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Load data for 7 x 66 SE v. Hofe + .284 | 125gr | Hasler ARIETE

Recommended Powder(s): Accurate 4350, Alliant Reloder-16, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70

7 x 66 SE v. Hofe + .284 | 125gr | Hasler ARIETE

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 125gr | Hasler ARIETE
Manufacturer SKU:
A7-125
Bullet Weight:
125gr | 8.1g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.240" | 31.5mm
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:
0.581" | 14.7mm
Shank Seated Depth:
0.441" | 11.2mm
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_B7062_C1097
Last updated:
2025-01-01
Recommended Twist Rate:
1:11 - 1:9

Load data for 148 loads in caliber 7 x 66 SE v. Hofe with .284 | 125gr | Hasler ARIETE bullet and 74 powders such as Accurate 4350, Alliant Reloder-16, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70. 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 2208
<<locked>>
86%
57130
90%
**02
100%
ADI AR 2209
<<locked>>
96%
57261
90%
**97
98%
ADI AR 2213
<<locked>>
97%
52359
82%
**28
96%
Accurate 2700
<<locked>>
86%
56811
89%
**46
99%
Accurate 3100
<<locked>>
97%
50778
80%
**17
99%
Accurate 4064
<<locked>>
84%
57406
90%
**69
100%
Accurate 4350 👍
<<locked>>
91%
57232
90%
**61
100%
[Accurate MAGPRO]*
<<locked>>
97%
50676
79%
**05
93%
Alliant Reloder- TS 15.5
<<locked>>
85%
56840
89%
**09
100%
Alliant Reloder-16 👍
<<locked>>
92%
56782
89%
**01
100%
Alliant Reloder-17
<<locked>>
88%
57188
90%
**04
100%
Alliant Reloder-19
<<locked>>
96%
56710
89%
**71
98%
Alliant Reloder-22
<<locked>>
97%
51547
81%
**28
97%
Alliant Reloder-23
<<locked>>
97%
48907
77%
**53
100%
Alliant Reloder-25
<<locked>>
97%
42264
66%
**54
98%
Alliant Reloder-26
<<locked>>
97%
57029
89%
**73
100%
Hodgdon H380
<<locked>>
84%
57043
89%
**25
100%
Hodgdon H414
<<locked>>
87%
57217
90%
**87
99%
Hodgdon H4350
<<locked>>
94%
56681
89%
**22
99%
[Hodgdon H4831]*
<<locked>>
97%
48530
76%
**87
94%
Hodgdon H4831 SC
<<locked>>
97%
55013
86%
**15
96%
Hodgdon Hybrid 100V
<<locked>>
94%
57029
89%
**12
100%
Hodgdon LVR
<<locked>>
89%
57406
90%
**71
100%
Hodgdon Superperformance
<<locked>>
89%
57421
90%
**14
99%
Hodgdon VARGET
<<locked>>
86%
57130
90%
**02
100%
Hodgdon TrailBoss
<<locked>>
97%
34664
54%
**18
100%
IMR 4064
<<locked>>
86%
57406
90%
**96
100%
IMR 4166 Enduron
<<locked>>
87%
57377
90%
**02
99%
IMR 4350
<<locked>>
92%
57159
90%
**22
99%
IMR 4451 Enduron
<<locked>>
88%
57000
89%
**09
99%
IMR 4831
<<locked>>
96%
56724
89%
**38
100%
IMR 4955 Enduron
<<locked>>
97%
53548
84%
**53
96%
IMR 7828 SSC
<<locked>>
97%
53519
84%
**71
96%
Lovex S062
<<locked>>
84%
57014
89%
**82
100%
Lovex S065
<<locked>>
90%
57043
89%
**09
100%
Lovex S070
<<locked>>
91%
56927
89%
**25
99%
Lovex S071
<<locked>>
97%
42061
66%
**53
97%
Norma 203B
<<locked>>
83%
57072
89%
**32
100%
Norma 204
<<locked>>
91%
56927
89%
**61
98%
Norma MRP
<<locked>>
97%
54679
86%
**14
99%
Norma URP
<<locked>>
91%
56913
89%
**61
100%
Ramshot Hunter 👍
<<locked>>
92%
57363
90%
**78
100%
Ramshot Magnum
<<locked>>
97%
50343
79%
**82
98%
ReloadSwiss RS 14
<<locked>>
96%
34896
55%
**57
100%
ReloadSwiss RS 50
<<locked>>
84%
57116
89%
**09
99%
ReloadSwiss RS 60
<<locked>>
88%
56608
89%
**23
100%
ReloadSwiss RS 62 👍
<<locked>>
91%
57348
90%
**87
100%
ReloadSwiss RS 70 👍
<<locked>>
91%
57232
90%
**40
100%
ReloadSwiss RS 76
<<locked>>
97%
40712
64%
**45
96%
Rottweil R 902
<<locked>>
83%
57130
90%
**69
100%
Rottweil R 903
<<locked>>
87%
56956
89%
**99
100%
Rottweil R 904
<<locked>>
95%
56869
89%
**32
97%
Rottweil R 905
<<locked>>
97%
56826
89%
**78
98%
Rottweil R 907
<<locked>>
89%
57290
90%
**12
99%
SNPE Vectan SP 11
<<locked>>
85%
56652
89%
**35
100%
SNPE Vectan Tubal 5000
<<locked>>
86%
57116
89%
**71
100%
SNPE Vectan Tubal 7000
<<locked>>
90%
57392
90%
**59
99%
Shooters World Long Rifle
<<locked>>
90%
57043
89%
**09
100%
Shooters World Precision
<<locked>>
84%
57014
89%
**82
100%
Somchem S355
<<locked>>
87%
57145
90%
**99
100%
Somchem S361
<<locked>>
94%
56797
89%
**79
96%
Somchem S365
<<locked>>
94%
57334
90%
**74
100%
Somchem S385
<<locked>>
97%
57363
90%
**45
99%
Vihtavuori N135
<<locked>>
88%
57406
90%
**23
100%
Vihtavuori N150
<<locked>>
92%
57029
89%
**56
100%
Vihtavuori N160
<<locked>>
89%
57435
90%
**32
100%
Vihtavuori N165
<<locked>>
97%
47645
75%
**54
97%
Vihtavuori N550
<<locked>>
89%
56811
89%
**64
100%
Vihtavuori N555
<<locked>>
97%
54476
85%
**45
100%
Vihtavuori N560
<<locked>>
97%
52112
82%
**45
95%
[Vihtavuori N565]*
<<locked>>
97%
43163
68%
**38
93%
Winchester 6.5 StaBALL
<<locked>>
90%
57145
90%
**82
100%
Winchester 760
<<locked>>
87%
57217
90%
**87
99%
Winchester StaBALL HD
<<locked>>
97%
44440
70%
**99
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
49327
77%
**61
100%
[ADI AR 2209]*
<<locked>>
81%
33649
53%
**59
90%
[ADI AR 2213]*
<<locked>>
88%
37913
59%
**90
90%
Accurate 2700
<<locked>>
81%
47239
74%
**76
97%
[Accurate 3100]*
<<locked>>
81%
28543
45%
**85
91%
Accurate 4064
<<locked>>
81%
51430
81%
**84
100%
Accurate 4350
<<locked>>
81%
39682
62%
**23
98%
[Accurate MAGPRO]*
<<locked>>
92%
42192
66%
**25
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
49806
78%
**94
100%
Alliant Reloder-16
<<locked>>
81%
38769
61%
**33
98%
Alliant Reloder-17
<<locked>>
81%
44889
70%
**91
100%
[Alliant Reloder-19]*
<<locked>>
81%
33663
53%
**62
90%
[Alliant Reloder-22]*
<<locked>>
85%
33156
52%
**85
90%
Alliant Reloder-23
<<locked>>
81%
27891
44%
**35
95%
[Alliant Reloder-25]*
<<locked>>
85%
27528
43%
**12
90%
[Alliant Reloder-26]*
<<locked>>
81%
30124
47%
**53
94%
Hodgdon H380
<<locked>>
81%
50444
79%
**10
100%
Hodgdon H414
<<locked>>
81%
45963
72%
**71
97%
[Hodgdon H4350]*
<<locked>>
81%
37478
59%
**25
94%
[Hodgdon H4831]*
<<locked>>
90%
38667
61%
**67
90%
[Hodgdon H4831 SC]*
<<locked>>
87%
38667
61%
**67
90%
Hodgdon Hybrid 100V
<<locked>>
81%
36013
56%
**15
99%
Hodgdon LVR
<<locked>>
81%
43033
67%
**92
98%
Hodgdon Superperformance
<<locked>>
81%
41423
65%
**02
96%
Hodgdon VARGET
<<locked>>
81%
48689
76%
**58
100%
Hodgdon TrailBoss
<<locked>>
81%
27543
43%
**50
100%
IMR 4064
<<locked>>
81%
48124
75%
**41
100%
IMR 4166 Enduron
<<locked>>
81%
47079
74%
**05
98%
IMR 4350
<<locked>>
81%
39363
62%
**71
95%
IMR 4451 Enduron
<<locked>>
81%
45614
71%
**99
97%
IMR 4831
<<locked>>
81%
34171
54%
**62
96%
[IMR 4955 Enduron]*
<<locked>>
86%
37333
58%
**02
90%
[IMR 7828 SSC]*
<<locked>>
87%
37550
59%
**04
90%
Lovex S062
<<locked>>
81%
51866
81%
**94
100%
Lovex S065
<<locked>>
81%
42598
67%
**23
98%
Lovex S070
<<locked>>
81%
40669
64%
**94
96%
[Lovex S071]*
<<locked>>
84%
26905
42%
**33
90%
Norma 203B
<<locked>>
81%
52707
83%
**50
100%
[Norma 204]*
<<locked>>
81%
39073
61%
**87
93%
[Norma MRP]*
<<locked>>
81%
30429
48%
**30
90%
Norma URP
<<locked>>
81%
39581
62%
**13
98%
Ramshot Hunter
<<locked>>
81%
38624
61%
**04
96%
[Ramshot Magnum]*
<<locked>>
85%
31807
50%
**23
90%
ReloadSwiss RS 14
<<locked>>
81%
27818
44%
**90
100%
ReloadSwiss RS 50
<<locked>>
81%
50691
79%
**94
99%
ReloadSwiss RS 60
<<locked>>
81%
43294
68%
**74
100%
ReloadSwiss RS 62
<<locked>>
81%
39856
62%
**49
98%
ReloadSwiss RS 70
<<locked>>
81%
38711
61%
**49
97%
[ReloadSwiss RS 76]*
<<locked>>
90%
32082
50%
**89
90%
Rottweil R 902
<<locked>>
81%
53432
84%
**10
100%
Rottweil R 903
<<locked>>
81%
46862
73%
**38
100%
[Rottweil R 904]*
<<locked>>
82%
36100
57%
**89
90%
[Rottweil R 905]*
<<locked>>
81%
32474
51%
**36
90%
Rottweil R 907
<<locked>>
81%
43743
69%
**53
96%
SNPE Vectan SP 11
<<locked>>
81%
48921
77%
**07
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
48530
76%
**40
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
41756
65%
**64
96%
Shooters World Long Rifle
<<locked>>
81%
42598
67%
**23
98%
Shooters World Precision
<<locked>>
81%
51866
81%
**94
100%
Somchem S355
<<locked>>
81%
47340
74%
**31
100%
[Somchem S361]*
<<locked>>
83%
38159
60%
**02
90%
Somchem S365
<<locked>>
81%
35853
56%
**58
99%
[Somchem S385]*
<<locked>>
81%
32938
52%
**20
92%
Vihtavuori N135
<<locked>>
81%
45847
72%
**36
100%
Vihtavuori N150
<<locked>>
81%
40379
63%
**61
100%
Vihtavuori N160
<<locked>>
81%
42946
67%
**59
99%
[Vihtavuori N165]*
<<locked>>
85%
31198
49%
**57
90%
Vihtavuori N550
<<locked>>
81%
43352
68%
**02
99%
Vihtavuori N555
<<locked>>
81%
31024
49%
**26
96%
[Vihtavuori N560]*
<<locked>>
88%
38232
60%
**30
90%
[Vihtavuori N565]*
<<locked>>
92%
36782
58%
**87
90%
Winchester 6.5 StaBALL
<<locked>>
81%
40625
64%
**90
100%
Winchester 760
<<locked>>
81%
45963
72%
**71
97%
[Winchester StaBALL HD]*
<<locked>>
81%
22060
35%
**72
93%

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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