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Load data for 7 x 66 SE v. Hofe + .284 | 130gr | Sierra SP SSPistol

Recommended Powder(s): Alliant Reloder-23, Alliant Reloder-26, Somchem S385, Vihtavuori N555, Winchester StaBALL HD

7 x 66 SE v. Hofe + .284 | 130gr | Sierra SP SSPistol

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 130gr | Sierra SP SSPistol
Manufacturer SKU:
7250
Bullet Weight:
130gr | 8.4g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.040" | 26.4mm
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:
0.381" | 9.7mm
Shank Seated Depth:
0.381" | 9.7mm
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_B5837_C1097
Last updated:
2025-01-01

Load data for 140 loads in caliber 7 x 66 SE v. Hofe with .284 | 130gr | Sierra SP SSPistol bullet and 70 powders such as Alliant Reloder-23, Alliant Reloder-26, Somchem S385, 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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    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>>
93%
56753
89%
**25
99%
ADI AR 2213
<<locked>>
96%
56884
89%
**71
98%
[ADI AR 2217]*
<<locked>>
97%
43163
68%
**72
94%
ADI AR 2225
<<locked>>
97%
38247
60%
**13
96%
Accurate 2700
<<locked>>
84%
57276
90%
**07
99%
Accurate 3100
<<locked>>
96%
57363
90%
**76
100%
Accurate 4350
<<locked>>
87%
57058
89%
**99
100%
Accurate MAGPRO
<<locked>>
96%
57014
89%
**74
96%
Alliant Reloder-16
<<locked>>
89%
57406
90%
**51
100%
Alliant Reloder-17
<<locked>>
84%
57377
90%
**51
100%
Alliant Reloder-19
<<locked>>
93%
56971
89%
**32
99%
Alliant Reloder-22
<<locked>>
96%
56652
89%
**58
99%
Alliant Reloder-23 👍
<<locked>>
97%
55593
87%
**12
100%
Alliant Reloder-25
<<locked>>
97%
48312
76%
**43
100%
Alliant Reloder-26 👍
<<locked>>
93%
57116
89%
**04
100%
[Hodgdon H1000]*
<<locked>>
97%
43163
68%
**72
94%
Hodgdon H414
<<locked>>
84%
57406
90%
**25
100%
Hodgdon H4350
<<locked>>
91%
57174
90%
**73
99%
Hodgdon H4831
<<locked>>
97%
54346
85%
**53
96%
Hodgdon H4831 SC
<<locked>>
95%
57392
90%
**05
97%
Hodgdon Hybrid 100V
<<locked>>
91%
57000
89%
**59
100%
Hodgdon LVR
<<locked>>
86%
57261
90%
**05
100%
Hodgdon Retumbo
<<locked>>
97%
38247
60%
**13
96%
Hodgdon Superperformance
<<locked>>
86%
56782
89%
**38
99%
Hodgdon TrailBoss
<<locked>>
96%
35012
55%
**95
100%
IMR 4064
<<locked>>
83%
57217
90%
**46
100%
IMR 4166 Enduron
<<locked>>
84%
57232
90%
**40
100%
IMR 4350
<<locked>>
89%
57305
90%
**76
99%
IMR 4451 Enduron
<<locked>>
85%
57014
89%
**63
99%
IMR 4831
<<locked>>
92%
56855
89%
**86
100%
IMR 4955 Enduron
<<locked>>
96%
57334
90%
**73
97%
IMR 7828 SSC
<<locked>>
95%
56898
89%
**84
98%
Lovex S065
<<locked>>
87%
57348
90%
**59
100%
Lovex S070
<<locked>>
88%
56768
89%
**73
100%
Lovex S071
<<locked>>
97%
49356
77%
**41
99%
Norma 204
<<locked>>
88%
57116
89%
**05
98%
[Norma 217]*
<<locked>>
97%
33939
53%
**18
93%
Norma MRP
<<locked>>
94%
56782
89%
**87
100%
Norma URP
<<locked>>
88%
56753
89%
**05
100%
Ramshot Hunter
<<locked>>
89%
57305
90%
**28
100%
Ramshot Magnum
<<locked>>
96%
56492
89%
**38
99%
ReloadSwiss RS 14
<<locked>>
96%
36013
56%
**47
100%
ReloadSwiss RS 60
<<locked>>
85%
56855
89%
**58
100%
ReloadSwiss RS 62
<<locked>>
87%
57188
90%
**19
100%
ReloadSwiss RS 70
<<locked>>
88%
57421
90%
**81
100%
ReloadSwiss RS 76
<<locked>>
97%
47384
74%
**73
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
42902
67%
**35
93%
Rottweil R 903
<<locked>>
83%
57261
90%
**46
100%
Rottweil R 904
<<locked>>
92%
56855
89%
**79
98%
Rottweil R 905
<<locked>>
93%
57101
89%
**25
99%
Rottweil R 907
<<locked>>
86%
56782
89%
**59
99%
SNPE Vectan Tubal 5000
<<locked>>
83%
56942
89%
**18
100%
SNPE Vectan Tubal 7000
<<locked>>
87%
57159
90%
**14
100%
Shooters World Long Rifle
<<locked>>
87%
57348
90%
**59
100%
Somchem S355
<<locked>>
83%
56985
89%
**50
100%
Somchem S361
<<locked>>
91%
57159
90%
**36
97%
Somchem S365
<<locked>>
90%
56985
89%
**02
100%
Somchem S385 👍
<<locked>>
93%
57217
90%
**89
99%
Vihtavuori N135
<<locked>>
84%
56855
89%
**45
100%
Vihtavuori N150
<<locked>>
88%
57261
90%
**00
100%
Vihtavuori N160
<<locked>>
86%
57348
90%
**66
100%
Vihtavuori N165
<<locked>>
97%
54534
85%
**23
99%
Vihtavuori N550
<<locked>>
86%
57217
90%
**12
100%
Vihtavuori N555 👍
<<locked>>
94%
57072
89%
**25
100%
Vihtavuori N560
<<locked>>
96%
56739
89%
**74
97%
Vihtavuori N565
<<locked>>
97%
50589
79%
**46
96%
[Vihtavuori N568]*
<<locked>>
97%
44092
69%
**48
92%
Winchester 6.5 StaBALL
<<locked>>
87%
56869
89%
**20
100%
Winchester 760
<<locked>>
84%
57406
90%
**25
100%
Winchester StaBALL HD 👍
<<locked>>
97%
53301
84%
**91
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2209]*
<<locked>>
81%
38377
60%
**44
94%
[ADI AR 2213]*
<<locked>>
82%
35476
56%
**89
90%
[ADI AR 2217]*
<<locked>>
91%
35520
56%
**69
90%
[ADI AR 2225]*
<<locked>>
89%
29820
47%
**44
90%
Accurate 2700
<<locked>>
81%
52605
82%
**35
99%
Accurate 3100
<<locked>>
81%
34272
54%
**03
95%
Accurate 4350
<<locked>>
81%
46122
72%
**02
100%
[Accurate MAGPRO]*
<<locked>>
86%
40001
63%
**13
90%
Alliant Reloder-16
<<locked>>
81%
44092
69%
**15
100%
Alliant Reloder-17
<<locked>>
81%
50952
80%
**43
100%
[Alliant Reloder-19]*
<<locked>>
81%
38464
60%
**44
94%
[Alliant Reloder-22]*
<<locked>>
81%
34098
53%
**66
92%
Alliant Reloder-23
<<locked>>
81%
32648
51%
**30
98%
[Alliant Reloder-25]*
<<locked>>
81%
28543
45%
**05
92%
Alliant Reloder-26
<<locked>>
81%
35723
56%
**67
97%
[Hodgdon H1000]*
<<locked>>
91%
35520
56%
**69
90%
Hodgdon H414
<<locked>>
81%
51953
81%
**30
99%
Hodgdon H4350
<<locked>>
81%
41887
66%
**71
96%
[Hodgdon H4831]*
<<locked>>
85%
36738
58%
**76
90%
[Hodgdon H4831 SC]*
<<locked>>
82%
36738
58%
**76
90%
Hodgdon Hybrid 100V
<<locked>>
81%
41524
65%
**90
100%
Hodgdon LVR
<<locked>>
81%
48385
76%
**54
100%
[Hodgdon Retumbo]*
<<locked>>
89%
29820
47%
**44
90%
Hodgdon Superperformance
<<locked>>
81%
47253
74%
**68
98%
Hodgdon TrailBoss
<<locked>>
81%
28166
44%
**34
100%
IMR 4064
<<locked>>
81%
53258
83%
**77
100%
IMR 4166 Enduron
<<locked>>
81%
52011
82%
**54
99%
IMR 4350
<<locked>>
81%
44063
69%
**23
97%
IMR 4451 Enduron
<<locked>>
81%
50415
79%
**48
99%
IMR 4831
<<locked>>
81%
39740
62%
**48
99%
[IMR 4955 Enduron]*
<<locked>>
81%
36187
57%
**26
90%
[IMR 7828 SSC]*
<<locked>>
82%
35969
56%
**05
90%
Lovex S065
<<locked>>
81%
47601
75%
**76
99%
Lovex S070
<<locked>>
81%
45934
72%
**69
98%
[Lovex S071]*
<<locked>>
81%
29385
46%
**62
93%
Norma 204
<<locked>>
81%
44106
69%
**59
96%
[Norma 217]*
<<locked>>
93%
30182
47%
**94
90%
[Norma MRP]*
<<locked>>
81%
35679
56%
**31
94%
Norma URP
<<locked>>
81%
45121
71%
**82
99%
Ramshot Hunter
<<locked>>
81%
43961
69%
**79
98%
[Ramshot Magnum]*
<<locked>>
81%
31517
49%
**71
91%
ReloadSwiss RS 14
<<locked>>
81%
28601
45%
**73
100%
ReloadSwiss RS 60
<<locked>>
81%
48950
77%
**30
100%
ReloadSwiss RS 62
<<locked>>
81%
45963
72%
**18
99%
ReloadSwiss RS 70
<<locked>>
81%
44208
69%
**28
99%
[ReloadSwiss RS 76]*
<<locked>>
85%
30618
48%
**03
90%
[ReloadSwiss RS 80]*
<<locked>>
94%
38609
60%
**23
90%
Rottweil R 903
<<locked>>
81%
53142
83%
**87
100%
[Rottweil R 904]*
<<locked>>
81%
39871
62%
**25
93%
[Rottweil R 905]*
<<locked>>
81%
37492
59%
**25
94%
Rottweil R 907
<<locked>>
81%
48878
77%
**05
98%
SNPE Vectan Tubal 5000
<<locked>>
81%
53388
84%
**63
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
46673
73%
**17
98%
Shooters World Long Rifle
<<locked>>
81%
47601
75%
**76
99%
Somchem S355
<<locked>>
81%
52765
83%
**81
100%
[Somchem S361]*
<<locked>>
81%
40596
64%
**12
92%
Somchem S365
<<locked>>
81%
41771
65%
**36
100%
Somchem S385
<<locked>>
81%
38232
60%
**05
95%
Vihtavuori N135
<<locked>>
81%
51256
80%
**63
100%
Vihtavuori N150
<<locked>>
81%
45585
71%
**04
100%
Vihtavuori N160
<<locked>>
81%
48443
76%
**18
100%
[Vihtavuori N165]*
<<locked>>
81%
32068
50%
**35
92%
Vihtavuori N550
<<locked>>
81%
49284
77%
**68
100%
Vihtavuori N555
<<locked>>
81%
36608
57%
**22
98%
[Vihtavuori N560]*
<<locked>>
83%
36492
57%
**31
90%
[Vihtavuori N565]*
<<locked>>
87%
35418
55%
**92
90%
[Vihtavuori N568]*
<<locked>>
94%
40103
63%
**49
90%
Winchester 6.5 StaBALL
<<locked>>
81%
45992
72%
**46
100%
Winchester 760
<<locked>>
81%
51953
81%
**30
99%
Winchester StaBALL HD
<<locked>>
81%
27833
44%
**10
98%

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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