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Load data for 9.3 x 66 Sako (370 Sako Mag) + .366 | 250gr | Barnes Banded Solid RN

Recommended Powder(s):

9.3 x 66 Sako (370 Sako Mag) + .366 | 250gr | Barnes Banded Solid RN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.366 | 250gr | Barnes Banded Solid RN
Manufacturer SKU:
30466
Bullet Weight:
250gr | 16.2g
Bullet Diameter:
0.366" | 9.30mm
Bullet Length:
<<locked>>
Caliber:
9.3 x 66 Sako (370 Sako Mag) load data
Case Length (l3):
2.590" | 65.8mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
81.0 Grains of Water | 5.26 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
60191 psi | 4150 bar
LID:
LID_B720_C1263
Last updated:
2026-03-26

Load data for 190 loads in caliber 9.3 x 66 Sako (370 Sako Mag) with .366 | 250gr | Barnes Banded Solid RN bullet and 95 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>>
95%
54099
90%
**62
99%
ADI AR 2208
<<locked>>
97%
48863
81%
**61
97%
ADI AR 2219
<<locked>>
85%
53577
89%
**23
100%
ADI Benchmark 8208
<<locked>>
93%
53650
89%
**23
100%
Accurate 2015
<<locked>>
91%
53940
90%
**70
100%
Accurate 2200
<<locked>>
92%
53548
89%
**07
97%
Accurate 2230
<<locked>>
88%
54041
90%
**13
99%
Accurate 2460
<<locked>>
88%
53766
89%
**20
100%
Accurate 2495
<<locked>>
94%
53650
89%
**43
100%
Accurate 2520
<<locked>>
93%
53069
88%
**52
100%
[Accurate 2700]*
<<locked>>
97%
47747
79%
**72
92%
Accurate 4064
<<locked>>
97%
47384
79%
**77
100%
[Accurate 4350]*
<<locked>>
97%
34563
57%
**06
93%
Alliant AR-Comp
<<locked>>
93%
53040
88%
**23
100%
Alliant Power Pro 2000-MR
<<locked>>
97%
53577
89%
**48
98%
Alliant Reloder- TS 15.5
<<locked>>
97%
46949
78%
**74
99%
Alliant Reloder-10x
<<locked>>
88%
54099
90%
**80
100%
Alliant Reloder-15
<<locked>>
97%
51387
85%
**43
98%
[Alliant Reloder-16]*
<<locked>>
97%
36912
61%
**16
93%
Alliant Reloder-17
<<locked>>
97%
41423
69%
**48
97%
Baschieri & Pellagri 106
<<locked>>
86%
54041
90%
**31
100%
Baschieri & Pellagri 107
<<locked>>
95%
53490
89%
**62
98%
Bofors RP3
<<locked>>
97%
46760
78%
**87
99%
Hodgdon BL-C2 👍
<<locked>>
93%
53592
89%
**82
100%
Hodgdon Benchmark
<<locked>>
91%
53983
90%
**84
100%
Hodgdon CFE223
<<locked>>
97%
50676
84%
**62
97%
Hodgdon H322
<<locked>>
91%
54012
90%
**26
100%
Hodgdon H335
<<locked>>
86%
54157
90%
**43
100%
Hodgdon H380
<<locked>>
97%
49255
82%
**97
96%
[Hodgdon H414]*
<<locked>>
97%
42931
71%
**31
92%
Hodgdon H4198
<<locked>>
84%
53359
89%
**25
100%
Hodgdon H4895 👍
<<locked>>
94%
53650
89%
**62
99%
[Hodgdon Hybrid 100V]*
<<locked>>
97%
33518
56%
**31
94%
[Hodgdon LVR]*
<<locked>>
97%
40147
67%
**75
93%
Hodgdon VARGET
<<locked>>
97%
48327
80%
**54
97%
IMR 3031
<<locked>>
97%
51155
85%
**39
100%
IMR 4064
<<locked>>
96%
47050
78%
**25
97%
[IMR 4166 Enduron]*
<<locked>>
96%
47834
79%
**95
93%
IMR 4198
<<locked>>
87%
53809
89%
**34
100%
[IMR 4451 Enduron]*
<<locked>>
97%
45542
76%
**92
92%
IMR 4895
<<locked>>
97%
52605
87%
**69
99%
IMR 8208 XBR
<<locked>>
93%
53650
89%
**23
100%
Lovex D073.4
<<locked>>
87%
53592
89%
**03
100%
Lovex D073.5
<<locked>>
88%
53330
89%
**10
100%
Lovex D073.6 👍
<<locked>>
95%
53563
89%
**56
100%
Lovex S060
<<locked>>
94%
53693
89%
**80
99%
Lovex S062
<<locked>>
97%
50067
83%
**87
99%
[Lovex S065]*
<<locked>>
97%
40915
68%
**29
93%
Norma 200
<<locked>>
84%
53476
89%
**51
100%
Norma 201
<<locked>>
95%
54056
90%
**30
100%
Norma 202
<<locked>>
95%
53534
89%
**30
100%
Norma 203B
<<locked>>
97%
50285
84%
**33
98%
[Norma URP]*
<<locked>>
97%
35911
60%
**06
93%
Ramshot Big Game
<<locked>>
97%
50720
84%
**52
98%
Ramshot TAC
<<locked>>
92%
53824
89%
**23
97%
Ramshot Wild Boar
<<locked>>
93%
53432
89%
**56
99%
Ramshot X-Terminator
<<locked>>
90%
53548
89%
**07
99%
ReloadSwiss RS 14
<<locked>>
96%
32576
54%
**03
100%
ReloadSwiss RS 40
<<locked>>
89%
54012
90%
**20
100%
[ReloadSwiss RS 50]*
<<locked>>
97%
49734
83%
**67
94%
ReloadSwiss RS 52
<<locked>>
97%
53998
90%
**41
99%
ReloadSwiss RS 60
<<locked>>
97%
44382
74%
**16
99%
[ReloadSwiss RS 62]*
<<locked>>
97%
35636
59%
**26
92%
Rottweil R 901
<<locked>>
93%
54143
90%
**07
100%
Rottweil R 902
<<locked>>
97%
53243
88%
**07
99%
Rottweil R 903
<<locked>>
97%
43337
72%
**25
98%
SNPE Vectan SP 10
<<locked>>
85%
53795
89%
**26
100%
SNPE Vectan SP 11
<<locked>>
97%
45614
76%
**77
97%
SNPE Vectan SP 7
<<locked>>
94%
53722
89%
**26
97%
SNPE Vectan SP 9
<<locked>>
96%
54114
90%
**52
99%
SNPE Vectan Tubal 3000
<<locked>>
93%
53635
89%
**48
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
48109
80%
**82
100%
[Shooters World Long Rifle]*
<<locked>>
97%
40915
68%
**29
93%
Shooters World Match Rifle
<<locked>>
95%
53563
89%
**56
100%
Shooters World Precision
<<locked>>
97%
50067
83%
**87
99%
Shooters World Tactical Rifle
<<locked>>
87%
54172
90%
**93
99%
Somchem S321
<<locked>>
90%
53388
89%
**43
100%
Somchem S335
<<locked>>
94%
53809
89%
**67
100%
Somchem S341
<<locked>>
94%
53983
90%
**43
99%
Somchem S355
<<locked>>
97%
44643
74%
**28
98%
Somchem S365
<<locked>>
97%
32213
54%
**64
95%
Vihtavuori N120
<<locked>>
85%
53853
89%
**72
100%
Vihtavuori N130
<<locked>>
90%
53417
89%
**25
100%
Vihtavuori N133
<<locked>>
97%
53940
90%
**48
100%
Vihtavuori N135
<<locked>>
97%
42685
71%
**65
100%
Vihtavuori N140
<<locked>>
97%
52547
87%
**97
100%
Vihtavuori N150
<<locked>>
97%
37782
63%
**90
98%
[Vihtavuori N160]*
<<locked>>
97%
39726
66%
**46
94%
Vihtavuori N530
<<locked>>
91%
53388
89%
**33
100%
Vihtavuori N540
<<locked>>
97%
52127
87%
**16
100%
[Vihtavuori N550]*
<<locked>>
97%
39943
66%
**92
94%
Winchester 6.5 StaBALL
<<locked>>
97%
39842
66%
**16
96%
Winchester 748 👍
<<locked>>
91%
53882
90%
**82
100%
[Winchester 760]*
<<locked>>
97%
42931
71%
**31
92%
Winchester StaBALL Match
<<locked>>
89%
53824
89%
**66
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
35157
58%
**38
95%
[ADI AR 2208]*
<<locked>>
81%
30226
50%
**03
91%
ADI AR 2219
<<locked>>
81%
46195
77%
**18
100%
ADI Benchmark 8208
<<locked>>
81%
37304
62%
**54
97%
Accurate 2015
<<locked>>
81%
40103
67%
**74
100%
[Accurate 2200]*
<<locked>>
81%
37376
62%
**41
93%
Accurate 2230
<<locked>>
81%
41452
69%
**26
97%
Accurate 2460
<<locked>>
81%
41640
69%
**36
99%
Accurate 2495
<<locked>>
81%
34360
57%
**51
100%
Accurate 2520
<<locked>>
81%
35114
58%
**60
98%
[Accurate 2700]*
<<locked>>
93%
42612
71%
**93
90%
Accurate 4064
<<locked>>
81%
28906
48%
**33
97%
[Accurate 4350]*
<<locked>>
92%
29660
49%
**92
90%
Alliant AR-Comp
<<locked>>
81%
35607
59%
**67
100%
[Alliant Power Pro 2000-MR]*
<<locked>>
81%
31778
53%
**18
90%
[Alliant Reloder- TS 15.5]*
<<locked>>
81%
28718
48%
**16
93%
Alliant Reloder-10x
<<locked>>
81%
43816
73%
**39
100%
[Alliant Reloder-15]*
<<locked>>
81%
31082
52%
**65
92%
[Alliant Reloder-16]*
<<locked>>
92%
32097
53%
**05
90%
[Alliant Reloder-17]*
<<locked>>
84%
28108
47%
**29
90%
Baschieri & Pellagri 106
<<locked>>
81%
45730
76%
**20
100%
[Baschieri & Pellagri 107]*
<<locked>>
81%
33939
56%
**21
92%
[Bofors RP3]*
<<locked>>
81%
27818
46%
**06
93%
Hodgdon BL-C2
<<locked>>
81%
35172
58%
**74
96%
Hodgdon Benchmark
<<locked>>
81%
39624
66%
**60
98%
[Hodgdon CFE223]*
<<locked>>
82%
30966
51%
**75
90%
Hodgdon H322
<<locked>>
81%
39392
65%
**10
100%
Hodgdon H335
<<locked>>
81%
45556
76%
**18
100%
[Hodgdon H380]*
<<locked>>
83%
31111
52%
**56
90%
[Hodgdon H414]*
<<locked>>
94%
39175
65%
**59
90%
Hodgdon H4198
<<locked>>
81%
49197
82%
**69
100%
Hodgdon H4895
<<locked>>
81%
35462
59%
**47
95%
[Hodgdon Hybrid 100V]*
<<locked>>
90%
27354
45%
**70
90%
[Hodgdon LVR]*
<<locked>>
91%
33228
55%
**24
90%
[Hodgdon VARGET]*
<<locked>>
81%
29936
50%
**96
91%
IMR 3031
<<locked>>
81%
31009
52%
**92
99%
[IMR 4064]*
<<locked>>
81%
29399
49%
**80
91%
[IMR 4166 Enduron]*
<<locked>>
90%
38943
65%
**38
90%
IMR 4198
<<locked>>
81%
44860
75%
**13
100%
[IMR 4451 Enduron]*
<<locked>>
92%
39494
66%
**83
90%
[IMR 4895]*
<<locked>>
81%
31807
53%
**95
93%
IMR 8208 XBR
<<locked>>
81%
37304
62%
**54
97%
Lovex D073.4
<<locked>>
81%
43540
72%
**56
99%
Lovex D073.5
<<locked>>
81%
41234
69%
**29
99%
Lovex D073.6
<<locked>>
81%
33098
55%
**18
97%
Lovex S060
<<locked>>
81%
36390
60%
**95
95%
Lovex S062
<<locked>>
81%
30908
51%
**36
95%
[Lovex S065]*
<<locked>>
90%
33765
56%
**85
90%
Norma 200
<<locked>>
81%
49487
82%
**98
100%
Norma 201
<<locked>>
81%
34592
57%
**05
96%
Norma 202
<<locked>>
81%
34360
57%
**18
98%
[Norma 203B]*
<<locked>>
81%
30618
51%
**56
93%
[Norma URP]*
<<locked>>
92%
31328
52%
**98
90%
[Ramshot Big Game]*
<<locked>>
81%
30255
50%
**56
92%
[Ramshot TAC]*
<<locked>>
81%
37101
62%
**41
92%
Ramshot Wild Boar
<<locked>>
81%
36013
60%
**60
95%
Ramshot X-Terminator
<<locked>>
81%
40654
68%
**00
96%
ReloadSwiss RS 14
<<locked>>
93%
31183
52%
**76
100%
ReloadSwiss RS 40
<<locked>>
81%
41858
70%
**36
99%
[ReloadSwiss RS 50]*
<<locked>>
87%
36999
61%
**51
90%
[ReloadSwiss RS 52]*
<<locked>>
81%
31908
53%
**38
92%
[ReloadSwiss RS 60]*
<<locked>>
81%
26963
45%
**06
93%
[ReloadSwiss RS 62]*
<<locked>>
94%
32111
53%
**38
90%
Rottweil R 901
<<locked>>
81%
38101
63%
**57
99%
Rottweil R 902
<<locked>>
81%
33054
55%
**62
95%
[Rottweil R 903]*
<<locked>>
81%
26150
43%
**57
91%
SNPE Vectan SP 10
<<locked>>
81%
46760
78%
**31
100%
[SNPE Vectan SP 11]*
<<locked>>
81%
27847
46%
**93
90%
[SNPE Vectan SP 7]*
<<locked>>
81%
34809
58%
**11
92%
[SNPE Vectan SP 9]*
<<locked>>
81%
33823
56%
**05
94%
SNPE Vectan Tubal 3000
<<locked>>
81%
36492
61%
**85
99%
SNPE Vectan Tubal 5000
<<locked>>
81%
29762
49%
**64
98%
[Shooters World Long Rifle]*
<<locked>>
90%
33765
56%
**85
90%
Shooters World Match Rifle
<<locked>>
81%
33098
55%
**18
97%
Shooters World Precision
<<locked>>
81%
30908
51%
**36
95%
Shooters World Tactical Rifle
<<locked>>
81%
44570
74%
**52
98%
Somchem S321
<<locked>>
81%
39552
66%
**26
98%
Somchem S335
<<locked>>
81%
35752
59%
**85
99%
[Somchem S341]*
<<locked>>
81%
34461
57%
**15
94%
[Somchem S355]*
<<locked>>
81%
27441
46%
**73
92%
[Somchem S365]*
<<locked>>
88%
24816
41%
**47
90%
Vihtavuori N120
<<locked>>
81%
47877
80%
**97
100%
Vihtavuori N130
<<locked>>
81%
40625
67%
**47
100%
Vihtavuori N133
<<locked>>
81%
34026
57%
**46
100%
Vihtavuori N135
<<locked>>
81%
26469
44%
**44
98%
Vihtavuori N140
<<locked>>
81%
32126
53%
**56
98%
[Vihtavuori N150]*
<<locked>>
81%
23496
39%
**49
91%
[Vihtavuori N160]*
<<locked>>
89%
31386
52%
**65
90%
Vihtavuori N530
<<locked>>
81%
39175
65%
**00
97%
Vihtavuori N540
<<locked>>
81%
31836
53%
**69
98%
[Vihtavuori N550]*
<<locked>>
88%
30647
51%
**88
90%
[Winchester 6.5 StaBALL]*
<<locked>>
85%
27354
45%
**34
90%
Winchester 748
<<locked>>
81%
38377
64%
**36
98%
[Winchester 760]*
<<locked>>
94%
39175
65%
**59
90%
Winchester StaBALL Match
<<locked>>
81%
40857
68%
**65
97%

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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