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Load data for .260 Ackley Improved + .264 | 140gr | Speer TBBC

Recommended Powder(s):

.260 Ackley Improved + .264 | 140gr | Speer TBBC

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.264 | 140gr | Speer TBBC
Manufacturer SKU:
1735
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_B6102_C995
Last updated:
2026-07-02

Load data for 208 loads in caliber .260 Ackley Improved with .264 | 140gr | Speer TBBC bullet and 104 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%
55985
90%
**74
100%
ADI AR 2208
<<locked>>
90%
55434
89%
**54
100%
ADI AR 2209
<<locked>>
96%
47123
76%
**05
96%
ADI Benchmark 8208
<<locked>>
83%
55898
90%
**35
100%
Accurate 2495
<<locked>>
86%
55158
88%
**82
100%
Accurate 2700
<<locked>>
87%
55506
89%
**18
98%
Accurate 3100
<<locked>>
97%
40364
65%
**74
97%
Accurate 4064
<<locked>>
88%
55419
89%
**38
100%
Accurate 4350 👍
<<locked>>
97%
55999
90%
**33
100%
Alliant Power Pro 2000-MR
<<locked>>
86%
55448
89%
**85
100%
Alliant Reloder- TS 15.5
<<locked>>
90%
55651
89%
**71
100%
Alliant Reloder-15
<<locked>>
87%
55840
90%
**94
100%
Alliant Reloder-16 👍
<<locked>>
96%
53156
85%
**30
100%
Alliant Reloder-17
<<locked>>
93%
55593
89%
**82
100%
Alliant Reloder-19
<<locked>>
97%
46557
75%
**98
96%
[Alliant Reloder-22]*
<<locked>>
96%
40263
65%
**23
94%
Alliant Reloder-23
<<locked>>
96%
38145
61%
**93
99%
Alliant Reloder-25
<<locked>>
96%
33765
54%
**98
95%
Alliant Reloder-26
<<locked>>
97%
43018
69%
**54
99%
Baschieri & Pellagri 107
<<locked>>
84%
55013
88%
**84
100%
[Bofors RP15]*
<<locked>>
97%
37579
60%
**64
92%
Bofors RP3
<<locked>>
89%
55796
89%
**84
100%
[Bofors RP5]*
<<locked>>
96%
40263
65%
**23
94%
Bofors RP7
<<locked>>
93%
55100
88%
**57
98%
Hodgdon H380
<<locked>>
89%
55448
89%
**77
100%
Hodgdon H414
<<locked>>
95%
55564
89%
**40
99%
Hodgdon H4350
<<locked>>
93%
56014
90%
**00
98%
[Hodgdon H4831]*
<<locked>>
96%
45020
72%
**36
92%
[Hodgdon H4831 SC]*
<<locked>>
96%
43947
70%
**23
92%
Hodgdon H4895
<<locked>>
84%
55259
89%
**64
100%
Hodgdon Hybrid 100V
<<locked>>
96%
49545
79%
**15
100%
Hodgdon LEVERevolution
<<locked>>
86%
55912
90%
**13
100%
Hodgdon Superformance
<<locked>>
95%
55201
89%
**66
99%
Hodgdon TrailBoss
<<locked>>
96%
33910
54%
**81
100%
Hodgdon VARGET
<<locked>>
85%
55317
89%
**51
100%
IMR 3031
<<locked>>
84%
55477
89%
**44
100%
IMR 4064
<<locked>>
88%
55840
90%
**51
100%
IMR 4166 Enduron
<<locked>>
86%
54984
88%
**21
99%
IMR 4350
<<locked>>
96%
54534
87%
**64
98%
IMR 4451 Enduron
<<locked>>
92%
55956
90%
**71
99%
IMR 4831
<<locked>>
97%
52852
85%
**74
100%
IMR 4895
<<locked>>
87%
55854
90%
**97
100%
[IMR 4955 Enduron]*
<<locked>>
96%
47166
76%
**46
94%
IMR 8208 XBR
<<locked>>
83%
55898
90%
**35
100%
Lovex D073.6
<<locked>>
85%
55637
89%
**44
100%
Lovex S060
<<locked>>
85%
55564
89%
**05
100%
Lovex S062
<<locked>>
88%
54824
88%
**35
100%
Lovex S065
<<locked>>
95%
56043
90%
**67
100%
Lovex S070
<<locked>>
96%
55637
89%
**84
99%
Lovex S071
<<locked>>
97%
33634
54%
**36
95%
Norma 201
<<locked>>
85%
56057
90%
**35
100%
Norma 202
<<locked>>
85%
55071
88%
**15
100%
Norma 203B
<<locked>>
87%
55013
88%
**80
100%
Norma 204
<<locked>>
97%
55506
89%
**23
97%
Norma MRP
<<locked>>
97%
42873
69%
**08
96%
Norma URP 👍
<<locked>>
97%
54969
88%
**26
100%
Ramshot Big Game
<<locked>>
88%
55956
90%
**10
100%
Ramshot Hunter
<<locked>>
97%
53766
86%
**23
99%
[Ramshot Magnum]*
<<locked>>
97%
35549
57%
**95
92%
ReloadSwiss RS 14
<<locked>>
96%
34534
55%
**21
100%
ReloadSwiss RS 50
<<locked>>
89%
55114
88%
**57
99%
ReloadSwiss RS 52
<<locked>>
85%
55448
89%
**43
100%
ReloadSwiss RS 60
<<locked>>
91%
55274
89%
**76
100%
ReloadSwiss RS 62 👍
<<locked>>
97%
55651
89%
**62
100%
ReloadSwiss RS 70 👍
<<locked>>
96%
54317
87%
**82
100%
Rottweil R 902
<<locked>>
87%
56057
90%
**25
100%
Rottweil R 903
<<locked>>
91%
54911
88%
**61
100%
Rottweil R 904
<<locked>>
97%
49139
79%
**89
95%
Rottweil R 905
<<locked>>
97%
45368
73%
**89
96%
Rottweil R 907
<<locked>>
93%
55100
88%
**57
98%
SNPE Vectan SP 11
<<locked>>
91%
55912
90%
**10
100%
SNPE Vectan SP 7
<<locked>>
84%
55143
88%
**48
100%
SNPE Vectan SP 9
<<locked>>
85%
54998
88%
**57
100%
SNPE Vectan Tubal 3000
<<locked>>
85%
55999
90%
**56
100%
SNPE Vectan Tubal 5000
<<locked>>
90%
55100
88%
**43
100%
SNPE Vectan Tubal 7000
<<locked>>
94%
55274
89%
**12
99%
SNPE Vectan Tubal 8000
<<locked>>
97%
44933
72%
**79
95%
Shooters World Long Rifle
<<locked>>
95%
56043
90%
**67
100%
Shooters World Match Rifle
<<locked>>
85%
55637
89%
**44
100%
Shooters World Precision
<<locked>>
88%
54824
88%
**35
100%
Shooters World SW4350
<<locked>>
96%
55637
89%
**84
99%
Somchem S335
<<locked>>
85%
55506
89%
**52
100%
Somchem S341
<<locked>>
84%
54984
88%
**41
100%
Somchem S355
<<locked>>
91%
55709
89%
**71
100%
[Somchem S361]*
<<locked>>
96%
50212
81%
**72
94%
Somchem S365
<<locked>>
96%
49385
79%
**74
100%
Somchem S385
<<locked>>
96%
45716
73%
**62
97%
Vihtavuori N133
<<locked>>
84%
55216
89%
**23
100%
Vihtavuori N135
<<locked>>
88%
55419
89%
**85
100%
Vihtavuori N140
<<locked>>
87%
55767
89%
**95
100%
Vihtavuori N150
<<locked>>
92%
55593
89%
**28
100%
Vihtavuori N160
<<locked>>
95%
55056
88%
**84
100%
[Vihtavuori N165]*
<<locked>>
97%
39784
64%
**38
94%
Vihtavuori N530
<<locked>>
83%
55898
90%
**28
100%
Vihtavuori N540
<<locked>>
87%
55245
89%
**12
100%
Vihtavuori N550
<<locked>>
96%
55941
90%
**17
100%
Vihtavuori N555
<<locked>>
97%
42743
69%
**75
99%
[Vihtavuori N560]*
<<locked>>
97%
43801
70%
**98
92%
Winchester 6.5 StaBALL
<<locked>>
95%
55056
88%
**61
100%
Winchester 748
<<locked>>
83%
55840
90%
**77
100%
Winchester 760
<<locked>>
95%
55564
89%
**40
99%
Winchester StaBALL HD
<<locked>>
97%
34418
55%
**10
99%
Winchester StaBALL Match
<<locked>>
86%
56028
90%
**74
100%
Winchester Supreme 780
<<locked>>
97%
43453
70%
**10
95%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
50082
80%
**85
100%
ADI AR 2208
<<locked>>
81%
42424
68%
**44
99%
[ADI AR 2209]*
<<locked>>
86%
33707
54%
**23
90%
ADI Benchmark 8208
<<locked>>
81%
52228
84%
**89
100%
Accurate 2495
<<locked>>
81%
46876
75%
**74
100%
Accurate 2700
<<locked>>
81%
45455
73%
**61
96%
[Accurate 3100]*
<<locked>>
83%
25454
41%
**29
90%
Accurate 4064
<<locked>>
81%
44208
71%
**74
100%
Accurate 4350
<<locked>>
81%
32880
53%
**29
96%
Alliant Power Pro 2000-MR
<<locked>>
81%
46050
74%
**41
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
42308
68%
**67
100%
Alliant Reloder-15
<<locked>>
81%
45498
73%
**30
100%
Alliant Reloder-16
<<locked>>
81%
32982
53%
**43
97%
Alliant Reloder-17
<<locked>>
81%
36724
59%
**57
99%
[Alliant Reloder-19]*
<<locked>>
85%
32793
53%
**06
90%
[Alliant Reloder-22]*
<<locked>>
90%
32967
53%
**59
90%
[Alliant Reloder-23]*
<<locked>>
81%
23873
38%
**06
93%
[Alliant Reloder-25]*
<<locked>>
89%
27238
44%
**05
90%
[Alliant Reloder-26]*
<<locked>>
82%
25498
41%
**98
90%
Baschieri & Pellagri 107
<<locked>>
81%
49197
79%
**92
100%
[Bofors RP15]*
<<locked>>
93%
33634
54%
**69
90%
Bofors RP3
<<locked>>
81%
42090
67%
**70
100%
[Bofors RP5]*
<<locked>>
90%
32967
53%
**59
90%
[Bofors RP7]*
<<locked>>
81%
37608
60%
**46
94%
Hodgdon H380
<<locked>>
81%
43207
69%
**87
99%
[Hodgdon H414]*
<<locked>>
81%
35172
56%
**72
94%
[Hodgdon H4350]*
<<locked>>
81%
38101
61%
**92
93%
[Hodgdon H4831]*
<<locked>>
92%
39247
63%
**28
90%
[Hodgdon H4831 SC]*
<<locked>>
93%
39247
63%
**28
90%
Hodgdon H4895
<<locked>>
81%
50560
81%
**98
100%
Hodgdon Hybrid 100V
<<locked>>
81%
30095
48%
**38
97%
Hodgdon LEVERevolution
<<locked>>
81%
46717
75%
**75
100%
[Hodgdon Superformance]*
<<locked>>
81%
34345
55%
**75
93%
Hodgdon TrailBoss
<<locked>>
85%
29095
47%
**86
100%
Hodgdon VARGET
<<locked>>
81%
48327
77%
**49
100%
IMR 3031
<<locked>>
81%
50560
81%
**79
100%
IMR 4064
<<locked>>
81%
44643
72%
**77
100%
IMR 4166 Enduron
<<locked>>
81%
47195
76%
**03
97%
[IMR 4350]*
<<locked>>
81%
33417
54%
**80
92%
IMR 4451 Enduron
<<locked>>
81%
39320
63%
**82
95%
IMR 4831
<<locked>>
81%
31720
51%
**87
96%
IMR 4895
<<locked>>
81%
46702
75%
**62
100%
[IMR 4955 Enduron]*
<<locked>>
89%
37956
61%
**69
90%
IMR 8208 XBR
<<locked>>
81%
52228
84%
**89
100%
Lovex D073.6
<<locked>>
81%
49676
80%
**62
100%
Lovex S060
<<locked>>
81%
49792
80%
**23
100%
Lovex S062
<<locked>>
81%
44831
72%
**80
100%
Lovex S065
<<locked>>
81%
36767
59%
**36
96%
[Lovex S070]*
<<locked>>
81%
34809
56%
**13
94%
[Lovex S071]*
<<locked>>
88%
25773
41%
**36
90%
Norma 201
<<locked>>
81%
49008
79%
**36
100%
Norma 202
<<locked>>
81%
49197
79%
**36
100%
Norma 203B
<<locked>>
81%
45005
72%
**20
100%
[Norma 204]*
<<locked>>
82%
33475
54%
**10
90%
[Norma MRP]*
<<locked>>
86%
30037
48%
**00
90%
Norma URP
<<locked>>
81%
32866
53%
**23
96%
Ramshot Big Game
<<locked>>
81%
44701
72%
**39
100%
[Ramshot Hunter]*
<<locked>>
81%
32140
52%
**06
94%
[Ramshot Magnum]*
<<locked>>
94%
32401
52%
**16
90%
ReloadSwiss RS 14
<<locked>>
81%
27905
45%
**90
100%
ReloadSwiss RS 50
<<locked>>
81%
43366
70%
**70
97%
ReloadSwiss RS 52
<<locked>>
81%
48167
77%
**28
100%
ReloadSwiss RS 60
<<locked>>
81%
39059
63%
**10
100%
ReloadSwiss RS 62
<<locked>>
81%
32547
52%
**46
96%
ReloadSwiss RS 70
<<locked>>
81%
32430
52%
**46
95%
Rottweil R 902
<<locked>>
81%
46920
75%
**93
100%
Rottweil R 903
<<locked>>
81%
39711
64%
**25
100%
[Rottweil R 904]*
<<locked>>
87%
36579
59%
**46
90%
[Rottweil R 905]*
<<locked>>
86%
32068
51%
**00
90%
[Rottweil R 907]*
<<locked>>
81%
37608
60%
**46
94%
SNPE Vectan SP 11
<<locked>>
81%
40785
65%
**74
99%
SNPE Vectan SP 7
<<locked>>
81%
50343
81%
**82
99%
SNPE Vectan SP 9
<<locked>>
81%
48138
77%
**56
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
49951
80%
**74
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
41669
67%
**52
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
35781
57%
**77
94%
[SNPE Vectan Tubal 8000]*
<<locked>>
87%
32474
52%
**13
90%
Shooters World Long Rifle
<<locked>>
81%
36767
59%
**36
96%
Shooters World Match Rifle
<<locked>>
81%
49676
80%
**62
100%
Shooters World Precision
<<locked>>
81%
44831
72%
**80
100%
[Shooters World SW4350]*
<<locked>>
81%
34809
56%
**13
94%
Somchem S335
<<locked>>
81%
49850
80%
**80
100%
Somchem S341
<<locked>>
81%
50183
80%
**75
100%
Somchem S355
<<locked>>
81%
40509
65%
**28
99%
[Somchem S361]*
<<locked>>
88%
38551
62%
**69
90%
Somchem S365
<<locked>>
81%
29515
47%
**83
98%
[Somchem S385]*
<<locked>>
83%
29515
47%
**18
90%
Vihtavuori N133
<<locked>>
81%
50270
81%
**61
100%
Vihtavuori N135
<<locked>>
81%
43859
70%
**28
100%
Vihtavuori N140
<<locked>>
81%
46746
75%
**74
100%
Vihtavuori N150
<<locked>>
81%
38435
62%
**65
100%
Vihtavuori N160
<<locked>>
81%
34461
55%
**33
97%
[Vihtavuori N165]*
<<locked>>
89%
30951
50%
**38
90%
Vihtavuori N530
<<locked>>
81%
52330
84%
**82
100%
Vihtavuori N540
<<locked>>
81%
45194
72%
**70
100%
Vihtavuori N550
<<locked>>
81%
33910
54%
**33
96%
[Vihtavuori N555]*
<<locked>>
81%
25367
41%
**69
93%
[Vihtavuori N560]*
<<locked>>
93%
38247
61%
**84
90%
Winchester 6.5 StaBALL
<<locked>>
81%
33895
54%
**03
98%
Winchester 748
<<locked>>
81%
52199
84%
**25
100%
[Winchester 760]*
<<locked>>
81%
35172
56%
**72
94%
[Winchester StaBALL HD]*
<<locked>>
83%
22379
36%
**96
91%
Winchester StaBALL Match
<<locked>>
81%
48022
77%
**66
100%
[Winchester Supreme 780]*
<<locked>>
89%
32837
53%
**83
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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