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Load data for .458 Lott + .458 | 350gr | Hornady InterLock FP

Recommended Powder(s): Accurate 2520, Hodgdon H322, Hodgdon H335, Somchem S321, Winchester 748

.458 Lott + .458 | 350gr | Hornady InterLock FP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.458 | 350gr | Hornady InterLock FP
Manufacturer SKU:
4503
Bullet Weight:
350gr | 22.7g
Bullet Diameter:
0.458" | 11.63mm
Bullet Length:
0.895" | 22.7mm
Caliber:
.458 Lott load data
Case Length (l3):
2.800" | 71.1mm
Cartridge Length (C.O.L.):
3.546" | 90.1mm
Seated Depth:
0.149" | 3.8mm
Shank Seated Depth:
0.149" | 3.8mm
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_B2879_C790
Last updated:
2025-01-01

Load data for 156 loads in caliber .458 Lott with .458 | 350gr | Hornady InterLock FP bullet and 78 powders such as Accurate 2520, Hodgdon H322, Hodgdon H335, Somchem S321, Winchester 748. 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%
51953
83%
**57
97%
ADI AR 2207
<<locked>>
87%
56086
90%
**98
100%
[ADI AR 2208]*
<<locked>>
97%
43874
70%
**00
94%
ADI AR 2219
<<locked>>
90%
55970
90%
**94
100%
Accurate 2015
<<locked>>
95%
55709
89%
**38
100%
Accurate 2200
<<locked>>
96%
55550
89%
**61
96%
Accurate 2230
<<locked>>
92%
55796
89%
**64
98%
Accurate 2460
<<locked>>
93%
55985
90%
**80
99%
Accurate 2495
<<locked>>
97%
50792
81%
**61
100%
Accurate 2520 👍
<<locked>>
97%
53882
86%
**00
100%
Accurate 4064
<<locked>>
97%
41800
67%
**30
99%
Alliant AR-Comp
<<locked>>
97%
52634
84%
**74
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
41930
67%
**20
96%
Alliant Reloder-10x
<<locked>>
92%
55695
89%
**51
100%
Alliant Reloder-15
<<locked>>
97%
45847
74%
**82
95%
[Alliant Reloder-17]*
<<locked>>
97%
37362
60%
**64
92%
Alliant Reloder-7
<<locked>>
86%
55695
89%
**92
100%
Baschieri & Pellagri 106
<<locked>>
90%
55637
89%
**89
100%
Baschieri & Pellagri 107
<<locked>>
97%
51721
83%
**67
96%
Hodgdon BL-C2
<<locked>>
97%
54476
87%
**26
99%
Hodgdon Benchmark
<<locked>>
95%
55608
89%
**38
99%
Hodgdon CFE BLK
<<locked>>
86%
55492
89%
**02
99%
[Hodgdon CFE223]*
<<locked>>
97%
45005
72%
**85
94%
Hodgdon H322 👍
<<locked>>
95%
55593
89%
**94
100%
Hodgdon H335 👍
<<locked>>
90%
55695
89%
**00
100%
[Hodgdon H380]*
<<locked>>
97%
43352
70%
**23
93%
Hodgdon H4198
<<locked>>
88%
55927
90%
**98
100%
[Hodgdon VARGET]*
<<locked>>
97%
43410
70%
**93
94%
IMR 3031
<<locked>>
97%
45324
73%
**02
100%
[IMR 4064]*
<<locked>>
97%
42844
69%
**80
94%
IMR 4198
<<locked>>
92%
55796
89%
**12
100%
IMR 4895
<<locked>>
97%
46891
75%
**12
96%
IMR 8208 XBR
<<locked>>
97%
54955
88%
**74
99%
Lovex D073.4
<<locked>>
91%
55956
90%
**67
99%
Lovex D073.5
<<locked>>
93%
55535
89%
**80
99%
Lovex D073.6
<<locked>>
97%
49400
79%
**38
99%
Lovex S053
<<locked>>
83%
56101
90%
**03
100%
Lovex S060
<<locked>>
97%
53490
86%
**02
97%
Lovex S062
<<locked>>
97%
45426
73%
**46
97%
Norma 200
<<locked>>
88%
55680
89%
**25
100%
Norma 201
<<locked>>
97%
50517
81%
**15
98%
Norma 202
<<locked>>
97%
50488
81%
**25
100%
Norma 203B
<<locked>>
97%
44788
72%
**72
96%
Ramshot Big Game
<<locked>>
97%
45237
73%
**79
95%
Ramshot TAC
<<locked>>
97%
55883
90%
**77
95%
Ramshot Wild Boar
<<locked>>
97%
54534
87%
**00
98%
Ramshot X-Terminator
<<locked>>
94%
55854
90%
**64
98%
ReloadSwiss RS 40
<<locked>>
93%
55521
89%
**84
100%
ReloadSwiss RS 52
<<locked>>
97%
43845
70%
**89
97%
[ReloadSwiss RS 60]*
<<locked>>
97%
36564
59%
**41
93%
Rottweil R 901
<<locked>>
97%
55129
88%
**64
100%
Rottweil R 902
<<locked>>
97%
47674
76%
**59
98%
[Rottweil R 903]*
<<locked>>
97%
38159
61%
**48
94%
SNPE Vectan BA6 1/2
<<locked>>
86%
55608
89%
**49
100%
SNPE Vectan SP 10
<<locked>>
90%
55825
90%
**00
100%
[SNPE Vectan SP 11]*
<<locked>>
97%
41321
66%
**13
94%
SNPE Vectan SP 7
<<locked>>
97%
53940
86%
**54
95%
SNPE Vectan SP 9
<<locked>>
97%
50589
81%
**35
97%
SNPE Vectan Tubal 3000
<<locked>>
97%
53592
86%
**82
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
43279
69%
**44
99%
Shooters World Match Rifle
<<locked>>
97%
49400
79%
**38
99%
Shooters World Precision
<<locked>>
97%
45426
73%
**46
97%
Shooters World Tactical Rifle
<<locked>>
91%
55941
90%
**41
98%
Somchem S321 👍
<<locked>>
94%
55608
89%
**07
99%
Somchem S335
<<locked>>
97%
52069
83%
**79
100%
Somchem S341
<<locked>>
97%
52721
85%
**48
97%
Somchem S355
<<locked>>
97%
39856
64%
**61
95%
Vihtavuori N120
<<locked>>
89%
55564
89%
**43
100%
Vihtavuori N130
<<locked>>
95%
55898
90%
**02
100%
Vihtavuori N133
<<locked>>
97%
49124
79%
**33
100%
Vihtavuori N135
<<locked>>
97%
38087
61%
**25
99%
Vihtavuori N140
<<locked>>
97%
46818
75%
**52
99%
[Vihtavuori N150]*
<<locked>>
97%
33605
54%
**16
94%
Vihtavuori N530
<<locked>>
95%
55840
90%
**00
99%
Vihtavuori N540
<<locked>>
97%
47036
75%
**79
99%
[Winchester 6.5 StaBALL]*
<<locked>>
97%
35824
57%
**29
92%
Winchester 748 👍
<<locked>>
95%
55970
90%
**49
99%
Winchester StaBALL Match
<<locked>>
93%
55927
90%
**26
98%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2206H]*
<<locked>>
81%
31604
51%
**64
91%
ADI AR 2207
<<locked>>
81%
46731
75%
**77
100%
[ADI AR 2208]*
<<locked>>
87%
33098
53%
**77
90%
ADI AR 2219
<<locked>>
81%
41582
67%
**77
99%
Accurate 2015
<<locked>>
81%
35868
58%
**29
99%
[Accurate 2200]*
<<locked>>
83%
35578
57%
**10
90%
[Accurate 2230]*
<<locked>>
81%
37275
60%
**62
94%
Accurate 2460
<<locked>>
81%
37072
59%
**75
96%
Accurate 2495
<<locked>>
81%
29820
48%
**80
98%
Accurate 2520
<<locked>>
81%
30806
49%
**83
95%
[Accurate 4064]*
<<locked>>
81%
25121
40%
**49
93%
Alliant AR-Comp
<<locked>>
81%
31589
51%
**20
100%
[Alliant Reloder- TS 15.5]*
<<locked>>
84%
28224
45%
**08
90%
Alliant Reloder-10x
<<locked>>
81%
39334
63%
**05
100%
[Alliant Reloder-15]*
<<locked>>
86%
32329
52%
**03
90%
[Alliant Reloder-17]*
<<locked>>
93%
33576
54%
**65
90%
Alliant Reloder-7
<<locked>>
81%
47819
77%
**84
100%
Baschieri & Pellagri 106
<<locked>>
81%
41611
67%
**82
99%
[Baschieri & Pellagri 107]*
<<locked>>
85%
34722
56%
**46
90%
[Hodgdon BL-C2]*
<<locked>>
81%
31198
50%
**97
92%
Hodgdon Benchmark
<<locked>>
81%
36230
58%
**06
95%
Hodgdon CFE BLK
<<locked>>
81%
46557
75%
**67
97%
[Hodgdon CFE223]*
<<locked>>
90%
36289
58%
**05
90%
Hodgdon H322
<<locked>>
81%
35288
57%
**56
98%
Hodgdon H335
<<locked>>
81%
40828
65%
**67
98%
[Hodgdon H380]*
<<locked>>
92%
36753
59%
**92
90%
Hodgdon H4198
<<locked>>
81%
45049
72%
**38
99%
[Hodgdon VARGET]*
<<locked>>
88%
33098
53%
**77
90%
IMR 3031
<<locked>>
81%
27833
45%
**28
96%
[IMR 4064]*
<<locked>>
87%
32126
52%
**54
90%
IMR 4198
<<locked>>
81%
40712
65%
**88
100%
[IMR 4895]*
<<locked>>
83%
30429
49%
**74
90%
[IMR 8208 XBR]*
<<locked>>
81%
33518
54%
**93
93%
Lovex D073.4
<<locked>>
81%
38725
62%
**95
96%
Lovex D073.5
<<locked>>
81%
36738
59%
**65
96%
[Lovex D073.6]*
<<locked>>
81%
29037
47%
**41
94%
Lovex S053
<<locked>>
81%
52663
84%
**61
100%
[Lovex S060]*
<<locked>>
81%
33243
53%
**31
91%
[Lovex S062]*
<<locked>>
81%
27659
44%
**65
91%
Norma 200
<<locked>>
81%
44556
71%
**74
100%
[Norma 201]*
<<locked>>
81%
30951
50%
**31
92%
Norma 202
<<locked>>
81%
30661
49%
**54
96%
[Norma 203B]*
<<locked>>
85%
30647
49%
**67
90%
[Ramshot Big Game]*
<<locked>>
87%
32721
52%
**16
90%
[Ramshot TAC]*
<<locked>>
86%
39407
63%
**95
90%
[Ramshot Wild Boar]*
<<locked>>
81%
32300
52%
**93
91%
[Ramshot X-Terminator]*
<<locked>>
81%
36535
59%
**36
93%
ReloadSwiss RS 40
<<locked>>
81%
37797
61%
**82
97%
[ReloadSwiss RS 52]*
<<locked>>
82%
26861
43%
**98
90%
[ReloadSwiss RS 60]*
<<locked>>
93%
32343
52%
**33
90%
Rottweil R 901
<<locked>>
81%
34287
55%
**00
97%
[Rottweil R 902]*
<<locked>>
81%
29370
47%
**88
92%
[Rottweil R 903]*
<<locked>>
88%
28500
46%
**31
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
48211
77%
**60
100%
SNPE Vectan SP 10
<<locked>>
81%
42076
67%
**84
99%
[SNPE Vectan SP 11]*
<<locked>>
89%
32372
52%
**16
90%
[SNPE Vectan SP 7]*
<<locked>>
86%
37130
60%
**65
90%
[SNPE Vectan SP 9]*
<<locked>>
82%
30966
50%
**47
90%
SNPE Vectan Tubal 3000
<<locked>>
81%
33141
53%
**28
96%
SNPE Vectan Tubal 5000
<<locked>>
81%
26701
43%
**96
95%
[Shooters World Match Rifle]*
<<locked>>
81%
29037
47%
**41
94%
[Shooters World Precision]*
<<locked>>
81%
27659
44%
**65
91%
Shooters World Tactical Rifle
<<locked>>
81%
40132
64%
**92
95%
Somchem S321
<<locked>>
81%
35360
57%
**56
95%
Somchem S335
<<locked>>
81%
32169
52%
**28
97%
[Somchem S341]*
<<locked>>
82%
31502
51%
**51
90%
[Somchem S355]*
<<locked>>
87%
29196
47%
**28
90%
Vihtavuori N120
<<locked>>
81%
43772
70%
**88
100%
Vihtavuori N130
<<locked>>
81%
37072
59%
**13
100%
Vihtavuori N133
<<locked>>
81%
30690
49%
**98
98%
Vihtavuori N135
<<locked>>
81%
23496
38%
**67
95%
Vihtavuori N140
<<locked>>
81%
28514
46%
**85
95%
[Vihtavuori N150]*
<<locked>>
88%
26049
42%
**26
90%
[Vihtavuori N530]*
<<locked>>
81%
35041
56%
**39
94%
[Vihtavuori N540]*
<<locked>>
81%
28282
45%
**98
94%
[Winchester 6.5 StaBALL]*
<<locked>>
94%
32750
53%
**54
90%
Winchester 748
<<locked>>
81%
34272
55%
**62
95%
[Winchester StaBALL Match]*
<<locked>>
81%
36448
58%
**95
94%

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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