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Load data for .458 Lott + .458 | 400gr | Swift A-Frame

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

.458 Lott + .458 | 400gr | Swift A-Frame

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.458 | 400gr | Swift A-Frame
Bullet Weight:
400gr | 25.9g
Bullet Diameter:
0.458" | 11.63mm
Bullet Length:
1.130" | 28.7mm
Caliber:
.458 Lott load data
Case Length (l3):
2.800" | 71.1mm
Cartridge Length (C.O.L.):
3.546" | 90.1mm
Seated Depth:
0.384" | 9.8mm
Shank Seated Depth:
0.384" | 9.8mm
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_B10881_C790
Last updated:
2025-02-02

Load data for 170 loads in caliber .458 Lott with .458 | 400gr | Swift A-Frame bullet and 85 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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  • 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 2206H
<<locked>>
97%
54621
88%
**77
98%
ADI AR 2207
<<locked>>
85%
56014
90%
**65
100%
ADI AR 2208
<<locked>>
97%
46659
75%
**36
96%
ADI AR 2219
<<locked>>
88%
55608
89%
**64
100%
Accurate 2015
<<locked>>
93%
55840
90%
**11
100%
Accurate 2200
<<locked>>
95%
55985
90%
**44
97%
Accurate 2230
<<locked>>
91%
55492
89%
**41
99%
Accurate 2460
<<locked>>
91%
55985
90%
**54
100%
Accurate 2495
<<locked>>
97%
56101
90%
**90
100%
Accurate 2520 👍
<<locked>>
96%
55361
89%
**90
100%
Accurate 4064
<<locked>>
97%
46137
74%
**72
100%
Alliant AR-Comp
<<locked>>
96%
55753
89%
**74
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
44585
71%
**49
97%
Alliant Reloder-10x
<<locked>>
90%
55927
90%
**21
100%
Alliant Reloder-15
<<locked>>
97%
48617
78%
**08
97%
Alliant Reloder-17
<<locked>>
97%
40059
64%
**23
95%
Alliant Reloder-7
<<locked>>
84%
55825
90%
**65
100%
Baschieri & Pellagri 106
<<locked>>
89%
55999
90%
**72
100%
Baschieri & Pellagri 107
<<locked>>
97%
54476
87%
**90
97%
Hodgdon BL-C2 👍
<<locked>>
96%
55999
90%
**26
99%
Hodgdon Benchmark
<<locked>>
94%
55956
90%
**25
100%
Hodgdon CFE BLK
<<locked>>
85%
55782
89%
**85
99%
Hodgdon CFE223
<<locked>>
97%
48269
77%
**28
96%
Hodgdon H322
<<locked>>
94%
55608
89%
**64
100%
Hodgdon H335
<<locked>>
89%
55767
89%
**74
100%
Hodgdon H380
<<locked>>
97%
46456
74%
**62
95%
Hodgdon H4198
<<locked>>
87%
55869
90%
**65
100%
[Hodgdon Hybrid 100V]*
<<locked>>
97%
32387
52%
**06
92%
Hodgdon VARGET
<<locked>>
97%
46311
74%
**29
96%
IMR 3031
<<locked>>
97%
48573
78%
**21
100%
IMR 4064
<<locked>>
97%
45571
73%
**16
96%
[IMR 4166 Enduron]*
<<locked>>
97%
46267
74%
**77
91%
IMR 4198
<<locked>>
90%
56072
90%
**79
100%
IMR 4895
<<locked>>
97%
49980
80%
**44
98%
IMR 8208 XBR
<<locked>>
96%
55941
90%
**64
99%
Lovex D073.4
<<locked>>
90%
55811
89%
**44
100%
Lovex D073.5
<<locked>>
91%
55985
90%
**54
100%
Lovex D073.6
<<locked>>
97%
53432
86%
**64
100%
Lovex S060
<<locked>>
97%
56043
90%
**21
98%
Lovex S062
<<locked>>
97%
48254
77%
**75
98%
[Lovex S065]*
<<locked>>
97%
39784
64%
**18
91%
Norma 200
<<locked>>
86%
55927
90%
**95
100%
Norma 201
<<locked>>
97%
54056
87%
**38
99%
Norma 202
<<locked>>
97%
53447
86%
**44
100%
Norma 203B
<<locked>>
97%
47732
77%
**02
97%
Ramshot Big Game
<<locked>>
97%
48182
77%
**15
97%
Ramshot TAC
<<locked>>
95%
55753
89%
**51
96%
Ramshot Wild Boar
<<locked>>
96%
55680
89%
**93
98%
Ramshot X-Terminator
<<locked>>
92%
55753
89%
**44
98%
ReloadSwiss RS 40
<<locked>>
91%
55941
90%
**57
100%
[ReloadSwiss RS 50]*
<<locked>>
97%
47732
77%
**49
93%
ReloadSwiss RS 52
<<locked>>
97%
46601
75%
**25
99%
ReloadSwiss RS 60
<<locked>>
97%
39204
63%
**13
95%
Rottweil R 901
<<locked>>
95%
55666
89%
**34
100%
Rottweil R 902
<<locked>>
97%
51198
82%
**88
99%
Rottweil R 903
<<locked>>
97%
41611
67%
**06
97%
SNPE Vectan BA6 1/2
<<locked>>
85%
55608
89%
**33
100%
SNPE Vectan SP 10
<<locked>>
88%
56057
90%
**70
100%
SNPE Vectan SP 11
<<locked>>
97%
43772
70%
**56
96%
SNPE Vectan SP 7
<<locked>>
96%
55912
90%
**61
96%
SNPE Vectan SP 9
<<locked>>
97%
53171
85%
**54
98%
SNPE Vectan Tubal 3000
<<locked>>
96%
55970
90%
**92
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
45948
74%
**70
100%
[Shooters World Long Rifle]*
<<locked>>
97%
39784
64%
**18
91%
Shooters World Match Rifle
<<locked>>
97%
53432
86%
**64
100%
Shooters World Precision
<<locked>>
97%
48254
77%
**75
98%
Shooters World Tactical Rifle
<<locked>>
89%
55956
90%
**21
99%
Somchem S321 👍
<<locked>>
93%
56115
90%
**87
99%
Somchem S335
<<locked>>
97%
55506
89%
**98
100%
Somchem S341
<<locked>>
97%
55869
90%
**70
98%
Somchem S355
<<locked>>
97%
43395
70%
**20
97%
[Somchem S365]*
<<locked>>
97%
31473
50%
**46
93%
Vihtavuori N120
<<locked>>
88%
55999
90%
**16
100%
Vihtavuori N130
<<locked>>
93%
55854
90%
**75
100%
Vihtavuori N133
<<locked>>
97%
52214
84%
**49
100%
Vihtavuori N135
<<locked>>
97%
40741
65%
**54
100%
Vihtavuori N140
<<locked>>
97%
50125
80%
**79
100%
Vihtavuori N150
<<locked>>
97%
36434
58%
**78
96%
[Vihtavuori N160]*
<<locked>>
97%
38653
62%
**31
92%
Vihtavuori N530
<<locked>>
94%
55956
90%
**74
99%
Vihtavuori N540
<<locked>>
97%
49951
80%
**05
100%
[Vihtavuori N550]*
<<locked>>
97%
38290
61%
**70
92%
[Winchester 6.5 StaBALL]*
<<locked>>
97%
38218
61%
**92
94%
Winchester 748 👍
<<locked>>
94%
55898
90%
**16
100%
Winchester StaBALL Match 👍
<<locked>>
91%
55898
90%
**07
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2206H]*
<<locked>>
81%
34316
55%
**33
93%
ADI AR 2207
<<locked>>
81%
49545
79%
**90
100%
[ADI AR 2208]*
<<locked>>
82%
30690
49%
**24
90%
ADI AR 2219
<<locked>>
81%
44353
71%
**10
100%
Accurate 2015
<<locked>>
81%
38928
62%
**75
100%
[Accurate 2200]*
<<locked>>
81%
36419
58%
**29
92%
Accurate 2230
<<locked>>
81%
40350
65%
**15
96%
Accurate 2460
<<locked>>
81%
40480
65%
**28
98%
Accurate 2495
<<locked>>
81%
33968
54%
**59
100%
Accurate 2520
<<locked>>
81%
34040
55%
**56
97%
Accurate 4064
<<locked>>
81%
28587
46%
**44
96%
Alliant AR-Comp
<<locked>>
81%
34432
55%
**65
100%
[Alliant Reloder- TS 15.5]*
<<locked>>
81%
28210
45%
**18
92%
Alliant Reloder-10x
<<locked>>
81%
42453
68%
**38
100%
[Alliant Reloder-15]*
<<locked>>
81%
30385
49%
**64
90%
[Alliant Reloder-17]*
<<locked>>
88%
31183
50%
**19
90%
Alliant Reloder-7
<<locked>>
81%
50879
82%
**00
100%
Baschieri & Pellagri 106
<<locked>>
81%
44440
71%
**21
100%
[Baschieri & Pellagri 107]*
<<locked>>
81%
33083
53%
**13
90%
Hodgdon BL-C2
<<locked>>
81%
33953
54%
**65
95%
Hodgdon Benchmark
<<locked>>
81%
38624
62%
**56
97%
Hodgdon CFE BLK
<<locked>>
81%
49197
79%
**97
98%
[Hodgdon CFE223]*
<<locked>>
86%
33808
54%
**56
90%
Hodgdon H322
<<locked>>
81%
37898
61%
**98
99%
Hodgdon H335
<<locked>>
81%
43671
70%
**06
99%
[Hodgdon H380]*
<<locked>>
87%
33982
54%
**33
90%
Hodgdon H4198
<<locked>>
81%
47239
76%
**57
100%
[Hodgdon Hybrid 100V]*
<<locked>>
93%
29762
48%
**41
90%
[Hodgdon VARGET]*
<<locked>>
82%
30690
49%
**24
90%
IMR 3031
<<locked>>
81%
30298
49%
**93
98%
[IMR 4064]*
<<locked>>
82%
29849
48%
**08
90%
[IMR 4166 Enduron]*
<<locked>>
94%
42612
68%
**15
90%
IMR 4198
<<locked>>
81%
43192
69%
**11
100%
[IMR 4895]*
<<locked>>
81%
31067
50%
**93
92%
IMR 8208 XBR
<<locked>>
81%
36100
58%
**49
95%
Lovex D073.4
<<locked>>
81%
42134
68%
**47
98%
Lovex D073.5
<<locked>>
81%
39813
64%
**21
98%
Lovex D073.6
<<locked>>
81%
32097
51%
**13
96%
[Lovex S060]*
<<locked>>
81%
35563
57%
**93
94%
[Lovex S062]*
<<locked>>
81%
30414
49%
**41
93%
[Lovex S065]*
<<locked>>
94%
36927
59%
**65
90%
Norma 200
<<locked>>
81%
48153
77%
**97
100%
Norma 201
<<locked>>
81%
34026
55%
**00
95%
Norma 202
<<locked>>
81%
33460
54%
**16
97%
[Norma 203B]*
<<locked>>
81%
29965
48%
**57
91%
[Ramshot Big Game]*
<<locked>>
82%
30371
49%
**70
90%
[Ramshot TAC]*
<<locked>>
81%
36564
59%
**42
90%
[Ramshot Wild Boar]*
<<locked>>
81%
34621
56%
**49
93%
Ramshot X-Terminator
<<locked>>
81%
39305
63%
**85
95%
ReloadSwiss RS 40
<<locked>>
81%
40466
65%
**28
98%
[ReloadSwiss RS 50]*
<<locked>>
91%
39769
64%
**15
90%
[ReloadSwiss RS 52]*
<<locked>>
81%
28572
46%
**60
93%
[ReloadSwiss RS 60]*
<<locked>>
88%
30255
49%
**93
90%
Rottweil R 901
<<locked>>
81%
37797
61%
**59
98%
[Rottweil R 902]*
<<locked>>
81%
32416
52%
**64
94%
[Rottweil R 903]*
<<locked>>
82%
26281
42%
**78
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
50589
81%
**77
100%
SNPE Vectan SP 10
<<locked>>
81%
44947
72%
**16
99%
[SNPE Vectan SP 11]*
<<locked>>
84%
30385
49%
**77
90%
[SNPE Vectan SP 7]*
<<locked>>
81%
34214
55%
**10
90%
[SNPE Vectan SP 9]*
<<locked>>
81%
32953
53%
**00
92%
SNPE Vectan Tubal 3000
<<locked>>
81%
35679
57%
**83
98%
SNPE Vectan Tubal 5000
<<locked>>
81%
28950
46%
**65
97%
[Shooters World Long Rifle]*
<<locked>>
94%
36927
59%
**65
90%
Shooters World Match Rifle
<<locked>>
81%
32097
51%
**13
96%
[Shooters World Precision]*
<<locked>>
81%
30414
49%
**41
93%
Shooters World Tactical Rifle
<<locked>>
81%
42801
69%
**34
97%
Somchem S321
<<locked>>
81%
38421
62%
**15
97%
Somchem S335
<<locked>>
81%
34998
56%
**90
98%
[Somchem S341]*
<<locked>>
81%
33547
54%
**06
92%
[Somchem S355]*
<<locked>>
81%
27151
44%
**78
90%
[Somchem S365]*
<<locked>>
92%
27296
44%
**28
90%
Vihtavuori N120
<<locked>>
81%
46427
74%
**05
100%
Vihtavuori N130
<<locked>>
81%
39436
63%
**49
100%
Vihtavuori N133
<<locked>>
81%
33098
53%
**47
99%
Vihtavuori N135
<<locked>>
81%
26136
42%
**55
97%
Vihtavuori N140
<<locked>>
81%
31169
50%
**57
97%
[Vihtavuori N150]*
<<locked>>
82%
24033
39%
**83
90%
[Vihtavuori N160]*
<<locked>>
93%
34447
55%
**46
90%
Vihtavuori N530
<<locked>>
81%
37550
60%
**85
96%
Vihtavuori N540
<<locked>>
81%
30937
50%
**70
96%
[Vihtavuori N550]*
<<locked>>
93%
33562
54%
**72
90%
[Winchester 6.5 StaBALL]*
<<locked>>
89%
30530
49%
**24
90%
Winchester 748
<<locked>>
81%
37014
59%
**24
97%
Winchester StaBALL Match
<<locked>>
81%
39233
63%
**51
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.

<<locked>>... you need to buy an access license to unlock the data

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