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Load data for 7 x 66 SE v. Hofe + .284 | 160gr | Sierra Tipped MatchKing

Recommended Powder(s): ADI AR 2209, Alliant Reloder-22, IMR 7828 SSC, Norma MRP, Ramshot Magnum

7 x 66 SE v. Hofe + .284 | 160gr | Sierra Tipped MatchKing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 160gr | Sierra Tipped MatchKing
Manufacturer SKU:
7660
Bullet Weight:
160gr | 10.4g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.415" | 35.9mm
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:
0.756" | 19.2mm
Shank Seated Depth:
0.615" | 15.6mm
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_B5847_C1097
Last updated:
2025-01-01
Recommended Twist Rate:
1:10 - 1:8

Load data for 120 loads in caliber 7 x 66 SE v. Hofe with .284 | 160gr | Sierra Tipped MatchKing bullet and 60 powders such as ADI AR 2209, Alliant Reloder-22, IMR 7828 SSC, Norma MRP, Ramshot Magnum. 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".

  • Muzzle velocity vs. barrel length

    Every 1 inch additional barrel length increases muzzle velocity by approx. 35.3 fps

  • .

    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 2209 👍
<<locked>>
90%
56855
89%
**56
100%
ADI AR 2213
<<locked>>
93%
57000
89%
**92
99%
ADI AR 2217
<<locked>>
97%
47210
74%
**22
98%
ADI AR 2225
<<locked>>
97%
42119
66%
**72
99%
Accurate 3100
<<locked>>
93%
57159
90%
**90
100%
Accurate 4350
<<locked>>
85%
57203
90%
**13
100%
Accurate MAGPRO
<<locked>>
93%
57014
89%
**05
98%
Alliant Reloder-16
<<locked>>
86%
57159
90%
**49
100%
Alliant Reloder-19
<<locked>>
90%
57058
89%
**56
100%
Alliant Reloder-22 👍
<<locked>>
93%
57130
90%
**92
100%
Alliant Reloder-23
<<locked>>
94%
57130
90%
**33
100%
Alliant Reloder-25
<<locked>>
97%
53214
83%
**46
100%
Alliant Reloder-26
<<locked>>
90%
57072
89%
**25
100%
[Alliant Reloder-33]*
<<locked>>
97%
43859
69%
**12
93%
Hodgdon H1000
<<locked>>
97%
47210
74%
**22
98%
Hodgdon H4350
<<locked>>
88%
57116
89%
**97
100%
Hodgdon H4831
<<locked>>
96%
57116
90%
**33
99%
Hodgdon H4831 SC
<<locked>>
92%
57116
90%
**33
99%
Hodgdon Hybrid 100V
<<locked>>
88%
57000
89%
**71
100%
Hodgdon LVR
<<locked>>
83%
57043
89%
**13
100%
Hodgdon Retumbo
<<locked>>
97%
42119
66%
**72
99%
Hodgdon Superperformance
<<locked>>
84%
57305
90%
**72
100%
Hodgdon TrailBoss
<<locked>>
97%
35839
56%
**01
100%
IMR 4350
<<locked>>
86%
56840
89%
**94
100%
IMR 4831
<<locked>>
90%
57058
89%
**94
100%
IMR 4955 Enduron
<<locked>>
93%
56942
89%
**00
99%
IMR 7828 SSC 👍
<<locked>>
92%
56927
89%
**05
99%
[IMR 7977 Enduron]*
<<locked>>
97%
55216
87%
**22
92%
IMR 8133 Enduron
<<locked>>
97%
38522
60%
**90
95%
Lovex S065
<<locked>>
84%
57276
90%
**71
100%
Lovex S070
<<locked>>
85%
56869
89%
**87
100%
Lovex S071
<<locked>>
97%
53853
84%
**51
100%
Norma 204
<<locked>>
86%
56811
89%
**30
100%
Norma 217
<<locked>>
97%
38363
60%
**03
98%
Norma MRP 👍
<<locked>>
91%
57392
90%
**12
100%
Norma URP
<<locked>>
86%
57145
90%
**20
100%
Ramshot Hunter
<<locked>>
86%
57029
89%
**33
100%
Ramshot Magnum 👍
<<locked>>
94%
56710
89%
**66
100%
ReloadSwiss RS 14
<<locked>>
96%
36361
57%
**37
100%
ReloadSwiss RS 62
<<locked>>
84%
57014
89%
**30
100%
ReloadSwiss RS 70
<<locked>>
85%
56956
89%
**76
100%
ReloadSwiss RS 76
<<locked>>
97%
53142
83%
**25
100%
ReloadSwiss RS 80
<<locked>>
97%
48153
75%
**97
97%
Rottweil R 904
<<locked>>
89%
56623
89%
**04
99%
Rottweil R 905
<<locked>>
90%
56782
89%
**43
100%
Rottweil R 907
<<locked>>
83%
57145
90%
**77
100%
SNPE Vectan Tubal 7000
<<locked>>
85%
56826
89%
**28
100%
Shooters World Long Rifle
<<locked>>
84%
57276
90%
**71
100%
Somchem S361
<<locked>>
89%
57014
89%
**77
99%
Somchem S365
<<locked>>
87%
57188
90%
**07
100%
Somchem S385
<<locked>>
90%
57203
90%
**13
100%
Vihtavuori N150
<<locked>>
86%
57145
90%
**12
100%
Vihtavuori N165
<<locked>>
95%
56913
89%
**00
100%
Vihtavuori N555
<<locked>>
91%
56971
89%
**27
100%
Vihtavuori N560
<<locked>>
93%
57116
90%
**09
99%
Vihtavuori N565
<<locked>>
97%
56362
88%
**82
99%
Vihtavuori N568
<<locked>>
97%
49095
77%
**07
96%
[Vihtavuori N570]*
<<locked>>
97%
47282
74%
**90
94%
Winchester 6.5 StaBALL
<<locked>>
85%
57014
89%
**38
100%
Winchester StaBALL HD
<<locked>>
95%
57188
90%
**45
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
42061
66%
**80
97%
[ADI AR 2213]*
<<locked>>
81%
37623
59%
**12
94%
[ADI AR 2217]*
<<locked>>
83%
30298
47%
**05
90%
[ADI AR 2225]*
<<locked>>
81%
25454
40%
**93
90%
Accurate 3100
<<locked>>
81%
37782
59%
**59
98%
Accurate 4350
<<locked>>
81%
50444
79%
**08
100%
[Accurate MAGPRO]*
<<locked>>
81%
36738
58%
**08
92%
Alliant Reloder-16
<<locked>>
81%
48298
76%
**08
100%
Alliant Reloder-19
<<locked>>
81%
41959
66%
**77
97%
Alliant Reloder-22
<<locked>>
81%
37826
59%
**25
96%
Alliant Reloder-23
<<locked>>
81%
36419
57%
**79
100%
Alliant Reloder-25
<<locked>>
81%
31531
49%
**93
97%
Alliant Reloder-26
<<locked>>
81%
40335
63%
**33
100%
[Alliant Reloder-33]*
<<locked>>
94%
38624
61%
**87
90%
[Hodgdon H1000]*
<<locked>>
83%
30298
47%
**05
90%
Hodgdon H4350
<<locked>>
81%
45759
72%
**03
99%
[Hodgdon H4831]*
<<locked>>
81%
35273
55%
**07
93%
[Hodgdon H4831 SC]*
<<locked>>
81%
39566
62%
**08
94%
Hodgdon Hybrid 100V
<<locked>>
81%
45832
72%
**97
100%
Hodgdon LVR
<<locked>>
81%
52620
82%
**41
100%
[Hodgdon Retumbo]*
<<locked>>
81%
25454
40%
**93
90%
Hodgdon Superperformance
<<locked>>
81%
52098
82%
**94
100%
Hodgdon TrailBoss
<<locked>>
81%
28456
45%
**44
100%
IMR 4350
<<locked>>
81%
47834
75%
**43
99%
IMR 4831
<<locked>>
81%
43685
68%
**77
100%
IMR 4955 Enduron
<<locked>>
81%
39508
62%
**79
95%
IMR 7828 SSC
<<locked>>
81%
38421
60%
**44
95%
[IMR 7977 Enduron]*
<<locked>>
93%
48182
76%
**07
90%
[IMR 8133 Enduron]*
<<locked>>
89%
29602
46%
**38
90%
Lovex S065
<<locked>>
81%
51721
81%
**89
100%
Lovex S070
<<locked>>
81%
50024
78%
**76
100%
Lovex S071
<<locked>>
81%
32619
51%
**34
97%
Norma 204
<<locked>>
81%
48196
76%
**82
98%
[Norma 217]*
<<locked>>
85%
25628
40%
**36
90%
Norma MRP
<<locked>>
81%
39813
62%
**94
98%
Norma URP
<<locked>>
81%
49327
77%
**95
100%
Ramshot Hunter
<<locked>>
81%
48167
75%
**95
100%
Ramshot Magnum
<<locked>>
81%
35128
55%
**59
96%
ReloadSwiss RS 14
<<locked>>
81%
28993
45%
**80
100%
ReloadSwiss RS 62
<<locked>>
81%
50618
79%
**25
100%
ReloadSwiss RS 70
<<locked>>
81%
48747
76%
**48
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
29805
47%
**77
94%
[ReloadSwiss RS 80]*
<<locked>>
87%
33011
52%
**56
90%
Rottweil R 904
<<locked>>
81%
43366
68%
**64
96%
Rottweil R 905
<<locked>>
81%
41336
65%
**64
97%
Rottweil R 907
<<locked>>
81%
52837
83%
**12
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
50517
79%
**33
100%
Shooters World Long Rifle
<<locked>>
81%
51721
81%
**89
100%
Somchem S361
<<locked>>
81%
44106
69%
**54
96%
Somchem S365
<<locked>>
81%
46383
73%
**43
100%
Somchem S385
<<locked>>
81%
42206
66%
**51
98%
Vihtavuori N150
<<locked>>
81%
49255
77%
**00
100%
Vihtavuori N165
<<locked>>
81%
35389
55%
**93
96%
Vihtavuori N555
<<locked>>
81%
40828
64%
**64
100%
[Vihtavuori N560]*
<<locked>>
81%
37840
59%
**41
94%
[Vihtavuori N565]*
<<locked>>
81%
32619
51%
**90
92%
[Vihtavuori N568]*
<<locked>>
86%
33721
53%
**52
90%
[Vihtavuori N570]*
<<locked>>
92%
39508
62%
**30
90%
Winchester 6.5 StaBALL
<<locked>>
81%
49951
78%
**43
100%
Winchester StaBALL HD
<<locked>>
81%
32605
51%
**05
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.

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