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Load data for 7 x 66 SE v. Hofe + .284 | 160gr | Barnes MRX BT

Recommended Powder(s): ADI AR 2213, Alliant Reloder-22, IMR 7828 SSC, ReloadSwiss RS 76, Vihtavuori N560

7 x 66 SE v. Hofe + .284 | 160gr | Barnes MRX BT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 160gr | Barnes MRX BT
Manufacturer SKU:
28486
Bullet Weight:
160gr | 10.4g
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:
0.446" | 11.3mm
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_B576_C1097
Last updated:
2025-01-01
Recommended Twist Rate:
1:12 - 1:10

Load data for 116 loads in caliber 7 x 66 SE v. Hofe with .284 | 160gr | Barnes MRX BT bullet and 58 powders such as ADI AR 2213, Alliant Reloder-22, IMR 7828 SSC, ReloadSwiss RS 76, Vihtavuori N560. 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%
56985
89%
**66
100%
ADI AR 2213 👍
<<locked>>
92%
57421
90%
**12
99%
ADI AR 2217
<<locked>>
97%
49066
77%
**61
98%
ADI AR 2225
<<locked>>
97%
44121
69%
**25
100%
Accurate 3100
<<locked>>
92%
57174
90%
**00
100%
Accurate 4350
<<locked>>
83%
56782
89%
**07
100%
Accurate MAGPRO
<<locked>>
92%
57174
90%
**12
98%
Alliant Reloder-16
<<locked>>
85%
56942
89%
**49
100%
Alliant Reloder-19
<<locked>>
89%
57145
90%
**56
100%
Alliant Reloder-22 👍
<<locked>>
92%
56782
89%
**92
100%
Alliant Reloder-23
<<locked>>
93%
56956
89%
**36
100%
Alliant Reloder-25
<<locked>>
97%
55492
87%
**89
100%
Alliant Reloder-26
<<locked>>
89%
56797
89%
**15
100%
[Alliant Reloder-33]*
<<locked>>
97%
45730
72%
**61
94%
Hodgdon H1000
<<locked>>
97%
49066
77%
**61
98%
Hodgdon H4350
<<locked>>
87%
56869
89%
**00
100%
Hodgdon H4831
<<locked>>
95%
56985
89%
**46
99%
Hodgdon H4831 SC
<<locked>>
91%
57377
90%
**49
99%
Hodgdon Hybrid 100V
<<locked>>
87%
56855
89%
**71
100%
Hodgdon Retumbo
<<locked>>
97%
44121
69%
**25
100%
Hodgdon TrailBoss
<<locked>>
96%
35563
56%
**04
100%
IMR 4350
<<locked>>
85%
56840
89%
**97
100%
IMR 4831
<<locked>>
89%
56826
89%
**00
100%
IMR 4955 Enduron
<<locked>>
92%
57276
90%
**13
99%
IMR 7828 SSC 👍
<<locked>>
91%
56840
89%
**05
99%
[IMR 7977 Enduron]*
<<locked>>
97%
56971
89%
**67
93%
IMR 8133 Enduron
<<locked>>
97%
39929
63%
**26
96%
Lovex S065
<<locked>>
83%
57116
90%
**77
100%
Lovex S070
<<locked>>
84%
56898
89%
**00
100%
Lovex S071
<<locked>>
97%
55724
87%
**77
100%
Norma 204
<<locked>>
85%
56811
89%
**40
100%
Norma 217
<<locked>>
97%
40292
63%
**53
98%
Norma MRP
<<locked>>
90%
57276
90%
**18
100%
Norma URP
<<locked>>
84%
56608
89%
**07
100%
Ramshot Hunter
<<locked>>
85%
57203
90%
**43
100%
Ramshot Magnum
<<locked>>
93%
57261
90%
**79
100%
ReloadSwiss RS 14
<<locked>>
96%
36448
57%
**47
100%
ReloadSwiss RS 62
<<locked>>
84%
57232
90%
**36
100%
ReloadSwiss RS 70
<<locked>>
84%
57421
90%
**92
100%
ReloadSwiss RS 76 👍
<<locked>>
97%
55477
87%
**58
100%
ReloadSwiss RS 80
<<locked>>
97%
50546
79%
**49
98%
Rottweil R 904
<<locked>>
89%
57116
89%
**17
99%
Rottweil R 905
<<locked>>
89%
56753
89%
**46
100%
SNPE Vectan Tubal 7000
<<locked>>
84%
56782
89%
**38
100%
Shooters World Long Rifle
<<locked>>
83%
57116
90%
**77
100%
Somchem S361
<<locked>>
88%
57101
89%
**90
99%
Somchem S365
<<locked>>
86%
56884
89%
**04
100%
Somchem S385
<<locked>>
90%
57406
90%
**27
100%
Vihtavuori N150
<<locked>>
85%
56956
89%
**15
100%
Vihtavuori N165
<<locked>>
94%
56840
89%
**04
100%
[Vihtavuori N170]*
<<locked>>
97%
46021
72%
**40
92%
Vihtavuori N555
<<locked>>
90%
57421
90%
**43
100%
Vihtavuori N560 👍
<<locked>>
92%
57029
89%
**22
99%
Vihtavuori N565
<<locked>>
96%
57014
89%
**89
99%
Vihtavuori N568
<<locked>>
97%
51706
81%
**53
97%
[Vihtavuori N570]*
<<locked>>
97%
49284
77%
**36
94%
Winchester 6.5 StaBALL
<<locked>>
84%
57246
90%
**54
100%
Winchester StaBALL HD
<<locked>>
94%
57319
90%
**48
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
43482
68%
**17
98%
ADI AR 2213
<<locked>>
81%
38711
61%
**44
95%
[ADI AR 2217]*
<<locked>>
82%
29863
47%
**95
90%
[ADI AR 2225]*
<<locked>>
81%
26310
41%
**26
91%
Accurate 3100
<<locked>>
81%
39291
62%
**85
99%
Accurate 4350
<<locked>>
81%
52272
82%
**41
100%
[Accurate MAGPRO]*
<<locked>>
81%
38377
60%
**44
93%
Alliant Reloder-16
<<locked>>
81%
49922
78%
**44
100%
Alliant Reloder-19
<<locked>>
81%
43424
68%
**10
98%
Alliant Reloder-22
<<locked>>
81%
39160
61%
**61
97%
Alliant Reloder-23
<<locked>>
81%
37942
59%
**15
100%
Alliant Reloder-25
<<locked>>
81%
32793
51%
**36
98%
Alliant Reloder-26
<<locked>>
81%
42424
66%
**66
100%
[Alliant Reloder-33]*
<<locked>>
92%
37942
59%
**71
90%
[Hodgdon H1000]*
<<locked>>
82%
29863
47%
**95
90%
Hodgdon H4350
<<locked>>
81%
46963
74%
**26
99%
[Hodgdon H4831]*
<<locked>>
81%
36680
57%
**52
93%
Hodgdon H4831 SC
<<locked>>
81%
40596
64%
**38
95%
Hodgdon Hybrid 100V
<<locked>>
81%
47253
74%
**20
100%
[Hodgdon Retumbo]*
<<locked>>
81%
26310
41%
**26
91%
Hodgdon TrailBoss
<<locked>>
81%
28485
45%
**54
100%
IMR 4350
<<locked>>
81%
49429
77%
**76
99%
IMR 4831
<<locked>>
81%
45078
71%
**00
100%
IMR 4955 Enduron
<<locked>>
81%
40582
64%
**02
95%
IMR 7828 SSC
<<locked>>
81%
39842
62%
**84
95%
[IMR 7977 Enduron]*
<<locked>>
91%
47485
74%
**00
90%
[IMR 8133 Enduron]*
<<locked>>
87%
29312
46%
**41
90%
Lovex S065
<<locked>>
81%
52982
83%
**05
100%
Lovex S070
<<locked>>
81%
51503
81%
**05
100%
Lovex S071
<<locked>>
81%
33881
53%
**61
97%
Norma 204
<<locked>>
81%
49748
78%
**22
99%
[Norma 217]*
<<locked>>
83%
25338
40%
**26
90%
Norma MRP
<<locked>>
81%
41481
65%
**30
99%
Norma URP
<<locked>>
81%
51039
80%
**25
100%
Ramshot Hunter
<<locked>>
81%
49763
78%
**22
100%
Ramshot Magnum
<<locked>>
81%
36390
57%
**85
97%
ReloadSwiss RS 14
<<locked>>
81%
29269
46%
**96
100%
ReloadSwiss RS 62
<<locked>>
81%
52286
82%
**61
100%
ReloadSwiss RS 70
<<locked>>
81%
50763
80%
**84
100%
ReloadSwiss RS 76
<<locked>>
81%
30966
49%
**10
95%
[ReloadSwiss RS 80]*
<<locked>>
85%
32532
51%
**33
90%
Rottweil R 904
<<locked>>
81%
44512
70%
**94
97%
Rottweil R 905
<<locked>>
81%
42902
67%
**00
98%
SNPE Vectan Tubal 7000
<<locked>>
81%
52069
82%
**62
100%
Shooters World Long Rifle
<<locked>>
81%
52982
83%
**05
100%
Somchem S361
<<locked>>
81%
45614
71%
**90
97%
Somchem S365
<<locked>>
81%
48341
76%
**76
100%
Somchem S385
<<locked>>
81%
43294
68%
**77
99%
Vihtavuori N150
<<locked>>
81%
50705
79%
**23
100%
Vihtavuori N165
<<locked>>
81%
36854
58%
**33
97%
[Vihtavuori N170]*
<<locked>>
94%
41365
65%
**41
90%
Vihtavuori N555
<<locked>>
81%
42424
66%
**90
100%
Vihtavuori N560
<<locked>>
81%
39349
62%
**80
95%
[Vihtavuori N565]*
<<locked>>
81%
33997
53%
**26
93%
[Vihtavuori N568]*
<<locked>>
85%
33620
53%
**52
90%
[Vihtavuori N570]*
<<locked>>
90%
38653
61%
**07
90%
Winchester 6.5 StaBALL
<<locked>>
81%
51677
81%
**69
100%
Winchester StaBALL HD
<<locked>>
81%
34505
54%
**44
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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