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Load data for 7 x 66 SE v. Hofe + .284 | 150gr | Berger Classic Hybrid Hunter

Recommended Powder(s):

7 x 66 SE v. Hofe + .284 | 150gr | Berger Classic Hybrid Hunter

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 150gr | Berger Classic Hybrid Hunter
Manufacturer SKU:
28571
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
<<locked>>
Caliber:
7 x 66 SE v. Hofe load data
Case Length (l3):
2.598" | 66.0mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
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_B1029_C1097
Last updated:
2026-05-30

Load data for 138 loads in caliber 7 x 66 SE v. Hofe with .284 | 150gr | Berger Classic Hybrid Hunter bullet and 69 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".

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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 2209 👍
<<locked>>
91%
57276
90%
**48
99%
ADI AR 2213
<<locked>>
94%
57000
89%
**81
99%
ADI AR 2217
<<locked>>
97%
46427
73%
**90
97%
ADI AR 2225
<<locked>>
97%
41597
65%
**38
99%
Accurate 3100
<<locked>>
94%
57188
90%
**86
100%
Accurate 4350
<<locked>>
85%
56913
89%
**02
100%
Accurate MAGPRO
<<locked>>
92%
57130
90%
**04
98%
Alliant Reloder-16
<<locked>>
86%
56985
89%
**41
100%
Alliant Reloder-19
<<locked>>
91%
57261
90%
**45
99%
Alliant Reloder-22 👍
<<locked>>
94%
57101
89%
**81
100%
Alliant Reloder-23
<<locked>>
95%
56855
89%
**31
100%
Alliant Reloder-25
<<locked>>
97%
52852
83%
**38
100%
Alliant Reloder-26
<<locked>>
91%
57174
90%
**10
100%
Baschieri & Pellagri 109
<<locked>>
95%
57043
89%
**12
96%
Bofors RP15
<<locked>>
96%
57363
90%
**77
99%
Bofors RP30
<<locked>>
97%
49066
77%
**63
98%
Bofors RP5 👍
<<locked>>
94%
57101
89%
**81
100%
Bofors RP7
<<locked>>
84%
57174
90%
**72
100%
Hodgdon H1000
<<locked>>
97%
51039
80%
**76
99%
Hodgdon H414
<<locked>>
84%
57116
89%
**28
100%
Hodgdon H4831
<<locked>>
92%
57392
90%
**28
98%
Hodgdon H4831 SC
<<locked>>
92%
57392
90%
**28
98%
Hodgdon Hybrid 100V
<<locked>>
88%
57188
90%
**63
100%
Hodgdon Retumbo
<<locked>>
97%
51459
81%
**94
100%
Hodgdon Superperformance
<<locked>>
84%
57421
90%
**68
100%
Hodgdon TrailBoss
<<locked>>
97%
35592
56%
**64
100%
IMR 4350
<<locked>>
87%
57305
90%
**92
100%
IMR 4831
<<locked>>
87%
56927
89%
**82
100%
IMR 4955 Enduron
<<locked>>
91%
57188
90%
**99
98%
IMR 7828 SSC
<<locked>>
95%
57246
90%
**97
99%
[IMR 7977 Enduron]*
<<locked>>
97%
54462
85%
**97
91%
[IMR 8133 Enduron]*
<<locked>>
97%
37652
59%
**43
94%
Lovex S065
<<locked>>
85%
56985
89%
**56
100%
Lovex S070
<<locked>>
86%
57406
90%
**92
100%
Lovex S071
<<locked>>
97%
53650
84%
**33
100%
Norma 204
<<locked>>
86%
56695
89%
**18
99%
Norma 217
<<locked>>
97%
37608
59%
**69
97%
Norma MRP 👍
<<locked>>
92%
57101
89%
**97
100%
Norma URP
<<locked>>
86%
56971
89%
**09
100%
Ramshot Grand
<<locked>>
94%
57232
90%
**07
99%
Ramshot Hunter
<<locked>>
86%
57101
89%
**28
100%
Ramshot Magnum
<<locked>>
97%
56536
89%
**51
100%
ReloadSwiss RS 14
<<locked>>
96%
36071
57%
**03
100%
ReloadSwiss RS 62
<<locked>>
85%
56855
89%
**22
100%
ReloadSwiss RS 70
<<locked>>
86%
57319
90%
**84
100%
ReloadSwiss RS 76
<<locked>>
97%
51953
81%
**87
100%
ReloadSwiss RS 80
<<locked>>
97%
47065
74%
**66
96%
Rottweil R 904
<<locked>>
90%
56797
89%
**95
99%
Rottweil R 905
<<locked>>
91%
57058
89%
**41
100%
Rottweil R 907
<<locked>>
84%
57174
90%
**72
100%
SNPE Vectan Tubal 7000
<<locked>>
85%
56797
89%
**17
100%
SNPE Vectan Tubal 8000 👍
<<locked>>
91%
57246
90%
**48
100%
Shooters World Long Rifle
<<locked>>
85%
56985
89%
**56
100%
Somchem S361
<<locked>>
89%
57261
90%
**72
98%
Somchem S365
<<locked>>
87%
56768
89%
**92
100%
Somchem S385
<<locked>>
91%
57348
90%
**09
100%
Vihtavuori N160
<<locked>>
85%
57101
89%
**76
100%
Vihtavuori N165
<<locked>>
95%
56913
89%
**89
100%
[Vihtavuori N170]*
<<locked>>
97%
52185
82%
**23
93%
Vihtavuori N550
<<locked>>
85%
56855
89%
**89
100%
Vihtavuori N555
<<locked>>
92%
57406
90%
**31
100%
Vihtavuori N560
<<locked>>
92%
56971
89%
**04
98%
Vihtavuori N565
<<locked>>
97%
55361
87%
**51
98%
Vihtavuori N568
<<locked>>
97%
48573
76%
**79
96%
[Vihtavuori N570]*
<<locked>>
97%
46035
72%
**49
92%
Winchester 6.5 StaBALL
<<locked>>
85%
57377
90%
**33
100%
Winchester 760
<<locked>>
84%
57116
89%
**28
100%
Winchester StaBALL HD
<<locked>>
96%
56898
89%
**36
100%
Winchester Supreme 780
<<locked>>
93%
57043
89%
**99
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
41379
65%
**49
96%
[ADI AR 2213]*
<<locked>>
81%
37101
58%
**74
93%
[ADI AR 2217]*
<<locked>>
85%
31517
49%
**16
90%
[ADI AR 2225]*
<<locked>>
83%
26948
42%
**05
90%
Accurate 3100
<<locked>>
81%
37289
58%
**18
98%
Accurate 4350
<<locked>>
81%
49835
78%
**90
100%
[Accurate MAGPRO]*
<<locked>>
81%
38247
60%
**26
92%
Alliant Reloder-16
<<locked>>
81%
47834
75%
**97
100%
Alliant Reloder-19
<<locked>>
81%
41466
65%
**49
97%
Alliant Reloder-22
<<locked>>
81%
37246
58%
**90
95%
Alliant Reloder-23
<<locked>>
81%
35810
56%
**51
100%
Alliant Reloder-25
<<locked>>
81%
31053
49%
**56
96%
Alliant Reloder-26
<<locked>>
81%
39697
62%
**02
99%
[Baschieri & Pellagri 109]*
<<locked>>
82%
38769
61%
**44
90%
[Bofors RP15]*
<<locked>>
81%
34693
54%
**21
94%
[Bofors RP30]*
<<locked>>
83%
29950
47%
**13
90%
Bofors RP5
<<locked>>
81%
37246
58%
**90
95%
Bofors RP7
<<locked>>
81%
52214
82%
**94
99%
[Hodgdon H1000]*
<<locked>>
81%
30211
47%
**77
90%
Hodgdon H414
<<locked>>
81%
51503
81%
**36
100%
[Hodgdon H4831]*
<<locked>>
81%
39508
62%
**80
94%
[Hodgdon H4831 SC]*
<<locked>>
81%
38914
61%
**71
93%
Hodgdon Hybrid 100V
<<locked>>
81%
45005
71%
**69
100%
[Hodgdon Retumbo]*
<<locked>>
81%
30284
47%
**52
91%
Hodgdon Superperformance
<<locked>>
81%
51619
81%
**66
100%
Hodgdon TrailBoss
<<locked>>
81%
28485
45%
**09
100%
IMR 4350
<<locked>>
81%
47355
74%
**12
99%
IMR 4831
<<locked>>
81%
47471
74%
**31
100%
IMR 4955 Enduron
<<locked>>
81%
41205
65%
**90
95%
[IMR 7828 SSC]*
<<locked>>
81%
35679
56%
**44
93%
[IMR 7977 Enduron]*
<<locked>>
94%
50314
79%
**25
90%
[IMR 8133 Enduron]*
<<locked>>
91%
31169
49%
**62
90%
Lovex S065
<<locked>>
81%
50879
80%
**61
100%
Lovex S070
<<locked>>
81%
49342
77%
**54
99%
Lovex S071
<<locked>>
81%
32068
50%
**87
96%
Norma 204
<<locked>>
81%
47906
75%
**67
98%
[Norma 217]*
<<locked>>
87%
26934
42%
**41
90%
Norma MRP
<<locked>>
81%
39088
61%
**53
97%
Norma URP
<<locked>>
81%
48704
76%
**74
100%
[Ramshot Grand]*
<<locked>>
81%
35027
55%
**41
93%
Ramshot Hunter
<<locked>>
81%
47630
75%
**64
100%
[Ramshot Magnum]*
<<locked>>
81%
31357
49%
**30
93%
ReloadSwiss RS 14
<<locked>>
81%
29008
45%
**49
100%
ReloadSwiss RS 62
<<locked>>
81%
49908
78%
**07
100%
ReloadSwiss RS 70
<<locked>>
81%
48167
75%
**27
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
29399
46%
**20
92%
[ReloadSwiss RS 80]*
<<locked>>
88%
34403
54%
**64
90%
Rottweil R 904
<<locked>>
81%
42757
67%
**26
96%
Rottweil R 905
<<locked>>
81%
40857
64%
**36
97%
Rottweil R 907
<<locked>>
81%
52214
82%
**94
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
49893
78%
**12
99%
SNPE Vectan Tubal 8000
<<locked>>
81%
40524
63%
**30
96%
Shooters World Long Rifle
<<locked>>
81%
50879
80%
**61
100%
Somchem S361
<<locked>>
81%
43685
68%
**20
95%
Somchem S365
<<locked>>
81%
45803
72%
**25
100%
Somchem S385
<<locked>>
81%
41524
65%
**17
98%
Vihtavuori N160
<<locked>>
81%
50212
79%
**71
100%
Vihtavuori N165
<<locked>>
81%
35940
56%
**82
95%
[Vihtavuori N170]*
<<locked>>
92%
44106
69%
**62
90%
Vihtavuori N550
<<locked>>
81%
49545
78%
**64
100%
Vihtavuori N555
<<locked>>
81%
40161
63%
**26
100%
[Vihtavuori N560]*
<<locked>>
81%
39146
61%
**40
94%
[Vihtavuori N565]*
<<locked>>
81%
31995
50%
**43
90%
[Vihtavuori N568]*
<<locked>>
88%
35230
55%
**71
90%
[Vihtavuori N570]*
<<locked>>
94%
41394
65%
**51
90%
Winchester 6.5 StaBALL
<<locked>>
81%
49269
77%
**22
100%
Winchester 760
<<locked>>
81%
51503
81%
**36
100%
Winchester StaBALL HD
<<locked>>
81%
32024
50%
**77
100%
Winchester Supreme 780
<<locked>>
81%
38058
60%
**38
95%

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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