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

Recommended Powder(s):

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

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.264 | 140gr | Hornady ECX
Manufacturer SKU:
263364
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_B1386_C995
Last updated:
2026-07-02

Load data for 214 loads in caliber .260 Ackley Improved with .264 | 140gr | Hornady ECX 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>>
85%
54984
88%
**54
100%
ADI AR 2208
<<locked>>
91%
55956
90%
**57
100%
ADI AR 2209
<<locked>>
96%
44962
72%
**59
95%
ADI Benchmark 8208
<<locked>>
84%
54897
88%
**21
100%
Accurate 2015
<<locked>>
83%
55521
89%
**46
100%
Accurate 2495
<<locked>>
88%
55912
90%
**95
100%
Accurate 2520
<<locked>>
83%
55593
89%
**31
100%
Accurate 2700
<<locked>>
88%
54911
88%
**05
98%
Accurate 3100
<<locked>>
97%
38116
61%
**34
96%
Accurate 4064
<<locked>>
90%
55085
88%
**31
100%
Accurate 4350 👍
<<locked>>
97%
53577
86%
**00
100%
Alliant AR-Comp
<<locked>>
83%
54955
88%
**82
100%
Alliant Power Pro 2000-MR
<<locked>>
88%
55419
89%
**82
100%
Alliant Reloder- TS 15.5
<<locked>>
91%
55985
90%
**74
100%
Alliant Reloder-15
<<locked>>
89%
56014
90%
**94
100%
Alliant Reloder-16 👍
<<locked>>
97%
51155
82%
**97
100%
Alliant Reloder-17
<<locked>>
94%
54853
88%
**72
100%
Alliant Reloder-19
<<locked>>
97%
44875
72%
**66
95%
[Alliant Reloder-22]*
<<locked>>
97%
38595
62%
**90
93%
Alliant Reloder-23
<<locked>>
97%
36303
58%
**54
99%
[Alliant Reloder-25]*
<<locked>>
96%
31865
51%
**43
93%
Alliant Reloder-26
<<locked>>
97%
40219
64%
**98
98%
Baschieri & Pellagri 107
<<locked>>
86%
55405
89%
**87
100%
Bofors RP3
<<locked>>
91%
55825
90%
**80
100%
[Bofors RP5]*
<<locked>>
97%
38595
62%
**90
93%
Bofors RP7
<<locked>>
94%
55114
88%
**44
98%
Hodgdon BL-C2
<<locked>>
85%
56072
90%
**74
100%
Hodgdon Benchmark
<<locked>>
83%
55100
88%
**85
100%
Hodgdon H380
<<locked>>
90%
55637
89%
**80
100%
Hodgdon H414
<<locked>>
97%
56115
90%
**46
99%
Hodgdon H4350
<<locked>>
94%
55230
89%
**84
98%
Hodgdon H4895
<<locked>>
85%
55535
89%
**64
100%
Hodgdon Hybrid 100V
<<locked>>
97%
47993
77%
**89
100%
Hodgdon LEVERevolution
<<locked>>
87%
54969
88%
**00
100%
Hodgdon Superformance
<<locked>>
96%
55361
89%
**69
99%
Hodgdon TrailBoss
<<locked>>
96%
33576
54%
**68
100%
Hodgdon VARGET
<<locked>>
87%
55767
89%
**51
100%
IMR 3031
<<locked>>
85%
55651
89%
**44
100%
IMR 4064
<<locked>>
89%
55201
89%
**38
100%
IMR 4166 Enduron
<<locked>>
87%
55666
89%
**31
99%
IMR 4350
<<locked>>
96%
52156
84%
**25
98%
IMR 4451 Enduron
<<locked>>
93%
55332
89%
**54
99%
IMR 4831
<<locked>>
97%
50778
81%
**41
100%
IMR 4895
<<locked>>
88%
54853
88%
**87
100%
[IMR 4955 Enduron]*
<<locked>>
96%
45063
72%
**03
93%
IMR 8208 XBR
<<locked>>
84%
54897
88%
**21
100%
Lovex D073.6
<<locked>>
86%
55883
90%
**48
100%
Lovex S060
<<locked>>
86%
55999
90%
**12
100%
Lovex S062
<<locked>>
89%
55027
88%
**35
100%
Lovex S065
<<locked>>
96%
55172
88%
**51
99%
Lovex S070
<<locked>>
97%
54607
88%
**67
99%
[Lovex S071]*
<<locked>>
96%
30966
50%
**77
93%
Norma 201
<<locked>>
86%
54940
88%
**21
100%
Norma 202
<<locked>>
86%
55361
89%
**15
100%
Norma 203B
<<locked>>
89%
55201
89%
**80
100%
Norma 204
<<locked>>
96%
52388
84%
**64
97%
Norma MRP
<<locked>>
96%
40001
64%
**49
95%
Norma URP 👍
<<locked>>
97%
52881
85%
**94
100%
Ramshot Big Game
<<locked>>
89%
55854
90%
**07
100%
Ramshot Hunter
<<locked>>
96%
50676
81%
**74
99%
Ramshot TAC
<<locked>>
84%
55622
89%
**57
100%
Ramshot Wild Boar
<<locked>>
84%
55477
89%
**67
100%
ReloadSwiss RS 14
<<locked>>
96%
34142
55%
**08
100%
ReloadSwiss RS 50
<<locked>>
90%
55608
89%
**64
99%
ReloadSwiss RS 52
<<locked>>
87%
55738
89%
**46
100%
ReloadSwiss RS 60
<<locked>>
93%
55782
89%
**82
100%
ReloadSwiss RS 62 👍
<<locked>>
96%
52301
84%
**07
100%
ReloadSwiss RS 70
<<locked>>
96%
52040
83%
**36
100%
Rottweil R 901
<<locked>>
84%
55724
89%
**95
100%
Rottweil R 902
<<locked>>
88%
54781
88%
**12
100%
Rottweil R 903
<<locked>>
93%
55085
88%
**64
100%
[Rottweil R 904]*
<<locked>>
97%
46688
75%
**43
94%
Rottweil R 905
<<locked>>
97%
43540
70%
**49
95%
Rottweil R 907
<<locked>>
94%
55114
88%
**44
98%
SNPE Vectan SP 11
<<locked>>
91%
55056
88%
**97
100%
SNPE Vectan SP 7
<<locked>>
85%
55492
89%
**51
100%
SNPE Vectan SP 9
<<locked>>
87%
55477
89%
**57
100%
SNPE Vectan Tubal 3000
<<locked>>
86%
55883
90%
**49
100%
SNPE Vectan Tubal 5000
<<locked>>
91%
55056
88%
**39
100%
SNPE Vectan Tubal 7000
<<locked>>
96%
55883
90%
**18
99%
SNPE Vectan Tubal 8000
<<locked>>
97%
43149
69%
**43
95%
Shooters World Long Rifle
<<locked>>
96%
55172
88%
**51
99%
Shooters World Match Rifle
<<locked>>
86%
55883
90%
**48
100%
Shooters World Precision
<<locked>>
89%
55027
88%
**35
100%
Shooters World SW4350
<<locked>>
97%
54607
88%
**67
99%
Somchem S335
<<locked>>
86%
55840
90%
**59
100%
Somchem S341
<<locked>>
85%
55361
89%
**44
100%
Somchem S355
<<locked>>
93%
55840
90%
**71
100%
[Somchem S361]*
<<locked>>
96%
48167
77%
**36
93%
Somchem S365
<<locked>>
96%
46615
75%
**28
100%
Somchem S385
<<locked>>
97%
43613
70%
**23
96%
Vihtavuori N133
<<locked>>
86%
56028
90%
**36
100%
Vihtavuori N135
<<locked>>
90%
55071
88%
**79
100%
Vihtavuori N140
<<locked>>
88%
56115
90%
**98
100%
Vihtavuori N150
<<locked>>
94%
55970
90%
**28
100%
Vihtavuori N160 👍
<<locked>>
97%
55593
89%
**90
100%
[Vihtavuori N165]*
<<locked>>
97%
37985
61%
**02
93%
Vihtavuori N530
<<locked>>
84%
55187
88%
**21
100%
Vihtavuori N540
<<locked>>
89%
55651
89%
**15
100%
Vihtavuori N550
<<locked>>
97%
53809
86%
**87
100%
Vihtavuori N555
<<locked>>
96%
39479
63%
**16
99%
Winchester 6.5 StaBALL
<<locked>>
97%
54766
88%
**57
100%
Winchester 748
<<locked>>
84%
54984
88%
**61
100%
Winchester 760
<<locked>>
97%
56115
90%
**46
99%
Winchester StaBALL HD
<<locked>>
96%
31966
51%
**41
99%
Winchester StaBALL Match
<<locked>>
86%
55303
89%
**64
100%
[Winchester Supreme 780]*
<<locked>>
97%
40654
65%
**57
93%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
47863
77%
**49
100%
ADI AR 2208
<<locked>>
81%
40437
65%
**08
99%
[ADI AR 2209]*
<<locked>>
88%
34766
56%
**49
91%
ADI Benchmark 8208
<<locked>>
81%
50111
80%
**56
100%
Accurate 2015
<<locked>>
81%
51663
83%
**97
100%
Accurate 2495
<<locked>>
81%
43859
70%
**34
100%
Accurate 2520
<<locked>>
81%
51779
83%
**82
100%
Accurate 2700
<<locked>>
81%
43540
70%
**25
95%
[Accurate 3100]*
<<locked>>
86%
25962
42%
**42
90%
Accurate 4064
<<locked>>
81%
41408
66%
**31
100%
Accurate 4350
<<locked>>
81%
30560
49%
**74
95%
Alliant AR-Comp
<<locked>>
81%
51082
82%
**33
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
43555
70%
**92
99%
Alliant Reloder- TS 15.5
<<locked>>
81%
40190
64%
**31
100%
Alliant Reloder-15
<<locked>>
81%
43352
70%
**90
99%
Alliant Reloder-16
<<locked>>
81%
31096
50%
**93
95%
Alliant Reloder-17
<<locked>>
81%
34954
56%
**15
99%
[Alliant Reloder-19]*
<<locked>>
88%
33199
53%
**13
90%
[Alliant Reloder-22]*
<<locked>>
92%
33475
54%
**69
90%
[Alliant Reloder-23]*
<<locked>>
81%
22234
36%
**51
91%
[Alliant Reloder-25]*
<<locked>>
92%
27731
44%
**18
90%
[Alliant Reloder-26]*
<<locked>>
84%
25599
41%
**05
90%
Baschieri & Pellagri 107
<<locked>>
81%
47195
76%
**62
99%
Bofors RP3
<<locked>>
81%
39784
64%
**34
100%
[Bofors RP5]*
<<locked>>
92%
33475
54%
**69
90%
[Bofors RP7]*
<<locked>>
81%
36071
58%
**10
93%
Hodgdon BL-C2
<<locked>>
81%
48878
78%
**72
100%
Hodgdon Benchmark
<<locked>>
81%
51459
83%
**33
100%
Hodgdon H380
<<locked>>
81%
40886
66%
**41
98%
[Hodgdon H414]*
<<locked>>
81%
33185
53%
**29
93%
[Hodgdon H4350]*
<<locked>>
81%
36274
58%
**49
92%
Hodgdon H4895
<<locked>>
81%
48327
77%
**62
100%
Hodgdon Hybrid 100V
<<locked>>
81%
28689
46%
**05
96%
Hodgdon LEVERevolution
<<locked>>
81%
44425
71%
**39
100%
[Hodgdon Superformance]*
<<locked>>
81%
32271
52%
**16
91%
Hodgdon TrailBoss
<<locked>>
87%
29617
47%
**96
100%
Hodgdon VARGET
<<locked>>
81%
46209
74%
**13
100%
IMR 3031
<<locked>>
81%
48008
77%
**39
100%
IMR 4064
<<locked>>
81%
42525
68%
**38
99%
IMR 4166 Enduron
<<locked>>
81%
45223
73%
**67
97%
[IMR 4350]*
<<locked>>
81%
32024
51%
**44
91%
[IMR 4451 Enduron]*
<<locked>>
81%
37507
60%
**39
94%
IMR 4831
<<locked>>
81%
29602
47%
**34
95%
IMR 4895
<<locked>>
81%
44498
71%
**23
100%
[IMR 4955 Enduron]*
<<locked>>
91%
38406
62%
**75
90%
IMR 8208 XBR
<<locked>>
81%
50111
80%
**56
100%
Lovex D073.6
<<locked>>
81%
47326
76%
**30
100%
Lovex S060
<<locked>>
81%
47819
77%
**90
100%
Lovex S062
<<locked>>
81%
42641
68%
**41
100%
Lovex S065
<<locked>>
81%
34693
56%
**93
95%
[Lovex S070]*
<<locked>>
81%
32677
52%
**64
93%
[Lovex S071]*
<<locked>>
91%
25962
42%
**42
90%
Norma 201
<<locked>>
81%
46702
75%
**00
100%
Norma 202
<<locked>>
81%
47050
75%
**03
100%
Norma 203B
<<locked>>
81%
42612
68%
**84
99%
[Norma 204]*
<<locked>>
83%
33344
53%
**03
90%
[Norma MRP]*
<<locked>>
88%
30298
49%
**10
90%
Norma URP
<<locked>>
81%
30966
50%
**80
95%
Ramshot Big Game
<<locked>>
81%
42206
68%
**97
99%
[Ramshot Hunter]*
<<locked>>
81%
30269
49%
**60
92%
Ramshot TAC
<<locked>>
81%
49763
80%
**66
99%
Ramshot Wild Boar
<<locked>>
81%
49443
79%
**82
100%
ReloadSwiss RS 14
<<locked>>
83%
28297
45%
**96
100%
ReloadSwiss RS 50
<<locked>>
81%
41205
66%
**28
96%
ReloadSwiss RS 52
<<locked>>
81%
45905
74%
**92
100%
ReloadSwiss RS 60
<<locked>>
81%
37217
60%
**77
100%
ReloadSwiss RS 62
<<locked>>
81%
30501
49%
**93
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
30371
49%
**90
93%
Rottweil R 901
<<locked>>
81%
50691
81%
**33
100%
Rottweil R 902
<<locked>>
81%
44382
71%
**57
100%
Rottweil R 903
<<locked>>
81%
37217
60%
**79
99%
[Rottweil R 904]*
<<locked>>
89%
36970
59%
**56
90%
[Rottweil R 905]*
<<locked>>
88%
32518
52%
**10
90%
[Rottweil R 907]*
<<locked>>
81%
36071
58%
**10
93%
SNPE Vectan SP 11
<<locked>>
81%
38580
62%
**31
99%
SNPE Vectan SP 7
<<locked>>
81%
48211
77%
**43
99%
SNPE Vectan SP 9
<<locked>>
81%
46195
74%
**23
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
48327
77%
**51
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
40205
64%
**26
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
33808
54%
**38
93%
[SNPE Vectan Tubal 8000]*
<<locked>>
88%
32256
52%
**10
90%
Shooters World Long Rifle
<<locked>>
81%
34693
56%
**93
95%
Shooters World Match Rifle
<<locked>>
81%
47326
76%
**30
100%
Shooters World Precision
<<locked>>
81%
42641
68%
**41
100%
[Shooters World SW4350]*
<<locked>>
81%
32677
52%
**64
93%
Somchem S335
<<locked>>
81%
47630
76%
**51
100%
Somchem S341
<<locked>>
81%
48124
77%
**39
100%
Somchem S355
<<locked>>
81%
38319
61%
**88
99%
[Somchem S361]*
<<locked>>
90%
38957
62%
**72
90%
Somchem S365
<<locked>>
81%
27847
45%
**41
98%
[Somchem S385]*
<<locked>>
85%
29617
47%
**24
90%
Vihtavuori N133
<<locked>>
81%
48747
78%
**41
100%
Vihtavuori N135
<<locked>>
81%
42047
67%
**98
100%
Vihtavuori N140
<<locked>>
81%
44541
71%
**38
100%
Vihtavuori N150
<<locked>>
81%
36332
58%
**23
100%
Vihtavuori N160
<<locked>>
81%
32532
52%
**83
96%
[Vihtavuori N165]*
<<locked>>
91%
31444
50%
**51
90%
Vihtavuori N530
<<locked>>
81%
50038
80%
**49
100%
Vihtavuori N540
<<locked>>
81%
43178
69%
**38
100%
Vihtavuori N550
<<locked>>
81%
32039
51%
**87
95%
[Vihtavuori N555]*
<<locked>>
81%
23366
37%
**13
92%
Winchester 6.5 StaBALL
<<locked>>
81%
32227
52%
**67
98%
Winchester 748
<<locked>>
81%
49922
80%
**92
100%
[Winchester 760]*
<<locked>>
81%
33185
53%
**29
93%
[Winchester StaBALL HD]*
<<locked>>
86%
22756
36%
**10
91%
Winchester StaBALL Match
<<locked>>
81%
45919
74%
**26
100%
[Winchester Supreme 780]*
<<locked>>
91%
33547
54%
**03
90%

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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