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Load data for 7 x 66 SE v. Hofe + .284 | 156gr | Lapua Naturalis

Recommended Powder(s):

7 x 66 SE v. Hofe + .284 | 156gr | Lapua Naturalis

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 156gr | Lapua Naturalis
Manufacturer SKU:
NPL7027 | N564
Bullet Weight:
155gr | 10.0g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.349" | 34.3mm
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:
0.690" | 17.5mm
Shank Seated Depth:
0.690" | 17.5mm
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_B3132_C1097
Last updated:
2025-01-01

Load data for 120 loads in caliber 7 x 66 SE v. Hofe with .284 | 156gr | Lapua Naturalis bullet and 60 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%
56985
89%
**89
100%
ADI AR 2213
<<locked>>
93%
56855
89%
**25
99%
ADI AR 2217
<<locked>>
97%
47877
75%
**58
98%
ADI AR 2225
<<locked>>
97%
43482
68%
**35
99%
Accurate 3100
<<locked>>
93%
57246
90%
**30
100%
Accurate 4350
<<locked>>
84%
57319
90%
**43
100%
Accurate MAGPRO
<<locked>>
93%
57058
89%
**38
98%
Alliant Reloder-16
<<locked>>
86%
56739
89%
**82
100%
Alliant Reloder-19
<<locked>>
90%
57217
90%
**92
100%
Alliant Reloder-22 👍
<<locked>>
93%
57116
90%
**28
100%
Alliant Reloder-23
<<locked>>
94%
56927
89%
**69
100%
Alliant Reloder-25 👍
<<locked>>
97%
54186
85%
**99
100%
Alliant Reloder-26
<<locked>>
90%
56913
89%
**61
100%
[Alliant Reloder-33]*
<<locked>>
97%
44701
70%
**67
93%
Hodgdon H1000
<<locked>>
97%
47877
75%
**58
98%
Hodgdon H4350
<<locked>>
88%
56971
89%
**30
100%
Hodgdon H4831
<<locked>>
95%
57014
89%
**66
98%
Hodgdon H4831 SC
<<locked>>
92%
57014
89%
**66
98%
Hodgdon Hybrid 100V
<<locked>>
87%
56927
89%
**97
100%
Hodgdon LVR
<<locked>>
83%
57421
90%
**56
100%
Hodgdon Retumbo
<<locked>>
97%
43482
68%
**35
99%
Hodgdon Superperformance
<<locked>>
83%
57421
90%
**09
100%
Hodgdon TrailBoss
<<locked>>
97%
36027
56%
**31
100%
IMR 4350
<<locked>>
86%
56927
89%
**30
100%
IMR 4831
<<locked>>
89%
57305
90%
**33
100%
IMR 4955 Enduron
<<locked>>
93%
57363
90%
**46
99%
IMR 7828 SSC 👍
<<locked>>
92%
57392
90%
**41
99%
[IMR 7977 Enduron]*
<<locked>>
97%
55637
87%
**61
92%
IMR 8133 Enduron
<<locked>>
97%
39610
62%
**33
95%
Lovex S065
<<locked>>
83%
56637
89%
**97
100%
Lovex S070
<<locked>>
85%
57014
89%
**27
100%
Lovex S071
<<locked>>
97%
55724
87%
**07
100%
Norma 204
<<locked>>
85%
56840
89%
**63
99%
Norma 217
<<locked>>
97%
39624
62%
**66
98%
Norma MRP 👍
<<locked>>
91%
57159
90%
**48
100%
Norma URP
<<locked>>
85%
57232
90%
**49
100%
Ramshot Hunter
<<locked>>
85%
56695
89%
**69
100%
Ramshot Magnum 👍
<<locked>>
93%
57305
90%
**05
100%
ReloadSwiss RS 14
<<locked>>
96%
36608
57%
**67
100%
ReloadSwiss RS 62
<<locked>>
84%
56826
89%
**56
100%
ReloadSwiss RS 70
<<locked>>
85%
57014
89%
**22
100%
ReloadSwiss RS 76
<<locked>>
97%
54099
85%
**77
100%
ReloadSwiss RS 80
<<locked>>
97%
48979
77%
**53
97%
Rottweil R 904
<<locked>>
89%
57188
90%
**49
99%
Rottweil R 905
<<locked>>
90%
57116
89%
**79
100%
Rottweil R 907
<<locked>>
83%
57203
90%
**17
100%
SNPE Vectan Tubal 7000
<<locked>>
84%
57348
90%
**67
100%
Shooters World Long Rifle
<<locked>>
83%
56637
89%
**97
100%
Somchem S361
<<locked>>
88%
57217
90%
**10
98%
Somchem S365
<<locked>>
86%
56942
89%
**36
100%
Somchem S385
<<locked>>
90%
57290
90%
**49
100%
Vihtavuori N150
<<locked>>
85%
57174
90%
**48
100%
Vihtavuori N165
<<locked>>
95%
56797
89%
**33
100%
Vihtavuori N555
<<locked>>
91%
57000
89%
**66
100%
Vihtavuori N560
<<locked>>
93%
56927
89%
**41
99%
Vihtavuori N565
<<locked>>
97%
57174
90%
**25
99%
Vihtavuori N568
<<locked>>
97%
50589
79%
**69
97%
[Vihtavuori N570]*
<<locked>>
97%
48138
75%
**46
93%
Winchester 6.5 StaBALL
<<locked>>
84%
57174
90%
**84
100%
Winchester StaBALL HD
<<locked>>
95%
57406
90%
**87
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
43062
67%
**43
97%
[ADI AR 2213]*
<<locked>>
81%
38464
60%
**61
94%
[ADI AR 2217]*
<<locked>>
83%
30937
48%
**44
90%
[ADI AR 2225]*
<<locked>>
81%
26658
42%
**52
91%
Accurate 3100
<<locked>>
81%
39479
62%
**21
99%
Accurate 4350
<<locked>>
81%
51996
81%
**67
100%
[Accurate MAGPRO]*
<<locked>>
81%
37985
60%
**57
92%
Alliant Reloder-16
<<locked>>
81%
48936
77%
**54
100%
Alliant Reloder-19
<<locked>>
81%
43178
68%
**30
97%
Alliant Reloder-22
<<locked>>
81%
38885
61%
**71
96%
Alliant Reloder-23
<<locked>>
81%
37565
59%
**38
100%
Alliant Reloder-25
<<locked>>
81%
32779
51%
**49
97%
Alliant Reloder-26
<<locked>>
81%
41408
65%
**82
100%
[Alliant Reloder-33]*
<<locked>>
93%
39697
62%
**40
90%
[Hodgdon H1000]*
<<locked>>
83%
30937
48%
**44
90%
Hodgdon H4350
<<locked>>
81%
46572
73%
**49
99%
[Hodgdon H4831]*
<<locked>>
81%
36318
57%
**56
93%
[Hodgdon H4831 SC]*
<<locked>>
81%
40321
63%
**54
94%
Hodgdon Hybrid 100V
<<locked>>
81%
46543
73%
**43
100%
Hodgdon LVR
<<locked>>
81%
53751
84%
**00
100%
[Hodgdon Retumbo]*
<<locked>>
81%
26658
42%
**52
91%
Hodgdon Superperformance
<<locked>>
81%
53127
83%
**36
100%
Hodgdon TrailBoss
<<locked>>
81%
28718
45%
**73
100%
IMR 4350
<<locked>>
81%
48863
77%
**89
99%
IMR 4831
<<locked>>
81%
44657
70%
**30
100%
IMR 4955 Enduron
<<locked>>
81%
40263
63%
**21
95%
IMR 7828 SSC
<<locked>>
81%
39508
62%
**03
95%
[IMR 7977 Enduron]*
<<locked>>
92%
49037
77%
**49
90%
[IMR 8133 Enduron]*
<<locked>>
89%
30501
48%
**90
90%
Lovex S065
<<locked>>
81%
52663
83%
**35
100%
Lovex S070
<<locked>>
81%
50807
80%
**22
100%
Lovex S071
<<locked>>
81%
34171
54%
**90
97%
Norma 204
<<locked>>
81%
49240
77%
**41
98%
[Norma 217]*
<<locked>>
84%
26426
41%
**79
90%
Norma MRP
<<locked>>
81%
40756
64%
**49
98%
Norma URP
<<locked>>
81%
50183
79%
**41
100%
Ramshot Hunter
<<locked>>
81%
49197
77%
**41
100%
Ramshot Magnum
<<locked>>
81%
36332
57%
**12
96%
ReloadSwiss RS 14
<<locked>>
81%
29283
46%
**09
100%
ReloadSwiss RS 62
<<locked>>
81%
51880
81%
**87
100%
ReloadSwiss RS 70
<<locked>>
81%
49748
78%
**07
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
31024
49%
**33
94%
[ReloadSwiss RS 80]*
<<locked>>
86%
33634
53%
**92
90%
Rottweil R 904
<<locked>>
81%
44164
69%
**07
96%
Rottweil R 905
<<locked>>
81%
42598
67%
**20
97%
Rottweil R 907
<<locked>>
81%
53519
84%
**54
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
51793
81%
**82
100%
Shooters World Long Rifle
<<locked>>
81%
52663
83%
**35
100%
Somchem S361
<<locked>>
81%
45353
71%
**07
96%
Somchem S365
<<locked>>
81%
47718
75%
**99
100%
Somchem S385
<<locked>>
81%
43149
68%
**00
98%
Vihtavuori N150
<<locked>>
81%
50183
79%
**46
100%
Vihtavuori N165
<<locked>>
81%
36318
57%
**46
96%
Vihtavuori N555
<<locked>>
81%
42119
66%
**13
100%
[Vihtavuori N560]*
<<locked>>
81%
38754
61%
**84
94%
[Vihtavuori N565]*
<<locked>>
81%
33953
53%
**49
92%
[Vihtavuori N568]*
<<locked>>
86%
34809
55%
**15
90%
[Vihtavuori N570]*
<<locked>>
92%
40437
63%
**66
90%
Winchester 6.5 StaBALL
<<locked>>
81%
50836
80%
**92
100%
Winchester StaBALL HD
<<locked>>
81%
33895
53%
**67
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.

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