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Load data for 9.3 x 66 Sako (370 Sako Mag) + .366 | 184gr | Geco ZERO

Recommended Powder(s):

9.3 x 66 Sako (370 Sako Mag) + .366 | 184gr | Geco ZERO

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.366 | 184gr | Geco ZERO
Manufacturer SKU:
2416972
Bullet Weight:
184gr | 11.9g
Bullet Diameter:
0.366" | 9.30mm
Bullet Length:
1.197" | 30.4mm
Caliber:
9.3 x 66 Sako (370 Sako Mag) load data
Case Length (l3):
2.590" | 65.8mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.497" | 12.6mm
Shank Seated Depth:
0.497" | 12.6mm
Case Capacity:
81.0 Grains of Water | 5.26 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
60191 psi | 4150 bar
LID:
LID_B9034_C1263
Last updated:
2025-01-01

Load data for 132 loads in caliber 9.3 x 66 Sako (370 Sako Mag) with .366 | 184gr | Geco ZERO bullet and 66 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".

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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>>
97%
46093
77%
**08
94%
ADI AR 2207
<<locked>>
89%
53287
89%
**48
100%
ADI AR 2219 👍
<<locked>>
92%
53403
89%
**40
100%
Accurate 2015 👍
<<locked>>
97%
51692
86%
**67
100%
[Accurate 2200]*
<<locked>>
97%
50096
83%
**22
92%
Accurate 2230
<<locked>>
95%
54041
90%
**97
96%
Accurate 2460
<<locked>>
96%
54114
90%
**20
98%
Accurate 2495
<<locked>>
97%
43178
72%
**15
99%
Accurate 2520
<<locked>>
97%
46833
78%
**58
98%
Accurate 4064
<<locked>>
97%
35549
59%
**54
96%
Alliant AR-Comp 👍
<<locked>>
97%
45992
76%
**58
100%
[Alliant Reloder- TS 15.5]*
<<locked>>
97%
36593
61%
**44
92%
Alliant Reloder-10x
<<locked>>
95%
53505
89%
**07
100%
Alliant Reloder-7
<<locked>>
88%
53490
89%
**38
100%
Baschieri & Pellagri 106
<<locked>>
92%
53577
89%
**25
100%
[Baschieri & Pellagri 107]*
<<locked>>
97%
45484
76%
**99
92%
Hodgdon BL-C2
<<locked>>
97%
47268
79%
**71
96%
Hodgdon Benchmark
<<locked>>
97%
51735
86%
**41
97%
Hodgdon CFE BLK
<<locked>>
88%
53780
89%
**31
97%
Hodgdon H322
<<locked>>
97%
51517
86%
**10
99%
Hodgdon H335 👍
<<locked>>
93%
53983
90%
**49
99%
Hodgdon H4198
<<locked>>
90%
53519
89%
**25
99%
Hodgdon TrailBoss
<<locked>>
96%
30850
51%
**06
100%
IMR 3031
<<locked>>
97%
39581
66%
**53
98%
IMR 4198
<<locked>>
94%
53824
89%
**67
100%
IMR 4227
<<locked>>
84%
54056
90%
**95
100%
[IMR 4895]*
<<locked>>
97%
41104
68%
**56
92%
IMR 8208 XBR
<<locked>>
97%
48994
81%
**38
96%
Lovex D073.4
<<locked>>
94%
53998
90%
**00
98%
Lovex D073.5
<<locked>>
96%
53708
89%
**17
98%
Lovex D073.6
<<locked>>
97%
42902
71%
**92
97%
Lovex S053
<<locked>>
85%
53780
89%
**56
100%
[Lovex S060]*
<<locked>>
97%
47761
79%
**62
94%
[Lovex S062]*
<<locked>>
97%
39349
65%
**77
93%
Norma 200
<<locked>>
91%
53243
88%
**84
100%
Norma 201
<<locked>>
97%
44454
74%
**59
95%
Norma 202
<<locked>>
97%
44454
74%
**92
98%
[Norma 203B]*
<<locked>>
97%
39247
65%
**03
91%
[Ramshot Wild Boar]*
<<locked>>
97%
47921
80%
**54
94%
Ramshot X-Terminator
<<locked>>
96%
53954
90%
**81
95%
ReloadSwiss RS 14
<<locked>>
96%
30647
51%
**42
100%
ReloadSwiss RS 36
<<locked>>
84%
53983
90%
**28
100%
ReloadSwiss RS 40
<<locked>>
95%
53447
89%
**17
98%
[ReloadSwiss RS 52]*
<<locked>>
97%
38247
64%
**17
93%
Rottweil R 901
<<locked>>
97%
48834
81%
**28
98%
[Rottweil R 902]*
<<locked>>
97%
42221
70%
**10
94%
SNPE Vectan BA6 1/2
<<locked>>
89%
54172
90%
**02
100%
SNPE Vectan SP 10 👍
<<locked>>
92%
53635
89%
**36
99%
[SNPE Vectan SP 9]*
<<locked>>
97%
44440
74%
**79
93%
SNPE Vectan Tubal 3000
<<locked>>
97%
47747
79%
**49
98%
SNPE Vectan Tubal 5000
<<locked>>
97%
38203
63%
**92
97%
Shooters World Match Rifle
<<locked>>
97%
42902
71%
**92
97%
[Shooters World Precision]*
<<locked>>
97%
39349
65%
**77
93%
Shooters World Tactical Rifle
<<locked>>
93%
53751
89%
**71
97%
Somchem S321
<<locked>>
97%
53200
88%
**33
97%
Somchem S335
<<locked>>
97%
46354
77%
**49
99%
[Somchem S341]*
<<locked>>
97%
46282
77%
**92
93%
Vihtavuori N120
<<locked>>
91%
53388
89%
**99
100%
Vihtavuori N130
<<locked>>
97%
53142
88%
**44
100%
Vihtavuori N133
<<locked>>
97%
43424
72%
**97
99%
Vihtavuori N135
<<locked>>
97%
32837
55%
**56
97%
Vihtavuori N140
<<locked>>
97%
41176
68%
**03
97%
Vihtavuori N530
<<locked>>
97%
52185
87%
**07
97%
Vihtavuori N540
<<locked>>
97%
41017
68%
**23
97%
Winchester 748
<<locked>>
97%
51343
85%
**43
98%
Winchester StaBALL Match
<<locked>>
95%
53592
89%
**56
96%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2206H]*
<<locked>>
89%
36390
60%
**08
90%
ADI AR 2207
<<locked>>
81%
41698
69%
**71
100%
ADI AR 2219
<<locked>>
81%
36811
61%
**31
97%
Accurate 2015
<<locked>>
81%
31792
53%
**77
97%
[Accurate 2200]*
<<locked>>
92%
42888
71%
**84
90%
[Accurate 2230]*
<<locked>>
82%
33794
56%
**13
90%
[Accurate 2460]*
<<locked>>
81%
32242
54%
**00
92%
[Accurate 2495]*
<<locked>>
81%
25454
42%
**95
94%
[Accurate 2520]*
<<locked>>
81%
27209
45%
**15
90%
[Accurate 4064]*
<<locked>>
85%
24004
40%
**36
90%
Alliant AR-Comp
<<locked>>
81%
27630
46%
**44
98%
[Alliant Reloder- TS 15.5]*
<<locked>>
94%
33301
55%
**66
90%
Alliant Reloder-10x
<<locked>>
81%
34998
58%
**72
99%
Alliant Reloder-7
<<locked>>
81%
42946
71%
**74
100%
Baschieri & Pellagri 106
<<locked>>
81%
37565
62%
**43
97%
[Baschieri & Pellagri 107]*
<<locked>>
94%
41568
69%
**20
90%
[Hodgdon BL-C2]*
<<locked>>
86%
32387
54%
**56
90%
[Hodgdon Benchmark]*
<<locked>>
81%
32401
54%
**44
91%
[Hodgdon CFE BLK]*
<<locked>>
81%
42264
70%
**25
94%
[Hodgdon H322]*
<<locked>>
81%
30995
52%
**84
94%
Hodgdon H335
<<locked>>
81%
36100
60%
**15
95%
Hodgdon H4198
<<locked>>
81%
40857
68%
**05
97%
Hodgdon TrailBoss
<<locked>>
90%
28239
47%
**54
100%
[IMR 3031]*
<<locked>>
81%
24569
41%
**39
92%
IMR 4198
<<locked>>
81%
36622
61%
**59
100%
IMR 4227
<<locked>>
81%
49240
82%
**23
100%
[IMR 4895]*
<<locked>>
93%
36114
60%
**48
90%
[IMR 8208 XBR]*
<<locked>>
83%
32082
53%
**84
90%
[Lovex D073.4]*
<<locked>>
81%
33953
56%
**30
92%
[Lovex D073.5]*
<<locked>>
81%
32097
53%
**97
92%
[Lovex D073.6]*
<<locked>>
83%
27209
45%
**15
90%
Lovex S053
<<locked>>
81%
48008
80%
**71
100%
[Lovex S060]*
<<locked>>
88%
36405
60%
**30
90%
[Lovex S062]*
<<locked>>
90%
32256
54%
**10
90%
Norma 200
<<locked>>
81%
39668
66%
**51
100%
[Norma 201]*
<<locked>>
86%
31633
53%
**74
90%
[Norma 202]*
<<locked>>
81%
26905
45%
**75
91%
[Norma 203B]*
<<locked>>
94%
36506
61%
**41
90%
[Ramshot Wild Boar]*
<<locked>>
89%
37028
62%
**25
90%
[Ramshot X-Terminator]*
<<locked>>
85%
37347
62%
**79
90%
ReloadSwiss RS 14
<<locked>>
86%
26208
44%
**47
100%
ReloadSwiss RS 36
<<locked>>
81%
49081
82%
**56
100%
[ReloadSwiss RS 40]*
<<locked>>
81%
33359
55%
**23
93%
[ReloadSwiss RS 52]*
<<locked>>
92%
32213
54%
**59
90%
[Rottweil R 901]*
<<locked>>
81%
30574
51%
**41
93%
[Rottweil R 902]*
<<locked>>
88%
31836
53%
**74
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
44179
73%
**64
100%
SNPE Vectan SP 10
<<locked>>
81%
37362
62%
**38
96%
[SNPE Vectan SP 9]*
<<locked>>
91%
36579
61%
**05
90%
[SNPE Vectan Tubal 3000]*
<<locked>>
81%
29457
49%
**62
92%
[SNPE Vectan Tubal 5000]*
<<locked>>
81%
23786
40%
**05
90%
[Shooters World Match Rifle]*
<<locked>>
83%
27209
45%
**15
90%
[Shooters World Precision]*
<<locked>>
90%
32256
54%
**10
90%
[Shooters World Tactical Rifle]*
<<locked>>
81%
35491
59%
**23
91%
[Somchem S321]*
<<locked>>
81%
31227
52%
**87
90%
[Somchem S335]*
<<locked>>
81%
28645
48%
**62
93%
[Somchem S341]*
<<locked>>
91%
37739
63%
**18
90%
Vihtavuori N120
<<locked>>
81%
39204
65%
**82
100%
Vihtavuori N130
<<locked>>
81%
33083
55%
**70
98%
Vihtavuori N133
<<locked>>
81%
27108
45%
**23
95%
[Vihtavuori N135]*
<<locked>>
82%
21335
35%
**95
90%
[Vihtavuori N140]*
<<locked>>
81%
25498
42%
**06
90%
[Vihtavuori N530]*
<<locked>>
82%
31981
53%
**97
90%
[Vihtavuori N540]*
<<locked>>
83%
26237
44%
**49
90%
[Winchester 748]*
<<locked>>
81%
30980
51%
**03
90%
[Winchester StaBALL Match]*
<<locked>>
84%
35259
59%
**92
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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