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Load data for 7 x 66 SE v. Hofe + .284 | 154gr | Hornady SST InterLock

Recommended Powder(s): ADI AR 2209, Alliant Reloder-22, Norma MRP, Ramshot Magnum, Rottweil R 905

7 x 66 SE v. Hofe + .284 | 154gr | Hornady SST InterLock

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 154gr | Hornady SST InterLock
Manufacturer SKU:
28302
Bullet Weight:
154gr | 10.0g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.340" | 34.0mm
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:
0.681" | 17.3mm
Shank Seated Depth:
0.560" | 14.2mm
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_B2634_C1097
Last updated:
2025-01-01
Recommended Twist Rate:
1:10 - 1:9

Load data for 124 loads in caliber 7 x 66 SE v. Hofe with .284 | 154gr | Hornady SST InterLock bullet and 62 powders such as ADI AR 2209, Alliant Reloder-22, Norma MRP, Ramshot Magnum, 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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  • We recommend you limit powder range to relevant brands to speed up re-calculation of results

    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.

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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>>
91%
57232
90%
**05
99%
ADI AR 2213
<<locked>>
94%
57217
90%
**51
99%
ADI AR 2217
<<locked>>
97%
46557
73%
**51
97%
ADI AR 2225
<<locked>>
97%
41568
65%
**02
99%
Accurate 3100
<<locked>>
94%
56956
89%
**40
100%
Accurate 4350
<<locked>>
85%
57159
90%
**59
100%
Accurate MAGPRO
<<locked>>
94%
57276
90%
**58
98%
Alliant Reloder-16
<<locked>>
87%
57392
90%
**05
100%
Alliant Reloder-19
<<locked>>
91%
56869
89%
**02
100%
Alliant Reloder-22 👍
<<locked>>
94%
57319
90%
**38
100%
Alliant Reloder-23
<<locked>>
95%
57203
90%
**95
100%
Alliant Reloder-25
<<locked>>
97%
52504
82%
**86
100%
Alliant Reloder-26
<<locked>>
91%
57116
90%
**71
100%
Hodgdon H1000
<<locked>>
97%
46557
73%
**51
97%
Hodgdon H4350
<<locked>>
89%
56869
89%
**36
100%
Hodgdon H4831
<<locked>>
96%
57421
90%
**92
98%
Hodgdon H4831 SC
<<locked>>
93%
57421
90%
**92
98%
Hodgdon Hybrid 100V
<<locked>>
89%
57421
90%
**27
100%
Hodgdon LVR
<<locked>>
84%
57000
89%
**69
100%
Hodgdon Retumbo
<<locked>>
97%
41568
65%
**02
99%
Hodgdon Superperformance
<<locked>>
84%
57130
90%
**22
100%
Hodgdon TrailBoss
<<locked>>
97%
35549
56%
**31
100%
IMR 4350
<<locked>>
87%
57087
89%
**46
100%
IMR 4451 Enduron
<<locked>>
83%
57043
89%
**27
100%
IMR 4831
<<locked>>
90%
56811
89%
**46
100%
IMR 4955 Enduron
<<locked>>
94%
57319
90%
**63
99%
IMR 7828 SSC
<<locked>>
93%
57087
89%
**51
99%
[IMR 7977 Enduron]*
<<locked>>
97%
54752
86%
**58
92%
[IMR 8133 Enduron]*
<<locked>>
97%
37275
58%
**94
94%
Lovex S065
<<locked>>
85%
57072
89%
**17
100%
Lovex S070
<<locked>>
86%
57232
90%
**43
100%
Lovex S071
<<locked>>
97%
53287
83%
**84
100%
Norma 204
<<locked>>
87%
57348
90%
**92
99%
Norma 217
<<locked>>
97%
37681
59%
**33
97%
Norma MRP 👍
<<locked>>
92%
57363
90%
**68
100%
Norma URP
<<locked>>
86%
56782
89%
**63
100%
Ramshot Hunter
<<locked>>
87%
57145
90%
**89
100%
Ramshot Magnum 👍
<<locked>>
94%
56652
89%
**18
100%
ReloadSwiss RS 14
<<locked>>
96%
36390
57%
**73
100%
ReloadSwiss RS 62
<<locked>>
85%
56884
89%
**82
100%
ReloadSwiss RS 70
<<locked>>
86%
57348
90%
**35
100%
ReloadSwiss RS 76
<<locked>>
97%
51750
81%
**48
100%
ReloadSwiss RS 80
<<locked>>
97%
46688
73%
**13
96%
Rottweil R 904
<<locked>>
90%
57072
89%
**56
99%
Rottweil R 905 👍
<<locked>>
91%
57290
90%
**05
100%
Rottweil R 907
<<locked>>
84%
56855
89%
**20
100%
SNPE Vectan Tubal 7000
<<locked>>
85%
57421
90%
**87
100%
Shooters World Long Rifle
<<locked>>
85%
57072
89%
**17
100%
Somchem S361
<<locked>>
89%
56913
89%
**20
98%
Somchem S365
<<locked>>
88%
57363
90%
**63
100%
Somchem S385
<<locked>>
91%
57276
90%
**72
100%
Vihtavuori N150
<<locked>>
86%
56855
89%
**58
100%
Vihtavuori N160
<<locked>>
84%
57130
90%
**27
100%
Vihtavuori N165
<<locked>>
96%
57000
89%
**46
100%
Vihtavuori N550
<<locked>>
83%
56724
89%
**66
100%
Vihtavuori N555
<<locked>>
92%
56927
89%
**89
100%
Vihtavuori N560
<<locked>>
94%
57261
90%
**68
99%
Vihtavuori N565
<<locked>>
97%
54897
86%
**12
98%
Vihtavuori N568
<<locked>>
97%
48095
75%
**30
96%
[Vihtavuori N570]*
<<locked>>
97%
45890
72%
**07
92%
Winchester 6.5 StaBALL
<<locked>>
85%
56826
89%
**97
100%
Winchester StaBALL HD
<<locked>>
96%
56043
88%
**94
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
41234
65%
**13
97%
[ADI AR 2213]*
<<locked>>
81%
36840
58%
**35
93%
[ADI AR 2217]*
<<locked>>
85%
31372
49%
**74
90%
[ADI AR 2225]*
<<locked>>
83%
26194
41%
**59
90%
Accurate 3100
<<locked>>
81%
37289
58%
**85
98%
Accurate 4350
<<locked>>
81%
49835
78%
**51
100%
[Accurate MAGPRO]*
<<locked>>
81%
36071
57%
**31
91%
Alliant Reloder-16
<<locked>>
81%
47340
74%
**48
100%
Alliant Reloder-19
<<locked>>
81%
41437
65%
**13
97%
Alliant Reloder-22
<<locked>>
81%
36941
58%
**51
95%
Alliant Reloder-23
<<locked>>
81%
35592
56%
**08
100%
Alliant Reloder-25
<<locked>>
81%
30937
48%
**20
97%
Alliant Reloder-26
<<locked>>
81%
39378
62%
**59
100%
[Hodgdon H1000]*
<<locked>>
85%
31372
49%
**74
90%
Hodgdon H4350
<<locked>>
81%
44976
70%
**30
98%
[Hodgdon H4831]*
<<locked>>
81%
34592
54%
**36
92%
[Hodgdon H4831 SC]*
<<locked>>
81%
38740
61%
**35
94%
Hodgdon Hybrid 100V
<<locked>>
81%
44962
70%
**26
100%
Hodgdon LVR
<<locked>>
81%
51895
81%
**81
100%
[Hodgdon Retumbo]*
<<locked>>
83%
26194
41%
**59
90%
Hodgdon Superperformance
<<locked>>
81%
51300
80%
**27
100%
Hodgdon TrailBoss
<<locked>>
81%
28297
44%
**73
100%
IMR 4350
<<locked>>
81%
47108
74%
**72
99%
IMR 4451 Enduron
<<locked>>
81%
53359
84%
**74
100%
IMR 4831
<<locked>>
81%
42888
67%
**03
100%
[IMR 4955 Enduron]*
<<locked>>
81%
38841
61%
**02
94%
[IMR 7828 SSC]*
<<locked>>
81%
37768
59%
**74
94%
[IMR 7977 Enduron]*
<<locked>>
94%
49908
78%
**79
90%
[IMR 8133 Enduron]*
<<locked>>
91%
30472
48%
**10
90%
Lovex S065
<<locked>>
81%
50908
80%
**18
100%
Lovex S070
<<locked>>
81%
49168
77%
**12
100%
Lovex S071
<<locked>>
81%
31966
50%
**57
96%
Norma 204
<<locked>>
81%
47674
75%
**22
98%
[Norma 217]*
<<locked>>
87%
26832
42%
**15
90%
Norma MRP
<<locked>>
81%
38899
61%
**20
97%
Norma URP
<<locked>>
81%
48385
76%
**31
100%
Ramshot Hunter
<<locked>>
81%
47384
74%
**28
100%
Ramshot Magnum
<<locked>>
81%
34258
54%
**75
95%
ReloadSwiss RS 14
<<locked>>
81%
29051
46%
**16
100%
ReloadSwiss RS 62
<<locked>>
81%
49719
78%
**71
100%
ReloadSwiss RS 70
<<locked>>
81%
47921
75%
**94
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
29196
46%
**87
92%
[ReloadSwiss RS 80]*
<<locked>>
88%
33837
53%
**18
90%
Rottweil R 904
<<locked>>
81%
42583
67%
**97
96%
Rottweil R 905
<<locked>>
81%
40814
64%
**00
97%
Rottweil R 907
<<locked>>
81%
52011
81%
**41
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
49705
78%
**59
99%
Shooters World Long Rifle
<<locked>>
81%
50908
80%
**18
100%
Somchem S361
<<locked>>
81%
43497
68%
**87
95%
Somchem S365
<<locked>>
81%
45368
71%
**79
100%
Somchem S385
<<locked>>
81%
41336
65%
**80
98%
Vihtavuori N150
<<locked>>
81%
48515
76%
**33
100%
Vihtavuori N160
<<locked>>
81%
52141
82%
**51
100%
Vihtavuori N165
<<locked>>
81%
34650
54%
**20
95%
Vihtavuori N550
<<locked>>
81%
52533
82%
**94
100%
Vihtavuori N555
<<locked>>
81%
40045
63%
**87
100%
[Vihtavuori N560]*
<<locked>>
81%
37057
58%
**57
93%
[Vihtavuori N565]*
<<locked>>
81%
31778
50%
**07
91%
[Vihtavuori N568]*
<<locked>>
88%
34809
55%
**25
90%
[Vihtavuori N570]*
<<locked>>
93%
40611
64%
**85
90%
Winchester 6.5 StaBALL
<<locked>>
81%
49211
77%
**79
100%
Winchester StaBALL HD
<<locked>>
81%
31821
50%
**31
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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