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Load data for 7 x 66 SE v. Hofe + .284 | 133gr | MRR Green Hunting

Recommended Powder(s): Alliant Reloder-26, IMR 4831, Ramshot Hunter, Vihtavuori N555, Winchester StaBALL HD

7 x 66 SE v. Hofe + .284 | 133gr | MRR Green Hunting

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 133gr | MRR Green Hunting
Manufacturer SKU:
A2259
Bullet Weight:
133gr | 8.6g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.190" | 30.2mm
Caliber:
7 x 66 SE v. Hofe load data
Case Length (l3):
2.598" | 66.0mm
Cartridge Length (C.O.L.):
3.016" | 76.6mm
Seated Depth:
0.772" | 19.6mm
Shank Seated Depth:
0.642" | 16.3mm
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_B10788_C1097
Last updated:
2025-02-02
Recommended Twist Rate:
1:12 - 1:10

Load data for 142 loads in caliber 7 x 66 SE v. Hofe with .284 | 133gr | MRR Green Hunting bullet and 71 powders such as Alliant Reloder-26, IMR 4831, Ramshot Hunter, Vihtavuori N555, Winchester StaBALL HD. 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 2208
<<locked>>
84%
56840
89%
**97
100%
ADI AR 2209
<<locked>>
95%
57174
90%
**92
98%
ADI AR 2213
<<locked>>
97%
54810
86%
**92
97%
[ADI AR 2217]*
<<locked>>
97%
40263
63%
**67
92%
[ADI AR 2225]*
<<locked>>
97%
35868
56%
**02
94%
Accurate 2700
<<locked>>
85%
56898
89%
**54
99%
Accurate 3100
<<locked>>
97%
54636
86%
**97
100%
Accurate 4350
<<locked>>
89%
57276
90%
**59
100%
Accurate MAGPRO
<<locked>>
97%
54534
85%
**92
95%
Alliant Reloder- TS 15.5
<<locked>>
84%
57261
90%
**14
100%
Alliant Reloder-16
<<locked>>
91%
57130
90%
**05
100%
Alliant Reloder-17
<<locked>>
86%
57334
90%
**09
100%
Alliant Reloder-19
<<locked>>
95%
57276
90%
**92
99%
Alliant Reloder-22
<<locked>>
97%
54346
85%
**82
98%
Alliant Reloder-23
<<locked>>
97%
51764
81%
**14
100%
Alliant Reloder-25
<<locked>>
97%
44875
70%
**38
99%
Alliant Reloder-26 👍
<<locked>>
95%
56971
89%
**87
100%
[Hodgdon H1000]*
<<locked>>
97%
40263
63%
**67
92%
Hodgdon H414
<<locked>>
85%
56855
89%
**76
99%
Hodgdon H4350
<<locked>>
92%
57130
90%
**36
99%
Hodgdon H4831
<<locked>>
97%
50807
80%
**58
95%
Hodgdon H4831 SC
<<locked>>
96%
56753
89%
**56
97%
Hodgdon Hybrid 100V
<<locked>>
92%
56507
89%
**07
100%
Hodgdon LVR
<<locked>>
88%
56884
89%
**63
100%
[Hodgdon Retumbo]*
<<locked>>
97%
35868
56%
**02
94%
Hodgdon Superperformance
<<locked>>
88%
57000
89%
**05
99%
Hodgdon VARGET
<<locked>>
85%
57217
90%
**10
100%
Hodgdon TrailBoss
<<locked>>
97%
35259
55%
**52
100%
IMR 4064
<<locked>>
85%
56811
89%
**87
100%
IMR 4166 Enduron
<<locked>>
85%
56826
89%
**87
99%
IMR 4350
<<locked>>
91%
56884
89%
**23
99%
IMR 4451 Enduron
<<locked>>
87%
57058
89%
**20
99%
IMR 4831 👍
<<locked>>
94%
57232
90%
**43
100%
IMR 4955 Enduron
<<locked>>
97%
56362
88%
**14
97%
IMR 7828 SSC
<<locked>>
97%
56623
89%
**28
97%
Lovex S065
<<locked>>
88%
56942
89%
**00
100%
Lovex S070
<<locked>>
89%
56942
89%
**23
99%
Lovex S071
<<locked>>
97%
45861
72%
**43
99%
Norma 204
<<locked>>
90%
57261
90%
**69
98%
Norma MRP
<<locked>>
96%
56739
89%
**58
99%
Norma URP
<<locked>>
90%
56753
89%
**56
100%
Ramshot Hunter 👍
<<locked>>
91%
57363
90%
**82
100%
Ramshot Magnum
<<locked>>
97%
53809
84%
**53
99%
ReloadSwiss RS 14
<<locked>>
97%
35926
56%
**95
100%
ReloadSwiss RS 60
<<locked>>
87%
56840
89%
**32
100%
ReloadSwiss RS 62
<<locked>>
89%
56637
89%
**69
100%
ReloadSwiss RS 70
<<locked>>
90%
57130
90%
**45
100%
ReloadSwiss RS 76
<<locked>>
97%
43903
69%
**48
98%
Rottweil R 903
<<locked>>
85%
56956
89%
**07
100%
Rottweil R 904
<<locked>>
94%
56623
89%
**36
97%
Rottweil R 905
<<locked>>
95%
56855
89%
**82
99%
Rottweil R 907
<<locked>>
87%
56971
89%
**14
99%
SNPE Vectan SP 11
<<locked>>
84%
56768
89%
**36
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
56768
89%
**72
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
56753
89%
**61
99%
Shooters World Long Rifle
<<locked>>
88%
56942
89%
**00
100%
Somchem S355
<<locked>>
85%
56971
89%
**07
100%
Somchem S361
<<locked>>
93%
56695
89%
**94
97%
Somchem S365
<<locked>>
92%
56826
89%
**63
100%
Somchem S385
<<locked>>
95%
57290
90%
**56
99%
Vihtavuori N135
<<locked>>
86%
57043
89%
**09
100%
Vihtavuori N150
<<locked>>
90%
56724
89%
**51
100%
Vihtavuori N160
<<locked>>
87%
56942
89%
**27
100%
Vihtavuori N165
<<locked>>
97%
51024
80%
**25
98%
Vihtavuori N550
<<locked>>
87%
56797
89%
**63
100%
Vihtavuori N555 👍
<<locked>>
96%
56913
89%
**89
100%
Vihtavuori N560
<<locked>>
97%
55071
86%
**22
97%
Vihtavuori N565
<<locked>>
97%
46760
73%
**35
95%
Winchester 6.5 StaBALL
<<locked>>
89%
57290
90%
**97
100%
Winchester 760
<<locked>>
85%
56855
89%
**76
99%
Winchester StaBALL HD 👍
<<locked>>
97%
48573
76%
**92
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
51880
81%
**15
100%
[ADI AR 2209]*
<<locked>>
81%
36318
57%
**59
92%
[ADI AR 2213]*
<<locked>>
84%
36100
57%
**69
90%
[ADI AR 2217]*
<<locked>>
94%
36100
57%
**49
90%
[ADI AR 2225]*
<<locked>>
92%
30385
48%
**35
90%
Accurate 2700
<<locked>>
81%
49908
78%
**43
98%
[Accurate 3100]*
<<locked>>
81%
31836
50%
**08
94%
Accurate 4350
<<locked>>
81%
43091
68%
**13
99%
[Accurate MAGPRO]*
<<locked>>
88%
39987
63%
**94
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
52707
83%
**41
100%
Alliant Reloder-16
<<locked>>
81%
41423
65%
**20
99%
Alliant Reloder-17
<<locked>>
81%
47587
75%
**51
100%
[Alliant Reloder-19]*
<<locked>>
81%
36100
57%
**56
93%
[Alliant Reloder-22]*
<<locked>>
81%
31995
50%
**77
90%
Alliant Reloder-23
<<locked>>
81%
30647
48%
**48
97%
[Alliant Reloder-25]*
<<locked>>
81%
26818
42%
**16
91%
Alliant Reloder-26
<<locked>>
81%
33315
52%
**76
96%
[Hodgdon H1000]*
<<locked>>
94%
36100
57%
**49
90%
Hodgdon H414
<<locked>>
81%
48979
77%
**41
98%
Hodgdon H4350
<<locked>>
81%
40001
63%
**99
95%
[Hodgdon H4831]*
<<locked>>
87%
36840
58%
**43
90%
[Hodgdon H4831 SC]*
<<locked>>
84%
36840
58%
**43
90%
Hodgdon Hybrid 100V
<<locked>>
81%
39247
62%
**02
100%
Hodgdon LVR
<<locked>>
81%
45672
72%
**63
99%
[Hodgdon Retumbo]*
<<locked>>
92%
30385
48%
**35
90%
Hodgdon Superperformance
<<locked>>
81%
44353
69%
**82
97%
Hodgdon VARGET
<<locked>>
81%
51416
81%
**12
100%
Hodgdon TrailBoss
<<locked>>
81%
27891
44%
**85
100%
IMR 4064
<<locked>>
81%
50952
80%
**95
100%
IMR 4166 Enduron
<<locked>>
81%
49835
78%
**66
98%
IMR 4350
<<locked>>
81%
41858
66%
**41
96%
IMR 4451 Enduron
<<locked>>
81%
48095
75%
**53
98%
IMR 4831
<<locked>>
81%
37507
59%
**66
98%
[IMR 4955 Enduron]*
<<locked>>
82%
35839
56%
**84
90%
[IMR 7828 SSC]*
<<locked>>
83%
35810
56%
**72
90%
Lovex S065
<<locked>>
81%
45469
71%
**04
99%
Lovex S070
<<locked>>
81%
43569
68%
**74
97%
[Lovex S071]*
<<locked>>
81%
27369
43%
**74
91%
Norma 204
<<locked>>
81%
41698
65%
**74
95%
[Norma MRP]*
<<locked>>
81%
33156
52%
**36
93%
Norma URP
<<locked>>
81%
42569
67%
**97
99%
Ramshot Hunter
<<locked>>
81%
41466
65%
**84
97%
[Ramshot Magnum]*
<<locked>>
82%
30705
48%
**21
90%
ReloadSwiss RS 14
<<locked>>
81%
28558
45%
**31
100%
ReloadSwiss RS 60
<<locked>>
81%
45992
72%
**45
100%
ReloadSwiss RS 62
<<locked>>
81%
42931
67%
**23
99%
ReloadSwiss RS 70
<<locked>>
81%
41568
65%
**40
99%
[ReloadSwiss RS 76]*
<<locked>>
87%
30734
48%
**74
90%
Rottweil R 903
<<locked>>
81%
50357
79%
**95
100%
[Rottweil R 904]*
<<locked>>
81%
37710
59%
**36
92%
[Rottweil R 905]*
<<locked>>
81%
35215
55%
**33
92%
Rottweil R 907
<<locked>>
81%
46572
73%
**23
97%
SNPE Vectan SP 11
<<locked>>
81%
51706
81%
**54
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
50937
80%
**90
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
44498
70%
**38
98%
Shooters World Long Rifle
<<locked>>
81%
45469
71%
**04
99%
Somchem S355
<<locked>>
81%
50386
79%
**02
100%
[Somchem S361]*
<<locked>>
81%
38435
60%
**26
91%
Somchem S365
<<locked>>
81%
39073
61%
**54
100%
[Somchem S385]*
<<locked>>
81%
35984
56%
**23
94%
Vihtavuori N135
<<locked>>
81%
49008
77%
**90
100%
Vihtavuori N150
<<locked>>
81%
43178
68%
**22
100%
Vihtavuori N160
<<locked>>
81%
45832
72%
**23
99%
[Vihtavuori N165]*
<<locked>>
81%
30124
47%
**52
90%
Vihtavuori N550
<<locked>>
81%
46557
73%
**82
99%
Vihtavuori N555
<<locked>>
81%
34258
54%
**36
98%
[Vihtavuori N560]*
<<locked>>
85%
36767
58%
**12
90%
[Vihtavuori N565]*
<<locked>>
89%
35302
55%
**69
90%
Winchester 6.5 StaBALL
<<locked>>
81%
43105
68%
**58
100%
Winchester 760
<<locked>>
81%
48979
77%
**41
98%
Winchester StaBALL HD
<<locked>>
81%
25121
39%
**21
97%

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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