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Load data for 9.5 x 66 SE v. Hofe + .375 | 300gr | Speer TBBC

Recommended Powder(s):

9.5 x 66 SE v. Hofe + .375 | 300gr | Speer TBBC

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 300gr | Speer TBBC
Manufacturer SKU:
1780
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
<<locked>>
Caliber:
9.5 x 66 SE v. Hofe load data
Case Length (l3):
2.598" | 66.0mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
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_B6249_C1276
Last updated:
2026-01-20

Load data for 202 loads in caliber 9.5 x 66 SE v. Hofe with .375 | 300gr | Speer TBBC bullet and 101 powder(s). 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".

  • No data yet

  • We recommend you limit powder range to relevant brands to speed up re-calculation of results

    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.

    .

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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%
57217
90%
**49
100%
ADI AR 2208
<<locked>>
92%
57276
90%
**39
100%
ADI AR 2209
<<locked>>
97%
46369
73%
**51
95%
Accurate 2200
<<locked>>
85%
57087
89%
**20
100%
Accurate 2495
<<locked>>
85%
56855
89%
**90
100%
Accurate 2520
<<locked>>
84%
56971
89%
**23
100%
Accurate 2700
<<locked>>
92%
57130
90%
**93
98%
Accurate 3100
<<locked>>
97%
38870
61%
**20
96%
Accurate 4064
<<locked>>
90%
56898
89%
**16
100%
Accurate 4350 👍
<<locked>>
97%
54041
85%
**69
100%
Alliant AR-Comp
<<locked>>
84%
56855
89%
**64
100%
Alliant Power Pro 2000-MR
<<locked>>
89%
57319
90%
**67
100%
Alliant Reloder- TS 15.5
<<locked>>
92%
57087
89%
**52
100%
Alliant Reloder-15
<<locked>>
89%
57276
90%
**69
100%
Alliant Reloder-16 👍
<<locked>>
97%
51851
81%
**75
100%
Alliant Reloder-17
<<locked>>
95%
56782
89%
**57
100%
Alliant Reloder-19
<<locked>>
97%
45165
71%
**38
95%
[Alliant Reloder-22]*
<<locked>>
97%
39363
62%
**75
93%
Alliant Reloder-23
<<locked>>
97%
37217
58%
**46
99%
[Alliant Reloder-25]*
<<locked>>
97%
33228
52%
**54
94%
Alliant Reloder-26
<<locked>>
97%
41162
65%
**84
98%
Baschieri & Pellagri 107
<<locked>>
86%
57058
89%
**69
100%
Bofors RP3
<<locked>>
91%
57363
90%
**59
100%
[Bofors RP5]*
<<locked>>
97%
39363
62%
**75
93%
Bofors RP7
<<locked>>
95%
57348
90%
**43
98%
Hodgdon BL-C2
<<locked>>
84%
57043
89%
**59
100%
Hodgdon Benchmark
<<locked>>
84%
56753
89%
**70
100%
Hodgdon CFE223
<<locked>>
89%
56739
89%
**02
100%
Hodgdon H380
<<locked>>
91%
57159
90%
**62
100%
Hodgdon H414
<<locked>>
94%
57232
90%
**18
99%
Hodgdon H4350
<<locked>>
97%
50125
79%
**61
97%
Hodgdon Hybrid 100V
<<locked>>
97%
48515
76%
**61
100%
Hodgdon LVR 👍
<<locked>>
96%
56985
89%
**02
100%
Hodgdon Superperformance
<<locked>>
97%
57130
90%
**51
99%
Hodgdon VARGET
<<locked>>
92%
57276
90%
**39
100%
IMR 3031
<<locked>>
88%
56797
89%
**20
100%
IMR 4064
<<locked>>
92%
57174
90%
**26
100%
IMR 4166 Enduron
<<locked>>
93%
56666
89%
**07
99%
IMR 4350
<<locked>>
97%
53287
83%
**13
98%
IMR 4451 Enduron
<<locked>>
94%
57203
90%
**39
99%
IMR 4831
<<locked>>
97%
45585
71%
**31
99%
IMR 4895
<<locked>>
88%
56840
89%
**72
100%
[IMR 4955 Enduron]*
<<locked>>
97%
43395
68%
**46
92%
IMR 8208 XBR
<<locked>>
85%
57000
89%
**13
100%
Lovex D073.6
<<locked>>
86%
56971
89%
**23
100%
Lovex S060
<<locked>>
87%
57072
89%
**90
100%
Lovex S062
<<locked>>
90%
57261
90%
**20
100%
Lovex S065
<<locked>>
96%
56913
89%
**39
100%
Lovex S070
<<locked>>
97%
54766
86%
**36
99%
[Lovex S071]*
<<locked>>
97%
32648
51%
**95
94%
Norma 201
<<locked>>
87%
57000
89%
**10
100%
Norma 202
<<locked>>
87%
57392
90%
**07
100%
Norma 203B
<<locked>>
90%
57246
90%
**69
100%
Norma 204
<<locked>>
97%
53374
84%
**46
97%
Norma MRP
<<locked>>
97%
41423
65%
**51
96%
Norma URP
<<locked>>
97%
52794
83%
**52
100%
Ramshot Big Game
<<locked>>
89%
56666
89%
**79
100%
[Ramshot Grand]*
<<locked>>
97%
43874
69%
**41
92%
Ramshot Hunter
<<locked>>
97%
51735
81%
**56
99%
[Ramshot Magnum]*
<<locked>>
97%
37492
59%
**10
92%
Ramshot TAC
<<locked>>
85%
57406
90%
**39
100%
Ramshot Wild Boar
<<locked>>
85%
57319
90%
**56
100%
ReloadSwiss RS 50
<<locked>>
91%
57319
90%
**49
99%
ReloadSwiss RS 52
<<locked>>
87%
57246
90%
**21
100%
ReloadSwiss RS 60
<<locked>>
93%
57014
89%
**54
100%
ReloadSwiss RS 62 👍
<<locked>>
97%
53461
84%
**92
100%
ReloadSwiss RS 70
<<locked>>
97%
53243
83%
**21
100%
Rottweil R 901
<<locked>>
84%
56898
89%
**70
100%
Rottweil R 902
<<locked>>
89%
57072
89%
**03
100%
Rottweil R 903
<<locked>>
93%
56913
89%
**52
100%
[Rottweil R 904]*
<<locked>>
97%
47456
74%
**21
94%
Rottweil R 905
<<locked>>
97%
44179
69%
**25
95%
Rottweil R 907
<<locked>>
95%
57348
90%
**43
98%
SNPE Vectan SP 11
<<locked>>
92%
56927
89%
**89
100%
SNPE Vectan SP 7
<<locked>>
85%
56869
89%
**33
100%
SNPE Vectan SP 9
<<locked>>
87%
57348
90%
**43
100%
SNPE Vectan Tubal 3000
<<locked>>
86%
57276
90%
**31
100%
SNPE Vectan Tubal 5000
<<locked>>
92%
56985
89%
**28
100%
SNPE Vectan Tubal 7000
<<locked>>
96%
57363
90%
**00
99%
Shooters World Long Rifle
<<locked>>
96%
56913
89%
**39
100%
Shooters World Match Rifle
<<locked>>
86%
56971
89%
**23
100%
Shooters World Precision
<<locked>>
90%
57261
90%
**20
100%
Somchem S335
<<locked>>
87%
57174
90%
**38
100%
Somchem S341
<<locked>>
86%
56811
89%
**26
100%
Somchem S355
<<locked>>
93%
57087
89%
**46
100%
[Somchem S361]*
<<locked>>
97%
48965
77%
**25
93%
Somchem S365
<<locked>>
97%
47993
75%
**16
100%
Somchem S385
<<locked>>
97%
44280
69%
**02
96%
Vihtavuori N130
<<locked>>
83%
57363
90%
**05
100%
Vihtavuori N133
<<locked>>
88%
57174
90%
**18
100%
Vihtavuori N135
<<locked>>
94%
56637
89%
**64
100%
Vihtavuori N140
<<locked>>
89%
57305
90%
**77
100%
Vihtavuori N150
<<locked>>
97%
54389
85%
**80
100%
Vihtavuori N160
<<locked>>
96%
57174
90%
**66
100%
[Vihtavuori N165]*
<<locked>>
97%
37014
58%
**57
93%
Vihtavuori N540
<<locked>>
89%
57261
90%
**10
100%
Vihtavuori N550 👍
<<locked>>
96%
57305
90%
**15
100%
Vihtavuori N555
<<locked>>
97%
40698
64%
**11
99%
Winchester 6.5 StaBALL
<<locked>>
97%
55477
87%
**33
100%
Winchester 760
<<locked>>
94%
57232
90%
**18
99%
Winchester StaBALL HD
<<locked>>
97%
33112
52%
**43
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
48559
76%
**28
100%
ADI AR 2208
<<locked>>
81%
41350
65%
**97
99%
[ADI AR 2209]*
<<locked>>
87%
34200
54%
**05
90%
Accurate 2200
<<locked>>
81%
50618
79%
**28
100%
Accurate 2495
<<locked>>
81%
50792
80%
**15
100%
Accurate 2520
<<locked>>
81%
51242
80%
**51
100%
[Accurate 2700]*
<<locked>>
81%
39523
62%
**21
94%
[Accurate 3100]*
<<locked>>
84%
25585
40%
**24
90%
Accurate 4064
<<locked>>
81%
42844
67%
**26
100%
Accurate 4350
<<locked>>
81%
31459
49%
**82
96%
Alliant AR-Comp
<<locked>>
81%
51343
80%
**02
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
44353
70%
**70
99%
Alliant Reloder- TS 15.5
<<locked>>
81%
41176
65%
**20
100%
Alliant Reloder-15
<<locked>>
81%
44164
69%
**75
99%
Alliant Reloder-16
<<locked>>
81%
31923
50%
**92
96%
Alliant Reloder-17
<<locked>>
81%
35665
56%
**03
99%
[Alliant Reloder-19]*
<<locked>>
87%
33112
52%
**95
90%
[Alliant Reloder-22]*
<<locked>>
91%
33301
52%
**44
90%
[Alliant Reloder-23]*
<<locked>>
81%
23293
36%
**72
92%
[Alliant Reloder-25]*
<<locked>>
91%
27557
43%
**00
90%
[Alliant Reloder-26]*
<<locked>>
83%
25527
40%
**80
90%
Baschieri & Pellagri 107
<<locked>>
81%
47703
75%
**31
99%
Bofors RP3
<<locked>>
81%
40973
64%
**23
100%
[Bofors RP5]*
<<locked>>
91%
33301
52%
**44
90%
[Bofors RP7]*
<<locked>>
81%
36767
58%
**05
94%
Hodgdon BL-C2
<<locked>>
81%
50473
79%
**74
100%
Hodgdon Benchmark
<<locked>>
81%
52272
82%
**15
100%
Hodgdon CFE223
<<locked>>
81%
42279
66%
**85
99%
Hodgdon H380
<<locked>>
81%
41669
65%
**29
98%
[Hodgdon H414]*
<<locked>>
81%
36651
57%
**80
94%
[Hodgdon H4350]*
<<locked>>
81%
31082
49%
**03
91%
Hodgdon Hybrid 100V
<<locked>>
81%
29254
46%
**00
97%
Hodgdon LVR
<<locked>>
81%
34650
54%
**28
96%
[Hodgdon Superperformance]*
<<locked>>
81%
33170
52%
**18
92%
Hodgdon VARGET
<<locked>>
81%
40843
64%
**87
99%
IMR 3031
<<locked>>
81%
45034
71%
**65
100%
IMR 4064
<<locked>>
81%
40567
64%
**77
99%
IMR 4166 Enduron
<<locked>>
81%
40118
63%
**44
95%
[IMR 4350]*
<<locked>>
81%
32532
51%
**36
92%
IMR 4451 Enduron
<<locked>>
81%
38218
60%
**34
95%
[IMR 4831]*
<<locked>>
81%
27804
44%
**73
94%
IMR 4895
<<locked>>
81%
45165
71%
**98
100%
[IMR 4955 Enduron]*
<<locked>>
93%
38595
60%
**57
90%
IMR 8208 XBR
<<locked>>
81%
50691
79%
**25
100%
Lovex D073.6
<<locked>>
81%
47979
75%
**08
100%
Lovex S060
<<locked>>
81%
48341
76%
**69
100%
Lovex S062
<<locked>>
81%
43410
68%
**26
100%
Lovex S065
<<locked>>
81%
35650
56%
**88
96%
[Lovex S070]*
<<locked>>
81%
34069
53%
**72
94%
[Lovex S071]*
<<locked>>
89%
25469
40%
**21
90%
Norma 201
<<locked>>
81%
47616
75%
**82
100%
Norma 202
<<locked>>
81%
47979
75%
**82
100%
Norma 203B
<<locked>>
81%
43381
68%
**62
100%
[Norma 204]*
<<locked>>
83%
34040
53%
**98
90%
[Norma MRP]*
<<locked>>
87%
30298
47%
**92
90%
Norma URP
<<locked>>
81%
32039
50%
**82
96%
Ramshot Big Game
<<locked>>
81%
42975
67%
**79
99%
[Ramshot Grand]*
<<locked>>
93%
38508
60%
**33
90%
[Ramshot Hunter]*
<<locked>>
81%
31270
49%
**69
93%
[Ramshot Magnum]*
<<locked>>
93%
33170
52%
**11
90%
Ramshot TAC
<<locked>>
81%
50502
79%
**41
99%
Ramshot Wild Boar
<<locked>>
81%
50343
79%
**57
100%
ReloadSwiss RS 50
<<locked>>
81%
42047
66%
**16
97%
ReloadSwiss RS 52
<<locked>>
81%
46688
73%
**77
100%
ReloadSwiss RS 60
<<locked>>
81%
37797
59%
**59
100%
ReloadSwiss RS 62
<<locked>>
81%
31270
49%
**92
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
31270
49%
**92
94%
Rottweil R 901
<<locked>>
81%
51895
81%
**11
100%
Rottweil R 902
<<locked>>
81%
45368
71%
**39
100%
Rottweil R 903
<<locked>>
81%
38783
61%
**83
99%
[Rottweil R 904]*
<<locked>>
88%
36245
57%
**18
90%
[Rottweil R 905]*
<<locked>>
87%
32430
51%
**85
90%
[Rottweil R 907]*
<<locked>>
81%
36767
58%
**05
94%
SNPE Vectan SP 11
<<locked>>
81%
39465
62%
**23
99%
SNPE Vectan SP 7
<<locked>>
81%
49284
77%
**25
99%
SNPE Vectan SP 9
<<locked>>
81%
46934
74%
**02
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
48878
77%
**26
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
40683
64%
**15
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
34795
55%
**39
94%
Shooters World Long Rifle
<<locked>>
81%
35650
56%
**88
96%
Shooters World Match Rifle
<<locked>>
81%
47979
75%
**08
100%
Shooters World Precision
<<locked>>
81%
43410
68%
**26
100%
Somchem S335
<<locked>>
81%
48385
76%
**33
100%
Somchem S341
<<locked>>
81%
48704
76%
**18
100%
Somchem S355
<<locked>>
81%
39204
61%
**77
99%
[Somchem S361]*
<<locked>>
90%
39218
61%
**54
90%
Somchem S365
<<locked>>
81%
28616
45%
**39
98%
[Somchem S385]*
<<locked>>
84%
29646
46%
**06
90%
Vihtavuori N130
<<locked>>
81%
54099
85%
**62
100%
Vihtavuori N133
<<locked>>
81%
45948
72%
**74
100%
Vihtavuori N135
<<locked>>
81%
38334
60%
**11
100%
Vihtavuori N140
<<locked>>
81%
44817
70%
**20
100%
Vihtavuori N150
<<locked>>
81%
33605
53%
**46
99%
Vihtavuori N160
<<locked>>
81%
34650
54%
**11
97%
[Vihtavuori N165]*
<<locked>>
92%
31792
50%
**42
90%
Vihtavuori N540
<<locked>>
81%
44454
70%
**39
100%
Vihtavuori N550
<<locked>>
81%
35215
55%
**47
97%
[Vihtavuori N555]*
<<locked>>
81%
24700
39%
**37
93%
Winchester 6.5 StaBALL
<<locked>>
81%
33040
52%
**62
98%
[Winchester 760]*
<<locked>>
81%
36651
57%
**80
94%
[Winchester StaBALL HD]*
<<locked>>
84%
22147
35%
**78
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.

<<locked>>... you need to buy an access license to unlock the data

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