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Load data for .458 Lott + .458 | 400gr | Speer FN

Recommended Powder(s): Accurate 2520, Hodgdon BL-C2, Somchem S321, Winchester 748, Winchester StaBALL Match

.458 Lott + .458 | 400gr | Speer FN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.458 | 400gr | Speer FN
Manufacturer SKU:
2479
Bullet Weight:
400gr | 25.9g
Bullet Diameter:
0.458" | 11.63mm
Bullet Length:
0.972" | 24.7mm
Caliber:
.458 Lott load data
Case Length (l3):
2.800" | 71.1mm
Cartridge Length (C.O.L.):
3.546" | 90.1mm
Seated Depth:
0.226" | 5.7mm
Shank Seated Depth:
0.226" | 5.7mm
Case Capacity:
110.0 Grains of Water | 7.14 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B6299_C790
Last updated:
2025-02-02

Load data for 180 loads in caliber .458 Lott with .458 | 400gr | Speer FN bullet and 90 powders such as Accurate 2520, Hodgdon BL-C2, Somchem S321, Winchester 748, Winchester StaBALL Match. 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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  • .

    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.

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 2206H
<<locked>>
97%
56072
90%
**36
99%
ADI AR 2207
<<locked>>
85%
55796
89%
**02
100%
ADI AR 2208
<<locked>>
97%
47427
76%
**95
97%
ADI AR 2219
<<locked>>
87%
55521
89%
**00
100%
Accurate 2015
<<locked>>
93%
55825
90%
**54
100%
Accurate 2200
<<locked>>
94%
55898
90%
**90
97%
Accurate 2230
<<locked>>
90%
55332
89%
**80
99%
Accurate 2460
<<locked>>
90%
55811
89%
**00
100%
Accurate 2495
<<locked>>
97%
55927
90%
**30
100%
Accurate 2520 👍
<<locked>>
95%
55695
89%
**39
100%
Accurate 4064
<<locked>>
97%
46499
75%
**25
100%
[Accurate 4350]*
<<locked>>
97%
33257
53%
**34
91%
Alliant AR-Comp
<<locked>>
95%
55782
89%
**10
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
46021
74%
**15
98%
Alliant Reloder-10x
<<locked>>
90%
55869
90%
**61
100%
Alliant Reloder-15
<<locked>>
97%
50009
80%
**77
98%
[Alliant Reloder-16]*
<<locked>>
97%
35940
58%
**54
92%
Alliant Reloder-17
<<locked>>
97%
40814
65%
**95
96%
Alliant Reloder-7
<<locked>>
84%
55782
89%
**05
100%
Baschieri & Pellagri 106
<<locked>>
88%
55825
90%
**11
100%
Baschieri & Pellagri 107
<<locked>>
97%
56115
90%
**59
98%
Hodgdon BL-C2 👍
<<locked>>
95%
55550
89%
**66
100%
Hodgdon Benchmark
<<locked>>
93%
55608
89%
**64
100%
Hodgdon CFE BLK
<<locked>>
84%
55564
89%
**28
99%
Hodgdon CFE223
<<locked>>
97%
49342
79%
**93
97%
Hodgdon H322
<<locked>>
93%
55970
90%
**07
100%
Hodgdon H335
<<locked>>
88%
55724
89%
**16
100%
Hodgdon H380
<<locked>>
97%
47790
77%
**31
96%
Hodgdon H4198
<<locked>>
86%
55854
90%
**15
100%
[Hodgdon Hybrid 100V]*
<<locked>>
97%
32605
52%
**65
93%
[Hodgdon LVR]*
<<locked>>
97%
38957
62%
**06
92%
Hodgdon VARGET
<<locked>>
97%
47079
75%
**92
97%
IMR 3031
<<locked>>
97%
49545
79%
**77
100%
IMR 4064
<<locked>>
97%
46267
74%
**72
97%
[IMR 4166 Enduron]*
<<locked>>
97%
47108
76%
**43
92%
IMR 4198
<<locked>>
89%
55927
90%
**18
100%
[IMR 4451 Enduron]*
<<locked>>
97%
44324
71%
**26
91%
IMR 4895
<<locked>>
97%
50966
82%
**00
98%
IMR 8208 XBR
<<locked>>
95%
56072
90%
**13
100%
Lovex D073.4
<<locked>>
89%
55738
89%
**87
100%
Lovex D073.5
<<locked>>
91%
55811
89%
**00
100%
Lovex D073.6
<<locked>>
97%
54795
88%
**26
100%
Lovex S060
<<locked>>
96%
56014
90%
**70
99%
Lovex S062
<<locked>>
97%
49081
79%
**28
99%
[Lovex S065]*
<<locked>>
97%
40074
64%
**70
92%
Norma 200
<<locked>>
86%
55883
90%
**38
100%
Norma 201
<<locked>>
97%
55042
88%
**97
100%
Norma 202
<<locked>>
97%
55187
88%
**07
100%
Norma 203B
<<locked>>
97%
48921
78%
**67
98%
[Norma URP]*
<<locked>>
97%
35288
57%
**51
92%
Ramshot Big Game
<<locked>>
97%
49081
79%
**80
98%
Ramshot TAC
<<locked>>
94%
55825
90%
**07
97%
Ramshot Wild Boar
<<locked>>
95%
55840
90%
**39
99%
Ramshot X-Terminator
<<locked>>
92%
55782
89%
**87
99%
ReloadSwiss RS 40
<<locked>>
91%
55970
90%
**00
100%
[ReloadSwiss RS 50]*
<<locked>>
97%
48834
78%
**15
94%
ReloadSwiss RS 52
<<locked>>
97%
47688
76%
**84
99%
ReloadSwiss RS 60
<<locked>>
97%
39885
64%
**79
97%
Rottweil R 901
<<locked>>
95%
55695
89%
**80
100%
Rottweil R 902
<<locked>>
97%
51851
83%
**51
99%
Rottweil R 903
<<locked>>
97%
42264
68%
**59
97%
SNPE Vectan BA6 1/2
<<locked>>
85%
55782
89%
**75
100%
SNPE Vectan SP 10
<<locked>>
87%
55912
90%
**13
100%
SNPE Vectan SP 11
<<locked>>
97%
44614
72%
**18
97%
SNPE Vectan SP 7
<<locked>>
96%
55738
89%
**10
97%
SNPE Vectan SP 9
<<locked>>
97%
54534
87%
**13
99%
SNPE Vectan Tubal 3000
<<locked>>
96%
55999
90%
**34
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
47123
76%
**29
100%
[Shooters World Long Rifle]*
<<locked>>
97%
40074
64%
**70
92%
Shooters World Match Rifle
<<locked>>
97%
54795
88%
**26
100%
Shooters World Precision
<<locked>>
97%
49081
79%
**28
99%
Shooters World Tactical Rifle
<<locked>>
89%
55999
90%
**67
99%
Somchem S321 👍
<<locked>>
92%
56072
90%
**30
100%
Somchem S335
<<locked>>
97%
55999
90%
**51
100%
Somchem S341
<<locked>>
96%
56115
90%
**23
99%
Somchem S355
<<locked>>
97%
43859
70%
**72
97%
[Somchem S365]*
<<locked>>
97%
31357
50%
**95
94%
Vihtavuori N120
<<locked>>
87%
55695
89%
**52
100%
Vihtavuori N130
<<locked>>
92%
55898
90%
**18
100%
Vihtavuori N133
<<locked>>
97%
53069
85%
**98
100%
Vihtavuori N135
<<locked>>
97%
41640
67%
**10
100%
Vihtavuori N140
<<locked>>
97%
51430
82%
**38
100%
Vihtavuori N150
<<locked>>
97%
36898
59%
**31
97%
[Vihtavuori N160]*
<<locked>>
97%
38928
62%
**83
93%
Vihtavuori N530
<<locked>>
93%
55898
90%
**20
100%
Vihtavuori N540
<<locked>>
97%
50923
82%
**61
100%
[Vihtavuori N550]*
<<locked>>
97%
38725
62%
**26
93%
Winchester 6.5 StaBALL
<<locked>>
97%
38638
62%
**51
95%
Winchester 748 👍
<<locked>>
93%
55999
90%
**62
100%
Winchester StaBALL Match 👍
<<locked>>
90%
55767
89%
**49
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2206H]*
<<locked>>
81%
34345
55%
**78
94%
ADI AR 2207
<<locked>>
81%
50125
80%
**36
100%
[ADI AR 2208]*
<<locked>>
81%
29356
47%
**44
90%
ADI AR 2219
<<locked>>
81%
45194
72%
**65
100%
Accurate 2015
<<locked>>
81%
39131
63%
**21
100%
[Accurate 2200]*
<<locked>>
81%
36666
59%
**82
93%
Accurate 2230
<<locked>>
81%
40538
65%
**64
97%
Accurate 2460
<<locked>>
81%
40364
65%
**77
98%
Accurate 2495
<<locked>>
81%
33228
53%
**88
100%
Accurate 2520
<<locked>>
81%
34142
55%
**05
97%
Accurate 4064
<<locked>>
81%
27963
45%
**73
97%
[Accurate 4350]*
<<locked>>
94%
30458
49%
**69
90%
Alliant AR-Comp
<<locked>>
81%
34577
55%
**11
100%
[Alliant Reloder- TS 15.5]*
<<locked>>
81%
27905
45%
**57
92%
Alliant Reloder-10x
<<locked>>
81%
42815
69%
**87
100%
[Alliant Reloder-15]*
<<locked>>
81%
30298
49%
**06
91%
[Alliant Reloder-16]*
<<locked>>
94%
32967
53%
**82
90%
[Alliant Reloder-17]*
<<locked>>
86%
29225
47%
**19
90%
Alliant Reloder-7
<<locked>>
81%
51285
82%
**49
100%
Baschieri & Pellagri 106
<<locked>>
81%
44889
72%
**70
100%
[Baschieri & Pellagri 107]*
<<locked>>
81%
33243
53%
**65
92%
Hodgdon BL-C2
<<locked>>
81%
34127
55%
**11
95%
Hodgdon Benchmark
<<locked>>
81%
38696
62%
**01
97%
Hodgdon CFE BLK
<<locked>>
81%
49719
80%
**49
99%
[Hodgdon CFE223]*
<<locked>>
83%
31546
51%
**52
90%
Hodgdon H322
<<locked>>
81%
38043
61%
**47
99%
Hodgdon H335
<<locked>>
81%
44353
71%
**59
100%
[Hodgdon H380]*
<<locked>>
85%
32024
51%
**39
90%
Hodgdon H4198
<<locked>>
81%
48095
77%
**10
100%
[Hodgdon Hybrid 100V]*
<<locked>>
92%
27949
45%
**44
90%
[Hodgdon LVR]*
<<locked>>
92%
33939
54%
**01
90%
[Hodgdon VARGET]*
<<locked>>
81%
29341
47%
**41
90%
IMR 3031
<<locked>>
81%
30240
48%
**36
99%
[IMR 4064]*
<<locked>>
81%
28601
46%
**24
90%
[IMR 4166 Enduron]*
<<locked>>
91%
40132
64%
**21
90%
IMR 4198
<<locked>>
81%
44077
71%
**60
100%
[IMR 4451 Enduron]*
<<locked>>
94%
40843
65%
**64
90%
[IMR 4895]*
<<locked>>
81%
30980
50%
**36
93%
IMR 8208 XBR
<<locked>>
81%
36318
58%
**95
96%
Lovex D073.4
<<locked>>
81%
42250
68%
**93
98%
Lovex D073.5
<<locked>>
81%
39987
64%
**70
98%
Lovex D073.6
<<locked>>
81%
32082
51%
**62
97%
[Lovex S060]*
<<locked>>
81%
35737
57%
**39
94%
[Lovex S062]*
<<locked>>
81%
30226
48%
**83
94%
[Lovex S065]*
<<locked>>
93%
35128
56%
**75
90%
Norma 200
<<locked>>
81%
48269
77%
**46
100%
Norma 201
<<locked>>
81%
33692
54%
**46
95%
Norma 202
<<locked>>
81%
33402
54%
**59
98%
[Norma 203B]*
<<locked>>
81%
29834
48%
**00
92%
[Norma URP]*
<<locked>>
93%
31749
51%
**69
90%
[Ramshot Big Game]*
<<locked>>
81%
29530
47%
**96
91%
[Ramshot TAC]*
<<locked>>
81%
36230
58%
**82
91%
[Ramshot Wild Boar]*
<<locked>>
81%
34954
56%
**05
94%
Ramshot X-Terminator
<<locked>>
81%
39581
63%
**38
95%
ReloadSwiss RS 40
<<locked>>
81%
40843
65%
**77
99%
[ReloadSwiss RS 50]*
<<locked>>
89%
37449
60%
**18
90%
[ReloadSwiss RS 52]*
<<locked>>
81%
28340
45%
**03
93%
[ReloadSwiss RS 60]*
<<locked>>
86%
28355
45%
**96
90%
Rottweil R 901
<<locked>>
81%
37202
60%
**98
99%
Rottweil R 902
<<locked>>
81%
31923
51%
**00
95%
[Rottweil R 903]*
<<locked>>
81%
25266
41%
**95
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
50821
81%
**19
100%
SNPE Vectan SP 10
<<locked>>
81%
45469
73%
**69
100%
[SNPE Vectan SP 11]*
<<locked>>
82%
28384
46%
**70
90%
[SNPE Vectan SP 7]*
<<locked>>
81%
33910
54%
**52
91%
[SNPE Vectan SP 9]*
<<locked>>
81%
32938
53%
**46
93%
SNPE Vectan Tubal 3000
<<locked>>
81%
35694
57%
**29
98%
SNPE Vectan Tubal 5000
<<locked>>
81%
28776
46%
**05
97%
[Shooters World Long Rifle]*
<<locked>>
93%
35128
56%
**75
90%
Shooters World Match Rifle
<<locked>>
81%
32082
51%
**62
97%
[Shooters World Precision]*
<<locked>>
81%
30226
48%
**83
94%
Shooters World Tactical Rifle
<<locked>>
81%
43555
70%
**93
98%
Somchem S321
<<locked>>
81%
38711
62%
**64
97%
Somchem S335
<<locked>>
81%
34867
56%
**29
99%
[Somchem S341]*
<<locked>>
81%
33721
54%
**56
93%
[Somchem S355]*
<<locked>>
81%
26629
43%
**14
91%
[Somchem S365]*
<<locked>>
90%
25860
41%
**41
90%
Vihtavuori N120
<<locked>>
81%
46818
75%
**47
100%
Vihtavuori N130
<<locked>>
81%
39813
64%
**98
100%
Vihtavuori N133
<<locked>>
81%
33330
53%
**96
100%
Vihtavuori N135
<<locked>>
81%
25730
41%
**88
97%
Vihtavuori N140
<<locked>>
81%
31096
50%
**00
98%
[Vihtavuori N150]*
<<locked>>
81%
22814
37%
**93
90%
[Vihtavuori N160]*
<<locked>>
91%
32358
52%
**46
90%
Vihtavuori N530
<<locked>>
81%
37913
61%
**38
97%
Vihtavuori N540
<<locked>>
81%
30850
49%
**13
97%
[Vihtavuori N550]*
<<locked>>
90%
31749
51%
**72
90%
[Winchester 6.5 StaBALL]*
<<locked>>
87%
28442
46%
**18
90%
Winchester 748
<<locked>>
81%
37347
60%
**74
97%
Winchester StaBALL Match
<<locked>>
81%
39900
64%
**10
96%

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.

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