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Load data for 7 x 66 SE v. Hofe + .284 | 175gr | Speer Magnum Tip Soft Point

Recommended Powder(s):

7 x 66 SE v. Hofe + .284 | 175gr | Speer Magnum Tip Soft Point

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 175gr | Speer Magnum Tip Soft Point
Manufacturer SKU:
1641
Bullet Weight:
175gr | 11.3g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.230" | 31.2mm
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:
0.571" | 14.5mm
Shank Seated Depth:
0.571" | 14.5mm
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_B6134_C1097
Last updated:
2025-01-01

Load data for 102 loads in caliber 7 x 66 SE v. Hofe with .284 | 175gr | Speer Magnum Tip Soft Point bullet and 51 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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  • 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>>
87%
56927
89%
**41
100%
ADI AR 2213 👍
<<locked>>
90%
56840
89%
**87
100%
ADI AR 2217
<<locked>>
97%
52518
82%
**15
100%
[ADI AR 2218]*
<<locked>>
97%
45397
71%
**62
94%
ADI AR 2225
<<locked>>
97%
47993
75%
**89
100%
Accurate 3100
<<locked>>
90%
56855
89%
**76
100%
Accurate MAGPRO 👍
<<locked>>
90%
57392
90%
**00
99%
Alliant Reloder-16
<<locked>>
83%
57101
89%
**28
100%
Alliant Reloder-19
<<locked>>
87%
57130
90%
**44
100%
Alliant Reloder-22
<<locked>>
90%
57145
90%
**71
100%
Alliant Reloder-23
<<locked>>
91%
57203
90%
**15
100%
Alliant Reloder-25
<<locked>>
95%
56985
89%
**87
100%
Alliant Reloder-26
<<locked>>
87%
57246
90%
**00
100%
Alliant Reloder-33
<<locked>>
97%
49719
78%
**28
96%
[Alliant Reloder-50]*
<<locked>>
97%
42250
66%
**80
93%
Hodgdon H1000
<<locked>>
97%
52518
82%
**15
100%
Hodgdon H4350
<<locked>>
85%
57305
90%
**85
100%
Hodgdon H4831
<<locked>>
92%
56695
89%
**28
99%
Hodgdon H4831 SC
<<locked>>
89%
56695
89%
**28
99%
Hodgdon Hybrid 100V
<<locked>>
85%
56826
89%
**46
100%
Hodgdon Retumbo
<<locked>>
97%
47993
75%
**89
100%
Hodgdon TrailBoss
<<locked>>
97%
35955
56%
**36
100%
IMR 4350
<<locked>>
84%
57261
90%
**85
100%
IMR 4831
<<locked>>
86%
57000
89%
**79
100%
IMR 4955 Enduron
<<locked>>
90%
56942
89%
**02
99%
IMR 7828 SSC
<<locked>>
89%
56521
89%
**87
100%
[IMR 7977 Enduron]*
<<locked>>
95%
57116
90%
**62
94%
IMR 8133 Enduron
<<locked>>
97%
43845
69%
**03
98%
[Lovex D100]*
<<locked>>
97%
52692
83%
**36
92%
Lovex S071
<<locked>>
95%
56855
89%
**76
100%
Norma 217
<<locked>>
97%
44266
69%
**23
100%
Norma MRP
<<locked>>
88%
57130
90%
**94
100%
Ramshot Hunter
<<locked>>
83%
57290
90%
**28
100%
Ramshot Magnum
<<locked>>
91%
57377
90%
**64
100%
ReloadSwiss RS 14
<<locked>>
96%
36535
57%
**72
100%
ReloadSwiss RS 76 👍
<<locked>>
95%
56637
89%
**66
100%
ReloadSwiss RS 80
<<locked>>
97%
55129
86%
**07
99%
Rottweil R 904
<<locked>>
87%
56826
89%
**05
100%
Rottweil R 905
<<locked>>
87%
56942
89%
**35
100%
Somchem S361
<<locked>>
86%
57377
90%
**79
99%
Somchem S365
<<locked>>
84%
57072
89%
**79
100%
Somchem S385
<<locked>>
87%
56869
89%
**99
100%
Vihtavuori N150
<<locked>>
83%
57232
90%
**97
100%
Vihtavuori N165
<<locked>>
93%
57246
90%
**95
100%
[Vihtavuori N170]*
<<locked>>
97%
49066
77%
**94
94%
Vihtavuori N555
<<locked>>
88%
57058
89%
**15
100%
Vihtavuori N560 👍
<<locked>>
90%
56884
89%
**94
99%
Vihtavuori N565 👍
<<locked>>
94%
56898
89%
**84
100%
Vihtavuori N568
<<locked>>
97%
55709
87%
**13
99%
Vihtavuori N570
<<locked>>
97%
53766
84%
**10
97%
Winchester StaBALL HD
<<locked>>
91%
57217
90%
**17
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
46572
73%
**67
99%
ADI AR 2213
<<locked>>
81%
41582
65%
**12
97%
[ADI AR 2217]*
<<locked>>
81%
30922
48%
**46
93%
[ADI AR 2218]*
<<locked>>
91%
37768
59%
**82
90%
ADI AR 2225
<<locked>>
81%
28369
44%
**20
95%
Accurate 3100
<<locked>>
81%
42337
66%
**46
100%
Accurate MAGPRO
<<locked>>
81%
41278
65%
**02
95%
Alliant Reloder-16
<<locked>>
81%
53447
84%
**76
100%
Alliant Reloder-19
<<locked>>
81%
46441
73%
**61
99%
Alliant Reloder-22
<<locked>>
81%
42264
66%
**12
98%
Alliant Reloder-23
<<locked>>
81%
41089
64%
**66
100%
Alliant Reloder-25
<<locked>>
81%
35462
56%
**97
99%
Alliant Reloder-26
<<locked>>
81%
45905
72%
**23
100%
[Alliant Reloder-33]*
<<locked>>
87%
35128
55%
**07
90%
[Alliant Reloder-50]*
<<locked>>
92%
35882
56%
**36
90%
[Hodgdon H1000]*
<<locked>>
81%
30922
48%
**46
93%
Hodgdon H4350
<<locked>>
81%
49835
78%
**74
100%
Hodgdon H4831
<<locked>>
81%
39001
61%
**97
96%
Hodgdon H4831 SC
<<locked>>
81%
43511
68%
**95
97%
Hodgdon Hybrid 100V
<<locked>>
81%
50517
79%
**61
100%
Hodgdon Retumbo
<<locked>>
81%
28369
44%
**20
95%
Hodgdon TrailBoss
<<locked>>
87%
31444
49%
**47
100%
IMR 4350
<<locked>>
81%
52460
82%
**13
100%
IMR 4831
<<locked>>
81%
48153
75%
**41
100%
IMR 4955 Enduron
<<locked>>
81%
43105
68%
**52
97%
IMR 7828 SSC
<<locked>>
81%
42975
67%
**51
98%
[IMR 7977 Enduron]*
<<locked>>
86%
42960
67%
**10
90%
[IMR 8133 Enduron]*
<<locked>>
82%
26847
42%
**67
90%
[Lovex D100]*
<<locked>>
94%
46934
74%
**38
90%
Lovex S071
<<locked>>
81%
36550
57%
**21
99%
[Norma 217]*
<<locked>>
81%
25860
41%
**54
92%
Norma MRP
<<locked>>
81%
44875
70%
**90
100%
Ramshot Hunter
<<locked>>
81%
53171
83%
**62
100%
Ramshot Magnum
<<locked>>
81%
39697
62%
**66
99%
ReloadSwiss RS 14
<<locked>>
83%
30429
48%
**47
100%
ReloadSwiss RS 76
<<locked>>
81%
33663
53%
**00
98%
[ReloadSwiss RS 80]*
<<locked>>
81%
30458
48%
**85
91%
Rottweil R 904
<<locked>>
81%
47384
74%
**44
98%
Rottweil R 905
<<locked>>
81%
46035
72%
**54
99%
Somchem S361
<<locked>>
81%
48240
76%
**31
98%
Somchem S365
<<locked>>
81%
51866
81%
**10
100%
Somchem S385
<<locked>>
81%
46354
73%
**28
100%
Vihtavuori N150
<<locked>>
81%
53650
84%
**51
100%
Vihtavuori N165
<<locked>>
81%
39160
61%
**84
98%
[Vihtavuori N170]*
<<locked>>
89%
38043
60%
**74
90%
Vihtavuori N555
<<locked>>
81%
45730
72%
**38
100%
Vihtavuori N560
<<locked>>
81%
42525
67%
**38
97%
Vihtavuori N565
<<locked>>
81%
36941
58%
**07
95%
[Vihtavuori N568]*
<<locked>>
81%
32010
50%
**11
91%
[Vihtavuori N570]*
<<locked>>
86%
35911
56%
**43
90%
Winchester StaBALL HD
<<locked>>
81%
38537
60%
**08
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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