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Load data for 9.3 x 64 Brenneke + .366 | 250gr | Geco STAR

Recommended Powder(s): Alliant Reloder-17, Hodgdon CFE223, Ramshot Big Game, ReloadSwiss RS 60, SNPE Vectan SP 11

9.3 x 64 Brenneke + .366 | 250gr | Geco STAR

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.366 | 250gr | Geco STAR
Manufacturer SKU:
2426916
Bullet Weight:
250gr | 16.2g
Bullet Diameter:
0.366" | 9.30mm
Bullet Length:
1.000" | 25.4mm
Caliber:
9.3 x 64 Brenneke load data
Case Length (l3):
2.519" | 64.0mm
Cartridge Length (C.O.L.):
3.319" | 84.3mm
Seated Depth:
0.200" | 5.1mm
Shank Seated Depth:
0.081" | 2.1mm
Case Capacity:
88.0 Grains of Water | 5.71 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B10951_C1260
Last updated:
2025-08-22
Recommended Twist Rate:
1:25 - 1:21

Load data for 190 loads in caliber 9.3 x 64 Brenneke with .366 | 250gr | Geco STAR bullet and 95 powders such as Alliant Reloder-17, Hodgdon CFE223, Ramshot Big Game, ReloadSwiss RS 60, SNPE Vectan SP 11. 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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  • 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>>
89%
57217
90%
**17
100%
ADI AR 2208
<<locked>>
95%
56956
89%
**97
100%
Accurate 2015
<<locked>>
86%
57377
90%
**12
100%
Accurate 2200
<<locked>>
87%
56956
89%
**77
99%
Accurate 2230
<<locked>>
83%
56840
89%
**64
100%
Accurate 2460
<<locked>>
83%
56710
89%
**61
100%
Accurate 2495
<<locked>>
88%
56971
89%
**67
100%
Accurate 2520
<<locked>>
87%
56898
89%
**97
100%
Accurate 2700
<<locked>>
95%
57014
89%
**41
97%
[Accurate 3100]*
<<locked>>
97%
33359
52%
**49
92%
Accurate 4064
<<locked>>
94%
56971
89%
**94
100%
Accurate 4350
<<locked>>
97%
46963
74%
**25
98%
Alliant AR-Comp
<<locked>>
88%
57203
90%
**51
100%
Alliant Reloder- TS 15.5
<<locked>>
95%
57029
89%
**23
100%
Alliant Reloder-15
<<locked>>
93%
57159
90%
**40
100%
Alliant Reloder-16
<<locked>>
97%
46572
73%
**41
99%
Alliant Reloder-17 👍
<<locked>>
97%
53795
84%
**85
100%
Alliant Reloder-23
<<locked>>
97%
33011
52%
**82
96%
[Alliant Reloder-26]*
<<locked>>
97%
36187
57%
**00
94%
Baschieri & Pellagri 107
<<locked>>
89%
56666
89%
**30
100%
Hodgdon BL-C2
<<locked>>
88%
57188
90%
**36
100%
Hodgdon Benchmark
<<locked>>
87%
57043
89%
**41
100%
Hodgdon CFE223 👍
<<locked>>
93%
56913
89%
**66
100%
Hodgdon H322
<<locked>>
86%
56797
89%
**64
100%
Hodgdon H380
<<locked>>
94%
57145
90%
**23
99%
Hodgdon H414
<<locked>>
97%
55593
87%
**62
97%
[Hodgdon H4350]*
<<locked>>
97%
45121
71%
**26
94%
Hodgdon Hybrid 100V
<<locked>>
97%
42859
67%
**33
99%
Hodgdon LVR
<<locked>>
97%
51372
80%
**84
98%
Hodgdon Superperformance
<<locked>>
97%
50952
80%
**07
96%
Hodgdon VARGET
<<locked>>
95%
56956
89%
**97
100%
IMR 3031
<<locked>>
92%
57246
90%
**07
100%
IMR 4064
<<locked>>
96%
57421
90%
**90
100%
IMR 4166 Enduron
<<locked>>
96%
56956
89%
**67
98%
IMR 4350
<<locked>>
97%
47906
75%
**75
95%
IMR 4451 Enduron
<<locked>>
97%
55825
87%
**80
97%
IMR 4831
<<locked>>
97%
40509
63%
**93
97%
IMR 4895
<<locked>>
92%
57290
90%
**43
100%
IMR 8208 XBR
<<locked>>
88%
56913
89%
**77
100%
Lovex D073.5
<<locked>>
84%
57101
89%
**61
100%
Lovex D073.6
<<locked>>
89%
56550
89%
**94
100%
Lovex S060
<<locked>>
89%
57014
89%
**48
100%
Lovex S062
<<locked>>
94%
57392
90%
**94
100%
Lovex S065
<<locked>>
97%
51851
81%
**25
98%
Lovex S070
<<locked>>
97%
49647
78%
**12
96%
Norma 201
<<locked>>
90%
57116
89%
**84
100%
Norma 202
<<locked>>
90%
56797
89%
**71
100%
Norma 203B
<<locked>>
93%
56942
89%
**30
100%
[Norma 204]*
<<locked>>
97%
47790
75%
**02
93%
Norma URP
<<locked>>
97%
47282
74%
**28
98%
Ramshot Big Game 👍
<<locked>>
93%
57406
90%
**53
100%
Ramshot Hunter
<<locked>>
97%
46093
72%
**15
96%
Ramshot TAC
<<locked>>
88%
57334
90%
**94
99%
Ramshot Wild Boar
<<locked>>
88%
56913
89%
**17
100%
Ramshot X-Terminator
<<locked>>
85%
56695
89%
**61
100%
ReloadSwiss RS 40
<<locked>>
84%
57174
90%
**71
100%
ReloadSwiss RS 50
<<locked>>
93%
56884
89%
**97
98%
ReloadSwiss RS 52
<<locked>>
93%
57029
89%
**56
100%
ReloadSwiss RS 60 👍
<<locked>>
97%
52040
82%
**72
100%
ReloadSwiss RS 62
<<locked>>
97%
47007
74%
**54
98%
ReloadSwiss RS 70
<<locked>>
97%
47892
75%
**80
98%
Rottweil R 901
<<locked>>
87%
56855
89%
**48
100%
Rottweil R 902
<<locked>>
92%
57188
90%
**67
100%
Rottweil R 903
<<locked>>
97%
57319
90%
**26
100%
Rottweil R 907
<<locked>>
97%
53969
85%
**44
96%
SNPE Vectan SP 11 👍
<<locked>>
96%
56869
89%
**53
100%
SNPE Vectan SP 7
<<locked>>
89%
57363
90%
**00
99%
SNPE Vectan SP 9
<<locked>>
90%
56826
89%
**03
100%
SNPE Vectan Tubal 3000
<<locked>>
89%
57348
90%
**02
100%
SNPE Vectan Tubal 5000
<<locked>>
95%
57305
90%
**95
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
51967
81%
**75
97%
Shooters World Long Rifle
<<locked>>
97%
51851
81%
**25
98%
Shooters World Match Rifle
<<locked>>
89%
56550
89%
**94
100%
Shooters World Precision
<<locked>>
94%
57392
90%
**94
100%
Somchem S321
<<locked>>
85%
57217
90%
**94
100%
Somchem S335
<<locked>>
90%
57348
90%
**12
100%
Somchem S341
<<locked>>
89%
57363
90%
**97
100%
Somchem S355
<<locked>>
97%
57392
90%
**23
100%
Somchem S365
<<locked>>
97%
41872
66%
**79
100%
[Somchem S385]*
<<locked>>
97%
38972
61%
**51
92%
Vihtavuori N130
<<locked>>
86%
56768
89%
**66
100%
Vihtavuori N133
<<locked>>
91%
57290
90%
**85
100%
Vihtavuori N135
<<locked>>
97%
54694
86%
**18
100%
Vihtavuori N140
<<locked>>
92%
56782
89%
**41
100%
Vihtavuori N150
<<locked>>
97%
49023
77%
**69
100%
Vihtavuori N160
<<locked>>
97%
52156
82%
**61
99%
Vihtavuori N530
<<locked>>
86%
56869
89%
**87
100%
Vihtavuori N540
<<locked>>
92%
57130
90%
**84
100%
Vihtavuori N550
<<locked>>
97%
52272
82%
**10
99%
Vihtavuori N555
<<locked>>
97%
35273
55%
**54
96%
Winchester 6.5 StaBALL
<<locked>>
97%
49980
78%
**15
100%
Winchester 748
<<locked>>
85%
56811
89%
**23
100%
Winchester 760
<<locked>>
97%
55593
87%
**62
97%
[Winchester StaBALL HD]*
<<locked>>
97%
29356
46%
**36
94%
Winchester StaBALL Match
<<locked>>
83%
57159
90%
**20
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
43859
69%
**03
99%
ADI AR 2208
<<locked>>
81%
37420
59%
**65
97%
Accurate 2015
<<locked>>
81%
49864
78%
**13
100%
Accurate 2200
<<locked>>
81%
46209
72%
**10
98%
Accurate 2230
<<locked>>
81%
52678
83%
**05
100%
Accurate 2460
<<locked>>
81%
52431
82%
**05
100%
Accurate 2495
<<locked>>
81%
45237
71%
**10
100%
Accurate 2520
<<locked>>
81%
45658
72%
**36
100%
[Accurate 2700]*
<<locked>>
81%
35810
56%
**74
90%
[Accurate 3100]*
<<locked>>
93%
29791
47%
**60
90%
Accurate 4064
<<locked>>
81%
38101
60%
**98
100%
[Accurate 4350]*
<<locked>>
81%
27282
43%
**08
91%
Alliant AR-Comp
<<locked>>
81%
45905
72%
**07
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
36796
58%
**85
98%
Alliant Reloder-15
<<locked>>
81%
39595
62%
**44
97%
[Alliant Reloder-16]*
<<locked>>
81%
28732
45%
**21
91%
Alliant Reloder-17
<<locked>>
81%
31778
50%
**46
96%
[Alliant Reloder-23]*
<<locked>>
86%
24381
38%
**23
90%
[Alliant Reloder-26]*
<<locked>>
91%
30037
47%
**29
90%
Baschieri & Pellagri 107
<<locked>>
81%
42989
67%
**10
98%
Hodgdon BL-C2
<<locked>>
81%
45397
71%
**56
100%
Hodgdon Benchmark
<<locked>>
81%
47964
75%
**03
100%
Hodgdon CFE223
<<locked>>
81%
37884
59%
**41
96%
Hodgdon H322
<<locked>>
81%
49081
77%
**59
100%
Hodgdon H380
<<locked>>
81%
37246
58%
**88
95%
[Hodgdon H414]*
<<locked>>
81%
32822
51%
**29
90%
[Hodgdon H4350]*
<<locked>>
88%
34592
54%
**13
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
26092
41%
**36
93%
[Hodgdon LVR]*
<<locked>>
81%
30879
48%
**74
92%
[Hodgdon Superperformance]*
<<locked>>
86%
35665
56%
**02
90%
Hodgdon VARGET
<<locked>>
81%
37057
58%
**56
96%
IMR 3031
<<locked>>
81%
40001
63%
**48
100%
IMR 4064
<<locked>>
81%
36709
58%
**43
97%
[IMR 4166 Enduron]*
<<locked>>
81%
36593
57%
**06
92%
[IMR 4350]*
<<locked>>
86%
34490
54%
**06
90%
[IMR 4451 Enduron]*
<<locked>>
81%
34737
54%
**93
91%
[IMR 4831]*
<<locked>>
82%
25556
40%
**36
90%
IMR 4895
<<locked>>
81%
40451
63%
**70
98%
IMR 8208 XBR
<<locked>>
81%
45963
72%
**16
100%
Lovex D073.5
<<locked>>
81%
52286
82%
**98
100%
Lovex D073.6
<<locked>>
81%
42975
67%
**90
100%
Lovex S060
<<locked>>
81%
44367
70%
**51
99%
Lovex S062
<<locked>>
81%
39233
61%
**05
99%
[Lovex S065]*
<<locked>>
81%
32068
50%
**41
92%
[Lovex S070]*
<<locked>>
83%
31749
50%
**54
90%
Norma 201
<<locked>>
81%
43163
68%
**67
99%
Norma 202
<<locked>>
81%
43236
68%
**74
100%
Norma 203B
<<locked>>
81%
38841
61%
**31
98%
[Norma 204]*
<<locked>>
91%
39508
62%
**48
90%
[Norma URP]*
<<locked>>
81%
28384
44%
**18
91%
Ramshot Big Game
<<locked>>
81%
38406
60%
**44
97%
[Ramshot Hunter]*
<<locked>>
84%
30937
48%
**80
90%
Ramshot TAC
<<locked>>
81%
45977
72%
**23
97%
Ramshot Wild Boar
<<locked>>
81%
45426
71%
**43
99%
Ramshot X-Terminator
<<locked>>
81%
49661
78%
**62
99%
ReloadSwiss RS 40
<<locked>>
81%
51692
81%
**95
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
37811
59%
**72
93%
ReloadSwiss RS 52
<<locked>>
81%
37695
59%
**44
99%
ReloadSwiss RS 60
<<locked>>
81%
30835
48%
**23
96%
[ReloadSwiss RS 62]*
<<locked>>
81%
27615
43%
**24
90%
[ReloadSwiss RS 70]*
<<locked>>
83%
30327
48%
**80
90%
Rottweil R 901
<<locked>>
81%
47007
74%
**03
100%
Rottweil R 902
<<locked>>
81%
40973
64%
**15
99%
Rottweil R 903
<<locked>>
81%
34113
53%
**33
97%
[Rottweil R 907]*
<<locked>>
82%
34563
54%
**87
90%
SNPE Vectan SP 11
<<locked>>
81%
35230
55%
**75
96%
SNPE Vectan SP 7
<<locked>>
81%
44266
69%
**97
97%
SNPE Vectan SP 9
<<locked>>
81%
42554
67%
**80
98%
SNPE Vectan Tubal 3000
<<locked>>
81%
44599
70%
**25
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
37086
58%
**00
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
82%
31937
50%
**15
90%
[Shooters World Long Rifle]*
<<locked>>
81%
32068
50%
**41
92%
Shooters World Match Rifle
<<locked>>
81%
42975
67%
**90
100%
Shooters World Precision
<<locked>>
81%
39233
61%
**05
99%
Somchem S321
<<locked>>
81%
49893
78%
**92
100%
Somchem S335
<<locked>>
81%
44237
69%
**28
100%
Somchem S341
<<locked>>
81%
43888
69%
**90
99%
Somchem S355
<<locked>>
81%
35128
55%
**39
97%
[Somchem S365]*
<<locked>>
81%
25324
40%
**62
94%
[Somchem S385]*
<<locked>>
93%
34722
54%
**62
90%
Vihtavuori N130
<<locked>>
81%
49385
77%
**67
100%
Vihtavuori N133
<<locked>>
81%
41887
66%
**69
100%
Vihtavuori N135
<<locked>>
81%
34127
53%
**90
100%
Vihtavuori N140
<<locked>>
81%
40596
64%
**05
100%
Vihtavuori N150
<<locked>>
81%
30023
47%
**05
97%
[Vihtavuori N160]*
<<locked>>
81%
30922
48%
**54
93%
Vihtavuori N530
<<locked>>
81%
48791
76%
**66
100%
Vihtavuori N540
<<locked>>
81%
40059
63%
**21
100%
[Vihtavuori N550]*
<<locked>>
81%
31024
49%
**90
93%
[Vihtavuori N555]*
<<locked>>
86%
24874
39%
**65
90%
Winchester 6.5 StaBALL
<<locked>>
81%
29718
47%
**08
95%
Winchester 748
<<locked>>
81%
49139
77%
**12
100%
[Winchester 760]*
<<locked>>
81%
32822
51%
**29
90%
[Winchester StaBALL HD]*
<<locked>>
93%
25918
41%
**11
90%
Winchester StaBALL Match
<<locked>>
81%
52185
82%
**51
100%

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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