top of page

Load data for .458 Lott + .458 | 300gr | H&N TC H

Recommended Powder(s):

.458 Lott + .458 | 300gr | H&N TC H

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.458 | 300gr | H&N TC H
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.458" | 11.63mm
Bullet Length:
<<locked>>
Caliber:
.458 Lott load data
Case Length (l3):
2.800" | 71.1mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
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_B7551_C790
Last updated:
2026-03-25

Load data for 126 loads in caliber .458 Lott with .458 | 300gr | H&N TC H bullet and 63 powder(s). 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".

  • No data yet

  • 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.

    .

    Loading_icon.gif

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%
43149
69%
**07
93%
ADI AR 2207
<<locked>>
92%
55579
89%
**28
100%
ADI AR 2219 👍
<<locked>>
95%
55767
89%
**17
100%
ADI Benchmark 8208
<<locked>>
97%
46354
74%
**43
95%
Accurate 1680
<<locked>>
84%
55564
89%
**22
100%
Accurate 2015
<<locked>>
97%
48675
78%
**69
100%
[Accurate 2200]*
<<locked>>
97%
47993
77%
**36
92%
Accurate 2230
<<locked>>
97%
54404
87%
**48
96%
Accurate 2460
<<locked>>
97%
52779
85%
**51
98%
Accurate 2495
<<locked>>
97%
39160
63%
**97
99%
Accurate 2520
<<locked>>
97%
43091
69%
**40
97%
Accurate 4064
<<locked>>
97%
32082
51%
**33
95%
Alliant AR-Comp
<<locked>>
97%
43337
69%
**59
100%
Alliant Reloder-10x 👍
<<locked>>
97%
54027
87%
**58
100%
Alliant Reloder-7
<<locked>>
91%
56101
90%
**22
100%
Baschieri & Pellagri 106 👍
<<locked>>
94%
55477
89%
**92
100%
Hodgdon BL-C2
<<locked>>
97%
44396
71%
**69
95%
Hodgdon Benchmark
<<locked>>
97%
50053
80%
**59
97%
Hodgdon H322
<<locked>>
97%
49066
79%
**12
99%
Hodgdon H335
<<locked>>
95%
55999
90%
**17
99%
Hodgdon H4198 👍
<<locked>>
93%
55550
89%
**05
100%
[Hodgdon H4895]*
<<locked>>
97%
43279
69%
**23
94%
Hodgdon TrailBoss
<<locked>>
96%
30139
48%
**57
100%
IMR 3031
<<locked>>
97%
36854
59%
**51
98%
IMR 4198
<<locked>>
97%
55869
90%
**31
100%
IMR 4227
<<locked>>
87%
56101
90%
**69
100%
IMR 8208 XBR
<<locked>>
97%
46354
74%
**43
95%
Lovex D073.4
<<locked>>
97%
55550
89%
**71
98%
Lovex D073.5
<<locked>>
97%
52402
84%
**41
98%
Lovex D073.6
<<locked>>
97%
39784
64%
**84
96%
Lovex S053
<<locked>>
87%
55506
89%
**26
100%
[Lovex S060]*
<<locked>>
97%
45643
73%
**71
94%
[Lovex S062]*
<<locked>>
97%
36680
59%
**72
93%
Norma 200
<<locked>>
94%
55869
90%
**64
100%
[Norma 201]*
<<locked>>
97%
41626
67%
**61
94%
Norma 202
<<locked>>
97%
41771
67%
**87
97%
[Ramshot Wild Boar]*
<<locked>>
97%
45716
73%
**53
93%
Ramshot X-Terminator
<<locked>>
97%
52417
84%
**08
95%
ReloadSwiss RS 14
<<locked>>
97%
30066
48%
**99
100%
ReloadSwiss RS 36
<<locked>>
87%
55869
90%
**99
100%
ReloadSwiss RS 40
<<locked>>
97%
53287
85%
**58
98%
Rottweil R 901
<<locked>>
97%
45368
73%
**26
98%
[Rottweil R 902]*
<<locked>>
97%
39044
63%
**98
93%
SNPE Vectan BA6 1/2
<<locked>>
91%
56115
90%
**75
100%
SNPE Vectan SP 10 👍
<<locked>>
95%
55898
90%
**17
99%
[SNPE Vectan SP 9]*
<<locked>>
97%
41959
67%
**74
92%
SNPE Vectan Tubal 3000
<<locked>>
97%
45513
73%
**61
98%
SNPE Vectan Tubal 5000
<<locked>>
97%
36289
58%
**07
97%
Shooters World Match Rifle
<<locked>>
97%
39784
64%
**84
96%
[Shooters World Precision]*
<<locked>>
97%
36680
59%
**72
93%
Shooters World Tactical Rifle
<<locked>>
95%
55985
90%
**48
97%
Somchem S321
<<locked>>
97%
50430
81%
**35
97%
Somchem S335
<<locked>>
97%
43555
70%
**54
98%
[Somchem S341]*
<<locked>>
97%
43845
70%
**97
93%
Vihtavuori N120
<<locked>>
95%
55970
90%
**76
100%
Vihtavuori N130
<<locked>>
97%
50241
81%
**46
100%
Vihtavuori N133
<<locked>>
97%
41205
66%
**08
99%
Vihtavuori N135
<<locked>>
97%
30429
49%
**51
96%
Vihtavuori N140
<<locked>>
97%
38653
62%
**08
97%
Vihtavuori N530
<<locked>>
97%
49255
79%
**02
96%
Vihtavuori N540
<<locked>>
97%
38580
62%
**28
96%
Winchester 748
<<locked>>
97%
49124
79%
**51
97%
Winchester StaBALL Match
<<locked>>
97%
54781
88%
**10
96%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2206H]*
<<locked>>
91%
36042
58%
**59
90%
ADI AR 2207
<<locked>>
81%
38972
62%
**75
100%
ADI AR 2219
<<locked>>
81%
34432
55%
**30
96%
[ADI Benchmark 8208]*
<<locked>>
86%
32024
51%
**41
90%
Accurate 1680
<<locked>>
81%
50473
81%
**49
100%
Accurate 2015
<<locked>>
81%
28805
46%
**72
96%
[Accurate 2200]*
<<locked>>
93%
42641
68%
**38
90%
[Accurate 2230]*
<<locked>>
84%
33968
54%
**74
90%
[Accurate 2460]*
<<locked>>
81%
29414
47%
**88
90%
[Accurate 2495]*
<<locked>>
81%
21785
35%
**51
92%
[Accurate 2520]*
<<locked>>
84%
27108
43%
**72
90%
[Accurate 4064]*
<<locked>>
89%
24018
39%
**03
90%
Alliant AR-Comp
<<locked>>
81%
25295
41%
**33
97%
Alliant Reloder-10x
<<locked>>
81%
32198
52%
**64
98%
Alliant Reloder-7
<<locked>>
81%
40205
64%
**72
100%
Baschieri & Pellagri 106
<<locked>>
81%
35346
57%
**54
97%
[Hodgdon BL-C2]*
<<locked>>
88%
32518
52%
**10
90%
[Hodgdon Benchmark]*
<<locked>>
81%
30124
48%
**46
90%
[Hodgdon H322]*
<<locked>>
81%
28979
46%
**85
93%
[Hodgdon H335]*
<<locked>>
81%
33605
54%
**10
94%
Hodgdon H4198
<<locked>>
81%
38769
62%
**13
97%
[Hodgdon H4895]*
<<locked>>
90%
34229
55%
**26
90%
Hodgdon TrailBoss
<<locked>>
81%
23598
38%
**16
100%
[IMR 3031]*
<<locked>>
82%
22669
36%
**41
90%
IMR 4198
<<locked>>
81%
34621
56%
**74
99%
IMR 4227
<<locked>>
81%
47123
76%
**41
100%
[IMR 8208 XBR]*
<<locked>>
86%
32024
51%
**41
90%
[Lovex D073.4]*
<<locked>>
81%
31067
50%
**18
91%
[Lovex D073.5]*
<<locked>>
81%
29167
47%
**85
90%
[Lovex D073.6]*
<<locked>>
86%
27108
43%
**72
90%
Lovex S053
<<locked>>
81%
45876
74%
**89
100%
[Lovex S060]*
<<locked>>
90%
36260
58%
**80
90%
[Lovex S062]*
<<locked>>
92%
31517
51%
**48
90%
Norma 200
<<locked>>
81%
36303
58%
**46
100%
[Norma 201]*
<<locked>>
89%
31647
51%
**34
90%
[Norma 202]*
<<locked>>
82%
25411
41%
**93
90%
[Ramshot Wild Boar]*
<<locked>>
91%
37275
60%
**82
90%
[Ramshot X-Terminator]*
<<locked>>
87%
36956
59%
**23
90%
ReloadSwiss RS 14
<<locked>>
81%
23279
37%
**52
100%
ReloadSwiss RS 36
<<locked>>
81%
46615
75%
**67
100%
[ReloadSwiss RS 40]*
<<locked>>
81%
31198
50%
**21
92%
[Rottweil R 901]*
<<locked>>
81%
27340
44%
**20
91%
[Rottweil R 902]*
<<locked>>
90%
31778
51%
**34
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
42163
68%
**88
100%
SNPE Vectan SP 10
<<locked>>
81%
34896
56%
**36
95%
[SNPE Vectan SP 9]*
<<locked>>
93%
36622
59%
**62
90%
[SNPE Vectan Tubal 3000]*
<<locked>>
81%
27035
43%
**60
91%
[SNPE Vectan Tubal 5000]*
<<locked>>
83%
23554
38%
**65
90%
[Shooters World Match Rifle]*
<<locked>>
86%
27108
43%
**72
90%
[Shooters World Precision]*
<<locked>>
92%
31517
51%
**48
90%
[Shooters World Tactical Rifle]*
<<locked>>
81%
33286
53%
**31
90%
[Somchem S321]*
<<locked>>
83%
30792
49%
**38
90%
[Somchem S335]*
<<locked>>
81%
26165
42%
**57
92%
[Somchem S341]*
<<locked>>
92%
37202
60%
**59
90%
Vihtavuori N120
<<locked>>
81%
36564
59%
**87
100%
Vihtavuori N130
<<locked>>
81%
30429
49%
**69
97%
[Vihtavuori N133]*
<<locked>>
81%
25150
40%
**28
94%
[Vihtavuori N135]*
<<locked>>
86%
21437
34%
**72
90%
[Vihtavuori N140]*
<<locked>>
83%
25019
40%
**54
90%
[Vihtavuori N530]*
<<locked>>
84%
31546
51%
**41
90%
[Vihtavuori N540]*
<<locked>>
85%
26078
42%
**10
90%
[Winchester 748]*
<<locked>>
83%
30501
49%
**44
90%
[Winchester StaBALL Match]*
<<locked>>
85%
34708
56%
**36
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

bottom of page