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Load data for .458 Win.Mag. + .458 | 420gr | Impala RNFP KO

Recommended Powder(s): ADI AR 2219, Baschieri & Pellagri 106, Hodgdon H322, Hodgdon H335, SNPE Vectan SP 10

.458 Win.Mag. + .458 | 420gr | Impala RNFP KO

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.458 | 420gr | Impala RNFP KO
Bullet Weight:
420gr | 27.2g
Bullet Diameter:
0.458" | 11.63mm
Bullet Length:
1.359" | 34.5mm
Caliber:
.458 Win.Mag. load data
Case Length (l3):
2.500" | 63.5mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.569" | 14.5mm
Shank Seated Depth:
0.569" | 14.5mm
Case Capacity:
95.0 Grains of Water | 6.17 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B3030_C796
Last updated:
2025-02-02

Load data for 132 loads in caliber .458 Win.Mag. with .458 | 420gr | Impala RNFP KO bullet and 66 powders such as ADI AR 2219, Baschieri & Pellagri 106, Hodgdon H322, Hodgdon H335, SNPE Vectan SP 10. 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]*
<<locked>>
97%
43903
70%
**19
94%
ADI AR 2207
<<locked>>
92%
55970
90%
**82
100%
ADI AR 2219 👍
<<locked>>
95%
56043
90%
**70
100%
Accurate 1680
<<locked>>
84%
55753
89%
**85
100%
Accurate 2015
<<locked>>
97%
49269
79%
**52
100%
[Accurate 2200]*
<<locked>>
97%
47848
77%
**19
93%
Accurate 2230
<<locked>>
97%
53693
86%
**08
97%
Accurate 2460
<<locked>>
97%
52634
84%
**15
98%
Accurate 2495
<<locked>>
97%
41568
67%
**33
100%
Accurate 2520
<<locked>>
97%
42786
69%
**39
97%
Accurate 4064
<<locked>>
97%
34519
55%
**21
97%
Alliant AR-Comp
<<locked>>
97%
42946
69%
**39
100%
[Alliant Reloder- TS 15.5]*
<<locked>>
97%
35099
56%
**98
92%
Alliant Reloder-10x
<<locked>>
97%
53592
86%
**11
100%
[Alliant Reloder-15]*
<<locked>>
97%
38522
62%
**54
92%
Alliant Reloder-7
<<locked>>
91%
55724
89%
**72
100%
Baschieri & Pellagri 106 👍
<<locked>>
95%
55274
89%
**72
100%
[Baschieri & Pellagri 107]*
<<locked>>
97%
43134
69%
**06
92%
Hodgdon BL-C2
<<locked>>
97%
44585
71%
**65
96%
Hodgdon Benchmark
<<locked>>
97%
49603
80%
**36
97%
Hodgdon CFE BLK
<<locked>>
91%
56101
90%
**72
98%
Hodgdon H322 👍
<<locked>>
97%
48936
78%
**85
100%
Hodgdon H335 👍
<<locked>>
96%
55941
90%
**77
100%
Hodgdon H4198
<<locked>>
93%
55767
89%
**65
100%
IMR 3031
<<locked>>
97%
37594
60%
**73
99%
IMR 4198
<<locked>>
97%
55347
89%
**85
100%
IMR 4227
<<locked>>
86%
55463
89%
**19
100%
[IMR 4895]*
<<locked>>
97%
39001
63%
**77
93%
IMR 8208 XBR
<<locked>>
97%
46441
74%
**36
96%
Lovex D073.4
<<locked>>
97%
55666
89%
**38
99%
Lovex D073.5
<<locked>>
97%
51938
83%
**08
98%
Lovex D073.6
<<locked>>
97%
40089
64%
**96
97%
Lovex S053
<<locked>>
87%
55782
89%
**93
100%
Lovex S060
<<locked>>
97%
46035
74%
**80
95%
[Lovex S062]*
<<locked>>
97%
37898
61%
**24
94%
Norma 200
<<locked>>
94%
56028
90%
**11
100%
Norma 201
<<locked>>
97%
43192
69%
**87
96%
Norma 202
<<locked>>
97%
42380
68%
**03
98%
[Norma 203B]*
<<locked>>
97%
37753
61%
**44
92%
[Ramshot Wild Boar]*
<<locked>>
97%
45208
72%
**46
94%
Ramshot X-Terminator
<<locked>>
97%
51648
83%
**78
96%
ReloadSwiss RS 36
<<locked>>
86%
55376
89%
**52
100%
ReloadSwiss RS 40
<<locked>>
97%
52663
84%
**15
99%
[ReloadSwiss RS 52]*
<<locked>>
97%
36347
58%
**47
94%
Rottweil R 901
<<locked>>
97%
47108
76%
**33
99%
Rottweil R 902
<<locked>>
97%
40364
65%
**37
95%
SNPE Vectan BA6 1/2
<<locked>>
91%
56115
90%
**69
100%
SNPE Vectan SP 10 👍
<<locked>>
95%
55332
89%
**60
100%
[SNPE Vectan SP 9]*
<<locked>>
97%
41945
67%
**87
93%
SNPE Vectan Tubal 3000
<<locked>>
97%
46050
74%
**67
98%
SNPE Vectan Tubal 5000
<<locked>>
97%
36811
59%
**49
98%
Shooters World Match Rifle
<<locked>>
97%
40089
64%
**96
97%
[Shooters World Precision]*
<<locked>>
97%
37898
61%
**24
94%
Shooters World Tactical Rifle
<<locked>>
96%
55477
89%
**05
97%
Somchem S321
<<locked>>
97%
49966
80%
**08
97%
Somchem S335
<<locked>>
97%
44585
71%
**73
99%
[Somchem S341]*
<<locked>>
97%
43772
70%
**96
93%
Vihtavuori N120
<<locked>>
95%
55999
90%
**42
100%
Vihtavuori N130
<<locked>>
97%
50328
81%
**26
100%
Vihtavuori N133
<<locked>>
97%
42061
67%
**31
100%
Vihtavuori N135
<<locked>>
97%
31734
51%
**26
98%
Vihtavuori N140
<<locked>>
97%
39421
63%
**37
98%
Vihtavuori N530
<<locked>>
97%
49023
79%
**78
97%
Vihtavuori N540
<<locked>>
97%
39320
63%
**57
97%
Winchester 748
<<locked>>
97%
48269
77%
**11
98%
Winchester StaBALL Match
<<locked>>
97%
52562
84%
**51
97%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2206H]*
<<locked>>
88%
33315
53%
**36
90%
ADI AR 2207
<<locked>>
81%
40669
65%
**01
100%
ADI AR 2219
<<locked>>
81%
35534
57%
**78
97%
Accurate 1680
<<locked>>
81%
50691
81%
**23
100%
Accurate 2015
<<locked>>
81%
30980
50%
**70
98%
[Accurate 2200]*
<<locked>>
91%
39566
63%
**98
90%
[Accurate 2230]*
<<locked>>
81%
31807
51%
**83
91%
[Accurate 2460]*
<<locked>>
81%
31546
51%
**93
93%
Accurate 2495
<<locked>>
81%
25309
41%
**31
96%
[Accurate 2520]*
<<locked>>
81%
26165
42%
**24
91%
[Accurate 4064]*
<<locked>>
81%
21770
35%
**29
90%
Alliant AR-Comp
<<locked>>
81%
27412
44%
**57
99%
[Alliant Reloder- TS 15.5]*
<<locked>>
92%
30472
49%
**00
90%
Alliant Reloder-10x
<<locked>>
81%
34403
55%
**39
99%
[Alliant Reloder-15]*
<<locked>>
94%
35563
57%
**98
90%
Alliant Reloder-7
<<locked>>
81%
42119
68%
**05
100%
Baschieri & Pellagri 106
<<locked>>
81%
36230
58%
**16
98%
[Baschieri & Pellagri 107]*
<<locked>>
94%
39392
63%
**44
90%
[Hodgdon BL-C2]*
<<locked>>
85%
30037
48%
**03
90%
[Hodgdon Benchmark]*
<<locked>>
81%
31894
51%
**44
92%
Hodgdon CFE BLK
<<locked>>
81%
40770
65%
**69
95%
Hodgdon H322
<<locked>>
81%
30516
49%
**80
96%
Hodgdon H335
<<locked>>
81%
34766
56%
**75
96%
Hodgdon H4198
<<locked>>
81%
39639
64%
**49
98%
[IMR 3031]*
<<locked>>
81%
24627
39%
**78
93%
IMR 4198
<<locked>>
81%
35969
58%
**23
100%
IMR 4227
<<locked>>
81%
47572
76%
**31
100%
[IMR 4895]*
<<locked>>
91%
33112
53%
**65
90%
[IMR 8208 XBR]*
<<locked>>
81%
29559
47%
**41
90%
[Lovex D073.4]*
<<locked>>
81%
33112
53%
**09
93%
[Lovex D073.5]*
<<locked>>
81%
31488
50%
**90
93%
[Lovex D073.6]*
<<locked>>
81%
24758
40%
**88
90%
Lovex S053
<<locked>>
81%
46949
75%
**95
100%
[Lovex S060]*
<<locked>>
85%
33330
53%
**67
90%
[Lovex S062]*
<<locked>>
87%
28805
46%
**47
90%
Norma 200
<<locked>>
81%
38783
62%
**95
100%
[Norma 201]*
<<locked>>
83%
28703
46%
**24
90%
[Norma 202]*
<<locked>>
81%
26643
43%
**04
93%
[Norma 203B]*
<<locked>>
93%
33388
54%
**62
90%
[Ramshot Wild Boar]*
<<locked>>
88%
34301
55%
**55
90%
[Ramshot X-Terminator]*
<<locked>>
84%
34360
55%
**13
90%
ReloadSwiss RS 36
<<locked>>
81%
47558
76%
**64
100%
[ReloadSwiss RS 40]*
<<locked>>
81%
32547
52%
**06
94%
[ReloadSwiss RS 52]*
<<locked>>
90%
29950
48%
**09
90%
[Rottweil R 901]*
<<locked>>
81%
30734
49%
**50
94%
[Rottweil R 902]*
<<locked>>
85%
29008
47%
**24
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
43598
70%
**34
100%
SNPE Vectan SP 10
<<locked>>
81%
35810
57%
**85
96%
[SNPE Vectan SP 9]*
<<locked>>
90%
34055
55%
**46
90%
[SNPE Vectan Tubal 3000]*
<<locked>>
81%
29022
47%
**85
94%
[SNPE Vectan Tubal 5000]*
<<locked>>
81%
23859
38%
**77
92%
[Shooters World Match Rifle]*
<<locked>>
81%
24758
40%
**88
90%
[Shooters World Precision]*
<<locked>>
87%
28805
46%
**47
90%
[Shooters World Tactical Rifle]*
<<locked>>
81%
34534
55%
**09
92%
[Somchem S321]*
<<locked>>
81%
30095
48%
**80
91%
Somchem S335
<<locked>>
81%
28456
46%
**91
95%
[Somchem S341]*
<<locked>>
90%
35172
56%
**55
90%
Vihtavuori N120
<<locked>>
81%
38014
61%
**29
100%
Vihtavuori N130
<<locked>>
81%
32430
52%
**60
99%
Vihtavuori N133
<<locked>>
81%
27108
43%
**62
96%
[Vihtavuori N135]*
<<locked>>
81%
21060
34%
**60
92%
[Vihtavuori N140]*
<<locked>>
81%
25208
40%
**49
92%
[Vihtavuori N530]*
<<locked>>
81%
30211
48%
**64
91%
[Vihtavuori N540]*
<<locked>>
81%
24918
40%
**59
91%
[Winchester 748]*
<<locked>>
81%
29791
48%
**83
91%
[Winchester StaBALL Match]*
<<locked>>
82%
32793
53%
**32
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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