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Load data for .450 N.E. 3 1/4'' + .458 | 450gr | Barnes X S

Recommended Powder(s): ReloadSwiss RS 52, ReloadSwiss RS 60, Somchem S365

.450 N.E. 3 1/4'' + .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:
1.480" | 37.6mm
Caliber:
.450 N.E. 3 1/4'' load data
Case Length (l3):
3.250" | 82.5mm
Cartridge Length (C.O.L.):
3.891" | 98.8mm
Seated Depth:
0.839" | 21.3mm
Shank Seated Depth:
0.839" | 21.3mm
Case Capacity:
136.0 Grains of Water | 8.83 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
44237 psi | 3050 bar
LID:
LID_B818_C765
Last updated:
2025-01-01

Load data for 86 loads in caliber .450 N.E. 3 1/4'' with .458 | 450gr | Barnes X S bullet and 43 powders such as ReloadSwiss RS 52, ReloadSwiss RS 60, Somchem S365. 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 2208
<<locked>>
84%
39798
90%
**23
97%
Accurate 4350
<<locked>>
94%
39697
90%
**08
96%
Alliant Reloder- TS 15.5
<<locked>>
85%
39755
90%
**56
98%
Alliant Reloder-16
<<locked>>
93%
39639
90%
**98
96%
Alliant Reloder-17
<<locked>>
89%
39581
89%
**31
98%
[Alliant Reloder-23]*
<<locked>>
97%
32343
73%
**77
94%
[Alliant Reloder-26]*
<<locked>>
97%
34447
78%
**59
92%
Hodgdon CFE223
<<locked>>
84%
39537
89%
**85
96%
Hodgdon H380
<<locked>>
84%
39595
90%
**42
95%
[Hodgdon H414]*
<<locked>>
88%
39291
89%
**85
92%
Hodgdon Hybrid 100V
<<locked>>
96%
39581
89%
**72
98%
Hodgdon LVR
<<locked>>
90%
39784
90%
**82
95%
Hodgdon VARGET
<<locked>>
84%
39798
90%
**23
97%
IMR 4064
<<locked>>
84%
39276
89%
**06
97%
[IMR 4166 Enduron]*
<<locked>>
84%
39581
89%
**73
92%
[IMR 4350]*
<<locked>>
92%
39697
90%
**29
91%
[IMR 4451 Enduron]*
<<locked>>
87%
39697
90%
**10
92%
IMR 4831
<<locked>>
97%
38159
86%
**62
96%
[Lovex S065]*
<<locked>>
89%
39581
89%
**16
94%
[Lovex S070]*
<<locked>>
91%
39305
89%
**33
92%
Norma URP
<<locked>>
93%
39508
89%
**95
96%
Ramshot Big Game
<<locked>>
83%
39798
90%
**75
97%
[Ramshot Hunter]*
<<locked>>
93%
39537
89%
**92
93%
[ReloadSwiss RS 50]*
<<locked>>
84%
39697
90%
**19
93%
ReloadSwiss RS 52 👍
<<locked>>
84%
39465
89%
**95
99%
ReloadSwiss RS 60 👍
<<locked>>
90%
39740
90%
**41
98%
ReloadSwiss RS 62
<<locked>>
94%
39798
90%
**28
95%
[ReloadSwiss RS 70]*
<<locked>>
93%
39769
90%
**08
94%
Rottweil R 903
<<locked>>
87%
39639
90%
**56
98%
[Rottweil R 907]*
<<locked>>
88%
39769
90%
**06
91%
SNPE Vectan SP 11
<<locked>>
86%
39610
90%
**82
97%
SNPE Vectan Tubal 5000
<<locked>>
84%
39276
89%
**64
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
90%
39537
89%
**90
92%
[Shooters World Long Rifle]*
<<locked>>
89%
39581
89%
**16
94%
Somchem S355
<<locked>>
86%
39465
89%
**42
98%
Somchem S365 👍
<<locked>>
97%
39450
89%
**38
99%
Vihtavuori N135
<<locked>>
87%
39798
90%
**16
100%
Vihtavuori N150
<<locked>>
91%
39494
89%
**26
99%
Vihtavuori N160
<<locked>>
90%
39508
89%
**56
95%
Vihtavuori N550
<<locked>>
90%
39697
90%
**01
96%
Vihtavuori N555
<<locked>>
97%
34243
77%
**42
95%
Winchester 6.5 StaBALL
<<locked>>
91%
39566
89%
**39
98%
[Winchester 760]*
<<locked>>
88%
39291
89%
**85
92%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
36419
82%
**57
96%
[Accurate 4350]*
<<locked>>
81%
27398
62%
**42
91%
Alliant Reloder- TS 15.5
<<locked>>
81%
35708
81%
**80
97%
[Alliant Reloder-16]*
<<locked>>
81%
28993
66%
**52
90%
[Alliant Reloder-17]*
<<locked>>
81%
31154
70%
**44
94%
[Alliant Reloder-23]*
<<locked>>
88%
25889
59%
**96
90%
[Alliant Reloder-26]*
<<locked>>
94%
32300
73%
**00
90%
Hodgdon CFE223
<<locked>>
81%
36187
82%
**23
95%
[Hodgdon H380]*
<<locked>>
81%
36419
82%
**83
94%
[Hodgdon H414]*
<<locked>>
84%
34954
79%
**93
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
26513
60%
**77
92%
[Hodgdon LVR]*
<<locked>>
81%
30560
69%
**85
91%
Hodgdon VARGET
<<locked>>
81%
36100
82%
**51
95%
IMR 4064
<<locked>>
81%
35766
81%
**37
96%
[IMR 4166 Enduron]*
<<locked>>
81%
36071
82%
**05
91%
[IMR 4350]*
<<locked>>
90%
36970
84%
**77
90%
[IMR 4451 Enduron]*
<<locked>>
82%
35157
79%
**18
90%
[IMR 4831]*
<<locked>>
84%
26963
61%
**09
90%
[Lovex S065]*
<<locked>>
81%
32155
73%
**65
91%
[Lovex S070]*
<<locked>>
85%
33736
76%
**18
90%
[Norma URP]*
<<locked>>
81%
28340
64%
**42
90%
Ramshot Big Game
<<locked>>
81%
36898
83%
**23
96%
[Ramshot Hunter]*
<<locked>>
87%
33011
75%
**51
90%
[ReloadSwiss RS 50]*
<<locked>>
81%
36840
83%
**64
92%
ReloadSwiss RS 52
<<locked>>
81%
36056
82%
**29
98%
ReloadSwiss RS 60
<<locked>>
81%
30429
69%
**31
95%
[ReloadSwiss RS 62]*
<<locked>>
82%
28631
65%
**72
90%
[ReloadSwiss RS 70]*
<<locked>>
86%
32663
74%
**54
90%
Rottweil R 903
<<locked>>
81%
33634
76%
**44
96%
[Rottweil R 907]*
<<locked>>
85%
36550
83%
**44
90%
SNPE Vectan SP 11
<<locked>>
81%
34040
77%
**70
95%
SNPE Vectan Tubal 5000
<<locked>>
81%
36042
81%
**05
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
84%
33272
75%
**75
90%
[Shooters World Long Rifle]*
<<locked>>
81%
32155
73%
**65
91%
Somchem S355
<<locked>>
81%
34534
78%
**47
96%
[Somchem S365]*
<<locked>>
81%
25976
59%
**13
93%
Vihtavuori N135
<<locked>>
81%
33562
76%
**05
100%
Vihtavuori N150
<<locked>>
81%
29805
67%
**36
96%
[Vihtavuori N160]*
<<locked>>
81%
30458
69%
**65
92%
[Vihtavuori N550]*
<<locked>>
81%
30763
70%
**05
92%
[Vihtavuori N555]*
<<locked>>
87%
26397
60%
**42
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
29399
66%
**23
93%
[Winchester 760]*
<<locked>>
84%
34954
79%
**93
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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