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Load data for .458 Lott + .458 | 300gr | Barnes X FN

Recommended Powder(s): ADI AR 2219, Accurate 2015, Alliant Reloder-10x, Baschieri & Pellagri 106, SNPE Vectan SP 10

.458 Lott + .458 | 300gr | Barnes X FN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.458 | 300gr | Barnes X FN
Manufacturer SKU:
45832
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.458" | 11.63mm
Bullet Length:
1.119" | 28.4mm
Caliber:
.458 Lott load data
Case Length (l3):
2.800" | 71.1mm
Cartridge Length (C.O.L.):
3.546" | 90.1mm
Seated Depth:
0.373" | 9.5mm
Shank Seated Depth:
0.373" | 9.5mm
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_B802_C790
Last updated:
2025-01-01

Load data for 120 loads in caliber .458 Lott with .458 | 300gr | Barnes X FN bullet and 60 powders such as ADI AR 2219, Accurate 2015, Alliant Reloder-10x, Baschieri & Pellagri 106, SNPE Vectan SP 10. 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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    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.

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%
45571
73%
**51
92%
ADI AR 2207
<<locked>>
91%
55492
89%
**46
100%
ADI AR 2219 👍
<<locked>>
94%
55869
90%
**28
99%
Accurate 1680
<<locked>>
83%
56115
90%
**43
100%
Accurate 2015 👍
<<locked>>
97%
51648
83%
**20
100%
Accurate 2230
<<locked>>
96%
55477
89%
**66
95%
Accurate 2460
<<locked>>
97%
55796
89%
**92
97%
Accurate 2495
<<locked>>
97%
44541
71%
**94
99%
Accurate 2520
<<locked>>
97%
45310
73%
**94
96%
Accurate 4064
<<locked>>
97%
36927
59%
**43
95%
Alliant AR-Comp
<<locked>>
97%
45571
73%
**07
100%
Alliant Reloder-10x 👍
<<locked>>
97%
55956
90%
**99
100%
Alliant Reloder-7
<<locked>>
90%
55898
90%
**33
100%
Baschieri & Pellagri 106 👍
<<locked>>
94%
56101
90%
**20
100%
[Hodgdon BL-C2]*
<<locked>>
97%
46456
74%
**13
94%
Hodgdon Benchmark
<<locked>>
97%
51416
82%
**87
96%
Hodgdon CFE BLK
<<locked>>
90%
56028
90%
**07
96%
Hodgdon H322
<<locked>>
97%
50444
81%
**46
99%
Hodgdon H335
<<locked>>
95%
55999
90%
**35
99%
Hodgdon H4198
<<locked>>
92%
55477
89%
**13
99%
IMR 3031
<<locked>>
97%
39653
64%
**12
97%
IMR 4198
<<locked>>
96%
55492
89%
**49
100%
IMR 4227
<<locked>>
86%
55912
90%
**77
100%
IMR 8208 XBR
<<locked>>
97%
48109
77%
**80
95%
Lovex D073.4
<<locked>>
95%
55317
89%
**69
97%
Lovex D073.5
<<locked>>
97%
55172
88%
**82
97%
Lovex D073.6
<<locked>>
97%
42583
68%
**35
95%
Lovex S053
<<locked>>
87%
55796
89%
**51
100%
[Lovex S060]*
<<locked>>
97%
47239
76%
**98
93%
[Lovex S062]*
<<locked>>
97%
39624
64%
**36
92%
Norma 200
<<locked>>
92%
56028
90%
**72
100%
[Norma 201]*
<<locked>>
97%
45165
72%
**21
94%
Norma 202
<<locked>>
97%
44121
71%
**41
97%
[Ramshot Wild Boar]*
<<locked>>
97%
47442
76%
**87
92%
[Ramshot X-Terminator]*
<<locked>>
97%
53911
86%
**33
94%
ReloadSwiss RS 36
<<locked>>
85%
55535
89%
**10
100%
ReloadSwiss RS 40
<<locked>>
97%
54723
88%
**89
98%
[ReloadSwiss RS 52]*
<<locked>>
97%
38392
62%
**62
92%
Rottweil R 901
<<locked>>
97%
49966
80%
**97
98%
[Rottweil R 902]*
<<locked>>
97%
42786
69%
**66
93%
SNPE Vectan BA6 1/2
<<locked>>
90%
55782
89%
**90
100%
SNPE Vectan SP 10 👍
<<locked>>
94%
55535
89%
**18
99%
[SNPE Vectan SP 9]*
<<locked>>
97%
44106
71%
**18
91%
SNPE Vectan Tubal 3000
<<locked>>
97%
47732
77%
**02
97%
SNPE Vectan Tubal 5000
<<locked>>
97%
38421
62%
**54
96%
Shooters World Match Rifle
<<locked>>
97%
42583
68%
**35
95%
[Shooters World Precision]*
<<locked>>
97%
39624
64%
**36
92%
Shooters World Tactical Rifle
<<locked>>
95%
56086
90%
**49
96%
Somchem S321
<<locked>>
97%
51967
83%
**69
96%
Somchem S335
<<locked>>
97%
46833
75%
**15
98%
[Somchem S341]*
<<locked>>
97%
45832
73%
**35
92%
Vihtavuori N120
<<locked>>
94%
55941
90%
**00
100%
Vihtavuori N130
<<locked>>
97%
52489
84%
**87
100%
Vihtavuori N133
<<locked>>
97%
43453
70%
**59
99%
Vihtavuori N135
<<locked>>
97%
33634
54%
**34
96%
Vihtavuori N140
<<locked>>
97%
41278
66%
**62
96%
Vihtavuori N530
<<locked>>
97%
51010
82%
**40
96%
Vihtavuori N540
<<locked>>
97%
41089
66%
**82
96%
Winchester 748
<<locked>>
97%
50502
81%
**76
96%
Winchester StaBALL Match
<<locked>>
97%
55332
89%
**25
95%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2206H]*
<<locked>>
92%
39682
64%
**36
90%
ADI AR 2207
<<locked>>
81%
42163
68%
**36
100%
ADI AR 2219
<<locked>>
81%
37072
59%
**90
96%
Accurate 1680
<<locked>>
81%
52199
84%
**80
99%
Accurate 2015
<<locked>>
81%
33054
53%
**69
97%
[Accurate 2230]*
<<locked>>
84%
37014
59%
**44
90%
[Accurate 2460]*
<<locked>>
81%
33750
54%
**92
91%
[Accurate 2495]*
<<locked>>
81%
27746
44%
**16
94%
[Accurate 2520]*
<<locked>>
83%
30037
48%
**46
90%
[Accurate 4064]*
<<locked>>
84%
26165
42%
**57
90%
Alliant AR-Comp
<<locked>>
81%
28921
46%
**36
97%
Alliant Reloder-10x
<<locked>>
81%
35766
57%
**44
98%
Alliant Reloder-7
<<locked>>
81%
43642
70%
**36
100%
Baschieri & Pellagri 106
<<locked>>
81%
37695
60%
**08
97%
[Hodgdon BL-C2]*
<<locked>>
88%
35882
58%
**90
90%
[Hodgdon Benchmark]*
<<locked>>
81%
33373
54%
**26
90%
[Hodgdon CFE BLK]*
<<locked>>
81%
42322
68%
**84
93%
[Hodgdon H322]*
<<locked>>
81%
32140
52%
**72
94%
[Hodgdon H335]*
<<locked>>
81%
36332
58%
**77
94%
Hodgdon H4198
<<locked>>
81%
41031
66%
**61
96%
[IMR 3031]*
<<locked>>
81%
25831
41%
**34
91%
IMR 4198
<<locked>>
81%
37014
59%
**34
99%
IMR 4227
<<locked>>
81%
48907
78%
**75
100%
[IMR 8208 XBR]*
<<locked>>
86%
34954
56%
**11
90%
[Lovex D073.4]*
<<locked>>
81%
35085
56%
**05
91%
[Lovex D073.5]*
<<locked>>
81%
33866
54%
**88
91%
[Lovex D073.6]*
<<locked>>
85%
29936
48%
**49
90%
Lovex S053
<<locked>>
81%
48182
77%
**43
100%
[Lovex S060]*
<<locked>>
90%
39755
64%
**54
90%
[Lovex S062]*
<<locked>>
92%
34969
56%
**31
90%
Norma 200
<<locked>>
81%
40959
66%
**26
100%
[Norma 201]*
<<locked>>
87%
34679
56%
**02
90%
[Norma 202]*
<<locked>>
81%
28166
45%
**67
90%
[Ramshot Wild Boar]*
<<locked>>
92%
40886
66%
**62
90%
[Ramshot X-Terminator]*
<<locked>>
88%
40857
66%
**07
90%
ReloadSwiss RS 36
<<locked>>
81%
48704
78%
**12
100%
[ReloadSwiss RS 40]*
<<locked>>
81%
34171
55%
**98
92%
[ReloadSwiss RS 52]*
<<locked>>
94%
35331
57%
**90
90%
[Rottweil R 901]*
<<locked>>
81%
32866
53%
**39
92%
[Rottweil R 902]*
<<locked>>
89%
34766
56%
**95
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
44715
72%
**43
100%
SNPE Vectan SP 10
<<locked>>
81%
37840
61%
**00
95%
[SNPE Vectan SP 9]*
<<locked>>
94%
40451
65%
**46
90%
[SNPE Vectan Tubal 3000]*
<<locked>>
81%
30589
49%
**51
92%
[SNPE Vectan Tubal 5000]*
<<locked>>
81%
25643
41%
**23
90%
[Shooters World Match Rifle]*
<<locked>>
85%
29936
48%
**49
90%
[Shooters World Precision]*
<<locked>>
92%
34969
56%
**31
90%
[Shooters World Tactical Rifle]*
<<locked>>
81%
36854
59%
**11
90%
[Somchem S321]*
<<locked>>
83%
33924
54%
**15
90%
[Somchem S335]*
<<locked>>
81%
30139
48%
**64
93%
[Somchem S341]*
<<locked>>
94%
41872
67%
**52
90%
Vihtavuori N120
<<locked>>
81%
39610
64%
**51
100%
Vihtavuori N130
<<locked>>
81%
33910
54%
**49
98%
[Vihtavuori N133]*
<<locked>>
81%
28427
46%
**21
94%
[Vihtavuori N135]*
<<locked>>
82%
23235
37%
**19
90%
[Vihtavuori N140]*
<<locked>>
82%
27412
44%
**21
90%
[Vihtavuori N530]*
<<locked>>
84%
34548
55%
**15
90%
[Vihtavuori N540]*
<<locked>>
83%
28471
46%
**70
90%
[Winchester 748]*
<<locked>>
83%
33402
54%
**18
90%
[Winchester StaBALL Match]*
<<locked>>
86%
38769
62%
**26
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.

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