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Load data for .458 Lott + .458 | 500gr | A-Square MONO RN

Recommended Powder(s): Alliant Reloder-17, Hodgdon CFE223, IMR 4895, Ramshot Big Game, SNPE Vectan SP 11

.458 Lott + .458 | 500gr | A-Square MONO RN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.458 | 500gr | A-Square MONO RN
Bullet Weight:
500gr | 32.4g
Bullet Diameter:
0.458" | 11.63mm
Bullet Length:
1.000" | 25.4mm
Caliber:
.458 Lott load data
Case Length (l3):
2.800" | 71.1mm
Cartridge Length (C.O.L.):
3.546" | 90.1mm
Seated Depth:
0.254" | 6.5mm
Shank Seated Depth:
0.254" | 6.5mm
Case Capacity:
110.0 Grains of Water | 7.14 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B408_C790
Last updated:
2025-01-01

Load data for 196 loads in caliber .458 Lott with .458 | 500gr | A-Square MONO RN bullet and 98 powders such as Alliant Reloder-17, Hodgdon CFE223, IMR 4895, Ramshot Big Game, SNPE Vectan SP 11. 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>>
91%
55709
89%
**64
100%
ADI AR 2208
<<locked>>
96%
55724
89%
**51
100%
Accurate 2015
<<locked>>
87%
55912
90%
**69
100%
Accurate 2200
<<locked>>
89%
55753
89%
**31
99%
Accurate 2230
<<locked>>
85%
55550
89%
**18
100%
Accurate 2460
<<locked>>
85%
55709
89%
**21
100%
Accurate 2495
<<locked>>
90%
55869
90%
**31
100%
Accurate 2520
<<locked>>
89%
55651
89%
**54
100%
Accurate 2700
<<locked>>
97%
55724
89%
**05
97%
Accurate 4064
<<locked>>
96%
55680
89%
**57
100%
Accurate 4350
<<locked>>
97%
42960
69%
**65
98%
Alliant AR-Comp
<<locked>>
89%
55825
90%
**15
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
55564
89%
**74
100%
Alliant Reloder-10x
<<locked>>
84%
55854
90%
**75
100%
Alliant Reloder-15
<<locked>>
94%
56115
90%
**87
100%
Alliant Reloder-16
<<locked>>
97%
43352
70%
**75
98%
Alliant Reloder-17 👍
<<locked>>
97%
49284
79%
**90
100%
Alliant Reloder-23
<<locked>>
97%
30618
49%
**65
96%
[Alliant Reloder-26]*
<<locked>>
97%
33243
53%
**60
94%
Baschieri & Pellagri 107
<<locked>>
91%
55622
89%
**87
100%
Hodgdon BL-C2
<<locked>>
89%
55695
89%
**83
100%
Hodgdon Benchmark
<<locked>>
88%
55753
89%
**98
100%
Hodgdon CFE223 👍
<<locked>>
95%
55303
89%
**20
100%
Hodgdon H322
<<locked>>
87%
55709
89%
**18
100%
Hodgdon H380
<<locked>>
96%
56101
90%
**83
99%
Hodgdon H414
<<locked>>
97%
51285
82%
**74
97%
[Hodgdon H4350]*
<<locked>>
97%
41916
67%
**80
94%
Hodgdon Hybrid 100V
<<locked>>
97%
39682
64%
**83
99%
Hodgdon LVR
<<locked>>
97%
47297
76%
**08
98%
Hodgdon Superperformance
<<locked>>
97%
47065
75%
**24
95%
Hodgdon VARGET
<<locked>>
97%
55724
89%
**51
100%
IMR 3031
<<locked>>
94%
55898
90%
**57
100%
IMR 4064
<<locked>>
97%
55521
89%
**41
100%
IMR 4166 Enduron
<<locked>>
97%
55216
89%
**15
98%
IMR 4198
<<locked>>
84%
55738
89%
**29
100%
IMR 4350
<<locked>>
97%
44570
71%
**19
95%
IMR 4451 Enduron
<<locked>>
97%
52605
84%
**11
97%
IMR 4831
<<locked>>
97%
36956
59%
**54
97%
IMR 4895 👍
<<locked>>
93%
55724
89%
**97
100%
IMR 8208 XBR
<<locked>>
89%
55535
89%
**34
100%
Lovex D073.4
<<locked>>
84%
56115
90%
**15
100%
Lovex D073.5
<<locked>>
85%
55709
89%
**21
100%
Lovex D073.6
<<locked>>
91%
56101
90%
**60
100%
Lovex S060
<<locked>>
91%
55840
90%
**05
100%
Lovex S062
<<locked>>
95%
55506
89%
**44
100%
Lovex S065
<<locked>>
97%
48530
78%
**65
98%
Lovex S070
<<locked>>
97%
45426
73%
**42
96%
Norma 201
<<locked>>
92%
55985
90%
**38
100%
Norma 202
<<locked>>
91%
55579
89%
**31
100%
Norma 203B
<<locked>>
95%
55695
89%
**83
100%
[Norma 204]*
<<locked>>
97%
44121
71%
**42
93%
Norma URP
<<locked>>
97%
43105
69%
**59
98%
Ramshot Big Game 👍
<<locked>>
95%
55883
90%
**06
100%
Ramshot Hunter
<<locked>>
97%
42221
68%
**46
96%
Ramshot TAC
<<locked>>
89%
56014
90%
**51
99%
Ramshot Wild Boar
<<locked>>
89%
55753
89%
**70
100%
Ramshot X-Terminator
<<locked>>
86%
55550
89%
**24
100%
ReloadSwiss RS 40
<<locked>>
85%
55738
89%
**24
100%
ReloadSwiss RS 50
<<locked>>
95%
55782
89%
**57
98%
ReloadSwiss RS 52
<<locked>>
95%
56101
90%
**16
100%
ReloadSwiss RS 60
<<locked>>
97%
47776
77%
**80
100%
ReloadSwiss RS 62
<<locked>>
97%
42598
68%
**78
98%
ReloadSwiss RS 70
<<locked>>
97%
43743
70%
**95
97%
Rottweil R 901
<<locked>>
89%
55666
89%
**01
100%
Rottweil R 902
<<locked>>
93%
55622
89%
**28
100%
Rottweil R 903
<<locked>>
97%
52359
84%
**41
100%
Rottweil R 907
<<locked>>
97%
50357
81%
**82
96%
SNPE Vectan SP 11 👍
<<locked>>
97%
54201
87%
**93
100%
SNPE Vectan SP 7
<<locked>>
90%
55840
90%
**54
99%
SNPE Vectan SP 9
<<locked>>
92%
55651
89%
**64
100%
SNPE Vectan Tubal 3000
<<locked>>
90%
55782
89%
**59
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
56043
90%
**65
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
48225
77%
**23
96%
Shooters World Long Rifle
<<locked>>
97%
48530
78%
**65
98%
Shooters World Match Rifle
<<locked>>
91%
56101
90%
**60
100%
Shooters World Precision
<<locked>>
95%
55506
89%
**44
100%
Shooters World Tactical Rifle
<<locked>>
84%
55927
90%
**05
100%
Somchem S321
<<locked>>
87%
55956
90%
**54
100%
Somchem S335
<<locked>>
91%
55956
90%
**75
100%
Somchem S341
<<locked>>
90%
55753
89%
**54
100%
Somchem S355
<<locked>>
97%
53156
85%
**44
100%
Somchem S365
<<locked>>
97%
38798
62%
**29
100%
[Somchem S385]*
<<locked>>
97%
35955
58%
**24
92%
Vihtavuori N130
<<locked>>
87%
55840
90%
**36
100%
Vihtavuori N133
<<locked>>
93%
55738
89%
**52
100%
Vihtavuori N135
<<locked>>
97%
51184
82%
**59
100%
Vihtavuori N140
<<locked>>
93%
55361
89%
**05
100%
Vihtavuori N150
<<locked>>
97%
45049
72%
**13
100%
Vihtavuori N160
<<locked>>
97%
47572
76%
**88
99%
Vihtavuori N530
<<locked>>
87%
55985
90%
**44
100%
Vihtavuori N540
<<locked>>
94%
55869
90%
**44
100%
Vihtavuori N550
<<locked>>
97%
47863
77%
**31
99%
Vihtavuori N555
<<locked>>
97%
32329
52%
**21
96%
Winchester 6.5 StaBALL
<<locked>>
97%
46412
74%
**56
100%
Winchester 748
<<locked>>
87%
55898
90%
**77
100%
Winchester 760
<<locked>>
97%
51285
82%
**74
97%
[Winchester StaBALL HD]*
<<locked>>
97%
27006
43%
**16
93%
Winchester StaBALL Match
<<locked>>
85%
55898
90%
**77
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
41278
66%
**67
99%
ADI AR 2208
<<locked>>
81%
35157
56%
**49
96%
Accurate 2015
<<locked>>
81%
46659
75%
**64
100%
Accurate 2200
<<locked>>
81%
43265
69%
**64
98%
Accurate 2230
<<locked>>
81%
49023
79%
**42
100%
Accurate 2460
<<locked>>
81%
49008
79%
**42
100%
Accurate 2495
<<locked>>
81%
41727
67%
**64
100%
Accurate 2520
<<locked>>
81%
42119
68%
**83
100%
[Accurate 2700]*
<<locked>>
81%
33533
54%
**70
90%
Accurate 4064
<<locked>>
81%
35114
56%
**75
100%
[Accurate 4350]*
<<locked>>
81%
25121
40%
**21
91%
Alliant AR-Comp
<<locked>>
81%
42583
68%
**60
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
34127
55%
**62
98%
Alliant Reloder-10x
<<locked>>
81%
50618
81%
**13
100%
Alliant Reloder-15
<<locked>>
81%
36941
59%
**14
97%
[Alliant Reloder-16]*
<<locked>>
81%
26977
43%
**34
91%
Alliant Reloder-17
<<locked>>
81%
29733
48%
**36
95%
[Alliant Reloder-23]*
<<locked>>
87%
23163
37%
**59
90%
[Alliant Reloder-26]*
<<locked>>
92%
28210
45%
**36
90%
Baschieri & Pellagri 107
<<locked>>
81%
40074
64%
**67
97%
Hodgdon BL-C2
<<locked>>
81%
41887
67%
**06
100%
Hodgdon Benchmark
<<locked>>
81%
45426
73%
**67
100%
Hodgdon CFE223
<<locked>>
81%
35186
56%
**14
96%
Hodgdon H322
<<locked>>
81%
45919
74%
**03
100%
Hodgdon H380
<<locked>>
81%
34708
56%
**65
95%
[Hodgdon H414]*
<<locked>>
82%
31038
50%
**29
90%
[Hodgdon H4350]*
<<locked>>
89%
33141
53%
**19
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
24526
39%
**62
92%
[Hodgdon LVR]*
<<locked>>
81%
28819
46%
**73
92%
[Hodgdon Superperformance]*
<<locked>>
87%
34026
55%
**98
90%
Hodgdon VARGET
<<locked>>
81%
34693
56%
**39
96%
IMR 3031
<<locked>>
81%
37231
60%
**18
100%
IMR 4064
<<locked>>
81%
34301
55%
**23
96%
[IMR 4166 Enduron]*
<<locked>>
81%
34693
56%
**00
92%
IMR 4198
<<locked>>
81%
51010
82%
**77
100%
[IMR 4350]*
<<locked>>
87%
32750
53%
**13
90%
[IMR 4451 Enduron]*
<<locked>>
81%
32547
52%
**86
91%
[IMR 4831]*
<<locked>>
82%
23960
38%
**65
90%
IMR 4895
<<locked>>
81%
37869
61%
**37
98%
IMR 8208 XBR
<<locked>>
81%
43352
70%
**73
100%
Lovex D073.4
<<locked>>
81%
50836
82%
**56
100%
Lovex D073.5
<<locked>>
81%
48530
78%
**39
100%
Lovex D073.6
<<locked>>
81%
39755
64%
**51
100%
Lovex S060
<<locked>>
81%
41771
67%
**18
99%
Lovex S062
<<locked>>
81%
36506
59%
**78
99%
[Lovex S065]*
<<locked>>
81%
30110
48%
**50
92%
[Lovex S070]*
<<locked>>
83%
30052
48%
**67
90%
Norma 201
<<locked>>
81%
40495
65%
**31
99%
Norma 202
<<locked>>
81%
40437
65%
**37
100%
Norma 203B
<<locked>>
81%
36187
58%
**01
98%
[Norma 204]*
<<locked>>
92%
37753
61%
**31
90%
[Norma URP]*
<<locked>>
81%
26513
43%
**31
91%
Ramshot Big Game
<<locked>>
81%
35679
57%
**11
97%
[Ramshot Hunter]*
<<locked>>
85%
29399
47%
**93
90%
Ramshot TAC
<<locked>>
81%
43149
69%
**77
97%
Ramshot Wild Boar
<<locked>>
81%
42293
68%
**90
99%
Ramshot X-Terminator
<<locked>>
81%
46891
75%
**13
99%
ReloadSwiss RS 40
<<locked>>
81%
48573
78%
**39
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
35317
57%
**55
93%
ReloadSwiss RS 52
<<locked>>
81%
34679
56%
**14
99%
ReloadSwiss RS 60
<<locked>>
81%
28906
46%
**23
96%
[ReloadSwiss RS 62]*
<<locked>>
81%
25556
41%
**31
90%
[ReloadSwiss RS 70]*
<<locked>>
84%
28877
46%
**90
90%
Rottweil R 901
<<locked>>
81%
44309
71%
**60
100%
Rottweil R 902
<<locked>>
81%
38377
62%
**91
99%
Rottweil R 903
<<locked>>
81%
31633
51%
**23
97%
[Rottweil R 907]*
<<locked>>
82%
32329
52%
**80
90%
SNPE Vectan SP 11
<<locked>>
81%
32677
52%
**62
96%
SNPE Vectan SP 7
<<locked>>
81%
41031
66%
**51
97%
SNPE Vectan SP 9
<<locked>>
81%
39668
64%
**41
98%
SNPE Vectan Tubal 3000
<<locked>>
81%
42119
68%
**95
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
34693
56%
**90
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
82%
29834
48%
**27
90%
[Shooters World Long Rifle]*
<<locked>>
81%
30110
48%
**50
92%
Shooters World Match Rifle
<<locked>>
81%
39755
64%
**51
100%
Shooters World Precision
<<locked>>
81%
36506
59%
**78
99%
Shooters World Tactical Rifle
<<locked>>
81%
51547
83%
**56
100%
Somchem S321
<<locked>>
81%
46514
75%
**36
100%
Somchem S335
<<locked>>
81%
41655
67%
**98
100%
Somchem S341
<<locked>>
81%
40770
65%
**54
98%
Somchem S355
<<locked>>
81%
32837
53%
**29
97%
[Somchem S365]*
<<locked>>
81%
23786
38%
**91
94%
[Somchem S385]*
<<locked>>
94%
32692
52%
**59
90%
Vihtavuori N130
<<locked>>
81%
46818
75%
**31
100%
Vihtavuori N133
<<locked>>
81%
39450
63%
**52
100%
Vihtavuori N135
<<locked>>
81%
31850
51%
**86
100%
Vihtavuori N140
<<locked>>
81%
37898
61%
**82
100%
Vihtavuori N150
<<locked>>
81%
27891
45%
**18
97%
[Vihtavuori N160]*
<<locked>>
81%
28703
46%
**57
93%
Vihtavuori N530
<<locked>>
81%
45542
73%
**13
100%
Vihtavuori N540
<<locked>>
81%
37333
60%
**95
100%
[Vihtavuori N550]*
<<locked>>
81%
28921
46%
**90
93%
[Vihtavuori N555]*
<<locked>>
86%
23206
37%
**91
90%
Winchester 6.5 StaBALL
<<locked>>
81%
27775
45%
**18
95%
Winchester 748
<<locked>>
81%
45672
73%
**52
100%
[Winchester 760]*
<<locked>>
82%
31038
50%
**29
90%
[Winchester StaBALL HD]*
<<locked>>
94%
24787
40%
**47
90%
Winchester StaBALL Match
<<locked>>
81%
48240
77%
**85
100%

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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