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Load data for 6.5 x 64 (Reb) + .264 | 123gr | Sierra HPBT MatchKing

Recommended Powder(s): Alliant Reloder-26, IMR 4831, Ramshot Hunter, Vihtavuori N555, Winchester StaBALL HD

6.5 x 64 (Reb) + .264 | 123gr | Sierra HPBT MatchKing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.264 | 123gr | Sierra HPBT MatchKing
Manufacturer SKU:
1727
Bullet Weight:
123gr | 8.0g
Bullet Diameter:
0.264" | 6.71mm
Bullet Length:
1.281" | 32.5mm
Caliber:
6.5 x 64 (Reb) load data
Case Length (l3):
2.518" | 64.0mm
Cartridge Length (C.O.L.):
3.257" | 82.7mm
Seated Depth:
0.542" | 13.8mm
Shank Seated Depth:
0.335" | 8.5mm
Case Capacity:
71.5 Grains of Water | 4.64 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B5808_C1026
Last updated:
2025-01-01
Recommended Twist Rate:
1:9 - 1:8

Load data for 142 loads in caliber 6.5 x 64 (Reb) with .264 | 123gr | Sierra HPBT MatchKing bullet and 71 powders such as Alliant Reloder-26, 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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    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 2208
<<locked>>
84%
55608
89%
**46
100%
ADI AR 2209
<<locked>>
94%
55376
89%
**31
98%
ADI AR 2213
<<locked>>
96%
53519
86%
**28
97%
[ADI AR 2217]*
<<locked>>
97%
39653
64%
**26
92%
[ADI AR 2225]*
<<locked>>
96%
34737
56%
**67
94%
Accurate 2700
<<locked>>
85%
55680
89%
**10
99%
Accurate 3100
<<locked>>
97%
53374
86%
**53
100%
Accurate 4350
<<locked>>
89%
55434
89%
**95
100%
Accurate MAGPRO
<<locked>>
97%
52707
85%
**28
95%
Alliant Reloder- TS 15.5
<<locked>>
83%
55622
89%
**56
100%
Alliant Reloder-16
<<locked>>
91%
55941
90%
**54
100%
Alliant Reloder-17
<<locked>>
86%
55245
89%
**45
100%
Alliant Reloder-19
<<locked>>
94%
55230
89%
**25
98%
Alliant Reloder-22
<<locked>>
96%
53113
85%
**38
98%
Alliant Reloder-23
<<locked>>
97%
50894
82%
**72
100%
Alliant Reloder-25
<<locked>>
97%
44077
71%
**94
99%
Alliant Reloder-26 👍
<<locked>>
95%
55317
89%
**20
100%
[Hodgdon H1000]*
<<locked>>
97%
39653
64%
**26
92%
Hodgdon H414
<<locked>>
85%
56101
90%
**28
99%
Hodgdon H4350
<<locked>>
92%
55738
89%
**76
99%
Hodgdon H4831
<<locked>>
97%
50198
80%
**13
95%
Hodgdon H4831 SC
<<locked>>
96%
55448
89%
**05
97%
Hodgdon Hybrid 100V
<<locked>>
92%
55738
89%
**63
100%
Hodgdon LVR
<<locked>>
88%
56130
90%
**18
100%
[Hodgdon Retumbo]*
<<locked>>
96%
34737
56%
**67
94%
Hodgdon Superperformance
<<locked>>
88%
55463
89%
**51
99%
Hodgdon VARGET
<<locked>>
84%
55956
90%
**49
100%
Hodgdon TrailBoss
<<locked>>
96%
34954
56%
**41
100%
IMR 4064
<<locked>>
84%
55680
89%
**33
100%
IMR 4166 Enduron
<<locked>>
85%
56130
90%
**46
99%
IMR 4350
<<locked>>
91%
56086
90%
**76
99%
IMR 4451 Enduron
<<locked>>
86%
56057
90%
**63
99%
IMR 4831 👍
<<locked>>
94%
55680
89%
**89
100%
IMR 4955 Enduron
<<locked>>
97%
55071
88%
**59
97%
IMR 7828 SSC
<<locked>>
97%
55651
89%
**77
97%
Lovex S065
<<locked>>
88%
55405
89%
**46
100%
Lovex S070
<<locked>>
89%
55492
89%
**69
99%
Lovex S071
<<locked>>
97%
44991
72%
**05
99%
Norma 204
<<locked>>
90%
56028
90%
**18
98%
Norma MRP
<<locked>>
96%
55492
89%
**04
99%
Norma URP
<<locked>>
89%
55361
89%
**09
100%
Ramshot Hunter 👍
<<locked>>
90%
56057
90%
**31
100%
Ramshot Magnum
<<locked>>
97%
52025
83%
**99
99%
ReloadSwiss RS 14
<<locked>>
96%
35476
57%
**80
100%
ReloadSwiss RS 60
<<locked>>
87%
55158
88%
**68
100%
ReloadSwiss RS 62
<<locked>>
89%
55666
89%
**22
100%
ReloadSwiss RS 70
<<locked>>
90%
56014
90%
**87
100%
ReloadSwiss RS 76
<<locked>>
97%
43149
69%
**17
98%
Rottweil R 903
<<locked>>
84%
55259
89%
**43
100%
Rottweil R 904
<<locked>>
94%
55941
90%
**89
98%
Rottweil R 905
<<locked>>
95%
56043
90%
**38
99%
Rottweil R 907
<<locked>>
87%
56072
90%
**56
99%
SNPE Vectan SP 11
<<locked>>
83%
55303
89%
**76
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
55724
89%
**22
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
55608
89%
**04
99%
Shooters World Long Rifle
<<locked>>
88%
55405
89%
**46
100%
Somchem S355
<<locked>>
85%
55753
89%
**49
100%
Somchem S361
<<locked>>
92%
55158
88%
**33
97%
Somchem S365
<<locked>>
92%
55230
89%
**09
100%
Somchem S385
<<locked>>
94%
55172
88%
**89
99%
Vihtavuori N135
<<locked>>
86%
55405
89%
**51
100%
Vihtavuori N150
<<locked>>
89%
55390
89%
**04
100%
Vihtavuori N160
<<locked>>
87%
55680
89%
**63
100%
Vihtavuori N165
<<locked>>
97%
49922
80%
**84
98%
Vihtavuori N550
<<locked>>
87%
55927
90%
**12
100%
Vihtavuori N555 👍
<<locked>>
96%
56043
90%
**41
100%
Vihtavuori N560
<<locked>>
97%
53809
86%
**64
97%
Vihtavuori N565
<<locked>>
97%
45847
74%
**94
95%
Winchester 6.5 StaBALL
<<locked>>
89%
55767
89%
**43
100%
Winchester 760
<<locked>>
85%
56101
90%
**28
99%
Winchester StaBALL HD 👍
<<locked>>
97%
47108
76%
**38
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
51169
82%
**74
100%
[ADI AR 2209]*
<<locked>>
81%
35926
58%
**28
93%
[ADI AR 2213]*
<<locked>>
84%
35462
57%
**31
90%
[ADI AR 2217]*
<<locked>>
94%
35723
57%
**25
90%
[ADI AR 2225]*
<<locked>>
91%
29559
47%
**00
90%
Accurate 2700
<<locked>>
81%
49574
79%
**08
98%
[Accurate 3100]*
<<locked>>
81%
31314
50%
**87
94%
Accurate 4350
<<locked>>
81%
42453
68%
**69
99%
[Accurate MAGPRO]*
<<locked>>
88%
39262
63%
**53
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
51996
83%
**90
100%
Alliant Reloder-16
<<locked>>
81%
40857
66%
**76
99%
Alliant Reloder-17
<<locked>>
81%
47224
76%
**10
100%
[Alliant Reloder-19]*
<<locked>>
81%
35607
57%
**18
93%
[Alliant Reloder-22]*
<<locked>>
81%
31531
51%
**43
90%
Alliant Reloder-23
<<locked>>
81%
30095
48%
**23
98%
[Alliant Reloder-25]*
<<locked>>
81%
26687
43%
**08
91%
Alliant Reloder-26
<<locked>>
81%
32764
53%
**54
96%
[Hodgdon H1000]*
<<locked>>
94%
35723
57%
**25
90%
Hodgdon H414
<<locked>>
81%
48225
77%
**90
98%
Hodgdon H4350
<<locked>>
81%
39421
63%
**61
96%
[Hodgdon H4831]*
<<locked>>
87%
36158
58%
**08
90%
[Hodgdon H4831 SC]*
<<locked>>
83%
35897
58%
**02
90%
Hodgdon Hybrid 100V
<<locked>>
81%
38464
62%
**61
100%
Hodgdon LVR
<<locked>>
81%
45063
72%
**18
99%
[Hodgdon Retumbo]*
<<locked>>
91%
29559
47%
**00
90%
Hodgdon Superperformance
<<locked>>
81%
43453
70%
**31
97%
Hodgdon VARGET
<<locked>>
81%
50850
82%
**61
100%
Hodgdon TrailBoss
<<locked>>
81%
27876
45%
**83
100%
IMR 4064
<<locked>>
81%
50256
81%
**41
100%
IMR 4166 Enduron
<<locked>>
81%
49211
79%
**25
99%
IMR 4350
<<locked>>
81%
41655
67%
**13
96%
IMR 4451 Enduron
<<locked>>
81%
47674
76%
**15
98%
IMR 4831
<<locked>>
81%
36869
59%
**31
98%
[IMR 4955 Enduron]*
<<locked>>
82%
35215
56%
**56
90%
[IMR 7828 SSC]*
<<locked>>
83%
34867
56%
**31
90%
Lovex S065
<<locked>>
81%
44701
72%
**59
99%
Lovex S070
<<locked>>
81%
43149
69%
**46
98%
[Lovex S071]*
<<locked>>
81%
26818
43%
**59
92%
Norma 204
<<locked>>
81%
40930
66%
**26
95%
[Norma MRP]*
<<locked>>
81%
32837
53%
**15
93%
Norma URP
<<locked>>
81%
41974
67%
**66
99%
Ramshot Hunter
<<locked>>
81%
40683
65%
**46
98%
[Ramshot Magnum]*
<<locked>>
82%
29892
48%
**84
90%
ReloadSwiss RS 14
<<locked>>
81%
28456
46%
**26
100%
ReloadSwiss RS 60
<<locked>>
81%
45542
73%
**10
100%
ReloadSwiss RS 62
<<locked>>
81%
42424
68%
**95
99%
ReloadSwiss RS 70
<<locked>>
81%
40973
66%
**02
99%
[ReloadSwiss RS 76]*
<<locked>>
87%
30284
49%
**46
90%
Rottweil R 903
<<locked>>
81%
49719
80%
**61
100%
[Rottweil R 904]*
<<locked>>
81%
37231
60%
**12
92%
[Rottweil R 905]*
<<locked>>
81%
34795
56%
**02
93%
Rottweil R 907
<<locked>>
81%
45919
74%
**82
98%
SNPE Vectan SP 11
<<locked>>
81%
50952
82%
**13
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
50270
81%
**43
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
44106
71%
**03
98%
Shooters World Long Rifle
<<locked>>
81%
44701
72%
**59
99%
Somchem S355
<<locked>>
81%
49516
79%
**44
100%
[Somchem S361]*
<<locked>>
81%
37942
61%
**98
91%
Somchem S365
<<locked>>
81%
38667
62%
**23
100%
[Somchem S385]*
<<locked>>
81%
35462
57%
**98
94%
Vihtavuori N135
<<locked>>
81%
48414
78%
**49
100%
Vihtavuori N150
<<locked>>
81%
42859
69%
**90
100%
Vihtavuori N160
<<locked>>
81%
45440
73%
**92
100%
[Vihtavuori N165]*
<<locked>>
81%
29791
48%
**31
91%
Vihtavuori N550
<<locked>>
81%
45818
73%
**35
100%
Vihtavuori N555
<<locked>>
81%
33707
54%
**08
98%
[Vihtavuori N560]*
<<locked>>
85%
35694
57%
**74
90%
[Vihtavuori N565]*
<<locked>>
89%
34606
55%
**31
90%
Winchester 6.5 StaBALL
<<locked>>
81%
42525
68%
**23
100%
Winchester 760
<<locked>>
81%
48225
77%
**90
98%
Winchester StaBALL HD
<<locked>>
81%
24279
39%
**00
97%

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.

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