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Load data for 7.5 x 55 SWISS + .308 | 220gr | Sako Hammerhead

Recommended Powder(s): Accurate 4350, Alliant Reloder-16, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70

7.5 x 55 SWISS + .308 | 220gr | Sako Hammerhead

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 220gr | Sako Hammerhead
Manufacturer SKU:
228A
Bullet Weight:
220gr | 14.3g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.346" | 34.2mm
Caliber:
7.5 x 55 SWISS load data
Case Length (l3):
2.188" | 55.6mm
Cartridge Length (C.O.L.):
3.013" | 76.5mm
Seated Depth:
0.521" | 13.2mm
Shank Seated Depth:
0.521" | 13.2mm
Case Capacity:
65.0 Grains of Water | 4.22 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
55114 psi | 3800 bar
LID:
LID_B10007_C1112
Last updated:
2025-02-02

Load data for 0 loads in caliber 7.5 x 55 SWISS with .308 | 220gr | Sako Hammerhead bullet and 0 powders such as Accurate 4350, Alliant Reloder-16, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70. 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".

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  • 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>>
86%
49124
89%
**00
100%
ADI AR 2209
<<locked>>
97%
47688
87%
**59
97%
[ADI AR 2213]*
<<locked>>
97%
42032
76%
**80
93%
Accurate 2700
<<locked>>
87%
49095
89%
**67
98%
Accurate 3100
<<locked>>
97%
40161
73%
**31
98%
Accurate 4064
<<locked>>
85%
49313
89%
**90
100%
Accurate 4350 👍
<<locked>>
93%
49342
90%
**79
100%
Alliant Power Pro 2000-MR
<<locked>>
83%
49545
90%
**31
100%
Alliant Reloder- TS 15.5
<<locked>>
86%
49327
90%
**20
100%
Alliant Reloder-15
<<locked>>
83%
48820
89%
**29
100%
Alliant Reloder-16 👍
<<locked>>
94%
49052
89%
**05
100%
Alliant Reloder-17
<<locked>>
90%
48936
89%
**21
100%
Alliant Reloder-19
<<locked>>
97%
46354
84%
**46
96%
Alliant Reloder-22
<<locked>>
97%
40350
73%
**90
95%
Alliant Reloder-23
<<locked>>
96%
38101
69%
**54
100%
Alliant Reloder-25
<<locked>>
97%
33968
62%
**78
96%
Alliant Reloder-26
<<locked>>
97%
42322
77%
**92
99%
[Bofors RP15]*
<<locked>>
97%
37594
68%
**34
94%
Bofors RP3
<<locked>>
86%
49298
89%
**29
100%
Bofors RP5
<<locked>>
97%
40350
73%
**90
95%
Bofors RP7
<<locked>>
90%
49298
89%
**06
98%
Hodgdon CFE223
<<locked>>
84%
49066
89%
**72
100%
Hodgdon H380
<<locked>>
85%
49095
89%
**26
100%
Hodgdon H414
<<locked>>
89%
48950
89%
**82
99%
Hodgdon H4350
<<locked>>
95%
49095
89%
**29
98%
[Hodgdon H4831]*
<<locked>>
97%
39334
71%
**92
91%
[Hodgdon H4831 SC]*
<<locked>>
97%
44193
80%
**80
93%
Hodgdon Hybrid 100V
<<locked>>
97%
49545
90%
**56
100%
Hodgdon LVR
<<locked>>
91%
48892
89%
**69
100%
Hodgdon Superperformance
<<locked>>
91%
48892
89%
**15
98%
Hodgdon VARGET
<<locked>>
86%
48733
88%
**97
100%
IMR 4064
<<locked>>
87%
49371
90%
**93
100%
IMR 4166 Enduron
<<locked>>
87%
49023
89%
**77
98%
IMR 4350
<<locked>>
93%
49197
89%
**26
98%
IMR 4451 Enduron
<<locked>>
88%
49066
89%
**10
98%
IMR 4831
<<locked>>
97%
47355
86%
**39
100%
[IMR 4955 Enduron]*
<<locked>>
97%
44106
80%
**47
94%
[IMR 7828 SSC]*
<<locked>>
97%
43178
78%
**16
93%
Lovex S062
<<locked>>
84%
48965
89%
**87
100%
Lovex S065
<<locked>>
91%
49487
90%
**16
99%
Lovex S070
<<locked>>
92%
48834
89%
**29
99%
Lovex S071
<<locked>>
97%
33359
61%
**06
96%
Norma 203B
<<locked>>
84%
48979
89%
**29
100%
Norma 204
<<locked>>
93%
49284
89%
**72
97%
Norma MRP
<<locked>>
97%
42612
77%
**59
97%
Norma URP
<<locked>>
93%
48863
89%
**72
100%
Ramshot Big Game
<<locked>>
84%
48994
89%
**49
100%
[Ramshot Grand]*
<<locked>>
97%
44933
82%
**59
94%
Ramshot Hunter 👍
<<locked>>
94%
48675
88%
**85
99%
Ramshot Magnum
<<locked>>
97%
38812
70%
**34
95%
ReloadSwiss RS 50
<<locked>>
85%
49124
89%
**13
99%
ReloadSwiss RS 60
<<locked>>
88%
49066
89%
**21
100%
ReloadSwiss RS 62 👍
<<locked>>
93%
49066
89%
**98
100%
ReloadSwiss RS 70 👍
<<locked>>
94%
49211
89%
**38
100%
Rottweil R 903
<<locked>>
88%
49240
89%
**23
100%
Rottweil R 904
<<locked>>
97%
49255
89%
**39
96%
Rottweil R 905
<<locked>>
97%
45397
82%
**36
96%
Rottweil R 907
<<locked>>
90%
49298
89%
**06
98%
SNPE Vectan SP 11
<<locked>>
87%
49313
89%
**56
100%
SNPE Vectan Tubal 5000
<<locked>>
86%
49313
89%
**08
100%
SNPE Vectan Tubal 7000
<<locked>>
91%
49023
89%
**70
98%
Shooters World Long Rifle
<<locked>>
91%
49487
90%
**16
99%
Shooters World Precision
<<locked>>
84%
48965
89%
**87
100%
Somchem S355
<<locked>>
88%
49574
90%
**23
100%
Somchem S361
<<locked>>
96%
48994
89%
**10
95%
Somchem S365
<<locked>>
96%
48820
89%
**02
100%
Somchem S385
<<locked>>
97%
45614
83%
**13
97%
Vihtavuori N135
<<locked>>
88%
49153
89%
**44
100%
Vihtavuori N150
<<locked>>
93%
49255
89%
**87
100%
Vihtavuori N160
<<locked>>
91%
49023
89%
**39
100%
Vihtavuori N165
<<locked>>
97%
38508
70%
**82
95%
Vihtavuori N540
<<locked>>
83%
49182
89%
**83
100%
Vihtavuori N550
<<locked>>
91%
49211
89%
**75
100%
Vihtavuori N555
<<locked>>
96%
42047
76%
**16
100%
[Vihtavuori N560]*
<<locked>>
96%
40611
74%
**93
92%
Winchester 6.5 StaBALL
<<locked>>
92%
48878
89%
**23
100%
Winchester 760
<<locked>>
89%
48950
89%
**82
99%
Winchester StaBALL HD
<<locked>>
97%
34374
62%
**80
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
42192
77%
**95
99%
[ADI AR 2209]*
<<locked>>
84%
31241
57%
**41
90%
[ADI AR 2213]*
<<locked>>
92%
36158
66%
**65
90%
Accurate 2700
<<locked>>
81%
40712
74%
**33
96%
[Accurate 3100]*
<<locked>>
81%
23598
43%
**73
90%
Accurate 4064
<<locked>>
81%
43801
79%
**18
100%
Accurate 4350
<<locked>>
81%
32634
59%
**00
97%
Alliant Power Pro 2000-MR
<<locked>>
81%
45919
83%
**72
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
42380
77%
**18
100%
Alliant Reloder-15
<<locked>>
81%
45237
82%
**74
100%
Alliant Reloder-16
<<locked>>
81%
32721
59%
**06
97%
Alliant Reloder-17
<<locked>>
81%
36550
66%
**15
100%
[Alliant Reloder-19]*
<<locked>>
83%
30705
56%
**37
90%
[Alliant Reloder-22]*
<<locked>>
88%
30371
55%
**67
90%
[Alliant Reloder-23]*
<<locked>>
81%
23743
43%
**00
94%
[Alliant Reloder-25]*
<<locked>>
87%
25454
46%
**46
90%
[Alliant Reloder-26]*
<<locked>>
81%
24772
45%
**72
91%
[Bofors RP15]*
<<locked>>
90%
30603
56%
**77
90%
Bofors RP3
<<locked>>
81%
42119
76%
**24
100%
[Bofors RP5]*
<<locked>>
88%
30371
55%
**67
90%
Bofors RP7
<<locked>>
81%
37768
69%
**19
95%
Hodgdon CFE223
<<locked>>
81%
43642
79%
**90
99%
Hodgdon H380
<<locked>>
81%
42902
78%
**38
99%
Hodgdon H414
<<locked>>
81%
38116
69%
**98
96%
[Hodgdon H4350]*
<<locked>>
81%
31792
58%
**21
93%
[Hodgdon H4831]*
<<locked>>
94%
36318
66%
**36
90%
[Hodgdon H4831 SC]*
<<locked>>
91%
36318
66%
**36
90%
Hodgdon Hybrid 100V
<<locked>>
81%
30110
55%
**21
98%
Hodgdon LVR
<<locked>>
81%
35723
65%
**42
97%
[Hodgdon Superperformance]*
<<locked>>
81%
33968
62%
**36
94%
Hodgdon VARGET
<<locked>>
81%
41843
76%
**88
99%
IMR 4064
<<locked>>
81%
41539
75%
**72
99%
IMR 4166 Enduron
<<locked>>
81%
41336
75%
**52
97%
[IMR 4350]*
<<locked>>
81%
33591
61%
**57
94%
IMR 4451 Enduron
<<locked>>
81%
39291
71%
**46
96%
IMR 4831
<<locked>>
81%
28906
52%
**95
96%
[IMR 4955 Enduron]*
<<locked>>
89%
35317
64%
**87
90%
[IMR 7828 SSC]*
<<locked>>
91%
35549
65%
**62
90%
Lovex S062
<<locked>>
81%
44599
81%
**24
100%
Lovex S065
<<locked>>
81%
36463
66%
**00
97%
Lovex S070
<<locked>>
81%
34780
63%
**83
95%
[Lovex S071]*
<<locked>>
86%
23598
43%
**73
90%
Norma 203B
<<locked>>
81%
44599
81%
**60
100%
[Norma 204]*
<<locked>>
81%
32808
60%
**67
91%
[Norma MRP]*
<<locked>>
83%
27499
50%
**21
90%
Norma URP
<<locked>>
81%
32837
60%
**96
97%
Ramshot Big Game
<<locked>>
81%
44556
81%
**83
100%
[Ramshot Grand]*
<<locked>>
90%
35433
64%
**72
90%
Ramshot Hunter
<<locked>>
81%
32024
58%
**83
95%
[Ramshot Magnum]*
<<locked>>
90%
30603
56%
**60
90%
ReloadSwiss RS 50
<<locked>>
81%
43279
79%
**21
98%
ReloadSwiss RS 60
<<locked>>
81%
39001
71%
**64
100%
ReloadSwiss RS 62
<<locked>>
81%
32271
59%
**13
97%
ReloadSwiss RS 70
<<locked>>
81%
32343
59%
**16
96%
Rottweil R 903
<<locked>>
81%
39668
72%
**78
100%
[Rottweil R 904]*
<<locked>>
85%
33489
61%
**57
90%
[Rottweil R 905]*
<<locked>>
84%
30052
55%
**34
90%
Rottweil R 907
<<locked>>
81%
37768
69%
**19
95%
SNPE Vectan SP 11
<<locked>>
81%
40625
74%
**28
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
41989
76%
**13
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
35940
65%
**57
95%
Shooters World Long Rifle
<<locked>>
81%
36463
66%
**00
97%
Shooters World Precision
<<locked>>
81%
44599
81%
**24
100%
Somchem S355
<<locked>>
81%
40176
73%
**75
100%
[Somchem S361]*
<<locked>>
86%
35737
65%
**83
90%
Somchem S365
<<locked>>
81%
29602
54%
**64
99%
[Somchem S385]*
<<locked>>
81%
27543
50%
**55
90%
Vihtavuori N135
<<locked>>
81%
39363
71%
**13
100%
Vihtavuori N150
<<locked>>
81%
34519
63%
**60
100%
Vihtavuori N160
<<locked>>
81%
35926
65%
**23
98%
[Vihtavuori N165]*
<<locked>>
88%
28935
53%
**78
90%
Vihtavuori N540
<<locked>>
81%
45643
83%
**34
100%
Vihtavuori N550
<<locked>>
81%
36245
66%
**59
98%
Vihtavuori N555
<<locked>>
81%
25512
46%
**65
95%
[Vihtavuori N560]*
<<locked>>
93%
36405
66%
**08
90%
Winchester 6.5 StaBALL
<<locked>>
81%
33721
61%
**77
99%
Winchester 760
<<locked>>
81%
38116
69%
**98
96%
[Winchester StaBALL HD]*
<<locked>>
81%
20987
38%
**54
91%

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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