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Load data for .260 Ackley Improved + .264 | 140gr | Lapua Naturalis

Recommended Powder(s):

.260 Ackley Improved + .264 | 140gr | Lapua Naturalis

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.264 | 140gr | Lapua Naturalis
Manufacturer SKU:
NPL6203 | N563
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_B3123_C995
Last updated:
2026-07-02

Load data for 212 loads in caliber .260 Ackley Improved with .264 | 140gr | Lapua Naturalis bullet and 106 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%
55071
88%
**67
100%
ADI AR 2208
<<locked>>
90%
54810
88%
**54
100%
ADI AR 2209
<<locked>>
96%
46340
74%
**02
95%
[ADI AR 2213]*
<<locked>>
97%
42032
67%
**30
92%
ADI Benchmark 8208
<<locked>>
83%
55187
88%
**38
100%
Accurate 2495
<<locked>>
87%
55013
88%
**92
100%
Accurate 2700
<<locked>>
88%
55970
90%
**31
98%
Accurate 3100
<<locked>>
97%
38943
62%
**54
97%
Accurate 4064
<<locked>>
89%
55332
89%
**44
100%
Accurate 4350 👍
<<locked>>
97%
54984
88%
**30
100%
Alliant Power Pro 2000-MR
<<locked>>
87%
55796
89%
**05
100%
Alliant Reloder- TS 15.5
<<locked>>
90%
55927
90%
**90
100%
Alliant Reloder-15
<<locked>>
88%
56115
90%
**03
100%
Alliant Reloder-16 👍
<<locked>>
97%
53417
86%
**46
100%
Alliant Reloder-17
<<locked>>
93%
54853
88%
**76
100%
Alliant Reloder-19
<<locked>>
97%
45774
73%
**98
96%
[Alliant Reloder-22]*
<<locked>>
97%
40248
65%
**36
94%
Alliant Reloder-23
<<locked>>
97%
37942
61%
**97
99%
[Alliant Reloder-25]*
<<locked>>
96%
32909
53%
**82
94%
Alliant Reloder-26
<<locked>>
97%
41901
67%
**38
99%
Baschieri & Pellagri 107
<<locked>>
85%
55492
89%
**97
100%
[Bofors RP15]*
<<locked>>
97%
36666
59%
**54
92%
Bofors RP3
<<locked>>
90%
55695
89%
**90
100%
[Bofors RP5]*
<<locked>>
97%
40248
65%
**36
94%
Bofors RP7
<<locked>>
94%
55434
89%
**67
98%
Hodgdon BL-C2
<<locked>>
84%
55521
89%
**74
100%
Hodgdon H380
<<locked>>
89%
55651
89%
**97
100%
Hodgdon H414
<<locked>>
95%
55753
89%
**56
99%
Hodgdon H4350
<<locked>>
93%
55027
88%
**00
98%
[Hodgdon H4831]*
<<locked>>
97%
45121
72%
**52
93%
[Hodgdon H4831 SC]*
<<locked>>
97%
44063
71%
**30
92%
Hodgdon H4895
<<locked>>
85%
55666
89%
**77
100%
Hodgdon Hybrid 100V
<<locked>>
97%
49690
80%
**25
100%
Hodgdon LEVERevolution
<<locked>>
86%
55056
88%
**07
100%
Hodgdon Superformance
<<locked>>
95%
55347
89%
**79
99%
Hodgdon TrailBoss
<<locked>>
96%
33852
54%
**85
100%
Hodgdon VARGET
<<locked>>
86%
55796
89%
**64
100%
IMR 3031
<<locked>>
85%
56028
90%
**61
100%
IMR 4064
<<locked>>
88%
55230
89%
**51
100%
IMR 4166 Enduron
<<locked>>
87%
55535
89%
**44
99%
IMR 4350
<<locked>>
96%
53708
86%
**64
98%
IMR 4451 Enduron
<<locked>>
92%
55071
88%
**64
99%
IMR 4831
<<locked>>
96%
51808
83%
**71
100%
IMR 4895
<<locked>>
87%
54897
88%
**97
100%
[IMR 4955 Enduron]*
<<locked>>
96%
46412
74%
**43
93%
IMR 8208 XBR
<<locked>>
83%
55187
88%
**38
100%
Lovex D073.6
<<locked>>
85%
55985
90%
**54
100%
Lovex S060
<<locked>>
85%
55550
89%
**12
100%
Lovex S062
<<locked>>
89%
55898
90%
**57
100%
Lovex S065
<<locked>>
95%
55201
89%
**67
100%
Lovex S070
<<locked>>
97%
55695
89%
**97
99%
[Lovex S071]*
<<locked>>
97%
32503
52%
**20
94%
Norma 201
<<locked>>
85%
55158
88%
**35
100%
Norma 202
<<locked>>
85%
55651
89%
**28
100%
Norma 203B
<<locked>>
88%
55288
89%
**90
100%
Norma 204
<<locked>>
97%
54534
87%
**13
97%
Norma MRP
<<locked>>
97%
41858
67%
**98
96%
Norma URP 👍
<<locked>>
97%
54114
87%
**17
100%
Ramshot Big Game
<<locked>>
88%
55187
88%
**03
100%
Ramshot Hunter
<<locked>>
97%
52692
84%
**17
99%
Ramshot Wild Boar
<<locked>>
83%
55651
89%
**80
100%
ReloadSwiss RS 14
<<locked>>
95%
33924
54%
**17
100%
ReloadSwiss RS 50
<<locked>>
89%
55405
89%
**71
99%
ReloadSwiss RS 52
<<locked>>
86%
56086
90%
**59
100%
ReloadSwiss RS 60
<<locked>>
92%
55695
89%
**92
100%
ReloadSwiss RS 62 👍
<<locked>>
97%
54621
88%
**49
100%
ReloadSwiss RS 70
<<locked>>
97%
54694
88%
**89
100%
Rottweil R 901
<<locked>>
83%
55347
89%
**02
100%
Rottweil R 902
<<locked>>
87%
55579
89%
**35
100%
Rottweil R 903
<<locked>>
92%
55158
88%
**80
100%
Rottweil R 904
<<locked>>
97%
48196
77%
**79
95%
Rottweil R 905
<<locked>>
97%
44425
71%
**72
95%
Rottweil R 907
<<locked>>
94%
55434
89%
**67
98%
SNPE Vectan SP 11
<<locked>>
90%
54955
88%
**10
100%
SNPE Vectan SP 7
<<locked>>
84%
55361
89%
**64
100%
SNPE Vectan SP 9
<<locked>>
86%
55405
89%
**67
100%
SNPE Vectan Tubal 3000
<<locked>>
85%
55347
89%
**56
100%
SNPE Vectan Tubal 5000
<<locked>>
91%
55724
89%
**59
100%
SNPE Vectan Tubal 7000
<<locked>>
95%
55535
89%
**28
99%
SNPE Vectan Tubal 8000
<<locked>>
97%
44005
71%
**75
95%
Shooters World Long Rifle
<<locked>>
95%
55201
89%
**67
100%
Shooters World Match Rifle
<<locked>>
85%
55985
90%
**54
100%
Shooters World Precision
<<locked>>
89%
55898
90%
**57
100%
Shooters World SW4350
<<locked>>
97%
55695
89%
**97
99%
Somchem S335
<<locked>>
85%
55927
90%
**72
100%
Somchem S341
<<locked>>
84%
55303
89%
**51
100%
Somchem S355
<<locked>>
92%
55941
90%
**80
100%
[Somchem S361]*
<<locked>>
97%
50357
81%
**85
94%
Somchem S365
<<locked>>
96%
48414
78%
**67
100%
Somchem S385
<<locked>>
97%
45672
73%
**66
97%
Vihtavuori N133
<<locked>>
85%
55738
89%
**39
100%
Vihtavuori N135
<<locked>>
89%
55854
90%
**02
100%
Vihtavuori N140
<<locked>>
87%
55129
88%
**95
100%
Vihtavuori N150
<<locked>>
93%
55782
89%
**38
100%
Vihtavuori N160
<<locked>>
96%
55288
89%
**00
100%
[Vihtavuori N165]*
<<locked>>
97%
38899
62%
**28
94%
Vihtavuori N530
<<locked>>
83%
55274
89%
**28
100%
Vihtavuori N540
<<locked>>
88%
55463
89%
**21
100%
Vihtavuori N550 👍
<<locked>>
97%
56072
90%
**30
100%
Vihtavuori N555
<<locked>>
97%
41568
67%
**62
99%
[Vihtavuori N560]*
<<locked>>
97%
42786
69%
**89
92%
Winchester 6.5 StaBALL
<<locked>>
96%
55419
89%
**77
100%
Winchester 760
<<locked>>
95%
55753
89%
**56
99%
Winchester StaBALL HD
<<locked>>
97%
33431
54%
**00
99%
Winchester StaBALL Match
<<locked>>
86%
55172
88%
**77
100%
[Winchester Supreme 780]*
<<locked>>
97%
42569
68%
**03
94%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
49327
79%
**82
100%
ADI AR 2208
<<locked>>
81%
41800
67%
**48
99%
[ADI AR 2209]*
<<locked>>
87%
33663
54%
**33
90%
[ADI AR 2213]*
<<locked>>
94%
38377
62%
**51
90%
ADI Benchmark 8208
<<locked>>
81%
51590
83%
**85
100%
Accurate 2495
<<locked>>
81%
45339
73%
**64
100%
Accurate 2700
<<locked>>
81%
44672
72%
**61
96%
[Accurate 3100]*
<<locked>>
84%
25092
40%
**29
90%
Accurate 4064
<<locked>>
81%
42931
69%
**67
100%
Accurate 4350
<<locked>>
81%
31778
51%
**13
96%
Alliant Power Pro 2000-MR
<<locked>>
81%
45237
73%
**31
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
41582
67%
**67
100%
Alliant Reloder-15
<<locked>>
81%
44672
72%
**30
100%
Alliant Reloder-16
<<locked>>
81%
32242
52%
**33
96%
Alliant Reloder-17
<<locked>>
81%
36027
58%
**48
99%
[Alliant Reloder-19]*
<<locked>>
86%
32663
52%
**13
90%
[Alliant Reloder-22]*
<<locked>>
91%
32924
53%
**65
90%
[Alliant Reloder-23]*
<<locked>>
81%
23090
37%
**90
92%
[Alliant Reloder-25]*
<<locked>>
90%
27035
43%
**08
90%
[Alliant Reloder-26]*
<<locked>>
82%
25179
40%
**95
90%
Baschieri & Pellagri 107
<<locked>>
81%
48602
78%
**89
100%
[Bofors RP15]*
<<locked>>
93%
32837
53%
**59
90%
Bofors RP3
<<locked>>
81%
41205
66%
**70
100%
[Bofors RP5]*
<<locked>>
91%
32924
53%
**65
90%
[Bofors RP7]*
<<locked>>
81%
36767
59%
**43
94%
Hodgdon BL-C2
<<locked>>
81%
50705
81%
**12
100%
Hodgdon H380
<<locked>>
81%
42177
68%
**74
98%
[Hodgdon H414]*
<<locked>>
81%
34301
55%
**62
94%
[Hodgdon H4350]*
<<locked>>
81%
37463
60%
**85
93%
[Hodgdon H4831]*
<<locked>>
93%
39276
63%
**38
90%
[Hodgdon H4831 SC]*
<<locked>>
93%
39276
63%
**38
90%
Hodgdon H4895
<<locked>>
81%
49821
80%
**95
100%
Hodgdon Hybrid 100V
<<locked>>
81%
29385
47%
**31
97%
Hodgdon LEVERevolution
<<locked>>
81%
45905
74%
**69
100%
[Hodgdon Superformance]*
<<locked>>
81%
33562
54%
**59
92%
Hodgdon TrailBoss
<<locked>>
85%
29022
47%
**93
100%
Hodgdon VARGET
<<locked>>
81%
47630
76%
**46
100%
IMR 3031
<<locked>>
81%
49835
80%
**75
100%
IMR 4064
<<locked>>
81%
43976
71%
**74
99%
IMR 4166 Enduron
<<locked>>
81%
46456
74%
**00
97%
[IMR 4350]*
<<locked>>
81%
32648
52%
**67
92%
IMR 4451 Enduron
<<locked>>
81%
38609
62%
**75
95%
IMR 4831
<<locked>>
81%
30734
49%
**74
96%
IMR 4895
<<locked>>
81%
45963
74%
**59
100%
[IMR 4955 Enduron]*
<<locked>>
90%
38072
61%
**79
90%
IMR 8208 XBR
<<locked>>
81%
51590
83%
**85
100%
Lovex D073.6
<<locked>>
81%
48791
78%
**56
100%
Lovex S060
<<locked>>
81%
48631
78%
**13
100%
Lovex S062
<<locked>>
81%
43526
70%
**70
100%
Lovex S065
<<locked>>
81%
35940
58%
**33
96%
[Lovex S070]*
<<locked>>
81%
33881
54%
**97
94%
[Lovex S071]*
<<locked>>
89%
25396
41%
**36
90%
Norma 201
<<locked>>
81%
48022
77%
**30
100%
Norma 202
<<locked>>
81%
48501
78%
**33
100%
Norma 203B
<<locked>>
81%
44034
71%
**16
100%
[Norma 204]*
<<locked>>
82%
33489
54%
**20
90%
[Norma MRP]*
<<locked>>
86%
29631
48%
**03
90%
Norma URP
<<locked>>
81%
31995
51%
**16
96%
Ramshot Big Game
<<locked>>
81%
43903
70%
**33
100%
[Ramshot Hunter]*
<<locked>>
81%
31328
50%
**00
93%
Ramshot Wild Boar
<<locked>>
81%
50908
82%
**15
100%
ReloadSwiss RS 14
<<locked>>
81%
27354
44%
**86
100%
ReloadSwiss RS 50
<<locked>>
81%
42366
68%
**57
97%
ReloadSwiss RS 52
<<locked>>
81%
47427
76%
**31
100%
ReloadSwiss RS 60
<<locked>>
81%
38348
61%
**07
100%
ReloadSwiss RS 62
<<locked>>
81%
31560
51%
**33
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
31560
51%
**36
94%
Rottweil R 901
<<locked>>
81%
51851
83%
**56
100%
Rottweil R 902
<<locked>>
81%
45411
73%
**84
100%
Rottweil R 903
<<locked>>
81%
38653
62%
**11
99%
[Rottweil R 904]*
<<locked>>
87%
35752
57%
**39
90%
[Rottweil R 905]*
<<locked>>
87%
31966
51%
**06
90%
[Rottweil R 907]*
<<locked>>
81%
36767
59%
**43
94%
SNPE Vectan SP 11
<<locked>>
81%
39842
64%
**64
99%
SNPE Vectan SP 7
<<locked>>
81%
49414
79%
**75
99%
SNPE Vectan SP 9
<<locked>>
81%
47616
76%
**52
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
49269
79%
**74
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
41118
66%
**49
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
34795
56%
**70
94%
[SNPE Vectan Tubal 8000]*
<<locked>>
87%
31691
51%
**03
90%
Shooters World Long Rifle
<<locked>>
81%
35940
58%
**33
96%
Shooters World Match Rifle
<<locked>>
81%
48791
78%
**56
100%
Shooters World Precision
<<locked>>
81%
43526
70%
**70
100%
[Shooters World SW4350]*
<<locked>>
81%
33881
54%
**97
94%
Somchem S335
<<locked>>
81%
49008
79%
**77
100%
Somchem S341
<<locked>>
81%
49414
79%
**72
100%
Somchem S355
<<locked>>
81%
39610
64%
**25
99%
[Somchem S361]*
<<locked>>
89%
38551
62%
**75
90%
Somchem S365
<<locked>>
81%
28485
46%
**67
98%
[Somchem S385]*
<<locked>>
84%
29240
47%
**21
90%
Vihtavuori N133
<<locked>>
81%
49748
80%
**64
100%
Vihtavuori N135
<<locked>>
81%
43105
69%
**25
100%
Vihtavuori N140
<<locked>>
81%
45788
73%
**67
100%
Vihtavuori N150
<<locked>>
81%
37666
60%
**59
100%
Vihtavuori N160
<<locked>>
81%
33750
54%
**23
96%
[Vihtavuori N165]*
<<locked>>
90%
30966
50%
**47
90%
Vihtavuori N530
<<locked>>
81%
51503
83%
**79
100%
Vihtavuori N540
<<locked>>
81%
44454
71%
**70
100%
Vihtavuori N550
<<locked>>
81%
33170
53%
**23
96%
[Vihtavuori N555]*
<<locked>>
81%
24424
39%
**56
93%
[Vihtavuori N560]*
<<locked>>
93%
38203
61%
**90
90%
Winchester 6.5 StaBALL
<<locked>>
81%
33214
53%
**97
98%
[Winchester 760]*
<<locked>>
81%
34301
55%
**62
94%
[Winchester StaBALL HD]*
<<locked>>
84%
21872
35%
**90
90%
Winchester StaBALL Match
<<locked>>
81%
47181
76%
**59
100%
[Winchester Supreme 780]*
<<locked>>
89%
32721
52%
**90
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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