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Load data for 7 x 66 SE v. Hofe + .284 | 180gr | Berger Hybrid Target

Recommended Powder(s): Accurate MAGPRO, IMR 7828 SSC, ReloadSwiss RS 76, Vihtavuori N560, Vihtavuori N565

7 x 66 SE v. Hofe + .284 | 180gr | Berger Hybrid Target

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 180gr | Berger Hybrid Target
Manufacturer SKU:
28407
Bullet Weight:
180gr | 11.7g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.527" | 38.8mm
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:
0.868" | 22.0mm
Shank Seated Depth:
0.623" | 15.8mm
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_B1044_C1097
Last updated:
2025-01-01
Recommended Twist Rate:
1:9 - 1:8

Load data for 108 loads in caliber 7 x 66 SE v. Hofe with .284 | 180gr | Berger Hybrid Target bullet and 54 powders such as Accurate MAGPRO, IMR 7828 SSC, ReloadSwiss RS 76, Vihtavuori N560, Vihtavuori N565. 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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    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>>
88%
57159
90%
**02
100%
ADI AR 2213
<<locked>>
91%
57101
89%
**41
100%
ADI AR 2217
<<locked>>
97%
50749
80%
**49
99%
[ADI AR 2218]*
<<locked>>
97%
44150
69%
**94
94%
ADI AR 2225
<<locked>>
97%
46195
72%
**17
100%
Accurate 3100
<<locked>>
91%
57246
90%
**43
100%
Accurate MAGPRO 👍
<<locked>>
91%
56637
89%
**48
99%
Alliant Reloder-16
<<locked>>
84%
57174
90%
**85
100%
Alliant Reloder-19
<<locked>>
88%
57435
90%
**99
100%
Alliant Reloder-22
<<locked>>
91%
57261
90%
**35
100%
Alliant Reloder-23
<<locked>>
92%
57363
90%
**79
100%
Alliant Reloder-25
<<locked>>
96%
56927
89%
**38
100%
Alliant Reloder-26
<<locked>>
88%
57421
90%
**61
100%
Alliant Reloder-33
<<locked>>
97%
47747
75%
**53
96%
[Alliant Reloder-50]*
<<locked>>
97%
40364
63%
**12
93%
Hodgdon H1000
<<locked>>
97%
50749
80%
**49
99%
Hodgdon H4350
<<locked>>
86%
57130
90%
**40
100%
Hodgdon H4831
<<locked>>
94%
57319
90%
**92
99%
Hodgdon H4831 SC
<<locked>>
90%
56768
89%
**85
99%
Hodgdon Hybrid 100V
<<locked>>
86%
57145
90%
**10
100%
Hodgdon Retumbo
<<locked>>
97%
46195
72%
**17
100%
Hodgdon TrailBoss
<<locked>>
96%
35549
56%
**86
100%
IMR 4350
<<locked>>
85%
57334
90%
**46
100%
IMR 4831
<<locked>>
88%
57174
90%
**33
100%
IMR 4955 Enduron
<<locked>>
91%
56942
89%
**53
99%
IMR 7828 SSC 👍
<<locked>>
90%
57203
90%
**58
100%
[IMR 7977 Enduron]*
<<locked>>
96%
57000
89%
**17
94%
IMR 8133 Enduron
<<locked>>
97%
41989
66%
**25
98%
Lovex S070
<<locked>>
83%
56768
89%
**26
100%
Lovex S071
<<locked>>
96%
56782
89%
**36
100%
Norma 204
<<locked>>
84%
57043
89%
**79
100%
Norma 217
<<locked>>
97%
42583
67%
**61
100%
Norma MRP
<<locked>>
89%
57290
90%
**54
100%
Norma URP
<<locked>>
83%
57217
90%
**49
100%
Ramshot Hunter
<<locked>>
84%
56768
89%
**76
100%
Ramshot Magnum
<<locked>>
91%
57232
90%
**15
100%
ReloadSwiss RS 14
<<locked>>
96%
36419
57%
**26
100%
ReloadSwiss RS 76 👍
<<locked>>
96%
56768
89%
**17
100%
ReloadSwiss RS 80
<<locked>>
97%
52895
83%
**31
99%
Rottweil R 904
<<locked>>
87%
56724
89%
**53
100%
Rottweil R 905
<<locked>>
88%
56782
89%
**85
100%
SNPE Vectan Tubal 7000
<<locked>>
83%
57363
90%
**87
100%
Somchem S361
<<locked>>
87%
56681
89%
**26
99%
Somchem S365
<<locked>>
85%
56913
89%
**33
100%
Somchem S385
<<locked>>
88%
56811
89%
**56
100%
Vihtavuori N150
<<locked>>
84%
57101
89%
**51
100%
Vihtavuori N165
<<locked>>
93%
56826
89%
**46
100%
[Vihtavuori N170]*
<<locked>>
97%
47500
74%
**21
94%
Vihtavuori N555
<<locked>>
89%
56840
89%
**69
100%
Vihtavuori N560 👍
<<locked>>
91%
57290
90%
**61
100%
Vihtavuori N565 👍
<<locked>>
95%
57087
89%
**44
100%
Vihtavuori N568
<<locked>>
97%
54041
85%
**44
99%
Vihtavuori N570
<<locked>>
97%
51634
81%
**41
97%
Winchester StaBALL HD
<<locked>>
92%
56594
89%
**64
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
45194
71%
**05
99%
ADI AR 2213
<<locked>>
81%
40553
64%
**49
97%
[ADI AR 2217]*
<<locked>>
81%
30095
47%
**90
92%
[ADI AR 2218]*
<<locked>>
92%
37260
58%
**33
90%
ADI AR 2225
<<locked>>
81%
27528
43%
**64
95%
Accurate 3100
<<locked>>
81%
40901
64%
**77
100%
Accurate MAGPRO
<<locked>>
81%
40103
63%
**43
95%
Alliant Reloder-16
<<locked>>
81%
51953
81%
**07
100%
Alliant Reloder-19
<<locked>>
81%
45034
71%
**98
99%
Alliant Reloder-22
<<locked>>
81%
41046
64%
**52
98%
Alliant Reloder-23
<<locked>>
81%
39798
62%
**00
100%
Alliant Reloder-25
<<locked>>
81%
34258
54%
**41
99%
Alliant Reloder-26
<<locked>>
81%
44396
70%
**54
100%
[Alliant Reloder-33]*
<<locked>>
88%
34722
54%
**74
90%
[Alliant Reloder-50]*
<<locked>>
93%
35534
56%
**00
90%
[Hodgdon H1000]*
<<locked>>
81%
30095
47%
**90
92%
Hodgdon H4350
<<locked>>
81%
48660
76%
**08
100%
Hodgdon H4831
<<locked>>
81%
38189
60%
**44
95%
Hodgdon H4831 SC
<<locked>>
81%
42467
67%
**36
97%
Hodgdon Hybrid 100V
<<locked>>
81%
49081
77%
**92
100%
Hodgdon Retumbo
<<locked>>
81%
27528
43%
**64
95%
Hodgdon TrailBoss
<<locked>>
91%
33156
52%
**44
100%
IMR 4350
<<locked>>
81%
51010
80%
**51
100%
IMR 4831
<<locked>>
81%
46702
73%
**79
100%
IMR 4955 Enduron
<<locked>>
81%
42032
66%
**97
97%
IMR 7828 SSC
<<locked>>
81%
41640
65%
**79
97%
[IMR 7977 Enduron]*
<<locked>>
87%
42931
67%
**74
90%
[IMR 8133 Enduron]*
<<locked>>
83%
26731
42%
**34
90%
Lovex S070
<<locked>>
81%
53171
83%
**74
100%
Lovex S071
<<locked>>
81%
35375
55%
**65
99%
Norma 204
<<locked>>
81%
51721
81%
**00
100%
[Norma 217]*
<<locked>>
81%
25019
39%
**98
92%
Norma MRP
<<locked>>
81%
43178
68%
**18
100%
Norma URP
<<locked>>
81%
52750
83%
**90
100%
Ramshot Hunter
<<locked>>
81%
51764
81%
**97
100%
Ramshot Magnum
<<locked>>
81%
38348
60%
**97
98%
ReloadSwiss RS 14
<<locked>>
87%
32329
51%
**47
100%
ReloadSwiss RS 76
<<locked>>
81%
32474
51%
**34
97%
[ReloadSwiss RS 80]*
<<locked>>
81%
29356
46%
**26
90%
Rottweil R 904
<<locked>>
81%
46267
73%
**79
98%
Rottweil R 905
<<locked>>
81%
44889
70%
**92
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
53708
84%
**35
100%
Somchem S361
<<locked>>
81%
47210
74%
**72
98%
Somchem S365
<<locked>>
81%
50125
79%
**44
100%
Somchem S385
<<locked>>
81%
45165
71%
**69
99%
Vihtavuori N150
<<locked>>
81%
52504
82%
**92
100%
Vihtavuori N165
<<locked>>
81%
38130
60%
**21
98%
[Vihtavuori N170]*
<<locked>>
89%
37753
59%
**31
90%
Vihtavuori N555
<<locked>>
81%
44396
70%
**72
100%
Vihtavuori N560
<<locked>>
81%
41133
64%
**75
97%
Vihtavuori N565
<<locked>>
81%
35694
56%
**34
95%
[Vihtavuori N568]*
<<locked>>
81%
30864
48%
**56
90%
[Vihtavuori N570]*
<<locked>>
86%
35723
56%
**00
90%
Winchester StaBALL HD
<<locked>>
81%
36912
58%
**49
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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