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Load data for 9.3 x 66 Sako (370 Sako Mag) + .366 | 286gr | Woodleigh RN SN

Recommended Powder(s): Alliant Power Pro 2000-MR, Hodgdon CFE223, Ramshot Big Game, ReloadSwiss RS 52, ReloadSwiss RS 60

9.3 x 66 Sako (370 Sako Mag) + .366 | 286gr | Woodleigh RN SN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.366 | 286gr | Woodleigh RN SN
Manufacturer SKU:
47
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_B12155_C1263
Last updated:
2026-02-06

Load data for 196 loads in caliber 9.3 x 66 Sako (370 Sako Mag) with .366 | 286gr | Woodleigh RN SN bullet and 98 powders such as Alliant Power Pro 2000-MR, Hodgdon CFE223, Ramshot Big Game, ReloadSwiss RS 52, ReloadSwiss RS 60. 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>>
90%
53417
89%
**98
100%
ADI AR 2208
<<locked>>
96%
53998
90%
**88
99%
Accurate 2015
<<locked>>
86%
53563
89%
**06
100%
Accurate 2200
<<locked>>
88%
53534
89%
**62
99%
Accurate 2230
<<locked>>
84%
53287
89%
**52
100%
Accurate 2460
<<locked>>
85%
54157
90%
**69
100%
Accurate 2495
<<locked>>
90%
53824
89%
**75
100%
Accurate 2520
<<locked>>
89%
53867
89%
**02
100%
Accurate 2700
<<locked>>
96%
53650
89%
**29
96%
Accurate 4064
<<locked>>
96%
54041
90%
**02
100%
Accurate 4350
<<locked>>
97%
42047
70%
**06
97%
Alliant AR-Comp
<<locked>>
89%
53664
89%
**52
100%
Alliant Power Pro 2000-MR 👍
<<locked>>
93%
53635
89%
**07
99%
Alliant Reloder- TS 15.5
<<locked>>
96%
53476
89%
**15
100%
Alliant Reloder-10x
<<locked>>
84%
53809
89%
**13
100%
Alliant Reloder-15
<<locked>>
94%
53592
89%
**21
100%
Alliant Reloder-16
<<locked>>
97%
42380
70%
**10
97%
Alliant Reloder-17
<<locked>>
97%
48443
80%
**41
100%
[Alliant Reloder-23]*
<<locked>>
97%
29733
49%
**70
94%
Baschieri & Pellagri 107
<<locked>>
91%
53867
89%
**25
99%
Bofors RP3
<<locked>>
96%
54099
90%
**28
100%
Bofors RP7
<<locked>>
97%
49052
81%
**13
95%
Hodgdon BL-C2
<<locked>>
89%
54099
90%
**31
100%
Hodgdon Benchmark
<<locked>>
87%
53606
89%
**29
100%
Hodgdon CFE223 👍
<<locked>>
94%
53693
89%
**64
99%
Hodgdon H322
<<locked>>
87%
53621
89%
**59
100%
Hodgdon H380
<<locked>>
95%
53983
90%
**18
99%
Hodgdon H414
<<locked>>
97%
50140
83%
**18
96%
[Hodgdon H4350]*
<<locked>>
97%
40799
68%
**05
93%
Hodgdon H4895
<<locked>>
90%
53867
89%
**08
100%
Hodgdon Hybrid 100V
<<locked>>
97%
38899
65%
**18
98%
Hodgdon LVR
<<locked>>
97%
46644
77%
**56
98%
[Hodgdon Superperformance]*
<<locked>>
97%
45876
76%
**59
94%
Hodgdon VARGET
<<locked>>
96%
53417
89%
**82
99%
IMR 3031
<<locked>>
94%
54157
90%
**05
100%
IMR 4064
<<locked>>
97%
54056
90%
**85
100%
IMR 4166 Enduron
<<locked>>
97%
53795
89%
**56
97%
IMR 4198
<<locked>>
83%
53780
89%
**70
100%
[IMR 4350]*
<<locked>>
97%
43018
71%
**44
94%
IMR 4451 Enduron
<<locked>>
97%
51285
85%
**49
96%
IMR 4831
<<locked>>
97%
35868
60%
**75
96%
IMR 4895
<<locked>>
93%
54085
90%
**38
100%
IMR 8208 XBR
<<locked>>
89%
53606
89%
**72
100%
Lovex D073.4
<<locked>>
83%
54085
90%
**52
100%
Lovex D073.5
<<locked>>
85%
53679
89%
**62
100%
Lovex D073.6
<<locked>>
91%
53867
89%
**02
100%
Lovex S060
<<locked>>
90%
53258
88%
**29
100%
Lovex S062
<<locked>>
94%
53708
89%
**85
100%
Lovex S065
<<locked>>
97%
47050
78%
**97
97%
Lovex S070
<<locked>>
97%
44498
74%
**77
95%
Norma 201
<<locked>>
91%
54012
90%
**75
100%
Norma 202
<<locked>>
91%
53505
89%
**65
100%
Norma 203B
<<locked>>
94%
53374
89%
**21
100%
[Norma 204]*
<<locked>>
97%
43453
72%
**74
92%
Norma URP
<<locked>>
97%
41829
69%
**93
97%
Ramshot Big Game 👍
<<locked>>
94%
53693
89%
**44
100%
Ramshot Hunter
<<locked>>
97%
41713
69%
**90
95%
Ramshot TAC
<<locked>>
88%
53824
89%
**85
98%
Ramshot Wild Boar
<<locked>>
89%
53679
89%
**08
100%
Ramshot X-Terminator
<<locked>>
86%
53345
89%
**59
100%
ReloadSwiss RS 40
<<locked>>
85%
54056
90%
**65
100%
ReloadSwiss RS 50
<<locked>>
94%
53156
88%
**82
97%
ReloadSwiss RS 52 👍
<<locked>>
92%
53316
89%
**80
100%
ReloadSwiss RS 60 👍
<<locked>>
97%
51837
86%
**93
100%
ReloadSwiss RS 62
<<locked>>
97%
41249
69%
**10
97%
ReloadSwiss RS 70
<<locked>>
97%
42975
71%
**29
96%
Rottweil R 901
<<locked>>
88%
53737
89%
**46
100%
Rottweil R 902
<<locked>>
93%
53940
90%
**69
100%
Rottweil R 903
<<locked>>
97%
50792
84%
**85
100%
Rottweil R 907
<<locked>>
97%
49052
81%
**13
95%
SNPE Vectan SP 11
<<locked>>
97%
53113
88%
**44
100%
SNPE Vectan SP 7
<<locked>>
90%
54041
90%
**92
99%
SNPE Vectan SP 9
<<locked>>
91%
53476
89%
**98
100%
SNPE Vectan Tubal 3000
<<locked>>
89%
53432
89%
**97
100%
SNPE Vectan Tubal 5000
<<locked>>
96%
53301
89%
**97
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
47152
78%
**57
95%
Shooters World Long Rifle
<<locked>>
97%
47050
78%
**97
97%
Shooters World Match Rifle
<<locked>>
91%
53867
89%
**02
100%
Shooters World Precision
<<locked>>
94%
53708
89%
**85
100%
Somchem S321
<<locked>>
86%
53737
89%
**92
100%
Somchem S335
<<locked>>
90%
53345
89%
**03
100%
Somchem S341
<<locked>>
90%
53592
89%
**85
100%
Somchem S355
<<locked>>
97%
51706
86%
**82
100%
Somchem S365
<<locked>>
97%
37246
62%
**54
99%
Vihtavuori N130
<<locked>>
86%
53563
89%
**70
100%
Vihtavuori N133
<<locked>>
92%
53359
89%
**87
100%
Vihtavuori N135
<<locked>>
97%
50212
83%
**06
100%
Vihtavuori N140
<<locked>>
93%
53867
90%
**52
100%
Vihtavuori N150
<<locked>>
97%
44092
73%
**54
100%
Vihtavuori N160
<<locked>>
97%
47007
78%
**36
98%
Vihtavuori N530
<<locked>>
87%
53969
90%
**82
100%
Vihtavuori N540
<<locked>>
93%
53795
89%
**82
100%
Vihtavuori N550
<<locked>>
97%
46499
77%
**69
98%
[Vihtavuori N555]*
<<locked>>
97%
31125
52%
**36
94%
Winchester 6.5 StaBALL
<<locked>>
97%
44889
75%
**80
99%
Winchester 748
<<locked>>
86%
53795
89%
**21
100%
Winchester 760
<<locked>>
97%
50140
83%
**18
96%
Winchester StaBALL Match
<<locked>>
85%
53708
89%
**15
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
40495
67%
**01
98%
ADI AR 2208
<<locked>>
81%
34403
57%
**73
96%
Accurate 2015
<<locked>>
81%
45701
76%
**05
100%
Accurate 2200
<<locked>>
81%
42424
70%
**98
97%
Accurate 2230
<<locked>>
81%
47601
79%
**80
100%
Accurate 2460
<<locked>>
81%
47921
80%
**87
100%
Accurate 2495
<<locked>>
81%
40364
67%
**95
100%
Accurate 2520
<<locked>>
81%
41205
68%
**24
100%
[Accurate 2700]*
<<locked>>
83%
34983
58%
**34
90%
Accurate 4064
<<locked>>
81%
33968
56%
**03
100%
[Accurate 4350]*
<<locked>>
82%
25280
42%
**52
90%
Alliant AR-Comp
<<locked>>
81%
41742
69%
**08
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
36318
60%
**08
96%
Alliant Reloder- TS 15.5
<<locked>>
81%
33272
55%
**90
97%
Alliant Reloder-10x
<<locked>>
81%
49676
83%
**64
100%
Alliant Reloder-15
<<locked>>
81%
36201
60%
**42
96%
[Alliant Reloder-16]*
<<locked>>
82%
26774
44%
**52
90%
[Alliant Reloder-17]*
<<locked>>
81%
28761
48%
**41
94%
[Alliant Reloder-23]*
<<locked>>
90%
24555
41%
**26
90%
Baschieri & Pellagri 107
<<locked>>
81%
38914
65%
**98
97%
Bofors RP3
<<locked>>
81%
32648
54%
**90
97%
[Bofors RP7]*
<<locked>>
85%
34316
57%
**60
90%
Hodgdon BL-C2
<<locked>>
81%
40915
68%
**41
99%
Hodgdon Benchmark
<<locked>>
81%
44556
74%
**05
100%
Hodgdon CFE223
<<locked>>
81%
34258
57%
**39
95%
Hodgdon H322
<<locked>>
81%
44947
75%
**47
100%
[Hodgdon H380]*
<<locked>>
81%
34040
57%
**96
94%
[Hodgdon H414]*
<<locked>>
84%
32518
54%
**00
90%
[Hodgdon H4350]*
<<locked>>
91%
34722
58%
**90
90%
Hodgdon H4895
<<locked>>
81%
40770
68%
**15
99%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
23975
40%
**70
91%
[Hodgdon LVR]*
<<locked>>
81%
28239
47%
**91
91%
[Hodgdon Superperformance]*
<<locked>>
89%
35926
60%
**72
90%
Hodgdon VARGET
<<locked>>
81%
34229
57%
**70
96%
IMR 3031
<<locked>>
81%
36201
60%
**52
100%
IMR 4064
<<locked>>
81%
33591
56%
**51
96%
[IMR 4166 Enduron]*
<<locked>>
81%
34142
57%
**24
91%
IMR 4198
<<locked>>
81%
50459
84%
**28
100%
[IMR 4350]*
<<locked>>
89%
34360
57%
**83
90%
[IMR 4451 Enduron]*
<<locked>>
82%
32996
55%
**31
90%
[IMR 4831]*
<<locked>>
85%
25309
42%
**29
90%
IMR 4895
<<locked>>
81%
37086
62%
**69
97%
IMR 8208 XBR
<<locked>>
81%
42569
71%
**11
99%
Lovex D073.4
<<locked>>
81%
49966
83%
**03
100%
Lovex D073.5
<<locked>>
81%
47500
79%
**83
100%
Lovex D073.6
<<locked>>
81%
38421
64%
**82
100%
Lovex S060
<<locked>>
81%
41133
68%
**52
98%
Lovex S062
<<locked>>
81%
35824
60%
**06
98%
[Lovex S065]*
<<locked>>
81%
29124
48%
**59
90%
[Lovex S070]*
<<locked>>
86%
31633
53%
**31
90%
Norma 201
<<locked>>
81%
39392
65%
**59
99%
Norma 202
<<locked>>
81%
39668
66%
**75
100%
Norma 203B
<<locked>>
81%
35592
59%
**33
97%
[Norma 204]*
<<locked>>
94%
39581
66%
**08
90%
[Norma URP]*
<<locked>>
82%
26266
44%
**52
90%
Ramshot Big Game
<<locked>>
81%
34780
58%
**36
96%
[Ramshot Hunter]*
<<locked>>
88%
31430
52%
**73
90%
Ramshot TAC
<<locked>>
81%
42148
70%
**08
96%
Ramshot Wild Boar
<<locked>>
81%
41437
69%
**28
98%
Ramshot X-Terminator
<<locked>>
81%
46050
76%
**54
99%
ReloadSwiss RS 40
<<locked>>
81%
47776
79%
**80
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
34519
57%
**73
92%
ReloadSwiss RS 52
<<locked>>
81%
37086
62%
**18
97%
ReloadSwiss RS 60
<<locked>>
81%
30748
51%
**03
98%
[ReloadSwiss RS 62]*
<<locked>>
83%
26832
45%
**91
90%
[ReloadSwiss RS 70]*
<<locked>>
86%
30327
50%
**57
90%
Rottweil R 901
<<locked>>
81%
43250
72%
**98
100%
Rottweil R 902
<<locked>>
81%
37710
63%
**23
99%
Rottweil R 903
<<locked>>
81%
30763
51%
**44
96%
[Rottweil R 907]*
<<locked>>
85%
34316
57%
**60
90%
SNPE Vectan SP 11
<<locked>>
81%
32039
53%
**80
95%
SNPE Vectan SP 7
<<locked>>
81%
40147
67%
**82
96%
SNPE Vectan SP 9
<<locked>>
81%
38653
64%
**69
98%
SNPE Vectan Tubal 3000
<<locked>>
81%
41379
69%
**29
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
34011
57%
**18
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
84%
31140
52%
**85
90%
[Shooters World Long Rifle]*
<<locked>>
81%
29124
48%
**59
90%
Shooters World Match Rifle
<<locked>>
81%
38421
64%
**82
100%
Shooters World Precision
<<locked>>
81%
35824
60%
**06
98%
Somchem S321
<<locked>>
81%
45382
75%
**74
100%
Somchem S335
<<locked>>
81%
40451
67%
**29
100%
Somchem S341
<<locked>>
81%
39740
66%
**82
98%
Somchem S355
<<locked>>
81%
31734
53%
**51
96%
[Somchem S365]*
<<locked>>
81%
23076
38%
**93
92%
Vihtavuori N130
<<locked>>
81%
45818
76%
**72
100%
Vihtavuori N133
<<locked>>
81%
38783
64%
**90
100%
Vihtavuori N135
<<locked>>
81%
31067
52%
**11
100%
Vihtavuori N140
<<locked>>
81%
36869
61%
**13
100%
Vihtavuori N150
<<locked>>
81%
27137
45%
**29
96%
[Vihtavuori N160]*
<<locked>>
81%
27934
46%
**69
91%
Vihtavuori N530
<<locked>>
81%
44454
74%
**51
100%
Vihtavuori N540
<<locked>>
81%
36564
61%
**29
100%
[Vihtavuori N550]*
<<locked>>
81%
28239
47%
**08
92%
[Vihtavuori N555]*
<<locked>>
89%
24468
41%
**55
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
27195
45%
**29
93%
Winchester 748
<<locked>>
81%
44483
74%
**90
100%
[Winchester 760]*
<<locked>>
84%
32518
54%
**00
90%
Winchester StaBALL Match
<<locked>>
81%
47572
79%
**29
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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