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Load data for 9.3 x 66 Sako (370 Sako Mag) + .366 | 286gr | Hornady InterLock SP

Recommended Powder(s): Baschieri & Pellagri 107, IMR 4895, Norma 203B, Ramshot Big Game, ReloadSwiss RS 52

9.3 x 66 Sako (370 Sako Mag) + .366 | 286gr | Hornady InterLock SP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.366 | 286gr | Hornady InterLock SP
Manufacturer SKU:
3560
Bullet Weight:
286gr | 18.5g
Bullet Diameter:
0.366" | 9.30mm
Bullet Length:
1.270" | 32.3mm
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:
0.570" | 14.5mm
Shank Seated Depth:
0.570" | 14.5mm
Case Capacity:
81.0 Grains of Water | 5.26 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
60191 psi | 4150 bar
LID:
LID_B2802_C1263
Last updated:
2025-01-01

Load data for 188 loads in caliber 9.3 x 66 Sako (370 Sako Mag) with .366 | 286gr | Hornady InterLock SP bullet and 94 powders such as Baschieri & Pellagri 107, IMR 4895, Norma 203B, Ramshot Big Game, ReloadSwiss RS 52. 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".

  • Muzzle velocity vs. barrel length

    Every 1 inch additional barrel length increases muzzle velocity by approx. 21.7 fps

  • 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.

    .

    Loading_icon.gif

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%
53316
89%
**88
100%
ADI AR 2208
<<locked>>
97%
54027
90%
**82
99%
Accurate 2015
<<locked>>
87%
53592
89%
**93
100%
Accurate 2200
<<locked>>
89%
54070
90%
**59
99%
Accurate 2230
<<locked>>
85%
53301
89%
**46
100%
Accurate 2460
<<locked>>
85%
54143
90%
**56
100%
Accurate 2495
<<locked>>
90%
53838
89%
**65
100%
Accurate 2520
<<locked>>
90%
53911
90%
**85
100%
Accurate 2700
<<locked>>
97%
53098
88%
**13
95%
Accurate 4064
<<locked>>
96%
53417
89%
**85
100%
Accurate 4350
<<locked>>
97%
40509
67%
**70
97%
Alliant AR-Comp
<<locked>>
89%
53214
88%
**43
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
53534
89%
**02
100%
Alliant Reloder-10x
<<locked>>
84%
53824
89%
**03
100%
Alliant Reloder-15
<<locked>>
94%
53621
89%
**08
99%
Alliant Reloder-16
<<locked>>
97%
40944
68%
**70
97%
Alliant Reloder-17
<<locked>>
97%
47282
79%
**05
99%
[Alliant Reloder-23]*
<<locked>>
97%
29051
48%
**44
93%
Baschieri & Pellagri 107 👍
<<locked>>
91%
54041
90%
**15
99%
Hodgdon BL-C2
<<locked>>
89%
53388
89%
**15
100%
Hodgdon Benchmark
<<locked>>
88%
53359
89%
**16
100%
Hodgdon CFE223
<<locked>>
95%
53476
89%
**48
99%
Hodgdon H322
<<locked>>
87%
53577
89%
**49
100%
Hodgdon H380
<<locked>>
96%
53824
89%
**05
99%
Hodgdon H414
<<locked>>
97%
48762
81%
**88
96%
[Hodgdon H4350]*
<<locked>>
97%
39914
66%
**75
92%
Hodgdon Hybrid 100V
<<locked>>
97%
37608
62%
**78
98%
Hodgdon LVR
<<locked>>
97%
45107
75%
**20
97%
[Hodgdon Superperformance]*
<<locked>>
97%
45281
75%
**33
94%
Hodgdon VARGET
<<locked>>
97%
53621
89%
**72
99%
IMR 3031
<<locked>>
94%
53359
89%
**88
100%
IMR 4064
<<locked>>
97%
52736
88%
**52
99%
IMR 4166 Enduron
<<locked>>
97%
53243
88%
**33
96%
IMR 4198
<<locked>>
84%
53606
89%
**57
100%
[IMR 4350]*
<<locked>>
97%
42641
71%
**24
93%
IMR 4451 Enduron
<<locked>>
97%
50676
84%
**26
96%
IMR 4831
<<locked>>
97%
35027
58%
**49
95%
IMR 4895 👍
<<locked>>
94%
53867
90%
**25
100%
IMR 8208 XBR
<<locked>>
89%
53432
89%
**56
100%
Lovex D073.4
<<locked>>
84%
53838
89%
**39
100%
Lovex D073.5
<<locked>>
85%
53679
89%
**52
100%
Lovex D073.6
<<locked>>
92%
53911
90%
**85
100%
Lovex S060
<<locked>>
91%
54085
90%
**33
100%
Lovex S062
<<locked>>
95%
53708
89%
**72
100%
Lovex S065
<<locked>>
97%
45818
76%
**70
96%
Lovex S070
<<locked>>
97%
43700
73%
**57
95%
Norma 201
<<locked>>
91%
53272
89%
**56
100%
Norma 202
<<locked>>
92%
54012
90%
**65
100%
Norma 203B 👍
<<locked>>
95%
53388
89%
**11
100%
Norma URP
<<locked>>
97%
41205
68%
**70
97%
Ramshot Big Game 👍
<<locked>>
95%
53751
89%
**31
100%
[Ramshot Hunter]*
<<locked>>
97%
40509
67%
**54
94%
Ramshot TAC
<<locked>>
89%
53969
90%
**72
98%
Ramshot Wild Boar
<<locked>>
90%
53737
89%
**98
100%
Ramshot X-Terminator
<<locked>>
87%
53911
90%
**49
100%
ReloadSwiss RS 40
<<locked>>
86%
53795
89%
**49
100%
ReloadSwiss RS 50
<<locked>>
95%
53447
89%
**75
97%
ReloadSwiss RS 52 👍
<<locked>>
96%
54041
90%
**48
100%
ReloadSwiss RS 60
<<locked>>
97%
46050
77%
**05
100%
ReloadSwiss RS 62
<<locked>>
97%
40147
67%
**80
96%
ReloadSwiss RS 70
<<locked>>
97%
41553
69%
**93
95%
Rottweil R 901
<<locked>>
89%
53969
90%
**33
100%
Rottweil R 902
<<locked>>
94%
53867
90%
**56
100%
Rottweil R 903
<<locked>>
97%
50024
83%
**62
100%
Rottweil R 907
<<locked>>
97%
48008
80%
**90
95%
SNPE Vectan SP 11
<<locked>>
97%
51721
86%
**11
100%
SNPE Vectan SP 7
<<locked>>
90%
53185
88%
**65
98%
SNPE Vectan SP 9
<<locked>>
92%
53490
89%
**88
100%
SNPE Vectan Tubal 3000
<<locked>>
91%
54056
90%
**93
100%
SNPE Vectan Tubal 5000
<<locked>>
96%
53432
89%
**87
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
45484
76%
**24
95%
Shooters World Long Rifle
<<locked>>
97%
45818
76%
**70
96%
Shooters World Match Rifle
<<locked>>
92%
53911
90%
**85
100%
Shooters World Precision
<<locked>>
95%
53708
89%
**72
100%
Shooters World Tactical Rifle
<<locked>>
83%
53156
88%
**20
100%
Somchem S321
<<locked>>
87%
53751
89%
**79
100%
Somchem S335
<<locked>>
91%
53824
89%
**00
100%
Somchem S341
<<locked>>
90%
53534
89%
**75
100%
Somchem S355
<<locked>>
97%
50488
84%
**59
100%
Somchem S365
<<locked>>
97%
36550
61%
**24
99%
Vihtavuori N130
<<locked>>
87%
53693
89%
**64
100%
Vihtavuori N133
<<locked>>
93%
53592
89%
**80
100%
Vihtavuori N135
<<locked>>
97%
48646
81%
**80
100%
Vihtavuori N140
<<locked>>
94%
53780
89%
**39
100%
Vihtavuori N150
<<locked>>
97%
42859
71%
**21
100%
Vihtavuori N160
<<locked>>
97%
45527
76%
**03
98%
Vihtavuori N530
<<locked>>
87%
53766
89%
**69
100%
Vihtavuori N540
<<locked>>
94%
53882
90%
**72
100%
Vihtavuori N550
<<locked>>
97%
44976
75%
**36
98%
[Vihtavuori N555]*
<<locked>>
97%
30603
51%
**16
94%
Winchester 6.5 StaBALL
<<locked>>
97%
43845
73%
**57
99%
Winchester 748
<<locked>>
87%
53737
89%
**08
100%
Winchester 760
<<locked>>
97%
48762
81%
**88
96%
Winchester StaBALL Match
<<locked>>
85%
53621
89%
**05
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
39508
66%
**75
98%
ADI AR 2208
<<locked>>
81%
33475
56%
**44
95%
Accurate 2015
<<locked>>
81%
44976
75%
**88
100%
Accurate 2200
<<locked>>
81%
41698
69%
**78
97%
Accurate 2230
<<locked>>
81%
46760
78%
**54
99%
Accurate 2460
<<locked>>
81%
46688
78%
**60
100%
Accurate 2495
<<locked>>
81%
39682
66%
**78
100%
Accurate 2520
<<locked>>
81%
40263
67%
**98
100%
[Accurate 2700]*
<<locked>>
85%
36013
60%
**44
90%
Accurate 4064
<<locked>>
81%
33388
55%
**80
99%
[Accurate 4350]*
<<locked>>
83%
25425
42%
**49
90%
Alliant AR-Comp
<<locked>>
81%
40379
67%
**78
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
32532
54%
**60
97%
Alliant Reloder-10x
<<locked>>
81%
48704
81%
**41
100%
Alliant Reloder-15
<<locked>>
81%
35244
59%
**16
96%
[Alliant Reloder-16]*
<<locked>>
83%
27412
46%
**59
90%
[Alliant Reloder-17]*
<<locked>>
81%
28166
47%
**18
93%
[Alliant Reloder-23]*
<<locked>>
91%
24961
41%
**26
90%
Baschieri & Pellagri 107
<<locked>>
81%
38174
63%
**72
96%
Hodgdon BL-C2
<<locked>>
81%
40118
67%
**21
99%
Hodgdon Benchmark
<<locked>>
81%
43816
73%
**78
100%
[Hodgdon CFE223]*
<<locked>>
81%
33504
56%
**10
94%
Hodgdon H322
<<locked>>
81%
43714
73%
**18
100%
[Hodgdon H380]*
<<locked>>
81%
33199
55%
**67
94%
[Hodgdon H414]*
<<locked>>
85%
33344
55%
**03
90%
[Hodgdon H4350]*
<<locked>>
92%
35259
59%
**90
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
23279
39%
**41
90%
[Hodgdon LVR]*
<<locked>>
82%
27963
46%
**75
90%
[Hodgdon Superperformance]*
<<locked>>
91%
36840
61%
**75
90%
Hodgdon VARGET
<<locked>>
81%
33286
55%
**41
95%
IMR 3031
<<locked>>
81%
35404
59%
**29
100%
IMR 4064
<<locked>>
81%
32895
55%
**28
95%
[IMR 4166 Enduron]*
<<locked>>
81%
33257
55%
**95
90%
IMR 4198
<<locked>>
81%
49516
82%
**08
100%
[IMR 4350]*
<<locked>>
91%
35172
58%
**90
90%
[IMR 4451 Enduron]*
<<locked>>
83%
33402
55%
**28
90%
[IMR 4831]*
<<locked>>
86%
25498
42%
**26
90%
IMR 4895
<<locked>>
81%
36100
60%
**42
97%
IMR 8208 XBR
<<locked>>
81%
41568
69%
**88
99%
Lovex D073.4
<<locked>>
81%
48689
81%
**77
100%
Lovex D073.5
<<locked>>
81%
46441
77%
**57
100%
Lovex D073.6
<<locked>>
81%
37434
62%
**52
99%
Lovex S060
<<locked>>
81%
40132
67%
**23
98%
Lovex S062
<<locked>>
81%
34795
58%
**80
98%
[Lovex S065]*
<<locked>>
82%
29080
48%
**49
90%
[Lovex S070]*
<<locked>>
87%
32285
54%
**37
90%
Norma 201
<<locked>>
81%
38711
64%
**39
99%
Norma 202
<<locked>>
81%
38580
64%
**46
100%
Norma 203B
<<locked>>
81%
34766
58%
**10
96%
[Norma URP]*
<<locked>>
82%
26324
44%
**46
90%
Ramshot Big Game
<<locked>>
81%
33924
56%
**06
96%
[Ramshot Hunter]*
<<locked>>
89%
31705
53%
**73
90%
Ramshot TAC
<<locked>>
81%
41437
69%
**85
95%
Ramshot Wild Boar
<<locked>>
81%
40495
67%
**01
98%
Ramshot X-Terminator
<<locked>>
81%
44759
74%
**24
99%
ReloadSwiss RS 40
<<locked>>
81%
46731
78%
**60
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
33779
56%
**54
91%
ReloadSwiss RS 52
<<locked>>
81%
32837
55%
**10
98%
[ReloadSwiss RS 60]*
<<locked>>
81%
27630
46%
**05
94%
[ReloadSwiss RS 62]*
<<locked>>
85%
27470
46%
**01
90%
[ReloadSwiss RS 70]*
<<locked>>
88%
30951
51%
**64
90%
Rottweil R 901
<<locked>>
81%
42598
71%
**78
100%
Rottweil R 902
<<locked>>
81%
36637
61%
**93
98%
Rottweil R 903
<<locked>>
81%
29936
50%
**18
96%
[Rottweil R 907]*
<<locked>>
86%
34940
58%
**60
90%
SNPE Vectan SP 11
<<locked>>
81%
31198
52%
**54
95%
SNPE Vectan SP 7
<<locked>>
81%
39378
65%
**56
96%
SNPE Vectan SP 9
<<locked>>
81%
37782
63%
**49
97%
SNPE Vectan Tubal 3000
<<locked>>
81%
40393
67%
**03
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
32982
55%
**91
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
86%
31966
53%
**95
90%
[Shooters World Long Rifle]*
<<locked>>
82%
29080
48%
**49
90%
Shooters World Match Rifle
<<locked>>
81%
37434
62%
**52
99%
Shooters World Precision
<<locked>>
81%
34795
58%
**80
98%
Shooters World Tactical Rifle
<<locked>>
81%
49124
82%
**70
100%
Somchem S321
<<locked>>
81%
44556
74%
**51
100%
Somchem S335
<<locked>>
81%
39914
66%
**13
100%
Somchem S341
<<locked>>
81%
38972
65%
**59
97%
Somchem S355
<<locked>>
81%
31111
52%
**28
96%
[Somchem S365]*
<<locked>>
81%
22539
37%
**64
91%
Vihtavuori N130
<<locked>>
81%
45078
75%
**56
100%
Vihtavuori N133
<<locked>>
81%
38029
63%
**67
100%
Vihtavuori N135
<<locked>>
81%
30182
50%
**85
100%
Vihtavuori N140
<<locked>>
81%
35839
60%
**87
100%
Vihtavuori N150
<<locked>>
81%
26498
44%
**06
95%
[Vihtavuori N160]*
<<locked>>
81%
27267
45%
**39
90%
Vihtavuori N530
<<locked>>
81%
43395
72%
**21
99%
Vihtavuori N540
<<locked>>
81%
35650
59%
**00
99%
[Vihtavuori N550]*
<<locked>>
81%
27427
46%
**82
91%
[Vihtavuori N555]*
<<locked>>
90%
24889
41%
**59
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
26643
44%
**03
93%
Winchester 748
<<locked>>
81%
43410
72%
**64
100%
[Winchester 760]*
<<locked>>
85%
33344
55%
**03
90%
Winchester StaBALL Match
<<locked>>
81%
46354
77%
**03
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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