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

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Alliant Reloder-26, Norma MRP, Rottweil R 905

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

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 139gr | Hornady SP
Manufacturer SKU:
2820
Bullet Weight:
139gr | 9.0g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.157" | 29.4mm
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:
0.498" | 12.6mm
Shank Seated Depth:
0.498" | 12.6mm
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_B2628_C1097
Last updated:
2025-01-01

Load data for 126 loads in caliber 7 x 66 SE v. Hofe with .284 | 139gr | Hornady SP bullet and 63 powders such as ADI AR 2209, Alliant Reloder-19, Alliant Reloder-26, Norma MRP, Rottweil R 905. 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%
57290
90%
**50
99%
ADI AR 2213
<<locked>>
95%
56811
89%
**76
98%
ADI AR 2217
<<locked>>
97%
44266
69%
**20
95%
ADI AR 2225
<<locked>>
97%
39334
62%
**71
97%
Accurate 3100
<<locked>>
95%
57421
90%
**87
100%
Accurate 4350
<<locked>>
86%
56492
89%
**97
100%
Accurate MAGPRO
<<locked>>
95%
57159
90%
**82
97%
Alliant Reloder-16
<<locked>>
88%
56797
89%
**53
100%
Alliant Reloder-17
<<locked>>
83%
57145
90%
**50
100%
Alliant Reloder-19 👍
<<locked>>
92%
56855
89%
**30
99%
Alliant Reloder-22
<<locked>>
95%
56811
89%
**79
99%
Alliant Reloder-23
<<locked>>
96%
56811
89%
**27
100%
Alliant Reloder-25
<<locked>>
97%
49690
78%
**84
100%
Alliant Reloder-26 👍
<<locked>>
92%
57043
89%
**22
100%
Hodgdon H1000
<<locked>>
97%
44266
69%
**20
95%
Hodgdon H4350
<<locked>>
90%
57072
89%
**87
100%
Hodgdon H4831
<<locked>>
97%
55709
87%
**91
97%
Hodgdon H4831 SC
<<locked>>
94%
57203
90%
**20
98%
Hodgdon Hybrid 100V
<<locked>>
90%
57246
90%
**64
100%
Hodgdon LVR
<<locked>>
85%
57392
90%
**10
100%
Hodgdon Retumbo
<<locked>>
97%
39334
62%
**71
97%
Hodgdon Superperformance
<<locked>>
85%
57232
90%
**56
100%
Hodgdon TrailBoss
<<locked>>
96%
35288
55%
**32
100%
IMR 4166 Enduron
<<locked>>
83%
57145
90%
**51
100%
IMR 4350
<<locked>>
88%
56840
89%
**74
100%
IMR 4451 Enduron
<<locked>>
84%
57043
89%
**68
100%
IMR 4831
<<locked>>
92%
57130
90%
**94
100%
IMR 4955 Enduron
<<locked>>
95%
56956
89%
**84
98%
IMR 7828 SSC
<<locked>>
94%
56927
89%
**89
98%
Lovex S065
<<locked>>
86%
56913
89%
**61
100%
Lovex S070
<<locked>>
87%
56971
89%
**81
100%
Lovex S071
<<locked>>
97%
50415
79%
**79
100%
Norma 204
<<locked>>
87%
56811
89%
**14
99%
Norma 217
<<locked>>
97%
35433
56%
**82
95%
Norma MRP 👍
<<locked>>
93%
57305
90%
**09
100%
Norma URP
<<locked>>
87%
57217
90%
**17
100%
Ramshot Hunter
<<locked>>
88%
56956
89%
**30
100%
Ramshot Magnum
<<locked>>
95%
56608
89%
**43
100%
ReloadSwiss RS 14
<<locked>>
97%
36289
57%
**82
100%
ReloadSwiss RS 60
<<locked>>
84%
57392
90%
**69
100%
ReloadSwiss RS 62
<<locked>>
87%
57348
90%
**33
100%
ReloadSwiss RS 70
<<locked>>
87%
57043
89%
**79
100%
ReloadSwiss RS 76
<<locked>>
97%
48863
77%
**23
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
44396
70%
**95
94%
Rottweil R 904
<<locked>>
91%
57232
90%
**00
98%
Rottweil R 905 👍
<<locked>>
92%
56782
89%
**30
99%
Rottweil R 907
<<locked>>
85%
56913
89%
**64
99%
SNPE Vectan Tubal 7000
<<locked>>
86%
57377
90%
**22
100%
Shooters World Long Rifle
<<locked>>
86%
56913
89%
**61
100%
Somchem S361
<<locked>>
91%
57377
90%
**58
98%
Somchem S365
<<locked>>
89%
57435
90%
**14
100%
Somchem S385
<<locked>>
92%
57246
90%
**00
100%
Vihtavuori N135
<<locked>>
84%
56884
89%
**53
100%
Vihtavuori N150
<<locked>>
88%
57217
90%
**12
100%
Vihtavuori N160
<<locked>>
85%
56666
89%
**71
100%
Vihtavuori N165
<<locked>>
97%
55883
88%
**71
99%
Vihtavuori N550
<<locked>>
85%
57188
90%
**10
100%
Vihtavuori N555
<<locked>>
93%
57043
89%
**30
100%
Vihtavuori N560
<<locked>>
95%
57217
90%
**99
98%
Vihtavuori N565
<<locked>>
97%
52214
82%
**84
97%
[Vihtavuori N568]*
<<locked>>
97%
45687
72%
**99
94%
Winchester 6.5 StaBALL
<<locked>>
87%
56985
89%
**38
100%
Winchester StaBALL HD
<<locked>>
97%
54737
86%
**15
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
39436
62%
**92
95%
[ADI AR 2213]*
<<locked>>
81%
35244
55%
**00
91%
[ADI AR 2217]*
<<locked>>
89%
33997
53%
**57
90%
[ADI AR 2225]*
<<locked>>
87%
28572
45%
**39
90%
Accurate 3100
<<locked>>
81%
35418
55%
**54
96%
Accurate 4350
<<locked>>
81%
47529
74%
**40
100%
[Accurate MAGPRO]*
<<locked>>
84%
37898
59%
**92
90%
Alliant Reloder-16
<<locked>>
81%
45295
71%
**46
100%
Alliant Reloder-17
<<locked>>
81%
52591
82%
**81
100%
Alliant Reloder-19
<<locked>>
81%
39581
62%
**89
95%
[Alliant Reloder-22]*
<<locked>>
81%
35230
55%
**20
93%
Alliant Reloder-23
<<locked>>
81%
33837
53%
**87
99%
[Alliant Reloder-25]*
<<locked>>
81%
29399
46%
**75
94%
Alliant Reloder-26
<<locked>>
81%
37014
58%
**22
98%
[Hodgdon H1000]*
<<locked>>
89%
33997
53%
**57
90%
Hodgdon H4350
<<locked>>
81%
43294
68%
**22
97%
[Hodgdon H4831]*
<<locked>>
83%
34925
55%
**57
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
36941
58%
**03
91%
Hodgdon Hybrid 100V
<<locked>>
81%
42656
67%
**22
100%
Hodgdon LVR
<<locked>>
81%
49719
78%
**89
100%
[Hodgdon Retumbo]*
<<locked>>
87%
28572
45%
**39
90%
Hodgdon Superperformance
<<locked>>
81%
48704
76%
**12
99%
Hodgdon TrailBoss
<<locked>>
81%
28297
44%
**72
100%
IMR 4166 Enduron
<<locked>>
81%
52982
83%
**76
99%
IMR 4350
<<locked>>
81%
45179
71%
**61
98%
IMR 4451 Enduron
<<locked>>
81%
51532
81%
**76
99%
IMR 4831
<<locked>>
81%
40770
64%
**92
99%
[IMR 4955 Enduron]*
<<locked>>
81%
37043
58%
**77
92%
[IMR 7828 SSC]*
<<locked>>
81%
36056
56%
**46
92%
Lovex S065
<<locked>>
81%
49008
77%
**20
100%
Lovex S070
<<locked>>
81%
47065
74%
**04
99%
[Lovex S071]*
<<locked>>
81%
30197
47%
**16
94%
Norma 204
<<locked>>
81%
45455
71%
**07
97%
[Norma 217]*
<<locked>>
91%
28703
45%
**79
90%
Norma MRP
<<locked>>
81%
36622
57%
**85
96%
Norma URP
<<locked>>
81%
46369
73%
**27
100%
Ramshot Hunter
<<locked>>
81%
45353
71%
**13
99%
[Ramshot Magnum]*
<<locked>>
81%
32460
51%
**38
93%
ReloadSwiss RS 14
<<locked>>
81%
28761
45%
**08
100%
ReloadSwiss RS 60
<<locked>>
81%
50705
79%
**68
100%
ReloadSwiss RS 62
<<locked>>
81%
47239
74%
**63
100%
ReloadSwiss RS 70
<<locked>>
81%
45368
71%
**76
100%
[ReloadSwiss RS 76]*
<<locked>>
82%
28921
45%
**75
90%
[ReloadSwiss RS 80]*
<<locked>>
92%
36709
58%
**02
90%
[Rottweil R 904]*
<<locked>>
81%
40886
64%
**79
94%
Rottweil R 905
<<locked>>
81%
38624
61%
**69
95%
Rottweil R 907
<<locked>>
81%
49980
78%
**49
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
47805
75%
**64
99%
Shooters World Long Rifle
<<locked>>
81%
49008
77%
**20
100%
[Somchem S361]*
<<locked>>
81%
41495
65%
**62
93%
Somchem S365
<<locked>>
81%
43134
68%
**74
100%
Somchem S385
<<locked>>
81%
39407
62%
**53
96%
Vihtavuori N135
<<locked>>
81%
52591
82%
**97
100%
Vihtavuori N150
<<locked>>
81%
46514
73%
**35
100%
Vihtavuori N160
<<locked>>
81%
49850
78%
**56
100%
[Vihtavuori N165]*
<<locked>>
81%
33040
52%
**92
93%
Vihtavuori N550
<<locked>>
81%
50241
79%
**99
100%
Vihtavuori N555
<<locked>>
81%
37782
59%
**62
99%
[Vihtavuori N560]*
<<locked>>
81%
35143
55%
**26
90%
[Vihtavuori N565]*
<<locked>>
84%
33649
53%
**67
90%
[Vihtavuori N568]*
<<locked>>
92%
37956
59%
**12
90%
Winchester 6.5 StaBALL
<<locked>>
81%
47137
74%
**77
100%
Winchester StaBALL HD
<<locked>>
81%
29399
46%
**87
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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