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Load data for .270 Weath. Mag. + .277 | 156gr | Sako Hammerhead

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Recommended Powder(s):

.270 Weath. Mag. + .277 | 156gr | Sako Hammerhead

Load Specifications

Bullet:
.277 | 156gr | Sako Hammerhead
Manufacturer SKU:
211B
Bullet Weight:
156gr | 10.1g
Bullet Diameter:
0.277" | 7.04mm
Bullet Length:
1.197" | 30.4mm
Caliber:
.270 Weath. Mag.
Case Length (l3):
2.549" | 64.7mm
Cartridge Length (C.O.L.):
3.246" | 82.4mm
Seated Depth:
0.500" | 12.7mm
Shank Seated Depth:
0.500" | 12.7mm
Case Capacity:
82.0 Grains of Water | 5.32 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B10002_C270

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 126 loads in caliber .270 Weath. Mag. with .277 | 156gr | Sako Hammerhead bullet and 63 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".

    • A load must fulfill certain criteria to be listed in the default view below - see here.

    • Our load data might deviate from other sources - see the most common reasons here

    • All loads are based on the bullet and case dimensions shown under "Load Specifications" - see here what to do if you deviate.

    • You can set your specifications in the "Personalized Load Calculator".

    • Go to the bottom of the "My Account " page to set the measure system (imperial vs. metric) 

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    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.

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 2209 👍
<<locked>>
91%
57174
90%
**04
100%
ADI AR 2213
<<locked>>
94%
56913
89%
**40
99%
ADI AR 2217
<<locked>>
97%
46035
72%
**49
97%
ADI AR 2225
<<locked>>
97%
40915
64%
**07
99%
Accurate 3100
<<locked>>
94%
56594
89%
**35
100%
Accurate 4350
<<locked>>
85%
56710
89%
**48
100%
Accurate MAGPRO
<<locked>>
94%
57000
89%
**53
98%
Alliant Reloder-16
<<locked>>
87%
56942
89%
**90
100%
Alliant Reloder-19 👍
<<locked>>
91%
57406
90%
**10
100%
Alliant Reloder-22 👍
<<locked>>
94%
57000
89%
**40
100%
Alliant Reloder-23
<<locked>>
95%
56971
89%
**87
100%
Alliant Reloder-25
<<locked>>
97%
51982
81%
**84
100%
Alliant Reloder-26
<<locked>>
91%
57043
89%
**76
100%
Hodgdon H1000
<<locked>>
97%
46035
72%
**49
97%
Hodgdon H4350
<<locked>>
89%
57014
89%
**38
100%
Hodgdon H4831
<<locked>>
96%
56811
89%
**81
99%
Hodgdon H4831 SC
<<locked>>
93%
56811
89%
**81
99%
Hodgdon Hybrid 100V
<<locked>>
88%
56565
89%
**08
100%
Hodgdon LVR
<<locked>>
84%
57276
90%
**61
100%
Hodgdon Retumbo
<<locked>>
97%
40915
64%
**07
99%
Hodgdon Superperformance
<<locked>>
84%
57406
90%
**17
100%
Hodgdon TrailBoss
<<locked>>
97%
35752
56%
**55
100%
IMR 4350
<<locked>>
87%
57363
90%
**48
100%
IMR 4451 Enduron
<<locked>>
83%
57159
90%
**28
100%
IMR 4831
<<locked>>
90%
57305
90%
**51
100%
IMR 4955 Enduron
<<locked>>
93%
56652
89%
**48
99%
IMR 7828 SSC
<<locked>>
93%
56884
89%
**56
99%
[IMR 7977 Enduron]*
<<locked>>
97%
54230
85%
**53
92%
[IMR 8133 Enduron]*
<<locked>>
97%
36753
58%
**98
94%
Lovex S065
<<locked>>
85%
57421
90%
**15
100%
Lovex S070
<<locked>>
86%
57232
90%
**38
100%
Lovex S071
<<locked>>
97%
52344
82%
**72
100%
Norma 204
<<locked>>
87%
57377
90%
**90
100%
Norma 217
<<locked>>
97%
37086
58%
**28
97%
Norma MRP 👍
<<locked>>
92%
56681
89%
**59
100%
Norma URP
<<locked>>
86%
56739
89%
**54
100%
Ramshot Hunter
<<locked>>
87%
56869
89%
**77
100%
Ramshot Magnum 👍
<<locked>>
94%
56594
89%
**10
100%
ReloadSwiss RS 14
<<locked>>
97%
36593
57%
**98
100%
ReloadSwiss RS 60
<<locked>>
83%
57406
90%
**13
100%
ReloadSwiss RS 62
<<locked>>
85%
57072
89%
**77
100%
ReloadSwiss RS 70
<<locked>>
86%
56855
89%
**27
100%
ReloadSwiss RS 76
<<locked>>
97%
50995
80%
**36
100%
ReloadSwiss RS 80
<<locked>>
97%
46108
72%
**15
96%
Rottweil R 904
<<locked>>
90%
56927
89%
**58
99%
Rottweil R 905
<<locked>>
91%
57029
89%
**94
100%
Rottweil R 907
<<locked>>
84%
57043
89%
**25
100%
SNPE Vectan Tubal 7000
<<locked>>
85%
56594
89%
**76
100%
Shooters World Long Rifle
<<locked>>
85%
57421
90%
**15
100%
Somchem S361
<<locked>>
89%
56942
89%
**25
98%
Somchem S365
<<locked>>
88%
57058
89%
**58
100%
Somchem S385
<<locked>>
91%
57276
90%
**61
100%
Vihtavuori N150
<<locked>>
86%
57043
89%
**56
100%
Vihtavuori N160
<<locked>>
84%
57130
90%
**22
100%
Vihtavuori N165
<<locked>>
96%
57232
90%
**54
100%
Vihtavuori N550
<<locked>>
84%
57203
90%
**64
100%
Vihtavuori N555
<<locked>>
92%
57087
89%
**81
100%
Vihtavuori N560
<<locked>>
94%
57000
89%
**59
99%
Vihtavuori N565
<<locked>>
97%
54433
85%
**04
99%
Vihtavuori N568
<<locked>>
97%
47819
75%
**28
96%
[Vihtavuori N570]*
<<locked>>
97%
45469
71%
**05
93%
Winchester 6.5 StaBALL
<<locked>>
86%
57116
90%
**95
100%
Winchester StaBALL HD
<<locked>>
96%
57174
90%
**92
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
40973
64%
**18
97%
[ADI AR 2213]*
<<locked>>
81%
36651
57%
**43
94%
[ADI AR 2217]*
<<locked>>
84%
30226
47%
**65
90%
[ADI AR 2225]*
<<locked>>
82%
25802
40%
**60
90%
Accurate 3100
<<locked>>
81%
36898
58%
**93
98%
Accurate 4350
<<locked>>
81%
49356
77%
**40
100%
[Accurate MAGPRO]*
<<locked>>
81%
35853
56%
**30
91%
Alliant Reloder-16
<<locked>>
81%
47413
74%
**46
100%
Alliant Reloder-19
<<locked>>
81%
41060
64%
**08
97%
Alliant Reloder-22
<<locked>>
81%
36738
58%
**46
96%
Alliant Reloder-23
<<locked>>
81%
35491
56%
**16
100%
Alliant Reloder-25
<<locked>>
81%
30734
48%
**21
97%
Alliant Reloder-26
<<locked>>
81%
39044
61%
**57
100%
[Hodgdon H1000]*
<<locked>>
84%
30226
47%
**65
90%
Hodgdon H4350
<<locked>>
81%
44686
70%
**28
99%
[Hodgdon H4831]*
<<locked>>
81%
34635
54%
**48
92%
[Hodgdon H4831 SC]*
<<locked>>
81%
38537
60%
**43
94%
Hodgdon Hybrid 100V
<<locked>>
81%
44440
70%
**28
100%
Hodgdon LVR
<<locked>>
81%
51692
81%
**76
100%
[Hodgdon Retumbo]*
<<locked>>
82%
25802
40%
**60
90%
Hodgdon Superperformance
<<locked>>
81%
50865
80%
**22
100%
Hodgdon TrailBoss
<<locked>>
85%
30110
47%
**40
100%
IMR 4350
<<locked>>
81%
46963
74%
**77
99%
IMR 4451 Enduron
<<locked>>
81%
53229
83%
**62
100%
IMR 4831
<<locked>>
81%
42699
67%
**08
100%
[IMR 4955 Enduron]*
<<locked>>
81%
38493
60%
**10
94%
[IMR 7828 SSC]*
<<locked>>
81%
37608
59%
**79
94%
[IMR 7977 Enduron]*
<<locked>>
94%
48878
77%
**64
90%
[IMR 8133 Enduron]*
<<locked>>
90%
29907
47%
**15
90%
Lovex S065
<<locked>>
81%
50575
79%
**13
100%
Lovex S070
<<locked>>
81%
48805
76%
**00
100%
Lovex S071
<<locked>>
81%
31763
50%
**69
97%
Norma 204
<<locked>>
81%
47369
74%
**20
98%
[Norma 217]*
<<locked>>
86%
25904
41%
**03
90%
Norma MRP
<<locked>>
81%
38667
61%
**18
98%
Norma URP
<<locked>>
81%
48240
76%
**23
100%
Ramshot Hunter
<<locked>>
81%
47079
74%
**26
100%
Ramshot Magnum
<<locked>>
81%
34026
53%
**87
95%
ReloadSwiss RS 14
<<locked>>
81%
29153
46%
**44
100%
ReloadSwiss RS 60
<<locked>>
81%
53069
83%
**58
100%
ReloadSwiss RS 62
<<locked>>
81%
49255
77%
**62
100%
ReloadSwiss RS 70
<<locked>>
81%
47282
74%
**79
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
28993
45%
**98
93%
[ReloadSwiss RS 80]*
<<locked>>
88%
32967
52%
**07
90%
Rottweil R 904
<<locked>>
81%
42424
66%
**02
96%
Rottweil R 905
<<locked>>
81%
40393
63%
**92
97%
Rottweil R 907
<<locked>>
81%
51721
81%
**36
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
49734
78%
**71
100%
Shooters World Long Rifle
<<locked>>
81%
50575
79%
**13
100%
Somchem S361
<<locked>>
81%
42989
67%
**79
95%
Somchem S365
<<locked>>
81%
45310
71%
**77
100%
Somchem S385
<<locked>>
81%
41133
64%
**85
98%
Vihtavuori N150
<<locked>>
81%
48443
76%
**38
100%
Vihtavuori N160
<<locked>>
81%
51677
81%
**43
100%
Vihtavuori N165
<<locked>>
81%
34534
54%
**34
95%
Vihtavuori N550
<<locked>>
81%
52489
82%
**89
100%
Vihtavuori N555
<<locked>>
81%
39871
62%
**92
100%
[Vihtavuori N560]*
<<locked>>
81%
36927
58%
**69
93%
[Vihtavuori N565]*
<<locked>>
81%
31734
50%
**21
91%
[Vihtavuori N568]*
<<locked>>
88%
34432
54%
**26
90%
[Vihtavuori N570]*
<<locked>>
93%
39813
62%
**80
90%
Winchester 6.5 StaBALL
<<locked>>
81%
48791
76%
**74
100%
Winchester StaBALL HD
<<locked>>
81%
31502
49%
**39
100%

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.

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