top of page

Load data for .270 Win. Ackley Improved + .277 | 156gr | Sako Hammerhead

Recommended Powder(s): Hodgdon H414, Hodgdon Superperformance, Norma 204, Ramshot Hunter, Winchester 760

.270 Win. Ackley Improved + .277 | 156gr | Sako Hammerhead

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.277 | 156gr | Sako Hammerhead
Manufacturer SKU:
211B
Bullet Weight:
156gr | 10.1g
Bullet Diameter:
0.277" | 7.04mm
Bullet Length:
<<locked>>
Caliber:
.270 Win. Ackley Improved load data
Case Length (l3):
2.540" | 64.5mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
70.0 Grains of Water | 4.55 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
72519 psi | 5000 bar
LID:
LID_B10002_C272
Last updated:
2026-02-05

Load data for 218 loads in caliber .270 Win. Ackley Improved with .277 | 156gr | Sako Hammerhead bullet and 109 powders such as Hodgdon H414, Hodgdon Superperformance, Norma 204, Ramshot Hunter, Winchester 760. 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.

    .

    Loading_icon.gif

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 APS 450
<<locked>>
86%
65238
90%
**85
101%
ADI AR 2206H
<<locked>>
84%
65137
90%
**48
100%
ADI AR 2208
<<locked>>
89%
64397
89%
**31
100%
ADI AR 2209
<<locked>>
97%
58624
81%
**61
99%
ADI AR 2213
<<locked>>
97%
52083
72%
**89
97%
[ADI AR 2217]*
<<locked>>
97%
38334
53%
**03
92%
[ADI AR 2225]*
<<locked>>
97%
33649
46%
**54
94%
Accurate 2200
<<locked>>
83%
64861
89%
**31
100%
Accurate 2700
<<locked>>
90%
64890
89%
**05
100%
Accurate 3100
<<locked>>
97%
51982
72%
**17
100%
Accurate 4064
<<locked>>
87%
65180
90%
**95
100%
Accurate 4350
<<locked>>
94%
64759
89%
**97
100%
Accurate MAGPRO
<<locked>>
97%
51010
70%
**95
95%
Alliant Power Pro 2000-MR
<<locked>>
85%
64832
89%
**63
100%
Alliant Reloder- TS 15.5
<<locked>>
89%
65195
90%
**51
100%
Alliant Reloder-15
<<locked>>
87%
65180
90%
**67
100%
Alliant Reloder-16
<<locked>>
96%
65064
90%
**46
100%
Alliant Reloder-17
<<locked>>
91%
64963
90%
**40
100%
Alliant Reloder-19
<<locked>>
97%
57928
80%
**48
99%
Alliant Reloder-22
<<locked>>
97%
51329
71%
**82
98%
Alliant Reloder-23
<<locked>>
97%
48646
67%
**23
100%
Alliant Reloder-25
<<locked>>
97%
42612
59%
**57
99%
Alliant Reloder-26
<<locked>>
97%
56028
77%
**10
100%
Baschieri & Pellagri 107
<<locked>>
84%
65108
90%
**67
100%
[Baschieri & Pellagri 109]*
<<locked>>
97%
51982
72%
**10
94%
Bofors RP15
<<locked>>
97%
47543
66%
**20
97%
Bofors RP3
<<locked>>
88%
65079
90%
**51
100%
[Bofors RP30]*
<<locked>>
97%
38667
53%
**72
94%
Bofors RP5
<<locked>>
97%
51329
71%
**82
98%
Bofors RP7
<<locked>>
93%
64948
90%
**64
100%
Hodgdon CFE223
<<locked>>
86%
64194
89%
**94
100%
[Hodgdon H1000]*
<<locked>>
97%
38334
53%
**03
92%
Hodgdon H380
<<locked>>
88%
64092
88%
**54
100%
Hodgdon H414 👍
<<locked>>
90%
64295
89%
**17
100%
Hodgdon H4350
<<locked>>
97%
62279
86%
**41
100%
Hodgdon H4831
<<locked>>
97%
48414
67%
**67
95%
Hodgdon H4831 SC
<<locked>>
97%
54520
75%
**69
97%
Hodgdon H4895
<<locked>>
84%
64919
90%
**48
100%
Hodgdon Hybrid 100V
<<locked>>
97%
62743
87%
**35
100%
Hodgdon LVR
<<locked>>
93%
63991
88%
**94
100%
[Hodgdon Retumbo]*
<<locked>>
97%
33649
46%
**54
94%
Hodgdon Superperformance 👍
<<locked>>
92%
64092
88%
**53
100%
Hodgdon VARGET
<<locked>>
90%
64803
89%
**31
100%
Hodgdon TrailBoss
<<locked>>
97%
35143
48%
**70
100%
IMR 3031
<<locked>>
86%
65195
90%
**05
100%
IMR 4064
<<locked>>
90%
64469
89%
**18
100%
IMR 4166 Enduron
<<locked>>
91%
65006
90%
**35
100%
IMR 4350
<<locked>>
96%
64266
89%
**64
100%
IMR 4451 Enduron
<<locked>>
92%
64397
89%
**58
100%
IMR 4831
<<locked>>
97%
58247
80%
**99
100%
IMR 4895
<<locked>>
86%
64759
89%
**71
100%
IMR 4955 Enduron
<<locked>>
97%
53534
74%
**17
97%
IMR 7828 SSC
<<locked>>
97%
54143
75%
**38
98%
Lovex D073.6
<<locked>>
84%
64846
89%
**02
100%
Lovex S060
<<locked>>
85%
65064
90%
**89
100%
Lovex S062
<<locked>>
87%
64368
89%
**02
100%
Lovex S065
<<locked>>
94%
65209
90%
**58
100%
Lovex S070
<<locked>>
95%
64556
89%
**71
100%
Lovex S071
<<locked>>
97%
43076
59%
**69
99%
Norma 201
<<locked>>
85%
64469
89%
**02
100%
Norma 202
<<locked>>
84%
64440
89%
**79
100%
Norma 203B
<<locked>>
87%
64498
89%
**54
100%
Norma 204 👍
<<locked>>
95%
65021
90%
**17
100%
Norma MRP
<<locked>>
97%
54505
75%
**71
100%
Norma URP
<<locked>>
95%
64730
89%
**04
100%
Ramshot Big Game
<<locked>>
87%
65166
90%
**74
100%
Ramshot Grand
<<locked>>
97%
57377
79%
**94
98%
Ramshot Hunter 👍
<<locked>>
96%
64716
89%
**33
100%
Ramshot Magnum
<<locked>>
97%
49530
68%
**43
99%
ReloadSwiss RS 14
<<locked>>
96%
35708
49%
**09
100%
ReloadSwiss RS 50
<<locked>>
88%
64948
90%
**61
100%
ReloadSwiss RS 52
<<locked>>
84%
64527
89%
**13
100%
ReloadSwiss RS 60
<<locked>>
89%
64252
89%
**30
100%
ReloadSwiss RS 62
<<locked>>
95%
65166
90%
**27
100%
ReloadSwiss RS 70
<<locked>>
95%
64672
89%
**79
100%
ReloadSwiss RS 76
<<locked>>
97%
41133
57%
**74
98%
Rottweil R 902
<<locked>>
87%
64977
90%
**95
100%
Rottweil R 903
<<locked>>
90%
64527
89%
**38
100%
Rottweil R 904
<<locked>>
97%
60234
83%
**25
98%
Rottweil R 905
<<locked>>
97%
57188
79%
**35
99%
Rottweil R 907
<<locked>>
93%
64948
90%
**64
100%
SNPE Vectan SP 11
<<locked>>
89%
65064
90%
**84
100%
SNPE Vectan SP 9
<<locked>>
85%
64484
89%
**35
100%
SNPE Vectan Tubal 3000
<<locked>>
84%
64223
89%
**13
100%
SNPE Vectan Tubal 5000
<<locked>>
90%
64701
89%
**10
100%
SNPE Vectan Tubal 7000
<<locked>>
94%
64310
89%
**05
100%
Shooters World Long Rifle
<<locked>>
94%
65209
90%
**58
100%
Shooters World Match Rifle
<<locked>>
84%
64846
89%
**02
100%
Shooters World Precision
<<locked>>
87%
64368
89%
**02
100%
Somchem S335
<<locked>>
85%
64672
89%
**23
100%
Somchem S341
<<locked>>
83%
65122
90%
**25
100%
Somchem S355
<<locked>>
90%
64310
89%
**35
100%
Somchem S361
<<locked>>
97%
62265
86%
**25
98%
Somchem S365
<<locked>>
97%
63802
88%
**90
100%
Somchem S385
<<locked>>
97%
57261
79%
**02
99%
Vihtavuori N133
<<locked>>
87%
65137
90%
**97
100%
Vihtavuori N135
<<locked>>
91%
64484
89%
**33
100%
Vihtavuori N140
<<locked>>
86%
64513
89%
**53
100%
Vihtavuori N150
<<locked>>
95%
64281
89%
**89
100%
Vihtavuori N160
<<locked>>
93%
65209
90%
**67
100%
Vihtavuori N165
<<locked>>
97%
48312
67%
**48
98%
Vihtavuori N540
<<locked>>
87%
64803
89%
**89
100%
Vihtavuori N550
<<locked>>
92%
64165
88%
**97
100%
Vihtavuori N555
<<locked>>
97%
54462
75%
**99
100%
Vihtavuori N560
<<locked>>
97%
51895
72%
**18
97%
Vihtavuori N565
<<locked>>
97%
44063
61%
**61
95%
Winchester 6.5 StaBALL
<<locked>>
94%
65108
90%
**35
100%
Winchester 760 👍
<<locked>>
90%
64295
89%
**17
100%
Winchester StaBALL HD
<<locked>>
97%
44266
61%
**89
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
81%
60031
83%
**19
101%
ADI AR 2206H
<<locked>>
81%
58943
81%
**72
100%
ADI AR 2208
<<locked>>
81%
50140
69%
**31
100%
[ADI AR 2209]*
<<locked>>
81%
34838
48%
**08
93%
[ADI AR 2213]*
<<locked>>
84%
33750
47%
**98
90%
[ADI AR 2217]*
<<locked>>
93%
33953
47%
**95
90%
[ADI AR 2225]*
<<locked>>
91%
28660
40%
**03
90%
Accurate 2200
<<locked>>
81%
60814
84%
**79
100%
Accurate 2700
<<locked>>
81%
48153
66%
**69
98%
Accurate 3100
<<locked>>
81%
30342
42%
**90
95%
Accurate 4064
<<locked>>
81%
53301
73%
**54
100%
Accurate 4350
<<locked>>
81%
41234
57%
**46
99%
[Accurate MAGPRO]*
<<locked>>
88%
37855
52%
**30
90%
Alliant Power Pro 2000-MR
<<locked>>
81%
56202
78%
**54
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
50879
70%
**57
100%
Alliant Reloder-15
<<locked>>
81%
54215
75%
**26
100%
Alliant Reloder-16
<<locked>>
81%
39842
55%
**52
99%
Alliant Reloder-17
<<locked>>
81%
45484
63%
**67
100%
[Alliant Reloder-19]*
<<locked>>
81%
34679
48%
**05
93%
[Alliant Reloder-22]*
<<locked>>
81%
30501
42%
**39
91%
Alliant Reloder-23
<<locked>>
81%
29283
40%
**16
98%
[Alliant Reloder-25]*
<<locked>>
81%
25657
35%
**11
91%
Alliant Reloder-26
<<locked>>
81%
31473
43%
**38
97%
Baschieri & Pellagri 107
<<locked>>
81%
58900
81%
**89
100%
[Baschieri & Pellagri 109]*
<<locked>>
91%
43337
60%
**39
90%
[Bofors RP15]*
<<locked>>
82%
29834
41%
**23
90%
Bofors RP3
<<locked>>
81%
51285
71%
**64
100%
[Bofors RP30]*
<<locked>>
91%
31546
44%
**95
90%
[Bofors RP5]*
<<locked>>
81%
30501
42%
**39
91%
Bofors RP7
<<locked>>
81%
44962
62%
**56
98%
Hodgdon CFE223
<<locked>>
81%
53635
74%
**46
100%
[Hodgdon H1000]*
<<locked>>
93%
33953
47%
**95
90%
Hodgdon H380
<<locked>>
81%
51488
71%
**80
100%
Hodgdon H414
<<locked>>
81%
46615
64%
**51
98%
Hodgdon H4350
<<locked>>
81%
38305
53%
**38
96%
[Hodgdon H4831]*
<<locked>>
86%
34766
48%
**85
90%
[Hodgdon H4831 SC]*
<<locked>>
83%
34766
48%
**85
90%
Hodgdon H4895
<<locked>>
81%
59611
82%
**82
100%
Hodgdon Hybrid 100V
<<locked>>
81%
37420
52%
**41
100%
Hodgdon LVR
<<locked>>
81%
43888
61%
**92
99%
[Hodgdon Retumbo]*
<<locked>>
91%
28660
40%
**03
90%
Hodgdon Superperformance
<<locked>>
81%
42018
58%
**02
97%
Hodgdon VARGET
<<locked>>
81%
49792
69%
**28
100%
Hodgdon TrailBoss
<<locked>>
94%
33663
46%
**40
100%
IMR 3031
<<locked>>
81%
55796
77%
**90
100%
IMR 4064
<<locked>>
81%
49153
68%
**08
100%
IMR 4166 Enduron
<<locked>>
81%
48225
66%
**85
99%
IMR 4350
<<locked>>
81%
40234
55%
**84
97%
IMR 4451 Enduron
<<locked>>
81%
46296
64%
**79
98%
IMR 4831
<<locked>>
81%
35853
49%
**21
98%
IMR 4895
<<locked>>
81%
55680
77%
**49
100%
[IMR 4955 Enduron]*
<<locked>>
81%
33460
46%
**23
90%
[IMR 7828 SSC]*
<<locked>>
83%
33794
47%
**15
90%
Lovex D073.6
<<locked>>
81%
59596
82%
**43
100%
Lovex S060
<<locked>>
81%
57217
79%
**87
100%
Lovex S062
<<locked>>
81%
52852
73%
**54
100%
Lovex S065
<<locked>>
81%
43729
60%
**26
99%
Lovex S070
<<locked>>
81%
41872
58%
**10
98%
[Lovex S071]*
<<locked>>
81%
25962
36%
**69
92%
Norma 201
<<locked>>
81%
57479
79%
**13
100%
Norma 202
<<locked>>
81%
58276
80%
**07
100%
Norma 203B
<<locked>>
81%
53708
74%
**17
100%
Norma 204
<<locked>>
81%
40016
55%
**10
95%
[Norma MRP]*
<<locked>>
81%
31575
44%
**95
93%
Norma URP
<<locked>>
81%
40480
56%
**26
99%
Ramshot Big Game
<<locked>>
81%
54186
75%
**36
100%
[Ramshot Grand]*
<<locked>>
81%
32808
45%
**05
90%
Ramshot Hunter
<<locked>>
81%
39479
54%
**26
98%
[Ramshot Magnum]*
<<locked>>
81%
28471
39%
**74
90%
ReloadSwiss RS 14
<<locked>>
90%
32735
45%
**54
100%
ReloadSwiss RS 50
<<locked>>
81%
51532
71%
**71
99%
ReloadSwiss RS 52
<<locked>>
81%
59176
82%
**44
100%
ReloadSwiss RS 60
<<locked>>
81%
48269
67%
**20
100%
ReloadSwiss RS 62
<<locked>>
81%
40814
56%
**56
99%
ReloadSwiss RS 70
<<locked>>
81%
39566
55%
**75
99%
[ReloadSwiss RS 76]*
<<locked>>
86%
28790
40%
**26
90%
Rottweil R 902
<<locked>>
81%
54897
76%
**71
100%
Rottweil R 903
<<locked>>
81%
48182
66%
**15
100%
[Rottweil R 904]*
<<locked>>
81%
36100
50%
**92
92%
[Rottweil R 905]*
<<locked>>
81%
33489
46%
**88
93%
Rottweil R 907
<<locked>>
81%
44962
62%
**56
98%
SNPE Vectan SP 11
<<locked>>
81%
49603
68%
**74
100%
SNPE Vectan SP 9
<<locked>>
81%
57377
79%
**46
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
58117
80%
**41
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
49168
68%
**13
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
42815
59%
**77
98%
Shooters World Long Rifle
<<locked>>
81%
43729
60%
**26
99%
Shooters World Match Rifle
<<locked>>
81%
59596
82%
**43
100%
Shooters World Precision
<<locked>>
81%
52852
73%
**54
100%
Somchem S335
<<locked>>
81%
57725
80%
**35
100%
Somchem S341
<<locked>>
81%
59959
83%
**66
100%
Somchem S355
<<locked>>
81%
48428
67%
**12
100%
[Somchem S361]*
<<locked>>
81%
36738
51%
**85
91%
Somchem S365
<<locked>>
81%
37101
51%
**93
100%
[Somchem S385]*
<<locked>>
81%
34316
47%
**82
94%
Vihtavuori N133
<<locked>>
81%
54998
76%
**75
100%
Vihtavuori N135
<<locked>>
81%
47166
65%
**13
100%
Vihtavuori N140
<<locked>>
81%
54708
75%
**38
100%
Vihtavuori N150
<<locked>>
81%
41800
58%
**74
100%
Vihtavuori N160
<<locked>>
81%
43859
60%
**62
100%
[Vihtavuori N165]*
<<locked>>
81%
28703
40%
**31
91%
Vihtavuori N540
<<locked>>
81%
54244
75%
**57
100%
Vihtavuori N550
<<locked>>
81%
44222
61%
**02
100%
Vihtavuori N555
<<locked>>
81%
32590
45%
**92
98%
[Vihtavuori N560]*
<<locked>>
85%
34447
48%
**44
90%
[Vihtavuori N565]*
<<locked>>
89%
33301
46%
**25
90%
Winchester 6.5 StaBALL
<<locked>>
81%
41147
57%
**03
100%
Winchester 760
<<locked>>
81%
46615
64%
**51
98%
Winchester StaBALL HD
<<locked>>
81%
23148
32%
**00
97%

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

bottom of page