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Load data for .450 Rigby + .458 | 305gr | Lehigh Defense Controlled Fracturing

Recommended Powder(s): Accurate 2495, Accurate 2520, Hodgdon H322, Norma 202, Winchester 748

.450 Rigby + .458 | 305gr | Lehigh Defense Controlled Fracturing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.458 | 305gr | Lehigh Defense Controlled Fracturing
Manufacturer SKU:
02458305SP
Bullet Weight:
305gr | 19.8g
Bullet Diameter:
0.458" | 11.63mm
Bullet Length:
1.100" | 27.9mm
Caliber:
.450 Rigby load data
Case Length (l3):
2.902" | 73.7mm
Cartridge Length (C.O.L.):
3.694" | 93.8mm
Seated Depth:
0.308" | 7.8mm
Shank Seated Depth:
0.218" | 5.5mm
Case Capacity:
133.0 Grains of Water | 8.64 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
58015 psi | 4000 bar
LID:
LID_B11094_C768
Last updated:
2025-11-05
Recommended Twist Rate:
1:30 - 1:25

Load data for 156 loads in caliber .450 Rigby with .458 | 305gr | Lehigh Defense Controlled Fracturing bullet and 78 powders such as Accurate 2495, Accurate 2520, Hodgdon H322, Norma 202, Winchester 748. 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>>
95%
51837
89%
**10
97%
ADI AR 2207
<<locked>>
83%
51837
89%
**05
100%
[ADI AR 2208]*
<<locked>>
97%
45629
79%
**72
94%
ADI AR 2219
<<locked>>
86%
51909
89%
**00
100%
Accurate 2015
<<locked>>
92%
52011
90%
**48
100%
Accurate 2200
<<locked>>
93%
52040
90%
**67
95%
Accurate 2230
<<locked>>
89%
51808
89%
**61
97%
Accurate 2460
<<locked>>
90%
52156
90%
**81
99%
Accurate 2495 👍
<<locked>>
96%
52170
90%
**33
100%
Accurate 2520 👍
<<locked>>
95%
51880
89%
**27
99%
Accurate 4064
<<locked>>
97%
44280
76%
**12
99%
Alliant AR-Comp
<<locked>>
95%
52199
90%
**27
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
43816
76%
**92
96%
Alliant Reloder-10x
<<locked>>
89%
51793
89%
**58
100%
Alliant Reloder-15
<<locked>>
97%
47950
83%
**61
95%
[Alliant Reloder-17]*
<<locked>>
97%
39305
68%
**36
93%
Baschieri & Pellagri 106
<<locked>>
87%
51982
90%
**92
100%
Baschieri & Pellagri 107
<<locked>>
96%
51880
89%
**27
96%
Hodgdon BL-C2
<<locked>>
94%
51866
89%
**46
98%
Hodgdon Benchmark
<<locked>>
92%
51982
90%
**48
99%
Hodgdon CFE BLK
<<locked>>
83%
51634
89%
**99
98%
[Hodgdon CFE223]*
<<locked>>
97%
47108
81%
**71
94%
Hodgdon H322 👍
<<locked>>
92%
51909
89%
**00
100%
Hodgdon H335
<<locked>>
87%
52011
90%
**04
100%
[Hodgdon H380]*
<<locked>>
97%
45658
79%
**05
93%
Hodgdon H4198
<<locked>>
85%
51953
90%
**99
100%
[Hodgdon VARGET]*
<<locked>>
97%
45223
78%
**66
94%
Hodgdon TrailBoss
<<locked>>
97%
32010
55%
**32
100%
IMR 3031
<<locked>>
97%
47456
82%
**87
100%
[IMR 4064]*
<<locked>>
97%
44527
77%
**49
94%
IMR 4198
<<locked>>
88%
52069
90%
**18
100%
IMR 4895
<<locked>>
97%
49081
85%
**04
96%
IMR 8208 XBR
<<locked>>
94%
52127
90%
**84
98%
Lovex D073.4
<<locked>>
88%
51532
89%
**61
99%
Lovex D073.5
<<locked>>
90%
52156
90%
**81
99%
Lovex D073.6
<<locked>>
97%
51880
89%
**27
99%
Lovex S060
<<locked>>
95%
51895
89%
**38
97%
Lovex S062
<<locked>>
97%
46818
81%
**12
97%
Norma 200
<<locked>>
85%
52185
90%
**44
100%
Norma 201
<<locked>>
97%
52199
90%
**94
98%
Norma 202 👍
<<locked>>
96%
51851
89%
**07
100%
Norma 203B
<<locked>>
97%
47094
81%
**54
96%
Ramshot Big Game
<<locked>>
97%
47761
82%
**77
96%
[Ramshot TAC]*
<<locked>>
93%
51837
89%
**67
94%
Ramshot Wild Boar
<<locked>>
94%
52141
90%
**27
97%
Ramshot X-Terminator
<<locked>>
91%
52069
90%
**58
97%
ReloadSwiss RS 14
<<locked>>
96%
31995
55%
**72
100%
ReloadSwiss RS 40
<<locked>>
90%
51909
89%
**87
99%
ReloadSwiss RS 52
<<locked>>
97%
45774
79%
**71
97%
[ReloadSwiss RS 60]*
<<locked>>
97%
38261
66%
**20
93%
Rottweil R 901
<<locked>>
94%
51895
89%
**74
100%
Rottweil R 902
<<locked>>
97%
49690
86%
**41
98%
Rottweil R 903
<<locked>>
97%
40538
70%
**30
95%
SNPE Vectan BA6 1/2
<<locked>>
83%
51866
89%
**49
100%
SNPE Vectan SP 10
<<locked>>
86%
52054
90%
**00
100%
[SNPE Vectan SP 11]*
<<locked>>
97%
42975
74%
**89
94%
[SNPE Vectan SP 7]*
<<locked>>
95%
52156
90%
**77
94%
SNPE Vectan SP 9
<<locked>>
96%
51735
89%
**00
97%
SNPE Vectan Tubal 3000
<<locked>>
94%
51793
89%
**08
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
45397
78%
**10
99%
Shooters World Match Rifle
<<locked>>
97%
51880
89%
**27
99%
Shooters World Precision
<<locked>>
97%
46818
81%
**12
97%
Shooters World Tactical Rifle
<<locked>>
87%
51576
89%
**41
98%
Somchem S321
<<locked>>
91%
52069
90%
**07
98%
Somchem S335
<<locked>>
95%
51576
89%
**25
100%
Somchem S341
<<locked>>
95%
52199
90%
**97
97%
Somchem S355
<<locked>>
97%
41785
72%
**33
95%
Vihtavuori N120
<<locked>>
86%
52083
90%
**56
100%
Vihtavuori N130
<<locked>>
91%
51750
89%
**08
100%
Vihtavuori N133
<<locked>>
97%
50981
88%
**08
100%
Vihtavuori N135
<<locked>>
97%
39900
69%
**90
99%
Vihtavuori N140
<<locked>>
97%
49095
85%
**38
100%
[Vihtavuori N150]*
<<locked>>
97%
35259
61%
**75
94%
Vihtavuori N530
<<locked>>
92%
52083
90%
**00
98%
Vihtavuori N540
<<locked>>
97%
49226
85%
**61
99%
[Winchester 6.5 StaBALL]*
<<locked>>
97%
37521
65%
**92
92%
Winchester 748 👍
<<locked>>
92%
51982
90%
**49
99%
Winchester StaBALL Match
<<locked>>
90%
51938
90%
**30
98%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2206H]*
<<locked>>
81%
32764
56%
**10
90%
ADI AR 2207
<<locked>>
81%
48095
83%
**53
100%
[ADI AR 2208]*
<<locked>>
87%
34200
59%
**26
90%
ADI AR 2219
<<locked>>
81%
43105
74%
**53
99%
Accurate 2015
<<locked>>
81%
37188
64%
**85
99%
[Accurate 2200]*
<<locked>>
83%
37014
64%
**66
90%
[Accurate 2230]*
<<locked>>
81%
38754
67%
**21
94%
Accurate 2460
<<locked>>
81%
38580
66%
**31
96%
Accurate 2495
<<locked>>
81%
31328
54%
**33
98%
Accurate 2520
<<locked>>
81%
32256
56%
**39
95%
[Accurate 4064]*
<<locked>>
81%
26368
45%
**88
93%
Alliant AR-Comp
<<locked>>
81%
32837
57%
**69
100%
[Alliant Reloder- TS 15.5]*
<<locked>>
84%
29298
50%
**51
90%
Alliant Reloder-10x
<<locked>>
81%
40712
70%
**71
100%
[Alliant Reloder-15]*
<<locked>>
85%
33402
58%
**52
90%
[Alliant Reloder-17]*
<<locked>>
93%
34330
59%
**08
90%
Baschieri & Pellagri 106
<<locked>>
81%
43207
74%
**44
99%
[Baschieri & Pellagri 107]*
<<locked>>
85%
36129
62%
**05
90%
[Hodgdon BL-C2]*
<<locked>>
81%
32576
56%
**46
92%
Hodgdon Benchmark
<<locked>>
81%
37289
64%
**56
95%
Hodgdon CFE BLK
<<locked>>
81%
48051
83%
**33
97%
[Hodgdon CFE223]*
<<locked>>
90%
37463
65%
**57
90%
Hodgdon H322
<<locked>>
81%
36492
63%
**12
98%
Hodgdon H335
<<locked>>
81%
42525
73%
**43
98%
[Hodgdon H380]*
<<locked>>
91%
37782
65%
**41
90%
Hodgdon H4198
<<locked>>
81%
46267
80%
**00
99%
[Hodgdon VARGET]*
<<locked>>
88%
34200
59%
**26
90%
Hodgdon TrailBoss
<<locked>>
87%
27601
48%
**40
100%
IMR 3031
<<locked>>
81%
28761
50%
**74
96%
[IMR 4064]*
<<locked>>
88%
33388
58%
**03
90%
IMR 4198
<<locked>>
81%
42163
73%
**54
100%
[IMR 4895]*
<<locked>>
84%
31952
55%
**26
90%
[IMR 8208 XBR]*
<<locked>>
81%
34693
60%
**39
93%
Lovex D073.4
<<locked>>
81%
40350
70%
**61
96%
Lovex D073.5
<<locked>>
81%
38159
66%
**21
96%
[Lovex D073.6]*
<<locked>>
81%
30371
52%
**84
94%
[Lovex S060]*
<<locked>>
81%
34185
59%
**77
91%
[Lovex S062]*
<<locked>>
81%
28631
49%
**98
90%
Norma 200
<<locked>>
81%
46209
80%
**46
100%
[Norma 201]*
<<locked>>
81%
32155
55%
**77
92%
Norma 202
<<locked>>
81%
31937
55%
**00
95%
[Norma 203B]*
<<locked>>
85%
31734
55%
**16
90%
[Ramshot Big Game]*
<<locked>>
87%
33736
58%
**66
90%
[Ramshot TAC]*
<<locked>>
86%
40915
71%
**54
90%
[Ramshot Wild Boar]*
<<locked>>
81%
33533
58%
**36
91%
[Ramshot X-Terminator]*
<<locked>>
81%
37869
65%
**85
93%
ReloadSwiss RS 14
<<locked>>
83%
26353
45%
**47
100%
ReloadSwiss RS 40
<<locked>>
81%
39146
67%
**51
97%
[ReloadSwiss RS 52]*
<<locked>>
82%
28137
49%
**38
90%
[ReloadSwiss RS 60]*
<<locked>>
92%
33112
57%
**79
90%
Rottweil R 901
<<locked>>
81%
35636
61%
**52
96%
[Rottweil R 902]*
<<locked>>
81%
30545
53%
**31
92%
[Rottweil R 903]*
<<locked>>
88%
29805
51%
**74
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
49226
85%
**16
100%
SNPE Vectan SP 10
<<locked>>
81%
43671
75%
**59
99%
[SNPE Vectan SP 11]*
<<locked>>
89%
33533
58%
**69
90%
[SNPE Vectan SP 7]*
<<locked>>
86%
38769
67%
**28
90%
[SNPE Vectan SP 9]*
<<locked>>
82%
32256
56%
**97
90%
SNPE Vectan Tubal 3000
<<locked>>
81%
34185
59%
**74
96%
SNPE Vectan Tubal 5000
<<locked>>
81%
27557
47%
**26
95%
[Shooters World Match Rifle]*
<<locked>>
81%
30371
52%
**84
94%
[Shooters World Precision]*
<<locked>>
81%
28631
49%
**98
90%
Shooters World Tactical Rifle
<<locked>>
81%
41669
72%
**54
95%
Somchem S321
<<locked>>
81%
36927
64%
**18
95%
Somchem S335
<<locked>>
81%
33373
58%
**70
97%
[Somchem S341]*
<<locked>>
81%
32358
56%
**93
90%
[Somchem S355]*
<<locked>>
87%
30226
52%
**67
90%
Vihtavuori N120
<<locked>>
81%
44962
77%
**54
100%
Vihtavuori N130
<<locked>>
81%
38174
66%
**69
100%
Vihtavuori N133
<<locked>>
81%
31560
54%
**31
98%
[Vihtavuori N135]*
<<locked>>
81%
24366
42%
**97
94%
Vihtavuori N140
<<locked>>
81%
29588
51%
**25
95%
[Vihtavuori N150]*
<<locked>>
88%
26905
46%
**52
90%
[Vihtavuori N530]*
<<locked>>
81%
36361
63%
**95
94%
[Vihtavuori N540]*
<<locked>>
81%
29399
51%
**34
94%
[Winchester 6.5 StaBALL]*
<<locked>>
93%
33373
58%
**87
90%
Winchester 748
<<locked>>
81%
35578
61%
**21
95%
[Winchester StaBALL Match]*
<<locked>>
81%
38014
66%
**57
94%

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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