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Load data for 7 x 66 SE v. Hofe + .284 | 140gr | Nosler CT FailSafe

Recommended Powder(s):

7 x 66 SE v. Hofe + .284 | 140gr | Nosler CT FailSafe

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 140gr | Nosler CT FailSafe
Manufacturer SKU:
53150
Bullet Weight:
140gr | 9.1g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.130" | 28.7mm
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:
0.471" | 12.0mm
Shank Seated Depth:
0.471" | 12.0mm
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_B4053_C1097
Last updated:
2025-01-01

Load data for 116 loads in caliber 7 x 66 SE v. Hofe with .284 | 140gr | Nosler CT FailSafe bullet and 58 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>>
90%
56826
89%
**23
99%
ADI AR 2213
<<locked>>
94%
57305
90%
**69
98%
ADI AR 2217
<<locked>>
97%
46963
74%
**69
96%
ADI AR 2225
<<locked>>
97%
42090
66%
**20
98%
Accurate 3100
<<locked>>
93%
57290
90%
**64
100%
Accurate 4350
<<locked>>
85%
57058
89%
**91
100%
Accurate MAGPRO
<<locked>>
94%
56797
89%
**63
97%
Alliant Reloder-16
<<locked>>
87%
57377
90%
**33
100%
Alliant Reloder-19 👍
<<locked>>
91%
57334
90%
**27
99%
Alliant Reloder-22 👍
<<locked>>
93%
56942
89%
**63
99%
Alliant Reloder-23
<<locked>>
95%
56913
89%
**20
100%
Alliant Reloder-25 👍
<<locked>>
97%
52707
83%
**10
100%
Alliant Reloder-26
<<locked>>
91%
57072
89%
**96
100%
Hodgdon H1000
<<locked>>
97%
46963
74%
**69
96%
Hodgdon H4350
<<locked>>
88%
56927
89%
**68
100%
Hodgdon H4831
<<locked>>
96%
56913
89%
**00
98%
Hodgdon H4831 SC
<<locked>>
92%
56913
89%
**00
98%
Hodgdon Hybrid 100V
<<locked>>
88%
57174
90%
**45
100%
Hodgdon LVR
<<locked>>
84%
57319
90%
**91
100%
Hodgdon Retumbo
<<locked>>
97%
42090
66%
**20
98%
Hodgdon Superperformance
<<locked>>
84%
57348
90%
**50
100%
Hodgdon TrailBoss
<<locked>>
96%
35389
55%
**23
100%
IMR 4350
<<locked>>
87%
57072
89%
**64
100%
IMR 4831
<<locked>>
90%
57377
90%
**77
100%
IMR 4955 Enduron
<<locked>>
93%
57377
90%
**77
98%
IMR 7828 SSC
<<locked>>
92%
56666
89%
**66
98%
[IMR 8133 Enduron]*
<<locked>>
97%
38290
60%
**22
93%
Lovex S065
<<locked>>
84%
57029
89%
**41
100%
Lovex S070
<<locked>>
85%
57145
90%
**61
100%
Lovex S071
<<locked>>
97%
54070
85%
**15
100%
Norma 204
<<locked>>
86%
57406
90%
**10
99%
Norma 217
<<locked>>
97%
38638
61%
**58
96%
Norma MRP 👍
<<locked>>
92%
57188
90%
**92
100%
Norma URP
<<locked>>
86%
57188
90%
**97
100%
Ramshot Hunter
<<locked>>
86%
56840
89%
**10
100%
Ramshot Magnum
<<locked>>
94%
56666
89%
**36
100%
ReloadSwiss RS 14
<<locked>>
97%
36782
58%
**78
100%
ReloadSwiss RS 62
<<locked>>
85%
57058
89%
**04
100%
ReloadSwiss RS 70
<<locked>>
86%
57363
90%
**73
100%
ReloadSwiss RS 76
<<locked>>
97%
52011
81%
**63
100%
ReloadSwiss RS 80
<<locked>>
97%
47805
75%
**45
95%
Rottweil R 904
<<locked>>
90%
56884
89%
**77
98%
Rottweil R 905
<<locked>>
91%
56753
89%
**10
99%
Rottweil R 907
<<locked>>
84%
57290
90%
**54
100%
SNPE Vectan Tubal 7000
<<locked>>
85%
57014
89%
**95
100%
Shooters World Long Rifle
<<locked>>
84%
57029
89%
**41
100%
Somchem S361
<<locked>>
89%
56797
89%
**38
98%
Somchem S365
<<locked>>
87%
56753
89%
**87
100%
Somchem S385
<<locked>>
91%
57232
90%
**81
100%
Vihtavuori N150
<<locked>>
86%
56985
89%
**86
100%
Vihtavuori N160
<<locked>>
83%
56565
89%
**48
100%
Vihtavuori N165
<<locked>>
96%
57276
90%
**68
99%
Vihtavuori N555
<<locked>>
91%
57116
90%
**10
100%
Vihtavuori N560
<<locked>>
93%
57159
90%
**89
98%
Vihtavuori N565
<<locked>>
97%
55463
87%
**30
98%
Vihtavuori N568
<<locked>>
97%
48675
76%
**54
95%
Winchester 6.5 StaBALL
<<locked>>
85%
56869
89%
**22
100%
Winchester StaBALL HD
<<locked>>
96%
56956
89%
**25
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
41771
65%
**35
96%
[ADI AR 2213]*
<<locked>>
81%
37637
59%
**59
93%
[ADI AR 2217]*
<<locked>>
86%
33431
52%
**28
90%
[ADI AR 2225]*
<<locked>>
83%
28036
44%
**00
90%
Accurate 3100
<<locked>>
81%
38609
61%
**17
98%
Accurate 4350
<<locked>>
81%
50937
80%
**79
100%
[Accurate MAGPRO]*
<<locked>>
82%
37884
59%
**76
90%
Alliant Reloder-16
<<locked>>
81%
47921
75%
**82
100%
Alliant Reloder-19
<<locked>>
81%
42177
66%
**38
96%
Alliant Reloder-22
<<locked>>
81%
37898
59%
**72
95%
Alliant Reloder-23
<<locked>>
81%
36666
57%
**43
100%
Alliant Reloder-25
<<locked>>
81%
31952
50%
**35
96%
Alliant Reloder-26
<<locked>>
81%
40495
63%
**87
99%
[Hodgdon H1000]*
<<locked>>
86%
33431
52%
**28
90%
Hodgdon H4350
<<locked>>
81%
45803
72%
**61
98%
[Hodgdon H4831]*
<<locked>>
81%
35447
56%
**44
91%
[Hodgdon H4831 SC]*
<<locked>>
81%
39450
62%
**56
93%
Hodgdon Hybrid 100V
<<locked>>
81%
45484
71%
**61
100%
Hodgdon LVR
<<locked>>
81%
52591
82%
**22
100%
[Hodgdon Retumbo]*
<<locked>>
83%
28036
44%
**00
90%
Hodgdon Superperformance
<<locked>>
81%
51924
81%
**51
99%
Hodgdon TrailBoss
<<locked>>
81%
28471
45%
**65
100%
IMR 4350
<<locked>>
81%
47732
75%
**97
98%
IMR 4831
<<locked>>
81%
43613
68%
**31
100%
[IMR 4955 Enduron]*
<<locked>>
81%
39349
62%
**13
93%
[IMR 7828 SSC]*
<<locked>>
81%
38537
60%
**92
93%
[IMR 8133 Enduron]*
<<locked>>
91%
32561
51%
**57
90%
Lovex S065
<<locked>>
81%
51721
81%
**53
100%
Lovex S070
<<locked>>
81%
49893
78%
**43
99%
Lovex S071
<<locked>>
81%
33489
52%
**89
96%
Norma 204
<<locked>>
81%
48037
75%
**46
97%
[Norma 217]*
<<locked>>
87%
28674
45%
**52
90%
Norma MRP
<<locked>>
81%
39726
62%
**44
97%
Norma URP
<<locked>>
81%
49168
77%
**53
100%
Ramshot Hunter
<<locked>>
81%
47950
75%
**49
99%
[Ramshot Magnum]*
<<locked>>
81%
35172
55%
**90
94%
ReloadSwiss RS 14
<<locked>>
81%
29254
46%
**08
100%
ReloadSwiss RS 62
<<locked>>
81%
50183
79%
**92
100%
ReloadSwiss RS 70
<<locked>>
81%
48414
76%
**18
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
30385
48%
**18
92%
[ReloadSwiss RS 80]*
<<locked>>
89%
36230
57%
**69
90%
Rottweil R 904
<<locked>>
81%
43337
68%
**12
95%
Rottweil R 905
<<locked>>
81%
41278
65%
**12
96%
Rottweil R 907
<<locked>>
81%
52707
83%
**69
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
50647
79%
**90
99%
Shooters World Long Rifle
<<locked>>
81%
51721
81%
**53
100%
Somchem S361
<<locked>>
81%
44411
70%
**12
95%
Somchem S365
<<locked>>
81%
46108
72%
**17
100%
Somchem S385
<<locked>>
81%
42206
66%
**08
97%
Vihtavuori N150
<<locked>>
81%
49182
77%
**64
100%
Vihtavuori N160
<<locked>>
81%
52605
82%
**86
100%
[Vihtavuori N165]*
<<locked>>
81%
35505
56%
**41
94%
Vihtavuori N555
<<locked>>
81%
41147
64%
**18
100%
[Vihtavuori N560]*
<<locked>>
81%
38029
60%
**82
92%
[Vihtavuori N565]*
<<locked>>
81%
33257
52%
**44
90%
[Vihtavuori N568]*
<<locked>>
89%
37434
59%
**95
90%
Winchester 6.5 StaBALL
<<locked>>
81%
49588
78%
**00
100%
Winchester StaBALL HD
<<locked>>
81%
32750
51%
**62
100%

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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