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Load data for 9.3 x 66 Sako (370 Sako Mag) + .366 | 286gr | Norma Soft Point ALASKA

Recommended Powder(s): Baschieri & Pellagri 107, IMR 4895, Norma 203B, Ramshot Big Game, ReloadSwiss RS 52

9.3 x 66 Sako (370 Sako Mag) + .366 | 286gr | Norma Soft Point ALASKA

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.366 | 286gr | Norma Soft Point ALASKA
Manufacturer SKU:
69316
Bullet Weight:
286gr | 18.5g
Bullet Diameter:
0.366" | 9.30mm
Bullet Length:
1.279" | 32.5mm
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:
0.579" | 14.7mm
Shank Seated Depth:
0.579" | 14.7mm
Case Capacity:
81.0 Grains of Water | 5.26 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
60191 psi | 4150 bar
LID:
LID_B3905_C1263
Last updated:
2025-01-01

Load data for 188 loads in caliber 9.3 x 66 Sako (370 Sako Mag) with .366 | 286gr | Norma Soft Point ALASKA bullet and 94 powders such as Baschieri & Pellagri 107, IMR 4895, Norma 203B, Ramshot Big Game, 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".

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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>>
91%
54172
90%
**95
100%
ADI AR 2208
<<locked>>
97%
54056
90%
**82
99%
Accurate 2015
<<locked>>
87%
53548
89%
**97
100%
Accurate 2200
<<locked>>
89%
53650
89%
**52
99%
Accurate 2230
<<locked>>
85%
54027
90%
**49
100%
Accurate 2460
<<locked>>
85%
52997
88%
**43
100%
Accurate 2495
<<locked>>
90%
53824
89%
**65
100%
Accurate 2520
<<locked>>
90%
53925
90%
**85
100%
Accurate 2700
<<locked>>
97%
52982
88%
**06
95%
Accurate 4064
<<locked>>
96%
53461
89%
**82
100%
Accurate 4350
<<locked>>
97%
40364
67%
**67
97%
Alliant AR-Comp
<<locked>>
89%
53156
88%
**43
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
53461
89%
**02
100%
Alliant Reloder-10x
<<locked>>
84%
53563
89%
**97
100%
Alliant Reloder-15
<<locked>>
94%
53635
89%
**08
99%
Alliant Reloder-16
<<locked>>
97%
40959
68%
**70
97%
Alliant Reloder-17
<<locked>>
97%
46412
77%
**95
99%
[Alliant Reloder-23]*
<<locked>>
97%
28964
48%
**37
93%
Baschieri & Pellagri 107 👍
<<locked>>
92%
54056
90%
**15
99%
Hodgdon BL-C2
<<locked>>
90%
53447
89%
**15
100%
Hodgdon Benchmark
<<locked>>
88%
53345
89%
**13
100%
Hodgdon CFE223
<<locked>>
95%
53563
89%
**44
99%
Hodgdon H322
<<locked>>
87%
53534
89%
**49
100%
Hodgdon H380
<<locked>>
96%
53635
89%
**02
99%
Hodgdon H414
<<locked>>
97%
48834
81%
**82
96%
[Hodgdon H4350]*
<<locked>>
97%
39943
66%
**75
92%
Hodgdon Hybrid 100V
<<locked>>
97%
37478
62%
**75
97%
Hodgdon LVR
<<locked>>
97%
45136
75%
**20
97%
[Hodgdon Superperformance]*
<<locked>>
97%
44469
74%
**20
93%
Hodgdon VARGET
<<locked>>
97%
53447
89%
**69
99%
IMR 3031
<<locked>>
94%
53316
89%
**85
100%
IMR 4064
<<locked>>
97%
52547
87%
**49
99%
IMR 4166 Enduron
<<locked>>
97%
53084
88%
**26
96%
IMR 4198
<<locked>>
84%
53505
89%
**54
100%
[IMR 4350]*
<<locked>>
97%
42351
70%
**18
93%
IMR 4451 Enduron
<<locked>>
97%
49763
83%
**13
96%
IMR 4831
<<locked>>
97%
35027
58%
**49
95%
IMR 4895 👍
<<locked>>
94%
53867
90%
**21
100%
IMR 8208 XBR
<<locked>>
89%
53417
89%
**52
100%
Lovex D073.4
<<locked>>
84%
54099
90%
**46
100%
Lovex D073.5
<<locked>>
85%
53679
89%
**49
100%
Lovex D073.6
<<locked>>
92%
53925
90%
**85
100%
Lovex S060
<<locked>>
91%
54070
90%
**33
100%
Lovex S062
<<locked>>
95%
53708
89%
**72
100%
Lovex S065
<<locked>>
97%
45832
76%
**70
96%
Lovex S070
<<locked>>
97%
43729
73%
**51
95%
Norma 201
<<locked>>
92%
53258
88%
**52
100%
Norma 202
<<locked>>
92%
54012
90%
**62
100%
Norma 203B 👍
<<locked>>
95%
53403
89%
**11
100%
Norma URP
<<locked>>
97%
41234
69%
**67
97%
Ramshot Big Game 👍
<<locked>>
95%
53403
89%
**28
100%
[Ramshot Hunter]*
<<locked>>
97%
40567
67%
**54
94%
Ramshot TAC
<<locked>>
89%
53432
89%
**65
98%
Ramshot Wild Boar
<<locked>>
90%
53359
89%
**95
100%
Ramshot X-Terminator
<<locked>>
87%
53911
90%
**49
100%
ReloadSwiss RS 40
<<locked>>
86%
53751
89%
**49
100%
ReloadSwiss RS 50
<<locked>>
96%
53925
90%
**79
97%
ReloadSwiss RS 52 👍
<<locked>>
96%
54085
90%
**48
100%
ReloadSwiss RS 60
<<locked>>
97%
45208
75%
**85
100%
ReloadSwiss RS 62
<<locked>>
97%
40030
66%
**77
96%
ReloadSwiss RS 70
<<locked>>
97%
41466
69%
**90
95%
Rottweil R 901
<<locked>>
89%
53925
90%
**33
100%
Rottweil R 902
<<locked>>
94%
53882
90%
**52
100%
Rottweil R 903
<<locked>>
97%
50053
83%
**62
100%
Rottweil R 907
<<locked>>
97%
48051
80%
**83
95%
SNPE Vectan SP 11
<<locked>>
97%
51590
86%
**08
99%
SNPE Vectan SP 7
<<locked>>
90%
53229
88%
**65
98%
SNPE Vectan SP 9
<<locked>>
92%
53330
89%
**85
100%
SNPE Vectan Tubal 3000
<<locked>>
91%
54041
90%
**90
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
53330
89%
**83
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
45556
76%
**24
95%
Shooters World Long Rifle
<<locked>>
97%
45832
76%
**70
96%
Shooters World Match Rifle
<<locked>>
92%
53925
90%
**85
100%
Shooters World Precision
<<locked>>
95%
53708
89%
**72
100%
Shooters World Tactical Rifle
<<locked>>
83%
53156
88%
**16
100%
Somchem S321
<<locked>>
87%
53751
89%
**79
100%
Somchem S335
<<locked>>
91%
53809
89%
**97
100%
Somchem S341
<<locked>>
91%
53374
89%
**72
100%
Somchem S355
<<locked>>
97%
50502
84%
**59
100%
Somchem S365
<<locked>>
97%
36579
61%
**24
99%
Vihtavuori N130
<<locked>>
87%
53621
89%
**60
100%
Vihtavuori N133
<<locked>>
93%
53548
89%
**77
100%
Vihtavuori N135
<<locked>>
97%
48602
81%
**77
100%
Vihtavuori N140
<<locked>>
94%
53780
89%
**39
100%
Vihtavuori N150
<<locked>>
97%
42873
71%
**21
100%
Vihtavuori N160
<<locked>>
97%
45585
76%
**03
98%
Vihtavuori N530
<<locked>>
88%
53737
89%
**69
100%
Vihtavuori N540
<<locked>>
94%
53896
90%
**72
100%
Vihtavuori N550
<<locked>>
97%
45397
75%
**39
98%
[Vihtavuori N555]*
<<locked>>
97%
30153
50%
**96
94%
Winchester 6.5 StaBALL
<<locked>>
97%
43932
73%
**57
99%
Winchester 748
<<locked>>
87%
53722
89%
**08
100%
Winchester 760
<<locked>>
97%
48834
81%
**82
96%
Winchester StaBALL Match
<<locked>>
85%
53882
90%
**05
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
39450
66%
**75
98%
ADI AR 2208
<<locked>>
81%
33417
56%
**41
95%
Accurate 2015
<<locked>>
81%
44730
74%
**82
100%
Accurate 2200
<<locked>>
81%
41437
69%
**72
97%
Accurate 2230
<<locked>>
81%
46746
78%
**51
99%
Accurate 2460
<<locked>>
81%
46673
78%
**60
100%
Accurate 2495
<<locked>>
81%
39276
65%
**72
100%
Accurate 2520
<<locked>>
81%
39885
66%
**95
100%
[Accurate 2700]*
<<locked>>
85%
36201
60%
**44
90%
Accurate 4064
<<locked>>
81%
33185
55%
**80
99%
[Accurate 4350]*
<<locked>>
83%
25396
42%
**46
90%
Alliant AR-Comp
<<locked>>
81%
40277
67%
**75
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
32198
53%
**57
97%
Alliant Reloder-10x
<<locked>>
81%
48602
81%
**38
100%
Alliant Reloder-15
<<locked>>
81%
35186
58%
**13
96%
[Alliant Reloder-16]*
<<locked>>
83%
27383
45%
**62
90%
[Alliant Reloder-17]*
<<locked>>
81%
28152
47%
**14
93%
[Alliant Reloder-23]*
<<locked>>
92%
24961
41%
**23
90%
Baschieri & Pellagri 107
<<locked>>
81%
38145
63%
**69
96%
Hodgdon BL-C2
<<locked>>
81%
39784
66%
**15
99%
Hodgdon Benchmark
<<locked>>
81%
43613
72%
**78
100%
[Hodgdon CFE223]*
<<locked>>
81%
33228
55%
**03
94%
Hodgdon H322
<<locked>>
81%
43627
72%
**15
100%
[Hodgdon H380]*
<<locked>>
81%
32692
54%
**54
93%
[Hodgdon H414]*
<<locked>>
85%
33330
55%
**00
90%
[Hodgdon H4350]*
<<locked>>
93%
35723
59%
**96
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
23250
39%
**37
90%
[Hodgdon LVR]*
<<locked>>
82%
28369
47%
**82
90%
[Hodgdon Superperformance]*
<<locked>>
91%
36912
61%
**75
90%
Hodgdon VARGET
<<locked>>
81%
33228
55%
**37
95%
IMR 3031
<<locked>>
81%
35317
59%
**26
100%
IMR 4064
<<locked>>
81%
32692
54%
**21
95%
[IMR 4166 Enduron]*
<<locked>>
81%
33199
55%
**91
90%
IMR 4198
<<locked>>
81%
49400
82%
**08
100%
[IMR 4350]*
<<locked>>
91%
35186
58%
**87
90%
[IMR 4451 Enduron]*
<<locked>>
84%
33823
56%
**34
90%
[IMR 4831]*
<<locked>>
87%
25802
43%
**36
90%
IMR 4895
<<locked>>
81%
36042
60%
**39
97%
IMR 8208 XBR
<<locked>>
81%
41495
69%
**85
99%
Lovex D073.4
<<locked>>
81%
48385
80%
**70
100%
Lovex D073.5
<<locked>>
81%
46412
77%
**57
100%
Lovex D073.6
<<locked>>
81%
37391
62%
**52
99%
Lovex S060
<<locked>>
81%
40074
67%
**23
98%
Lovex S062
<<locked>>
81%
34737
58%
**77
98%
[Lovex S065]*
<<locked>>
82%
29037
48%
**46
90%
[Lovex S070]*
<<locked>>
87%
32271
54%
**37
90%
Norma 201
<<locked>>
81%
38653
64%
**36
99%
Norma 202
<<locked>>
81%
38508
64%
**42
100%
Norma 203B
<<locked>>
81%
34577
57%
**03
96%
[Norma URP]*
<<locked>>
83%
26731
44%
**55
90%
Ramshot Big Game
<<locked>>
81%
33895
56%
**06
96%
[Ramshot Hunter]*
<<locked>>
89%
31589
52%
**67
90%
Ramshot TAC
<<locked>>
81%
41234
69%
**78
95%
Ramshot Wild Boar
<<locked>>
81%
40118
67%
**95
98%
Ramshot X-Terminator
<<locked>>
81%
44730
74%
**21
99%
ReloadSwiss RS 40
<<locked>>
81%
46688
78%
**57
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
33562
56%
**47
91%
ReloadSwiss RS 52
<<locked>>
81%
32793
54%
**13
98%
[ReloadSwiss RS 60]*
<<locked>>
81%
27383
45%
**95
94%
[ReloadSwiss RS 62]*
<<locked>>
85%
27470
46%
**01
90%
[ReloadSwiss RS 70]*
<<locked>>
88%
30850
51%
**60
90%
Rottweil R 901
<<locked>>
81%
42511
71%
**75
100%
Rottweil R 902
<<locked>>
81%
36564
61%
**90
98%
Rottweil R 903
<<locked>>
81%
29878
50%
**14
96%
[Rottweil R 907]*
<<locked>>
86%
34780
58%
**57
90%
SNPE Vectan SP 11
<<locked>>
81%
31038
52%
**51
95%
SNPE Vectan SP 7
<<locked>>
81%
39204
65%
**52
95%
SNPE Vectan SP 9
<<locked>>
81%
37739
63%
**46
97%
SNPE Vectan Tubal 3000
<<locked>>
81%
40321
67%
**00
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
32909
55%
**91
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
86%
31952
53%
**95
90%
[Shooters World Long Rifle]*
<<locked>>
82%
29037
48%
**46
90%
Shooters World Match Rifle
<<locked>>
81%
37391
62%
**52
99%
Shooters World Precision
<<locked>>
81%
34737
58%
**77
98%
Shooters World Tactical Rifle
<<locked>>
81%
49095
82%
**67
100%
Somchem S321
<<locked>>
81%
44527
74%
**51
100%
Somchem S335
<<locked>>
81%
39856
66%
**10
100%
Somchem S341
<<locked>>
81%
38957
65%
**56
97%
Somchem S355
<<locked>>
81%
31053
52%
**24
96%
[Somchem S365]*
<<locked>>
81%
22510
37%
**60
91%
Vihtavuori N130
<<locked>>
81%
44991
75%
**52
100%
Vihtavuori N133
<<locked>>
81%
37942
63%
**64
100%
Vihtavuori N135
<<locked>>
81%
30081
50%
**85
100%
Vihtavuori N140
<<locked>>
81%
35781
59%
**83
100%
Vihtavuori N150
<<locked>>
81%
26440
44%
**06
95%
[Vihtavuori N160]*
<<locked>>
81%
27238
45%
**36
90%
Vihtavuori N530
<<locked>>
81%
43337
72%
**24
99%
Vihtavuori N540
<<locked>>
81%
35607
59%
**00
99%
[Vihtavuori N550]*
<<locked>>
81%
27108
45%
**72
91%
[Vihtavuori N555]*
<<locked>>
90%
24889
41%
**55
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
26643
44%
**00
93%
Winchester 748
<<locked>>
81%
43366
72%
**64
100%
[Winchester 760]*
<<locked>>
85%
33330
55%
**00
90%
Winchester StaBALL Match
<<locked>>
81%
45803
76%
**97
99%

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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