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Load data for 6.5 x 63 R Messner Mag + .264 | 87gr | IBEX Viper

Recommended Powder(s): Alliant Reloder-16, IMR 4831, Ramshot Hunter, Vihtavuori N555, Winchester StaBALL HD

6.5 x 63 R Messner Mag + .264 | 87gr | IBEX Viper

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.264 | 87gr | IBEX Viper
Manufacturer SKU:
T7005
Bullet Weight:
87gr | 5.6g
Bullet Diameter:
0.264" | 6.71mm
Bullet Length:
<<locked>>
Caliber:
6.5 x 63 R Messner Mag load data
Case Length (l3):
2.480" | 63.0mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
83.5 Grains of Water | 5.42 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B7007_C1038
Last updated:
2026-02-03
Recommended Twist Rate:
1:10 - 1:8

Load data for 148 loads in caliber 6.5 x 63 R Messner Mag with .264 | 87gr | IBEX Viper bullet and 74 powders such as Alliant Reloder-16, IMR 4831, Ramshot Hunter, Vihtavuori N555, Winchester StaBALL HD. 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 2208
<<locked>>
84%
56927
89%
**84
100%
ADI AR 2209
<<locked>>
94%
57188
90%
**60
97%
ADI AR 2213
<<locked>>
97%
56521
89%
**66
95%
[ADI AR 2225]*
<<locked>>
97%
37724
59%
**36
92%
Accurate 2700
<<locked>>
84%
56913
89%
**22
98%
Accurate 3100
<<locked>>
97%
56797
89%
**81
99%
Accurate 4350
<<locked>>
88%
57101
89%
**27
100%
[Accurate MAGPRO]*
<<locked>>
97%
55869
88%
**53
93%
Alliant Reloder-16 👍
<<locked>>
91%
57348
90%
**99
100%
Alliant Reloder-17
<<locked>>
85%
56913
89%
**89
100%
Alliant Reloder-19
<<locked>>
95%
57392
90%
**63
97%
Alliant Reloder-22
<<locked>>
97%
56072
88%
**63
97%
Alliant Reloder-23
<<locked>>
97%
52808
83%
**97
100%
Alliant Reloder-25
<<locked>>
97%
46296
73%
**96
98%
Alliant Reloder-26
<<locked>>
94%
56855
89%
**52
100%
[Baschieri & Pellagri 109]*
<<locked>>
97%
55027
86%
**32
91%
Bofors RP15
<<locked>>
97%
51677
81%
**74
96%
[Bofors RP30]*
<<locked>>
97%
42685
67%
**84
92%
Bofors RP5
<<locked>>
97%
56072
88%
**63
97%
Bofors RP7
<<locked>>
87%
56695
89%
**78
98%
Hodgdon H414
<<locked>>
85%
57203
90%
**50
98%
Hodgdon H4350
<<locked>>
92%
57029
89%
**91
98%
[Hodgdon H4831]*
<<locked>>
97%
51619
81%
**99
93%
Hodgdon H4831 SC
<<locked>>
96%
57334
90%
**20
95%
Hodgdon Hybrid 100V
<<locked>>
92%
56710
89%
**88
100%
Hodgdon LVR
<<locked>>
87%
57246
90%
**53
100%
[Hodgdon Retumbo]*
<<locked>>
97%
37724
59%
**36
92%
Hodgdon Superperformance
<<locked>>
87%
57029
89%
**66
98%
Hodgdon VARGET
<<locked>>
84%
56927
89%
**84
100%
Hodgdon TrailBoss
<<locked>>
96%
34911
55%
**60
100%
IMR 4064
<<locked>>
84%
56724
89%
**74
100%
IMR 4166 Enduron
<<locked>>
85%
56869
89%
**65
98%
IMR 4350
<<locked>>
90%
57377
90%
**04
98%
IMR 4451 Enduron
<<locked>>
86%
57014
89%
**88
98%
IMR 4831 👍
<<locked>>
93%
56913
89%
**10
100%
IMR 4955 Enduron
<<locked>>
97%
57130
90%
**91
95%
IMR 7828 SSC
<<locked>>
96%
56710
89%
**76
96%
Lovex S065
<<locked>>
88%
57072
89%
**74
99%
Lovex S070
<<locked>>
89%
57246
90%
**97
99%
Lovex S071
<<locked>>
97%
47761
75%
**17
98%
Norma 204
<<locked>>
89%
56782
89%
**17
97%
Norma MRP
<<locked>>
96%
57435
90%
**29
98%
Norma URP
<<locked>>
89%
56753
89%
**33
100%
Ramshot Grand
<<locked>>
94%
57043
89%
**02
96%
Ramshot Hunter 👍
<<locked>>
90%
56913
89%
**53
99%
Ramshot Magnum
<<locked>>
97%
55376
87%
**20
98%
ReloadSwiss RS 14
<<locked>>
96%
35650
56%
**10
100%
ReloadSwiss RS 60
<<locked>>
84%
57000
89%
**96
100%
ReloadSwiss RS 62
<<locked>>
88%
56768
89%
**40
100%
ReloadSwiss RS 70
<<locked>>
89%
56971
89%
**12
100%
ReloadSwiss RS 76
<<locked>>
97%
45658
72%
**09
96%
Rottweil R 903
<<locked>>
84%
57014
89%
**94
100%
Rottweil R 904
<<locked>>
94%
57319
90%
**01
96%
Rottweil R 905
<<locked>>
95%
57058
89%
**53
97%
Rottweil R 907
<<locked>>
87%
56695
89%
**78
98%
SNPE Vectan SP 11
<<locked>>
83%
56985
89%
**20
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
56869
89%
**53
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
57058
89%
**22
98%
Shooters World Long Rifle
<<locked>>
88%
57072
89%
**74
99%
Somchem S355
<<locked>>
84%
56855
89%
**91
100%
Somchem S361
<<locked>>
92%
56898
89%
**45
95%
Somchem S365
<<locked>>
91%
56898
89%
**53
100%
Somchem S385
<<locked>>
94%
56898
89%
**04
98%
Vihtavuori N135
<<locked>>
86%
57217
90%
**09
100%
Vihtavuori N150
<<locked>>
89%
56434
88%
**28
100%
Vihtavuori N160
<<locked>>
87%
56826
89%
**88
100%
Vihtavuori N165
<<locked>>
97%
52431
82%
**96
97%
Vihtavuori N550
<<locked>>
86%
56811
89%
**33
100%
Vihtavuori N555 👍
<<locked>>
96%
57377
90%
**66
100%
Vihtavuori N560
<<locked>>
97%
55883
88%
**76
95%
[Vihtavuori N565]*
<<locked>>
97%
49182
77%
**12
93%
Winchester 6.5 StaBALL
<<locked>>
88%
57130
90%
**65
100%
Winchester 760
<<locked>>
85%
57203
90%
**50
98%
Winchester StaBALL HD 👍
<<locked>>
97%
49414
77%
**70
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
52475
82%
**96
100%
[ADI AR 2209]*
<<locked>>
81%
37463
59%
**04
90%
[ADI AR 2213]*
<<locked>>
88%
41771
65%
**28
90%
[ADI AR 2225]*
<<locked>>
94%
34940
55%
**58
90%
Accurate 2700
<<locked>>
81%
51372
81%
**10
97%
[Accurate 3100]*
<<locked>>
81%
34055
53%
**69
93%
Accurate 4350
<<locked>>
81%
45121
71%
**91
98%
[Accurate MAGPRO]*
<<locked>>
92%
46717
73%
**63
90%
Alliant Reloder-16
<<locked>>
81%
42337
66%
**78
98%
Alliant Reloder-17
<<locked>>
81%
48733
76%
**45
100%
[Alliant Reloder-19]*
<<locked>>
81%
37463
59%
**97
90%
[Alliant Reloder-22]*
<<locked>>
84%
36796
58%
**20
90%
Alliant Reloder-23
<<locked>>
81%
32358
51%
**89
96%
[Alliant Reloder-25]*
<<locked>>
83%
30501
48%
**27
90%
[Alliant Reloder-26]*
<<locked>>
81%
35041
55%
**20
94%
[Baschieri & Pellagri 109]*
<<locked>>
94%
51198
80%
**56
90%
[Bofors RP15]*
<<locked>>
87%
37275
58%
**27
90%
[Bofors RP30]*
<<locked>>
94%
39378
62%
**92
90%
[Bofors RP5]*
<<locked>>
84%
36796
58%
**20
90%
Bofors RP7
<<locked>>
81%
47877
75%
**04
96%
Hodgdon H414
<<locked>>
81%
49966
78%
**06
97%
[Hodgdon H4350]*
<<locked>>
81%
41205
65%
**53
94%
[Hodgdon H4831]*
<<locked>>
91%
42728
67%
**12
90%
[Hodgdon H4831 SC]*
<<locked>>
87%
42902
67%
**12
90%
Hodgdon Hybrid 100V
<<locked>>
81%
40103
63%
**59
99%
Hodgdon LVR
<<locked>>
81%
46760
73%
**27
98%
[Hodgdon Retumbo]*
<<locked>>
94%
34940
55%
**58
90%
Hodgdon Superperformance
<<locked>>
81%
45643
72%
**33
95%
Hodgdon VARGET
<<locked>>
81%
51895
81%
**96
100%
Hodgdon TrailBoss
<<locked>>
81%
28050
44%
**83
100%
IMR 4064
<<locked>>
81%
51822
81%
**83
100%
IMR 4166 Enduron
<<locked>>
81%
50560
79%
**37
97%
[IMR 4350]*
<<locked>>
81%
43178
68%
**99
94%
IMR 4451 Enduron
<<locked>>
81%
48747
76%
**27
97%
IMR 4831
<<locked>>
81%
39117
61%
**40
97%
[IMR 4955 Enduron]*
<<locked>>
86%
41800
65%
**43
90%
[IMR 7828 SSC]*
<<locked>>
87%
41930
66%
**38
90%
Lovex S065
<<locked>>
81%
47021
74%
**78
98%
Lovex S070
<<locked>>
81%
45107
71%
**41
96%
[Lovex S071]*
<<locked>>
81%
29994
47%
**41
90%
[Norma 204]*
<<locked>>
81%
42801
67%
**15
93%
[Norma MRP]*
<<locked>>
81%
34969
55%
**94
91%
Norma URP
<<locked>>
81%
43845
69%
**64
98%
[Ramshot Grand]*
<<locked>>
85%
41147
64%
**22
90%
Ramshot Hunter
<<locked>>
81%
42496
67%
**41
96%
[Ramshot Magnum]*
<<locked>>
85%
35737
56%
**51
90%
ReloadSwiss RS 14
<<locked>>
81%
28819
45%
**33
100%
ReloadSwiss RS 60
<<locked>>
81%
51663
81%
**04
100%
ReloadSwiss RS 62
<<locked>>
81%
44541
70%
**01
98%
ReloadSwiss RS 70
<<locked>>
81%
42714
67%
**01
97%
[ReloadSwiss RS 76]*
<<locked>>
90%
35868
56%
**04
90%
Rottweil R 903
<<locked>>
81%
51953
81%
**99
100%
[Rottweil R 904]*
<<locked>>
82%
40480
63%
**33
90%
[Rottweil R 905]*
<<locked>>
81%
36811
58%
**84
90%
Rottweil R 907
<<locked>>
81%
47877
75%
**04
96%
SNPE Vectan SP 11
<<locked>>
81%
52373
82%
**42
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
51793
81%
**68
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
45977
72%
**05
96%
Shooters World Long Rifle
<<locked>>
81%
47021
74%
**78
98%
Somchem S355
<<locked>>
81%
51648
81%
**83
100%
[Somchem S361]*
<<locked>>
83%
42380
66%
**33
90%
Somchem S365
<<locked>>
81%
40654
64%
**22
100%
[Somchem S385]*
<<locked>>
81%
37695
59%
**77
92%
Vihtavuori N135
<<locked>>
81%
50053
78%
**87
100%
Vihtavuori N150
<<locked>>
81%
44425
70%
**09
100%
Vihtavuori N160
<<locked>>
81%
47108
74%
**07
99%
[Vihtavuori N165]*
<<locked>>
84%
34766
54%
**76
90%
Vihtavuori N550
<<locked>>
81%
47645
75%
**56
99%
Vihtavuori N555
<<locked>>
81%
36013
56%
**94
96%
[Vihtavuori N560]*
<<locked>>
89%
43062
67%
**94
90%
[Vihtavuori N565]*
<<locked>>
92%
40930
64%
**22
90%
Winchester 6.5 StaBALL
<<locked>>
81%
44353
70%
**25
100%
Winchester 760
<<locked>>
81%
49966
78%
**06
97%
Winchester StaBALL HD
<<locked>>
81%
26353
41%
**53
95%

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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