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Load data for 7 x 66 SE v. Hofe + .284 | 150gr | Barnes X S

Recommended Powder(s): ADI AR 2213, Alliant Reloder-25, IMR 7828 SSC, Norma MRP, ReloadSwiss RS 76

7 x 66 SE v. Hofe + .284 | 150gr | Barnes X S

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 150gr | Barnes X S
Manufacturer SKU:
28427
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.310" | 33.3mm
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:
0.651" | 16.5mm
Shank Seated Depth:
0.651" | 16.5mm
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_B574_C1097
Last updated:
2025-01-01

Load data for 106 loads in caliber 7 x 66 SE v. Hofe with .284 | 150gr | Barnes X S bullet and 53 powders such as ADI AR 2213, Alliant Reloder-25, IMR 7828 SSC, Norma MRP, ReloadSwiss RS 76. 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>>
89%
56927
89%
**25
99%
ADI AR 2213 👍
<<locked>>
92%
57392
90%
**74
99%
ADI AR 2217
<<locked>>
97%
49922
78%
**33
98%
ADI AR 2225
<<locked>>
97%
45339
71%
**07
99%
Accurate 3100
<<locked>>
91%
56811
89%
**56
100%
Accurate MAGPRO
<<locked>>
92%
57319
90%
**74
97%
Alliant Reloder-16
<<locked>>
85%
57058
89%
**28
100%
Alliant Reloder-19
<<locked>>
89%
57188
90%
**28
99%
Alliant Reloder-22
<<locked>>
91%
56579
89%
**51
99%
Alliant Reloder-23
<<locked>>
93%
57392
90%
**15
100%
Alliant Reloder-25 👍
<<locked>>
97%
56507
89%
**74
100%
Alliant Reloder-26
<<locked>>
89%
57000
89%
**91
100%
[Alliant Reloder-33]*
<<locked>>
97%
46804
73%
**40
93%
Hodgdon H1000
<<locked>>
97%
49922
78%
**33
98%
Hodgdon H4350
<<locked>>
87%
57014
89%
**59
100%
Hodgdon H4831
<<locked>>
94%
57000
89%
**99
98%
Hodgdon H4831 SC
<<locked>>
91%
57000
89%
**99
98%
Hodgdon Hybrid 100V
<<locked>>
87%
57029
89%
**36
100%
Hodgdon Retumbo
<<locked>>
97%
45339
71%
**07
99%
Hodgdon TrailBoss
<<locked>>
97%
36187
57%
**64
100%
IMR 4350
<<locked>>
85%
56956
89%
**56
100%
IMR 4831
<<locked>>
88%
57000
89%
**63
100%
IMR 4955 Enduron
<<locked>>
92%
57406
90%
**82
98%
IMR 7828 SSC 👍
<<locked>>
91%
56797
89%
**71
99%
[IMR 7977 Enduron]*
<<locked>>
97%
57014
89%
**10
92%
IMR 8133 Enduron
<<locked>>
97%
41611
65%
**15
96%
Lovex S070
<<locked>>
84%
57363
90%
**66
100%
Lovex S071
<<locked>>
96%
56811
89%
**56
100%
Norma 204
<<locked>>
85%
57000
89%
**02
99%
Norma 217
<<locked>>
97%
41785
65%
**41
98%
Norma MRP 👍
<<locked>>
90%
57406
90%
**87
100%
Norma URP
<<locked>>
84%
56942
89%
**79
100%
Ramshot Hunter
<<locked>>
85%
56840
89%
**99
100%
Ramshot Magnum
<<locked>>
92%
56768
89%
**35
100%
ReloadSwiss RS 14
<<locked>>
96%
36825
58%
**96
100%
ReloadSwiss RS 70
<<locked>>
84%
56898
89%
**58
100%
ReloadSwiss RS 76 👍
<<locked>>
97%
55796
87%
**36
100%
ReloadSwiss RS 80
<<locked>>
97%
51242
80%
**25
97%
Rottweil R 904
<<locked>>
88%
57174
90%
**76
99%
Rottweil R 905
<<locked>>
89%
57246
90%
**15
99%
Somchem S361
<<locked>>
88%
57421
90%
**46
98%
Somchem S365
<<locked>>
86%
57435
90%
**82
100%
Somchem S385
<<locked>>
89%
57014
89%
**76
100%
Vihtavuori N150
<<locked>>
84%
57319
90%
**87
100%
Vihtavuori N165
<<locked>>
94%
56956
89%
**59
100%
[Vihtavuori N170]*
<<locked>>
97%
47587
75%
**15
91%
Vihtavuori N555
<<locked>>
89%
57159
90%
**99
100%
Vihtavuori N560
<<locked>>
92%
57232
90%
**84
98%
Vihtavuori N565
<<locked>>
96%
57174
90%
**61
99%
Vihtavuori N568
<<locked>>
97%
52214
82%
**28
97%
[Vihtavuori N570]*
<<locked>>
97%
49719
78%
**09
94%
Winchester 6.5 StaBALL
<<locked>>
84%
57159
90%
**13
100%
Winchester StaBALL HD
<<locked>>
94%
57305
90%
**27
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
44599
70%
**95
97%
ADI AR 2213
<<locked>>
81%
40379
63%
**30
95%
[ADI AR 2217]*
<<locked>>
82%
31560
49%
**90
90%
[ADI AR 2225]*
<<locked>>
81%
28485
45%
**34
92%
Accurate 3100
<<locked>>
81%
42090
66%
**94
99%
[Accurate MAGPRO]*
<<locked>>
81%
39885
62%
**26
92%
Alliant Reloder-16
<<locked>>
81%
50575
79%
**20
100%
Alliant Reloder-19
<<locked>>
81%
44715
70%
**95
97%
Alliant Reloder-22
<<locked>>
81%
40799
64%
**40
96%
Alliant Reloder-23
<<locked>>
81%
39450
62%
**07
100%
Alliant Reloder-25
<<locked>>
81%
34911
55%
**35
98%
Alliant Reloder-26
<<locked>>
81%
44063
69%
**64
100%
[Alliant Reloder-33]*
<<locked>>
92%
40582
64%
**92
90%
[Hodgdon H1000]*
<<locked>>
82%
31560
49%
**90
90%
Hodgdon H4350
<<locked>>
81%
48182
75%
**02
99%
[Hodgdon H4831]*
<<locked>>
81%
37884
59%
**25
93%
[Hodgdon H4831 SC]*
<<locked>>
81%
41989
66%
**13
94%
Hodgdon Hybrid 100V
<<locked>>
81%
48544
76%
**05
100%
[Hodgdon Retumbo]*
<<locked>>
81%
28485
45%
**34
92%
Hodgdon TrailBoss
<<locked>>
81%
28979
45%
**03
100%
IMR 4350
<<locked>>
81%
50473
79%
**51
99%
IMR 4831
<<locked>>
81%
46804
73%
**95
100%
IMR 4955 Enduron
<<locked>>
81%
41858
66%
**80
95%
IMR 7828 SSC
<<locked>>
81%
41539
65%
**72
95%
[IMR 7977 Enduron]*
<<locked>>
93%
50879
80%
**02
90%
[IMR 8133 Enduron]*
<<locked>>
86%
30850
48%
**20
90%
Lovex S070
<<locked>>
81%
52895
83%
**90
100%
Lovex S071
<<locked>>
81%
36535
57%
**69
98%
Norma 204
<<locked>>
81%
50894
80%
**94
98%
[Norma 217]*
<<locked>>
82%
27108
42%
**18
90%
Norma MRP
<<locked>>
81%
42728
67%
**18
98%
Norma URP
<<locked>>
81%
52098
82%
**10
100%
Ramshot Hunter
<<locked>>
81%
51010
80%
**07
100%
Ramshot Magnum
<<locked>>
81%
38290
60%
**80
96%
ReloadSwiss RS 14
<<locked>>
81%
29588
46%
**39
100%
ReloadSwiss RS 70
<<locked>>
81%
51372
81%
**69
100%
ReloadSwiss RS 76
<<locked>>
81%
33098
52%
**15
95%
[ReloadSwiss RS 80]*
<<locked>>
84%
34011
53%
**28
90%
Rottweil R 904
<<locked>>
81%
45905
72%
**76
97%
Rottweil R 905
<<locked>>
81%
44338
69%
**79
97%
Somchem S361
<<locked>>
81%
46934
74%
**66
96%
Somchem S365
<<locked>>
81%
49792
78%
**71
100%
Somchem S385
<<locked>>
81%
45237
71%
**66
98%
Vihtavuori N150
<<locked>>
81%
52112
82%
**02
100%
Vihtavuori N165
<<locked>>
81%
38319
60%
**18
96%
[Vihtavuori N170]*
<<locked>>
94%
44556
70%
**49
90%
Vihtavuori N555
<<locked>>
81%
44556
70%
**92
100%
[Vihtavuori N560]*
<<locked>>
81%
40654
64%
**53
94%
[Vihtavuori N565]*
<<locked>>
81%
36289
57%
**38
93%
[Vihtavuori N568]*
<<locked>>
85%
35491
56%
**54
90%
[Vihtavuori N570]*
<<locked>>
91%
41336
65%
**18
90%
Winchester 6.5 StaBALL
<<locked>>
81%
52460
82%
**51
100%
Winchester StaBALL HD
<<locked>>
81%
36274
57%
**62
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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