top of page

Load data for 7 x 66 SE v. Hofe + .284 | 120gr | Merlin Virtus

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

7 x 66 SE v. Hofe + .284 | 120gr | Merlin Virtus

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 120gr | Merlin Virtus
Manufacturer SKU:
Merlin-0.284-120
Bullet Weight:
120gr | 7.8g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.150" | 29.2mm
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:
0.491" | 12.5mm
Shank Seated Depth:
0.368" | 9.4mm
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_B10756_C1097
Last updated:
2025-01-01
Recommended Twist Rate:
1:12 - 1:10

Load data for 144 loads in caliber 7 x 66 SE v. Hofe with .284 | 120gr | Merlin Virtus bullet and 72 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".

  • 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 2208
<<locked>>
85%
57348
90%
**68
100%
ADI AR 2209
<<locked>>
96%
56826
89%
**30
98%
ADI AR 2213
<<locked>>
97%
53330
84%
**91
96%
Accurate 2700
<<locked>>
86%
56666
89%
**02
98%
Accurate 3100
<<locked>>
97%
51880
81%
**92
99%
Accurate 4064
<<locked>>
83%
56869
89%
**15
100%
Accurate 4350 👍
<<locked>>
90%
56942
89%
**07
100%
[Accurate MAGPRO]*
<<locked>>
97%
51808
81%
**68
93%
Alliant Reloder- TS 15.5
<<locked>>
85%
57348
90%
**68
100%
Alliant Reloder-16 👍
<<locked>>
92%
56797
89%
**60
100%
Alliant Reloder-17
<<locked>>
87%
57348
90%
**66
100%
Alliant Reloder-19
<<locked>>
96%
57363
90%
**37
98%
Alliant Reloder-22
<<locked>>
97%
52591
82%
**94
97%
Alliant Reloder-23
<<locked>>
97%
49081
77%
**09
100%
Alliant Reloder-25
<<locked>>
97%
42728
67%
**20
98%
Alliant Reloder-26
<<locked>>
97%
57406
90%
**35
100%
Hodgdon H380
<<locked>>
84%
57130
90%
**78
100%
Hodgdon H414
<<locked>>
87%
57058
89%
**30
99%
Hodgdon H4350
<<locked>>
93%
56797
89%
**64
99%
[Hodgdon H4831]*
<<locked>>
97%
48573
76%
**36
94%
Hodgdon H4831 SC
<<locked>>
97%
55999
88%
**78
96%
Hodgdon Hybrid 100V
<<locked>>
94%
56753
89%
**71
100%
Hodgdon LVR
<<locked>>
89%
56971
89%
**17
100%
Hodgdon Superperformance
<<locked>>
89%
56869
89%
**56
99%
Hodgdon VARGET
<<locked>>
86%
57116
89%
**55
100%
Hodgdon TrailBoss
<<locked>>
96%
34548
54%
**60
100%
IMR 4064
<<locked>>
86%
57058
89%
**51
100%
IMR 4166 Enduron
<<locked>>
87%
57334
90%
**41
99%
IMR 4350
<<locked>>
92%
56811
89%
**64
99%
IMR 4451 Enduron
<<locked>>
88%
57290
90%
**74
99%
IMR 4831
<<locked>>
96%
57334
90%
**01
100%
IMR 4955 Enduron
<<locked>>
97%
54157
85%
**15
96%
IMR 7828 SSC
<<locked>>
97%
54940
86%
**33
96%
Lovex S062
<<locked>>
83%
56869
89%
**28
100%
Lovex S065
<<locked>>
90%
57435
90%
**58
100%
Lovex S070
<<locked>>
91%
56753
89%
**68
99%
Lovex S071
<<locked>>
97%
43207
68%
**25
97%
Norma 204
<<locked>>
91%
56565
89%
**97
98%
Norma MRP
<<locked>>
97%
55811
87%
**79
99%
Norma URP
<<locked>>
91%
56695
89%
**07
100%
Ramshot Hunter 👍
<<locked>>
92%
57116
90%
**33
100%
Ramshot Magnum
<<locked>>
97%
51213
80%
**38
98%
ReloadSwiss RS 14
<<locked>>
96%
35099
55%
**03
100%
ReloadSwiss RS 50
<<locked>>
84%
57043
89%
**58
99%
ReloadSwiss RS 60
<<locked>>
88%
56869
89%
**86
100%
ReloadSwiss RS 62 👍
<<locked>>
90%
57058
89%
**27
100%
ReloadSwiss RS 70 👍
<<locked>>
91%
56710
89%
**73
100%
ReloadSwiss RS 76
<<locked>>
97%
41684
65%
**23
96%
Rottweil R 903
<<locked>>
86%
57159
90%
**55
100%
Rottweil R 904
<<locked>>
95%
56927
89%
**84
97%
Rottweil R 905
<<locked>>
96%
57029
89%
**33
98%
Rottweil R 907
<<locked>>
89%
56971
89%
**61
99%
SNPE Vectan SP 11
<<locked>>
85%
57348
90%
**97
100%
SNPE Vectan Tubal 5000
<<locked>>
86%
56840
89%
**30
100%
SNPE Vectan Tubal 7000
<<locked>>
90%
56724
89%
**99
99%
Shooters World Long Rifle
<<locked>>
90%
57435
90%
**58
100%
Shooters World Precision
<<locked>>
83%
56869
89%
**28
100%
Somchem S355
<<locked>>
86%
56898
89%
**55
100%
Somchem S361
<<locked>>
94%
57145
90%
**38
96%
Somchem S365
<<locked>>
93%
56942
89%
**17
100%
Somchem S385
<<locked>>
96%
57130
90%
**97
99%
Vihtavuori N135
<<locked>>
87%
56927
89%
**69
100%
Vihtavuori N150
<<locked>>
91%
56710
89%
**09
100%
Vihtavuori N160
<<locked>>
89%
57334
90%
**78
100%
Vihtavuori N165
<<locked>>
97%
48849
77%
**27
97%
Vihtavuori N550
<<locked>>
88%
56710
89%
**10
100%
Vihtavuori N555
<<locked>>
97%
54824
86%
**04
100%
Vihtavuori N560
<<locked>>
97%
52417
82%
**07
95%
[Vihtavuori N565]*
<<locked>>
97%
44759
70%
**20
93%
Winchester 6.5 StaBALL
<<locked>>
90%
57290
90%
**45
100%
Winchester 760
<<locked>>
87%
57058
89%
**30
99%
Winchester StaBALL HD
<<locked>>
97%
44643
70%
**68
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
49850
78%
**23
100%
[ADI AR 2209]*
<<locked>>
81%
34519
54%
**28
90%
[ADI AR 2213]*
<<locked>>
88%
38566
60%
**56
90%
Accurate 2700
<<locked>>
81%
48109
75%
**45
97%
[Accurate 3100]*
<<locked>>
81%
29617
46%
**61
91%
Accurate 4064
<<locked>>
81%
52707
83%
**50
100%
Accurate 4350
<<locked>>
81%
40596
64%
**86
98%
[Accurate MAGPRO]*
<<locked>>
92%
43352
68%
**84
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
50401
79%
**56
100%
Alliant Reloder-16
<<locked>>
81%
39363
62%
**99
98%
Alliant Reloder-17
<<locked>>
81%
45353
71%
**46
100%
[Alliant Reloder-19]*
<<locked>>
81%
34258
54%
**25
90%
[Alliant Reloder-22]*
<<locked>>
85%
33968
53%
**48
90%
Alliant Reloder-23
<<locked>>
81%
28674
45%
**00
95%
[Alliant Reloder-25]*
<<locked>>
85%
28427
45%
**87
90%
[Alliant Reloder-26]*
<<locked>>
81%
31038
49%
**25
94%
Hodgdon H380
<<locked>>
81%
51314
80%
**86
100%
Hodgdon H414
<<locked>>
81%
46862
73%
**30
97%
[Hodgdon H4350]*
<<locked>>
81%
38072
60%
**74
94%
[Hodgdon H4831]*
<<locked>>
91%
39624
62%
**33
90%
[Hodgdon H4831 SC]*
<<locked>>
87%
39436
62%
**33
90%
Hodgdon Hybrid 100V
<<locked>>
81%
36999
58%
**87
99%
Hodgdon LVR
<<locked>>
81%
43526
68%
**51
98%
Hodgdon Superperformance
<<locked>>
81%
42163
66%
**54
95%
Hodgdon VARGET
<<locked>>
81%
49429
77%
**20
100%
Hodgdon TrailBoss
<<locked>>
81%
27572
43%
**90
100%
IMR 4064
<<locked>>
81%
48704
76%
**94
100%
IMR 4166 Enduron
<<locked>>
81%
48037
75%
**71
97%
IMR 4350
<<locked>>
81%
40132
63%
**33
95%
IMR 4451 Enduron
<<locked>>
81%
46151
72%
**58
97%
IMR 4831
<<locked>>
81%
35230
55%
**44
97%
[IMR 4955 Enduron]*
<<locked>>
86%
38348
60%
**74
90%
[IMR 7828 SSC]*
<<locked>>
87%
38551
60%
**72
90%
Lovex S062
<<locked>>
81%
52634
82%
**63
100%
Lovex S065
<<locked>>
81%
43265
68%
**86
98%
Lovex S070
<<locked>>
81%
41582
65%
**59
96%
[Lovex S071]*
<<locked>>
84%
27514
43%
**98
90%
[Norma 204]*
<<locked>>
81%
39943
63%
**63
93%
[Norma MRP]*
<<locked>>
81%
31256
49%
**85
90%
Norma URP
<<locked>>
81%
40480
63%
**82
98%
Ramshot Hunter
<<locked>>
81%
39465
62%
**66
96%
[Ramshot Magnum]*
<<locked>>
85%
32503
51%
**89
90%
ReloadSwiss RS 14
<<locked>>
81%
28152
44%
**36
100%
ReloadSwiss RS 50
<<locked>>
81%
51474
81%
**63
99%
ReloadSwiss RS 60
<<locked>>
81%
43758
69%
**46
100%
ReloadSwiss RS 62
<<locked>>
81%
40741
64%
**12
98%
ReloadSwiss RS 70
<<locked>>
81%
39508
62%
**22
97%
[ReloadSwiss RS 76]*
<<locked>>
91%
33243
52%
**64
90%
Rottweil R 903
<<locked>>
81%
48153
75%
**00
100%
[Rottweil R 904]*
<<locked>>
82%
37173
58%
**58
90%
[Rottweil R 905]*
<<locked>>
81%
33678
53%
**02
90%
Rottweil R 907
<<locked>>
81%
44425
70%
**18
96%
SNPE Vectan SP 11
<<locked>>
81%
49705
78%
**63
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
49081
77%
**02
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
42540
67%
**27
96%
Shooters World Long Rifle
<<locked>>
81%
43265
68%
**86
98%
Shooters World Precision
<<locked>>
81%
52634
82%
**63
100%
Somchem S355
<<locked>>
81%
48153
75%
**00
100%
[Somchem S361]*
<<locked>>
83%
39001
61%
**58
90%
Somchem S365
<<locked>>
81%
36782
58%
**27
99%
[Somchem S385]*
<<locked>>
81%
33953
53%
**82
92%
Vihtavuori N135
<<locked>>
81%
46557
73%
**02
100%
Vihtavuori N150
<<locked>>
81%
41191
65%
**23
100%
Vihtavuori N160
<<locked>>
81%
43816
69%
**22
99%
[Vihtavuori N165]*
<<locked>>
85%
32053
50%
**23
90%
Vihtavuori N550
<<locked>>
81%
44324
69%
**68
99%
Vihtavuori N555
<<locked>>
81%
31879
50%
**92
96%
[Vihtavuori N560]*
<<locked>>
88%
39015
61%
**99
90%
[Vihtavuori N565]*
<<locked>>
92%
37826
59%
**56
90%
Winchester 6.5 StaBALL
<<locked>>
81%
41307
65%
**56
100%
Winchester 760
<<locked>>
81%
46862
73%
**30
97%
[Winchester StaBALL HD]*
<<locked>>
81%
22974
36%
**51
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

bottom of page