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Load data for 458 x 2'' American + .456 | 320gr | Peregrine VRG-2

Recommended Powder(s): Accurate 5744, IMR 4227, Lovex D060, ReloadSwiss RS 36, Shooters World Buffalo Rifle

458 x 2'' American + .456 | 320gr | Peregrine VRG-2

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.456 | 320gr | Peregrine VRG-2
Bullet Weight:
320gr | 20.7g
Bullet Diameter:
0.456" | 11.58mm
Bullet Length:
<<locked>>
Caliber:
458 x 2'' American load data
Case Length (l3):
2.000" | 50.8mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
73.0 Grains of Water | 4.74 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
59988 psi | 4136 bar
LID:
LID_B8264_C792
Last updated:
2026-05-12
Recommended Twist Rate:
1:33 - 1:27

Load data for 46 loads in caliber 458 x 2'' American with .456 | 320gr | Peregrine VRG-2 bullet and 23 powders such as Accurate 5744, IMR 4227, Lovex D060, ReloadSwiss RS 36, Shooters World Buffalo Rifle. 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>>
93%
53345
89%
**08
100%
ADI AR 2207
<<locked>>
97%
35708
60%
**52
99%
Accurate 1680
<<locked>>
97%
51300
86%
**97
96%
Accurate 5744 👍
<<locked>>
87%
53243
89%
**10
99%
Accurate No. 11 FS
<<locked>>
90%
53925
90%
**90
100%
[Alliant Reloder-10x]*
<<locked>>
96%
28340
47%
**14
92%
Alliant Reloder-7
<<locked>>
96%
37826
63%
**33
96%
[Hodgdon H4198]*
<<locked>>
97%
41611
69%
**23
92%
Hodgdon LilGun
<<locked>>
86%
53983
90%
**16
100%
IMR 4198
<<locked>>
96%
33460
56%
**37
95%
IMR 4227 👍
<<locked>>
97%
47558
79%
**21
99%
Lovex D060 👍
<<locked>>
93%
53243
89%
**10
99%
Lovex D063
<<locked>>
89%
53374
89%
**97
99%
Lovex S040
<<locked>>
86%
53185
89%
**88
100%
Lovex S053
<<locked>>
96%
44121
74%
**85
100%
Norma 200
<<locked>>
97%
31995
53%
**96
95%
ReloadSwiss RS 36 👍
<<locked>>
97%
45281
75%
**41
99%
SNPE Vectan BA6 1/2
<<locked>>
96%
40973
68%
**31
100%
Shooters World Blackout
<<locked>>
89%
53374
89%
**97
99%
Shooters World Buffalo Rifle 👍
<<locked>>
93%
53243
89%
**10
99%
Vihtavuori N110
<<locked>>
96%
52866
88%
**21
100%
Vihtavuori N120
<<locked>>
97%
36347
61%
**29
99%
[Vihtavuori N130]*
<<locked>>
97%
28761
48%
**62
91%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2205
<<locked>>
81%
36956
62%
**95
100%
[ADI AR 2207]*
<<locked>>
81%
21930
37%
**37
93%
[Accurate 1680]*
<<locked>>
83%
32010
53%
**95
90%
Accurate 5744
<<locked>>
81%
44092
74%
**82
98%
Accurate No. 11 FS
<<locked>>
81%
39189
65%
**03
99%
[Alliant Reloder-10x]*
<<locked>>
93%
25817
43%
**52
90%
[Alliant Reloder-7]*
<<locked>>
82%
24149
40%
**54
90%
[Hodgdon H4198]*
<<locked>>
93%
37101
62%
**51
90%
Hodgdon LilGun
<<locked>>
81%
44904
75%
**15
100%
[IMR 4198]*
<<locked>>
86%
25150
42%
**47
90%
IMR 4227
<<locked>>
81%
29327
49%
**23
95%
Lovex D060
<<locked>>
81%
37028
62%
**67
96%
Lovex D063
<<locked>>
81%
40582
68%
**26
97%
Lovex S040
<<locked>>
81%
46137
77%
**10
100%
Lovex S053
<<locked>>
81%
28050
47%
**09
98%
[Norma 200]*
<<locked>>
86%
22814
38%
**80
90%
ReloadSwiss RS 36
<<locked>>
81%
27702
46%
**32
95%
SNPE Vectan BA6 1/2
<<locked>>
81%
26948
45%
**08
100%
Shooters World Blackout
<<locked>>
81%
40582
68%
**26
97%
Shooters World Buffalo Rifle
<<locked>>
81%
37028
62%
**67
96%
Vihtavuori N110
<<locked>>
81%
33257
55%
**72
100%
Vihtavuori N120
<<locked>>
81%
22394
37%
**21
95%
[Vihtavuori N130]*
<<locked>>
94%
26658
44%
**09
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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