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Load data for .450 N.E. 3 1/4'' + .458 | 400gr | Speer FN

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

.450 N.E. 3 1/4'' + .458 | 400gr | Speer FN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.458 | 400gr | Speer FN
Manufacturer SKU:
2479
Bullet Weight:
400gr | 25.9g
Bullet Diameter:
0.458" | 11.63mm
Bullet Length:
0.972" | 24.7mm
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:
0.331" | 8.4mm
Shank Seated Depth:
0.331" | 8.4mm
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_B6299_C765
Last updated:
2025-01-01

Load data for 96 loads in caliber .450 N.E. 3 1/4'' with .458 | 400gr | Speer FN bullet and 48 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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    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 2208
<<locked>>
85%
39508
89%
**52
97%
[Accurate 2700]*
<<locked>>
86%
39711
90%
**93
91%
Accurate 4064
<<locked>>
85%
39711
90%
**79
100%
Accurate 4350
<<locked>>
94%
39682
90%
**41
96%
Alliant Reloder- TS 15.5
<<locked>>
85%
39740
90%
**85
98%
Alliant Reloder-16
<<locked>>
94%
39740
90%
**38
96%
Alliant Reloder-17
<<locked>>
90%
39769
90%
**74
98%
[Alliant Reloder-23]*
<<locked>>
97%
30850
70%
**64
94%
Hodgdon CFE223
<<locked>>
84%
39726
90%
**25
96%
Hodgdon H380
<<locked>>
85%
39581
89%
**72
95%
[Hodgdon H414]*
<<locked>>
89%
39581
89%
**18
92%
[Hodgdon H4350]*
<<locked>>
95%
39523
89%
**56
91%
Hodgdon Hybrid 100V
<<locked>>
97%
39682
90%
**08
98%
Hodgdon LVR
<<locked>>
91%
39566
89%
**11
95%
Hodgdon VARGET
<<locked>>
85%
39508
89%
**52
97%
IMR 4064
<<locked>>
85%
39552
89%
**43
97%
[IMR 4166 Enduron]*
<<locked>>
86%
39769
90%
**10
92%
[IMR 4350]*
<<locked>>
93%
39653
90%
**62
91%
[IMR 4451 Enduron]*
<<locked>>
87%
39798
90%
**39
92%
IMR 4831
<<locked>>
97%
37594
85%
**82
95%
Lovex S062
<<locked>>
83%
39798
90%
**59
99%
[Lovex S065]*
<<locked>>
90%
39682
90%
**52
94%
[Lovex S070]*
<<locked>>
92%
39523
89%
**65
93%
Norma 203B
<<locked>>
84%
39798
90%
**92
97%
Norma URP
<<locked>>
93%
39407
89%
**21
96%
Ramshot Big Game
<<locked>>
84%
39624
90%
**08
97%
[Ramshot Hunter]*
<<locked>>
94%
39465
89%
**25
93%
[ReloadSwiss RS 50]*
<<locked>>
84%
39450
89%
**49
93%
ReloadSwiss RS 52 👍
<<locked>>
85%
39740
90%
**31
99%
ReloadSwiss RS 60 👍
<<locked>>
91%
39711
90%
**84
99%
ReloadSwiss RS 62
<<locked>>
94%
39624
90%
**54
95%
[ReloadSwiss RS 70]*
<<locked>>
93%
39494
89%
**41
94%
Rottweil R 903
<<locked>>
88%
39566
89%
**88
98%
[Rottweil R 907]*
<<locked>>
88%
39566
89%
**36
92%
SNPE Vectan SP 11
<<locked>>
87%
39813
90%
**18
97%
SNPE Vectan Tubal 5000
<<locked>>
85%
39653
90%
**90
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
91%
39697
90%
**16
93%
[Shooters World Long Rifle]*
<<locked>>
90%
39682
90%
**52
94%
Shooters World Precision
<<locked>>
83%
39798
90%
**59
99%
Somchem S355
<<locked>>
87%
39682
90%
**79
98%
Somchem S365 👍
<<locked>>
97%
39189
89%
**64
99%
Vihtavuori N135
<<locked>>
88%
39494
89%
**43
100%
Vihtavuori N150
<<locked>>
92%
39581
89%
**56
99%
Vihtavuori N160
<<locked>>
91%
39581
89%
**92
96%
Vihtavuori N550
<<locked>>
91%
39653
90%
**28
96%
[Vihtavuori N555]*
<<locked>>
97%
32793
74%
**36
94%
Winchester 6.5 StaBALL
<<locked>>
92%
39769
90%
**72
98%
[Winchester 760]*
<<locked>>
89%
39581
89%
**18
92%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
35302
80%
**60
95%
[Accurate 2700]*
<<locked>>
84%
37072
84%
**44
90%
Accurate 4064
<<locked>>
81%
35505
80%
**00
100%
[Accurate 4350]*
<<locked>>
83%
26861
61%
**49
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
34490
78%
**77
97%
[Alliant Reloder-16]*
<<locked>>
83%
28587
65%
**62
90%
[Alliant Reloder-17]*
<<locked>>
81%
29762
67%
**31
94%
[Alliant Reloder-23]*
<<locked>>
91%
25991
59%
**13
90%
[Hodgdon CFE223]*
<<locked>>
81%
35418
80%
**29
94%
[Hodgdon H380]*
<<locked>>
81%
34882
79%
**77
94%
[Hodgdon H414]*
<<locked>>
85%
34447
78%
**10
90%
[Hodgdon H4350]*
<<locked>>
92%
36724
83%
**00
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
24598
56%
**31
90%
[Hodgdon LVR]*
<<locked>>
81%
29240
66%
**75
90%
Hodgdon VARGET
<<locked>>
81%
35070
79%
**54
95%
IMR 4064
<<locked>>
81%
34548
78%
**38
95%
[IMR 4166 Enduron]*
<<locked>>
81%
34780
79%
**05
90%
[IMR 4350]*
<<locked>>
90%
36854
83%
**97
90%
[IMR 4451 Enduron]*
<<locked>>
83%
34737
79%
**34
90%
[IMR 4831]*
<<locked>>
86%
27108
61%
**29
90%
Lovex S062
<<locked>>
81%
36622
83%
**97
98%
[Lovex S065]*
<<locked>>
81%
30385
69%
**49
90%
[Lovex S070]*
<<locked>>
87%
33707
76%
**41
90%
Norma 203B
<<locked>>
81%
36492
82%
**23
96%
[Norma URP]*
<<locked>>
82%
27760
63%
**49
90%
Ramshot Big Game
<<locked>>
81%
35955
81%
**36
96%
[Ramshot Hunter]*
<<locked>>
88%
32938
74%
**70
90%
[ReloadSwiss RS 50]*
<<locked>>
81%
35621
81%
**60
92%
ReloadSwiss RS 52
<<locked>>
81%
34983
79%
**36
98%
[ReloadSwiss RS 60]*
<<locked>>
81%
29037
66%
**08
94%
[ReloadSwiss RS 62]*
<<locked>>
84%
28776
65%
**98
90%
[ReloadSwiss RS 70]*
<<locked>>
87%
32285
73%
**70
90%
Rottweil R 903
<<locked>>
81%
31807
72%
**24
96%
[Rottweil R 907]*
<<locked>>
86%
36187
82%
**64
90%
SNPE Vectan SP 11
<<locked>>
81%
32924
74%
**67
95%
SNPE Vectan Tubal 5000
<<locked>>
81%
34780
79%
**01
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
85%
33344
75%
**95
90%
[Shooters World Long Rifle]*
<<locked>>
81%
30385
69%
**49
90%
Shooters World Precision
<<locked>>
81%
36622
83%
**97
98%
Somchem S355
<<locked>>
81%
32909
74%
**38
96%
[Somchem S365]*
<<locked>>
81%
23743
54%
**54
91%
Vihtavuori N135
<<locked>>
81%
31981
72%
**92
100%
Vihtavuori N150
<<locked>>
81%
28021
63%
**06
95%
[Vihtavuori N160]*
<<locked>>
81%
28979
66%
**49
91%
[Vihtavuori N550]*
<<locked>>
81%
28950
65%
**82
91%
[Vihtavuori N555]*
<<locked>>
90%
26281
59%
**56
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
27934
63%
**03
93%
[Winchester 760]*
<<locked>>
85%
34447
78%
**10
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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