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Load data for 458 x 2'' American + .458 | 305gr | Lehigh Defense Controlled Fracturing

Recommended Powder(s): ADI AR 2205, Accurate No. 11 FS, Hodgdon LilGun

458 x 2'' American + .458 | 305gr | Lehigh Defense Controlled Fracturing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.458 | 305gr | Lehigh Defense Controlled Fracturing
Manufacturer SKU:
02458305SP
Bullet Weight:
305gr | 19.8g
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_B11094_C792
Last updated:
2026-05-07
Recommended Twist Rate:
1:28 - 1:24

Load data for 38 loads in caliber 458 x 2'' American with .458 | 305gr | Lehigh Defense Controlled Fracturing bullet and 19 powders such as ADI AR 2205, Accurate No. 11 FS, Hodgdon LilGun. 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 APS 450
<<locked>>
83%
53679
89%
**70
100%
ADI AR 2205 👍
<<locked>>
96%
53142
89%
**08
100%
ADI AR 2207
<<locked>>
96%
31212
52%
**60
96%
[Accurate 1680]*
<<locked>>
97%
45876
76%
**08
93%
Accurate 5744
<<locked>>
94%
52924
88%
**00
98%
Accurate No. 11 FS 👍
<<locked>>
94%
53563
89%
**87
100%
[Alliant Reloder-7]*
<<locked>>
97%
33562
56%
**57
93%
Hodgdon LilGun 👍
<<locked>>
90%
53766
90%
**33
100%
IMR 4227
<<locked>>
97%
42395
71%
**49
97%
Lovex D060
<<locked>>
96%
53592
89%
**06
98%
Lovex D063
<<locked>>
92%
53447
89%
**90
98%
Lovex S040
<<locked>>
89%
53098
89%
**95
100%
Lovex S053
<<locked>>
97%
39697
66%
**23
100%
ReloadSwiss RS 36
<<locked>>
96%
39987
67%
**59
97%
SNPE Vectan BA6 1/2
<<locked>>
96%
36535
61%
**85
100%
Shooters World Blackout
<<locked>>
92%
53447
89%
**90
98%
Shooters World Buffalo Rifle
<<locked>>
96%
53592
89%
**06
98%
Vihtavuori N110
<<locked>>
96%
47181
79%
**75
100%
Vihtavuori N120
<<locked>>
96%
31763
53%
**41
97%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
81%
51213
85%
**44
100%
ADI AR 2205
<<locked>>
81%
33518
56%
**32
98%
[ADI AR 2207]*
<<locked>>
83%
20929
35%
**95
90%
[Accurate 1680]*
<<locked>>
91%
37594
63%
**83
90%
[Accurate 5744]*
<<locked>>
81%
35810
60%
**37
94%
Accurate No. 11 FS
<<locked>>
81%
34940
58%
**31
97%
[Alliant Reloder-7]*
<<locked>>
91%
28239
47%
**46
90%
Hodgdon LilGun
<<locked>>
81%
39291
66%
**62
100%
[IMR 4227]*
<<locked>>
81%
26527
44%
**47
92%
[Lovex D060]*
<<locked>>
81%
34098
57%
**01
93%
[Lovex D063]*
<<locked>>
81%
36492
61%
**47
94%
Lovex S040
<<locked>>
81%
41771
70%
**60
100%
Lovex S053
<<locked>>
81%
25179
42%
**47
96%
[ReloadSwiss RS 36]*
<<locked>>
81%
24671
41%
**50
91%
SNPE Vectan BA6 1/2
<<locked>>
81%
24134
40%
**62
100%
[Shooters World Blackout]*
<<locked>>
81%
36492
61%
**47
94%
[Shooters World Buffalo Rifle]*
<<locked>>
81%
34098
57%
**01
93%
Vihtavuori N110
<<locked>>
81%
29863
50%
**23
100%
[Vihtavuori N120]*
<<locked>>
81%
20262
34%
**49
91%

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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