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Load data for .450 N.E. 3 1/4'' + .458 | 300gr | Remington HP

Recommended Powder(s):

.450 N.E. 3 1/4'' + .458 | 300gr | Remington HP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.458 | 300gr | Remington HP
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.458" | 11.63mm
Bullet Length:
0.825" | 21.0mm
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:
0.184" | 4.7mm
Shank Seated Depth:
0.184" | 4.7mm
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_B5208_C765
Last updated:
2025-01-01

Load data for 94 loads in caliber .450 N.E. 3 1/4'' with .458 | 300gr | Remington HP bullet and 47 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
85%
90%
94%
ADI AR 2208
90%
89%
93%
Accurate 2200
83%
89%
91%
Accurate 2495
86%
89%
100%
Accurate 2520
85%
90%
97%
Accurate 4064
92%
90%
98%
Alliant AR-Comp
85%
89%
100%
Alliant Reloder- TS 15.5
92%
90%
95%
Alliant Reloder-15
89%
90%
93%
Alliant Reloder-17
96%
90%
94%
Baschieri & Pellagri 107
86%
90%
92%
Hodgdon BL-C2
85%
89%
95%
Hodgdon CFE223
90%
89%
92%
Hodgdon VARGET
91%
89%
93%
Hodgdon TrailBoss
96%
73%
100%
IMR 3031
89%
90%
99%
IMR 4064
92%
90%
93%
IMR 4895
89%
90%
94%
IMR 8208 XBR
84%
90%
95%
Lovex D073.6
87%
90%
97%
Lovex S060
84%
90%
94%
Lovex S062
90%
89%
96%
Norma 201
86%
90%
96%
Norma 202
86%
90%
98%
Norma 203B
90%
89%
94%
Ramshot Big Game
90%
90%
93%
Ramshot Wild Boar
84%
90%
94%
ReloadSwiss RS 14
97%
74%
100%
ReloadSwiss RS 52
91%
89%
96%
ReloadSwiss RS 60
96%
90%
94%
Rottweil R 902
88%
90%
96%
Rottweil R 903
94%
90%
95%
SNPE Vectan SP 11
93%
90%
93%
SNPE Vectan SP 9
87%
90%
94%
SNPE Vectan Tubal 3000
84%
89%
98%
SNPE Vectan Tubal 5000
91%
90%
99%
Shooters World Match Rifle
87%
90%
97%
Shooters World Precision
90%
89%
96%
Somchem S335
85%
90%
99%
Somchem S341
86%
90%
94%
Somchem S355
93%
89%
94%
Vihtavuori N133
87%
90%
100%
Vihtavuori N135
95%
90%
100%
Vihtavuori N140
88%
90%
98%
Vihtavuori N150
97%
84%
95%
Vihtavuori N540
89%
90%
98%
Winchester 6.5 StaBALL
97%
89%
94%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2206H]*
<<locked>>
81%
34476
78%
**92
92%
[ADI AR 2208]*
<<locked>>
85%
33620
76%
**49
90%
[Accurate 2200]*
<<locked>>
81%
36825
83%
**98
90%
Accurate 2495
<<locked>>
81%
33373
75%
**08
99%
Accurate 2520
<<locked>>
81%
34447
78%
**21
96%
[Accurate 4064]*
<<locked>>
81%
28065
63%
**64
94%
Alliant AR-Comp
<<locked>>
81%
34766
79%
**51
100%
[Alliant Reloder- TS 15.5]*
<<locked>>
82%
28993
66%
**74
90%
[Alliant Reloder-15]*
<<locked>>
84%
33228
75%
**79
90%
[Alliant Reloder-17]*
<<locked>>
91%
33808
76%
**41
90%
[Baschieri & Pellagri 107]*
<<locked>>
83%
35549
80%
**28
90%
[Hodgdon BL-C2]*
<<locked>>
81%
34650
78%
**38
94%
[Hodgdon CFE223]*
<<locked>>
87%
36477
82%
**74
90%
[Hodgdon VARGET]*
<<locked>>
85%
33620
76%
**49
90%
Hodgdon TrailBoss
<<locked>>
83%
26469
60%
**47
100%
IMR 3031
<<locked>>
81%
30226
68%
**43
97%
[IMR 4064]*
<<locked>>
85%
33069
75%
**26
90%
[IMR 4895]*
<<locked>>
81%
31299
71%
**39
90%
[IMR 8208 XBR]*
<<locked>>
81%
36593
83%
**25
94%
Lovex D073.6
<<locked>>
81%
32242
73%
**69
95%
[Lovex S060]*
<<locked>>
81%
35723
81%
**56
92%
[Lovex S062]*
<<locked>>
81%
30211
68%
**74
92%
[Norma 201]*
<<locked>>
81%
33808
76%
**56
93%
Norma 202
<<locked>>
81%
33576
76%
**79
96%
[Norma 203B]*
<<locked>>
83%
31459
71%
**39
90%
[Ramshot Big Game]*
<<locked>>
84%
32996
75%
**85
90%
[Ramshot Wild Boar]*
<<locked>>
81%
35418
80%
**25
92%
ReloadSwiss RS 14
<<locked>>
81%
25585
58%
**63
100%
[ReloadSwiss RS 52]*
<<locked>>
81%
28543
65%
**84
91%
[ReloadSwiss RS 60]*
<<locked>>
90%
32474
73%
**98
90%
[Rottweil R 902]*
<<locked>>
81%
32227
73%
**07
93%
[Rottweil R 903]*
<<locked>>
85%
29327
66%
**90
90%
[SNPE Vectan SP 11]*
<<locked>>
87%
32866
74%
**82
90%
[SNPE Vectan SP 9]*
<<locked>>
81%
33025
75%
**49
91%
SNPE Vectan Tubal 3000
<<locked>>
81%
35795
81%
**52
97%
SNPE Vectan Tubal 5000
<<locked>>
81%
28921
65%
**95
96%
Shooters World Match Rifle
<<locked>>
81%
32242
73%
**69
95%
[Shooters World Precision]*
<<locked>>
81%
30211
68%
**74
92%
Somchem S335
<<locked>>
81%
34983
79%
**46
98%
[Somchem S341]*
<<locked>>
81%
33910
77%
**69
91%
[Somchem S355]*
<<locked>>
85%
30110
68%
**93
90%
Vihtavuori N133
<<locked>>
81%
33170
75%
**07
99%
Vihtavuori N135
<<locked>>
81%
25860
58%
**69
95%
Vihtavuori N140
<<locked>>
81%
31357
71%
**03
96%
[Vihtavuori N150]*
<<locked>>
86%
26542
60%
**72
90%
Vihtavuori N540
<<locked>>
81%
31038
70%
**10
95%
[Winchester 6.5 StaBALL]*
<<locked>>
91%
32764
74%
**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.

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

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