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Load data for .458 Lott + .458 | 300gr | Barnes TTSX BT

Recommended Powder(s): Alliant Reloder-10x, Baschieri & Pellagri 106, Hodgdon H4198, IMR 4198, Norma 200

.458 Lott + .458 | 300gr | Barnes TTSX BT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.458 | 300gr | Barnes TTSX BT
Manufacturer SKU:
30642
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.458" | 11.63mm
Bullet Length:
1.235" | 31.4mm
Caliber:
.458 Lott load data
Case Length (l3):
2.800" | 71.1mm
Cartridge Length (C.O.L.):
3.546" | 90.1mm
Seated Depth:
0.489" | 12.4mm
Shank Seated Depth:
0.332" | 8.4mm
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_B804_C790
Last updated:
2025-02-02
Recommended Twist Rate:
1:26 - 1:22

Load data for 106 loads in caliber .458 Lott with .458 | 300gr | Barnes TTSX BT bullet and 53 powders such as Alliant Reloder-10x, Baschieri & Pellagri 106, Hodgdon H4198, IMR 4198, Norma 200. 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 2205
83%
89%
100%
ADI AR 2207
95%
90%
100%
ADI AR 2219
97%
86%
99%
Accurate 1680
87%
90%
100%
Accurate 2015
97%
71%
99%
Accurate 2230
97%
78%
93%
Accurate 2460
97%
76%
95%
Accurate 2495
97%
57%
97%
Accurate 2520
97%
61%
94%
Accurate 4064
97%
47%
92%
Alliant AR-Comp
97%
62%
100%
Alliant Reloder-10x
97%
78%
100%
Alliant Reloder-7
94%
90%
100%
Baschieri & Pellagri 106
97%
87%
99%
Hodgdon Benchmark
97%
73%
94%
Hodgdon CFE BLK
94%
90%
96%
Hodgdon H322
97%
71%
97%
Hodgdon H335
97%
85%
98%
Hodgdon H4198
96%
90%
99%
IMR 3031
97%
54%
95%
IMR 4198
97%
81%
100%
IMR 4227
89%
89%
100%
IMR 8208 XBR
97%
67%
92%
Lovex D060
83%
90%
100%
Lovex D073.4
97%
81%
96%
Lovex D073.5
97%
75%
95%
Lovex D073.6
97%
57%
93%
Lovex S053
90%
90%
100%
Norma 200
97%
89%
100%
Norma 202
97%
60%
94%
Ramshot X-Terminator
97%
76%
92%
ReloadSwiss RS 36
89%
89%
100%
ReloadSwiss RS 40
97%
78%
96%
Rottweil R 901
97%
67%
95%
SNPE Vectan BA6 1/2
94%
90%
100%
SNPE Vectan SP 10
97%
87%
98%
SNPE Vectan Tubal 3000
97%
66%
95%
SNPE Vectan Tubal 5000
97%
53%
94%
Shooters World Buffalo Rifle
83%
90%
100%
Shooters World Match Rifle
97%
57%
93%
Shooters World Tactical Rifle
97%
84%
95%
Somchem S321
97%
72%
94%
Somchem S335
97%
64%
96%
Vihtavuori N110
85%
89%
100%
Vihtavuori N120
97%
86%
100%
Vihtavuori N130
97%
74%
100%
Vihtavuori N133
97%
60%
97%
Vihtavuori N135
97%
45%
93%
Vihtavuori N140
97%
57%
94%
Vihtavuori N530
97%
72%
94%
Vihtavuori N540
97%
56%
93%
Winchester 748
97%
71%
94%
Winchester StaBALL Match
97%
78%
93%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2205
<<locked>>
81%
52083
84%
**30
100%
ADI AR 2207
<<locked>>
81%
35882
58%
**41
100%
[ADI AR 2219]*
<<locked>>
81%
31807
51%
**79
93%
Accurate 1680
<<locked>>
81%
46209
74%
**85
98%
[Accurate 2015]*
<<locked>>
81%
26803
43%
**34
94%
[Accurate 2230]*
<<locked>>
90%
38174
61%
**84
90%
[Accurate 2460]*
<<locked>>
86%
32547
52%
**82
90%
[Accurate 2495]*
<<locked>>
82%
21292
34%
**62
90%
[Accurate 2520]*
<<locked>>
90%
30443
49%
**85
90%
[Accurate 4064]*
<<locked>>
94%
26266
42%
**10
90%
[Alliant AR-Comp]*
<<locked>>
81%
23917
38%
**98
94%
Alliant Reloder-10x
<<locked>>
81%
29834
48%
**29
96%
Alliant Reloder-7
<<locked>>
81%
37434
60%
**38
99%
Baschieri & Pellagri 106
<<locked>>
81%
32808
53%
**13
95%
[Hodgdon Benchmark]*
<<locked>>
87%
33852
54%
**49
90%
[Hodgdon CFE BLK]*
<<locked>>
81%
37231
60%
**79
90%
[Hodgdon H322]*
<<locked>>
81%
27180
44%
**47
91%
[Hodgdon H335]*
<<locked>>
81%
30937
50%
**56
91%
Hodgdon H4198
<<locked>>
81%
36129
58%
**72
95%
[IMR 3031]*
<<locked>>
87%
25353
41%
**41
90%
IMR 4198
<<locked>>
81%
32256
52%
**33
98%
IMR 4227
<<locked>>
81%
43772
70%
**03
100%
[IMR 8208 XBR]*
<<locked>>
92%
36114
58%
**51
90%
Lovex D060
<<locked>>
81%
52286
84%
**71
100%
[Lovex D073.4]*
<<locked>>
85%
32837
53%
**79
90%
[Lovex D073.5]*
<<locked>>
86%
32547
52%
**82
90%
[Lovex D073.6]*
<<locked>>
92%
30443
49%
**85
90%
Lovex S053
<<locked>>
81%
42598
68%
**64
100%
Norma 200
<<locked>>
81%
33939
54%
**08
98%
[Norma 202]*
<<locked>>
88%
28456
46%
**97
90%
[Ramshot X-Terminator]*
<<locked>>
94%
42467
68%
**39
90%
ReloadSwiss RS 36
<<locked>>
81%
42989
69%
**26
100%
[ReloadSwiss RS 40]*
<<locked>>
84%
31212
50%
**43
90%
[Rottweil R 901]*
<<locked>>
84%
28761
46%
**70
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
39798
64%
**83
100%
[SNPE Vectan SP 10]*
<<locked>>
81%
31647
51%
**75
92%
[SNPE Vectan Tubal 3000]*
<<locked>>
85%
28398
46%
**15
90%
[SNPE Vectan Tubal 5000]*
<<locked>>
89%
26440
42%
**65
90%
Shooters World Buffalo Rifle
<<locked>>
81%
52286
84%
**71
100%
[Shooters World Match Rifle]*
<<locked>>
92%
30443
49%
**85
90%
[Shooters World Tactical Rifle]*
<<locked>>
87%
37913
61%
**41
90%
[Somchem S321]*
<<locked>>
89%
34867
56%
**48
90%
[Somchem S335]*
<<locked>>
83%
25904
42%
**72
90%
Vihtavuori N110
<<locked>>
81%
50183
80%
**07
100%
Vihtavuori N120
<<locked>>
81%
33605
54%
**56
100%
Vihtavuori N130
<<locked>>
81%
28558
46%
**41
95%
[Vihtavuori N133]*
<<locked>>
81%
23627
38%
**00
91%
[Vihtavuori N135]*
<<locked>>
91%
23786
38%
**69
90%
[Vihtavuori N140]*
<<locked>>
89%
27992
45%
**60
90%
[Vihtavuori N530]*
<<locked>>
90%
35824
57%
**54
90%
[Vihtavuori N540]*
<<locked>>
91%
29153
47%
**16
90%
[Winchester 748]*
<<locked>>
90%
34795
56%
**61
90%
[Winchester StaBALL Match]*
<<locked>>
91%
39827
64%
**52
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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