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Load data for 9.3 x 66 Sako (370 Sako Mag) + .366 | 320gr | Woodleigh PP SN

Recommended Powder(s): Alliant Power Pro 2000-MR, Hodgdon CFE223, Ramshot Big Game, ReloadSwiss RS 52, SNPE Vectan SP 11

9.3 x 66 Sako (370 Sako Mag) + .366 | 320gr | Woodleigh PP SN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.366 | 320gr | Woodleigh PP SN
Manufacturer SKU:
49A
Bullet Weight:
320gr | 20.7g
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_B12160_C1263
Last updated:
2026-01-30

Load data for 204 loads in caliber 9.3 x 66 Sako (370 Sako Mag) with .366 | 320gr | Woodleigh PP SN bullet and 102 powders such as Alliant Power Pro 2000-MR, Hodgdon CFE223, Ramshot Big Game, ReloadSwiss RS 52, SNPE Vectan SP 11. 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%
54099
90%
**31
100%
ADI AR 2208
<<locked>>
96%
53592
89%
**11
100%
Accurate 2015
<<locked>>
86%
53925
90%
**36
100%
Accurate 2200
<<locked>>
88%
53127
88%
**92
99%
Accurate 2230
<<locked>>
84%
54041
90%
**92
100%
Accurate 2460
<<locked>>
84%
54085
90%
**92
100%
Accurate 2495
<<locked>>
89%
53287
89%
**92
100%
Accurate 2520
<<locked>>
89%
53998
90%
**24
100%
Accurate 2700
<<locked>>
96%
53664
89%
**65
96%
Accurate 4064
<<locked>>
95%
53882
90%
**21
100%
Accurate 4350
<<locked>>
97%
41901
70%
**39
98%
Alliant AR-Comp
<<locked>>
88%
53185
88%
**72
100%
Alliant Power Pro 2000-MR 👍
<<locked>>
93%
53896
90%
**33
100%
Alliant Reloder- TS 15.5
<<locked>>
96%
53577
89%
**38
100%
Alliant Reloder-10x
<<locked>>
83%
53447
89%
**33
100%
Alliant Reloder-15
<<locked>>
94%
53940
90%
**51
100%
Alliant Reloder-16
<<locked>>
97%
42279
70%
**49
98%
Alliant Reloder-17
<<locked>>
97%
47863
80%
**60
100%
Alliant Reloder-23
<<locked>>
97%
29675
49%
**32
95%
[Alliant Reloder-26]*
<<locked>>
97%
32082
53%
**28
93%
Baschieri & Pellagri 107
<<locked>>
91%
53838
89%
**51
100%
Bofors RP3
<<locked>>
96%
53983
90%
**57
100%
Bofors RP7
<<locked>>
97%
49211
82%
**52
96%
Hodgdon BL-C2
<<locked>>
89%
53983
90%
**57
100%
Hodgdon Benchmark
<<locked>>
87%
53461
89%
**56
100%
Hodgdon CFE223 👍
<<locked>>
94%
53824
89%
**87
100%
Hodgdon H322
<<locked>>
87%
53722
89%
**82
100%
Hodgdon H380
<<locked>>
95%
54172
90%
**51
99%
Hodgdon H414
<<locked>>
97%
49530
82%
**41
97%
[Hodgdon H4350]*
<<locked>>
97%
40741
68%
**51
93%
Hodgdon H4895
<<locked>>
90%
53766
89%
**31
100%
Hodgdon Hybrid 100V
<<locked>>
97%
38711
64%
**57
99%
Hodgdon LVR
<<locked>>
97%
46514
77%
**92
98%
Hodgdon Superperformance
<<locked>>
97%
46108
77%
**01
95%
Hodgdon VARGET
<<locked>>
96%
53316
89%
**11
100%
IMR 3031
<<locked>>
93%
53432
89%
**18
100%
IMR 4064
<<locked>>
97%
53867
90%
**05
100%
IMR 4166 Enduron
<<locked>>
96%
53635
89%
**82
97%
IMR 4198
<<locked>>
83%
54114
90%
**00
100%
[IMR 4350]*
<<locked>>
97%
43627
72%
**93
94%
IMR 4451 Enduron
<<locked>>
97%
51866
86%
**88
97%
IMR 4831
<<locked>>
97%
36187
60%
**31
97%
IMR 4895
<<locked>>
93%
54143
90%
**64
100%
IMR 8208 XBR
<<locked>>
89%
54085
90%
**01
100%
Lovex D073.4
<<locked>>
83%
53577
89%
**78
100%
Lovex D073.5
<<locked>>
84%
53751
89%
**85
100%
Lovex D073.6
<<locked>>
91%
53476
89%
**18
100%
Lovex S060
<<locked>>
90%
53882
90%
**69
100%
Lovex S062
<<locked>>
95%
54157
90%
**18
100%
Lovex S065
<<locked>>
97%
47152
78%
**36
98%
Lovex S070
<<locked>>
97%
44889
75%
**26
96%
Norma 201
<<locked>>
91%
53954
90%
**01
100%
Norma 202
<<locked>>
90%
53461
89%
**95
100%
Norma 203B
<<locked>>
94%
53853
89%
**51
100%
[Norma 204]*
<<locked>>
97%
43352
72%
**16
93%
Norma URP
<<locked>>
97%
42380
70%
**39
98%
Ramshot Big Game 👍
<<locked>>
94%
53403
89%
**67
100%
Ramshot Hunter
<<locked>>
97%
41626
69%
**29
96%
Ramshot TAC
<<locked>>
88%
53287
89%
**08
99%
Ramshot Wild Boar
<<locked>>
89%
54172
90%
**41
100%
Ramshot X-Terminator
<<locked>>
86%
53592
89%
**85
100%
ReloadSwiss RS 40
<<locked>>
85%
54070
90%
**88
100%
ReloadSwiss RS 50
<<locked>>
95%
53751
89%
**18
98%
ReloadSwiss RS 52 👍
<<locked>>
91%
53258
88%
**00
100%
ReloadSwiss RS 60
<<locked>>
97%
51227
85%
**06
100%
ReloadSwiss RS 62
<<locked>>
97%
41423
69%
**52
97%
ReloadSwiss RS 70
<<locked>>
97%
42960
71%
**75
97%
Rottweil R 901
<<locked>>
88%
53388
89%
**62
100%
Rottweil R 902
<<locked>>
93%
54012
90%
**95
100%
Rottweil R 903
<<locked>>
97%
51488
86%
**21
100%
Rottweil R 907
<<locked>>
97%
49211
82%
**52
96%
SNPE Vectan SP 11 👍
<<locked>>
97%
53200
88%
**70
100%
SNPE Vectan SP 7
<<locked>>
90%
53911
90%
**15
99%
SNPE Vectan SP 9
<<locked>>
91%
53476
89%
**24
100%
SNPE Vectan Tubal 3000
<<locked>>
90%
53998
90%
**26
100%
SNPE Vectan Tubal 5000
<<locked>>
96%
54085
90%
**36
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
47050
78%
**96
96%
Shooters World Long Rifle
<<locked>>
97%
47152
78%
**36
98%
Shooters World Match Rifle
<<locked>>
91%
53476
89%
**18
100%
Shooters World Precision
<<locked>>
95%
54157
90%
**18
100%
Shooters World Tactical Rifle
<<locked>>
83%
54157
90%
**72
100%
Somchem S321
<<locked>>
86%
53838
89%
**18
100%
Somchem S335
<<locked>>
90%
54012
90%
**42
100%
Somchem S341
<<locked>>
90%
53316
89%
**08
100%
Somchem S355
<<locked>>
97%
51822
86%
**15
100%
Somchem S365
<<locked>>
97%
37681
63%
**03
99%
[Somchem S385]*
<<locked>>
97%
34780
58%
**95
91%
Vihtavuori N130
<<locked>>
86%
53461
89%
**96
100%
Vihtavuori N133
<<locked>>
92%
53461
89%
**13
100%
Vihtavuori N135
<<locked>>
97%
49879
83%
**29
100%
Vihtavuori N140
<<locked>>
93%
53403
89%
**75
100%
Vihtavuori N150
<<locked>>
97%
43918
73%
**87
100%
Vihtavuori N160
<<locked>>
97%
46253
77%
**62
98%
Vihtavuori N530
<<locked>>
87%
53983
90%
**11
100%
Vihtavuori N540
<<locked>>
93%
53185
88%
**01
100%
Vihtavuori N550
<<locked>>
97%
47007
78%
**08
99%
Vihtavuori N555
<<locked>>
97%
31256
52%
**95
95%
Winchester 6.5 StaBALL
<<locked>>
97%
45020
75%
**26
100%
Winchester 748
<<locked>>
87%
54041
90%
**47
100%
Winchester 760
<<locked>>
97%
49530
82%
**41
97%
[Winchester StaBALL HD]*
<<locked>>
97%
26498
44%
**93
93%
Winchester StaBALL Match
<<locked>>
84%
53853
89%
**38
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
40538
67%
**44
99%
ADI AR 2208
<<locked>>
81%
34490
57%
**29
96%
Accurate 2015
<<locked>>
81%
46166
77%
**44
100%
Accurate 2200
<<locked>>
81%
42656
71%
**44
98%
Accurate 2230
<<locked>>
81%
47848
79%
**16
100%
Accurate 2460
<<locked>>
81%
48066
80%
**19
100%
Accurate 2495
<<locked>>
81%
40611
67%
**37
100%
Accurate 2520
<<locked>>
81%
41234
69%
**64
100%
[Accurate 2700]*
<<locked>>
81%
33054
55%
**54
90%
Accurate 4064
<<locked>>
81%
34171
57%
**52
100%
[Accurate 4350]*
<<locked>>
81%
24555
41%
**01
91%
Alliant AR-Comp
<<locked>>
81%
41814
69%
**41
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
36303
60%
**54
97%
Alliant Reloder- TS 15.5
<<locked>>
81%
33547
56%
**46
98%
Alliant Reloder-10x
<<locked>>
81%
49748
83%
**93
100%
Alliant Reloder-15
<<locked>>
81%
36245
60%
**91
97%
[Alliant Reloder-16]*
<<locked>>
81%
26469
44%
**14
91%
Alliant Reloder-17
<<locked>>
81%
28935
48%
**09
95%
[Alliant Reloder-23]*
<<locked>>
87%
22640
38%
**39
90%
[Alliant Reloder-26]*
<<locked>>
92%
27847
46%
**19
90%
Baschieri & Pellagri 107
<<locked>>
81%
39030
65%
**44
97%
Bofors RP3
<<locked>>
81%
32822
55%
**46
98%
[Bofors RP7]*
<<locked>>
83%
32024
53%
**67
90%
Hodgdon BL-C2
<<locked>>
81%
41278
69%
**87
100%
Hodgdon Benchmark
<<locked>>
81%
44643
74%
**41
100%
Hodgdon CFE223
<<locked>>
81%
34360
57%
**88
96%
Hodgdon H322
<<locked>>
81%
45049
75%
**77
100%
Hodgdon H380
<<locked>>
81%
33895
56%
**46
95%
[Hodgdon H414]*
<<locked>>
82%
30342
50%
**06
90%
[Hodgdon H4350]*
<<locked>>
89%
32866
55%
**06
90%
Hodgdon H4895
<<locked>>
81%
40799
68%
**54
99%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
24004
40%
**42
92%
[Hodgdon LVR]*
<<locked>>
81%
28268
47%
**54
92%
[Hodgdon Superperformance]*
<<locked>>
88%
34142
57%
**88
90%
Hodgdon VARGET
<<locked>>
81%
34272
57%
**23
96%
IMR 3031
<<locked>>
81%
36419
61%
**95
100%
IMR 4064
<<locked>>
81%
33779
56%
**06
96%
[IMR 4166 Enduron]*
<<locked>>
81%
34055
57%
**77
92%
IMR 4198
<<locked>>
81%
50473
84%
**57
100%
[IMR 4350]*
<<locked>>
87%
32256
54%
**93
90%
[IMR 4451 Enduron]*
<<locked>>
81%
31966
53%
**67
91%
[IMR 4831]*
<<locked>>
83%
23540
39%
**49
90%
IMR 4895
<<locked>>
81%
37130
62%
**14
98%
IMR 8208 XBR
<<locked>>
81%
42612
71%
**51
100%
Lovex D073.4
<<locked>>
81%
50038
83%
**36
100%
Lovex D073.5
<<locked>>
81%
47572
79%
**13
100%
Lovex D073.6
<<locked>>
81%
38943
65%
**31
100%
Lovex S060
<<locked>>
81%
41263
69%
**98
99%
Lovex S062
<<locked>>
81%
35969
60%
**62
99%
[Lovex S065]*
<<locked>>
81%
29283
49%
**24
92%
[Lovex S070]*
<<locked>>
84%
29863
50%
**57
90%
Norma 201
<<locked>>
81%
39595
66%
**05
99%
Norma 202
<<locked>>
81%
39668
66%
**18
100%
Norma 203B
<<locked>>
81%
35766
59%
**88
98%
[Norma 204]*
<<locked>>
92%
37231
62%
**11
90%
[Norma URP]*
<<locked>>
81%
25730
43%
**04
91%
Ramshot Big Game
<<locked>>
81%
35041
58%
**95
97%
[Ramshot Hunter]*
<<locked>>
85%
28964
48%
**77
90%
Ramshot TAC
<<locked>>
81%
42308
70%
**54
97%
Ramshot Wild Boar
<<locked>>
81%
41466
69%
**70
99%
Ramshot X-Terminator
<<locked>>
81%
46064
77%
**90
99%
ReloadSwiss RS 40
<<locked>>
81%
47819
79%
**16
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
34621
58%
**32
93%
ReloadSwiss RS 52
<<locked>>
81%
37231
62%
**64
97%
ReloadSwiss RS 60
<<locked>>
81%
30922
51%
**62
99%
[ReloadSwiss RS 62]*
<<locked>>
81%
24947
41%
**11
90%
[ReloadSwiss RS 70]*
<<locked>>
84%
28384
47%
**70
90%
Rottweil R 901
<<locked>>
81%
43598
72%
**41
100%
Rottweil R 902
<<locked>>
81%
37710
63%
**69
99%
Rottweil R 903
<<locked>>
81%
30748
51%
**96
97%
[Rottweil R 907]*
<<locked>>
83%
32024
53%
**67
90%
SNPE Vectan SP 11
<<locked>>
81%
32024
53%
**39
96%
SNPE Vectan SP 7
<<locked>>
81%
40219
67%
**28
97%
SNPE Vectan SP 9
<<locked>>
81%
38769
64%
**14
98%
SNPE Vectan Tubal 3000
<<locked>>
81%
41466
69%
**72
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
34113
57%
**73
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
83%
29428
49%
**14
90%
[Shooters World Long Rifle]*
<<locked>>
81%
29283
49%
**24
92%
Shooters World Match Rifle
<<locked>>
81%
38943
65%
**31
100%
Shooters World Precision
<<locked>>
81%
35969
60%
**62
99%
Shooters World Tactical Rifle
<<locked>>
81%
50546
84%
**29
100%
Somchem S321
<<locked>>
81%
45498
76%
**13
100%
Somchem S335
<<locked>>
81%
40640
68%
**75
100%
Somchem S341
<<locked>>
81%
39871
66%
**28
98%
Somchem S355
<<locked>>
81%
31908
53%
**06
97%
[Somchem S365]*
<<locked>>
81%
23119
38%
**65
94%
[Somchem S385]*
<<locked>>
94%
32010
53%
**39
90%
Vihtavuori N130
<<locked>>
81%
45876
76%
**08
100%
Vihtavuori N133
<<locked>>
81%
39073
65%
**36
100%
Vihtavuori N135
<<locked>>
81%
31227
52%
**67
100%
Vihtavuori N140
<<locked>>
81%
37101
62%
**62
100%
Vihtavuori N150
<<locked>>
81%
27296
45%
**98
97%
[Vihtavuori N160]*
<<locked>>
81%
28195
47%
**37
93%
Vihtavuori N530
<<locked>>
81%
44556
74%
**90
100%
Vihtavuori N540
<<locked>>
81%
36593
61%
**75
100%
[Vihtavuori N550]*
<<locked>>
81%
28108
47%
**67
93%
[Vihtavuori N555]*
<<locked>>
87%
23206
39%
**88
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
27267
45%
**98
94%
Winchester 748
<<locked>>
81%
44628
74%
**29
100%
[Winchester 760]*
<<locked>>
82%
30342
50%
**06
90%
[Winchester StaBALL HD]*
<<locked>>
94%
24540
41%
**31
90%
Winchester StaBALL Match
<<locked>>
81%
47674
79%
**65
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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