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Load data for 7 x 66 SE v. Hofe + .284 | 100gr | H&N RN HS

Recommended Powder(s): Alliant Reloder-17, Hodgdon LVR, Somchem S365, Vihtavuori N160, Vihtavuori N550

7 x 66 SE v. Hofe + .284 | 100gr | H&N RN HS

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 100gr | H&N RN HS
Bullet Weight:
100gr | 6.5g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
0.740" | 18.8mm
Caliber:
7 x 66 SE v. Hofe load data
Case Length (l3):
2.598" | 66.0mm
Cartridge Length (C.O.L.):
3.200" | 81.3mm
Seated Depth:
0.138" | 3.5mm
Shank Seated Depth:
0.122" | 3.1mm
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_B7405_C1097
Last updated:
2025-01-01

Load data for 166 loads in caliber 7 x 66 SE v. Hofe with .284 | 100gr | H&N RN HS bullet and 83 powders such as Alliant Reloder-17, Hodgdon LVR, Somchem S365, Vihtavuori N160, Vihtavuori N550. 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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  • .

    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.

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>>
88%
56797
89%
**17
100%
ADI AR 2209
<<locked>>
97%
53592
84%
**07
96%
Accurate 2700
<<locked>>
89%
57174
90%
**51
97%
Accurate 3100
<<locked>>
97%
45643
72%
**81
96%
Accurate 4064
<<locked>>
87%
56869
89%
**88
100%
Accurate 4350
<<locked>>
94%
57334
90%
**66
100%
Alliant Reloder- TS 15.5
<<locked>>
88%
57174
90%
**37
100%
Alliant Reloder-15
<<locked>>
85%
56797
89%
**47
100%
Alliant Reloder-16
<<locked>>
95%
56971
89%
**25
100%
Alliant Reloder-17 👍
<<locked>>
90%
56985
89%
**19
100%
Alliant Reloder-19
<<locked>>
97%
52939
83%
**94
96%
[Alliant Reloder-22]*
<<locked>>
97%
46282
73%
**73
94%
Alliant Reloder-23
<<locked>>
97%
43439
68%
**17
99%
[Alliant Reloder-25]*
<<locked>>
97%
37797
59%
**76
94%
Alliant Reloder-26
<<locked>>
97%
50386
79%
**43
99%
Hodgdon CFE223
<<locked>>
85%
56753
89%
**56
100%
Hodgdon H380
<<locked>>
87%
57348
90%
**40
99%
Hodgdon H414
<<locked>>
89%
56855
89%
**76
98%
Hodgdon H4350
<<locked>>
96%
57058
89%
**10
97%
[Hodgdon H4831 SC]*
<<locked>>
97%
50169
79%
**02
92%
Hodgdon Hybrid 100V
<<locked>>
97%
57116
89%
**17
100%
Hodgdon LVR 👍
<<locked>>
92%
56753
89%
**53
99%
Hodgdon Superperformance
<<locked>>
91%
56623
89%
**89
98%
Hodgdon VARGET
<<locked>>
88%
56797
89%
**17
100%
Hodgdon TrailBoss
<<locked>>
96%
33794
53%
**51
100%
IMR 3031
<<locked>>
85%
56710
89%
**14
100%
IMR 4064
<<locked>>
89%
56898
89%
**10
100%
IMR 4166 Enduron
<<locked>>
89%
57188
90%
**94
98%
IMR 4350
<<locked>>
95%
57087
89%
**10
98%
IMR 4451 Enduron
<<locked>>
90%
57276
90%
**14
98%
IMR 4831
<<locked>>
97%
52895
83%
**74
99%
IMR 4895
<<locked>>
85%
56898
89%
**47
100%
[IMR 4955 Enduron]*
<<locked>>
97%
49632
78%
**43
92%
[IMR 7828 SSC]*
<<locked>>
97%
49037
77%
**45
93%
Lovex S060
<<locked>>
84%
57406
90%
**71
100%
Lovex S062
<<locked>>
87%
57290
90%
**97
100%
Lovex S065
<<locked>>
93%
57145
90%
**07
99%
Lovex S070
<<locked>>
94%
56942
89%
**17
98%
[Lovex S071]*
<<locked>>
97%
37420
59%
**81
93%
Norma 201
<<locked>>
84%
57101
89%
**01
100%
Norma 202
<<locked>>
83%
57058
89%
**91
100%
Norma 203B
<<locked>>
86%
57392
90%
**40
100%
Norma 204
<<locked>>
94%
56739
89%
**43
96%
Norma MRP
<<locked>>
97%
49661
78%
**97
96%
Norma URP
<<locked>>
94%
57319
90%
**63
100%
Ramshot Big Game
<<locked>>
85%
57145
90%
**50
100%
Ramshot Hunter
<<locked>>
95%
56826
89%
**70
99%
[Ramshot Magnum]*
<<locked>>
97%
45295
71%
**17
94%
ReloadSwiss RS 14
<<locked>>
96%
34113
53%
**00
100%
ReloadSwiss RS 50
<<locked>>
87%
57029
89%
**07
98%
ReloadSwiss RS 52
<<locked>>
86%
56884
89%
**43
100%
ReloadSwiss RS 60
<<locked>>
91%
57145
90%
**52
100%
ReloadSwiss RS 62
<<locked>>
93%
56797
89%
**63
99%
ReloadSwiss RS 70
<<locked>>
94%
57087
89%
**35
100%
Rottweil R 902
<<locked>>
86%
57101
89%
**91
100%
Rottweil R 903
<<locked>>
89%
56637
89%
**07
100%
Rottweil R 904
<<locked>>
97%
55158
86%
**74
95%
Rottweil R 905
<<locked>>
97%
51779
81%
**65
95%
Rottweil R 907
<<locked>>
92%
57246
90%
**14
98%
SNPE Vectan SP 11
<<locked>>
88%
57276
90%
**60
100%
SNPE Vectan SP 9
<<locked>>
83%
56884
89%
**07
100%
SNPE Vectan Tubal 3000
<<locked>>
83%
57305
90%
**19
100%
SNPE Vectan Tubal 5000
<<locked>>
88%
56985
89%
**86
100%
SNPE Vectan Tubal 7000
<<locked>>
92%
57087
89%
**55
98%
Shooters World Long Rifle
<<locked>>
93%
57145
90%
**07
99%
Shooters World Precision
<<locked>>
87%
57290
90%
**97
100%
Somchem S335
<<locked>>
84%
57174
90%
**15
100%
Somchem S355
<<locked>>
89%
56898
89%
**17
100%
[Somchem S361]*
<<locked>>
97%
57159
90%
**65
94%
Somchem S365 👍
<<locked>>
96%
56855
89%
**76
100%
Somchem S385
<<locked>>
97%
52083
82%
**38
97%
Vihtavuori N133
<<locked>>
85%
56869
89%
**92
100%
Vihtavuori N135
<<locked>>
91%
57203
90%
**48
100%
Vihtavuori N140
<<locked>>
85%
56681
89%
**35
100%
Vihtavuori N150
<<locked>>
94%
57174
90%
**65
100%
Vihtavuori N160 👍
<<locked>>
91%
56855
89%
**20
100%
[Vihtavuori N165]*
<<locked>>
97%
42960
67%
**09
93%
Vihtavuori N540
<<locked>>
85%
57188
90%
**68
100%
Vihtavuori N550 👍
<<locked>>
91%
56884
89%
**66
100%
Vihtavuori N555
<<locked>>
97%
48414
76%
**12
99%
Winchester 6.5 StaBALL
<<locked>>
93%
56797
89%
**84
100%
Winchester 760
<<locked>>
89%
56855
89%
**76
98%
Winchester StaBALL HD
<<locked>>
97%
37855
59%
**17
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
45237
71%
**81
98%
[ADI AR 2209]*
<<locked>>
88%
39508
62%
**73
90%
[Accurate 2700]*
<<locked>>
81%
43352
68%
**56
94%
[Accurate 3100]*
<<locked>>
87%
31517
49%
**17
90%
Accurate 4064
<<locked>>
81%
46021
72%
**87
100%
[Accurate 4350]*
<<locked>>
81%
34867
55%
**51
94%
Alliant Reloder- TS 15.5
<<locked>>
81%
45382
71%
**97
99%
Alliant Reloder-15
<<locked>>
81%
48791
76%
**86
99%
[Alliant Reloder-16]*
<<locked>>
81%
34780
54%
**87
94%
Alliant Reloder-17
<<locked>>
81%
40016
63%
**64
98%
[Alliant Reloder-19]*
<<locked>>
88%
38725
61%
**56
90%
[Alliant Reloder-22]*
<<locked>>
92%
38812
61%
**86
90%
[Alliant Reloder-23]*
<<locked>>
82%
25947
41%
**89
90%
[Alliant Reloder-25]*
<<locked>>
92%
31836
50%
**95
90%
[Alliant Reloder-26]*
<<locked>>
84%
30342
48%
**79
90%
Hodgdon CFE223
<<locked>>
81%
48675
76%
**06
99%
Hodgdon H380
<<locked>>
81%
45934
72%
**14
98%
[Hodgdon H414]*
<<locked>>
81%
41510
65%
**38
94%
[Hodgdon H4350]*
<<locked>>
82%
35607
56%
**25
90%
[Hodgdon H4831 SC]*
<<locked>>
93%
44411
70%
**68
90%
Hodgdon Hybrid 100V
<<locked>>
81%
31937
50%
**53
95%
Hodgdon LVR
<<locked>>
81%
38638
61%
**63
95%
[Hodgdon Superperformance]*
<<locked>>
81%
37391
59%
**50
91%
Hodgdon VARGET
<<locked>>
81%
44730
70%
**68
98%
Hodgdon TrailBoss
<<locked>>
81%
26774
42%
**70
100%
IMR 3031
<<locked>>
81%
49559
78%
**83
100%
IMR 4064
<<locked>>
81%
43961
69%
**45
98%
IMR 4166 Enduron
<<locked>>
81%
43439
68%
**09
95%
[IMR 4350]*
<<locked>>
81%
35621
56%
**25
90%
[IMR 4451 Enduron]*
<<locked>>
81%
41989
66%
**92
94%
[IMR 4831]*
<<locked>>
81%
30284
47%
**04
92%
IMR 4895
<<locked>>
81%
50038
78%
**28
100%
[IMR 4955 Enduron]*
<<locked>>
93%
43192
68%
**12
90%
[IMR 7828 SSC]*
<<locked>>
94%
43497
68%
**01
90%
Lovex S060
<<locked>>
81%
52649
83%
**99
100%
Lovex S062
<<locked>>
81%
47340
74%
**20
100%
[Lovex S065]*
<<locked>>
81%
38464
60%
**94
94%
[Lovex S070]*
<<locked>>
81%
36651
57%
**58
92%
[Lovex S071]*
<<locked>>
92%
31517
49%
**17
90%
Norma 201
<<locked>>
81%
51576
81%
**92
100%
Norma 202
<<locked>>
81%
52823
83%
**09
100%
Norma 203B
<<locked>>
81%
48066
75%
**66
99%
[Norma 204]*
<<locked>>
84%
39175
61%
**53
90%
[Norma MRP]*
<<locked>>
88%
35244
55%
**14
90%
[Norma URP]*
<<locked>>
81%
35360
55%
**74
94%
Ramshot Big Game
<<locked>>
81%
49023
77%
**86
99%
[Ramshot Hunter]*
<<locked>>
81%
34505
54%
**45
92%
[Ramshot Magnum]*
<<locked>>
92%
37173
58%
**14
90%
ReloadSwiss RS 14
<<locked>>
81%
27079
42%
**16
100%
ReloadSwiss RS 50
<<locked>>
81%
46586
73%
**04
96%
ReloadSwiss RS 52
<<locked>>
81%
47935
75%
**83
100%
ReloadSwiss RS 60
<<locked>>
81%
38682
61%
**45
99%
[ReloadSwiss RS 62]*
<<locked>>
81%
35317
55%
**91
94%
[ReloadSwiss RS 70]*
<<locked>>
81%
34882
55%
**94
93%
Rottweil R 902
<<locked>>
81%
48863
77%
**30
100%
Rottweil R 903
<<locked>>
81%
42148
66%
**15
99%
[Rottweil R 904]*
<<locked>>
89%
41930
66%
**92
90%
[Rottweil R 905]*
<<locked>>
89%
38348
60%
**53
90%
[Rottweil R 907]*
<<locked>>
81%
39885
63%
**30
92%
SNPE Vectan SP 11
<<locked>>
81%
44338
69%
**04
99%
SNPE Vectan SP 9
<<locked>>
81%
52199
82%
**35
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
52953
83%
**53
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
44469
70%
**66
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
38014
60%
**38
93%
[Shooters World Long Rifle]*
<<locked>>
81%
38464
60%
**94
94%
Shooters World Precision
<<locked>>
81%
47340
74%
**20
100%
Somchem S335
<<locked>>
81%
52475
82%
**40
100%
Somchem S355
<<locked>>
81%
42786
67%
**25
99%
[Somchem S361]*
<<locked>>
90%
44440
70%
**96
90%
Somchem S365
<<locked>>
81%
31430
49%
**89
96%
[Somchem S385]*
<<locked>>
86%
35447
56%
**31
90%
Vihtavuori N133
<<locked>>
81%
50024
78%
**84
100%
Vihtavuori N135
<<locked>>
81%
41452
65%
**53
100%
Vihtavuori N140
<<locked>>
81%
49240
77%
**07
100%
Vihtavuori N150
<<locked>>
81%
36376
57%
**35
98%
Vihtavuori N160
<<locked>>
81%
38682
61%
**36
96%
[Vihtavuori N165]*
<<locked>>
92%
36492
57%
**41
90%
Vihtavuori N540
<<locked>>
81%
49182
77%
**40
100%
Vihtavuori N550
<<locked>>
81%
39015
61%
**73
96%
[Vihtavuori N555]*
<<locked>>
82%
27412
43%
**35
90%
Winchester 6.5 StaBALL
<<locked>>
81%
36695
57%
**54
98%
[Winchester 760]*
<<locked>>
81%
41510
65%
**38
94%
[Winchester StaBALL HD]*
<<locked>>
87%
23699
37%
**44
90%

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.

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