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Load data for 7 x 66 SE v. Hofe + .284 | 160gr | Winchester FailSafe

Recommended Powder(s): ADI AR 2213, Alliant Reloder-22, IMR 7828 SSC, ReloadSwiss RS 76, Vihtavuori N560

7 x 66 SE v. Hofe + .284 | 160gr | Winchester FailSafe

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 160gr | Winchester FailSafe
Bullet Weight:
160gr | 10.4g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.268" | 32.2mm
Caliber:
7 x 66 SE v. Hofe load data
Case Length (l3):
2.598" | 66.0mm
Cartridge Length (C.O.L.):
3.257" | 82.7mm
Seated Depth:
0.609" | 15.5mm
Shank Seated Depth:
0.609" | 15.5mm
Case Capacity:
93.0 Grains of Water | 6.04 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B6625_C1097
Last updated:
2025-01-01

Load data for 114 loads in caliber 7 x 66 SE v. Hofe with a .284 | 160gr | Winchester FailSafe bullet based on the specified parameters like bullet length, cartridge length, and case capacity as shown 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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  • .

    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>>
89%
56550
89%
**53
100%
ADI AR 2213 👍
<<locked>>
92%
57101
89%
**02
99%
ADI AR 2217
<<locked>>
97%
49472
78%
**71
98%
ADI AR 2225
<<locked>>
97%
44773
70%
**31
100%
Accurate 3100
<<locked>>
92%
57305
90%
**97
100%
Accurate MAGPRO
<<locked>>
92%
57406
90%
**12
98%
Alliant Reloder-16
<<locked>>
85%
56608
89%
**40
100%
Alliant Reloder-19
<<locked>>
89%
57392
90%
**56
100%
Alliant Reloder-22 👍
<<locked>>
92%
57421
90%
**89
100%
Alliant Reloder-23
<<locked>>
93%
56536
89%
**27
100%
Alliant Reloder-25
<<locked>>
97%
56014
88%
**89
100%
Alliant Reloder-26
<<locked>>
89%
57072
89%
**15
100%
[Alliant Reloder-33]*
<<locked>>
97%
46412
73%
**67
94%
Hodgdon H1000
<<locked>>
97%
49472
78%
**71
98%
Hodgdon H4350
<<locked>>
87%
57290
90%
**00
100%
Hodgdon H4831
<<locked>>
94%
56826
89%
**30
99%
Hodgdon H4831 SC
<<locked>>
91%
57058
89%
**40
99%
Hodgdon Hybrid 100V
<<locked>>
87%
57392
90%
**74
100%
Hodgdon Retumbo
<<locked>>
97%
44773
70%
**31
100%
Hodgdon TrailBoss
<<locked>>
97%
35911
56%
**04
100%
IMR 4350
<<locked>>
86%
57261
90%
**00
100%
IMR 4831
<<locked>>
88%
56869
89%
**94
100%
IMR 4955 Enduron
<<locked>>
92%
56956
89%
**00
99%
IMR 7828 SSC 👍
<<locked>>
91%
56811
89%
**05
99%
[IMR 7977 Enduron]*
<<locked>>
97%
56666
89%
**58
93%
IMR 8133 Enduron
<<locked>>
97%
40756
64%
**30
96%
Lovex S065
<<locked>>
83%
56826
89%
**64
100%
Lovex S070
<<locked>>
84%
56913
89%
**90
100%
Lovex S071
<<locked>>
97%
56565
89%
**90
100%
Norma 204
<<locked>>
85%
57319
90%
**36
100%
Norma 217
<<locked>>
97%
41017
64%
**66
98%
Norma MRP
<<locked>>
90%
56695
89%
**99
100%
Norma URP
<<locked>>
84%
57276
90%
**13
100%
Ramshot Hunter
<<locked>>
85%
56927
89%
**33
100%
Ramshot Magnum
<<locked>>
92%
57101
89%
**66
100%
ReloadSwiss RS 14
<<locked>>
96%
36419
57%
**44
100%
ReloadSwiss RS 62
<<locked>>
83%
57072
89%
**30
100%
ReloadSwiss RS 70
<<locked>>
84%
57377
90%
**82
100%
ReloadSwiss RS 76 👍
<<locked>>
97%
55608
87%
**64
100%
ReloadSwiss RS 80
<<locked>>
97%
50923
80%
**46
98%
Rottweil R 904
<<locked>>
88%
56695
89%
**04
99%
Rottweil R 905
<<locked>>
90%
57276
90%
**53
100%
SNPE Vectan Tubal 7000
<<locked>>
84%
57421
90%
**44
100%
Shooters World Long Rifle
<<locked>>
83%
56826
89%
**64
100%
Somchem S361
<<locked>>
88%
57261
90%
**84
99%
Somchem S365
<<locked>>
86%
57319
90%
**10
100%
Somchem S385
<<locked>>
89%
57334
90%
**20
100%
Vihtavuori N150
<<locked>>
85%
57406
90%
**15
100%
Vihtavuori N165
<<locked>>
95%
57363
90%
**00
100%
[Vihtavuori N170]*
<<locked>>
97%
46702
73%
**43
92%
Vihtavuori N555
<<locked>>
90%
57232
90%
**36
100%
Vihtavuori N560 👍
<<locked>>
92%
57029
89%
**05
99%
Vihtavuori N565
<<locked>>
96%
57029
89%
**89
99%
Vihtavuori N568
<<locked>>
97%
51750
81%
**56
97%
[Vihtavuori N570]*
<<locked>>
97%
49197
77%
**36
94%
Winchester 6.5 StaBALL
<<locked>>
84%
57058
89%
**44
100%
Winchester StaBALL HD
<<locked>>
94%
57406
90%
**48
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
43947
69%
**23
98%
ADI AR 2213
<<locked>>
81%
39204
61%
**54
95%
[ADI AR 2217]*
<<locked>>
81%
29950
47%
**98
90%
[ADI AR 2225]*
<<locked>>
81%
26861
42%
**46
92%
Accurate 3100
<<locked>>
81%
40045
63%
**02
99%
[Accurate MAGPRO]*
<<locked>>
81%
38638
61%
**41
93%
Alliant Reloder-16
<<locked>>
81%
50111
79%
**41
100%
Alliant Reloder-19
<<locked>>
81%
44019
69%
**20
98%
Alliant Reloder-22
<<locked>>
81%
39769
62%
**61
97%
Alliant Reloder-23
<<locked>>
81%
38464
60%
**15
100%
Alliant Reloder-25
<<locked>>
81%
33301
52%
**36
98%
Alliant Reloder-26
<<locked>>
81%
42685
67%
**79
100%
[Alliant Reloder-33]*
<<locked>>
91%
37927
59%
**74
90%
[Hodgdon H1000]*
<<locked>>
81%
29950
47%
**98
90%
Hodgdon H4350
<<locked>>
81%
47413
74%
**30
99%
[Hodgdon H4831]*
<<locked>>
81%
37188
58%
**49
94%
Hodgdon H4831 SC
<<locked>>
81%
40988
64%
**41
95%
Hodgdon Hybrid 100V
<<locked>>
81%
47587
75%
**20
100%
[Hodgdon Retumbo]*
<<locked>>
81%
26861
42%
**46
92%
Hodgdon TrailBoss
<<locked>>
81%
28645
45%
**54
100%
IMR 4350
<<locked>>
81%
49966
78%
**82
100%
IMR 4831
<<locked>>
81%
45643
72%
**07
100%
IMR 4955 Enduron
<<locked>>
81%
41002
64%
**05
95%
IMR 7828 SSC
<<locked>>
81%
40364
63%
**94
96%
[IMR 7977 Enduron]*
<<locked>>
91%
47355
74%
**90
90%
[IMR 8133 Enduron]*
<<locked>>
87%
29269
46%
**25
90%
Lovex S065
<<locked>>
81%
53519
84%
**08
100%
Lovex S070
<<locked>>
81%
52054
82%
**08
100%
Lovex S071
<<locked>>
81%
34577
54%
**74
98%
Norma 204
<<locked>>
81%
50357
79%
**18
99%
[Norma 217]*
<<locked>>
83%
25715
40%
**33
90%
Norma MRP
<<locked>>
81%
41698
65%
**36
99%
Norma URP
<<locked>>
81%
51445
81%
**28
100%
Ramshot Hunter
<<locked>>
81%
50227
79%
**28
100%
Ramshot Magnum
<<locked>>
81%
37043
58%
**05
97%
ReloadSwiss RS 14
<<locked>>
81%
29254
46%
**90
100%
ReloadSwiss RS 62
<<locked>>
81%
52823
83%
**67
100%
ReloadSwiss RS 70
<<locked>>
81%
50908
80%
**87
100%
ReloadSwiss RS 76
<<locked>>
81%
31604
50%
**26
95%
[ReloadSwiss RS 80]*
<<locked>>
84%
32285
51%
**26
90%
Rottweil R 904
<<locked>>
81%
44991
70%
**00
97%
Rottweil R 905
<<locked>>
81%
43511
68%
**10
98%
SNPE Vectan Tubal 7000
<<locked>>
81%
52417
82%
**62
100%
Shooters World Long Rifle
<<locked>>
81%
53519
84%
**08
100%
Somchem S361
<<locked>>
81%
45934
72%
**87
97%
Somchem S365
<<locked>>
81%
48863
77%
**82
100%
Somchem S385
<<locked>>
81%
43961
69%
**87
99%
Vihtavuori N150
<<locked>>
81%
51155
80%
**23
100%
Vihtavuori N165
<<locked>>
81%
37188
58%
**39
97%
[Vihtavuori N170]*
<<locked>>
94%
42032
66%
**48
90%
Vihtavuori N555
<<locked>>
81%
43018
67%
**00
100%
Vihtavuori N560
<<locked>>
81%
39958
63%
**80
95%
[Vihtavuori N565]*
<<locked>>
81%
34592
54%
**33
93%
[Vihtavuori N568]*
<<locked>>
84%
33388
52%
**43
90%
[Vihtavuori N570]*
<<locked>>
90%
39334
62%
**20
90%
Winchester 6.5 StaBALL
<<locked>>
81%
52112
82%
**72
100%
Winchester StaBALL HD
<<locked>>
81%
35041
55%
**51
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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