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

Recommended Powder(s): ADI AR 2219, Accurate 2015, Alliant AR-Comp, Hodgdon H335, SNPE Vectan SP 10

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

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.458 | 300gr | Barnes X S
Manufacturer SKU:
45802
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.458" | 11.63mm
Bullet Length:
1.085" | 27.6mm
Caliber:
.458 Lott load data
Case Length (l3):
2.800" | 71.1mm
Cartridge Length (C.O.L.):
3.546" | 90.1mm
Seated Depth:
0.339" | 8.6mm
Shank Seated Depth:
0.339" | 8.6mm
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_B806_C790
Last updated:
2025-01-01

Load data for 122 loads in caliber .458 Lott with .458 | 300gr | Barnes X S bullet and 61 powders such as ADI AR 2219, Accurate 2015, Alliant AR-Comp, Hodgdon H335, 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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  • 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%
46021
74%
**71
92%
ADI AR 2207
<<locked>>
90%
55477
89%
**49
100%
ADI AR 2219 👍
<<locked>>
94%
55796
89%
**38
99%
Accurate 2015 👍
<<locked>>
97%
52330
84%
**33
100%
[Accurate 2200]*
<<locked>>
97%
50154
80%
**77
91%
Accurate 2230
<<locked>>
96%
54998
88%
**69
96%
Accurate 2460
<<locked>>
97%
56057
90%
**05
97%
Accurate 2495
<<locked>>
97%
45121
72%
**10
99%
Accurate 2520
<<locked>>
97%
46369
74%
**10
96%
Accurate 4064
<<locked>>
97%
37782
61%
**62
96%
Alliant AR-Comp 👍
<<locked>>
97%
46108
74%
**26
100%
Alliant Reloder-10x
<<locked>>
96%
56057
90%
**05
100%
Alliant Reloder-7
<<locked>>
89%
56072
90%
**43
100%
Baschieri & Pellagri 106
<<locked>>
94%
55956
90%
**23
100%
[Hodgdon BL-C2]*
<<locked>>
97%
47239
76%
**36
94%
Hodgdon Benchmark
<<locked>>
97%
52547
84%
**13
97%
Hodgdon CFE BLK
<<locked>>
90%
55898
90%
**17
96%
Hodgdon H322
<<locked>>
97%
50850
82%
**59
99%
Hodgdon H335 👍
<<locked>>
94%
55085
88%
**25
99%
Hodgdon H4198
<<locked>>
92%
55985
90%
**26
99%
IMR 3031
<<locked>>
97%
40277
65%
**28
98%
IMR 4198
<<locked>>
96%
55941
90%
**59
100%
IMR 4227
<<locked>>
85%
55709
89%
**87
100%
[IMR 4895]*
<<locked>>
97%
41568
67%
**21
91%
IMR 8208 XBR
<<locked>>
97%
48950
78%
**97
95%
Lovex D073.4
<<locked>>
95%
56014
90%
**95
97%
Lovex D073.5
<<locked>>
97%
55405
89%
**92
97%
Lovex D073.6
<<locked>>
97%
43671
70%
**64
96%
Lovex S053
<<locked>>
86%
55796
89%
**54
100%
[Lovex S060]*
<<locked>>
97%
47877
77%
**25
93%
[Lovex S062]*
<<locked>>
97%
40277
65%
**56
93%
Norma 200
<<locked>>
91%
56072
90%
**72
100%
[Norma 201]*
<<locked>>
97%
45658
73%
**41
94%
Norma 202
<<locked>>
97%
44802
72%
**64
97%
[Ramshot Wild Boar]*
<<locked>>
97%
48080
77%
**07
93%
[Ramshot X-Terminator]*
<<locked>>
97%
54795
88%
**59
94%
ReloadSwiss RS 36
<<locked>>
85%
55709
89%
**23
100%
ReloadSwiss RS 40
<<locked>>
97%
55637
89%
**05
98%
[ReloadSwiss RS 52]*
<<locked>>
97%
39204
63%
**92
92%
Rottweil R 901
<<locked>>
97%
50589
81%
**17
98%
[Rottweil R 902]*
<<locked>>
97%
43482
70%
**89
93%
SNPE Vectan BA6 1/2
<<locked>>
90%
55825
90%
**00
100%
SNPE Vectan SP 10 👍
<<locked>>
93%
56028
90%
**35
99%
[SNPE Vectan SP 9]*
<<locked>>
97%
45005
72%
**44
92%
SNPE Vectan Tubal 3000
<<locked>>
97%
48675
78%
**28
98%
SNPE Vectan Tubal 5000
<<locked>>
97%
39494
63%
**80
97%
Shooters World Match Rifle
<<locked>>
97%
43671
70%
**64
96%
[Shooters World Precision]*
<<locked>>
97%
40277
65%
**56
93%
Shooters World Tactical Rifle
<<locked>>
94%
56057
90%
**59
96%
Somchem S321
<<locked>>
97%
52910
85%
**89
96%
Somchem S335
<<locked>>
97%
47036
75%
**21
98%
[Somchem S341]*
<<locked>>
97%
46601
75%
**54
92%
Vihtavuori N120
<<locked>>
93%
55579
89%
**00
100%
Vihtavuori N130
<<locked>>
97%
52852
85%
**03
100%
Vihtavuori N133
<<locked>>
97%
43845
70%
**72
99%
Vihtavuori N135
<<locked>>
97%
34534
55%
**57
97%
Vihtavuori N140
<<locked>>
97%
41771
67%
**82
97%
Vihtavuori N530
<<locked>>
97%
51953
83%
**62
96%
Vihtavuori N540
<<locked>>
97%
41727
67%
**05
96%
Winchester 748
<<locked>>
97%
51387
82%
**99
97%
Winchester StaBALL Match
<<locked>>
97%
55883
90%
**44
96%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2206H]*
<<locked>>
91%
39436
63%
**36
90%
ADI AR 2207
<<locked>>
81%
42424
68%
**49
100%
ADI AR 2219
<<locked>>
81%
37550
60%
**07
96%
Accurate 2015
<<locked>>
81%
33736
54%
**92
97%
[Accurate 2200]*
<<locked>>
94%
46601
75%
**18
90%
[Accurate 2230]*
<<locked>>
83%
36651
59%
**44
90%
[Accurate 2460]*
<<locked>>
81%
34127
55%
**05
91%
Accurate 2495
<<locked>>
81%
28427
46%
**43
95%
[Accurate 2520]*
<<locked>>
82%
29443
47%
**39
90%
[Accurate 4064]*
<<locked>>
83%
25860
41%
**54
90%
Alliant AR-Comp
<<locked>>
81%
29457
47%
**59
98%
Alliant Reloder-10x
<<locked>>
81%
36521
59%
**67
99%
Alliant Reloder-7
<<locked>>
81%
44063
71%
**59
100%
Baschieri & Pellagri 106
<<locked>>
81%
38058
61%
**28
97%
[Hodgdon BL-C2]*
<<locked>>
87%
35244
57%
**84
90%
[Hodgdon Benchmark]*
<<locked>>
81%
33881
54%
**46
91%
[Hodgdon CFE BLK]*
<<locked>>
81%
43004
69%
**00
93%
[Hodgdon H322]*
<<locked>>
81%
32314
52%
**82
94%
Hodgdon H335
<<locked>>
81%
36927
59%
**93
95%
Hodgdon H4198
<<locked>>
81%
41742
67%
**80
97%
[IMR 3031]*
<<locked>>
81%
26368
42%
**57
91%
IMR 4198
<<locked>>
81%
37420
60%
**48
99%
IMR 4227
<<locked>>
81%
49792
80%
**95
100%
[IMR 4895]*
<<locked>>
94%
38928
62%
**69
90%
[IMR 8208 XBR]*
<<locked>>
84%
34606
55%
**08
90%
[Lovex D073.4]*
<<locked>>
81%
35462
57%
**25
92%
[Lovex D073.5]*
<<locked>>
81%
34229
55%
**02
91%
[Lovex D073.6]*
<<locked>>
84%
29283
47%
**36
90%
Lovex S053
<<locked>>
81%
48936
78%
**56
100%
[Lovex S060]*
<<locked>>
89%
39189
63%
**54
90%
[Lovex S062]*
<<locked>>
91%
34258
55%
**25
90%
Norma 200
<<locked>>
81%
41379
66%
**46
100%
[Norma 201]*
<<locked>>
86%
34142
55%
**98
90%
[Norma 202]*
<<locked>>
81%
28732
46%
**93
91%
[Ramshot Wild Boar]*
<<locked>>
91%
40321
65%
**56
90%
[Ramshot X-Terminator]*
<<locked>>
87%
40277
65%
**00
90%
ReloadSwiss RS 36
<<locked>>
81%
49617
80%
**35
100%
[ReloadSwiss RS 40]*
<<locked>>
81%
34664
56%
**15
92%
[ReloadSwiss RS 52]*
<<locked>>
93%
35433
57%
**97
90%
[Rottweil R 901]*
<<locked>>
81%
33286
53%
**56
93%
[Rottweil R 902]*
<<locked>>
89%
34650
56%
**98
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
45092
72%
**56
100%
SNPE Vectan SP 10
<<locked>>
81%
38276
61%
**20
95%
[SNPE Vectan SP 9]*
<<locked>>
93%
39900
64%
**46
90%
[SNPE Vectan Tubal 3000]*
<<locked>>
81%
31241
50%
**70
92%
[SNPE Vectan Tubal 5000]*
<<locked>>
81%
25643
41%
**33
90%
[Shooters World Match Rifle]*
<<locked>>
84%
29283
47%
**36
90%
[Shooters World Precision]*
<<locked>>
91%
34258
55%
**25
90%
[Shooters World Tactical Rifle]*
<<locked>>
81%
36666
59%
**18
90%
[Somchem S321]*
<<locked>>
82%
33431
54%
**11
90%
[Somchem S335]*
<<locked>>
81%
30443
49%
**80
93%
[Somchem S341]*
<<locked>>
93%
40872
66%
**46
90%
Vihtavuori N120
<<locked>>
81%
39914
64%
**64
100%
Vihtavuori N130
<<locked>>
81%
34360
55%
**65
98%
Vihtavuori N133
<<locked>>
81%
28848
46%
**38
95%
[Vihtavuori N135]*
<<locked>>
81%
23221
37%
**19
90%
[Vihtavuori N140]*
<<locked>>
81%
27108
43%
**18
90%
[Vihtavuori N530]*
<<locked>>
83%
34156
55%
**11
90%
[Vihtavuori N540]*
<<locked>>
82%
28036
45%
**67
90%
[Winchester 748]*
<<locked>>
83%
33446
54%
**25
90%
[Winchester StaBALL Match]*
<<locked>>
85%
38261
61%
**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.

<<locked>>... you need to buy an access license to unlock the data

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