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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:
0.781" | 19.8mm
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".

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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
97%
69%
93%
ADI AR 2207
92%
89%
100%
ADI AR 2219
95%
89%
100%
ADI Benchmark 8208
97%
74%
95%
Accurate 1680
84%
89%
100%
Accurate 2015
97%
78%
100%
Accurate 2200
97%
77%
92%
Accurate 2230
97%
87%
96%
Accurate 2460
97%
85%
98%
Accurate 2495
97%
63%
99%
Accurate 2520
97%
69%
97%
Accurate 4064
97%
51%
95%
Alliant AR-Comp
97%
69%
100%
Alliant Reloder-10x
97%
87%
100%
Alliant Reloder-7
91%
90%
100%
Baschieri & Pellagri 106
94%
89%
100%
Hodgdon BL-C2
97%
71%
95%
Hodgdon Benchmark
97%
80%
97%
Hodgdon H322
97%
79%
99%
Hodgdon H335
95%
90%
99%
Hodgdon H4198
93%
89%
100%
Hodgdon H4895
97%
69%
94%
Hodgdon TrailBoss
96%
48%
100%
IMR 3031
97%
59%
98%
IMR 4198
97%
90%
100%
IMR 4227
87%
90%
100%
IMR 8208 XBR
97%
74%
95%
Lovex D073.4
97%
89%
98%
Lovex D073.5
97%
84%
98%
Lovex D073.6
97%
64%
96%
Lovex S053
87%
89%
100%
Lovex S060
97%
73%
94%
Lovex S062
97%
59%
93%
Norma 200
94%
90%
100%
Norma 201
97%
67%
94%
Norma 202
97%
67%
97%
Ramshot Wild Boar
97%
73%
93%
Ramshot X-Terminator
97%
84%
95%
ReloadSwiss RS 14
97%
48%
100%
ReloadSwiss RS 36
87%
90%
100%
ReloadSwiss RS 40
97%
85%
98%
Rottweil R 901
97%
73%
98%
Rottweil R 902
97%
63%
93%
SNPE Vectan BA6 1/2
91%
90%
100%
SNPE Vectan SP 10
95%
90%
99%
SNPE Vectan SP 9
97%
67%
92%
SNPE Vectan Tubal 3000
97%
73%
98%
SNPE Vectan Tubal 5000
97%
58%
97%
Shooters World Match Rifle
97%
64%
96%
Shooters World Precision
97%
59%
93%
Shooters World Tactical Rifle
95%
90%
97%
Somchem S321
97%
81%
97%
Somchem S335
97%
70%
98%
Somchem S341
97%
70%
93%
Vihtavuori N120
95%
90%
100%
Vihtavuori N130
97%
81%
100%
Vihtavuori N133
97%
66%
99%
Vihtavuori N135
97%
49%
96%
Vihtavuori N140
97%
62%
97%
Vihtavuori N530
97%
79%
96%
Vihtavuori N540
97%
62%
96%
Winchester 748
97%
79%
97%
Winchester StaBALL Match
97%
88%
96%

Max Load - Barrel Length: 23.60''

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