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Load data for 6.5 x 63 Messner Mag + .264 | 126gr | Lehigh Defense Controlled Chaos

Recommended Powder(s):

6.5 x 63 Messner Mag + .264 | 126gr | Lehigh Defense Controlled Chaos

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.264 | 126gr | Lehigh Defense Controlled Chaos
Manufacturer SKU:
264126CuSP
Bullet Weight:
126gr | 8.2g
Bullet Diameter:
0.264" | 6.71mm
Bullet Length:
1.370" | 34.8mm
Caliber:
6.5 x 63 Messner Mag load data
Case Length (l3):
2.480" | 63.0mm
Cartridge Length (C.O.L.):
3.257" | 82.7mm
Seated Depth:
0.593" | 15.1mm
Shank Seated Depth:
0.415" | 10.6mm
Case Capacity:
83.5 Grains of Water | 5.42 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B11010_C1037
Last updated:
2025-11-14

Load data for 114 loads in caliber 6.5 x 63 Messner Mag with .264 | 126gr | Lehigh Defense Controlled Chaos bullet and 57 powder(s). 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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    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.

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 2209
<<locked>>
89%
57188
90%
**94
100%
ADI AR 2213
<<locked>>
92%
56985
89%
**27
99%
ADI AR 2217
<<locked>>
97%
48254
76%
**63
98%
ADI AR 2225
<<locked>>
97%
43787
69%
**30
99%
Accurate 3100
<<locked>>
92%
57363
90%
**28
100%
Accurate 4350
<<locked>>
84%
56797
89%
**35
100%
Accurate MAGPRO
<<locked>>
93%
57319
90%
**33
98%
Alliant Reloder-16
<<locked>>
85%
56826
89%
**84
100%
Alliant Reloder-19
<<locked>>
89%
56710
89%
**84
100%
Alliant Reloder-22 👍
<<locked>>
92%
57145
90%
**23
100%
Alliant Reloder-23
<<locked>>
94%
57203
90%
**71
100%
Alliant Reloder-25 👍
<<locked>>
97%
55448
87%
**10
100%
Alliant Reloder-26
<<locked>>
89%
57246
90%
**53
100%
[Alliant Reloder-33]*
<<locked>>
97%
45368
71%
**59
93%
Hodgdon H1000
<<locked>>
97%
48254
76%
**63
98%
Hodgdon H4350
<<locked>>
87%
56811
89%
**18
100%
Hodgdon H4831
<<locked>>
95%
56739
89%
**68
98%
Hodgdon H4831 SC
<<locked>>
91%
56739
89%
**68
98%
Hodgdon Hybrid 100V
<<locked>>
87%
57334
90%
**02
100%
Hodgdon Retumbo
<<locked>>
97%
43787
69%
**30
99%
Hodgdon TrailBoss
<<locked>>
96%
35636
56%
**03
100%
IMR 4350
<<locked>>
86%
57014
89%
**28
100%
IMR 4831
<<locked>>
89%
57232
90%
**25
100%
IMR 4955 Enduron
<<locked>>
92%
57232
90%
**41
99%
IMR 7828 SSC 👍
<<locked>>
91%
57043
89%
**43
99%
[IMR 7977 Enduron]*
<<locked>>
97%
56173
88%
**76
92%
IMR 8133 Enduron
<<locked>>
97%
39668
62%
**25
95%
Lovex S065
<<locked>>
84%
57188
90%
**05
100%
Lovex S070
<<locked>>
85%
57029
89%
**25
100%
Lovex S071
<<locked>>
97%
55622
87%
**05
100%
Norma 204
<<locked>>
85%
57174
90%
**64
99%
Norma 217
<<locked>>
97%
39900
63%
**51
98%
Norma MRP 👍
<<locked>>
90%
57072
89%
**43
100%
Norma URP
<<locked>>
85%
56608
89%
**45
100%
Ramshot Hunter
<<locked>>
85%
56927
89%
**68
100%
Ramshot Magnum 👍
<<locked>>
93%
57392
90%
**97
100%
ReloadSwiss RS 14
<<locked>>
97%
36593
57%
**52
100%
ReloadSwiss RS 62
<<locked>>
84%
56811
89%
**58
100%
ReloadSwiss RS 70
<<locked>>
85%
57435
90%
**17
100%
ReloadSwiss RS 76
<<locked>>
97%
54476
85%
**69
100%
ReloadSwiss RS 80
<<locked>>
97%
50125
79%
**51
97%
Rottweil R 904
<<locked>>
89%
57421
90%
**51
99%
Rottweil R 905
<<locked>>
90%
57029
89%
**77
100%
SNPE Vectan Tubal 7000
<<locked>>
84%
57072
89%
**69
100%
Shooters World Long Rifle
<<locked>>
84%
57188
90%
**05
100%
Somchem S361
<<locked>>
88%
57232
90%
**09
98%
Somchem S365
<<locked>>
86%
57174
90%
**45
100%
Somchem S385
<<locked>>
90%
57334
90%
**45
100%
Vihtavuori N150
<<locked>>
85%
57348
90%
**46
100%
Vihtavuori N165
<<locked>>
95%
57188
90%
**35
100%
Vihtavuori N555
<<locked>>
90%
57145
90%
**71
100%
Vihtavuori N560
<<locked>>
92%
57217
90%
**46
99%
Vihtavuori N565
<<locked>>
96%
57217
90%
**30
99%
Vihtavuori N568
<<locked>>
97%
51445
81%
**61
97%
[Vihtavuori N570]*
<<locked>>
97%
48849
77%
**41
94%
Winchester 6.5 StaBALL
<<locked>>
84%
57421
90%
**82
100%
Winchester StaBALL HD
<<locked>>
94%
57217
90%
**76
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
43076
68%
**31
97%
[ADI AR 2213]*
<<locked>>
81%
38435
60%
**49
94%
[ADI AR 2217]*
<<locked>>
84%
31256
49%
**39
90%
[ADI AR 2225]*
<<locked>>
81%
26339
41%
**25
90%
Accurate 3100
<<locked>>
81%
38870
61%
**87
98%
Accurate 4350
<<locked>>
81%
51764
81%
**56
100%
[Accurate MAGPRO]*
<<locked>>
81%
37811
59%
**43
92%
Alliant Reloder-16
<<locked>>
81%
49661
78%
**59
100%
Alliant Reloder-19
<<locked>>
81%
43018
67%
**18
97%
Alliant Reloder-22
<<locked>>
81%
38841
61%
**56
96%
Alliant Reloder-23
<<locked>>
81%
37449
59%
**20
100%
Alliant Reloder-25
<<locked>>
81%
32372
51%
**25
97%
Alliant Reloder-26
<<locked>>
81%
41901
66%
**84
100%
[Alliant Reloder-33]*
<<locked>>
93%
39610
62%
**22
90%
[Hodgdon H1000]*
<<locked>>
84%
31256
49%
**39
90%
Hodgdon H4350
<<locked>>
81%
46499
73%
**35
99%
[Hodgdon H4831]*
<<locked>>
81%
36260
57%
**48
93%
[Hodgdon H4831 SC]*
<<locked>>
81%
40306
63%
**46
94%
Hodgdon Hybrid 100V
<<locked>>
81%
46514
73%
**35
100%
[Hodgdon Retumbo]*
<<locked>>
81%
26339
41%
**25
90%
Hodgdon TrailBoss
<<locked>>
81%
28369
44%
**45
100%
IMR 4350
<<locked>>
81%
48834
77%
**84
99%
IMR 4831
<<locked>>
81%
44686
70%
**15
100%
[IMR 4955 Enduron]*
<<locked>>
81%
40089
63%
**00
94%
IMR 7828 SSC
<<locked>>
81%
39392
62%
**82
95%
[IMR 7977 Enduron]*
<<locked>>
92%
48617
76%
**38
90%
[IMR 8133 Enduron]*
<<locked>>
89%
30661
48%
**79
90%
Lovex S065
<<locked>>
81%
52504
82%
**23
100%
Lovex S070
<<locked>>
81%
50981
80%
**27
100%
Lovex S071
<<locked>>
81%
33301
52%
**59
97%
Norma 204
<<locked>>
81%
49385
77%
**40
98%
[Norma 217]*
<<locked>>
85%
26919
42%
**67
90%
Norma MRP
<<locked>>
81%
40857
64%
**35
98%
Norma URP
<<locked>>
81%
50372
79%
**46
100%
Ramshot Hunter
<<locked>>
81%
49371
77%
**40
100%
Ramshot Magnum
<<locked>>
81%
36216
57%
**94
96%
ReloadSwiss RS 14
<<locked>>
81%
29196
46%
**88
100%
ReloadSwiss RS 62
<<locked>>
81%
51953
81%
**86
100%
ReloadSwiss RS 70
<<locked>>
81%
50140
79%
**02
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
30719
48%
**02
94%
[ReloadSwiss RS 80]*
<<locked>>
86%
33489
52%
**67
90%
Rottweil R 904
<<locked>>
81%
44208
69%
**08
96%
Rottweil R 905
<<locked>>
81%
42337
66%
**99
97%
SNPE Vectan Tubal 7000
<<locked>>
81%
51532
81%
**77
100%
Shooters World Long Rifle
<<locked>>
81%
52504
82%
**23
100%
Somchem S361
<<locked>>
81%
45136
71%
**92
96%
Somchem S365
<<locked>>
81%
47601
75%
**97
100%
Somchem S385
<<locked>>
81%
42989
67%
**89
98%
Vihtavuori N150
<<locked>>
81%
50430
79%
**48
100%
Vihtavuori N165
<<locked>>
81%
36201
57%
**21
96%
Vihtavuori N555
<<locked>>
81%
41959
66%
**99
100%
[Vihtavuori N560]*
<<locked>>
81%
38885
61%
**79
94%
[Vihtavuori N565]*
<<locked>>
81%
33576
53%
**21
92%
[Vihtavuori N568]*
<<locked>>
86%
35331
55%
**10
91%
[Vihtavuori N570]*
<<locked>>
91%
40263
63%
**54
90%
Winchester 6.5 StaBALL
<<locked>>
81%
51213
80%
**84
100%
Winchester StaBALL HD
<<locked>>
81%
33910
53%
**43
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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