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

Recommended Powder(s): Alliant Power Pro 2000-MR, IMR 4895, Ramshot Big Game, ReloadSwiss RS 52, ReloadSwiss RS 60

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

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.366 | 286gr | Woodleigh PP SN
Manufacturer SKU:
47B
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_B12158_C1263
Last updated:
2026-01-31

Load data for 200 loads in caliber 9.3 x 66 Sako (370 Sako Mag) with .366 | 286gr | Woodleigh PP SN bullet and 100 powders such as Alliant Power Pro 2000-MR, IMR 4895, 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>>
91%
53287
89%
**79
100%
ADI AR 2208
<<locked>>
97%
52895
88%
**56
99%
Accurate 2015
<<locked>>
87%
53505
89%
**87
100%
Accurate 2200
<<locked>>
90%
54114
90%
**49
99%
Accurate 2230
<<locked>>
85%
53403
89%
**36
100%
Accurate 2460
<<locked>>
85%
53084
88%
**36
100%
Accurate 2495
<<locked>>
91%
53359
89%
**56
100%
Accurate 2520
<<locked>>
90%
54041
90%
**79
100%
Accurate 2700
<<locked>>
97%
52301
87%
**90
95%
Accurate 4064
<<locked>>
97%
53635
89%
**79
100%
Accurate 4350
<<locked>>
97%
39001
65%
**34
96%
Alliant AR-Comp
<<locked>>
90%
53577
89%
**36
100%
Alliant Power Pro 2000-MR 👍
<<locked>>
94%
53780
89%
**87
99%
Alliant Reloder- TS 15.5
<<locked>>
97%
52301
87%
**79
100%
Alliant Reloder-10x
<<locked>>
85%
53563
89%
**93
100%
Alliant Reloder-15
<<locked>>
95%
53708
89%
**98
99%
Alliant Reloder-16
<<locked>>
97%
40030
67%
**44
96%
Alliant Reloder-17
<<locked>>
97%
46137
77%
**79
99%
[Alliant Reloder-23]*
<<locked>>
97%
28674
48%
**24
93%
Baschieri & Pellagri 106
<<locked>>
84%
53708
89%
**54
100%
Baschieri & Pellagri 107
<<locked>>
92%
53432
89%
**95
99%
Bofors RP3
<<locked>>
97%
52504
87%
**92
100%
[Bofors RP7]*
<<locked>>
97%
47587
79%
**67
94%
Hodgdon BL-C2
<<locked>>
90%
53867
89%
**11
100%
Hodgdon Benchmark
<<locked>>
88%
53592
89%
**06
100%
Hodgdon CFE223
<<locked>>
96%
53925
90%
**44
99%
Hodgdon H322
<<locked>>
88%
53925
90%
**43
100%
Hodgdon H335
<<locked>>
83%
53838
89%
**56
100%
Hodgdon H380
<<locked>>
97%
54157
90%
**02
99%
Hodgdon H414
<<locked>>
97%
47398
79%
**52
95%
[Hodgdon H4350]*
<<locked>>
97%
39392
65%
**59
91%
Hodgdon H4895
<<locked>>
91%
53708
89%
**85
100%
Hodgdon Hybrid 100V
<<locked>>
97%
36695
61%
**56
97%
Hodgdon LVR
<<locked>>
97%
43961
73%
**90
97%
[Hodgdon Superperformance]*
<<locked>>
97%
44280
74%
**06
93%
Hodgdon VARGET
<<locked>>
97%
52663
87%
**49
99%
IMR 3031
<<locked>>
95%
53809
89%
**85
100%
IMR 4064
<<locked>>
97%
51474
86%
**26
99%
IMR 4166 Enduron
<<locked>>
97%
52141
87%
**10
96%
IMR 4198
<<locked>>
85%
53954
90%
**51
100%
[IMR 4350]*
<<locked>>
97%
41292
69%
**88
92%
IMR 4451 Enduron
<<locked>>
97%
49313
82%
**93
95%
IMR 4831
<<locked>>
97%
34055
57%
**23
95%
IMR 4895 👍
<<locked>>
95%
53940
90%
**15
100%
IMR 8208 XBR
<<locked>>
90%
53708
89%
**52
100%
Lovex D073.4
<<locked>>
84%
53374
89%
**26
100%
Lovex D073.5
<<locked>>
86%
53766
89%
**43
100%
Lovex D073.6
<<locked>>
93%
54041
90%
**79
100%
Lovex S060
<<locked>>
91%
53374
89%
**10
100%
Lovex S062
<<locked>>
96%
53780
89%
**62
100%
Lovex S065
<<locked>>
97%
45368
75%
**51
96%
[Lovex S070]*
<<locked>>
97%
42525
71%
**24
94%
Norma 201
<<locked>>
92%
53301
89%
**46
100%
Norma 202
<<locked>>
92%
53519
89%
**49
100%
Norma 203B
<<locked>>
96%
53519
89%
**02
100%
Norma URP
<<locked>>
97%
39900
66%
**41
96%
Ramshot Big Game 👍
<<locked>>
96%
53664
89%
**21
100%
[Ramshot Hunter]*
<<locked>>
97%
39465
66%
**24
94%
Ramshot TAC
<<locked>>
90%
53592
89%
**59
98%
Ramshot Wild Boar
<<locked>>
90%
53664
89%
**88
100%
Ramshot X-Terminator
<<locked>>
87%
53998
90%
**39
99%
ReloadSwiss RS 40
<<locked>>
86%
53650
89%
**43
100%
ReloadSwiss RS 50
<<locked>>
96%
53171
88%
**62
97%
ReloadSwiss RS 52 👍
<<locked>>
93%
53272
89%
**57
99%
ReloadSwiss RS 60 👍
<<locked>>
97%
49182
82%
**34
100%
ReloadSwiss RS 62
<<locked>>
97%
39581
66%
**57
96%
ReloadSwiss RS 70
<<locked>>
97%
40466
67%
**60
95%
Rottweil R 901
<<locked>>
90%
53838
89%
**26
100%
Rottweil R 902
<<locked>>
94%
53650
89%
**43
100%
Rottweil R 903
<<locked>>
97%
48356
80%
**29
100%
[Rottweil R 907]*
<<locked>>
97%
47587
79%
**67
94%
SNPE Vectan SP 11
<<locked>>
97%
50154
83%
**82
99%
SNPE Vectan SP 7
<<locked>>
91%
53476
89%
**59
98%
SNPE Vectan SP 9
<<locked>>
93%
53824
89%
**82
100%
SNPE Vectan Tubal 3000
<<locked>>
91%
53708
89%
**77
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
53084
88%
**74
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
97%
44454
74%
**98
94%
Shooters World Long Rifle
<<locked>>
97%
45368
75%
**51
96%
Shooters World Match Rifle
<<locked>>
93%
54041
90%
**79
100%
Shooters World Precision
<<locked>>
96%
53780
89%
**62
100%
Shooters World Tactical Rifle
<<locked>>
84%
53490
89%
**10
100%
Somchem S321
<<locked>>
87%
53838
89%
**72
100%
Somchem S335
<<locked>>
92%
53780
89%
**90
100%
Somchem S341
<<locked>>
91%
53751
89%
**69
100%
Somchem S355
<<locked>>
97%
49763
83%
**39
100%
Somchem S365
<<locked>>
97%
35549
59%
**92
98%
Vihtavuori N130
<<locked>>
88%
53998
90%
**57
100%
Vihtavuori N133
<<locked>>
93%
53548
89%
**67
100%
Vihtavuori N135
<<locked>>
97%
47311
79%
**57
100%
Vihtavuori N140
<<locked>>
94%
53359
89%
**26
100%
Vihtavuori N150
<<locked>>
97%
42250
70%
**05
99%
Vihtavuori N160
<<locked>>
97%
44251
74%
**74
97%
Vihtavuori N530
<<locked>>
88%
54114
90%
**69
100%
Vihtavuori N540
<<locked>>
95%
54041
90%
**65
100%
Vihtavuori N550
<<locked>>
97%
44396
74%
**16
97%
[Vihtavuori N555]*
<<locked>>
97%
29820
50%
**83
93%
Winchester 6.5 StaBALL
<<locked>>
97%
42786
71%
**24
99%
Winchester 748
<<locked>>
88%
53737
89%
**98
100%
Winchester 760
<<locked>>
97%
47398
79%
**52
95%
Winchester StaBALL Match
<<locked>>
86%
54056
90%
**98
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
38609
64%
**49
97%
ADI AR 2208
<<locked>>
81%
32953
55%
**24
95%
Accurate 2015
<<locked>>
81%
43801
73%
**65
100%
Accurate 2200
<<locked>>
81%
40872
68%
**52
96%
Accurate 2230
<<locked>>
81%
45992
76%
**34
99%
Accurate 2460
<<locked>>
81%
45890
76%
**41
100%
Accurate 2495
<<locked>>
81%
38493
64%
**52
100%
Accurate 2520
<<locked>>
81%
39073
65%
**75
100%
[Accurate 2700]*
<<locked>>
86%
36724
61%
**51
90%
Accurate 4064
<<locked>>
81%
32387
54%
**54
99%
[Accurate 4350]*
<<locked>>
84%
25556
42%
**49
90%
Alliant AR-Comp
<<locked>>
81%
39581
66%
**62
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
34708
58%
**52
95%
Alliant Reloder- TS 15.5
<<locked>>
81%
31821
53%
**41
96%
Alliant Reloder-10x
<<locked>>
81%
47761
79%
**18
100%
Alliant Reloder-15
<<locked>>
81%
34389
57%
**87
95%
[Alliant Reloder-16]*
<<locked>>
84%
27920
46%
**65
90%
[Alliant Reloder-17]*
<<locked>>
81%
27644
46%
**95
93%
[Alliant Reloder-23]*
<<locked>>
93%
25396
42%
**29
90%
Baschieri & Pellagri 106
<<locked>>
81%
49835
83%
**11
100%
Baschieri & Pellagri 107
<<locked>>
81%
37521
62%
**49
96%
Bofors RP3
<<locked>>
81%
30864
51%
**34
96%
[Bofors RP7]*
<<locked>>
87%
35491
59%
**60
90%
Hodgdon BL-C2
<<locked>>
81%
38899
65%
**92
99%
Hodgdon Benchmark
<<locked>>
81%
42902
71%
**59
99%
[Hodgdon CFE223]*
<<locked>>
81%
32706
54%
**83
94%
Hodgdon H322
<<locked>>
81%
43163
72%
**01
100%
Hodgdon H335
<<locked>>
81%
49777
83%
**03
100%
[Hodgdon H380]*
<<locked>>
81%
32445
54%
**44
93%
[Hodgdon H414]*
<<locked>>
86%
33808
56%
**06
90%
[Hodgdon H4350]*
<<locked>>
94%
36506
61%
**00
90%
Hodgdon H4895
<<locked>>
81%
38841
65%
**62
98%
[Hodgdon Hybrid 100V]*
<<locked>>
82%
23656
39%
**41
90%
[Hodgdon LVR]*
<<locked>>
83%
28906
48%
**85
90%
[Hodgdon Superperformance]*
<<locked>>
92%
37710
63%
**82
90%
Hodgdon VARGET
<<locked>>
81%
32634
54%
**18
95%
IMR 3031
<<locked>>
81%
34766
58%
**10
100%
IMR 4064
<<locked>>
81%
32300
54%
**05
95%
[IMR 4166 Enduron]*
<<locked>>
82%
33388
55%
**88
90%
IMR 4198
<<locked>>
81%
48747
81%
**88
100%
[IMR 4350]*
<<locked>>
92%
35926
60%
**90
90%
[IMR 4451 Enduron]*
<<locked>>
85%
34258
57%
**37
90%
[IMR 4831]*
<<locked>>
88%
25846
43%
**26
90%
IMR 4895
<<locked>>
81%
35215
59%
**16
96%
IMR 8208 XBR
<<locked>>
81%
40654
68%
**62
99%
Lovex D073.4
<<locked>>
81%
47587
79%
**54
100%
Lovex D073.5
<<locked>>
81%
45614
76%
**38
100%
Lovex D073.6
<<locked>>
81%
36550
61%
**29
99%
Lovex S060
<<locked>>
81%
39378
65%
**03
97%
Lovex S062
<<locked>>
81%
34011
57%
**57
97%
[Lovex S065]*
<<locked>>
83%
29341
49%
**49
90%
[Lovex S070]*
<<locked>>
88%
32706
54%
**41
90%
Norma 201
<<locked>>
81%
37884
63%
**13
98%
Norma 202
<<locked>>
81%
37840
63%
**26
100%
Norma 203B
<<locked>>
81%
33910
56%
**87
96%
[Norma URP]*
<<locked>>
84%
27035
45%
**55
90%
Ramshot Big Game
<<locked>>
81%
33301
55%
**90
95%
[Ramshot Hunter]*
<<locked>>
90%
32068
53%
**70
90%
Ramshot TAC
<<locked>>
81%
40466
67%
**59
95%
Ramshot Wild Boar
<<locked>>
81%
39421
65%
**75
97%
Ramshot X-Terminator
<<locked>>
81%
44048
73%
**05
98%
ReloadSwiss RS 40
<<locked>>
81%
45818
76%
**38
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
32909
55%
**24
91%
ReloadSwiss RS 52
<<locked>>
81%
35317
59%
**62
96%
ReloadSwiss RS 60
<<locked>>
81%
29428
49%
**47
97%
[ReloadSwiss RS 62]*
<<locked>>
86%
27920
46%
**05
90%
[ReloadSwiss RS 70]*
<<locked>>
89%
31386
52%
**64
90%
Rottweil R 901
<<locked>>
81%
41626
69%
**56
100%
Rottweil R 902
<<locked>>
81%
36187
60%
**77
98%
Rottweil R 903
<<locked>>
81%
29080
48%
**91
95%
[Rottweil R 907]*
<<locked>>
87%
35491
59%
**60
90%
[SNPE Vectan SP 11]*
<<locked>>
81%
30545
51%
**34
94%
SNPE Vectan SP 7
<<locked>>
81%
38377
64%
**36
95%
SNPE Vectan SP 9
<<locked>>
81%
36999
61%
**23
97%
SNPE Vectan Tubal 3000
<<locked>>
81%
39813
66%
**87
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
32503
54%
**75
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
87%
32605
54%
**01
90%
[Shooters World Long Rifle]*
<<locked>>
83%
29341
49%
**49
90%
Shooters World Match Rifle
<<locked>>
81%
36550
61%
**29
99%
Shooters World Precision
<<locked>>
81%
34011
57%
**57
97%
Shooters World Tactical Rifle
<<locked>>
81%
48327
80%
**47
100%
Somchem S321
<<locked>>
81%
43627
72%
**28
99%
Somchem S335
<<locked>>
81%
38986
65%
**87
100%
Somchem S341
<<locked>>
81%
38290
64%
**36
97%
Somchem S355
<<locked>>
81%
30371
50%
**98
95%
[Somchem S365]*
<<locked>>
81%
21988
37%
**37
91%
Vihtavuori N130
<<locked>>
81%
44469
74%
**39
100%
Vihtavuori N133
<<locked>>
81%
37202
62%
**47
100%
Vihtavuori N135
<<locked>>
81%
29559
49%
**69
100%
Vihtavuori N140
<<locked>>
81%
35389
59%
**67
100%
Vihtavuori N150
<<locked>>
81%
25788
43%
**83
95%
[Vihtavuori N160]*
<<locked>>
81%
27108
45%
**26
90%
Vihtavuori N530
<<locked>>
81%
42989
71%
**08
99%
Vihtavuori N540
<<locked>>
81%
34824
58%
**80
99%
[Vihtavuori N550]*
<<locked>>
81%
26919
45%
**55
90%
[Vihtavuori N555]*
<<locked>>
92%
25367
42%
**65
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
26237
44%
**80
92%
Winchester 748
<<locked>>
81%
42583
71%
**44
100%
[Winchester 760]*
<<locked>>
86%
33808
56%
**06
90%
Winchester StaBALL Match
<<locked>>
81%
45194
75%
**77
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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