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Load data for 7 x 66 SE v. Hofe + .284 | 140gr | Barnes X BT

Recommended Powder(s): ADI AR 2209, Alliant Reloder-22, Alliant Reloder-25, Norma MRP, Ramshot Magnum

7 x 66 SE v. Hofe + .284 | 140gr | Barnes X BT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 140gr | Barnes X BT
Manufacturer SKU:
28426
Bullet Weight:
140gr | 9.1g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.280" | 32.5mm
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:
0.621" | 15.8mm
Shank Seated Depth:
0.496" | 12.6mm
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_B566_C1097
Last updated:
2025-01-01
Recommended Twist Rate:
1:11 - 1:9

Load data for 118 loads in caliber 7 x 66 SE v. Hofe with .284 | 140gr | Barnes X BT bullet and 59 powders such as ADI AR 2209, Alliant Reloder-22, Alliant Reloder-25, Norma MRP, Ramshot Magnum. 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>>
90%
57072
89%
**23
99%
ADI AR 2213
<<locked>>
93%
56913
89%
**46
98%
ADI AR 2217
<<locked>>
97%
47921
75%
**79
97%
ADI AR 2225
<<locked>>
97%
43352
68%
**43
98%
Accurate 3100
<<locked>>
93%
57435
90%
**51
100%
Accurate 4350
<<locked>>
84%
56724
89%
**71
100%
Accurate MAGPRO
<<locked>>
93%
56797
89%
**59
97%
Alliant Reloder-16
<<locked>>
86%
56724
89%
**23
100%
Alliant Reloder-19
<<locked>>
90%
56739
89%
**14
99%
Alliant Reloder-22 👍
<<locked>>
93%
56942
89%
**50
99%
Alliant Reloder-23
<<locked>>
94%
57101
89%
**04
100%
Alliant Reloder-25 👍
<<locked>>
97%
53606
84%
**20
100%
Alliant Reloder-26
<<locked>>
90%
57392
90%
**92
100%
Hodgdon H1000
<<locked>>
97%
47921
75%
**79
97%
Hodgdon H4350
<<locked>>
88%
56840
89%
**48
99%
Hodgdon H4831
<<locked>>
96%
56927
89%
**94
98%
Hodgdon H4831 SC
<<locked>>
92%
56927
89%
**94
98%
Hodgdon Hybrid 100V
<<locked>>
88%
56884
89%
**35
100%
Hodgdon LVR
<<locked>>
83%
57334
90%
**84
100%
Hodgdon Retumbo
<<locked>>
97%
43352
68%
**43
98%
Hodgdon Superperformance
<<locked>>
84%
57305
90%
**30
100%
Hodgdon TrailBoss
<<locked>>
97%
35969
56%
**19
100%
IMR 4350
<<locked>>
86%
56797
89%
**45
100%
IMR 4831
<<locked>>
89%
57348
90%
**61
100%
IMR 4955 Enduron
<<locked>>
93%
57087
89%
**64
98%
IMR 7828 SSC
<<locked>>
92%
57145
90%
**69
98%
[IMR 8133 Enduron]*
<<locked>>
97%
39697
62%
**51
94%
Lovex S065
<<locked>>
84%
57217
90%
**31
100%
Lovex S070
<<locked>>
85%
56855
89%
**51
100%
Lovex S071
<<locked>>
97%
55216
87%
**22
100%
Norma 204
<<locked>>
86%
56478
89%
**87
99%
Norma 217
<<locked>>
97%
39943
63%
**81
97%
Norma MRP 👍
<<locked>>
91%
56768
89%
**66
100%
Norma URP
<<locked>>
85%
56869
89%
**74
100%
Ramshot Hunter
<<locked>>
86%
57043
89%
**00
100%
Ramshot Magnum 👍
<<locked>>
94%
57246
90%
**36
100%
ReloadSwiss RS 14
<<locked>>
96%
36477
57%
**59
100%
ReloadSwiss RS 62
<<locked>>
84%
57203
90%
**94
100%
ReloadSwiss RS 70
<<locked>>
85%
56826
89%
**46
100%
ReloadSwiss RS 76
<<locked>>
97%
52721
83%
**69
100%
ReloadSwiss RS 80
<<locked>>
97%
48863
77%
**58
95%
Rottweil R 904
<<locked>>
89%
56942
89%
**61
98%
Rottweil R 905
<<locked>>
90%
56652
89%
**00
99%
Rottweil R 907
<<locked>>
83%
57043
89%
**41
100%
SNPE Vectan Tubal 7000
<<locked>>
84%
56739
89%
**86
100%
Shooters World Long Rifle
<<locked>>
84%
57217
90%
**31
100%
Somchem S361
<<locked>>
88%
56971
89%
**22
97%
Somchem S365
<<locked>>
87%
57319
90%
**77
100%
Somchem S385
<<locked>>
90%
56681
89%
**61
99%
Vihtavuori N150
<<locked>>
86%
57421
90%
**86
100%
Vihtavuori N160
<<locked>>
83%
57290
90%
**45
100%
Vihtavuori N165
<<locked>>
96%
57406
90%
**68
99%
Vihtavuori N555
<<locked>>
91%
57072
89%
**07
100%
Vihtavuori N560
<<locked>>
93%
57188
90%
**82
98%
Vihtavuori N565
<<locked>>
97%
56304
88%
**33
98%
Vihtavuori N568
<<locked>>
97%
49588
78%
**64
95%
[Vihtavuori N570]*
<<locked>>
97%
48051
75%
**48
92%
Winchester 6.5 StaBALL
<<locked>>
85%
57101
89%
**12
100%
Winchester StaBALL HD
<<locked>>
96%
57261
90%
**38
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
42743
67%
**44
96%
[ADI AR 2213]*
<<locked>>
81%
38667
61%
**66
93%
[ADI AR 2217]*
<<locked>>
86%
33866
53%
**21
90%
[ADI AR 2225]*
<<locked>>
82%
28326
44%
**93
90%
Accurate 3100
<<locked>>
81%
40132
63%
**40
98%
Accurate 4350
<<locked>>
81%
51953
81%
**89
100%
[Accurate MAGPRO]*
<<locked>>
81%
38159
60%
**62
90%
Alliant Reloder-16
<<locked>>
81%
48791
76%
**86
100%
Alliant Reloder-19
<<locked>>
81%
42844
67%
**35
96%
Alliant Reloder-22
<<locked>>
81%
39218
61%
**89
95%
Alliant Reloder-23
<<locked>>
81%
37724
59%
**53
100%
Alliant Reloder-25
<<locked>>
81%
33199
52%
**57
96%
Alliant Reloder-26
<<locked>>
81%
41495
65%
**10
99%
[Hodgdon H1000]*
<<locked>>
86%
33866
53%
**21
90%
Hodgdon H4350
<<locked>>
81%
46253
72%
**58
98%
[Hodgdon H4831]*
<<locked>>
81%
36666
57%
**67
91%
[Hodgdon H4831 SC]*
<<locked>>
81%
40524
64%
**62
93%
Hodgdon Hybrid 100V
<<locked>>
81%
46354
73%
**64
100%
Hodgdon LVR
<<locked>>
81%
53171
83%
**12
100%
[Hodgdon Retumbo]*
<<locked>>
82%
28326
44%
**93
90%
Hodgdon Superperformance
<<locked>>
81%
52330
82%
**58
99%
Hodgdon TrailBoss
<<locked>>
81%
28776
45%
**62
100%
IMR 4350
<<locked>>
81%
48428
76%
**97
98%
IMR 4831
<<locked>>
81%
44744
70%
**41
100%
[IMR 4955 Enduron]*
<<locked>>
81%
40176
63%
**17
93%
[IMR 7828 SSC]*
<<locked>>
81%
39494
62%
**02
93%
[IMR 8133 Enduron]*
<<locked>>
90%
32793
51%
**51
90%
Lovex S065
<<locked>>
81%
52388
82%
**53
100%
Lovex S070
<<locked>>
81%
50981
80%
**40
99%
Lovex S071
<<locked>>
81%
35085
55%
**18
96%
Norma 204
<<locked>>
81%
48776
76%
**43
97%
[Norma 217]*
<<locked>>
85%
28572
45%
**36
90%
Norma MRP
<<locked>>
81%
40872
64%
**64
97%
Norma URP
<<locked>>
81%
50198
79%
**63
100%
Ramshot Hunter
<<locked>>
81%
48646
76%
**59
99%
Ramshot Magnum
<<locked>>
81%
36637
57%
**13
95%
ReloadSwiss RS 14
<<locked>>
81%
29356
46%
**98
100%
ReloadSwiss RS 62
<<locked>>
81%
51387
81%
**99
100%
ReloadSwiss RS 70
<<locked>>
81%
49110
77%
**12
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
31749
50%
**48
93%
[ReloadSwiss RS 80]*
<<locked>>
88%
36724
58%
**66
90%
Rottweil R 904
<<locked>>
81%
43976
69%
**15
95%
Rottweil R 905
<<locked>>
81%
42583
67%
**31
96%
Rottweil R 907
<<locked>>
81%
53824
84%
**76
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
51488
81%
**90
99%
Shooters World Long Rifle
<<locked>>
81%
52388
82%
**53
100%
Somchem S361
<<locked>>
81%
45020
71%
**02
95%
Somchem S365
<<locked>>
81%
47471
74%
**23
100%
Somchem S385
<<locked>>
81%
43685
68%
**22
97%
Vihtavuori N150
<<locked>>
81%
50154
79%
**64
100%
Vihtavuori N160
<<locked>>
81%
53316
84%
**79
100%
Vihtavuori N165
<<locked>>
81%
36825
58%
**54
95%
Vihtavuori N555
<<locked>>
81%
42482
67%
**35
100%
[Vihtavuori N560]*
<<locked>>
81%
38914
61%
**92
92%
[Vihtavuori N565]*
<<locked>>
81%
34403
54%
**67
91%
[Vihtavuori N568]*
<<locked>>
88%
37884
59%
**95
90%
[Vihtavuori N570]*
<<locked>>
94%
43888
69%
**59
90%
Winchester 6.5 StaBALL
<<locked>>
81%
50560
79%
**04
100%
Winchester StaBALL HD
<<locked>>
81%
33721
53%
**92
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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