top of page

Load data for 7 x 66 SE v. Hofe + .284 | 175gr | A-Square MONO RN

Recommended Powder(s): ADI AR 2225, Hodgdon Retumbo, ReloadSwiss RS 76, ReloadSwiss RS 80, Vihtavuori N565

7 x 66 SE v. Hofe + .284 | 175gr | A-Square MONO RN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 175gr | A-Square MONO RN
Bullet Weight:
175gr | 11.3g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.000" | 25.4mm
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:
0.341" | 8.6mm
Shank Seated Depth:
0.341" | 8.6mm
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_B377_C1097
Last updated:
2025-01-01

Load data for 94 loads in caliber 7 x 66 SE v. Hofe with .284 | 175gr | A-Square MONO RN bullet and 47 powders such as ADI AR 2225, Hodgdon Retumbo, ReloadSwiss RS 76, ReloadSwiss RS 80, Vihtavuori N565. 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".

  • No data yet

  • 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.

    .

    Loading_icon.gif

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>>
86%
56724
89%
**41
100%
ADI AR 2213
<<locked>>
89%
56768
89%
**87
100%
ADI AR 2217
<<locked>>
97%
55999
88%
**74
100%
ADI AR 2218
<<locked>>
97%
48254
76%
**31
96%
ADI AR 2225 👍
<<locked>>
97%
51097
80%
**41
100%
Accurate 3100
<<locked>>
88%
56942
89%
**82
100%
Accurate MAGPRO
<<locked>>
88%
56811
89%
**00
99%
Alliant Reloder-19
<<locked>>
86%
57130
90%
**54
100%
Alliant Reloder-22
<<locked>>
89%
57348
90%
**87
100%
Alliant Reloder-23
<<locked>>
90%
57334
90%
**22
100%
Alliant Reloder-25
<<locked>>
93%
56695
89%
**77
100%
Alliant Reloder-26
<<locked>>
85%
57261
90%
**90
100%
Alliant Reloder-33
<<locked>>
97%
53809
84%
**07
98%
Alliant Reloder-50
<<locked>>
97%
45701
72%
**53
95%
Hodgdon H1000
<<locked>>
97%
55999
88%
**74
100%
Hodgdon H4350
<<locked>>
84%
57130
90%
**95
100%
Hodgdon H4831
<<locked>>
91%
57305
90%
**38
99%
Hodgdon H4831 SC
<<locked>>
88%
57305
90%
**38
99%
Hodgdon Hybrid 100V
<<locked>>
83%
56826
89%
**53
100%
Hodgdon Retumbo 👍
<<locked>>
97%
51097
80%
**41
100%
Hodgdon TrailBoss
<<locked>>
96%
35766
56%
**45
100%
IMR 4831
<<locked>>
85%
56898
89%
**79
100%
IMR 4955 Enduron
<<locked>>
89%
57261
90%
**15
100%
IMR 7828 SSC
<<locked>>
88%
57406
90%
**07
100%
IMR 7977 Enduron
<<locked>>
94%
57188
90%
**76
95%
IMR 8133 Enduron
<<locked>>
97%
46920
74%
**59
99%
[Lovex D100]*
<<locked>>
97%
55013
86%
**85
93%
Lovex S071
<<locked>>
94%
57377
90%
**85
100%
Norma 217
<<locked>>
97%
47645
75%
**79
100%
Norma MRP
<<locked>>
86%
57319
90%
**94
100%
Ramshot Magnum
<<locked>>
89%
57421
90%
**67
100%
ReloadSwiss RS 14
<<locked>>
97%
37173
58%
**98
100%
ReloadSwiss RS 76 👍
<<locked>>
93%
56840
89%
**63
100%
ReloadSwiss RS 80 👍
<<locked>>
96%
57174
90%
**40
99%
Rottweil R 904
<<locked>>
85%
56869
89%
**08
100%
Rottweil R 905
<<locked>>
86%
56826
89%
**44
100%
[SNPE Vectan SP 13]*
<<locked>>
97%
40277
63%
**72
92%
Somchem S361
<<locked>>
85%
57377
90%
**92
99%
Somchem S385
<<locked>>
86%
56971
89%
**05
100%
Vihtavuori N165
<<locked>>
91%
57261
90%
**99
100%
Vihtavuori N170
<<locked>>
97%
52083
82%
**46
95%
Vihtavuori N555
<<locked>>
86%
57159
90%
**22
100%
Vihtavuori N560
<<locked>>
88%
57072
89%
**10
100%
Vihtavuori N565 👍
<<locked>>
92%
56884
89%
**84
100%
Vihtavuori N568
<<locked>>
96%
57043
89%
**36
99%
Vihtavuori N570
<<locked>>
97%
57101
89%
**63
98%
Winchester StaBALL HD
<<locked>>
89%
56797
89%
**00
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
48646
76%
**17
99%
ADI AR 2213
<<locked>>
81%
43787
69%
**54
98%
[ADI AR 2217]*
<<locked>>
81%
32706
51%
**05
94%
[ADI AR 2218]*
<<locked>>
89%
36477
57%
**52
90%
ADI AR 2225
<<locked>>
81%
29936
47%
**72
96%
Accurate 3100
<<locked>>
81%
44802
70%
**92
100%
Accurate MAGPRO
<<locked>>
81%
43714
68%
**64
96%
Alliant Reloder-19
<<locked>>
81%
48834
77%
**17
100%
Alliant Reloder-22
<<locked>>
81%
44454
70%
**64
99%
Alliant Reloder-23
<<locked>>
81%
43308
68%
**08
100%
Alliant Reloder-25
<<locked>>
81%
37347
59%
**39
100%
Alliant Reloder-26
<<locked>>
81%
48878
77%
**66
100%
[Alliant Reloder-33]*
<<locked>>
85%
34127
53%
**90
90%
[Alliant Reloder-50]*
<<locked>>
90%
35578
56%
**23
90%
[Hodgdon H1000]*
<<locked>>
81%
32706
51%
**05
94%
Hodgdon H4350
<<locked>>
81%
51866
81%
**13
100%
Hodgdon H4831
<<locked>>
81%
41234
65%
**52
97%
Hodgdon H4831 SC
<<locked>>
81%
45556
71%
**44
98%
Hodgdon Hybrid 100V
<<locked>>
81%
52649
82%
**97
100%
Hodgdon Retumbo
<<locked>>
81%
29936
47%
**72
96%
Hodgdon TrailBoss
<<locked>>
86%
30980
49%
**47
100%
IMR 4831
<<locked>>
81%
50241
79%
**77
100%
IMR 4955 Enduron
<<locked>>
81%
44846
70%
**95
98%
IMR 7828 SSC
<<locked>>
81%
45368
71%
**94
98%
[IMR 7977 Enduron]*
<<locked>>
84%
41945
66%
**03
90%
[IMR 8133 Enduron]*
<<locked>>
81%
27354
43%
**87
91%
[Lovex D100]*
<<locked>>
92%
46122
72%
**31
90%
Lovex S071
<<locked>>
81%
38580
60%
**67
99%
[Norma 217]*
<<locked>>
81%
27601
43%
**10
94%
Norma MRP
<<locked>>
81%
47297
74%
**36
100%
Ramshot Magnum
<<locked>>
81%
42206
66%
**08
99%
ReloadSwiss RS 14
<<locked>>
81%
29747
47%
**44
100%
ReloadSwiss RS 76
<<locked>>
81%
35824
56%
**66
99%
[ReloadSwiss RS 80]*
<<locked>>
81%
32793
51%
**51
92%
Rottweil R 904
<<locked>>
81%
49690
78%
**87
99%
Rottweil R 905
<<locked>>
81%
48138
75%
**97
100%
[SNPE Vectan SP 13]*
<<locked>>
94%
36274
57%
**80
90%
Somchem S361
<<locked>>
81%
50459
79%
**80
99%
Somchem S385
<<locked>>
81%
48718
76%
**77
100%
Vihtavuori N165
<<locked>>
81%
41423
65%
**36
99%
[Vihtavuori N170]*
<<locked>>
86%
37333
59%
**61
90%
Vihtavuori N555
<<locked>>
81%
48051
75%
**77
100%
Vihtavuori N560
<<locked>>
81%
44889
70%
**90
98%
Vihtavuori N565
<<locked>>
81%
39102
61%
**52
96%
[Vihtavuori N568]*
<<locked>>
81%
33881
53%
**67
92%
[Vihtavuori N570]*
<<locked>>
83%
35172
55%
**20
90%
Winchester StaBALL HD
<<locked>>
81%
41321
65%
**61
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

bottom of page