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Load data for .450 N.E. 3 1/4'' + .458 | 250gr | Barnes X FN

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Recommended Powder(s): Alliant AR-Comp

.450 N.E. 3 1/4'' + .458 | 250gr | Barnes X FN

Load Specifications

Bullet:
.458 | 250gr | Barnes X FN
Manufacturer SKU:
45831
Bullet Weight:
250gr | 16.2g
Bullet Diameter:
0.458" | 11.63mm
Bullet Length:
0.992" | 25.2mm
Caliber:
.450 N.E. 3 1/4''
Case Length (l3):
3.250" | 82.5mm
Cartridge Length (C.O.L.):
3.891" | 98.8mm
Seated Depth:
0.351" | 8.9mm
Shank Seated Depth:
0.351" | 8.9mm
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_B800_C765

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 66 loads in caliber .450 N.E. 3 1/4'' with .458 | 250gr | Barnes X FN bullet and 33 powders such as Alliant AR-Comp. 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
Accurate 2015
<<locked>>
84%
39711
90%
**51
98%
Accurate 2495
<<locked>>
89%
39798
90%
**36
98%
[Accurate 2520]*
<<locked>>
88%
39784
90%
**13
94%
Accurate 4064
<<locked>>
94%
39320
89%
**20
96%
Alliant AR-Comp 👍
<<locked>>
88%
39523
89%
**40
100%
[Alliant Reloder- TS 15.5]*
<<locked>>
95%
39755
90%
**07
92%
[Hodgdon BL-C2]*
<<locked>>
88%
39450
89%
**13
92%
[Hodgdon Benchmark]*
<<locked>>
84%
39668
90%
**12
93%
Hodgdon H322
<<locked>>
85%
39436
89%
**90
96%
Hodgdon TrailBoss
<<locked>>
97%
32256
73%
**06
100%
IMR 3031
<<locked>>
93%
39465
89%
**56
97%
[IMR 8208 XBR]*
<<locked>>
86%
39668
90%
**51
92%
[Lovex D073.6]*
<<locked>>
90%
39784
90%
**13
94%
[Lovex S062]*
<<locked>>
93%
39769
90%
**71
92%
[Norma 201]*
<<locked>>
88%
39566
89%
**44
92%
Norma 202
<<locked>>
89%
39537
89%
**87
95%
ReloadSwiss RS 14
<<locked>>
96%
32285
73%
**46
100%
[ReloadSwiss RS 52]*
<<locked>>
94%
39436
89%
**30
92%
Rottweil R 901
<<locked>>
85%
39726
90%
**44
95%
[Rottweil R 902]*
<<locked>>
90%
39639
90%
**48
92%
SNPE Vectan Tubal 3000
<<locked>>
87%
39465
89%
**89
95%
SNPE Vectan Tubal 5000
<<locked>>
94%
39798
90%
**12
97%
[Shooters World Match Rifle]*
<<locked>>
90%
39784
90%
**13
94%
[Shooters World Precision]*
<<locked>>
93%
39769
90%
**71
92%
[Somchem S321]*
<<locked>>
84%
39798
90%
**81
93%
Somchem S335
<<locked>>
87%
39523
89%
**08
96%
Vihtavuori N130
<<locked>>
83%
39668
90%
**15
99%
Vihtavuori N133
<<locked>>
90%
39566
89%
**25
98%
Vihtavuori N135
<<locked>>
97%
37840
86%
**58
97%
Vihtavuori N140
<<locked>>
92%
39798
90%
**74
96%
[Vihtavuori N530]*
<<locked>>
85%
39523
89%
**67
92%
Vihtavuori N540
<<locked>>
91%
39218
89%
**81
95%
[Winchester 748]*
<<locked>>
85%
39682
90%
**13
93%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
Accurate 2015
<<locked>>
81%
36796
83%
**79
98%
Accurate 2495
<<locked>>
81%
31879
72%
**30
96%
[Accurate 2520]*
<<locked>>
81%
31517
71%
**07
91%
[Accurate 4064]*
<<locked>>
81%
27050
61%
**69
90%
Alliant AR-Comp
<<locked>>
81%
31923
72%
**43
98%
[Alliant Reloder- TS 15.5]*
<<locked>>
92%
36608
83%
**28
90%
[Hodgdon BL-C2]*
<<locked>>
85%
35708
81%
**12
90%
[Hodgdon Benchmark]*
<<locked>>
81%
36361
82%
**20
91%
Hodgdon H322
<<locked>>
81%
35143
79%
**82
95%
Hodgdon TrailBoss
<<locked>>
81%
25614
58%
**45
100%
[IMR 3031]*
<<locked>>
81%
28442
64%
**31
92%
[IMR 8208 XBR]*
<<locked>>
83%
35636
81%
**56
90%
[Lovex D073.6]*
<<locked>>
81%
30385
69%
**67
90%
[Lovex S062]*
<<locked>>
88%
34940
79%
**53
90%
[Norma 201]*
<<locked>>
84%
34940
79%
**30
90%
[Norma 202]*
<<locked>>
81%
31328
71%
**67
92%
ReloadSwiss RS 14
<<locked>>
81%
25730
58%
**88
100%
[ReloadSwiss RS 52]*
<<locked>>
90%
35128
79%
**12
90%
[Rottweil R 901]*
<<locked>>
81%
36216
82%
**53
94%
[Rottweil R 902]*
<<locked>>
86%
34853
79%
**23
90%
[SNPE Vectan Tubal 3000]*
<<locked>>
81%
33518
76%
**44
93%
[SNPE Vectan Tubal 5000]*
<<locked>>
81%
27586
62%
**84
91%
[Shooters World Match Rifle]*
<<locked>>
81%
30385
69%
**67
90%
[Shooters World Precision]*
<<locked>>
88%
34940
79%
**53
90%
[Somchem S321]*
<<locked>>
81%
35708
81%
**79
91%
[Somchem S335]*
<<locked>>
81%
33141
75%
**48
94%
Vihtavuori N130
<<locked>>
81%
37014
84%
**49
98%
Vihtavuori N133
<<locked>>
81%
31111
70%
**08
95%
[Vihtavuori N135]*
<<locked>>
81%
24831
56%
**61
91%
[Vihtavuori N140]*
<<locked>>
81%
29370
66%
**89
91%
[Vihtavuori N530]*
<<locked>>
81%
35346
80%
**62
90%
[Vihtavuori N540]*
<<locked>>
81%
29182
66%
**02
90%
[Winchester 748]*
<<locked>>
81%
34461
78%
**79
91%

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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