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Load data for 9.3 x 66 Sako (370 Sako Mag) + .366 | 286gr | North Fork Semi Spitz

Recommended Powder(s): Baschieri & Pellagri 107, Hodgdon BL-C2, Hodgdon LEVERevolution, IMR 4895, ReloadSwiss RS 52

9.3 x 66 Sako (370 Sako Mag) + .366 | 286gr | North Fork Semi Spitz

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.366 | 286gr | North Fork Semi Spitz
Manufacturer SKU:
366286SS
Bullet Weight:
286gr | 18.5g
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_B12340_C1263
Last updated:
2026-06-01

Load data for 200 loads in caliber 9.3 x 66 Sako (370 Sako Mag) with .366 | 286gr | North Fork Semi Spitz bullet and 100 powders such as Baschieri & Pellagri 107, Hodgdon BL-C2, Hodgdon LEVERevolution, IMR 4895, ReloadSwiss RS 52. 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>>
93%
53693
89%
**62
99%
ADI AR 2208
<<locked>>
97%
50705
84%
**03
99%
ADI AR 2219
<<locked>>
84%
53156
88%
**16
100%
ADI Benchmark 8208
<<locked>>
91%
53809
89%
**33
100%
Accurate 2015
<<locked>>
90%
53359
89%
**67
100%
Accurate 2460
<<locked>>
87%
53548
89%
**13
100%
Accurate 2495
<<locked>>
96%
53243
88%
**20
100%
Accurate 2520
<<locked>>
91%
53983
90%
**56
100%
Accurate 2700
<<locked>>
95%
54143
90%
**97
95%
Accurate 4064
<<locked>>
97%
50473
84%
**23
100%
Accurate 4350
<<locked>>
97%
36782
61%
**82
95%
Alliant AR-Comp
<<locked>>
92%
53432
89%
**23
100%
Alliant Power Pro 2000-MR
<<locked>>
95%
53809
89%
**64
99%
Alliant Reloder- TS 15.5
<<locked>>
97%
49980
83%
**33
100%
Alliant Reloder-10x
<<locked>>
86%
53621
89%
**74
100%
Alliant Reloder-15
<<locked>>
96%
53040
88%
**75
99%
Alliant Reloder-16
<<locked>>
96%
38493
64%
**92
95%
Alliant Reloder-17
<<locked>>
97%
43729
73%
**20
99%
Baschieri & Pellagri 106
<<locked>>
85%
53708
89%
**41
100%
Baschieri & Pellagri 107 👍
<<locked>>
93%
53432
89%
**79
99%
Bofors RP3
<<locked>>
97%
50082
83%
**43
100%
[Bofors RP7]*
<<locked>>
97%
45049
75%
**11
93%
Hodgdon BL-C2 👍
<<locked>>
92%
54085
90%
**82
100%
Hodgdon Benchmark
<<locked>>
89%
53127
88%
**83
100%
Hodgdon CFE223
<<locked>>
89%
53330
89%
**31
99%
Hodgdon H322
<<locked>>
86%
53156
88%
**16
100%
Hodgdon H335
<<locked>>
86%
53708
89%
**36
100%
Hodgdon H380
<<locked>>
97%
51982
86%
**52
98%
[Hodgdon H414]*
<<locked>>
97%
41321
69%
**34
93%
[Hodgdon H4350]*
<<locked>>
97%
46122
77%
**57
92%
Hodgdon H4895
<<locked>>
93%
54114
90%
**72
100%
Hodgdon Hybrid 100V
<<locked>>
97%
34969
58%
**00
96%
Hodgdon VARGET
<<locked>>
93%
53243
88%
**46
100%
Hodgdon LEVERevolution 👍
<<locked>>
96%
54085
90%
**15
100%
IMR 3031
<<locked>>
93%
53621
89%
**65
100%
IMR 4064
<<locked>>
97%
53490
89%
**36
99%
IMR 4166 Enduron
<<locked>>
94%
53679
89%
**03
96%
IMR 4198
<<locked>>
86%
53824
89%
**38
100%
[IMR 4350]*
<<locked>>
97%
39885
66%
**46
91%
[IMR 4451 Enduron]*
<<locked>>
96%
47239
78%
**41
94%
IMR 4831
<<locked>>
97%
36347
60%
**49
95%
IMR 4895 👍
<<locked>>
96%
53606
89%
**95
100%
IMR 8208 XBR
<<locked>>
91%
53809
89%
**33
100%
Lovex D073.4
<<locked>>
86%
53679
89%
**10
100%
Lovex D073.5
<<locked>>
87%
53476
89%
**20
100%
Lovex D073.6
<<locked>>
94%
53592
89%
**56
100%
Lovex S060
<<locked>>
93%
54099
90%
**00
99%
Lovex S062
<<locked>>
97%
52765
88%
**36
100%
Lovex S065
<<locked>>
97%
43018
71%
**95
95%
[Lovex S070]*
<<locked>>
97%
40886
68%
**78
93%
Norma 201
<<locked>>
94%
53853
89%
**36
100%
Norma 202
<<locked>>
94%
53853
89%
**39
100%
Norma 203B
<<locked>>
97%
53069
88%
**75
99%
Norma URP
<<locked>>
97%
38508
64%
**92
95%
Ramshot Big Game
<<locked>>
97%
53679
89%
**05
99%
[Ramshot Hunter]*
<<locked>>
97%
37985
63%
**75
92%
Ramshot TAC
<<locked>>
91%
53577
89%
**36
98%
Ramshot Wild Boar
<<locked>>
91%
53098
88%
**62
99%
Ramshot X-Terminator
<<locked>>
89%
54157
90%
**23
99%
ReloadSwiss RS 40
<<locked>>
87%
53969
90%
**26
100%
ReloadSwiss RS 50
<<locked>>
97%
52083
87%
**26
96%
ReloadSwiss RS 52 👍
<<locked>>
95%
53650
89%
**38
99%
ReloadSwiss RS 60
<<locked>>
97%
46833
78%
**75
100%
ReloadSwiss RS 62
<<locked>>
97%
37681
63%
**05
95%
[ReloadSwiss RS 70]*
<<locked>>
97%
39218
65%
**11
94%
Rottweil R 901
<<locked>>
91%
54172
90%
**10
100%
Rottweil R 902
<<locked>>
95%
53577
89%
**23
100%
Rottweil R 903
<<locked>>
97%
46557
77%
**90
99%
[Rottweil R 907]*
<<locked>>
97%
45049
75%
**11
93%
SNPE Vectan SP 10
<<locked>>
84%
53693
89%
**33
100%
SNPE Vectan SP 11
<<locked>>
97%
48370
80%
**39
99%
SNPE Vectan SP 3
<<locked>>
86%
53940
90%
**83
100%
SNPE Vectan SP 7
<<locked>>
92%
53606
89%
**39
98%
SNPE Vectan SP 9
<<locked>>
94%
53200
88%
**52
99%
SNPE Vectan Tubal 3000
<<locked>>
92%
53592
89%
**54
100%
SNPE Vectan Tubal 5000
<<locked>>
96%
50343
84%
**28
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
97%
42467
71%
**56
93%
Shooters World Long Rifle
<<locked>>
97%
43018
71%
**95
95%
Shooters World Match Rifle
<<locked>>
94%
53592
89%
**56
100%
Shooters World Precision
<<locked>>
97%
52765
88%
**36
100%
Shooters World Tactical Rifle
<<locked>>
85%
53679
89%
**97
100%
Somchem S321
<<locked>>
89%
53795
89%
**52
100%
Somchem S335
<<locked>>
93%
53519
89%
**67
100%
Somchem S341
<<locked>>
93%
53998
90%
**49
99%
Somchem S355
<<locked>>
97%
47079
78%
**87
99%
Somchem S365
<<locked>>
97%
34171
57%
**46
97%
Vihtavuori N130
<<locked>>
88%
53461
89%
**34
100%
Vihtavuori N133
<<locked>>
92%
54056
90%
**54
100%
Vihtavuori N135
<<locked>>
96%
51184
85%
**87
100%
Vihtavuori N140
<<locked>>
95%
53563
89%
**10
100%
Vihtavuori N150
<<locked>>
97%
45832
76%
**38
100%
Vihtavuori N160
<<locked>>
97%
40263
67%
**88
96%
Vihtavuori N530
<<locked>>
91%
54099
90%
**29
100%
Vihtavuori N540
<<locked>>
96%
53969
90%
**36
100%
Vihtavuori N550
<<locked>>
97%
39610
66%
**05
95%
[Vihtavuori N555]*
<<locked>>
97%
28355
47%
**31
92%
Winchester 6.5 StaBALL
<<locked>>
97%
41220
68%
**82
98%
Winchester 748
<<locked>>
92%
54056
90%
**85
100%
[Winchester 760]*
<<locked>>
97%
41321
69%
**34
93%
Winchester StaBALL Match
<<locked>>
94%
53824
89%
**75
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
37101
62%
**06
97%
[ADI AR 2208]*
<<locked>>
81%
31546
52%
**78
94%
ADI AR 2219
<<locked>>
81%
48747
81%
**64
100%
ADI Benchmark 8208
<<locked>>
81%
39117
65%
**19
98%
Accurate 2015
<<locked>>
81%
40509
67%
**03
100%
Accurate 2460
<<locked>>
81%
43627
72%
**82
100%
Accurate 2495
<<locked>>
81%
32808
55%
**31
100%
Accurate 2520
<<locked>>
81%
38740
64%
**42
99%
[Accurate 2700]*
<<locked>>
85%
37956
63%
**54
90%
Accurate 4064
<<locked>>
81%
30937
51%
**14
99%
[Accurate 4350]*
<<locked>>
87%
26600
44%
**59
90%
Alliant AR-Comp
<<locked>>
81%
37521
62%
**19
100%
[Alliant Power Pro 2000-MR]*
<<locked>>
81%
33475
56%
**03
93%
Alliant Reloder- TS 15.5
<<locked>>
81%
30197
50%
**95
95%
Alliant Reloder-10x
<<locked>>
81%
46021
76%
**85
100%
Alliant Reloder-15
<<locked>>
81%
32953
55%
**41
95%
[Alliant Reloder-16]*
<<locked>>
86%
28616
48%
**65
90%
[Alliant Reloder-17]*
<<locked>>
81%
26585
44%
**46
91%
Baschieri & Pellagri 106
<<locked>>
81%
47921
80%
**69
100%
Baschieri & Pellagri 107
<<locked>>
81%
35882
60%
**00
95%
Bofors RP3
<<locked>>
81%
29327
49%
**91
95%
[Bofors RP7]*
<<locked>>
90%
36825
61%
**70
90%
Hodgdon BL-C2
<<locked>>
81%
36956
61%
**36
98%
Hodgdon Benchmark
<<locked>>
81%
41437
69%
**19
99%
Hodgdon CFE223
<<locked>>
81%
40596
67%
**38
97%
Hodgdon H322
<<locked>>
81%
44701
74%
**08
100%
Hodgdon H335
<<locked>>
81%
45237
75%
**28
100%
[Hodgdon H380]*
<<locked>>
81%
31053
52%
**98
92%
[Hodgdon H414]*
<<locked>>
92%
35012
58%
**10
90%
[Hodgdon H4350]*
<<locked>>
92%
39697
66%
**52
90%
Hodgdon H4895
<<locked>>
81%
37304
62%
**16
97%
[Hodgdon Hybrid 100V]*
<<locked>>
84%
24192
40%
**41
90%
Hodgdon VARGET
<<locked>>
81%
35940
60%
**73
97%
Hodgdon LEVERevolution
<<locked>>
81%
33127
55%
**77
96%
IMR 3031
<<locked>>
81%
35940
60%
**19
100%
IMR 4064
<<locked>>
81%
33054
55%
**05
95%
[IMR 4166 Enduron]*
<<locked>>
81%
36027
60%
**24
91%
IMR 4198
<<locked>>
81%
46804
78%
**52
100%
[IMR 4350]*
<<locked>>
94%
36825
61%
**90
90%
[IMR 4451 Enduron]*
<<locked>>
87%
35534
59%
**44
90%
[IMR 4831]*
<<locked>>
87%
26731
44%
**36
90%
IMR 4895
<<locked>>
81%
33576
56%
**70
96%
IMR 8208 XBR
<<locked>>
81%
39117
65%
**19
98%
Lovex D073.4
<<locked>>
81%
45716
76%
**11
100%
Lovex D073.5
<<locked>>
81%
43526
72%
**92
100%
Lovex D073.6
<<locked>>
81%
34911
58%
**87
99%
Lovex S060
<<locked>>
81%
38087
63%
**60
97%
Lovex S062
<<locked>>
81%
32663
54%
**11
97%
[Lovex S065]*
<<locked>>
85%
30284
50%
**55
90%
[Lovex S070]*
<<locked>>
91%
33997
56%
**51
90%
Norma 201
<<locked>>
81%
36521
61%
**73
98%
Norma 202
<<locked>>
81%
36332
60%
**83
99%
Norma 203B
<<locked>>
81%
32343
54%
**37
95%
[Norma URP]*
<<locked>>
86%
27514
46%
**52
90%
[Ramshot Big Game]*
<<locked>>
81%
31937
53%
**41
94%
[Ramshot Hunter]*
<<locked>>
93%
33301
55%
**77
90%
[Ramshot TAC]*
<<locked>>
81%
39146
65%
**16
94%
Ramshot Wild Boar
<<locked>>
81%
37956
63%
**33
97%
Ramshot X-Terminator
<<locked>>
81%
42380
70%
**59
98%
ReloadSwiss RS 40
<<locked>>
81%
44092
73%
**92
100%
[ReloadSwiss RS 50]*
<<locked>>
82%
32735
54%
**05
90%
ReloadSwiss RS 52
<<locked>>
81%
33837
56%
**16
95%
ReloadSwiss RS 60
<<locked>>
81%
28282
47%
**98
96%
[ReloadSwiss RS 62]*
<<locked>>
89%
28805
48%
**11
90%
[ReloadSwiss RS 70]*
<<locked>>
91%
32793
54%
**70
90%
Rottweil R 901
<<locked>>
81%
39972
66%
**13
100%
Rottweil R 902
<<locked>>
81%
34519
57%
**28
97%
[Rottweil R 903]*
<<locked>>
81%
27717
46%
**42
94%
[Rottweil R 907]*
<<locked>>
90%
36825
61%
**70
90%
SNPE Vectan SP 10
<<locked>>
81%
49269
82%
**74
100%
[SNPE Vectan SP 11]*
<<locked>>
81%
29254
49%
**85
93%
SNPE Vectan SP 3
<<locked>>
81%
46891
78%
**98
100%
[SNPE Vectan SP 7]*
<<locked>>
81%
36912
61%
**83
94%
SNPE Vectan SP 9
<<locked>>
81%
35592
59%
**77
96%
SNPE Vectan Tubal 3000
<<locked>>
81%
38464
64%
**47
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
31270
52%
**36
99%
[SNPE Vectan Tubal 7000]*
<<locked>>
90%
33649
56%
**05
90%
[Shooters World Long Rifle]*
<<locked>>
85%
30284
50%
**55
90%
Shooters World Match Rifle
<<locked>>
81%
34911
58%
**87
99%
Shooters World Precision
<<locked>>
81%
32663
54%
**11
97%
Shooters World Tactical Rifle
<<locked>>
81%
46847
78%
**08
99%
Somchem S321
<<locked>>
81%
41872
70%
**85
99%
Somchem S335
<<locked>>
81%
37782
63%
**51
100%
Somchem S341
<<locked>>
81%
36535
61%
**90
96%
[Somchem S355]*
<<locked>>
81%
29153
48%
**59
94%
[Somchem S365]*
<<locked>>
83%
22307
37%
**31
90%
Vihtavuori N130
<<locked>>
81%
43613
72%
**06
100%
Vihtavuori N133
<<locked>>
81%
38348
64%
**51
100%
Vihtavuori N135
<<locked>>
81%
31618
53%
**95
100%
Vihtavuori N140
<<locked>>
81%
34258
57%
**34
99%
Vihtavuori N150
<<locked>>
81%
27557
46%
**09
95%
[Vihtavuori N160]*
<<locked>>
85%
27818
46%
**29
90%
Vihtavuori N530
<<locked>>
81%
38885
65%
**13
98%
Vihtavuori N540
<<locked>>
81%
32982
55%
**21
99%
[Vihtavuori N550]*
<<locked>>
86%
27949
46%
**55
90%
[Vihtavuori N555]*
<<locked>>
94%
26121
43%
**69
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
25164
42%
**34
91%
Winchester 748
<<locked>>
81%
37652
63%
**46
99%
[Winchester 760]*
<<locked>>
91%
35012
58%
**10
90%
Winchester StaBALL Match
<<locked>>
81%
34505
57%
**77
96%

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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