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Load data for 7 x 66 SE v. Hofe + .284 | 125gr | Lehigh Defense Controlled Chaos

Recommended Powder(s): Alliant Reloder-26, Ramshot Hunter, ReloadSwiss RS 70, Vihtavuori N555, Winchester StaBALL HD

7 x 66 SE v. Hofe + .284 | 125gr | Lehigh Defense Controlled Chaos

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 125gr | Lehigh Defense Controlled Chaos
Manufacturer SKU:
Bullet Weight:
125gr | 8.1g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.260" | 32.0mm
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:
0.601" | 15.3mm
Shank Seated Depth:
0.443" | 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_B11014_C1097
Last updated:
2025-11-04
Recommended Twist Rate:
1:10 - 1:9

Load data for 140 loads in caliber 7 x 66 SE v. Hofe with .284 | 125gr | Lehigh Defense Controlled Chaos bullet and 70 powders such as Alliant Reloder-26, Ramshot Hunter, ReloadSwiss RS 70, 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>>
85%
57377
90%
**99
100%
ADI AR 2209
<<locked>>
95%
56579
89%
**74
98%
ADI AR 2213
<<locked>>
97%
54868
86%
**64
96%
[ADI AR 2225]*
<<locked>>
97%
35520
56%
**61
93%
Accurate 2700
<<locked>>
85%
57058
89%
**53
99%
Accurate 3100
<<locked>>
97%
54636
86%
**76
99%
Accurate 4350
<<locked>>
89%
57101
89%
**45
100%
[Accurate MAGPRO]*
<<locked>>
97%
53722
84%
**58
94%
Alliant Reloder- TS 15.5
<<locked>>
84%
57217
90%
**02
100%
Alliant Reloder-16
<<locked>>
91%
56942
89%
**94
100%
Alliant Reloder-17
<<locked>>
86%
57217
90%
**04
100%
Alliant Reloder-19
<<locked>>
95%
57348
90%
**84
98%
Alliant Reloder-22
<<locked>>
97%
54186
85%
**64
98%
Alliant Reloder-23
<<locked>>
97%
51474
81%
**96
100%
Alliant Reloder-25
<<locked>>
97%
44222
69%
**91
99%
Alliant Reloder-26 👍
<<locked>>
96%
57116
89%
**66
100%
Hodgdon H414
<<locked>>
86%
57305
90%
**71
99%
Hodgdon H4350
<<locked>>
93%
57217
90%
**15
99%
Hodgdon H4831
<<locked>>
97%
50285
79%
**20
95%
Hodgdon H4831 SC
<<locked>>
97%
56840
89%
**45
96%
Hodgdon Hybrid 100V
<<locked>>
93%
57319
90%
**19
100%
Hodgdon LVR
<<locked>>
88%
57435
90%
**51
100%
[Hodgdon Retumbo]*
<<locked>>
97%
35520
56%
**61
93%
Hodgdon Superperformance
<<locked>>
88%
57377
90%
**97
99%
Hodgdon VARGET
<<locked>>
85%
57145
90%
**89
100%
Hodgdon TrailBoss
<<locked>>
97%
35128
55%
**21
100%
IMR 4064
<<locked>>
85%
57348
90%
**96
100%
IMR 4166 Enduron
<<locked>>
86%
57377
90%
**89
99%
IMR 4350
<<locked>>
91%
57217
90%
**15
99%
IMR 4451 Enduron
<<locked>>
87%
57290
90%
**12
99%
IMR 4831
<<locked>>
95%
57334
90%
**38
100%
IMR 4955 Enduron
<<locked>>
97%
55347
87%
**89
96%
IMR 7828 SSC
<<locked>>
97%
56666
89%
**10
97%
Lovex S065
<<locked>>
89%
57116
90%
**02
100%
Lovex S070
<<locked>>
90%
56579
89%
**02
99%
Lovex S071
<<locked>>
97%
45005
71%
**05
98%
Norma 204
<<locked>>
90%
56782
89%
**55
98%
Norma MRP
<<locked>>
96%
56739
89%
**37
99%
Norma URP
<<locked>>
90%
57203
90%
**55
100%
Ramshot Hunter 👍
<<locked>>
91%
57392
90%
**78
100%
Ramshot Magnum
<<locked>>
97%
52765
83%
**12
98%
ReloadSwiss RS 14
<<locked>>
96%
35491
56%
**60
100%
ReloadSwiss RS 50
<<locked>>
83%
57116
90%
**02
100%
ReloadSwiss RS 60
<<locked>>
87%
57276
90%
**20
100%
ReloadSwiss RS 62
<<locked>>
89%
57261
90%
**74
100%
ReloadSwiss RS 70 👍
<<locked>>
90%
56898
89%
**27
100%
ReloadSwiss RS 76
<<locked>>
97%
43801
69%
**23
97%
Rottweil R 903
<<locked>>
85%
56971
89%
**92
100%
Rottweil R 904
<<locked>>
94%
57319
90%
**25
97%
Rottweil R 905
<<locked>>
95%
56840
89%
**61
98%
Rottweil R 907
<<locked>>
88%
56855
89%
**02
99%
SNPE Vectan SP 11
<<locked>>
84%
57232
90%
**41
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
56710
89%
**58
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
57232
90%
**50
99%
Shooters World Long Rifle
<<locked>>
89%
57116
90%
**02
100%
Somchem S355
<<locked>>
85%
57406
90%
**96
100%
Somchem S361
<<locked>>
93%
57203
90%
**79
96%
Somchem S365
<<locked>>
92%
57029
89%
**58
100%
Somchem S385
<<locked>>
95%
57145
90%
**32
99%
Vihtavuori N135
<<locked>>
87%
57392
90%
**10
100%
Vihtavuori N150
<<locked>>
90%
57188
90%
**50
100%
Vihtavuori N160
<<locked>>
88%
56985
89%
**12
100%
Vihtavuori N165
<<locked>>
97%
50357
79%
**97
97%
Vihtavuori N550
<<locked>>
88%
57232
90%
**61
100%
Vihtavuori N555 👍
<<locked>>
96%
56637
89%
**71
100%
Vihtavuori N560
<<locked>>
97%
54056
85%
**84
96%
[Vihtavuori N565]*
<<locked>>
97%
46485
73%
**10
94%
Winchester 6.5 StaBALL
<<locked>>
89%
56956
89%
**79
100%
Winchester 760
<<locked>>
86%
57305
90%
**71
99%
Winchester StaBALL HD 👍
<<locked>>
97%
47384
74%
**51
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
51111
80%
**94
100%
[ADI AR 2209]*
<<locked>>
81%
35737
56%
**12
91%
[ADI AR 2213]*
<<locked>>
86%
38101
60%
**94
90%
[ADI AR 2225]*
<<locked>>
93%
31270
49%
**26
90%
Accurate 2700
<<locked>>
81%
49661
78%
**22
98%
[Accurate 3100]*
<<locked>>
81%
31415
49%
**67
93%
Accurate 4350
<<locked>>
81%
42569
67%
**79
99%
[Accurate MAGPRO]*
<<locked>>
90%
41974
66%
**02
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
52315
82%
**23
100%
Alliant Reloder-16
<<locked>>
81%
41075
64%
**95
99%
Alliant Reloder-17
<<locked>>
81%
47195
74%
**30
100%
[Alliant Reloder-19]*
<<locked>>
81%
35694
56%
**15
92%
[Alliant Reloder-22]*
<<locked>>
83%
33257
52%
**76
90%
Alliant Reloder-23
<<locked>>
81%
30197
47%
**07
97%
[Alliant Reloder-25]*
<<locked>>
82%
27630
43%
**05
90%
Alliant Reloder-26
<<locked>>
81%
32895
52%
**28
95%
Hodgdon H414
<<locked>>
81%
48240
76%
**10
98%
Hodgdon H4350
<<locked>>
81%
39305
62%
**51
95%
[Hodgdon H4831]*
<<locked>>
88%
38363
60%
**61
90%
[Hodgdon H4831 SC]*
<<locked>>
85%
38363
60%
**61
90%
Hodgdon Hybrid 100V
<<locked>>
81%
38508
60%
**67
99%
Hodgdon LVR
<<locked>>
81%
45165
71%
**31
99%
[Hodgdon Retumbo]*
<<locked>>
93%
31270
49%
**26
90%
Hodgdon Superperformance
<<locked>>
81%
43685
68%
**38
96%
Hodgdon VARGET
<<locked>>
81%
50908
80%
**84
100%
Hodgdon TrailBoss
<<locked>>
81%
28007
44%
**54
100%
IMR 4064
<<locked>>
81%
50328
79%
**68
100%
IMR 4166 Enduron
<<locked>>
81%
49197
77%
**45
98%
IMR 4350
<<locked>>
81%
41452
65%
**07
96%
IMR 4451 Enduron
<<locked>>
81%
47398
74%
**25
98%
IMR 4831
<<locked>>
81%
36854
58%
**31
97%
[IMR 4955 Enduron]*
<<locked>>
84%
37144
58%
**92
90%
[IMR 7828 SSC]*
<<locked>>
85%
37666
59%
**94
90%
Lovex S065
<<locked>>
81%
44817
70%
**63
98%
Lovex S070
<<locked>>
81%
43192
68%
**43
97%
[Lovex S071]*
<<locked>>
81%
26876
42%
**23
90%
[Norma 204]*
<<locked>>
81%
41075
64%
**30
94%
[Norma MRP]*
<<locked>>
81%
32909
52%
**02
92%
Norma URP
<<locked>>
81%
42018
66%
**63
99%
Ramshot Hunter
<<locked>>
81%
40828
64%
**53
97%
[Ramshot Magnum]*
<<locked>>
84%
31923
50%
**20
90%
ReloadSwiss RS 14
<<locked>>
81%
28413
45%
**93
100%
ReloadSwiss RS 50
<<locked>>
81%
52866
83%
**23
99%
ReloadSwiss RS 60
<<locked>>
81%
45368
71%
**14
100%
ReloadSwiss RS 62
<<locked>>
81%
42583
67%
**95
99%
ReloadSwiss RS 70
<<locked>>
81%
41060
64%
**02
98%
[ReloadSwiss RS 76]*
<<locked>>
88%
31850
50%
**69
90%
Rottweil R 903
<<locked>>
81%
49777
78%
**71
100%
[Rottweil R 904]*
<<locked>>
81%
37202
58%
**02
91%
[Rottweil R 905]*
<<locked>>
81%
34824
55%
**95
91%
Rottweil R 907
<<locked>>
81%
46122
72%
**92
97%
SNPE Vectan SP 11
<<locked>>
81%
51126
80%
**36
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
50357
79%
**66
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
44063
69%
**07
97%
Shooters World Long Rifle
<<locked>>
81%
44817
70%
**63
98%
Somchem S355
<<locked>>
81%
49661
78%
**68
100%
[Somchem S361]*
<<locked>>
81%
38000
60%
**89
90%
Somchem S365
<<locked>>
81%
38566
60%
**20
100%
[Somchem S385]*
<<locked>>
81%
35491
56%
**79
93%
Vihtavuori N135
<<locked>>
81%
48225
76%
**69
100%
Vihtavuori N150
<<locked>>
81%
42612
67%
**00
100%
Vihtavuori N160
<<locked>>
81%
45542
71%
**05
99%
[Vihtavuori N165]*
<<locked>>
83%
31473
49%
**61
90%
Vihtavuori N550
<<locked>>
81%
45934
72%
**48
99%
Vihtavuori N555
<<locked>>
81%
33678
53%
**89
97%
[Vihtavuori N560]*
<<locked>>
86%
38087
60%
**20
90%
[Vihtavuori N565]*
<<locked>>
90%
36927
58%
**74
90%
Winchester 6.5 StaBALL
<<locked>>
81%
42685
67%
**27
100%
Winchester 760
<<locked>>
81%
48240
76%
**10
98%
Winchester StaBALL HD
<<locked>>
81%
24453
38%
**67
95%

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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