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Load data for 7 x 66 SE v. Hofe + .284 | 150gr | Hornady GMX

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Norma MRP, Rottweil R 905, Somchem S385

7 x 66 SE v. Hofe + .284 | 150gr | Hornady GMX

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 150gr | Hornady GMX
Manufacturer SKU:
2828
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.453" | 36.9mm
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:
0.794" | 20.2mm
Shank Seated Depth:
0.673" | 17.1mm
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_B2630_C1097
Last updated:
2025-01-01
Recommended Twist Rate:
1:9 - 1:8

Load data for 128 loads in caliber 7 x 66 SE v. Hofe with .284 | 150gr | Hornady GMX bullet and 64 powders such as ADI AR 2209, Alliant Reloder-19, Norma MRP, Rottweil R 905, Somchem S385. 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>>
92%
57159
90%
**38
99%
ADI AR 2213
<<locked>>
95%
56898
89%
**74
99%
ADI AR 2217
<<locked>>
97%
43990
69%
**22
96%
ADI AR 2225
<<locked>>
97%
39653
62%
**79
98%
Accurate 3100
<<locked>>
95%
56782
89%
**76
100%
Accurate 4350
<<locked>>
86%
56739
89%
**86
100%
Accurate MAGPRO
<<locked>>
95%
57290
90%
**87
97%
Alliant Reloder-16
<<locked>>
88%
57101
89%
**35
100%
Alliant Reloder-17
<<locked>>
83%
57406
90%
**35
100%
Alliant Reloder-19 👍
<<locked>>
92%
57319
90%
**41
99%
Alliant Reloder-22
<<locked>>
95%
56739
89%
**61
99%
Alliant Reloder-23
<<locked>>
96%
56478
89%
**22
100%
Alliant Reloder-25
<<locked>>
97%
50169
79%
**86
100%
Alliant Reloder-26
<<locked>>
92%
57159
90%
**07
100%
Hodgdon H1000
<<locked>>
97%
43990
69%
**22
96%
Hodgdon H4350
<<locked>>
90%
57145
90%
**79
100%
Hodgdon H4831
<<locked>>
97%
55927
88%
**92
98%
Hodgdon H4831 SC
<<locked>>
94%
57145
90%
**12
98%
Hodgdon Hybrid 100V
<<locked>>
90%
56768
89%
**46
100%
Hodgdon LVR
<<locked>>
85%
57246
90%
**02
100%
Hodgdon Retumbo
<<locked>>
97%
39653
62%
**79
98%
Hodgdon Superperformance
<<locked>>
85%
56898
89%
**54
100%
Hodgdon TrailBoss
<<locked>>
97%
35621
56%
**47
100%
IMR 4166 Enduron
<<locked>>
83%
56797
89%
**33
100%
IMR 4350
<<locked>>
88%
57246
90%
**79
100%
IMR 4451 Enduron
<<locked>>
84%
57377
90%
**66
100%
IMR 4831
<<locked>>
91%
57072
89%
**72
100%
IMR 4955 Enduron
<<locked>>
95%
57043
89%
**79
98%
IMR 7828 SSC
<<locked>>
94%
56536
89%
**71
99%
[IMR 8133 Enduron]*
<<locked>>
97%
35491
56%
**80
93%
Lovex S065
<<locked>>
86%
56710
89%
**46
100%
Lovex S070
<<locked>>
87%
57319
90%
**79
100%
Lovex S071
<<locked>>
97%
51010
80%
**81
100%
Norma 204
<<locked>>
88%
57058
89%
**15
99%
Norma 217
<<locked>>
97%
35375
55%
**97
95%
Norma MRP 👍
<<locked>>
93%
56739
89%
**94
100%
Norma URP
<<locked>>
87%
56666
89%
**95
100%
Ramshot Hunter
<<locked>>
88%
57392
90%
**22
100%
Ramshot Magnum
<<locked>>
96%
57130
90%
**48
100%
ReloadSwiss RS 14
<<locked>>
97%
36376
57%
**90
100%
ReloadSwiss RS 60
<<locked>>
84%
57130
90%
**58
100%
ReloadSwiss RS 62
<<locked>>
86%
57392
90%
**22
100%
ReloadSwiss RS 70
<<locked>>
87%
57101
89%
**71
100%
ReloadSwiss RS 76
<<locked>>
97%
48950
77%
**31
100%
ReloadSwiss RS 80
<<locked>>
97%
44237
69%
**94
95%
Rottweil R 904
<<locked>>
91%
56811
89%
**86
99%
Rottweil R 905 👍
<<locked>>
92%
56971
89%
**28
99%
Rottweil R 907
<<locked>>
85%
56898
89%
**49
100%
SNPE Vectan Tubal 7000
<<locked>>
86%
57392
90%
**17
100%
Shooters World Long Rifle
<<locked>>
86%
56710
89%
**46
100%
Somchem S361
<<locked>>
90%
57014
89%
**53
98%
Somchem S365
<<locked>>
89%
57188
90%
**02
100%
Somchem S385 👍
<<locked>>
92%
56942
89%
**95
100%
Vihtavuori N135
<<locked>>
84%
57319
90%
**44
100%
Vihtavuori N150
<<locked>>
87%
56956
89%
**90
100%
Vihtavuori N160
<<locked>>
85%
56681
89%
**56
100%
Vihtavuori N165
<<locked>>
97%
55535
87%
**53
99%
Vihtavuori N550
<<locked>>
85%
57203
90%
**05
100%
Vihtavuori N555
<<locked>>
93%
57217
90%
**22
100%
Vihtavuori N560
<<locked>>
95%
56811
89%
**91
98%
Vihtavuori N565
<<locked>>
97%
52069
82%
**82
98%
Vihtavuori N568
<<locked>>
97%
45818
72%
**13
95%
Winchester 6.5 StaBALL
<<locked>>
86%
56797
89%
**23
100%
Winchester StaBALL HD
<<locked>>
97%
55564
87%
**20
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
39755
62%
**07
96%
[ADI AR 2213]*
<<locked>>
81%
35476
56%
**25
92%
[ADI AR 2217]*
<<locked>>
87%
32503
51%
**30
90%
[ADI AR 2225]*
<<locked>>
85%
27311
43%
**11
90%
Accurate 3100
<<locked>>
81%
35694
56%
**79
97%
Accurate 4350
<<locked>>
81%
47877
75%
**41
100%
[Accurate MAGPRO]*
<<locked>>
82%
36245
57%
**61
90%
Alliant Reloder-16
<<locked>>
81%
45585
71%
**48
100%
Alliant Reloder-17
<<locked>>
81%
52939
83%
**76
100%
Alliant Reloder-19
<<locked>>
81%
39856
62%
**07
96%
[Alliant Reloder-22]*
<<locked>>
81%
35375
55%
**31
94%
Alliant Reloder-23
<<locked>>
81%
34026
53%
**02
99%
Alliant Reloder-25
<<locked>>
81%
29747
47%
**07
95%
Alliant Reloder-26
<<locked>>
81%
37420
59%
**43
99%
[Hodgdon H1000]*
<<locked>>
87%
32503
51%
**30
90%
Hodgdon H4350
<<locked>>
81%
43381
68%
**26
98%
[Hodgdon H4831]*
<<locked>>
81%
33475
52%
**30
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
37072
58%
**21
92%
Hodgdon Hybrid 100V
<<locked>>
81%
43105
68%
**26
100%
Hodgdon LVR
<<locked>>
81%
50038
78%
**84
100%
[Hodgdon Retumbo]*
<<locked>>
85%
27311
43%
**11
90%
Hodgdon Superperformance
<<locked>>
81%
49023
77%
**17
99%
Hodgdon TrailBoss
<<locked>>
81%
28195
44%
**86
100%
IMR 4166 Enduron
<<locked>>
81%
53084
83%
**67
100%
IMR 4350
<<locked>>
81%
45730
72%
**72
98%
IMR 4451 Enduron
<<locked>>
81%
51706
81%
**67
99%
IMR 4831
<<locked>>
81%
41104
64%
**97
100%
[IMR 4955 Enduron]*
<<locked>>
81%
37434
59%
**92
93%
[IMR 7828 SSC]*
<<locked>>
81%
36143
57%
**48
92%
[IMR 8133 Enduron]*
<<locked>>
93%
31734
50%
**66
90%
Lovex S065
<<locked>>
81%
49095
77%
**18
100%
Lovex S070
<<locked>>
81%
47616
75%
**15
99%
Lovex S071
<<locked>>
81%
30705
48%
**44
95%
Norma 204
<<locked>>
81%
45948
72%
**08
97%
[Norma 217]*
<<locked>>
89%
27296
43%
**51
90%
Norma MRP
<<locked>>
81%
37159
58%
**03
96%
Norma URP
<<locked>>
81%
46920
74%
**28
100%
Ramshot Hunter
<<locked>>
81%
45600
71%
**22
99%
[Ramshot Magnum]*
<<locked>>
81%
32938
52%
**62
94%
ReloadSwiss RS 14
<<locked>>
81%
28950
45%
**29
100%
ReloadSwiss RS 60
<<locked>>
81%
50908
80%
**63
100%
ReloadSwiss RS 62
<<locked>>
81%
47398
74%
**61
100%
ReloadSwiss RS 70
<<locked>>
81%
45701
72%
**71
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
28007
44%
**61
90%
[ReloadSwiss RS 80]*
<<locked>>
90%
34838
55%
**61
90%
Rottweil R 904
<<locked>>
81%
41046
64%
**80
95%
Rottweil R 905
<<locked>>
81%
39146
61%
**90
96%
Rottweil R 907
<<locked>>
81%
50444
79%
**41
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
48182
76%
**62
99%
Shooters World Long Rifle
<<locked>>
81%
49095
77%
**18
100%
[Somchem S361]*
<<locked>>
81%
41785
65%
**74
94%
Somchem S365
<<locked>>
81%
43758
69%
**85
100%
Somchem S385
<<locked>>
81%
39552
62%
**71
97%
Vihtavuori N135
<<locked>>
81%
52808
83%
**82
100%
Vihtavuori N150
<<locked>>
81%
47079
74%
**40
100%
Vihtavuori N160
<<locked>>
81%
50111
79%
**54
100%
[Vihtavuori N165]*
<<locked>>
81%
33388
52%
**13
94%
Vihtavuori N550
<<locked>>
81%
50633
79%
**00
100%
Vihtavuori N555
<<locked>>
81%
38334
60%
**84
99%
[Vihtavuori N560]*
<<locked>>
81%
35462
56%
**44
92%
[Vihtavuori N565]*
<<locked>>
82%
31734
50%
**36
90%
[Vihtavuori N568]*
<<locked>>
90%
36230
57%
**90
90%
Winchester 6.5 StaBALL
<<locked>>
81%
47210
74%
**79
100%
Winchester StaBALL HD
<<locked>>
81%
29863
47%
**21
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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