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Load data for 9.3 x 66 Sako (370 Sako Mag) + .366 | 193gr | Sellier & Bellot SPFN

Recommended Powder(s): Accurate 2495, Accurate 2520, Hodgdon H322, Somchem S321, Winchester 748

9.3 x 66 Sako (370 Sako Mag) + .366 | 193gr | Sellier & Bellot SPFN

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.366 | 193gr | Sellier & Bellot SPFN
Manufacturer SKU:
2951
Bullet Weight:
193gr | 12.5g
Bullet Diameter:
0.366" | 9.30mm
Bullet Length:
0.827" | 21.0mm
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:
0.127" | 3.2mm
Shank Seated Depth:
0.127" | 3.2mm
Case Capacity:
81.0 Grains of Water | 5.26 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
60191 psi | 4150 bar
LID:
LID_B7257_C1263
Last updated:
2025-01-01

Load data for 160 loads in caliber 9.3 x 66 Sako (370 Sako Mag) with .366 | 193gr | Sellier & Bellot SPFN bullet and 80 powders such as Accurate 2495, Accurate 2520, Hodgdon H322, Somchem S321, Winchester 748. 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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    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.

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>>
96%
54070
90%
**59
97%
ADI AR 2207
<<locked>>
84%
54114
90%
**48
100%
ADI AR 2208
<<locked>>
97%
46470
77%
**02
95%
ADI AR 2219
<<locked>>
87%
53838
89%
**46
100%
Accurate 2015
<<locked>>
92%
54041
90%
**94
100%
Accurate 2200
<<locked>>
94%
54157
90%
**13
96%
Accurate 2230
<<locked>>
89%
53621
89%
**04
98%
Accurate 2460
<<locked>>
90%
53432
89%
**17
99%
Accurate 2495 👍
<<locked>>
96%
53142
88%
**56
100%
Accurate 2520 👍
<<locked>>
95%
53882
90%
**72
100%
Accurate 4064
<<locked>>
97%
45194
75%
**41
99%
Alliant AR-Comp
<<locked>>
95%
53766
89%
**59
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
44904
75%
**25
97%
Alliant Reloder-10x
<<locked>>
89%
53548
89%
**97
100%
Alliant Reloder-15
<<locked>>
97%
48907
81%
**00
96%
[Alliant Reloder-17]*
<<locked>>
97%
39726
66%
**72
94%
Alliant Reloder-7
<<locked>>
83%
53534
89%
**35
100%
Baschieri & Pellagri 106
<<locked>>
87%
54172
90%
**35
100%
Baschieri & Pellagri 107
<<locked>>
96%
53882
90%
**69
96%
Hodgdon BL-C2
<<locked>>
94%
53592
89%
**86
99%
Hodgdon Benchmark
<<locked>>
92%
53664
89%
**81
99%
Hodgdon CFE BLK
<<locked>>
84%
54056
90%
**54
99%
Hodgdon CFE223
<<locked>>
97%
48138
80%
**00
95%
Hodgdon H322 👍
<<locked>>
93%
54157
90%
**46
100%
Hodgdon H335
<<locked>>
87%
54056
90%
**53
100%
[Hodgdon H380]*
<<locked>>
97%
46325
77%
**28
93%
Hodgdon H4198
<<locked>>
86%
54128
90%
**44
100%
Hodgdon VARGET
<<locked>>
97%
46470
77%
**02
95%
Hodgdon TrailBoss
<<locked>>
97%
32198
53%
**45
100%
IMR 3031
<<locked>>
97%
48356
80%
**10
100%
IMR 4064
<<locked>>
97%
45078
75%
**76
95%
IMR 4198
<<locked>>
89%
53824
89%
**58
100%
IMR 4895
<<locked>>
97%
49835
83%
**27
97%
IMR 8208 XBR
<<locked>>
94%
53722
89%
**30
99%
Lovex D073.4
<<locked>>
89%
54012
90%
**17
99%
Lovex D073.5
<<locked>>
90%
54041
90%
**20
99%
Lovex D073.6
<<locked>>
97%
53751
89%
**66
100%
Lovex S060
<<locked>>
95%
53534
89%
**71
97%
Lovex S062
<<locked>>
97%
48254
80%
**48
98%
Norma 200
<<locked>>
85%
53766
89%
**71
100%
Norma 201
<<locked>>
97%
53795
89%
**30
99%
Norma 202
<<locked>>
97%
53969
90%
**46
100%
Norma 203B
<<locked>>
97%
48022
80%
**81
96%
Ramshot Big Game
<<locked>>
97%
48472
81%
**04
96%
[Ramshot TAC]*
<<locked>>
93%
53563
89%
**04
94%
Ramshot Wild Boar
<<locked>>
95%
54056
90%
**63
97%
Ramshot X-Terminator
<<locked>>
91%
53940
90%
**07
97%
ReloadSwiss RS 14
<<locked>>
96%
32068
53%
**81
100%
ReloadSwiss RS 40
<<locked>>
90%
54099
90%
**33
99%
[ReloadSwiss RS 50]*
<<locked>>
97%
47921
80%
**15
92%
ReloadSwiss RS 52
<<locked>>
97%
46905
78%
**10
98%
[ReloadSwiss RS 60]*
<<locked>>
97%
38827
64%
**49
94%
Rottweil R 901
<<locked>>
94%
53824
89%
**17
100%
Rottweil R 902
<<locked>>
97%
50618
84%
**64
98%
Rottweil R 903
<<locked>>
97%
41292
69%
**59
95%
SNPE Vectan BA6 1/2
<<locked>>
84%
54157
90%
**89
100%
SNPE Vectan SP 10
<<locked>>
87%
53882
90%
**40
100%
SNPE Vectan SP 11
<<locked>>
97%
43961
73%
**25
95%
SNPE Vectan SP 7
<<locked>>
95%
53969
90%
**23
95%
SNPE Vectan SP 9
<<locked>>
97%
53795
89%
**53
97%
SNPE Vectan Tubal 3000
<<locked>>
95%
54041
90%
**58
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
46311
77%
**43
100%
Shooters World Match Rifle
<<locked>>
97%
53751
89%
**66
100%
Shooters World Precision
<<locked>>
97%
48254
80%
**48
98%
Shooters World Tactical Rifle
<<locked>>
88%
53737
89%
**87
98%
Somchem S321 👍
<<locked>>
91%
53664
89%
**49
99%
Somchem S335
<<locked>>
96%
53925
90%
**71
100%
Somchem S341
<<locked>>
95%
53780
89%
**33
97%
Somchem S355
<<locked>>
97%
42757
71%
**66
95%
Vihtavuori N120
<<locked>>
86%
53476
89%
**85
100%
Vihtavuori N130
<<locked>>
92%
54070
90%
**44
100%
Vihtavuori N133
<<locked>>
97%
51750
86%
**31
100%
Vihtavuori N135
<<locked>>
97%
40277
67%
**03
100%
Vihtavuori N140
<<locked>>
97%
50140
83%
**61
100%
Vihtavuori N150
<<locked>>
97%
36085
60%
**08
95%
Vihtavuori N530
<<locked>>
92%
53708
89%
**43
99%
Vihtavuori N540
<<locked>>
97%
50198
83%
**87
100%
[Winchester 6.5 StaBALL]*
<<locked>>
97%
38319
64%
**21
93%
Winchester 748 👍
<<locked>>
92%
54012
90%
**86
99%
Winchester StaBALL Match
<<locked>>
90%
53693
89%
**72
98%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2206H]*
<<locked>>
81%
33576
56%
**46
91%
ADI AR 2207
<<locked>>
81%
49066
82%
**76
100%
[ADI AR 2208]*
<<locked>>
86%
34069
57%
**33
90%
ADI AR 2219
<<locked>>
81%
44063
73%
**76
99%
Accurate 2015
<<locked>>
81%
38014
63%
**15
100%
[Accurate 2200]*
<<locked>>
81%
36129
60%
**59
90%
Accurate 2230
<<locked>>
81%
39798
66%
**54
95%
Accurate 2460
<<locked>>
81%
39450
66%
**64
97%
Accurate 2495
<<locked>>
81%
32024
53%
**59
98%
Accurate 2520
<<locked>>
81%
33272
55%
**69
95%
[Accurate 4064]*
<<locked>>
81%
26948
45%
**08
94%
Alliant AR-Comp
<<locked>>
81%
33417
56%
**95
100%
[Alliant Reloder- TS 15.5]*
<<locked>>
83%
28892
48%
**51
90%
Alliant Reloder-10x
<<locked>>
81%
41669
69%
**97
100%
[Alliant Reloder-15]*
<<locked>>
85%
33069
55%
**49
90%
[Alliant Reloder-17]*
<<locked>>
91%
33417
56%
**02
90%
Alliant Reloder-7
<<locked>>
81%
49980
83%
**82
100%
Baschieri & Pellagri 106
<<locked>>
81%
43976
73%
**71
100%
[Baschieri & Pellagri 107]*
<<locked>>
83%
35317
59%
**95
90%
[Hodgdon BL-C2]*
<<locked>>
81%
33417
56%
**82
93%
Hodgdon Benchmark
<<locked>>
81%
38014
63%
**89
96%
Hodgdon CFE BLK
<<locked>>
81%
48747
81%
**59
98%
[Hodgdon CFE223]*
<<locked>>
89%
36840
61%
**57
90%
Hodgdon H322
<<locked>>
81%
37391
62%
**44
98%
Hodgdon H335
<<locked>>
81%
43526
72%
**69
99%
[Hodgdon H380]*
<<locked>>
90%
37188
62%
**38
90%
Hodgdon H4198
<<locked>>
81%
47108
78%
**33
100%
[Hodgdon VARGET]*
<<locked>>
87%
34069
57%
**33
90%
Hodgdon TrailBoss
<<locked>>
86%
27702
46%
**50
100%
IMR 3031
<<locked>>
81%
29327
49%
**93
97%
[IMR 4064]*
<<locked>>
86%
32648
54%
**97
90%
IMR 4198
<<locked>>
81%
42917
71%
**77
100%
[IMR 4895]*
<<locked>>
82%
31038
52%
**13
90%
[IMR 8208 XBR]*
<<locked>>
81%
35534
59%
**75
94%
Lovex D073.4
<<locked>>
81%
41191
68%
**87
97%
Lovex D073.5
<<locked>>
81%
39146
65%
**61
96%
[Lovex D073.6]*
<<locked>>
81%
31024
52%
**13
94%
[Lovex S060]*
<<locked>>
81%
34809
58%
**07
92%
[Lovex S062]*
<<locked>>
81%
29138
48%
**25
91%
Norma 200
<<locked>>
81%
46978
78%
**69
100%
[Norma 201]*
<<locked>>
81%
32721
54%
**03
93%
Norma 202
<<locked>>
81%
32561
54%
**30
96%
[Norma 203B]*
<<locked>>
83%
31169
52%
**10
90%
[Ramshot Big Game]*
<<locked>>
85%
33011
55%
**59
90%
[Ramshot TAC]*
<<locked>>
85%
40030
66%
**54
90%
[Ramshot Wild Boar]*
<<locked>>
81%
34069
57%
**62
91%
[Ramshot X-Terminator]*
<<locked>>
81%
38682
64%
**18
93%
ReloadSwiss RS 14
<<locked>>
82%
25962
43%
**47
100%
ReloadSwiss RS 40
<<locked>>
81%
40030
67%
**74
97%
[ReloadSwiss RS 50]*
<<locked>>
94%
43468
72%
**30
90%
[ReloadSwiss RS 52]*
<<locked>>
81%
27615
46%
**41
90%
[ReloadSwiss RS 60]*
<<locked>>
91%
32692
54%
**72
90%
Rottweil R 901
<<locked>>
81%
36361
60%
**85
97%
[Rottweil R 902]*
<<locked>>
81%
31125
52%
**51
92%
[Rottweil R 903]*
<<locked>>
86%
29167
48%
**64
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
49879
83%
**36
100%
SNPE Vectan SP 10
<<locked>>
81%
44367
74%
**85
99%
[SNPE Vectan SP 11]*
<<locked>>
88%
33170
55%
**66
90%
[SNPE Vectan SP 7]*
<<locked>>
85%
37521
62%
**15
90%
[SNPE Vectan SP 9]*
<<locked>>
81%
32111
53%
**00
90%
SNPE Vectan Tubal 3000
<<locked>>
81%
34838
58%
**03
97%
SNPE Vectan Tubal 5000
<<locked>>
81%
28079
47%
**46
95%
[Shooters World Match Rifle]*
<<locked>>
81%
31024
52%
**13
94%
[Shooters World Precision]*
<<locked>>
81%
29138
48%
**25
91%
Shooters World Tactical Rifle
<<locked>>
81%
42424
70%
**84
96%
Somchem S321
<<locked>>
81%
37724
63%
**44
95%
Somchem S335
<<locked>>
81%
33910
56%
**97
97%
[Somchem S341]*
<<locked>>
81%
32851
55%
**13
91%
[Somchem S355]*
<<locked>>
85%
29762
49%
**64
90%
Vihtavuori N120
<<locked>>
81%
45876
76%
**71
100%
Vihtavuori N130
<<locked>>
81%
38812
64%
**92
100%
Vihtavuori N133
<<locked>>
81%
32401
54%
**67
98%
Vihtavuori N135
<<locked>>
81%
24845
41%
**16
95%
Vihtavuori N140
<<locked>>
81%
30255
50%
**57
95%
[Vihtavuori N150]*
<<locked>>
87%
26658
44%
**49
90%
Vihtavuori N530
<<locked>>
81%
37289
62%
**25
95%
Vihtavuori N540
<<locked>>
81%
30095
50%
**70
95%
[Winchester 6.5 StaBALL]*
<<locked>>
92%
32706
54%
**80
90%
Winchester 748
<<locked>>
81%
36361
60%
**57
95%
[Winchester StaBALL Match]*
<<locked>>
81%
39073
65%
**90
94%

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.

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