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Load data for .450 Marlin + .458 | 250gr | Barnes X FN

Recommended Powder(s): Vihtavuori N110

.450 Marlin + .458 | 250gr | Barnes X FN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

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 Marlin load data
Case Length (l3):
2.080" | 52.8mm
Cartridge Length (C.O.L.):
2.512" | 63.8mm
Seated Depth:
0.560" | 14.2mm
Shank Seated Depth:
0.560" | 14.2mm
Case Capacity:
74.0 Grains of Water | 4.80 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
47863 psi | 3300 bar
LID:
LID_B800_C763
Last updated:
2025-01-01

Load data for 30 loads in caliber .450 Marlin with .458 | 250gr | Barnes X FN bullet and 15 powders such as Vihtavuori N110. 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 2205
<<locked>>
90%
42366
89%
**47
98%
[ADI AR 2207]*
<<locked>>
96%
30632
64%
**82
91%
[Accurate 5744]*
<<locked>>
89%
43004
90%
**33
92%
Accurate No. 11 FS
<<locked>>
89%
42801
89%
**29
96%
Hodgdon LilGun
<<locked>>
85%
42844
90%
**21
100%
[IMR 4227]*
<<locked>>
96%
40234
84%
**74
93%
[Lovex D060]*
<<locked>>
91%
43004
90%
**33
92%
[Lovex D063]*
<<locked>>
87%
42293
88%
**10
92%
Lovex S053
<<locked>>
96%
37869
79%
**70
97%
[ReloadSwiss RS 36]*
<<locked>>
97%
38479
80%
**93
93%
SNPE Vectan BA6 1/2
<<locked>>
97%
35969
75%
**62
100%
[Shooters World Blackout]*
<<locked>>
87%
42293
88%
**10
92%
[Shooters World Buffalo Rifle]*
<<locked>>
91%
43004
90%
**33
92%
Vihtavuori N110 👍
<<locked>>
94%
42409
89%
**23
100%
[Vihtavuori N120]*
<<locked>>
97%
29544
62%
**26
92%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2205
<<locked>>
81%
33127
69%
**77
96%
[ADI AR 2207]*
<<locked>>
94%
28485
60%
**29
90%
[Accurate 5744]*
<<locked>>
83%
37449
78%
**21
90%
[Accurate No. 11 FS]*
<<locked>>
81%
34026
71%
**65
94%
Hodgdon LilGun
<<locked>>
81%
37463
78%
**36
100%
[IMR 4227]*
<<locked>>
88%
31879
67%
**06
90%
[Lovex D060]*
<<locked>>
85%
37449
78%
**21
90%
[Lovex D063]*
<<locked>>
83%
37391
78%
**18
90%
[Lovex S053]*
<<locked>>
81%
25527
53%
**85
92%
[ReloadSwiss RS 36]*
<<locked>>
91%
32474
68%
**72
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
24685
52%
**13
99%
[Shooters World Blackout]*
<<locked>>
83%
37391
78%
**18
90%
[Shooters World Buffalo Rifle]*
<<locked>>
85%
37449
78%
**21
90%
Vihtavuori N110
<<locked>>
81%
30037
63%
**93
99%
[Vihtavuori N120]*
<<locked>>
92%
26034
54%
**31
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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