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Load data for 7 x 66 SE v. Hofe + .284 | 160gr | Speer Grand Slam

Recommended Powder(s): ADI AR 2213, Alliant Reloder-25, IMR 7828 SSC, ReloadSwiss RS 76, Vihtavuori N560

7 x 66 SE v. Hofe + .284 | 160gr | Speer Grand Slam

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 160gr | Speer Grand Slam
Manufacturer SKU:
1638
Bullet Weight:
160gr | 10.4g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.170" | 29.7mm
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:
0.511" | 13.0mm
Shank Seated Depth:
0.511" | 13.0mm
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_B6128_C1097
Last updated:
2025-01-01

Load data for 112 loads in caliber 7 x 66 SE v. Hofe with .284 | 160gr | Speer Grand Slam bullet and 56 powders such as ADI AR 2213, Alliant Reloder-25, IMR 7828 SSC, ReloadSwiss RS 76, Vihtavuori N560. 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 2209
<<locked>>
89%
57072
89%
**66
100%
ADI AR 2213 👍
<<locked>>
92%
57029
89%
**05
99%
ADI AR 2217
<<locked>>
97%
49734
78%
**74
99%
ADI AR 2225
<<locked>>
97%
44527
70%
**25
100%
Accurate 3100
<<locked>>
92%
57014
89%
**97
100%
Accurate 4350
<<locked>>
83%
57392
90%
**13
100%
Accurate MAGPRO
<<locked>>
92%
57261
90%
**09
98%
Alliant Reloder-16
<<locked>>
85%
56898
89%
**53
100%
Alliant Reloder-19
<<locked>>
89%
56840
89%
**53
100%
Alliant Reloder-22
<<locked>>
92%
57348
90%
**92
100%
Alliant Reloder-23
<<locked>>
93%
56623
89%
**33
100%
Alliant Reloder-25 👍
<<locked>>
97%
56434
88%
**02
100%
Alliant Reloder-26
<<locked>>
89%
56971
89%
**25
100%
[Alliant Reloder-33]*
<<locked>>
97%
46398
73%
**74
94%
Hodgdon H1000
<<locked>>
97%
49734
78%
**74
99%
Hodgdon H4350
<<locked>>
87%
57348
90%
**04
100%
Hodgdon H4831
<<locked>>
94%
57276
90%
**49
99%
Hodgdon H4831 SC
<<locked>>
91%
57276
90%
**49
99%
Hodgdon Hybrid 100V
<<locked>>
87%
57159
90%
**74
100%
Hodgdon Retumbo
<<locked>>
97%
44527
70%
**25
100%
Hodgdon TrailBoss
<<locked>>
96%
35505
56%
**08
100%
IMR 4350
<<locked>>
85%
56971
89%
**00
100%
IMR 4831
<<locked>>
88%
57232
90%
**07
100%
IMR 4955 Enduron
<<locked>>
92%
57319
90%
**13
99%
IMR 7828 SSC 👍
<<locked>>
91%
56753
89%
**09
99%
[IMR 7977 Enduron]*
<<locked>>
97%
56869
89%
**64
93%
IMR 8133 Enduron
<<locked>>
97%
40393
63%
**30
96%
Lovex S070
<<locked>>
84%
57290
90%
**97
100%
Lovex S071
<<locked>>
97%
56565
89%
**94
100%
Norma 204
<<locked>>
85%
57406
90%
**46
100%
Norma 217
<<locked>>
97%
40988
64%
**69
99%
Norma MRP
<<locked>>
90%
56637
89%
**02
100%
Norma URP
<<locked>>
84%
57043
89%
**13
100%
Ramshot Hunter
<<locked>>
85%
57072
89%
**46
100%
Ramshot Magnum
<<locked>>
92%
57014
89%
**76
100%
ReloadSwiss RS 14
<<locked>>
96%
36318
57%
**50
100%
ReloadSwiss RS 62
<<locked>>
83%
56942
89%
**36
100%
ReloadSwiss RS 70
<<locked>>
84%
56855
89%
**79
100%
ReloadSwiss RS 76 👍
<<locked>>
97%
55883
88%
**68
100%
ReloadSwiss RS 80
<<locked>>
97%
51329
80%
**63
98%
Rottweil R 904
<<locked>>
88%
56811
89%
**17
99%
Rottweil R 905
<<locked>>
89%
56956
89%
**49
100%
SNPE Vectan Tubal 7000
<<locked>>
84%
57203
90%
**44
100%
Somchem S361
<<locked>>
88%
57217
90%
**90
99%
Somchem S365
<<locked>>
86%
57043
89%
**07
100%
Somchem S385
<<locked>>
89%
57305
90%
**27
100%
Vihtavuori N150
<<locked>>
85%
57276
90%
**22
100%
Vihtavuori N165
<<locked>>
94%
56826
89%
**00
100%
[Vihtavuori N170]*
<<locked>>
97%
46615
73%
**43
92%
Vihtavuori N555
<<locked>>
90%
56826
89%
**40
100%
Vihtavuori N560 👍
<<locked>>
92%
57334
90%
**25
99%
Vihtavuori N565
<<locked>>
96%
56681
89%
**95
99%
Vihtavuori N568
<<locked>>
97%
52141
82%
**63
97%
Vihtavuori N570
<<locked>>
97%
49676
78%
**49
95%
Winchester 6.5 StaBALL
<<locked>>
84%
57058
89%
**44
100%
Winchester StaBALL HD
<<locked>>
94%
57188
90%
**41
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
43874
69%
**26
98%
ADI AR 2213
<<locked>>
81%
39262
62%
**57
95%
[ADI AR 2217]*
<<locked>>
82%
29979
47%
**02
90%
[ADI AR 2225]*
<<locked>>
81%
26556
42%
**36
92%
Accurate 3100
<<locked>>
81%
39900
63%
**02
99%
Accurate 4350
<<locked>>
81%
53026
83%
**51
100%
[Accurate MAGPRO]*
<<locked>>
81%
38595
60%
**48
93%
Alliant Reloder-16
<<locked>>
81%
50546
79%
**51
100%
Alliant Reloder-19
<<locked>>
81%
44019
69%
**23
98%
Alliant Reloder-22
<<locked>>
81%
39755
62%
**74
97%
Alliant Reloder-23
<<locked>>
81%
38392
60%
**25
100%
Alliant Reloder-25
<<locked>>
81%
33040
52%
**33
98%
Alliant Reloder-26
<<locked>>
81%
42569
67%
**79
100%
[Alliant Reloder-33]*
<<locked>>
91%
37608
59%
**74
90%
[Hodgdon H1000]*
<<locked>>
82%
29979
47%
**02
90%
Hodgdon H4350
<<locked>>
81%
47572
75%
**36
99%
[Hodgdon H4831]*
<<locked>>
81%
36941
58%
**49
94%
Hodgdon H4831 SC
<<locked>>
81%
41162
65%
**48
95%
Hodgdon Hybrid 100V
<<locked>>
81%
47485
74%
**26
100%
[Hodgdon Retumbo]*
<<locked>>
81%
26556
42%
**36
92%
Hodgdon TrailBoss
<<locked>>
81%
28456
45%
**57
100%
IMR 4350
<<locked>>
81%
49617
78%
**82
100%
IMR 4831
<<locked>>
81%
45310
71%
**07
100%
IMR 4955 Enduron
<<locked>>
81%
40741
64%
**08
95%
IMR 7828 SSC
<<locked>>
81%
40408
63%
**94
96%
[IMR 7977 Enduron]*
<<locked>>
91%
46963
74%
**87
90%
[IMR 8133 Enduron]*
<<locked>>
87%
29312
46%
**38
90%
Lovex S070
<<locked>>
81%
51677
81%
**12
100%
Lovex S071
<<locked>>
81%
34084
53%
**67
98%
Norma 204
<<locked>>
81%
50357
79%
**31
99%
[Norma 217]*
<<locked>>
83%
25614
40%
**26
90%
Norma MRP
<<locked>>
81%
41655
65%
**30
99%
Norma URP
<<locked>>
81%
51372
80%
**31
100%
Ramshot Hunter
<<locked>>
81%
50386
79%
**31
100%
Ramshot Magnum
<<locked>>
81%
36883
58%
**05
97%
ReloadSwiss RS 14
<<locked>>
81%
29254
46%
**96
100%
ReloadSwiss RS 62
<<locked>>
81%
52823
83%
**67
100%
ReloadSwiss RS 70
<<locked>>
81%
51039
80%
**87
100%
ReloadSwiss RS 76
<<locked>>
81%
31386
49%
**23
95%
[ReloadSwiss RS 80]*
<<locked>>
85%
32184
50%
**33
90%
Rottweil R 904
<<locked>>
81%
45107
71%
**07
97%
Rottweil R 905
<<locked>>
81%
43207
68%
**10
98%
SNPE Vectan Tubal 7000
<<locked>>
81%
52214
82%
**69
100%
Somchem S361
<<locked>>
81%
45803
72%
**97
97%
Somchem S365
<<locked>>
81%
48559
76%
**82
100%
Somchem S385
<<locked>>
81%
43903
69%
**87
99%
Vihtavuori N150
<<locked>>
81%
50937
80%
**26
100%
Vihtavuori N165
<<locked>>
81%
37014
58%
**39
97%
[Vihtavuori N170]*
<<locked>>
93%
41452
65%
**41
90%
Vihtavuori N555
<<locked>>
81%
42656
67%
**97
100%
Vihtavuori N560
<<locked>>
81%
39610
62%
**87
95%
[Vihtavuori N565]*
<<locked>>
81%
34432
54%
**36
93%
[Vihtavuori N568]*
<<locked>>
84%
33605
53%
**49
90%
[Vihtavuori N570]*
<<locked>>
90%
38566
60%
**03
90%
Winchester 6.5 StaBALL
<<locked>>
81%
52243
82%
**85
100%
Winchester StaBALL HD
<<locked>>
81%
35230
55%
**57
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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