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Load data for 7 x 66 SE v. Hofe + .284 | 139gr | Hornady BTSP

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Recommended Powder(s):

7 x 66 SE v. Hofe + .284 | 139gr | Hornady BTSP

Load Specifications

Bullet:
.284 | 139gr | Hornady BTSP
Manufacturer SKU:
2825
Bullet Weight:
139gr | 9.0g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.130" | 28.7mm
Caliber:
7 x 66 SE v. Hofe
Case Length (l3):
2.598" | 66.0mm
Cartridge Length (C.O.L.):
3.257" | 82.7mm
Seated Depth:
0.471" | 12.0mm
Shank Seated Depth:
0.346" | 8.8mm
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_B2624_C1097

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 128 loads in caliber 7 x 66 SE v. Hofe with .284 | 139gr | Hornady BTSP bullet and 64 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".

    • A load must fulfill certain criteria to be listed in the default view below - see here.

    • Our load data might deviate from other sources - see the most common reasons here

    • All loads are based on the bullet and case dimensions shown under "Load Specifications" - see here what to do if you deviate.

    • You can set your specifications in the "Personalized Load Calculator".

    • Go to the bottom of the "My Account " page to set the measure system (imperial vs. metric) 

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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%
57014
89%
**50
99%
ADI AR 2213
<<locked>>
95%
57000
89%
**76
98%
ADI AR 2217
<<locked>>
97%
44527
70%
**23
95%
ADI AR 2225
<<locked>>
97%
39900
63%
**87
97%
Accurate 3100
<<locked>>
95%
56898
89%
**84
100%
Accurate 4350
<<locked>>
86%
56985
89%
**07
100%
Accurate MAGPRO
<<locked>>
95%
56753
89%
**89
97%
Alliant Reloder-16
<<locked>>
88%
57319
90%
**50
100%
Alliant Reloder-17
<<locked>>
83%
57363
90%
**50
100%
Alliant Reloder-19 👍
<<locked>>
92%
56942
89%
**46
99%
Alliant Reloder-22
<<locked>>
95%
57029
89%
**79
99%
Alliant Reloder-23
<<locked>>
96%
56913
89%
**36
100%
Alliant Reloder-25
<<locked>>
97%
50227
79%
**84
100%
Alliant Reloder-26
<<locked>>
92%
56985
89%
**22
100%
Hodgdon H1000
<<locked>>
97%
44527
70%
**23
95%
Hodgdon H4350
<<locked>>
90%
57348
90%
**94
100%
Hodgdon H4831
<<locked>>
97%
55912
88%
**04
97%
Hodgdon H4831 SC
<<locked>>
94%
57261
90%
**20
98%
Hodgdon Hybrid 100V
<<locked>>
89%
56811
89%
**68
100%
Hodgdon LVR
<<locked>>
85%
56985
89%
**17
100%
Hodgdon Retumbo
<<locked>>
97%
39900
63%
**87
97%
Hodgdon Superperformance
<<locked>>
85%
56927
89%
**56
100%
Hodgdon TrailBoss
<<locked>>
96%
35230
55%
**36
100%
IMR 4166 Enduron
<<locked>>
83%
57392
90%
**61
100%
IMR 4350
<<locked>>
88%
56637
89%
**77
100%
IMR 4451 Enduron
<<locked>>
84%
57232
90%
**74
100%
IMR 4831
<<locked>>
91%
56681
89%
**84
100%
IMR 4955 Enduron
<<locked>>
94%
56811
89%
**87
98%
IMR 7828 SSC
<<locked>>
94%
57116
90%
**92
98%
[IMR 8133 Enduron]*
<<locked>>
97%
35476
56%
**66
92%
Lovex S065
<<locked>>
86%
57232
90%
**68
100%
Lovex S070
<<locked>>
87%
57130
90%
**84
100%
Lovex S071
<<locked>>
97%
50792
80%
**82
100%
Norma 204
<<locked>>
87%
57058
89%
**17
99%
Norma 217
<<locked>>
97%
35882
56%
**05
95%
Norma MRP 👍
<<locked>>
93%
57276
90%
**12
100%
Norma URP
<<locked>>
87%
57435
90%
**20
100%
Ramshot Hunter
<<locked>>
88%
57072
89%
**33
100%
Ramshot Magnum
<<locked>>
95%
57276
90%
**59
100%
ReloadSwiss RS 14
<<locked>>
97%
36289
57%
**82
100%
ReloadSwiss RS 60
<<locked>>
84%
56971
89%
**73
100%
ReloadSwiss RS 62
<<locked>>
86%
57392
90%
**36
100%
ReloadSwiss RS 70
<<locked>>
87%
56782
89%
**76
100%
ReloadSwiss RS 76
<<locked>>
97%
49632
78%
**40
100%
[ReloadSwiss RS 80]*
<<locked>>
97%
44788
70%
**92
94%
Rottweil R 904
<<locked>>
91%
56753
89%
**91
98%
Rottweil R 905 👍
<<locked>>
92%
57421
90%
**50
99%
Rottweil R 907
<<locked>>
85%
57101
89%
**71
100%
SNPE Vectan Tubal 7000
<<locked>>
86%
56869
89%
**22
100%
Shooters World Long Rifle
<<locked>>
86%
57232
90%
**68
100%
Somchem S361
<<locked>>
90%
57174
90%
**58
98%
Somchem S365
<<locked>>
89%
57232
90%
**14
100%
Somchem S385 👍
<<locked>>
92%
57305
90%
**00
100%
Vihtavuori N135
<<locked>>
84%
57217
90%
**59
100%
Vihtavuori N150
<<locked>>
87%
56826
89%
**02
100%
Vihtavuori N160
<<locked>>
85%
57116
90%
**77
100%
Vihtavuori N165
<<locked>>
97%
56043
88%
**71
99%
Vihtavuori N550
<<locked>>
84%
57000
89%
**10
100%
Vihtavuori N555
<<locked>>
93%
57072
89%
**33
100%
Vihtavuori N560
<<locked>>
95%
57188
90%
**02
98%
Vihtavuori N565
<<locked>>
97%
52968
83%
**10
97%
[Vihtavuori N568]*
<<locked>>
97%
46325
73%
**12
94%
Winchester 6.5 StaBALL
<<locked>>
86%
57334
90%
**45
100%
Winchester StaBALL HD
<<locked>>
97%
55999
88%
**32
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
39842
62%
**99
95%
[ADI AR 2213]*
<<locked>>
81%
35418
55%
**07
91%
[ADI AR 2217]*
<<locked>>
88%
33765
53%
**54
90%
[ADI AR 2225]*
<<locked>>
86%
28456
45%
**26
90%
Accurate 3100
<<locked>>
81%
35621
56%
**61
97%
Accurate 4350
<<locked>>
81%
47790
75%
**46
100%
[Accurate MAGPRO]*
<<locked>>
84%
37724
59%
**89
90%
Alliant Reloder-16
<<locked>>
81%
45600
71%
**56
100%
Alliant Reloder-17
<<locked>>
81%
52982
83%
**87
100%
Alliant Reloder-19
<<locked>>
81%
39798
62%
**95
95%
[Alliant Reloder-22]*
<<locked>>
81%
35433
56%
**26
93%
Alliant Reloder-23
<<locked>>
81%
34084
53%
**97
99%
[Alliant Reloder-25]*
<<locked>>
81%
29805
47%
**92
94%
Alliant Reloder-26
<<locked>>
81%
37507
59%
**41
99%
[Hodgdon H1000]*
<<locked>>
88%
33765
53%
**54
90%
Hodgdon H4350
<<locked>>
81%
43526
68%
**31
97%
[Hodgdon H4831]*
<<locked>>
82%
34243
54%
**38
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
37130
58%
**10
91%
Hodgdon Hybrid 100V
<<locked>>
81%
42931
67%
**28
100%
Hodgdon LVR
<<locked>>
81%
50212
79%
**99
100%
[Hodgdon Retumbo]*
<<locked>>
86%
28456
45%
**26
90%
Hodgdon Superperformance
<<locked>>
81%
49327
77%
**18
99%
Hodgdon TrailBoss
<<locked>>
81%
28282
44%
**75
100%
IMR 4166 Enduron
<<locked>>
81%
53243
83%
**86
99%
IMR 4350
<<locked>>
81%
45818
72%
**84
98%
IMR 4451 Enduron
<<locked>>
81%
51880
81%
**86
99%
IMR 4831
<<locked>>
81%
41046
64%
**02
99%
[IMR 4955 Enduron]*
<<locked>>
81%
37608
59%
**94
92%
[IMR 7828 SSC]*
<<locked>>
81%
36216
57%
**53
92%
[IMR 8133 Enduron]*
<<locked>>
94%
32822
51%
**87
90%
Lovex S065
<<locked>>
81%
49371
77%
**30
100%
Lovex S070
<<locked>>
81%
47543
74%
**17
99%
[Lovex S071]*
<<locked>>
81%
30443
48%
**26
94%
Norma 204
<<locked>>
81%
45658
72%
**13
97%
[Norma 217]*
<<locked>>
90%
28732
45%
**82
90%
Norma MRP
<<locked>>
81%
37217
58%
**02
96%
Norma URP
<<locked>>
81%
46615
73%
**36
100%
Ramshot Hunter
<<locked>>
81%
45556
71%
**30
99%
[Ramshot Magnum]*
<<locked>>
81%
32837
51%
**48
93%
ReloadSwiss RS 14
<<locked>>
81%
28747
45%
**11
100%
ReloadSwiss RS 60
<<locked>>
81%
50966
80%
**74
100%
ReloadSwiss RS 62
<<locked>>
81%
47790
75%
**69
100%
ReloadSwiss RS 70
<<locked>>
81%
46006
72%
**86
100%
[ReloadSwiss RS 76]*
<<locked>>
82%
28703
45%
**69
90%
[ReloadSwiss RS 80]*
<<locked>>
91%
36172
57%
**89
90%
[Rottweil R 904]*
<<locked>>
81%
41104
64%
**89
94%
Rottweil R 905
<<locked>>
81%
39160
61%
**82
95%
Rottweil R 907
<<locked>>
81%
50459
79%
**49
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
48399
76%
**74
99%
Shooters World Long Rifle
<<locked>>
81%
49371
77%
**30
100%
[Somchem S361]*
<<locked>>
81%
42018
66%
**72
94%
Somchem S365
<<locked>>
81%
43772
69%
**84
100%
Somchem S385
<<locked>>
81%
39610
62%
**59
96%
Vihtavuori N135
<<locked>>
81%
52968
83%
**94
100%
Vihtavuori N150
<<locked>>
81%
46804
73%
**44
100%
Vihtavuori N160
<<locked>>
81%
50067
78%
**63
100%
[Vihtavuori N165]*
<<locked>>
81%
33243
52%
**02
93%
Vihtavuori N550
<<locked>>
81%
50937
80%
**09
100%
Vihtavuori N555
<<locked>>
81%
38261
60%
**76
99%
[Vihtavuori N560]*
<<locked>>
81%
35607
56%
**36
91%
[Vihtavuori N565]*
<<locked>>
84%
33794
53%
**71
90%
[Vihtavuori N568]*
<<locked>>
91%
37985
60%
**22
90%
Winchester 6.5 StaBALL
<<locked>>
81%
47398
74%
**81
100%
Winchester StaBALL HD
<<locked>>
81%
29689
47%
**94
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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