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Load data for .45 Blaser + .458 | 305gr | Lehigh Defense Controlled Fracturing

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

.45 Blaser + .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:
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:
0.499" | 12.7mm
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_B11094_C728
Last updated:
2025-11-06
Recommended Twist Rate:
1:29 - 1:24

Load data for 42 loads in caliber .45 Blaser with .458 | 305gr | Lehigh Defense Controlled Fracturing bullet and 21 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>>
88%
47703
89%
**38
100%
ADI AR 2207
<<locked>>
97%
37768
70%
**67
99%
Accurate 1680
<<locked>>
93%
47398
88%
**39
95%
Accurate 5744
<<locked>>
86%
48283
90%
**39
98%
Accurate No. 11 FS
<<locked>>
85%
48037
90%
**13
100%
[Alliant Reloder-10x]*
<<locked>>
97%
30792
57%
**42
93%
Alliant Reloder-7
<<locked>>
97%
40611
76%
**67
97%
[Hodgdon H4198]*
<<locked>>
97%
40727
76%
**95
91%
IMR 4198
<<locked>>
97%
35317
66%
**59
95%
IMR 4227 👍
<<locked>>
96%
48153
90%
**26
99%
Lovex D060
<<locked>>
88%
47921
89%
**36
98%
Lovex D063
<<locked>>
85%
48051
90%
**29
98%
Lovex S053 👍
<<locked>>
97%
46789
87%
**10
100%
Norma 200
<<locked>>
97%
34635
65%
**21
95%
ReloadSwiss RS 36 👍
<<locked>>
96%
47398
88%
**62
99%
SNPE Vectan BA6 1/2
<<locked>>
97%
43439
81%
**46
100%
Shooters World Blackout
<<locked>>
85%
48051
90%
**29
98%
Shooters World Buffalo Rifle
<<locked>>
88%
47921
89%
**36
98%
Vihtavuori N110
<<locked>>
91%
47863
89%
**60
100%
Vihtavuori N120
<<locked>>
97%
35897
67%
**98
99%
[Vihtavuori N130]*
<<locked>>
97%
29849
56%
**60
92%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2205
<<locked>>
81%
38885
72%
**06
100%
[ADI AR 2207]*
<<locked>>
81%
23772
44%
**52
94%
[Accurate 1680]*
<<locked>>
81%
32198
60%
**73
90%
Accurate 5744
<<locked>>
81%
41365
77%
**31
97%
Accurate No. 11 FS
<<locked>>
81%
41626
78%
**24
99%
[Alliant Reloder-10x]*
<<locked>>
91%
26179
49%
**31
90%
[Alliant Reloder-7]*
<<locked>>
81%
25396
47%
**49
91%
[Hodgdon H4198]*
<<locked>>
94%
37202
69%
**36
90%
[IMR 4198]*
<<locked>>
85%
25570
48%
**29
90%
IMR 4227
<<locked>>
81%
31111
58%
**37
96%
Lovex D060
<<locked>>
81%
38812
72%
**82
96%
Lovex D063
<<locked>>
81%
42453
79%
**41
97%
Lovex S053
<<locked>>
81%
29921
56%
**24
99%
[Norma 200]*
<<locked>>
84%
23743
44%
**69
90%
ReloadSwiss RS 36
<<locked>>
81%
29530
55%
**44
95%
SNPE Vectan BA6 1/2
<<locked>>
81%
28572
53%
**13
100%
Shooters World Blackout
<<locked>>
81%
42453
79%
**41
97%
Shooters World Buffalo Rifle
<<locked>>
81%
38812
72%
**82
96%
Vihtavuori N110
<<locked>>
81%
35810
67%
**93
100%
Vihtavuori N120
<<locked>>
81%
22756
42%
**93
95%
[Vihtavuori N130]*
<<locked>>
93%
26934
50%
**91
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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