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Load data for 9.5 x 66 SE v. Hofe + .375 | 300gr | Atomic 29 HP

Recommended Powder(s): Alliant Reloder-17, Hodgdon CFE223, Hodgdon H380, SNPE Vectan SP 11, Vihtavuori N550

9.5 x 66 SE v. Hofe + .375 | 300gr | Atomic 29 HP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 300gr | Atomic 29 HP
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_B12247_C1276
Last updated:
2026-03-24

Load data for 208 loads in caliber 9.5 x 66 SE v. Hofe with .375 | 300gr | Atomic 29 HP bullet and 104 powders such as Alliant Reloder-17, Hodgdon CFE223, Hodgdon H380, SNPE Vectan SP 11, 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".

  • 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>>
88%
57130
90%
**39
100%
ADI AR 2208
<<locked>>
94%
57334
90%
**33
100%
[ADI AR 2209]*
<<locked>>
97%
42931
67%
**82
94%
ADI Benchmark 8208
<<locked>>
87%
56855
89%
**03
100%
Accurate 2015
<<locked>>
84%
56869
89%
**25
100%
Accurate 2200
<<locked>>
87%
57087
89%
**10
100%
Accurate 2495
<<locked>>
87%
56927
89%
**87
100%
Accurate 2520
<<locked>>
86%
56869
89%
**20
100%
Accurate 2700
<<locked>>
94%
57072
89%
**84
98%
Accurate 3100
<<locked>>
97%
34621
54%
**41
95%
Accurate 4064
<<locked>>
93%
57116
90%
**16
100%
Accurate 4350
<<locked>>
97%
49400
77%
**00
99%
Alliant AR-Comp
<<locked>>
86%
56724
89%
**64
100%
Alliant Power Pro 2000-MR
<<locked>>
90%
57159
90%
**54
100%
Alliant Reloder- TS 15.5
<<locked>>
94%
56710
89%
**43
100%
Alliant Reloder-15
<<locked>>
91%
57290
90%
**62
100%
Alliant Reloder-16
<<locked>>
97%
48646
76%
**16
100%
Alliant Reloder-17 👍
<<locked>>
97%
56057
88%
**44
100%
[Alliant Reloder-19]*
<<locked>>
97%
41829
66%
**69
94%
Alliant Reloder-23
<<locked>>
97%
34301
54%
**83
98%
[Alliant Reloder-25]*
<<locked>>
97%
30240
47%
**72
92%
Alliant Reloder-26
<<locked>>
97%
37782
59%
**08
97%
Baschieri & Pellagri 107
<<locked>>
88%
56840
89%
**59
100%
Bofors RP3
<<locked>>
93%
56710
89%
**49
100%
Bofors RP7
<<locked>>
97%
56246
88%
**20
98%
Hodgdon BL-C2
<<locked>>
87%
57145
90%
**56
100%
Hodgdon Benchmark
<<locked>>
86%
56869
89%
**64
100%
Hodgdon CFE223 👍
<<locked>>
92%
56869
89%
**95
100%
Hodgdon H322
<<locked>>
85%
57203
90%
**84
100%
Hodgdon H380 👍
<<locked>>
93%
57290
90%
**59
100%
Hodgdon H414
<<locked>>
96%
57145
90%
**12
99%
Hodgdon H4350
<<locked>>
97%
47094
74%
**11
96%
Hodgdon H4895
<<locked>>
88%
57029
89%
**39
100%
Hodgdon Hybrid 100V
<<locked>>
97%
44715
70%
**05
100%
Hodgdon LVR
<<locked>>
97%
53490
84%
**49
99%
Hodgdon Superperformance
<<locked>>
97%
53766
84%
**92
98%
Hodgdon VARGET
<<locked>>
94%
57159
90%
**26
100%
IMR 3031
<<locked>>
91%
56942
89%
**16
100%
IMR 4064
<<locked>>
94%
57159
90%
**16
100%
IMR 4166 Enduron
<<locked>>
95%
57305
90%
**07
99%
IMR 4350
<<locked>>
97%
49647
78%
**48
97%
IMR 4451 Enduron
<<locked>>
96%
56869
89%
**26
99%
IMR 4831
<<locked>>
97%
42264
66%
**79
99%
IMR 4895
<<locked>>
91%
57261
90%
**72
100%
IMR 8208 XBR
<<locked>>
87%
56855
89%
**03
100%
Lovex D073.6
<<locked>>
88%
56869
89%
**20
100%
Lovex S060
<<locked>>
88%
57261
90%
**80
100%
Lovex S062
<<locked>>
92%
57116
89%
**13
100%
Lovex S065
<<locked>>
97%
53998
85%
**97
99%
Lovex S070
<<locked>>
97%
51169
80%
**80
98%
[Lovex S071]*
<<locked>>
97%
28935
45%
**13
92%
Norma 201
<<locked>>
89%
57377
90%
**10
100%
Norma 202
<<locked>>
89%
57232
90%
**00
100%
Norma 203B
<<locked>>
92%
57261
90%
**62
100%
Norma 204
<<locked>>
97%
50082
78%
**93
96%
[Norma MRP]*
<<locked>>
97%
38116
60%
**72
94%
Norma URP
<<locked>>
97%
49066
77%
**97
99%
Ramshot Big Game
<<locked>>
91%
57319
90%
**79
100%
Ramshot Hunter
<<locked>>
97%
48269
76%
**93
98%
Ramshot TAC
<<locked>>
86%
56666
89%
**23
99%
Ramshot Wild Boar
<<locked>>
87%
56884
89%
**43
100%
Ramshot X-Terminator
<<locked>>
84%
57334
90%
**07
100%
ReloadSwiss RS 50
<<locked>>
92%
57130
90%
**36
99%
ReloadSwiss RS 52
<<locked>>
89%
56579
89%
**05
100%
ReloadSwiss RS 60
<<locked>>
95%
56840
89%
**48
100%
ReloadSwiss RS 62
<<locked>>
97%
49647
78%
**30
99%
ReloadSwiss RS 70
<<locked>>
97%
49356
77%
**49
99%
Rottweil R 901
<<locked>>
86%
56710
89%
**67
100%
Rottweil R 902
<<locked>>
91%
57276
90%
**03
100%
Rottweil R 903
<<locked>>
95%
56811
89%
**43
100%
[Rottweil R 904]*
<<locked>>
97%
44527
70%
**69
93%
[Rottweil R 905]*
<<locked>>
97%
40437
63%
**56
93%
Rottweil R 907
<<locked>>
97%
56246
88%
**20
98%
SNPE Vectan SP 11 👍
<<locked>>
95%
57421
90%
**89
100%
SNPE Vectan SP 7
<<locked>>
87%
56753
89%
**23
100%
SNPE Vectan SP 9
<<locked>>
89%
57246
90%
**39
100%
SNPE Vectan Tubal 3000
<<locked>>
88%
56927
89%
**21
100%
SNPE Vectan Tubal 5000
<<locked>>
94%
56898
89%
**25
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
53954
85%
**51
98%
Shooters World Long Rifle
<<locked>>
97%
53998
85%
**97
99%
Shooters World Match Rifle
<<locked>>
88%
56869
89%
**20
100%
Shooters World Precision
<<locked>>
92%
57116
89%
**13
100%
Somchem S321
<<locked>>
84%
57101
89%
**23
100%
Somchem S335
<<locked>>
88%
56942
89%
**31
100%
Somchem S341
<<locked>>
88%
57290
90%
**23
100%
Somchem S355
<<locked>>
95%
57072
89%
**43
100%
[Somchem S361]*
<<locked>>
97%
45469
71%
**56
92%
Somchem S365
<<locked>>
97%
43947
69%
**54
100%
Somchem S385
<<locked>>
97%
40799
64%
**43
95%
Vihtavuori N130
<<locked>>
85%
57116
90%
**92
100%
Vihtavuori N133
<<locked>>
90%
56840
89%
**08
100%
Vihtavuori N135
<<locked>>
97%
57363
90%
**67
100%
Vihtavuori N140
<<locked>>
91%
57188
90%
**70
100%
Vihtavuori N150
<<locked>>
97%
50647
79%
**28
100%
Vihtavuori N160
<<locked>>
97%
54099
85%
**26
100%
Vihtavuori N530
<<locked>>
85%
57276
90%
**16
100%
Vihtavuori N540
<<locked>>
91%
56840
89%
**03
100%
Vihtavuori N550 👍
<<locked>>
97%
54346
85%
**72
100%
Vihtavuori N555
<<locked>>
97%
37231
58%
**46
98%
Winchester 6.5 StaBALL
<<locked>>
97%
51721
81%
**77
100%
Winchester 748
<<locked>>
84%
56942
89%
**43
100%
Winchester 760
<<locked>>
96%
57145
90%
**12
99%
Winchester StaBALL HD
<<locked>>
97%
30458
48%
**64
97%
[Winchester Supreme 780]*
<<locked>>
97%
42844
67%
**59
94%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
45440
71%
**79
100%
ADI AR 2208
<<locked>>
81%
38667
61%
**44
98%
[ADI AR 2209]*
<<locked>>
90%
34925
55%
**18
90%
ADI Benchmark 8208
<<locked>>
81%
47703
75%
**82
100%
Accurate 2015
<<locked>>
81%
51329
80%
**59
100%
Accurate 2200
<<locked>>
81%
47703
75%
**79
99%
Accurate 2495
<<locked>>
81%
46369
73%
**56
100%
Accurate 2520
<<locked>>
81%
47297
74%
**95
100%
[Accurate 2700]*
<<locked>>
81%
36695
58%
**59
93%
[Accurate 3100]*
<<locked>>
89%
26136
41%
**44
90%
Accurate 4064
<<locked>>
81%
38943
61%
**64
100%
[Accurate 4350]*
<<locked>>
81%
28398
45%
**06
94%
Alliant AR-Comp
<<locked>>
81%
48037
75%
**59
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
41321
65%
**08
99%
Alliant Reloder- TS 15.5
<<locked>>
81%
37971
60%
**64
99%
Alliant Reloder-15
<<locked>>
81%
41002
64%
**20
99%
[Alliant Reloder-16]*
<<locked>>
81%
29399
46%
**23
94%
Alliant Reloder-17
<<locked>>
81%
32938
52%
**41
98%
[Alliant Reloder-19]*
<<locked>>
90%
34171
54%
**15
90%
[Alliant Reloder-23]*
<<locked>>
82%
21524
34%
**16
90%
[Alliant Reloder-25]*
<<locked>>
94%
28050
44%
**06
90%
[Alliant Reloder-26]*
<<locked>>
86%
25962
41%
**96
90%
Baschieri & Pellagri 107
<<locked>>
81%
44701
70%
**82
99%
Bofors RP3
<<locked>>
81%
37536
59%
**67
99%
[Bofors RP7]*
<<locked>>
81%
34040
53%
**42
92%
Hodgdon BL-C2
<<locked>>
81%
47181
74%
**28
100%
Hodgdon Benchmark
<<locked>>
81%
49603
78%
**69
100%
Hodgdon CFE223
<<locked>>
81%
39059
61%
**26
98%
Hodgdon H322
<<locked>>
81%
50894
80%
**08
100%
Hodgdon H380
<<locked>>
81%
38566
60%
**67
97%
[Hodgdon H414]*
<<locked>>
81%
33837
53%
**18
93%
[Hodgdon H4350]*
<<locked>>
83%
30574
48%
**87
90%
Hodgdon H4895
<<locked>>
81%
45861
72%
**82
100%
Hodgdon Hybrid 100V
<<locked>>
81%
26948
42%
**41
95%
Hodgdon LVR
<<locked>>
81%
31995
50%
**69
95%
[Hodgdon Superperformance]*
<<locked>>
82%
31270
49%
**69
90%
Hodgdon VARGET
<<locked>>
81%
38305
60%
**38
98%
IMR 3031
<<locked>>
81%
41626
65%
**13
100%
IMR 4064
<<locked>>
81%
37652
59%
**21
98%
[IMR 4166 Enduron]*
<<locked>>
81%
37898
59%
**92
94%
[IMR 4350]*
<<locked>>
81%
30255
47%
**80
90%
[IMR 4451 Enduron]*
<<locked>>
81%
35708
56%
**75
93%
[IMR 4831]*
<<locked>>
81%
25251
40%
**08
92%
IMR 4895
<<locked>>
81%
42076
66%
**46
99%
IMR 8208 XBR
<<locked>>
81%
47703
75%
**82
100%
Lovex D073.6
<<locked>>
81%
44280
69%
**49
100%
Lovex S060
<<locked>>
81%
45745
72%
**20
100%
Lovex S062
<<locked>>
81%
40350
63%
**74
100%
[Lovex S065]*
<<locked>>
81%
32851
51%
**29
94%
[Lovex S070]*
<<locked>>
81%
30966
49%
**03
92%
[Lovex S071]*
<<locked>>
94%
26136
41%
**44
90%
Norma 201
<<locked>>
81%
44396
70%
**29
100%
Norma 202
<<locked>>
81%
44614
70%
**33
100%
Norma 203B
<<locked>>
81%
40277
63%
**10
99%
[Norma 204]*
<<locked>>
86%
34360
54%
**98
90%
[Norma MRP]*
<<locked>>
90%
30734
48%
**98
90%
[Norma URP]*
<<locked>>
81%
29153
46%
**13
94%
Ramshot Big Game
<<locked>>
81%
39914
63%
**23
99%
[Ramshot Hunter]*
<<locked>>
81%
28631
45%
**96
91%
Ramshot TAC
<<locked>>
81%
47776
75%
**95
98%
Ramshot Wild Boar
<<locked>>
81%
47137
74%
**08
100%
Ramshot X-Terminator
<<locked>>
81%
51430
81%
**25
100%
ReloadSwiss RS 50
<<locked>>
81%
39001
61%
**54
96%
ReloadSwiss RS 52
<<locked>>
81%
43149
68%
**11
99%
ReloadSwiss RS 60
<<locked>>
81%
35070
55%
**00
100%
[ReloadSwiss RS 62]*
<<locked>>
81%
28427
45%
**23
93%
[ReloadSwiss RS 70]*
<<locked>>
81%
28848
45%
**23
92%
Rottweil R 901
<<locked>>
81%
48051
75%
**56
100%
Rottweil R 902
<<locked>>
81%
42061
66%
**87
100%
Rottweil R 903
<<locked>>
81%
35128
55%
**15
99%
[Rottweil R 904]*
<<locked>>
91%
37188
58%
**34
90%
[Rottweil R 905]*
<<locked>>
91%
33112
52%
**05
90%
[Rottweil R 907]*
<<locked>>
81%
34040
53%
**42
92%
SNPE Vectan SP 11
<<locked>>
81%
36390
57%
**64
98%
SNPE Vectan SP 7
<<locked>>
81%
45600
71%
**65
99%
SNPE Vectan SP 9
<<locked>>
81%
43801
69%
**46
99%
SNPE Vectan Tubal 3000
<<locked>>
81%
46166
72%
**87
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
38145
60%
**69
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
31937
50%
**83
92%
[Shooters World Long Rifle]*
<<locked>>
81%
32851
51%
**29
94%
Shooters World Match Rifle
<<locked>>
81%
44280
69%
**49
100%
Shooters World Precision
<<locked>>
81%
40350
63%
**74
100%
Somchem S321
<<locked>>
81%
51663
81%
**57
100%
Somchem S335
<<locked>>
81%
45426
71%
**83
100%
Somchem S341
<<locked>>
81%
45571
71%
**69
100%
Somchem S355
<<locked>>
81%
36201
57%
**21
99%
[Somchem S361]*
<<locked>>
93%
40118
63%
**64
90%
Somchem S365
<<locked>>
81%
26092
41%
**73
96%
[Somchem S385]*
<<locked>>
88%
30153
47%
**19
90%
Vihtavuori N130
<<locked>>
81%
50879
80%
**20
100%
Vihtavuori N133
<<locked>>
81%
43308
68%
**38
100%
Vihtavuori N135
<<locked>>
81%
35273
55%
**65
100%
Vihtavuori N140
<<locked>>
81%
41887
66%
**74
100%
Vihtavuori N150
<<locked>>
81%
30806
48%
**90
98%
Vihtavuori N160
<<locked>>
81%
31720
50%
**42
95%
Vihtavuori N530
<<locked>>
81%
50314
79%
**25
100%
Vihtavuori N540
<<locked>>
81%
41292
65%
**87
100%
Vihtavuori N550
<<locked>>
81%
32169
50%
**85
95%
[Vihtavuori N555]*
<<locked>>
81%
22046
35%
**59
90%
Winchester 6.5 StaBALL
<<locked>>
81%
30530
48%
**03
97%
Winchester 748
<<locked>>
81%
51445
81%
**74
100%
[Winchester 760]*
<<locked>>
81%
33837
53%
**18
93%
[Winchester StaBALL HD]*
<<locked>>
88%
22887
36%
**01
90%
[Winchester Supreme 780]*
<<locked>>
91%
34548
54%
**98
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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