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Load data for .458 Win.Mag. + .458 | 450gr | Barnes X S

Recommended Powder(s):

.458 Win.Mag. + .458 | 450gr | Barnes X S

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.458 | 450gr | Barnes X S
Manufacturer SKU:
45818
Bullet Weight:
450gr | 29.2g
Bullet Diameter:
0.458" | 11.63mm
Bullet Length:
<<locked>>
Caliber:
.458 Win.Mag. load data
Case Length (l3):
2.500" | 63.5mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
95.0 Grains of Water | 6.17 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B818_C796
Last updated:
2026-03-21

Load data for 150 loads in caliber .458 Win.Mag. with .458 | 450gr | Barnes X S bullet and 75 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]*
<<locked>>
97%
44063
71%
**08
94%
ADI AR 2207
<<locked>>
92%
55912
90%
**64
100%
ADI AR 2219 👍
<<locked>>
95%
55129
88%
**39
100%
ADI Benchmark 8208
<<locked>>
97%
46934
75%
**24
97%
Accurate 1680
<<locked>>
83%
55347
89%
**57
100%
Accurate 2015
<<locked>>
97%
50285
81%
**44
100%
[Accurate 2200]*
<<locked>>
97%
48602
78%
**18
93%
Accurate 2230
<<locked>>
97%
54592
88%
**00
97%
Accurate 2460
<<locked>>
97%
53330
86%
**06
98%
Accurate 2495
<<locked>>
97%
42119
68%
**24
100%
Accurate 2520
<<locked>>
97%
43584
70%
**37
98%
Accurate 4064
<<locked>>
97%
35027
56%
**19
97%
Alliant AR-Comp
<<locked>>
97%
43990
71%
**37
100%
[Alliant Reloder- TS 15.5]*
<<locked>>
97%
35491
57%
**96
93%
Alliant Reloder-10x
<<locked>>
97%
54302
87%
**96
100%
[Alliant Reloder-15]*
<<locked>>
97%
38667
62%
**46
92%
Alliant Reloder-7
<<locked>>
90%
55332
89%
**51
100%
Baschieri & Pellagri 106 👍
<<locked>>
95%
55898
90%
**60
100%
[Baschieri & Pellagri 107]*
<<locked>>
97%
43947
70%
**05
92%
[Bofors RP3]*
<<locked>>
97%
34534
55%
**06
93%
Hodgdon BL-C2
<<locked>>
97%
44556
71%
**54
96%
Hodgdon Benchmark
<<locked>>
97%
50459
81%
**28
98%
Hodgdon H322 👍
<<locked>>
96%
48878
78%
**67
100%
Hodgdon H335 👍
<<locked>>
95%
55564
89%
**49
100%
Hodgdon H4198
<<locked>>
93%
56014
90%
**51
100%
Hodgdon H4895
<<locked>>
97%
44121
71%
**18
95%
IMR 3031
<<locked>>
97%
38319
61%
**69
99%
IMR 4198
<<locked>>
97%
55811
89%
**67
100%
IMR 4227
<<locked>>
86%
55695
89%
**01
100%
[IMR 4895]*
<<locked>>
97%
39436
63%
**72
93%
IMR 8208 XBR
<<locked>>
97%
46934
75%
**24
97%
Lovex D073.4
<<locked>>
97%
55869
90%
**16
99%
Lovex D073.5
<<locked>>
97%
53345
86%
**03
98%
Lovex D073.6
<<locked>>
97%
41089
66%
**98
97%
Lovex S053
<<locked>>
87%
55463
89%
**72
100%
Lovex S060
<<locked>>
97%
46354
74%
**69
95%
[Lovex S062]*
<<locked>>
97%
38130
61%
**16
94%
Norma 200
<<locked>>
93%
55927
90%
**87
100%
Norma 201
<<locked>>
97%
43555
70%
**78
96%
Norma 202
<<locked>>
97%
42192
68%
**88
98%
[Norma 203B]*
<<locked>>
97%
37913
61%
**39
92%
[Ramshot Big Game]*
<<locked>>
97%
38551
62%
**39
91%
[Ramshot TAC]*
<<locked>>
97%
48124
77%
**24
92%
Ramshot Wild Boar
<<locked>>
97%
45701
73%
**34
95%
Ramshot X-Terminator
<<locked>>
97%
52417
84%
**70
96%
ReloadSwiss RS 36
<<locked>>
86%
55579
89%
**37
100%
ReloadSwiss RS 40
<<locked>>
97%
53548
86%
**06
99%
[ReloadSwiss RS 52]*
<<locked>>
97%
40553
65%
**11
92%
[ReloadSwiss RS 60]*
<<locked>>
97%
35215
56%
**06
93%
Rottweil R 901
<<locked>>
96%
47529
76%
**21
99%
Rottweil R 902
<<locked>>
97%
41075
66%
**39
95%
[Rottweil R 903]*
<<locked>>
97%
32518
52%
**57
91%
SNPE Vectan BA6 1/2
<<locked>>
91%
56115
90%
**57
100%
SNPE Vectan SP 10 👍
<<locked>>
95%
55709
89%
**46
100%
[SNPE Vectan SP 7]*
<<locked>>
97%
45049
72%
**95
92%
[SNPE Vectan SP 9]*
<<locked>>
97%
42366
68%
**82
94%
SNPE Vectan Tubal 3000
<<locked>>
97%
46876
75%
**65
99%
SNPE Vectan Tubal 5000
<<locked>>
97%
37985
61%
**60
98%
Shooters World Match Rifle
<<locked>>
97%
41089
66%
**98
97%
[Shooters World Precision]*
<<locked>>
97%
38130
61%
**16
94%
Shooters World Tactical Rifle
<<locked>>
96%
56028
90%
**96
98%
Somchem S321
<<locked>>
97%
50517
81%
**00
98%
Somchem S335
<<locked>>
97%
44628
72%
**62
99%
[Somchem S341]*
<<locked>>
97%
44295
71%
**95
94%
[Somchem S355]*
<<locked>>
97%
33765
54%
**64
92%
Vihtavuori N120
<<locked>>
94%
56043
90%
**21
100%
Vihtavuori N130
<<locked>>
97%
50836
82%
**14
100%
Vihtavuori N133
<<locked>>
97%
41945
67%
**19
100%
Vihtavuori N135
<<locked>>
97%
32489
52%
**37
98%
Vihtavuori N140
<<locked>>
97%
39784
64%
**32
98%
[Vihtavuori N150]*
<<locked>>
97%
29515
47%
**59
91%
Vihtavuori N530
<<locked>>
97%
49632
80%
**70
97%
Vihtavuori N540
<<locked>>
97%
39958
64%
**62
98%
Winchester 748
<<locked>>
97%
49168
79%
**06
98%
Winchester StaBALL Match
<<locked>>
97%
53432
86%
**39
97%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2206H]*
<<locked>>
86%
32576
52%
**14
90%
ADI AR 2207
<<locked>>
81%
41147
66%
**96
100%
ADI AR 2219
<<locked>>
81%
36201
58%
**83
98%
[ADI Benchmark 8208]*
<<locked>>
81%
29965
48%
**42
91%
Accurate 1680
<<locked>>
81%
51401
82%
**11
100%
Accurate 2015
<<locked>>
81%
31908
51%
**85
98%
[Accurate 2200]*
<<locked>>
89%
38508
62%
**73
90%
[Accurate 2230]*
<<locked>>
81%
32532
52%
**88
91%
[Accurate 2460]*
<<locked>>
81%
32489
52%
**04
94%
Accurate 2495
<<locked>>
81%
26614
43%
**55
97%
[Accurate 2520]*
<<locked>>
81%
26919
43%
**39
92%
[Accurate 4064]*
<<locked>>
81%
22698
36%
**57
92%
Alliant AR-Comp
<<locked>>
81%
28094
45%
**68
99%
[Alliant Reloder- TS 15.5]*
<<locked>>
90%
29965
48%
**91
90%
Alliant Reloder-10x
<<locked>>
81%
34998
56%
**41
100%
[Alliant Reloder-15]*
<<locked>>
93%
34635
56%
**73
90%
Alliant Reloder-7
<<locked>>
81%
42496
68%
**00
100%
Baschieri & Pellagri 106
<<locked>>
81%
36869
59%
**21
98%
[Baschieri & Pellagri 107]*
<<locked>>
92%
38377
62%
**19
90%
[Bofors RP3]*
<<locked>>
91%
29109
47%
**95
90%
[Hodgdon BL-C2]*
<<locked>>
83%
29588
47%
**88
90%
[Hodgdon Benchmark]*
<<locked>>
81%
32430
52%
**55
93%
Hodgdon H322
<<locked>>
81%
31256
50%
**91
96%
Hodgdon H335
<<locked>>
81%
35389
57%
**77
96%
Hodgdon H4198
<<locked>>
81%
40379
65%
**54
98%
[Hodgdon H4895]*
<<locked>>
84%
30385
49%
**78
90%
[IMR 3031]*
<<locked>>
81%
25367
41%
**99
94%
IMR 4198
<<locked>>
81%
36680
59%
**27
100%
IMR 4227
<<locked>>
81%
48399
78%
**26
100%
[IMR 4895]*
<<locked>>
90%
32213
52%
**41
90%
[IMR 8208 XBR]*
<<locked>>
81%
29965
48%
**42
91%
[Lovex D073.4]*
<<locked>>
81%
33765
54%
**18
94%
[Lovex D073.5]*
<<locked>>
81%
32140
52%
**01
93%
[Lovex D073.6]*
<<locked>>
81%
25686
41%
**09
91%
Lovex S053
<<locked>>
81%
47776
77%
**93
100%
[Lovex S060]*
<<locked>>
84%
32721
52%
**52
90%
[Lovex S062]*
<<locked>>
86%
28195
45%
**32
90%
Norma 200
<<locked>>
81%
39871
64%
**96
100%
[Norma 201]*
<<locked>>
81%
28094
45%
**09
90%
[Norma 202]*
<<locked>>
81%
27514
44%
**22
93%
[Norma 203B]*
<<locked>>
91%
32750
53%
**44
90%
[Ramshot Big Game]*
<<locked>>
94%
36274
58%
**96
90%
[Ramshot TAC]*
<<locked>>
93%
43149
69%
**52
90%
[Ramshot Wild Boar]*
<<locked>>
86%
33417
54%
**37
90%
[Ramshot X-Terminator]*
<<locked>>
82%
33417
54%
**91
90%
ReloadSwiss RS 36
<<locked>>
81%
47761
77%
**52
100%
[ReloadSwiss RS 40]*
<<locked>>
81%
33228
53%
**14
94%
[ReloadSwiss RS 52]*
<<locked>>
93%
36289
58%
**36
90%
[ReloadSwiss RS 60]*
<<locked>>
93%
31241
50%
**27
90%
Rottweil R 901
<<locked>>
81%
31836
51%
**65
95%
[Rottweil R 902]*
<<locked>>
83%
28340
45%
**06
90%
[Rottweil R 903]*
<<locked>>
94%
30182
48%
**11
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
43947
70%
**32
100%
SNPE Vectan SP 10
<<locked>>
81%
36390
58%
**86
97%
[SNPE Vectan SP 7]*
<<locked>>
94%
40698
65%
**32
90%
[SNPE Vectan SP 9]*
<<locked>>
88%
33257
53%
**27
90%
[SNPE Vectan Tubal 3000]*
<<locked>>
81%
29762
48%
**96
94%
[SNPE Vectan Tubal 5000]*
<<locked>>
81%
24482
39%
**01
93%
[Shooters World Match Rifle]*
<<locked>>
81%
25686
41%
**09
91%
[Shooters World Precision]*
<<locked>>
86%
28195
45%
**32
90%
[Shooters World Tactical Rifle]*
<<locked>>
81%
35346
57%
**18
93%
[Somchem S321]*
<<locked>>
81%
31154
50%
**98
92%
Somchem S335
<<locked>>
81%
29298
47%
**09
95%
[Somchem S341]*
<<locked>>
88%
34476
55%
**37
90%
[Somchem S355]*
<<locked>>
93%
31024
50%
**11
90%
Vihtavuori N120
<<locked>>
81%
38740
62%
**27
100%
Vihtavuori N130
<<locked>>
81%
33083
53%
**68
99%
Vihtavuori N133
<<locked>>
81%
27717
44%
**77
97%
[Vihtavuori N135]*
<<locked>>
81%
21973
35%
**91
93%
[Vihtavuori N140]*
<<locked>>
81%
26049
42%
**70
93%
[Vihtavuori N150]*
<<locked>>
94%
27702
44%
**13
90%
[Vihtavuori N530]*
<<locked>>
81%
30980
50%
**78
92%
[Vihtavuori N540]*
<<locked>>
81%
25570
41%
**80
92%
[Winchester 748]*
<<locked>>
81%
30414
49%
**95
92%
[Winchester StaBALL Match]*
<<locked>>
81%
31937
51%
**14
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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