
30269
49%
**44
100%
[Vihtavuori N130]*
<<locked>>
81%
25773
41%
**19
93%
[Vihtavuori N133]*
<<locked>>
85%
24642
40%
**80
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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