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Load data for 6.8 Western + .277 | 156gr | Sako Hammerhead

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Norma MRP, Rottweil R 905, Somchem S385

6.8 Western + .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:
1.197" | 30.4mm
Caliber:
6.8 Western load data
Case Length (l3):
2.020" | 51.3mm
Cartridge Length (C.O.L.):
2.911" | 73.9mm
Seated Depth:
0.306" | 7.8mm
Shank Seated Depth:
0.306" | 7.8mm
Case Capacity:
74.0 Grains of Water | 4.80 cm³
Primer Size:
Large Rifle
Max. allowed Pressure:
64977 psi | 4480 bar
LID:
LID_B10002_C997
Last updated:
2025-02-02

Load data for 148 loads in caliber 6.8 Western with .277 | 156gr | Sako Hammerhead bullet and 74 powders such as ADI AR 2209, Alliant Reloder-19, Norma MRP, Rottweil R 905, Somchem S385. 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".

  • Muzzle velocity vs. barrel length

    Every 1 inch additional barrel length increases muzzle velocity by approx. 32.4 fps

  • 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 2208
<<locked>>
84%
58421
90%
**05
100%
ADI AR 2209 👍
<<locked>>
94%
58175
90%
**07
100%
ADI AR 2213
<<locked>>
97%
57696
89%
**40
99%
ADI AR 2217
<<locked>>
97%
42148
65%
**48
96%
ADI AR 2225
<<locked>>
97%
37695
58%
**15
98%
Accurate 2700
<<locked>>
84%
58044
89%
**79
100%
Accurate 3100
<<locked>>
97%
57377
88%
**38
100%
Accurate 4350
<<locked>>
88%
57798
89%
**54
100%
Accurate MAGPRO
<<locked>>
97%
57493
88%
**46
97%
Alliant Reloder-16
<<locked>>
89%
57798
89%
**97
100%
Alliant Reloder-17
<<locked>>
85%
57551
89%
**87
100%
Alliant Reloder-19 👍
<<locked>>
94%
58320
90%
**00
100%
Alliant Reloder-22
<<locked>>
97%
57580
89%
**33
100%
Alliant Reloder-23
<<locked>>
97%
54810
84%
**44
100%
Alliant Reloder-25
<<locked>>
97%
47195
73%
**95
100%
Alliant Reloder-26
<<locked>>
94%
58044
89%
**82
100%
Hodgdon H1000
<<locked>>
97%
42148
65%
**48
96%
Hodgdon H414
<<locked>>
84%
57537
89%
**74
100%
Hodgdon H4350
<<locked>>
91%
57754
89%
**35
100%
Hodgdon H4831
<<locked>>
97%
53606
82%
**15
98%
Hodgdon H4831 SC
<<locked>>
95%
57769
89%
**71
98%
Hodgdon Hybrid 100V
<<locked>>
92%
58233
90%
**18
100%
Hodgdon LVR
<<locked>>
87%
58421
90%
**67
100%
Hodgdon Retumbo
<<locked>>
97%
37695
58%
**15
98%
Hodgdon Superperformance
<<locked>>
87%
57769
89%
**10
100%
Hodgdon VARGET
<<locked>>
84%
57957
89%
**99
100%
Hodgdon TrailBoss
<<locked>>
97%
35476
55%
**22
100%
IMR 4064
<<locked>>
84%
58334
90%
**92
100%
IMR 4166 Enduron
<<locked>>
85%
58276
90%
**02
100%
IMR 4350
<<locked>>
90%
58102
89%
**35
100%
IMR 4451 Enduron
<<locked>>
86%
58479
90%
**25
100%
IMR 4831
<<locked>>
94%
58450
90%
**51
100%
IMR 4955 Enduron
<<locked>>
96%
57885
89%
**38
98%
IMR 7828 SSC
<<locked>>
96%
58450
90%
**56
99%
[IMR 8133 Enduron]*
<<locked>>
97%
33721
52%
**10
92%
Lovex S065
<<locked>>
87%
57943
89%
**05
100%
Lovex S070
<<locked>>
88%
57812
89%
**25
100%
Lovex S071
<<locked>>
97%
48559
75%
**00
100%
Norma 204
<<locked>>
89%
58363
90%
**77
99%
Norma 217
<<locked>>
97%
33359
51%
**23
95%
Norma MRP 👍
<<locked>>
95%
57595
89%
**63
100%
Norma URP
<<locked>>
89%
57870
89%
**61
100%
Ramshot Hunter
<<locked>>
90%
58450
90%
**94
100%
Ramshot Magnum
<<locked>>
97%
56840
87%
**04
100%
ReloadSwiss RS 14
<<locked>>
96%
36027
55%
**59
100%
ReloadSwiss RS 60
<<locked>>
86%
58392
90%
**23
100%
ReloadSwiss RS 62
<<locked>>
88%
58102
89%
**84
100%
ReloadSwiss RS 70
<<locked>>
89%
58276
90%
**40
100%
ReloadSwiss RS 76
<<locked>>
97%
46282
71%
**41
100%
[ReloadSwiss RS 80]*
<<locked>>
97%
41394
64%
**07
94%
Rottweil R 903
<<locked>>
84%
58233
90%
**05
100%
Rottweil R 904
<<locked>>
93%
57885
89%
**51
99%
Rottweil R 905 👍
<<locked>>
94%
57812
89%
**87
100%
Rottweil R 907
<<locked>>
87%
58363
90%
**18
100%
SNPE Vectan SP 11
<<locked>>
83%
58276
90%
**41
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
58262
90%
**74
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
57624
89%
**69
100%
Shooters World Long Rifle
<<locked>>
87%
57943
89%
**05
100%
Somchem S355
<<locked>>
84%
57667
89%
**92
100%
Somchem S361
<<locked>>
92%
57609
89%
**12
98%
Somchem S365
<<locked>>
91%
58015
89%
**61
100%
Somchem S385 👍
<<locked>>
94%
57914
89%
**58
100%
Vihtavuori N135
<<locked>>
85%
58218
90%
**07
100%
Vihtavuori N150
<<locked>>
89%
57638
89%
**56
100%
Vihtavuori N160
<<locked>>
87%
58059
89%
**25
100%
Vihtavuori N165
<<locked>>
97%
53127
82%
**76
99%
Vihtavuori N550
<<locked>>
86%
57928
89%
**58
100%
Vihtavuori N555
<<locked>>
95%
58334
90%
**87
100%
Vihtavuori N560
<<locked>>
97%
57609
89%
**53
99%
Vihtavuori N565
<<locked>>
97%
49255
76%
**05
97%
[Vihtavuori N568]*
<<locked>>
97%
42975
66%
**26
94%
Winchester 6.5 StaBALL
<<locked>>
88%
58305
90%
**95
100%
Winchester 760
<<locked>>
84%
57537
89%
**74
100%
Winchester StaBALL HD
<<locked>>
97%
51721
80%
**33
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
54114
83%
**36
100%
ADI AR 2209
<<locked>>
81%
38261
59%
**39
95%
[ADI AR 2213]*
<<locked>>
81%
34040
52%
**54
92%
[ADI AR 2217]*
<<locked>>
88%
31676
49%
**88
90%
[ADI AR 2225]*
<<locked>>
86%
26600
41%
**80
90%
Accurate 2700
<<locked>>
81%
52199
80%
**87
99%
Accurate 3100
<<locked>>
81%
34156
53%
**15
97%
Accurate 4350
<<locked>>
81%
45977
71%
**71
100%
[Accurate MAGPRO]*
<<locked>>
83%
34925
54%
**07
90%
Alliant Reloder-16
<<locked>>
81%
43918
68%
**77
100%
Alliant Reloder-17
<<locked>>
81%
50546
78%
**85
100%
Alliant Reloder-19
<<locked>>
81%
38348
59%
**43
96%
[Alliant Reloder-22]*
<<locked>>
81%
33881
52%
**74
94%
Alliant Reloder-23
<<locked>>
81%
32576
50%
**41
99%
Alliant Reloder-25
<<locked>>
81%
28529
44%
**52
95%
Alliant Reloder-26
<<locked>>
81%
35563
55%
**75
99%
[Hodgdon H1000]*
<<locked>>
88%
31676
49%
**88
90%
Hodgdon H414
<<locked>>
81%
51576
79%
**89
100%
Hodgdon H4350
<<locked>>
81%
41814
64%
**59
98%
[Hodgdon H4831]*
<<locked>>
81%
32111
49%
**72
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
35665
55%
**57
92%
Hodgdon Hybrid 100V
<<locked>>
81%
41568
64%
**66
100%
Hodgdon LVR
<<locked>>
81%
48254
74%
**07
100%
[Hodgdon Retumbo]*
<<locked>>
86%
26600
41%
**80
90%
Hodgdon Superperformance
<<locked>>
81%
46891
72%
**33
99%
Hodgdon VARGET
<<locked>>
81%
53679
83%
**33
100%
Hodgdon TrailBoss
<<locked>>
88%
31386
48%
**44
100%
IMR 4064
<<locked>>
81%
53084
82%
**20
100%
IMR 4166 Enduron
<<locked>>
81%
51634
79%
**97
100%
IMR 4350
<<locked>>
81%
44150
68%
**05
98%
IMR 4451 Enduron
<<locked>>
81%
50299
77%
**94
99%
IMR 4831
<<locked>>
81%
39392
61%
**36
100%
[IMR 4955 Enduron]*
<<locked>>
81%
35940
55%
**31
93%
[IMR 7828 SSC]*
<<locked>>
81%
34882
54%
**93
92%
[IMR 8133 Enduron]*
<<locked>>
94%
30676
47%
**25
90%
Lovex S065
<<locked>>
81%
47514
73%
**41
100%
Lovex S070
<<locked>>
81%
45818
71%
**38
99%
Lovex S071
<<locked>>
81%
29066
45%
**87
95%
Norma 204
<<locked>>
81%
43729
67%
**31
97%
[Norma 217]*
<<locked>>
90%
26861
41%
**26
90%
Norma MRP
<<locked>>
81%
35288
54%
**36
96%
Norma URP
<<locked>>
81%
45005
69%
**51
100%
Ramshot Hunter
<<locked>>
81%
43555
67%
**48
99%
[Ramshot Magnum]*
<<locked>>
81%
31038
48%
**92
93%
ReloadSwiss RS 14
<<locked>>
85%
30705
47%
**54
100%
ReloadSwiss RS 60
<<locked>>
81%
48689
75%
**85
100%
ReloadSwiss RS 62
<<locked>>
81%
45730
70%
**90
100%
ReloadSwiss RS 70
<<locked>>
81%
43627
67%
**03
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
27122
42%
**23
90%
[ReloadSwiss RS 80]*
<<locked>>
91%
34084
52%
**26
90%
Rottweil R 903
<<locked>>
81%
52881
81%
**23
100%
Rottweil R 904
<<locked>>
81%
39682
61%
**20
95%
Rottweil R 905
<<locked>>
81%
37391
58%
**16
95%
Rottweil R 907
<<locked>>
81%
48689
75%
**71
99%
SNPE Vectan SP 11
<<locked>>
81%
54172
83%
**85
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
52953
81%
**08
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
46557
72%
**98
99%
Shooters World Long Rifle
<<locked>>
81%
47514
73%
**41
100%
Somchem S355
<<locked>>
81%
52649
81%
**20
100%
[Somchem S361]*
<<locked>>
81%
40118
62%
**03
94%
Somchem S365
<<locked>>
81%
41742
64%
**15
100%
Somchem S385
<<locked>>
81%
38000
58%
**03
97%
Vihtavuori N135
<<locked>>
81%
51271
79%
**15
100%
Vihtavuori N150
<<locked>>
81%
45527
70%
**75
100%
Vihtavuori N160
<<locked>>
81%
48167
74%
**77
100%
[Vihtavuori N165]*
<<locked>>
81%
31995
49%
**59
94%
Vihtavuori N550
<<locked>>
81%
48979
75%
**26
100%
Vihtavuori N555
<<locked>>
81%
36637
56%
**16
99%
[Vihtavuori N560]*
<<locked>>
81%
34055
52%
**84
91%
[Vihtavuori N565]*
<<locked>>
83%
30879
48%
**98
90%
[Vihtavuori N568]*
<<locked>>
91%
35056
54%
**36
90%
Winchester 6.5 StaBALL
<<locked>>
81%
45382
70%
**08
100%
Winchester 760
<<locked>>
81%
51576
79%
**89
100%
Winchester StaBALL HD
<<locked>>
81%
27528
42%
**48
99%

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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