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Load data for 7 x 66 SE v. Hofe + .284 | 145gr | Hasler Hunting

Recommended Powder(s): Alliant Reloder-26, Hodgdon H4350, Norma MRP, Somchem S385, Winchester StaBALL HD

7 x 66 SE v. Hofe + .284 | 145gr | Hasler Hunting

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 145gr | Hasler Hunting
Manufacturer SKU:
H7-145
Bullet Weight:
145gr | 9.4g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.342" | 34.1mm
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:
0.683" | 17.3mm
Shank Seated Depth:
0.481" | 12.2mm
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_B7066_C1097
Last updated:
2025-01-01
Recommended Twist Rate:
1:10 - 1:8

Load data for 144 loads in caliber 7 x 66 SE v. Hofe with .284 | 145gr | Hasler Hunting bullet and 72 powders such as Alliant Reloder-26, Hodgdon H4350, Norma MRP, Somchem S385, Winchester StaBALL HD. 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 2208
<<locked>>
83%
57087
89%
**95
100%
ADI AR 2209
<<locked>>
93%
56898
89%
**94
99%
ADI AR 2213
<<locked>>
96%
56710
89%
**20
98%
ADI AR 2217
<<locked>>
97%
41945
66%
**25
95%
ADI AR 2225
<<locked>>
97%
36811
58%
**56
96%
Accurate 2700
<<locked>>
84%
57116
90%
**69
100%
Accurate 3100
<<locked>>
97%
57145
90%
**35
100%
Accurate 4350
<<locked>>
88%
56768
89%
**48
100%
Accurate MAGPRO
<<locked>>
97%
56739
89%
**40
97%
Alliant Reloder-16
<<locked>>
89%
57029
89%
**00
100%
Alliant Reloder-17
<<locked>>
84%
56652
89%
**91
100%
Alliant Reloder-19
<<locked>>
94%
57232
90%
**91
99%
Alliant Reloder-22
<<locked>>
97%
57159
90%
**33
99%
Alliant Reloder-23
<<locked>>
97%
54433
85%
**48
100%
Alliant Reloder-25
<<locked>>
97%
46963
74%
**72
100%
Alliant Reloder-26 👍
<<locked>>
94%
56956
89%
**66
100%
Hodgdon H1000
<<locked>>
97%
41945
66%
**25
95%
Hodgdon H414
<<locked>>
84%
56797
89%
**74
100%
Hodgdon H4350 👍
<<locked>>
91%
57377
90%
**41
100%
Hodgdon H4831
<<locked>>
97%
53214
83%
**02
97%
Hodgdon H4831 SC
<<locked>>
95%
57145
90%
**64
98%
Hodgdon Hybrid 100V
<<locked>>
91%
56898
89%
**12
100%
Hodgdon LVR
<<locked>>
86%
56782
89%
**58
100%
Hodgdon Retumbo
<<locked>>
97%
36811
58%
**56
96%
Hodgdon Superperformance
<<locked>>
87%
57087
89%
**04
100%
Hodgdon VARGET
<<locked>>
83%
56637
89%
**92
100%
Hodgdon TrailBoss
<<locked>>
96%
35012
55%
**80
100%
IMR 4064
<<locked>>
84%
57348
90%
**89
100%
IMR 4166 Enduron
<<locked>>
84%
56913
89%
**92
100%
IMR 4350
<<locked>>
89%
57087
89%
**28
100%
IMR 4451 Enduron
<<locked>>
86%
57203
90%
**15
100%
IMR 4831
<<locked>>
93%
56681
89%
**28
100%
IMR 4955 Enduron
<<locked>>
96%
57232
90%
**35
98%
IMR 7828 SSC
<<locked>>
96%
57217
90%
**50
99%
Lovex S065
<<locked>>
87%
56710
89%
**02
100%
Lovex S070
<<locked>>
88%
56811
89%
**25
100%
Lovex S071
<<locked>>
97%
47340
74%
**77
99%
Norma 204
<<locked>>
89%
57246
90%
**74
99%
[Norma 217]*
<<locked>>
97%
32401
51%
**64
93%
Norma MRP 👍
<<locked>>
95%
56942
89%
**50
100%
Norma URP
<<locked>>
89%
57072
89%
**61
100%
Ramshot Hunter
<<locked>>
89%
57246
90%
**74
100%
Ramshot Magnum
<<locked>>
97%
56304
88%
**00
100%
ReloadSwiss RS 14
<<locked>>
96%
35694
56%
**23
100%
ReloadSwiss RS 60
<<locked>>
86%
57217
90%
**20
100%
ReloadSwiss RS 62
<<locked>>
88%
57305
90%
**74
100%
ReloadSwiss RS 70
<<locked>>
89%
57392
90%
**36
100%
ReloadSwiss RS 76
<<locked>>
97%
46108
72%
**22
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
40770
64%
**71
93%
Rottweil R 903
<<locked>>
84%
56724
89%
**99
100%
Rottweil R 904
<<locked>>
93%
57014
89%
**45
98%
Rottweil R 905
<<locked>>
94%
56681
89%
**77
99%
Rottweil R 907
<<locked>>
86%
56768
89%
**09
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
56840
89%
**67
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
57261
90%
**72
100%
Shooters World Long Rifle
<<locked>>
87%
56710
89%
**02
100%
Somchem S355
<<locked>>
84%
56826
89%
**92
100%
Somchem S361
<<locked>>
92%
57130
90%
**12
98%
Somchem S365
<<locked>>
91%
57290
90%
**61
100%
Somchem S385 👍
<<locked>>
94%
57305
90%
**48
100%
Vihtavuori N135
<<locked>>
85%
57363
90%
**07
100%
Vihtavuori N150
<<locked>>
89%
56666
89%
**49
100%
Vihtavuori N160
<<locked>>
86%
56768
89%
**22
100%
Vihtavuori N165
<<locked>>
97%
53330
84%
**72
99%
Vihtavuori N550
<<locked>>
86%
57029
89%
**54
100%
Vihtavuori N555
<<locked>>
95%
57072
89%
**81
100%
Vihtavuori N560
<<locked>>
96%
57014
89%
**56
98%
Vihtavuori N565
<<locked>>
97%
48820
76%
**82
97%
[Vihtavuori N568]*
<<locked>>
97%
42598
67%
**94
93%
Winchester 6.5 StaBALL
<<locked>>
88%
57276
90%
**89
100%
Winchester 760
<<locked>>
84%
56797
89%
**74
100%
Winchester StaBALL HD 👍
<<locked>>
97%
51590
81%
**23
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
53374
84%
**46
100%
[ADI AR 2209]*
<<locked>>
81%
37130
58%
**97
94%
[ADI AR 2213]*
<<locked>>
81%
33504
53%
**12
90%
[ADI AR 2217]*
<<locked>>
90%
33286
52%
**98
90%
[ADI AR 2225]*
<<locked>>
89%
27920
44%
**87
90%
Accurate 2700
<<locked>>
81%
51430
81%
**81
99%
Accurate 3100
<<locked>>
81%
32242
51%
**46
96%
Accurate 4350
<<locked>>
81%
44309
69%
**38
100%
[Accurate MAGPRO]*
<<locked>>
85%
37014
58%
**30
90%
Alliant Reloder-16
<<locked>>
81%
42859
67%
**48
100%
Alliant Reloder-17
<<locked>>
81%
49806
78%
**82
100%
[Alliant Reloder-19]*
<<locked>>
81%
37231
58%
**97
94%
[Alliant Reloder-22]*
<<locked>>
81%
32721
51%
**12
92%
Alliant Reloder-23
<<locked>>
81%
31299
49%
**85
99%
[Alliant Reloder-25]*
<<locked>>
81%
27079
42%
**61
93%
Alliant Reloder-26
<<locked>>
81%
34011
53%
**07
98%
[Hodgdon H1000]*
<<locked>>
90%
33286
52%
**98
90%
Hodgdon H414
<<locked>>
81%
50908
80%
**79
99%
Hodgdon H4350
<<locked>>
81%
41060
64%
**26
97%
[Hodgdon H4831]*
<<locked>>
84%
34214
54%
**92
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
34679
54%
**08
91%
Hodgdon Hybrid 100V
<<locked>>
81%
40350
63%
**30
100%
Hodgdon LVR
<<locked>>
81%
47355
74%
**97
100%
[Hodgdon Retumbo]*
<<locked>>
89%
27920
44%
**87
90%
Hodgdon Superperformance
<<locked>>
81%
46209
72%
**20
98%
Hodgdon VARGET
<<locked>>
81%
53011
83%
**33
100%
Hodgdon TrailBoss
<<locked>>
81%
27760
44%
**16
100%
IMR 4064
<<locked>>
81%
52069
82%
**13
100%
IMR 4166 Enduron
<<locked>>
81%
51140
80%
**90
99%
IMR 4350
<<locked>>
81%
43105
68%
**72
98%
IMR 4451 Enduron
<<locked>>
81%
49443
77%
**90
99%
IMR 4831
<<locked>>
81%
38218
60%
**90
99%
[IMR 4955 Enduron]*
<<locked>>
81%
35143
55%
**89
91%
[IMR 7828 SSC]*
<<locked>>
81%
33533
53%
**28
90%
Lovex S065
<<locked>>
81%
46427
73%
**22
99%
Lovex S070
<<locked>>
81%
44556
70%
**05
98%
[Lovex S071]*
<<locked>>
81%
27267
43%
**98
93%
Norma 204
<<locked>>
81%
43265
68%
**18
96%
[Norma 217]*
<<locked>>
93%
28355
44%
**36
90%
Norma MRP
<<locked>>
81%
34142
53%
**84
95%
Norma URP
<<locked>>
81%
43801
69%
**28
100%
Ramshot Hunter
<<locked>>
81%
42931
67%
**18
99%
[Ramshot Magnum]*
<<locked>>
81%
29921
47%
**20
91%
ReloadSwiss RS 14
<<locked>>
81%
28384
44%
**62
100%
ReloadSwiss RS 60
<<locked>>
81%
48066
75%
**72
100%
ReloadSwiss RS 62
<<locked>>
81%
44512
70%
**64
100%
ReloadSwiss RS 70
<<locked>>
81%
43134
68%
**77
99%
[ReloadSwiss RS 76]*
<<locked>>
84%
28340
44%
**23
90%
[ReloadSwiss RS 80]*
<<locked>>
93%
35737
56%
**40
90%
Rottweil R 903
<<locked>>
81%
51474
81%
**13
100%
[Rottweil R 904]*
<<locked>>
81%
38638
61%
**80
94%
[Rottweil R 905]*
<<locked>>
81%
36289
57%
**71
94%
Rottweil R 907
<<locked>>
81%
47587
75%
**54
98%
SNPE Vectan Tubal 5000
<<locked>>
81%
52388
82%
**05
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
45440
71%
**72
99%
Shooters World Long Rifle
<<locked>>
81%
46427
73%
**22
99%
Somchem S355
<<locked>>
81%
51634
81%
**13
100%
[Somchem S361]*
<<locked>>
81%
39334
62%
**74
93%
Somchem S365
<<locked>>
81%
40321
63%
**76
100%
Somchem S385
<<locked>>
81%
36709
58%
**51
95%
Vihtavuori N135
<<locked>>
81%
49951
78%
**05
100%
Vihtavuori N150
<<locked>>
81%
44164
69%
**46
100%
Vihtavuori N160
<<locked>>
81%
47427
74%
**67
100%
[Vihtavuori N165]*
<<locked>>
81%
30589
48%
**84
92%
Vihtavuori N550
<<locked>>
81%
47747
75%
**07
100%
Vihtavuori N555
<<locked>>
81%
35041
55%
**57
99%
[Vihtavuori N560]*
<<locked>>
82%
33765
53%
**44
90%
[Vihtavuori N565]*
<<locked>>
86%
33011
52%
**12
90%
[Vihtavuori N568]*
<<locked>>
93%
36927
58%
**56
90%
Winchester 6.5 StaBALL
<<locked>>
81%
44759
70%
**89
100%
Winchester 760
<<locked>>
81%
50908
80%
**79
99%
Winchester StaBALL HD
<<locked>>
81%
26643
42%
**62
98%

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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