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Load data for 9.3 x 66 Sako (370 Sako Mag) + .366 | 250gr | Woodleigh RN SN

Recommended Powder(s): Hodgdon BL-C2, IMR 4895, Norma 203B, Ramshot Wild Boar, ReloadSwiss RS 60

9.3 x 66 Sako (370 Sako Mag) + .366 | 250gr | Woodleigh RN SN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.366 | 250gr | Woodleigh RN SN
Manufacturer SKU:
47A
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_B12157_C1263
Last updated:
2026-02-02

Load data for 194 loads in caliber 9.3 x 66 Sako (370 Sako Mag) with .366 | 250gr | Woodleigh RN SN bullet and 97 powders such as Hodgdon BL-C2, IMR 4895, Norma 203B, Ramshot Wild Boar, 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>>
92%
54099
90%
**95
99%
ADI AR 2208
<<locked>>
97%
52127
87%
**49
98%
ADI AR 2219
<<locked>>
83%
53766
89%
**56
100%
Accurate 2015
<<locked>>
88%
53229
88%
**93
100%
Accurate 2200
<<locked>>
90%
54099
90%
**52
98%
Accurate 2230
<<locked>>
86%
53896
90%
**46
100%
Accurate 2460
<<locked>>
86%
53708
89%
**49
100%
Accurate 2495
<<locked>>
92%
54070
90%
**79
100%
Accurate 2520
<<locked>>
91%
53563
89%
**82
100%
[Accurate 2700]*
<<locked>>
97%
51721
86%
**74
94%
Accurate 4064
<<locked>>
97%
52402
87%
**72
100%
Accurate 4350
<<locked>>
97%
37956
63%
**02
95%
Alliant AR-Comp
<<locked>>
91%
53476
89%
**49
100%
Alliant Power Pro 2000-MR
<<locked>>
95%
53795
89%
**97
99%
Alliant Reloder- TS 15.5
<<locked>>
97%
51082
85%
**69
99%
Alliant Reloder-10x
<<locked>>
85%
53534
89%
**03
100%
Alliant Reloder-15
<<locked>>
96%
53722
89%
**12
99%
Alliant Reloder-16
<<locked>>
97%
39378
65%
**11
95%
Alliant Reloder-17
<<locked>>
97%
44933
75%
**56
98%
Baschieri & Pellagri 106
<<locked>>
84%
53911
90%
**61
100%
Baschieri & Pellagri 107
<<locked>>
92%
53722
89%
**02
98%
Bofors RP3
<<locked>>
97%
51242
85%
**79
100%
[Bofors RP7]*
<<locked>>
97%
46615
77%
**44
93%
Hodgdon BL-C2 👍
<<locked>>
91%
54041
90%
**15
100%
Hodgdon Benchmark
<<locked>>
89%
53722
89%
**13
100%
Hodgdon CFE223
<<locked>>
96%
53592
89%
**44
98%
Hodgdon H322
<<locked>>
89%
54157
90%
**59
100%
Hodgdon H335
<<locked>>
84%
53447
89%
**59
100%
Hodgdon H380
<<locked>>
97%
52707
88%
**85
98%
[Hodgdon H414]*
<<locked>>
97%
47036
78%
**43
94%
Hodgdon H4895
<<locked>>
92%
53766
89%
**95
100%
Hodgdon Hybrid 100V
<<locked>>
97%
35984
60%
**16
96%
Hodgdon LVR
<<locked>>
97%
43192
72%
**70
95%
Hodgdon VARGET
<<locked>>
97%
51561
86%
**36
98%
IMR 3031
<<locked>>
96%
53548
89%
**95
100%
IMR 4064
<<locked>>
97%
50676
84%
**16
98%
IMR 4166 Enduron
<<locked>>
97%
51111
85%
**90
95%
IMR 4198
<<locked>>
85%
53679
89%
**57
100%
[IMR 4451 Enduron]*
<<locked>>
97%
48776
81%
**84
94%
[IMR 4831]*
<<locked>>
97%
33185
55%
**80
93%
IMR 4895 👍
<<locked>>
95%
53461
89%
**18
99%
IMR 8208 XBR
<<locked>>
91%
53737
89%
**59
100%
Lovex D073.4
<<locked>>
85%
53330
89%
**30
100%
Lovex D073.5
<<locked>>
86%
53287
89%
**39
100%
Lovex D073.6
<<locked>>
93%
53563
89%
**82
100%
Lovex S060
<<locked>>
92%
54085
90%
**23
99%
Lovex S062
<<locked>>
96%
53650
89%
**72
100%
Lovex S065
<<locked>>
97%
44454
74%
**25
95%
[Lovex S070]*
<<locked>>
97%
41626
69%
**92
92%
Norma 201
<<locked>>
93%
53969
90%
**62
100%
Norma 202
<<locked>>
93%
53954
90%
**66
100%
Norma 203B 👍
<<locked>>
96%
53592
89%
**08
99%
Norma URP
<<locked>>
97%
39204
65%
**11
95%
Ramshot Big Game
<<locked>>
96%
53708
89%
**28
99%
[Ramshot Hunter]*
<<locked>>
97%
38595
64%
**88
92%
Ramshot TAC
<<locked>>
90%
53867
89%
**62
97%
Ramshot Wild Boar 👍
<<locked>>
91%
54099
90%
**98
99%
Ramshot X-Terminator
<<locked>>
88%
53708
89%
**39
99%
ReloadSwiss RS 40
<<locked>>
87%
54128
90%
**52
100%
ReloadSwiss RS 50
<<locked>>
97%
53911
90%
**69
96%
ReloadSwiss RS 52
<<locked>>
94%
53534
89%
**71
99%
ReloadSwiss RS 60 👍
<<locked>>
97%
47921
80%
**18
100%
[ReloadSwiss RS 62]*
<<locked>>
97%
38609
64%
**18
94%
[ReloadSwiss RS 70]*
<<locked>>
97%
40422
67%
**34
93%
Rottweil R 901
<<locked>>
91%
54157
90%
**39
100%
Rottweil R 902
<<locked>>
95%
53592
89%
**46
100%
Rottweil R 903
<<locked>>
97%
47688
79%
**23
99%
[Rottweil R 907]*
<<locked>>
97%
46615
77%
**44
93%
SNPE Vectan SP 10
<<locked>>
83%
53795
89%
**59
100%
SNPE Vectan SP 11
<<locked>>
97%
49211
82%
**69
99%
SNPE Vectan SP 7
<<locked>>
92%
54012
90%
**72
98%
SNPE Vectan SP 9
<<locked>>
93%
54070
90%
**92
99%
SNPE Vectan Tubal 3000
<<locked>>
91%
53708
89%
**84
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
52185
87%
**67
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
97%
43932
73%
**79
93%
Shooters World Long Rifle
<<locked>>
97%
44454
74%
**25
95%
Shooters World Match Rifle
<<locked>>
93%
53563
89%
**82
100%
Shooters World Precision
<<locked>>
96%
53650
89%
**72
100%
Shooters World Tactical Rifle
<<locked>>
85%
53693
89%
**16
100%
Somchem S321
<<locked>>
88%
54114
90%
**82
100%
Somchem S335
<<locked>>
93%
54128
90%
**03
100%
Somchem S341
<<locked>>
92%
54012
90%
**75
99%
Somchem S355
<<locked>>
97%
48718
81%
**23
99%
Somchem S365
<<locked>>
97%
34983
58%
**62
97%
Vihtavuori N130
<<locked>>
88%
54070
90%
**64
100%
Vihtavuori N133
<<locked>>
94%
53606
89%
**74
100%
Vihtavuori N135
<<locked>>
97%
46485
77%
**48
100%
Vihtavuori N140
<<locked>>
95%
53766
89%
**36
100%
Vihtavuori N150
<<locked>>
97%
41292
69%
**75
99%
Vihtavuori N160
<<locked>>
97%
43410
72%
**44
96%
Vihtavuori N530
<<locked>>
89%
53780
89%
**69
100%
Vihtavuori N540
<<locked>>
95%
53911
90%
**69
100%
Vihtavuori N550
<<locked>>
97%
43308
72%
**84
96%
Winchester 6.5 StaBALL
<<locked>>
97%
42569
71%
**05
98%
Winchester 748
<<locked>>
89%
53809
89%
**08
100%
[Winchester 760]*
<<locked>>
97%
47036
78%
**43
94%
Winchester StaBALL Match
<<locked>>
86%
53751
89%
**98
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
37884
63%
**20
96%
[ADI AR 2208]*
<<locked>>
81%
32300
54%
**85
93%
ADI AR 2219
<<locked>>
81%
49719
83%
**97
100%
Accurate 2015
<<locked>>
81%
43178
72%
**49
100%
Accurate 2200
<<locked>>
81%
39929
66%
**23
95%
Accurate 2230
<<locked>>
81%
44846
75%
**08
98%
Accurate 2460
<<locked>>
81%
44831
74%
**21
99%
Accurate 2495
<<locked>>
81%
37405
62%
**26
100%
Accurate 2520
<<locked>>
81%
38203
63%
**43
99%
[Accurate 2700]*
<<locked>>
89%
40335
67%
**87
90%
Accurate 4064
<<locked>>
81%
31473
52%
**11
98%
[Accurate 4350]*
<<locked>>
88%
28471
47%
**85
90%
Alliant AR-Comp
<<locked>>
81%
38653
64%
**43
100%
[Alliant Power Pro 2000-MR]*
<<locked>>
81%
33953
56%
**10
93%
Alliant Reloder- TS 15.5
<<locked>>
81%
30922
51%
**92
95%
Alliant Reloder-10x
<<locked>>
81%
46775
78%
**11
100%
[Alliant Reloder-15]*
<<locked>>
81%
33678
56%
**51
94%
[Alliant Reloder-16]*
<<locked>>
88%
30516
51%
**98
90%
[Alliant Reloder-17]*
<<locked>>
81%
26977
45%
**33
90%
Baschieri & Pellagri 106
<<locked>>
81%
48776
81%
**92
100%
[Baschieri & Pellagri 107]*
<<locked>>
81%
36680
61%
**10
94%
Bofors RP3
<<locked>>
81%
30037
50%
**85
95%
[Bofors RP7]*
<<locked>>
91%
38783
64%
**03
90%
Hodgdon BL-C2
<<locked>>
81%
38218
64%
**65
98%
Hodgdon Benchmark
<<locked>>
81%
41959
70%
**33
99%
[Hodgdon CFE223]*
<<locked>>
81%
32184
53%
**44
92%
Hodgdon H322
<<locked>>
81%
42264
70%
**85
100%
Hodgdon H335
<<locked>>
81%
49023
81%
**00
100%
[Hodgdon H380]*
<<locked>>
81%
31473
52%
**92
91%
[Hodgdon H414]*
<<locked>>
90%
36999
61%
**46
90%
Hodgdon H4895
<<locked>>
81%
38101
63%
**33
97%
[Hodgdon Hybrid 100V]*
<<locked>>
86%
25556
42%
**54
90%
[Hodgdon LVR]*
<<locked>>
87%
31502
52%
**21
90%
[Hodgdon VARGET]*
<<locked>>
81%
32024
53%
**75
93%
IMR 3031
<<locked>>
81%
33504
56%
**74
100%
[IMR 4064]*
<<locked>>
81%
31546
52%
**62
93%
[IMR 4166 Enduron]*
<<locked>>
85%
36666
61%
**28
90%
IMR 4198
<<locked>>
81%
47471
79%
**79
100%
[IMR 4451 Enduron]*
<<locked>>
88%
36912
61%
**67
90%
[IMR 4831]*
<<locked>>
92%
28718
48%
**69
90%
IMR 4895
<<locked>>
81%
34490
57%
**80
95%
IMR 8208 XBR
<<locked>>
81%
39914
66%
**36
98%
Lovex D073.4
<<locked>>
81%
46615
77%
**38
100%
Lovex D073.5
<<locked>>
81%
44614
74%
**15
99%
Lovex D073.6
<<locked>>
81%
35795
59%
**97
99%
Lovex S060
<<locked>>
81%
38682
64%
**70
96%
Lovex S062
<<locked>>
81%
33141
55%
**18
96%
[Lovex S065]*
<<locked>>
86%
32184
53%
**75
90%
[Lovex S070]*
<<locked>>
92%
35984
60%
**80
90%
Norma 201
<<locked>>
81%
37028
62%
**83
97%
Norma 202
<<locked>>
81%
37144
62%
**97
99%
Norma 203B
<<locked>>
81%
33214
55%
**44
95%
[Norma URP]*
<<locked>>
87%
29211
49%
**75
90%
[Ramshot Big Game]*
<<locked>>
81%
32547
54%
**47
94%
[Ramshot Hunter]*
<<locked>>
93%
34954
58%
**06
90%
[Ramshot TAC]*
<<locked>>
81%
39900
66%
**33
94%
Ramshot Wild Boar
<<locked>>
81%
38638
64%
**43
96%
Ramshot X-Terminator
<<locked>>
81%
43279
72%
**79
97%
ReloadSwiss RS 40
<<locked>>
81%
44701
74%
**18
100%
[ReloadSwiss RS 50]*
<<locked>>
83%
34722
58%
**31
90%
[ReloadSwiss RS 52]*
<<locked>>
81%
34577
57%
**26
94%
ReloadSwiss RS 60
<<locked>>
81%
28834
48%
**98
95%
[ReloadSwiss RS 62]*
<<locked>>
90%
30560
51%
**34
90%
[ReloadSwiss RS 70]*
<<locked>>
92%
34316
57%
**00
90%
Rottweil R 901
<<locked>>
81%
41017
68%
**36
100%
Rottweil R 902
<<locked>>
81%
35201
58%
**34
97%
[Rottweil R 903]*
<<locked>>
81%
28442
47%
**42
93%
[Rottweil R 907]*
<<locked>>
91%
38783
64%
**03
90%
SNPE Vectan SP 10
<<locked>>
81%
49922
83%
**03
100%
[SNPE Vectan SP 11]*
<<locked>>
81%
29849
50%
**82
92%
[SNPE Vectan SP 7]*
<<locked>>
81%
37681
63%
**00
94%
SNPE Vectan SP 9
<<locked>>
81%
36318
60%
**90
96%
SNPE Vectan Tubal 3000
<<locked>>
81%
39001
65%
**60
99%
SNPE Vectan Tubal 5000
<<locked>>
81%
31749
53%
**33
99%
[SNPE Vectan Tubal 7000]*
<<locked>>
91%
35723
59%
**31
90%
[Shooters World Long Rifle]*
<<locked>>
86%
32184
53%
**75
90%
Shooters World Match Rifle
<<locked>>
81%
35795
59%
**97
99%
Shooters World Precision
<<locked>>
81%
33141
55%
**18
96%
Shooters World Tactical Rifle
<<locked>>
81%
47514
79%
**31
99%
Somchem S321
<<locked>>
81%
42815
71%
**08
99%
Somchem S335
<<locked>>
81%
38145
63%
**57
100%
Somchem S341
<<locked>>
81%
37376
62%
**03
96%
[Somchem S355]*
<<locked>>
81%
29602
49%
**52
94%
[Somchem S365]*
<<locked>>
84%
23931
40%
**47
90%
Vihtavuori N130
<<locked>>
81%
43207
72%
**13
100%
Vihtavuori N133
<<locked>>
81%
36521
61%
**21
100%
Vihtavuori N135
<<locked>>
81%
28819
48%
**23
99%
Vihtavuori N140
<<locked>>
81%
34505
57%
**31
99%
[Vihtavuori N150]*
<<locked>>
81%
25164
42%
**24
93%
[Vihtavuori N160]*
<<locked>>
85%
29646
49%
**49
90%
Vihtavuori N530
<<locked>>
81%
42090
70%
**85
99%
Vihtavuori N540
<<locked>>
81%
34026
57%
**44
99%
[Vihtavuori N550]*
<<locked>>
85%
29399
49%
**85
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
26020
43%
**28
90%
Winchester 748
<<locked>>
81%
41553
69%
**21
99%
[Winchester 760]*
<<locked>>
90%
36999
61%
**46
90%
Winchester StaBALL Match
<<locked>>
81%
44179
73%
**54
98%

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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