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Load data for .260 Ackley Improved + .264 | 140gr | Hornady GMX

Recommended Powder(s):

.260 Ackley Improved + .264 | 140gr | Hornady GMX

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.264 | 140gr | Hornady GMX
Manufacturer SKU:
26336
Bullet Weight:
140gr | 9.1g
Bullet Diameter:
0.264" | 6.71mm
Bullet Length:
<<locked>>
Caliber:
.260 Ackley Improved load data
Case Length (l3):
2.030" | 51.6mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
56.0 Grains of Water | 3.64 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B10922_C995
Last updated:
2026-07-02

Load data for 214 loads in caliber .260 Ackley Improved with .264 | 140gr | Hornady GMX bullet and 107 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".

  • No data yet

  • 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>>
86%
55898
90%
**71
100%
ADI AR 2208
<<locked>>
91%
55042
88%
**41
100%
ADI AR 2209
<<locked>>
96%
44817
72%
**59
95%
ADI Benchmark 8208
<<locked>>
85%
55912
90%
**31
100%
Accurate 2015
<<locked>>
83%
55085
88%
**43
100%
Accurate 2495
<<locked>>
88%
55463
89%
**92
100%
Accurate 2520
<<locked>>
83%
55201
89%
**31
100%
Accurate 2700
<<locked>>
89%
55898
90%
**15
98%
Accurate 3100
<<locked>>
97%
37826
61%
**25
96%
Accurate 4064
<<locked>>
90%
54679
88%
**28
100%
Accurate 4350 👍
<<locked>>
97%
53359
86%
**00
100%
Alliant AR-Comp
<<locked>>
84%
55956
90%
**92
100%
Alliant Power Pro 2000-MR
<<locked>>
88%
55651
89%
**89
100%
Alliant Reloder- TS 15.5
<<locked>>
91%
55622
89%
**74
100%
Alliant Reloder-15
<<locked>>
89%
55796
89%
**87
100%
Alliant Reloder-16 👍
<<locked>>
97%
50836
82%
**94
100%
Alliant Reloder-17
<<locked>>
95%
55999
90%
**85
100%
Alliant Reloder-19
<<locked>>
97%
44614
72%
**62
95%
[Alliant Reloder-22]*
<<locked>>
97%
38783
62%
**90
93%
Alliant Reloder-23
<<locked>>
96%
36042
58%
**44
99%
[Alliant Reloder-25]*
<<locked>>
96%
31662
51%
**29
93%
Alliant Reloder-26
<<locked>>
97%
39972
64%
**89
98%
Baschieri & Pellagri 107
<<locked>>
86%
55347
89%
**80
100%
Bofors RP3
<<locked>>
91%
56072
90%
**87
100%
[Bofors RP5]*
<<locked>>
97%
38783
62%
**90
93%
Bofors RP7
<<locked>>
95%
56072
90%
**64
98%
Hodgdon BL-C2
<<locked>>
85%
55259
89%
**61
100%
Hodgdon Benchmark
<<locked>>
83%
55405
89%
**85
100%
Hodgdon H380 👍
<<locked>>
90%
55274
89%
**80
100%
Hodgdon H414
<<locked>>
97%
55796
89%
**40
99%
Hodgdon H4350
<<locked>>
94%
55608
89%
**94
98%
Hodgdon H4895
<<locked>>
85%
55158
88%
**64
100%
Hodgdon Hybrid 100V
<<locked>>
97%
47659
76%
**82
100%
Hodgdon LEVERevolution
<<locked>>
88%
55898
90%
**07
100%
Hodgdon Superformance
<<locked>>
96%
55245
89%
**62
98%
Hodgdon TrailBoss
<<locked>>
96%
33721
54%
**68
100%
Hodgdon VARGET
<<locked>>
87%
55361
89%
**51
100%
IMR 3031
<<locked>>
86%
55999
90%
**44
100%
IMR 4064
<<locked>>
89%
55390
89%
**38
100%
IMR 4166 Enduron
<<locked>>
87%
55332
89%
**25
99%
IMR 4350
<<locked>>
96%
51851
83%
**25
98%
IMR 4451 Enduron
<<locked>>
93%
55027
88%
**48
98%
IMR 4831
<<locked>>
96%
49734
80%
**28
100%
IMR 4895
<<locked>>
88%
55811
89%
**97
100%
[IMR 4955 Enduron]*
<<locked>>
96%
44817
72%
**00
93%
IMR 8208 XBR
<<locked>>
85%
55912
90%
**31
100%
Lovex D073.6
<<locked>>
86%
55492
89%
**38
100%
Lovex S060
<<locked>>
86%
55767
89%
**05
100%
Lovex S062
<<locked>>
90%
55985
90%
**44
100%
Lovex S065
<<locked>>
96%
54969
88%
**51
99%
Lovex S070
<<locked>>
97%
53708
86%
**57
99%
[Lovex S071]*
<<locked>>
96%
30806
49%
**74
93%
Norma 201
<<locked>>
87%
55767
89%
**31
100%
Norma 202
<<locked>>
86%
55259
89%
**15
100%
Norma 203B
<<locked>>
89%
54969
88%
**74
100%
Norma 204
<<locked>>
96%
52083
84%
**64
96%
Norma MRP
<<locked>>
96%
39885
64%
**43
95%
Norma URP
<<locked>>
97%
51982
83%
**77
100%
Ramshot Big Game
<<locked>>
89%
55085
88%
**90
100%
Ramshot Hunter
<<locked>>
96%
50372
81%
**74
99%
Ramshot TAC
<<locked>>
85%
55985
90%
**57
100%
Ramshot Wild Boar
<<locked>>
84%
55114
88%
**64
100%
ReloadSwiss RS 14
<<locked>>
96%
34301
55%
**08
100%
ReloadSwiss RS 50
<<locked>>
90%
55419
89%
**57
99%
ReloadSwiss RS 52
<<locked>>
86%
55622
89%
**40
100%
ReloadSwiss RS 60
<<locked>>
93%
55434
89%
**72
100%
ReloadSwiss RS 62 👍
<<locked>>
96%
51982
83%
**07
100%
ReloadSwiss RS 70
<<locked>>
97%
52460
84%
**40
100%
Rottweil R 901
<<locked>>
84%
55419
89%
**95
100%
Rottweil R 902
<<locked>>
88%
55753
89%
**21
100%
Rottweil R 903
<<locked>>
93%
55492
89%
**67
100%
[Rottweil R 904]*
<<locked>>
96%
46543
75%
**36
94%
Rottweil R 905
<<locked>>
97%
43250
69%
**39
95%
Rottweil R 907
<<locked>>
95%
56072
90%
**64
98%
SNPE Vectan SP 11
<<locked>>
92%
56014
90%
**13
100%
SNPE Vectan SP 7
<<locked>>
85%
55129
88%
**48
100%
SNPE Vectan SP 9
<<locked>>
86%
55143
88%
**57
100%
SNPE Vectan Tubal 3000
<<locked>>
86%
55434
89%
**46
100%
SNPE Vectan Tubal 5000
<<locked>>
92%
55956
90%
**49
100%
SNPE Vectan Tubal 7000
<<locked>>
96%
55100
88%
**02
99%
SNPE Vectan Tubal 8000
<<locked>>
97%
42859
69%
**39
95%
Shooters World Long Rifle
<<locked>>
96%
54969
88%
**51
99%
Shooters World Match Rifle
<<locked>>
86%
55492
89%
**38
100%
Shooters World Precision
<<locked>>
90%
55985
90%
**44
100%
Shooters World SW4350
<<locked>>
97%
53708
86%
**57
99%
Somchem S335
<<locked>>
86%
55448
89%
**52
100%
Somchem S341
<<locked>>
85%
55013
88%
**35
100%
Somchem S355
<<locked>>
93%
55463
89%
**64
100%
[Somchem S361]*
<<locked>>
97%
48399
78%
**36
93%
Somchem S365
<<locked>>
96%
46282
74%
**28
100%
Somchem S385
<<locked>>
97%
43961
70%
**26
96%
Vihtavuori N133
<<locked>>
86%
55883
90%
**30
100%
Vihtavuori N135
<<locked>>
90%
56072
90%
**89
100%
Vihtavuori N140
<<locked>>
88%
55288
89%
**89
100%
Vihtavuori N150
<<locked>>
94%
55013
88%
**18
100%
Vihtavuori N160 👍
<<locked>>
97%
55245
89%
**84
100%
[Vihtavuori N165]*
<<locked>>
97%
37855
61%
**95
93%
Vihtavuori N530
<<locked>>
84%
55405
89%
**21
100%
Vihtavuori N540
<<locked>>
89%
55303
89%
**08
100%
Vihtavuori N550
<<locked>>
97%
53650
86%
**80
100%
Vihtavuori N555
<<locked>>
97%
39668
64%
**16
99%
Winchester 6.5 StaBALL
<<locked>>
96%
54505
87%
**51
100%
Winchester 748
<<locked>>
84%
55317
89%
**61
100%
Winchester 760
<<locked>>
96%
55796
89%
**40
99%
Winchester StaBALL HD
<<locked>>
96%
31879
51%
**38
99%
Winchester StaBALL Match
<<locked>>
86%
54955
88%
**61
100%
[Winchester Supreme 780]*
<<locked>>
97%
40524
65%
**51
93%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
47616
76%
**49
100%
ADI AR 2208
<<locked>>
81%
40669
65%
**11
99%
[ADI AR 2209]*
<<locked>>
88%
34519
55%
**36
90%
ADI Benchmark 8208
<<locked>>
81%
49748
80%
**46
100%
Accurate 2015
<<locked>>
81%
51343
82%
**93
100%
Accurate 2495
<<locked>>
81%
43424
70%
**28
100%
Accurate 2520
<<locked>>
81%
51532
83%
**82
100%
Accurate 2700
<<locked>>
81%
43221
69%
**18
95%
[Accurate 3100]*
<<locked>>
86%
25788
41%
**39
90%
Accurate 4064
<<locked>>
81%
41118
66%
**28
100%
Accurate 4350
<<locked>>
81%
30240
48%
**67
95%
Alliant AR-Comp
<<locked>>
81%
50749
81%
**26
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
43700
70%
**92
99%
Alliant Reloder- TS 15.5
<<locked>>
81%
39885
64%
**21
100%
Alliant Reloder-15
<<locked>>
81%
43004
69%
**87
99%
Alliant Reloder-16
<<locked>>
81%
31009
50%
**87
95%
Alliant Reloder-17
<<locked>>
81%
34679
56%
**11
99%
[Alliant Reloder-19]*
<<locked>>
87%
33141
53%
**16
90%
[Alliant Reloder-22]*
<<locked>>
93%
33736
54%
**75
90%
[Alliant Reloder-23]*
<<locked>>
81%
22089
35%
**44
91%
[Alliant Reloder-25]*
<<locked>>
92%
27702
44%
**18
90%
[Alliant Reloder-26]*
<<locked>>
84%
25991
42%
**15
91%
Baschieri & Pellagri 107
<<locked>>
81%
47108
76%
**56
99%
Bofors RP3
<<locked>>
81%
39958
64%
**34
100%
[Bofors RP5]*
<<locked>>
93%
33736
54%
**75
90%
[Bofors RP7]*
<<locked>>
81%
35766
57%
**03
93%
Hodgdon BL-C2
<<locked>>
81%
49037
79%
**79
100%
Hodgdon Benchmark
<<locked>>
81%
51750
83%
**39
100%
Hodgdon H380
<<locked>>
81%
40553
65%
**38
98%
[Hodgdon H414]*
<<locked>>
81%
32909
53%
**23
93%
[Hodgdon H4350]*
<<locked>>
81%
36506
59%
**52
92%
Hodgdon H4895
<<locked>>
81%
48066
77%
**52
100%
Hodgdon Hybrid 100V
<<locked>>
81%
28413
46%
**98
96%
Hodgdon LEVERevolution
<<locked>>
81%
44208
71%
**33
100%
[Hodgdon Superformance]*
<<locked>>
81%
32126
52%
**16
91%
Hodgdon TrailBoss
<<locked>>
85%
28747
46%
**76
100%
Hodgdon VARGET
<<locked>>
81%
46093
74%
**07
100%
IMR 3031
<<locked>>
81%
48283
77%
**43
100%
IMR 4064
<<locked>>
81%
42656
68%
**41
99%
IMR 4166 Enduron
<<locked>>
81%
44991
72%
**57
97%
[IMR 4350]*
<<locked>>
81%
31763
51%
**38
91%
[IMR 4451 Enduron]*
<<locked>>
81%
37217
60%
**36
94%
IMR 4831
<<locked>>
81%
29805
48%
**38
95%
IMR 4895
<<locked>>
81%
44135
71%
**13
100%
[IMR 4955 Enduron]*
<<locked>>
91%
38261
61%
**69
90%
IMR 8208 XBR
<<locked>>
81%
49748
80%
**46
100%
Lovex D073.6
<<locked>>
81%
46934
75%
**26
100%
Lovex S060
<<locked>>
81%
47572
76%
**84
100%
Lovex S062
<<locked>>
81%
42264
68%
**38
100%
Lovex S065
<<locked>>
81%
34592
55%
**87
95%
[Lovex S070]*
<<locked>>
81%
32808
53%
**67
93%
[Lovex S071]*
<<locked>>
91%
25788
41%
**39
90%
Norma 201
<<locked>>
81%
46325
74%
**93
100%
Norma 202
<<locked>>
81%
46789
75%
**97
100%
Norma 203B
<<locked>>
81%
42482
68%
**77
99%
[Norma 204]*
<<locked>>
84%
33968
54%
**20
90%
[Norma MRP]*
<<locked>>
88%
30066
48%
**06
90%
Norma URP
<<locked>>
81%
31082
50%
**80
95%
Ramshot Big Game
<<locked>>
81%
42351
68%
**97
99%
[Ramshot Hunter]*
<<locked>>
81%
30110
48%
**51
92%
Ramshot TAC
<<locked>>
81%
50067
80%
**66
99%
Ramshot Wild Boar
<<locked>>
81%
49342
79%
**75
100%
ReloadSwiss RS 14
<<locked>>
81%
27485
44%
**76
100%
ReloadSwiss RS 50
<<locked>>
81%
41118
66%
**21
96%
ReloadSwiss RS 52
<<locked>>
81%
45759
73%
**92
100%
ReloadSwiss RS 60
<<locked>>
81%
36912
59%
**67
100%
ReloadSwiss RS 62
<<locked>>
81%
30240
48%
**87
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
30501
49%
**90
93%
Rottweil R 901
<<locked>>
81%
50517
81%
**23
100%
Rottweil R 902
<<locked>>
81%
44121
71%
**48
100%
Rottweil R 903
<<locked>>
81%
37362
60%
**82
99%
[Rottweil R 904]*
<<locked>>
89%
36709
59%
**52
90%
[Rottweil R 905]*
<<locked>>
88%
32358
52%
**06
90%
[Rottweil R 907]*
<<locked>>
81%
35766
57%
**03
93%
SNPE Vectan SP 11
<<locked>>
81%
38377
62%
**25
99%
SNPE Vectan SP 7
<<locked>>
81%
47877
77%
**39
99%
SNPE Vectan SP 9
<<locked>>
81%
45977
74%
**16
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
47993
77%
**48
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
39987
64%
**23
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
33852
54%
**38
93%
[SNPE Vectan Tubal 8000]*
<<locked>>
89%
32895
53%
**20
90%
Shooters World Long Rifle
<<locked>>
81%
34592
55%
**87
95%
Shooters World Match Rifle
<<locked>>
81%
46934
75%
**26
100%
Shooters World Precision
<<locked>>
81%
42264
68%
**38
100%
[Shooters World SW4350]*
<<locked>>
81%
32808
53%
**67
93%
Somchem S335
<<locked>>
81%
47268
76%
**41
100%
Somchem S341
<<locked>>
81%
47906
77%
**39
100%
Somchem S355
<<locked>>
81%
38087
61%
**79
99%
[Somchem S361]*
<<locked>>
91%
39262
63%
**75
90%
Somchem S365
<<locked>>
81%
27673
44%
**31
97%
[Somchem S385]*
<<locked>>
85%
29747
48%
**28
90%
Vihtavuori N133
<<locked>>
81%
48356
78%
**38
100%
Vihtavuori N135
<<locked>>
81%
41771
67%
**95
100%
Vihtavuori N140
<<locked>>
81%
44701
72%
**38
100%
Vihtavuori N150
<<locked>>
81%
36477
58%
**23
100%
Vihtavuori N160
<<locked>>
81%
32343
52%
**80
96%
[Vihtavuori N165]*
<<locked>>
91%
31314
50%
**47
90%
Vihtavuori N530
<<locked>>
81%
50473
81%
**52
100%
Vihtavuori N540
<<locked>>
81%
42830
69%
**34
100%
Vihtavuori N550
<<locked>>
81%
31763
51%
**83
95%
[Vihtavuori N555]*
<<locked>>
81%
23554
38%
**19
92%
Winchester 6.5 StaBALL
<<locked>>
81%
32169
52%
**60
98%
Winchester 748
<<locked>>
81%
50241
81%
**95
100%
[Winchester 760]*
<<locked>>
81%
32909
53%
**23
93%
[Winchester StaBALL HD]*
<<locked>>
85%
22118
35%
**90
90%
Winchester StaBALL Match
<<locked>>
81%
45571
73%
**23
100%
[Winchester Supreme 780]*
<<locked>>
92%
34127
55%
**16
91%

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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