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Load data for 9.5 x 66 SE v. Hofe + .375 | 285gr | Speer Grand Slam

Recommended Powder(s): Accurate 4350, Alliant Reloder-16, Hodgdon LVR, ReloadSwiss RS 62, Vihtavuori N550

9.5 x 66 SE v. Hofe + .375 | 285gr | Speer Grand Slam

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 285gr | Speer Grand Slam
Manufacturer SKU:
2473
Bullet Weight:
285gr | 18.5g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.220" | 31.0mm
Caliber:
9.5 x 66 SE v. Hofe load data
Case Length (l3):
2.598" | 66.0mm
Cartridge Length (C.O.L.):
3.300" | 83.8mm
Seated Depth:
0.518" | 13.2mm
Shank Seated Depth:
0.518" | 13.2mm
Case Capacity:
106.0 Grains of Water | 6.88 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B6246_C1276
Last updated:
2025-01-01

Load data for 192 loads in caliber 9.5 x 66 SE v. Hofe with .375 | 285gr | Speer Grand Slam bullet and 96 powders such as Accurate 4350, Alliant Reloder-16, Hodgdon LVR, ReloadSwiss RS 62, 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 2206H
<<locked>>
86%
56927
89%
**31
100%
ADI AR 2208
<<locked>>
92%
56956
89%
**25
100%
ADI AR 2209
<<locked>>
97%
46311
73%
**36
95%
Accurate 2200
<<locked>>
85%
56956
89%
**02
100%
Accurate 2495
<<locked>>
85%
56840
89%
**79
100%
Accurate 2520
<<locked>>
84%
56855
89%
**12
100%
Accurate 2700
<<locked>>
93%
57348
90%
**82
98%
Accurate 3100
<<locked>>
97%
38798
61%
**95
96%
Accurate 4064
<<locked>>
90%
56956
89%
**08
100%
Accurate 4350 👍
<<locked>>
97%
53998
85%
**54
100%
Alliant AR-Comp
<<locked>>
84%
57072
89%
**52
100%
Alliant Reloder- TS 15.5
<<locked>>
91%
56884
89%
**41
100%
Alliant Reloder-15
<<locked>>
89%
56797
89%
**54
100%
Alliant Reloder-16 👍
<<locked>>
97%
51837
81%
**54
100%
Alliant Reloder-17
<<locked>>
95%
57072
89%
**43
100%
Alliant Reloder-19
<<locked>>
97%
45107
71%
**20
95%
[Alliant Reloder-22]*
<<locked>>
97%
39639
62%
**54
93%
Alliant Reloder-23
<<locked>>
97%
37144
58%
**21
99%
[Alliant Reloder-25]*
<<locked>>
97%
33170
52%
**20
94%
Alliant Reloder-26
<<locked>>
97%
41365
65%
**66
98%
Baschieri & Pellagri 107
<<locked>>
86%
56739
89%
**54
100%
Hodgdon BL-C2
<<locked>>
85%
57217
90%
**51
100%
Hodgdon Benchmark
<<locked>>
84%
57043
89%
**62
100%
Hodgdon CFE223
<<locked>>
90%
57377
90%
**94
100%
Hodgdon H380
<<locked>>
91%
57145
90%
**51
100%
Hodgdon H414
<<locked>>
94%
57029
89%
**10
99%
Hodgdon H4350
<<locked>>
97%
50053
78%
**46
97%
Hodgdon Hybrid 100V
<<locked>>
97%
48834
77%
**56
100%
Hodgdon LVR 👍
<<locked>>
96%
57174
90%
**94
100%
Hodgdon Superperformance
<<locked>>
96%
57072
89%
**36
99%
Hodgdon VARGET
<<locked>>
92%
57217
90%
**25
100%
IMR 3031
<<locked>>
89%
57319
90%
**12
100%
IMR 4064
<<locked>>
93%
57348
90%
**15
100%
IMR 4166 Enduron
<<locked>>
93%
57087
89%
**98
99%
IMR 4350
<<locked>>
97%
53417
84%
**95
98%
IMR 4451 Enduron
<<locked>>
94%
57014
89%
**25
99%
IMR 4831
<<locked>>
97%
46137
72%
**20
99%
IMR 4895
<<locked>>
88%
56927
89%
**57
100%
[IMR 4955 Enduron]*
<<locked>>
97%
43323
68%
**25
92%
IMR 8208 XBR
<<locked>>
85%
56927
89%
**98
100%
Lovex D073.6
<<locked>>
86%
57000
89%
**08
100%
Lovex S060
<<locked>>
87%
57145
90%
**75
100%
Lovex S062
<<locked>>
90%
57261
90%
**08
100%
Lovex S065
<<locked>>
97%
57435
90%
**35
99%
Lovex S070
<<locked>>
97%
55317
87%
**21
99%
[Lovex S071]*
<<locked>>
97%
32445
51%
**60
94%
Norma 201
<<locked>>
87%
57000
89%
**02
100%
Norma 202
<<locked>>
87%
57043
89%
**92
100%
Norma 203B
<<locked>>
90%
57305
90%
**51
100%
Norma 204
<<locked>>
97%
53838
84%
**38
97%
Norma MRP
<<locked>>
97%
41292
65%
**20
95%
Norma URP
<<locked>>
97%
53388
84%
**48
100%
Ramshot Big Game
<<locked>>
89%
57029
89%
**67
100%
Ramshot Hunter
<<locked>>
97%
52214
82%
**48
99%
[Ramshot Magnum]*
<<locked>>
97%
37652
59%
**85
92%
Ramshot TAC
<<locked>>
85%
57406
90%
**28
100%
Ramshot Wild Boar
<<locked>>
85%
56797
89%
**35
100%
ReloadSwiss RS 50
<<locked>>
91%
57087
89%
**35
99%
ReloadSwiss RS 52
<<locked>>
90%
57101
89%
**71
100%
ReloadSwiss RS 60
<<locked>>
96%
57174
90%
**62
100%
ReloadSwiss RS 62 👍
<<locked>>
97%
53519
84%
**71
100%
ReloadSwiss RS 70
<<locked>>
97%
53287
84%
**00
100%
Rottweil R 901
<<locked>>
84%
57217
90%
**66
100%
Rottweil R 902
<<locked>>
89%
56985
89%
**92
100%
Rottweil R 903
<<locked>>
93%
56971
89%
**38
100%
[Rottweil R 904]*
<<locked>>
97%
48051
75%
**20
94%
Rottweil R 905
<<locked>>
97%
44179
69%
**10
95%
Rottweil R 907
<<locked>>
95%
57043
89%
**25
98%
SNPE Vectan SP 11
<<locked>>
92%
57101
89%
**74
100%
SNPE Vectan SP 7
<<locked>>
85%
56956
89%
**21
100%
SNPE Vectan SP 9
<<locked>>
87%
56797
89%
**25
100%
SNPE Vectan Tubal 3000
<<locked>>
86%
57043
89%
**16
100%
SNPE Vectan Tubal 5000
<<locked>>
92%
56913
89%
**16
100%
SNPE Vectan Tubal 7000
<<locked>>
96%
57188
90%
**85
99%
Shooters World Long Rifle
<<locked>>
97%
57435
90%
**35
99%
Shooters World Match Rifle
<<locked>>
86%
57000
89%
**08
100%
Shooters World Precision
<<locked>>
90%
57261
90%
**08
100%
Somchem S335
<<locked>>
87%
57203
90%
**30
100%
Somchem S341
<<locked>>
86%
57334
90%
**21
100%
Somchem S355
<<locked>>
93%
57276
90%
**41
100%
[Somchem S361]*
<<locked>>
97%
49371
77%
**07
93%
Somchem S365
<<locked>>
97%
48037
75%
**05
100%
Somchem S385
<<locked>>
97%
44947
70%
**97
96%
Vihtavuori N133
<<locked>>
88%
56782
89%
**00
100%
Vihtavuori N135
<<locked>>
94%
57116
89%
**59
100%
Vihtavuori N140
<<locked>>
89%
57029
89%
**62
100%
Vihtavuori N150
<<locked>>
97%
54708
86%
**69
100%
Vihtavuori N160
<<locked>>
96%
57145
90%
**54
100%
[Vihtavuori N165]*
<<locked>>
97%
37391
59%
**36
93%
Vihtavuori N530
<<locked>>
83%
57334
90%
**08
100%
Vihtavuori N540
<<locked>>
89%
57116
89%
**98
100%
Vihtavuori N550 👍
<<locked>>
96%
56797
89%
**94
100%
Vihtavuori N555
<<locked>>
97%
41176
65%
**93
99%
Winchester 6.5 StaBALL
<<locked>>
97%
55622
87%
**15
100%
Winchester 760
<<locked>>
94%
57029
89%
**10
99%
Winchester StaBALL HD
<<locked>>
97%
33286
52%
**21
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
48443
76%
**10
100%
ADI AR 2208
<<locked>>
81%
41249
65%
**75
99%
[ADI AR 2209]*
<<locked>>
88%
34621
54%
**93
90%
Accurate 2200
<<locked>>
81%
50633
79%
**13
99%
Accurate 2495
<<locked>>
81%
50372
79%
**00
100%
Accurate 2520
<<locked>>
81%
51198
80%
**33
100%
[Accurate 2700]*
<<locked>>
81%
39407
62%
**97
94%
[Accurate 3100]*
<<locked>>
85%
26295
41%
**06
90%
Accurate 4064
<<locked>>
81%
42511
67%
**02
100%
Accurate 4350
<<locked>>
81%
31401
49%
**51
95%
Alliant AR-Comp
<<locked>>
81%
51619
81%
**93
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
41075
64%
**98
100%
Alliant Reloder-15
<<locked>>
81%
43918
69%
**51
99%
Alliant Reloder-16
<<locked>>
81%
31807
50%
**60
95%
Alliant Reloder-17
<<locked>>
81%
35549
56%
**82
99%
[Alliant Reloder-19]*
<<locked>>
88%
34026
53%
**90
90%
[Alliant Reloder-22]*
<<locked>>
92%
33881
53%
**29
90%
[Alliant Reloder-23]*
<<locked>>
81%
23061
36%
**28
91%
[Alliant Reloder-25]*
<<locked>>
91%
28079
44%
**82
90%
[Alliant Reloder-26]*
<<locked>>
83%
26078
41%
**65
90%
Baschieri & Pellagri 107
<<locked>>
81%
47906
75%
**26
99%
Hodgdon BL-C2
<<locked>>
81%
50531
79%
**59
100%
Hodgdon Benchmark
<<locked>>
81%
52315
82%
**97
100%
Hodgdon CFE223
<<locked>>
81%
42351
66%
**64
99%
Hodgdon H380
<<locked>>
81%
41771
65%
**11
98%
[Hodgdon H414]*
<<locked>>
81%
36825
58%
**62
94%
[Hodgdon H4350]*
<<locked>>
81%
30821
48%
**65
90%
Hodgdon Hybrid 100V
<<locked>>
81%
29399
46%
**72
96%
Hodgdon LVR
<<locked>>
81%
34679
54%
**03
96%
[Hodgdon Superperformance]*
<<locked>>
81%
33040
52%
**83
91%
Hodgdon VARGET
<<locked>>
81%
40886
64%
**69
99%
IMR 3031
<<locked>>
81%
44860
70%
**44
100%
IMR 4064
<<locked>>
81%
40422
63%
**49
99%
IMR 4166 Enduron
<<locked>>
81%
40103
63%
**23
95%
[IMR 4350]*
<<locked>>
81%
32590
51%
**11
91%
[IMR 4451 Enduron]*
<<locked>>
81%
38218
60%
**10
94%
[IMR 4831]*
<<locked>>
81%
27717
43%
**42
94%
IMR 4895
<<locked>>
81%
45078
71%
**84
100%
[IMR 4955 Enduron]*
<<locked>>
94%
39581
62%
**49
90%
IMR 8208 XBR
<<locked>>
81%
50734
79%
**16
100%
Lovex D073.6
<<locked>>
81%
47747
75%
**90
100%
Lovex S060
<<locked>>
81%
48211
76%
**48
100%
Lovex S062
<<locked>>
81%
43279
68%
**05
100%
Lovex S065
<<locked>>
81%
35491
56%
**57
95%
[Lovex S070]*
<<locked>>
81%
33808
53%
**38
93%
[Lovex S071]*
<<locked>>
90%
26295
41%
**06
90%
Norma 201
<<locked>>
81%
47427
74%
**61
100%
Norma 202
<<locked>>
81%
47877
75%
**67
100%
Norma 203B
<<locked>>
81%
43424
68%
**48
99%
[Norma 204]*
<<locked>>
83%
34330
54%
**77
90%
[Norma MRP]*
<<locked>>
88%
30908
48%
**77
90%
Norma URP
<<locked>>
81%
31821
50%
**54
95%
Ramshot Big Game
<<locked>>
81%
42989
67%
**61
99%
[Ramshot Hunter]*
<<locked>>
81%
31067
49%
**31
92%
[Ramshot Magnum]*
<<locked>>
94%
33953
53%
**97
90%
Ramshot TAC
<<locked>>
81%
50633
79%
**33
99%
Ramshot Wild Boar
<<locked>>
81%
50169
79%
**43
100%
ReloadSwiss RS 50
<<locked>>
81%
42105
66%
**95
96%
ReloadSwiss RS 52
<<locked>>
81%
42322
66%
**54
100%
ReloadSwiss RS 60
<<locked>>
81%
34534
54%
**69
99%
ReloadSwiss RS 62
<<locked>>
81%
31169
49%
**60
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
31328
49%
**64
93%
Rottweil R 901
<<locked>>
81%
51663
81%
**93
100%
Rottweil R 902
<<locked>>
81%
45165
71%
**21
100%
Rottweil R 903
<<locked>>
81%
38493
60%
**49
99%
[Rottweil R 904]*
<<locked>>
89%
37115
58%
**10
90%
[Rottweil R 905]*
<<locked>>
88%
33185
52%
**77
90%
[Rottweil R 907]*
<<locked>>
81%
36666
57%
**77
93%
SNPE Vectan SP 11
<<locked>>
81%
39392
62%
**02
99%
SNPE Vectan SP 7
<<locked>>
81%
49037
77%
**07
99%
SNPE Vectan SP 9
<<locked>>
81%
46702
73%
**84
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
48936
77%
**11
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
40785
64%
**90
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
34708
54%
**11
93%
Shooters World Long Rifle
<<locked>>
81%
35491
56%
**57
95%
Shooters World Match Rifle
<<locked>>
81%
47747
75%
**90
100%
Shooters World Precision
<<locked>>
81%
43279
68%
**05
100%
Somchem S335
<<locked>>
81%
48196
76%
**11
100%
Somchem S341
<<locked>>
81%
48878
77%
**03
100%
Somchem S355
<<locked>>
81%
39044
61%
**49
99%
[Somchem S361]*
<<locked>>
91%
40089
63%
**46
90%
Somchem S365
<<locked>>
81%
28572
45%
**11
98%
[Somchem S385]*
<<locked>>
85%
30298
47%
**95
90%
Vihtavuori N133
<<locked>>
81%
45934
72%
**56
100%
Vihtavuori N135
<<locked>>
81%
38276
60%
**90
100%
Vihtavuori N140
<<locked>>
81%
44643
70%
**95
100%
Vihtavuori N150
<<locked>>
81%
33489
52%
**21
99%
Vihtavuori N160
<<locked>>
81%
34534
54%
**80
96%
[Vihtavuori N165]*
<<locked>>
92%
32184
50%
**21
90%
Vihtavuori N530
<<locked>>
81%
53374
84%
**59
100%
Vihtavuori N540
<<locked>>
81%
44396
70%
**18
100%
Vihtavuori N550
<<locked>>
81%
35186
55%
**23
96%
[Vihtavuori N555]*
<<locked>>
81%
24453
38%
**93
92%
Winchester 6.5 StaBALL
<<locked>>
81%
33025
52%
**38
98%
[Winchester 760]*
<<locked>>
81%
36825
58%
**62
94%
[Winchester StaBALL HD]*
<<locked>>
85%
22858
36%
**67
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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