top of page

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

Recommended Powder(s): Alliant Reloder-22, Alliant Reloder-25, IMR 7828 SSC, Norma MRP, ReloadSwiss RS 76

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

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 150gr | Barnes X BT
Manufacturer SKU:
28428
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.320" | 33.5mm
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:
0.661" | 16.8mm
Shank Seated Depth:
0.536" | 13.6mm
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_B571_C1097
Last updated:
2025-01-01
Recommended Twist Rate:
1:10 - 1:9

Load data for 104 loads in caliber 7 x 66 SE v. Hofe with .284 | 150gr | Barnes X BT bullet and 52 powders such as Alliant Reloder-22, 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".

  • 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>>
89%
56724
89%
**18
99%
ADI AR 2213
<<locked>>
92%
57174
90%
**68
99%
ADI AR 2217
<<locked>>
97%
49734
78%
**30
98%
ADI AR 2225
<<locked>>
97%
45136
71%
**00
99%
Accurate 3100
<<locked>>
91%
57334
90%
**66
100%
Accurate MAGPRO
<<locked>>
92%
57305
90%
**71
97%
Alliant Reloder-16
<<locked>>
85%
57072
89%
**22
100%
Alliant Reloder-19
<<locked>>
89%
56985
89%
**22
99%
Alliant Reloder-22 👍
<<locked>>
92%
57217
90%
**61
100%
Alliant Reloder-23
<<locked>>
93%
57159
90%
**09
100%
Alliant Reloder-25 👍
<<locked>>
97%
56275
88%
**68
100%
Alliant Reloder-26
<<locked>>
89%
57000
89%
**87
100%
[Alliant Reloder-33]*
<<locked>>
97%
46557
73%
**27
93%
Hodgdon H1000
<<locked>>
97%
49734
78%
**30
98%
Hodgdon H4350
<<locked>>
87%
57014
89%
**66
100%
Hodgdon H4831
<<locked>>
94%
57188
90%
**09
98%
Hodgdon H4831 SC
<<locked>>
91%
57377
90%
**05
98%
Hodgdon Hybrid 100V
<<locked>>
86%
57261
90%
**36
100%
Hodgdon Retumbo
<<locked>>
97%
45136
71%
**00
99%
Hodgdon TrailBoss
<<locked>>
97%
36187
57%
**60
100%
IMR 4350
<<locked>>
85%
56956
89%
**63
100%
IMR 4831
<<locked>>
88%
57014
89%
**59
100%
IMR 4955 Enduron
<<locked>>
92%
57203
90%
**76
98%
IMR 7828 SSC 👍
<<locked>>
91%
57043
89%
**74
99%
[IMR 7977 Enduron]*
<<locked>>
97%
57188
90%
**17
92%
IMR 8133 Enduron
<<locked>>
97%
41394
65%
**08
96%
Lovex S070
<<locked>>
84%
57145
90%
**53
100%
Lovex S071
<<locked>>
96%
57334
90%
**66
100%
Norma 204
<<locked>>
85%
57000
89%
**99
99%
Norma 217
<<locked>>
97%
41785
65%
**35
98%
Norma MRP 👍
<<locked>>
90%
57406
90%
**84
100%
Norma URP
<<locked>>
84%
56956
89%
**82
100%
Ramshot Hunter
<<locked>>
85%
56652
89%
**05
100%
Ramshot Magnum
<<locked>>
92%
56695
89%
**38
100%
ReloadSwiss RS 14
<<locked>>
96%
36767
58%
**00
100%
ReloadSwiss RS 70
<<locked>>
84%
56913
89%
**58
100%
ReloadSwiss RS 76 👍
<<locked>>
97%
55521
87%
**27
100%
ReloadSwiss RS 80
<<locked>>
97%
51213
80%
**18
97%
Rottweil R 904
<<locked>>
88%
56985
89%
**79
99%
Rottweil R 905
<<locked>>
89%
57029
89%
**22
99%
Somchem S361
<<locked>>
87%
57203
90%
**49
98%
Somchem S365
<<locked>>
86%
57203
90%
**76
100%
Somchem S385
<<locked>>
89%
56797
89%
**79
100%
Vihtavuori N150
<<locked>>
84%
56695
89%
**71
100%
Vihtavuori N165
<<locked>>
94%
57363
90%
**72
100%
Vihtavuori N555
<<locked>>
89%
56927
89%
**05
100%
Vihtavuori N560
<<locked>>
92%
57203
90%
**87
98%
Vihtavuori N565
<<locked>>
96%
57406
90%
**61
99%
Vihtavuori N568
<<locked>>
97%
52634
82%
**28
97%
[Vihtavuori N570]*
<<locked>>
97%
50111
79%
**12
94%
Winchester 6.5 StaBALL
<<locked>>
84%
56971
89%
**17
100%
Winchester StaBALL HD
<<locked>>
94%
56333
88%
**17
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
44614
70%
**95
97%
[ADI AR 2213]*
<<locked>>
81%
40219
63%
**23
94%
[ADI AR 2217]*
<<locked>>
82%
31734
50%
**93
90%
[ADI AR 2225]*
<<locked>>
81%
28616
45%
**44
92%
Accurate 3100
<<locked>>
81%
41887
66%
**97
99%
[Accurate MAGPRO]*
<<locked>>
81%
40074
63%
**40
92%
Alliant Reloder-16
<<locked>>
81%
50981
80%
**33
100%
Alliant Reloder-19
<<locked>>
81%
44715
70%
**95
97%
Alliant Reloder-22
<<locked>>
81%
40814
64%
**49
96%
Alliant Reloder-23
<<locked>>
81%
39639
62%
**10
100%
Alliant Reloder-25
<<locked>>
81%
34766
54%
**28
98%
Alliant Reloder-26
<<locked>>
81%
43874
69%
**67
100%
[Alliant Reloder-33]*
<<locked>>
92%
40379
63%
**82
90%
[Hodgdon H1000]*
<<locked>>
82%
31734
50%
**93
90%
Hodgdon H4350
<<locked>>
81%
48022
75%
**08
99%
[Hodgdon H4831]*
<<locked>>
81%
38247
60%
**31
93%
Hodgdon H4831 SC
<<locked>>
81%
41989
66%
**20
95%
Hodgdon Hybrid 100V
<<locked>>
81%
48385
76%
**08
100%
[Hodgdon Retumbo]*
<<locked>>
81%
28616
45%
**44
92%
Hodgdon TrailBoss
<<locked>>
81%
28921
45%
**03
100%
IMR 4350
<<locked>>
81%
50314
79%
**48
99%
IMR 4831
<<locked>>
81%
46630
73%
**89
100%
IMR 4955 Enduron
<<locked>>
81%
41713
65%
**74
95%
IMR 7828 SSC
<<locked>>
81%
41379
65%
**62
95%
[IMR 7977 Enduron]*
<<locked>>
93%
51053
80%
**12
90%
[IMR 8133 Enduron]*
<<locked>>
86%
30690
48%
**23
90%
Lovex S070
<<locked>>
81%
52924
83%
**87
100%
Lovex S071
<<locked>>
81%
36680
57%
**79
98%
Norma 204
<<locked>>
81%
50720
79%
**97
98%
[Norma 217]*
<<locked>>
81%
26818
42%
**11
90%
Norma MRP
<<locked>>
81%
42917
67%
**22
98%
Norma URP
<<locked>>
81%
52330
82%
**07
100%
Ramshot Hunter
<<locked>>
81%
50836
80%
**04
100%
Ramshot Magnum
<<locked>>
81%
38305
60%
**87
97%
ReloadSwiss RS 14
<<locked>>
81%
29544
46%
**39
100%
ReloadSwiss RS 70
<<locked>>
81%
51184
80%
**63
100%
ReloadSwiss RS 76
<<locked>>
81%
33243
52%
**28
95%
[ReloadSwiss RS 80]*
<<locked>>
85%
34374
54%
**31
90%
Rottweil R 904
<<locked>>
81%
45745
72%
**69
97%
Rottweil R 905
<<locked>>
81%
44527
70%
**92
98%
Somchem S361
<<locked>>
81%
46760
73%
**59
96%
Somchem S365
<<locked>>
81%
49806
78%
**67
100%
Somchem S385
<<locked>>
81%
45049
71%
**69
98%
Vihtavuori N150
<<locked>>
81%
51938
81%
**08
100%
Vihtavuori N165
<<locked>>
81%
38522
60%
**18
96%
Vihtavuori N555
<<locked>>
81%
44556
70%
**89
100%
[Vihtavuori N560]*
<<locked>>
81%
40857
64%
**66
94%
[Vihtavuori N565]*
<<locked>>
81%
36289
57%
**35
93%
[Vihtavuori N568]*
<<locked>>
85%
35317
55%
**48
90%
[Vihtavuori N570]*
<<locked>>
91%
41495
65%
**28
90%
Winchester 6.5 StaBALL
<<locked>>
81%
52272
82%
**48
100%
Winchester StaBALL HD
<<locked>>
81%
36042
56%
**53
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