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Load data for 6.5 mm-06 Ackley Improved + .264 | 144gr | Sierra HPBT MatchKing

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Alliant Reloder-22, Bofors RP5, Norma MRP

6.5 mm-06 Ackley Improved + .264 | 144gr | Sierra HPBT MatchKing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.264 | 144gr | Sierra HPBT MatchKing
Manufacturer SKU:
1744
Bullet Weight:
144gr | 9.3g
Bullet Diameter:
0.264" | 6.71mm
Bullet Length:
<<locked>>
Caliber:
6.5 mm-06 Ackley Improved load data
Case Length (l3):
2.489" | 63.2mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
72.0 Grains of Water | 4.68 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
64977 psi | 4480 bar
LID:
LID_B5815_C1034
Last updated:
2026-01-22
Recommended Twist Rate:
1:9 - 1:7

Load data for 154 loads in caliber 6.5 mm-06 Ackley Improved with .264 | 144gr | Sierra HPBT MatchKing bullet and 77 powders such as ADI AR 2209, Alliant Reloder-19, Alliant Reloder-22, Bofors RP5, Norma MRP. 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 2209 👍
<<locked>>
93%
57783
89%
**71
100%
ADI AR 2213
<<locked>>
96%
58276
90%
**13
99%
ADI AR 2217
<<locked>>
97%
43410
67%
**54
96%
ADI AR 2225
<<locked>>
97%
39001
60%
**21
98%
Accurate 2700
<<locked>>
84%
57957
89%
**46
100%
Accurate 3100
<<locked>>
96%
57682
89%
**08
100%
Accurate 4350
<<locked>>
87%
58407
90%
**35
100%
Accurate MAGPRO
<<locked>>
96%
58073
89%
**20
98%
Alliant Reloder-16
<<locked>>
89%
57769
89%
**61
100%
Alliant Reloder-17
<<locked>>
84%
58001
89%
**58
100%
Alliant Reloder-19 👍
<<locked>>
93%
58218
90%
**71
100%
Alliant Reloder-22 👍
<<locked>>
96%
58233
90%
**17
100%
Alliant Reloder-23
<<locked>>
97%
56463
87%
**41
100%
Alliant Reloder-25
<<locked>>
97%
49066
76%
**92
100%
Alliant Reloder-26
<<locked>>
93%
58363
90%
**49
100%
Baschieri & Pellagri 109
<<locked>>
96%
56942
88%
**31
96%
Bofors RP15
<<locked>>
97%
54302
84%
**44
99%
Bofors RP30
<<locked>>
97%
45339
70%
**33
97%
Bofors RP5 👍
<<locked>>
96%
58233
90%
**17
100%
Bofors RP7
<<locked>>
86%
57827
89%
**89
100%
Hodgdon H1000
<<locked>>
97%
43410
67%
**54
96%
Hodgdon H414
<<locked>>
84%
58349
90%
**64
100%
Hodgdon H4350
<<locked>>
91%
58015
89%
**02
100%
Hodgdon H4831
<<locked>>
97%
55042
85%
**08
98%
Hodgdon H4831 SC
<<locked>>
95%
57899
89%
**54
99%
Hodgdon Hybrid 100V
<<locked>>
90%
57522
89%
**79
100%
Hodgdon LVR
<<locked>>
86%
57798
89%
**25
100%
Hodgdon Retumbo
<<locked>>
97%
39001
60%
**21
98%
Hodgdon Superperformance
<<locked>>
86%
57638
89%
**77
100%
Hodgdon VARGET
<<locked>>
83%
58450
90%
**72
100%
Hodgdon TrailBoss
<<locked>>
97%
35650
55%
**09
100%
IMR 4064
<<locked>>
83%
58175
90%
**62
100%
IMR 4166 Enduron
<<locked>>
84%
58320
90%
**76
100%
IMR 4350
<<locked>>
89%
57841
89%
**05
100%
IMR 4451 Enduron
<<locked>>
85%
58334
90%
**02
100%
IMR 4831
<<locked>>
92%
57566
89%
**02
100%
IMR 4955 Enduron
<<locked>>
96%
58450
90%
**28
99%
IMR 7828 SSC
<<locked>>
95%
57798
89%
**20
99%
[IMR 8133 Enduron]*
<<locked>>
97%
34693
53%
**13
93%
Lovex S065
<<locked>>
87%
58305
90%
**85
100%
Lovex S070
<<locked>>
88%
57624
89%
**99
100%
Lovex S071
<<locked>>
97%
49676
76%
**94
100%
Norma 204
<<locked>>
88%
57653
89%
**44
100%
Norma 217
<<locked>>
97%
34476
53%
**33
96%
Norma MRP 👍
<<locked>>
94%
57943
89%
**33
100%
Norma URP
<<locked>>
88%
57928
89%
**25
100%
Ramshot Grand
<<locked>>
93%
57522
89%
**20
99%
Ramshot Hunter
<<locked>>
89%
58088
89%
**58
100%
Ramshot Magnum
<<locked>>
97%
58218
90%
**97
100%
ReloadSwiss RS 14
<<locked>>
97%
36347
56%
**49
100%
ReloadSwiss RS 62
<<locked>>
87%
57986
89%
**51
100%
ReloadSwiss RS 70
<<locked>>
88%
57885
89%
**97
100%
ReloadSwiss RS 76
<<locked>>
97%
47877
74%
**41
100%
ReloadSwiss RS 80
<<locked>>
97%
42946
66%
**13
95%
Rottweil R 903
<<locked>>
83%
58378
90%
**72
100%
Rottweil R 904
<<locked>>
92%
58450
90%
**31
99%
Rottweil R 905
<<locked>>
93%
58189
90%
**71
100%
Rottweil R 907
<<locked>>
86%
57827
89%
**89
100%
SNPE Vectan Tubal 5000
<<locked>>
83%
58001
89%
**41
100%
SNPE Vectan Tubal 7000
<<locked>>
87%
57740
89%
**46
100%
Shooters World Long Rifle
<<locked>>
87%
58305
90%
**85
100%
Somchem S355
<<locked>>
83%
57551
89%
**62
100%
Somchem S361
<<locked>>
92%
58436
90%
**99
99%
Somchem S365
<<locked>>
90%
58146
89%
**31
100%
Somchem S385
<<locked>>
93%
57943
89%
**31
100%
Vihtavuori N135
<<locked>>
84%
58117
89%
**71
100%
Vihtavuori N150
<<locked>>
88%
58262
90%
**30
100%
Vihtavuori N160
<<locked>>
86%
57682
89%
**85
100%
Vihtavuori N165
<<locked>>
97%
54679
84%
**72
100%
Vihtavuori N550
<<locked>>
85%
57624
89%
**28
100%
Vihtavuori N555
<<locked>>
94%
57725
89%
**51
100%
Vihtavuori N560
<<locked>>
96%
57609
89%
**23
99%
Vihtavuori N565
<<locked>>
97%
51576
79%
**15
98%
Vihtavuori N568
<<locked>>
97%
44599
69%
**30
95%
Winchester 6.5 StaBALL
<<locked>>
87%
58088
89%
**66
100%
Winchester 760
<<locked>>
84%
58349
90%
**64
100%
Winchester StaBALL HD
<<locked>>
97%
54476
84%
**23
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
39189
60%
**39
96%
[ADI AR 2213]*
<<locked>>
81%
34896
54%
**54
93%
[ADI AR 2217]*
<<locked>>
86%
30560
47%
**33
90%
[ADI AR 2225]*
<<locked>>
84%
25672
40%
**24
90%
Accurate 2700
<<locked>>
81%
53272
82%
**77
100%
Accurate 3100
<<locked>>
81%
34998
54%
**15
98%
Accurate 4350
<<locked>>
81%
47021
72%
**57
100%
[Accurate MAGPRO]*
<<locked>>
81%
34374
53%
**64
90%
Alliant Reloder-16
<<locked>>
81%
45005
69%
**64
100%
Alliant Reloder-17
<<locked>>
81%
52083
80%
**79
100%
Alliant Reloder-19
<<locked>>
81%
39189
60%
**33
96%
Alliant Reloder-22
<<locked>>
81%
34853
54%
**74
95%
Alliant Reloder-23
<<locked>>
81%
33518
52%
**34
100%
Alliant Reloder-25
<<locked>>
81%
29283
45%
**49
96%
Alliant Reloder-26
<<locked>>
81%
36753
57%
**75
99%
[Baschieri & Pellagri 109]*
<<locked>>
84%
38624
59%
**70
90%
[Bofors RP15]*
<<locked>>
81%
32677
50%
**11
93%
[Bofors RP30]*
<<locked>>
84%
29124
45%
**46
90%
Bofors RP5
<<locked>>
81%
34853
54%
**74
95%
Bofors RP7
<<locked>>
81%
49763
77%
**64
99%
[Hodgdon H1000]*
<<locked>>
86%
30560
47%
**33
90%
Hodgdon H414
<<locked>>
81%
52634
81%
**72
100%
Hodgdon H4350
<<locked>>
81%
42757
66%
**52
98%
[Hodgdon H4831]*
<<locked>>
81%
32837
51%
**65
91%
[Hodgdon H4831 SC]*
<<locked>>
81%
36579
56%
**54
93%
Hodgdon Hybrid 100V
<<locked>>
81%
42496
65%
**49
100%
Hodgdon LVR
<<locked>>
81%
49501
76%
**03
100%
[Hodgdon Retumbo]*
<<locked>>
84%
25672
40%
**24
90%
Hodgdon Superperformance
<<locked>>
81%
48254
74%
**30
99%
Hodgdon VARGET
<<locked>>
81%
54810
84%
**23
100%
Hodgdon TrailBoss
<<locked>>
91%
32677
50%
**54
100%
IMR 4064
<<locked>>
81%
54273
84%
**07
100%
IMR 4166 Enduron
<<locked>>
81%
52837
81%
**90
100%
IMR 4350
<<locked>>
81%
44918
69%
**98
99%
IMR 4451 Enduron
<<locked>>
81%
51068
79%
**84
100%
IMR 4831
<<locked>>
81%
40611
63%
**26
100%
[IMR 4955 Enduron]*
<<locked>>
81%
37159
57%
**34
93%
[IMR 7828 SSC]*
<<locked>>
81%
35679
55%
**97
93%
[IMR 8133 Enduron]*
<<locked>>
92%
29646
46%
**72
90%
Lovex S065
<<locked>>
81%
48530
75%
**38
100%
Lovex S070
<<locked>>
81%
47079
72%
**28
99%
Lovex S071
<<locked>>
81%
30124
46%
**90
96%
Norma 204
<<locked>>
81%
45179
70%
**38
98%
[Norma 217]*
<<locked>>
88%
26136
40%
**77
90%
Norma MRP
<<locked>>
81%
36361
56%
**36
97%
Norma URP
<<locked>>
81%
46238
71%
**48
100%
[Ramshot Grand]*
<<locked>>
81%
36956
57%
**33
94%
Ramshot Hunter
<<locked>>
81%
44947
69%
**41
99%
[Ramshot Magnum]*
<<locked>>
81%
32140
49%
**98
94%
ReloadSwiss RS 14
<<locked>>
86%
31169
48%
**47
100%
ReloadSwiss RS 62
<<locked>>
81%
47123
73%
**87
100%
ReloadSwiss RS 70
<<locked>>
81%
45107
69%
**00
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
27557
42%
**20
92%
[ReloadSwiss RS 80]*
<<locked>>
89%
32953
51%
**77
90%
Rottweil R 903
<<locked>>
81%
54360
84%
**17
100%
Rottweil R 904
<<locked>>
81%
40770
63%
**20
95%
Rottweil R 905
<<locked>>
81%
38667
60%
**23
96%
Rottweil R 907
<<locked>>
81%
49763
77%
**64
99%
SNPE Vectan Tubal 5000
<<locked>>
81%
54027
83%
**92
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
47819
74%
**92
99%
Shooters World Long Rifle
<<locked>>
81%
48530
75%
**38
100%
Somchem S355
<<locked>>
81%
53780
83%
**03
100%
Somchem S361
<<locked>>
81%
41408
64%
**13
95%
Somchem S365
<<locked>>
81%
42815
66%
**98
100%
Somchem S385
<<locked>>
81%
39001
60%
**00
97%
Vihtavuori N135
<<locked>>
81%
52228
80%
**95
100%
Vihtavuori N150
<<locked>>
81%
46528
72%
**62
100%
Vihtavuori N160
<<locked>>
81%
49400
76%
**71
100%
Vihtavuori N165
<<locked>>
81%
32866
51%
**52
95%
Vihtavuori N550
<<locked>>
81%
50270
77%
**20
100%
Vihtavuori N555
<<locked>>
81%
37782
58%
**13
100%
[Vihtavuori N560]*
<<locked>>
81%
35186
54%
**93
92%
[Vihtavuori N565]*
<<locked>>
81%
30400
47%
**59
90%
[Vihtavuori N568]*
<<locked>>
89%
34389
53%
**93
90%
Winchester 6.5 StaBALL
<<locked>>
81%
46543
72%
**05
100%
Winchester 760
<<locked>>
81%
52634
81%
**72
100%
Winchester StaBALL HD
<<locked>>
81%
29008
45%
**57
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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