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Load data for 7 x 66 SE v. Hofe + .284 | 140gr | Speer TBBC

Recommended Powder(s):

7 x 66 SE v. Hofe + .284 | 140gr | Speer TBBC

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 140gr | Speer TBBC
Manufacturer SKU:
1745
Bullet Weight:
140gr | 9.1g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.150" | 29.2mm
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:
0.491" | 12.5mm
Shank Seated Depth:
0.491" | 12.5mm
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_B6122_C1097
Last updated:
2025-01-01

Load data for 126 loads in caliber 7 x 66 SE v. Hofe with .284 | 140gr | Speer TBBC bullet and 63 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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    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>>
92%
57421
90%
**43
99%
ADI AR 2213
<<locked>>
95%
56956
89%
**69
98%
ADI AR 2217
<<locked>>
97%
45150
71%
**36
96%
ADI AR 2225
<<locked>>
97%
40567
64%
**84
98%
Accurate 3100
<<locked>>
95%
57435
90%
**81
100%
Accurate 4350
<<locked>>
86%
57334
90%
**97
100%
Accurate MAGPRO
<<locked>>
95%
57363
90%
**76
97%
Alliant Reloder-16
<<locked>>
87%
56710
89%
**33
100%
Alliant Reloder-19 👍
<<locked>>
92%
57363
90%
**40
99%
Alliant Reloder-22
<<locked>>
95%
56985
89%
**59
99%
Alliant Reloder-23
<<locked>>
96%
57392
90%
**30
100%
Alliant Reloder-25
<<locked>>
97%
50705
79%
**84
100%
Alliant Reloder-26
<<locked>>
92%
56753
89%
**05
100%
Hodgdon H1000
<<locked>>
97%
45150
71%
**36
96%
Hodgdon H4350
<<locked>>
89%
56971
89%
**71
100%
Hodgdon H4831
<<locked>>
97%
56362
88%
**00
98%
Hodgdon H4831 SC
<<locked>>
93%
56579
89%
**00
98%
Hodgdon Hybrid 100V
<<locked>>
89%
56884
89%
**48
100%
Hodgdon LVR
<<locked>>
85%
57276
90%
**04
100%
Hodgdon Retumbo
<<locked>>
97%
40567
64%
**84
98%
Hodgdon Superperformance
<<locked>>
85%
57377
90%
**50
100%
Hodgdon TrailBoss
<<locked>>
96%
35302
55%
**23
100%
IMR 4166 Enduron
<<locked>>
83%
57203
90%
**45
100%
IMR 4350
<<locked>>
88%
56956
89%
**68
100%
IMR 4451 Enduron
<<locked>>
84%
56652
89%
**58
100%
IMR 4831
<<locked>>
91%
56782
89%
**74
100%
IMR 4955 Enduron
<<locked>>
94%
57217
90%
**81
98%
IMR 7828 SSC
<<locked>>
94%
56695
89%
**82
98%
[IMR 8133 Enduron]*
<<locked>>
97%
35955
56%
**62
92%
Lovex S065
<<locked>>
85%
56739
89%
**41
100%
Lovex S070
<<locked>>
87%
57203
90%
**74
100%
Lovex S071
<<locked>>
97%
51793
81%
**89
100%
Norma 204
<<locked>>
87%
56710
89%
**07
99%
Norma 217
<<locked>>
97%
36042
56%
**95
95%
Norma MRP 👍
<<locked>>
93%
56840
89%
**89
100%
Norma URP
<<locked>>
87%
57348
90%
**10
100%
Ramshot Hunter
<<locked>>
87%
56884
89%
**14
100%
Ramshot Magnum
<<locked>>
95%
57159
90%
**43
100%
ReloadSwiss RS 14
<<locked>>
96%
36100
57%
**65
100%
ReloadSwiss RS 60
<<locked>>
84%
57319
90%
**63
100%
ReloadSwiss RS 62
<<locked>>
86%
57014
89%
**14
100%
ReloadSwiss RS 70
<<locked>>
87%
57217
90%
**73
100%
ReloadSwiss RS 76
<<locked>>
97%
49559
78%
**27
100%
[ReloadSwiss RS 80]*
<<locked>>
97%
45411
71%
**02
94%
Rottweil R 904
<<locked>>
91%
57130
90%
**81
98%
Rottweil R 905 👍
<<locked>>
92%
57217
90%
**30
99%
Rottweil R 907
<<locked>>
85%
57363
90%
**58
100%
SNPE Vectan Tubal 7000
<<locked>>
86%
56579
89%
**99
100%
Shooters World Long Rifle
<<locked>>
85%
56739
89%
**41
100%
Somchem S361
<<locked>>
90%
56811
89%
**38
98%
Somchem S365
<<locked>>
89%
56927
89%
**91
100%
Somchem S385
<<locked>>
92%
56913
89%
**84
100%
Vihtavuori N135
<<locked>>
83%
57087
89%
**43
100%
Vihtavuori N150
<<locked>>
87%
56811
89%
**89
100%
Vihtavuori N160
<<locked>>
85%
57043
89%
**54
100%
Vihtavuori N165
<<locked>>
97%
56913
89%
**71
99%
Vihtavuori N550
<<locked>>
84%
57290
90%
**00
100%
Vihtavuori N555
<<locked>>
93%
56869
89%
**14
100%
Vihtavuori N560
<<locked>>
94%
56956
89%
**86
98%
Vihtavuori N565
<<locked>>
97%
52939
83%
**97
97%
[Vihtavuori N568]*
<<locked>>
97%
46354
73%
**02
94%
Winchester 6.5 StaBALL
<<locked>>
86%
56898
89%
**22
100%
Winchester StaBALL HD 👍
<<locked>>
97%
56391
88%
**32
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
40219
63%
**05
95%
[ADI AR 2213]*
<<locked>>
81%
35955
56%
**20
92%
[ADI AR 2217]*
<<locked>>
88%
33533
53%
**31
90%
[ADI AR 2225]*
<<locked>>
86%
28195
44%
**13
90%
Accurate 3100
<<locked>>
81%
36129
57%
**64
97%
Accurate 4350
<<locked>>
81%
48138
75%
**40
100%
[Accurate MAGPRO]*
<<locked>>
83%
37782
59%
**72
90%
Alliant Reloder-16
<<locked>>
81%
45861
72%
**46
100%
Alliant Reloder-19
<<locked>>
81%
40074
63%
**89
95%
[Alliant Reloder-22]*
<<locked>>
81%
36013
56%
**26
94%
Alliant Reloder-23
<<locked>>
81%
34519
54%
**94
99%
Alliant Reloder-25
<<locked>>
81%
30139
47%
**89
95%
Alliant Reloder-26
<<locked>>
81%
38014
60%
**44
99%
[Hodgdon H1000]*
<<locked>>
88%
33533
53%
**31
90%
Hodgdon H4350
<<locked>>
81%
43903
69%
**25
97%
[Hodgdon H4831]*
<<locked>>
81%
34127
53%
**25
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
37695
59%
**20
92%
Hodgdon Hybrid 100V
<<locked>>
81%
43526
68%
**31
100%
Hodgdon LVR
<<locked>>
81%
50415
79%
**89
100%
[Hodgdon Retumbo]*
<<locked>>
86%
28195
44%
**13
90%
Hodgdon Superperformance
<<locked>>
81%
49632
78%
**25
99%
Hodgdon TrailBoss
<<locked>>
81%
28340
44%
**65
100%
IMR 4166 Enduron
<<locked>>
81%
53838
84%
**86
100%
IMR 4350
<<locked>>
81%
45977
72%
**71
98%
IMR 4451 Enduron
<<locked>>
81%
52040
82%
**72
99%
IMR 4831
<<locked>>
81%
41713
65%
**99
99%
[IMR 4955 Enduron]*
<<locked>>
81%
37840
59%
**84
92%
[IMR 7828 SSC]*
<<locked>>
81%
36622
57%
**49
92%
[IMR 8133 Enduron]*
<<locked>>
94%
32793
51%
**71
90%
Lovex S065
<<locked>>
81%
49530
78%
**17
100%
Lovex S070
<<locked>>
81%
48182
76%
**10
99%
Lovex S071
<<locked>>
81%
31140
49%
**33
95%
Norma 204
<<locked>>
81%
46122
72%
**10
97%
[Norma 217]*
<<locked>>
90%
28747
45%
**66
90%
Norma MRP
<<locked>>
81%
37666
59%
**02
96%
Norma URP
<<locked>>
81%
47268
74%
**30
100%
Ramshot Hunter
<<locked>>
81%
45905
72%
**23
99%
[Ramshot Magnum]*
<<locked>>
81%
33199
52%
**48
93%
ReloadSwiss RS 14
<<locked>>
81%
29066
46%
**11
100%
ReloadSwiss RS 60
<<locked>>
81%
51503
81%
**68
100%
ReloadSwiss RS 62
<<locked>>
81%
48327
76%
**66
100%
ReloadSwiss RS 70
<<locked>>
81%
46282
73%
**79
100%
[ReloadSwiss RS 76]*
<<locked>>
82%
29109
46%
**75
91%
[ReloadSwiss RS 80]*
<<locked>>
91%
36143
57%
**72
90%
[Rottweil R 904]*
<<locked>>
81%
41481
65%
**82
94%
Rottweil R 905
<<locked>>
81%
39436
62%
**76
95%
Rottweil R 907
<<locked>>
81%
50618
79%
**46
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
48646
76%
**64
99%
Shooters World Long Rifle
<<locked>>
81%
49530
78%
**17
100%
[Somchem S361]*
<<locked>>
81%
42279
66%
**66
94%
Somchem S365
<<locked>>
81%
44063
69%
**87
100%
Somchem S385
<<locked>>
81%
40219
63%
**69
97%
Vihtavuori N135
<<locked>>
81%
53534
84%
**94
100%
Vihtavuori N150
<<locked>>
81%
47369
74%
**44
100%
Vihtavuori N160
<<locked>>
81%
50778
80%
**56
100%
[Vihtavuori N165]*
<<locked>>
81%
33852
53%
**02
94%
Vihtavuori N550
<<locked>>
81%
51169
80%
**99
100%
Vihtavuori N555
<<locked>>
81%
38754
61%
**72
99%
[Vihtavuori N560]*
<<locked>>
81%
35882
56%
**33
91%
[Vihtavuori N565]*
<<locked>>
83%
33417
52%
**57
90%
[Vihtavuori N568]*
<<locked>>
91%
37565
59%
**02
90%
Winchester 6.5 StaBALL
<<locked>>
81%
47688
75%
**84
100%
Winchester StaBALL HD
<<locked>>
81%
30052
47%
**97
99%

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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