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Load data for 7 x 66 SE v. Hofe + .284 | 120gr | Sierra SPT Pro-Hunter

Recommended Powder(s): Alliant Reloder-26, Hodgdon Superperformance, IMR 4831, Ramshot Hunter, ReloadSwiss RS 70

7 x 66 SE v. Hofe + .284 | 120gr | Sierra SPT Pro-Hunter

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 120gr | Sierra SPT Pro-Hunter
Manufacturer SKU:
1900
Bullet Weight:
120gr | 7.8g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
0.900" | 22.9mm
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:
0.241" | 6.1mm
Shank Seated Depth:
0.241" | 6.1mm
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_B5835_C1097
Last updated:
2025-02-02

Load data for 174 loads in caliber 7 x 66 SE v. Hofe with .284 | 120gr | Sierra SPT Pro-Hunter bullet and 87 powders such as Alliant Reloder-26, Hodgdon Superperformance, IMR 4831, Ramshot Hunter, ReloadSwiss RS 70. 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>>
87%
63309
99%
**60
100%
ADI AR 2209
<<locked>>
97%
63483
99%
**42
99%
ADI AR 2213
<<locked>>
97%
57406
90%
**79
97%
[ADI AR 2217]*
<<locked>>
97%
41307
65%
**12
92%
[ADI AR 2225]*
<<locked>>
97%
36970
58%
**46
94%
Accurate 2700
<<locked>>
87%
63454
99%
**17
99%
Accurate 3100
<<locked>>
97%
56768
89%
**74
100%
Accurate 4064
<<locked>>
84%
63280
99%
**10
100%
Accurate 4350
<<locked>>
91%
63744
100%
**12
100%
Accurate MAGPRO
<<locked>>
97%
56666
89%
**63
95%
Alliant Reloder- TS 15.5
<<locked>>
86%
63686
100%
**63
100%
Alliant Reloder-15
<<locked>>
84%
63092
99%
**79
100%
Alliant Reloder-16
<<locked>>
93%
63338
99%
**65
100%
Alliant Reloder-17
<<locked>>
88%
63527
100%
**48
100%
Alliant Reloder-19
<<locked>>
97%
62265
98%
**28
99%
Alliant Reloder-22
<<locked>>
97%
56927
89%
**63
98%
Alliant Reloder-23
<<locked>>
97%
53679
84%
**84
100%
Alliant Reloder-25
<<locked>>
97%
46717
73%
**99
99%
Alliant Reloder-26 👍
<<locked>>
97%
63019
99%
**17
100%
Hodgdon CFE223
<<locked>>
84%
63570
100%
**09
100%
[Hodgdon H1000]*
<<locked>>
97%
41307
65%
**12
92%
Hodgdon H380
<<locked>>
85%
63715
100%
**79
100%
Hodgdon H414
<<locked>>
88%
63527
100%
**35
100%
Hodgdon H4350
<<locked>>
95%
63179
99%
**73
99%
Hodgdon H4831
<<locked>>
97%
52692
83%
**22
95%
Hodgdon H4831 SC
<<locked>>
97%
60060
94%
**56
97%
Hodgdon Hybrid 100V
<<locked>>
95%
63570
100%
**69
100%
Hodgdon LVR
<<locked>>
90%
63150
99%
**09
100%
[Hodgdon Retumbo]*
<<locked>>
97%
36970
58%
**46
94%
Hodgdon Superperformance 👍
<<locked>>
90%
63701
100%
**61
100%
Hodgdon VARGET
<<locked>>
87%
63309
99%
**60
100%
Hodgdon TrailBoss
<<locked>>
96%
35041
55%
**80
100%
IMR 3031
<<locked>>
83%
63454
99%
**20
100%
IMR 4064
<<locked>>
88%
63686
100%
**53
100%
IMR 4166 Enduron
<<locked>>
88%
63498
99%
**50
100%
IMR 4350
<<locked>>
93%
63193
99%
**69
99%
IMR 4451 Enduron
<<locked>>
89%
63527
100%
**69
100%
IMR 4831 👍
<<locked>>
97%
63396
99%
**89
100%
IMR 4895
<<locked>>
83%
63309
99%
**89
100%
IMR 4955 Enduron
<<locked>>
97%
58015
91%
**84
97%
IMR 7828 SSC
<<locked>>
97%
58624
92%
**15
97%
Lovex S062
<<locked>>
85%
63295
99%
**33
100%
Lovex S065
<<locked>>
91%
63353
99%
**66
100%
Lovex S070
<<locked>>
92%
63512
100%
**76
100%
Lovex S071
<<locked>>
97%
47529
74%
**07
98%
Norma 203B
<<locked>>
84%
63164
99%
**76
100%
Norma 204
<<locked>>
92%
63121
99%
**09
99%
Norma MRP
<<locked>>
97%
60872
95%
**58
100%
Norma URP
<<locked>>
92%
63788
100%
**25
100%
Ramshot Big Game
<<locked>>
84%
63338
99%
**89
100%
Ramshot Hunter 👍
<<locked>>
93%
63817
100%
**38
100%
Ramshot Magnum
<<locked>>
97%
55999
88%
**23
99%
ReloadSwiss RS 14
<<locked>>
96%
35694
56%
**29
100%
ReloadSwiss RS 50
<<locked>>
85%
63222
99%
**63
100%
ReloadSwiss RS 52
<<locked>>
84%
63382
99%
**86
100%
ReloadSwiss RS 60
<<locked>>
89%
62932
99%
**65
100%
ReloadSwiss RS 62
<<locked>>
91%
63817
100%
**38
100%
ReloadSwiss RS 70 👍
<<locked>>
92%
63672
100%
**91
100%
ReloadSwiss RS 76
<<locked>>
97%
45585
71%
**12
97%
Rottweil R 902
<<locked>>
84%
63643
100%
**17
100%
Rottweil R 903
<<locked>>
87%
63092
99%
**46
100%
Rottweil R 904
<<locked>>
96%
63338
99%
**96
98%
Rottweil R 905
<<locked>>
97%
62308
98%
**19
99%
Rottweil R 907
<<locked>>
90%
63556
100%
**73
100%
SNPE Vectan SP 11
<<locked>>
86%
63425
99%
**96
100%
SNPE Vectan Tubal 5000
<<locked>>
87%
63266
99%
**15
100%
SNPE Vectan Tubal 7000
<<locked>>
91%
63512
100%
**20
100%
Shooters World Long Rifle
<<locked>>
91%
63353
99%
**66
100%
Shooters World Precision
<<locked>>
85%
63295
99%
**33
100%
Somchem S355
<<locked>>
88%
63295
99%
**56
100%
Somchem S361
<<locked>>
95%
63715
100%
**40
98%
Somchem S365
<<locked>>
94%
63759
100%
**12
100%
Somchem S385
<<locked>>
97%
63208
99%
**92
100%
Vihtavuori N133
<<locked>>
84%
63440
99%
**12
100%
Vihtavuori N135
<<locked>>
89%
63251
99%
**48
100%
Vihtavuori N140
<<locked>>
84%
63585
100%
**78
100%
Vihtavuori N150
<<locked>>
93%
63353
99%
**97
100%
Vihtavuori N160
<<locked>>
90%
63367
99%
**76
100%
Vihtavuori N165
<<locked>>
97%
52228
82%
**86
98%
Vihtavuori N540
<<locked>>
84%
63164
99%
**94
100%
Vihtavuori N550
<<locked>>
89%
63222
99%
**15
100%
Vihtavuori N555
<<locked>>
97%
59727
94%
**79
100%
Vihtavuori N560
<<locked>>
97%
57203
90%
**99
97%
Vihtavuori N565
<<locked>>
97%
48646
76%
**02
95%
Winchester 6.5 StaBALL
<<locked>>
91%
63469
99%
**27
100%
Winchester 760
<<locked>>
88%
63527
100%
**35
100%
Winchester StaBALL HD
<<locked>>
97%
50705
79%
**53
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
52910
83%
**86
100%
[ADI AR 2209]*
<<locked>>
81%
37144
58%
**00
92%
[ADI AR 2213]*
<<locked>>
85%
37637
59%
**33
90%
[ADI AR 2217]*
<<locked>>
94%
37739
59%
**17
90%
[ADI AR 2225]*
<<locked>>
92%
31546
49%
**82
90%
Accurate 2700
<<locked>>
81%
51111
80%
**97
98%
[Accurate 3100]*
<<locked>>
81%
32764
51%
**49
94%
Accurate 4064
<<locked>>
81%
56768
89%
**05
100%
Accurate 4350
<<locked>>
81%
44251
69%
**64
99%
[Accurate MAGPRO]*
<<locked>>
89%
42728
67%
**74
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
53635
84%
**02
100%
Alliant Reloder-15
<<locked>>
81%
57450
90%
**87
100%
Alliant Reloder-16
<<locked>>
81%
42409
66%
**68
99%
Alliant Reloder-17
<<locked>>
81%
49037
77%
**22
100%
[Alliant Reloder-19]*
<<locked>>
81%
36999
58%
**97
92%
[Alliant Reloder-22]*
<<locked>>
82%
33707
53%
**38
90%
Alliant Reloder-23
<<locked>>
81%
31502
49%
**85
97%
[Alliant Reloder-25]*
<<locked>>
81%
27905
44%
**64
90%
Alliant Reloder-26
<<locked>>
81%
34447
54%
**17
96%
Hodgdon CFE223
<<locked>>
81%
57464
90%
**20
100%
[Hodgdon H1000]*
<<locked>>
94%
37739
59%
**17
90%
Hodgdon H380
<<locked>>
81%
55114
86%
**48
100%
Hodgdon H414
<<locked>>
81%
50270
79%
**02
98%
Hodgdon H4350
<<locked>>
81%
40799
64%
**40
95%
[Hodgdon H4831]*
<<locked>>
88%
38711
61%
**13
90%
[Hodgdon H4831 SC]*
<<locked>>
84%
38435
60%
**10
90%
Hodgdon Hybrid 100V
<<locked>>
81%
39914
63%
**46
99%
Hodgdon LVR
<<locked>>
81%
46775
73%
**27
99%
[Hodgdon Retumbo]*
<<locked>>
92%
31546
49%
**82
90%
Hodgdon Superperformance
<<locked>>
81%
45658
72%
**40
97%
Hodgdon VARGET
<<locked>>
81%
52286
82%
**73
100%
Hodgdon TrailBoss
<<locked>>
81%
27876
44%
**09
100%
IMR 3031
<<locked>>
81%
58769
92%
**68
100%
IMR 4064
<<locked>>
81%
51750
81%
**53
100%
IMR 4166 Enduron
<<locked>>
81%
50560
79%
**23
98%
IMR 4350
<<locked>>
81%
42859
67%
**92
96%
IMR 4451 Enduron
<<locked>>
81%
48921
77%
**10
98%
IMR 4831
<<locked>>
81%
38261
60%
**13
98%
IMR 4895
<<locked>>
81%
58900
92%
**23
100%
[IMR 4955 Enduron]*
<<locked>>
83%
37507
59%
**51
90%
[IMR 7828 SSC]*
<<locked>>
84%
37869
59%
**49
90%
Lovex S062
<<locked>>
81%
56072
88%
**25
100%
Lovex S065
<<locked>>
81%
46456
73%
**51
98%
Lovex S070
<<locked>>
81%
44715
70%
**41
97%
[Lovex S071]*
<<locked>>
81%
28166
44%
**12
91%
Norma 203B
<<locked>>
81%
56652
89%
**68
100%
[Norma 204]*
<<locked>>
81%
42656
67%
**15
94%
[Norma MRP]*
<<locked>>
81%
34258
54%
**84
92%
Norma URP
<<locked>>
81%
43685
68%
**61
99%
Ramshot Big Game
<<locked>>
81%
58088
91%
**01
100%
Ramshot Hunter
<<locked>>
81%
42467
67%
**38
97%
[Ramshot Magnum]*
<<locked>>
82%
32039
50%
**69
90%
ReloadSwiss RS 14
<<locked>>
81%
28529
45%
**55
100%
ReloadSwiss RS 50
<<locked>>
81%
54839
86%
**32
99%
ReloadSwiss RS 52
<<locked>>
81%
57377
90%
**94
100%
ReloadSwiss RS 60
<<locked>>
81%
47355
74%
**12
100%
ReloadSwiss RS 62
<<locked>>
81%
44222
69%
**84
99%
ReloadSwiss RS 70
<<locked>>
81%
42801
67%
**04
98%
[ReloadSwiss RS 76]*
<<locked>>
87%
32358
51%
**25
90%
Rottweil R 902
<<locked>>
81%
57798
91%
**32
100%
Rottweil R 903
<<locked>>
81%
51590
81%
**66
100%
[Rottweil R 904]*
<<locked>>
81%
38392
60%
**84
91%
[Rottweil R 905]*
<<locked>>
81%
36274
57%
**81
92%
Rottweil R 907
<<locked>>
81%
47514
74%
**81
97%
SNPE Vectan SP 11
<<locked>>
81%
52953
83%
**19
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
51967
81%
**48
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
45629
72%
**89
97%
Shooters World Long Rifle
<<locked>>
81%
46456
73%
**51
98%
Shooters World Precision
<<locked>>
81%
56072
88%
**25
100%
Somchem S355
<<locked>>
81%
51488
81%
**69
100%
[Somchem S361]*
<<locked>>
81%
39450
62%
**74
91%
Somchem S365
<<locked>>
81%
40306
63%
**05
100%
[Somchem S385]*
<<locked>>
81%
36970
58%
**61
93%
Vihtavuori N133
<<locked>>
81%
57595
90%
**33
100%
Vihtavuori N135
<<locked>>
81%
49879
78%
**51
100%
Vihtavuori N140
<<locked>>
81%
57682
90%
**96
100%
Vihtavuori N150
<<locked>>
81%
44164
69%
**89
100%
Vihtavuori N160
<<locked>>
81%
46920
74%
**87
99%
[Vihtavuori N165]*
<<locked>>
81%
31430
49%
**07
90%
Vihtavuori N540
<<locked>>
81%
57522
90%
**15
100%
Vihtavuori N550
<<locked>>
81%
47761
75%
**50
99%
Vihtavuori N555
<<locked>>
81%
35360
55%
**81
97%
[Vihtavuori N560]*
<<locked>>
85%
38522
60%
**79
90%
[Vihtavuori N565]*
<<locked>>
89%
37521
59%
**36
90%
Winchester 6.5 StaBALL
<<locked>>
81%
44295
69%
**18
100%
Winchester 760
<<locked>>
81%
50270
79%
**02
98%
Winchester StaBALL HD
<<locked>>
81%
26179
41%
**46
96%

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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