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Load data for 9.3 x 66 Sako (370 Sako Mag) + .366 | 200gr | Ferrobull Entox Sport

Recommended Powder(s): Accurate 2520, Hodgdon H322, Somchem S321, Vihtavuori N530, Winchester 748

9.3 x 66 Sako (370 Sako Mag) + .366 | 200gr | Ferrobull Entox Sport

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.366 | 200gr | Ferrobull Entox Sport
Manufacturer SKU:
S-366-200
Bullet Weight:
200gr | 13.0g
Bullet Diameter:
0.366" | 9.30mm
Bullet Length:
1.161" | 29.5mm
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:
0.461" | 11.7mm
Shank Seated Depth:
0.102" | 2.6mm
Case Capacity:
81.0 Grains of Water | 5.26 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
60191 psi | 4150 bar
LID:
LID_B9087_C1263
Last updated:
2025-01-01
Recommended Twist Rate:
1:18 - 1:15

Load data for 160 loads in caliber 9.3 x 66 Sako (370 Sako Mag) with .366 | 200gr | Ferrobull Entox Sport bullet and 80 powders such as Accurate 2520, Hodgdon H322, Somchem S321, Vihtavuori N530, 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%
53795
89%
**00
98%
ADI AR 2207
<<locked>>
84%
53911
90%
**79
100%
ADI AR 2208
<<locked>>
97%
46079
77%
**36
95%
ADI AR 2219
<<locked>>
87%
53490
89%
**74
100%
Accurate 2015
<<locked>>
92%
53577
89%
**18
100%
Accurate 2200
<<locked>>
94%
53635
89%
**38
96%
Accurate 2230
<<locked>>
90%
53983
90%
**54
98%
Accurate 2460
<<locked>>
90%
53635
89%
**61
99%
Accurate 2495
<<locked>>
97%
53722
89%
**07
100%
Accurate 2520 👍
<<locked>>
95%
53374
89%
**00
100%
Accurate 4064
<<locked>>
97%
44208
73%
**62
99%
Alliant AR-Comp
<<locked>>
96%
54128
90%
**00
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
44048
73%
**49
97%
Alliant Reloder-10x
<<locked>>
90%
53447
89%
**35
100%
Alliant Reloder-15
<<locked>>
97%
48269
80%
**25
96%
[Alliant Reloder-17]*
<<locked>>
97%
39523
66%
**07
94%
Alliant Reloder-7
<<locked>>
83%
53548
89%
**76
100%
Baschieri & Pellagri 106
<<locked>>
88%
53882
90%
**69
100%
Baschieri & Pellagri 107
<<locked>>
96%
53548
89%
**00
96%
Hodgdon BL-C2
<<locked>>
95%
53490
89%
**27
99%
Hodgdon Benchmark
<<locked>>
93%
53635
89%
**18
99%
Hodgdon CFE BLK
<<locked>>
84%
53809
89%
**82
99%
Hodgdon CFE223
<<locked>>
97%
47427
79%
**28
95%
Hodgdon H322 👍
<<locked>>
93%
53490
89%
**74
100%
Hodgdon H335
<<locked>>
87%
53693
89%
**84
100%
[Hodgdon H380]*
<<locked>>
97%
45803
76%
**62
94%
Hodgdon H4198
<<locked>>
86%
54128
90%
**85
100%
Hodgdon VARGET
<<locked>>
97%
45600
76%
**33
95%
Hodgdon TrailBoss
<<locked>>
97%
32169
53%
**99
100%
IMR 3031
<<locked>>
97%
47645
79%
**44
100%
IMR 4064
<<locked>>
97%
44570
74%
**03
95%
IMR 4198
<<locked>>
89%
53490
89%
**85
100%
IMR 4895
<<locked>>
97%
49414
82%
**64
97%
IMR 8208 XBR
<<locked>>
95%
53737
89%
**64
99%
Lovex D073.4
<<locked>>
89%
53664
89%
**44
99%
Lovex D073.5
<<locked>>
91%
53795
89%
**61
99%
Lovex D073.6
<<locked>>
97%
52243
87%
**84
100%
Lovex S060
<<locked>>
96%
53983
90%
**25
98%
Lovex S062
<<locked>>
97%
47326
79%
**79
98%
Norma 200
<<locked>>
86%
53867
89%
**12
100%
Norma 201
<<locked>>
97%
52823
88%
**51
99%
Norma 202
<<locked>>
97%
53026
88%
**71
100%
Norma 203B
<<locked>>
97%
47413
79%
**18
96%
Ramshot Big Game
<<locked>>
97%
47529
79%
**25
96%
Ramshot TAC
<<locked>>
94%
53650
89%
**51
95%
Ramshot Wild Boar
<<locked>>
95%
53693
89%
**04
98%
Ramshot X-Terminator
<<locked>>
92%
53940
90%
**48
97%
ReloadSwiss RS 14
<<locked>>
97%
32300
54%
**42
100%
ReloadSwiss RS 40
<<locked>>
90%
53490
89%
**61
99%
[ReloadSwiss RS 50]*
<<locked>>
97%
47413
79%
**53
92%
ReloadSwiss RS 52
<<locked>>
97%
45643
76%
**28
98%
[ReloadSwiss RS 60]*
<<locked>>
97%
38464
64%
**87
94%
Rottweil R 901
<<locked>>
95%
53954
90%
**58
100%
Rottweil R 902
<<locked>>
97%
50256
83%
**08
98%
Rottweil R 903
<<locked>>
97%
41017
68%
**94
95%
SNPE Vectan BA6 1/2
<<locked>>
84%
53330
89%
**20
100%
SNPE Vectan SP 10
<<locked>>
87%
53388
89%
**71
100%
SNPE Vectan SP 11
<<locked>>
97%
42873
71%
**46
95%
SNPE Vectan SP 7
<<locked>>
95%
53534
89%
**54
95%
SNPE Vectan SP 9
<<locked>>
97%
52707
88%
**77
97%
SNPE Vectan Tubal 3000
<<locked>>
95%
53664
89%
**89
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
45397
75%
**71
100%
Shooters World Match Rifle
<<locked>>
97%
52243
87%
**84
100%
Shooters World Precision
<<locked>>
97%
47326
79%
**79
98%
Shooters World Tactical Rifle
<<locked>>
88%
53621
89%
**25
98%
Somchem S321 👍
<<locked>>
92%
53969
90%
**97
99%
Somchem S335
<<locked>>
96%
53838
89%
**08
100%
Somchem S341
<<locked>>
96%
53998
90%
**74
97%
Somchem S355
<<locked>>
97%
41916
70%
**00
95%
Vihtavuori N120
<<locked>>
86%
53258
88%
**23
100%
Vihtavuori N130
<<locked>>
93%
54143
90%
**85
100%
Vihtavuori N133
<<locked>>
97%
51358
85%
**66
100%
Vihtavuori N135
<<locked>>
97%
40306
67%
**54
100%
Vihtavuori N140
<<locked>>
97%
49777
83%
**99
100%
Vihtavuori N150
<<locked>>
97%
35273
59%
**39
95%
Vihtavuori N530 👍
<<locked>>
93%
53679
89%
**77
99%
Vihtavuori N540
<<locked>>
97%
49559
82%
**22
100%
[Winchester 6.5 StaBALL]*
<<locked>>
97%
37550
62%
**52
93%
Winchester 748 👍
<<locked>>
93%
53882
90%
**30
99%
Winchester StaBALL Match
<<locked>>
90%
53882
90%
**10
98%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2206H]*
<<locked>>
81%
33185
55%
**84
91%
ADI AR 2207
<<locked>>
81%
48399
80%
**03
100%
[ADI AR 2208]*
<<locked>>
86%
33272
55%
**61
90%
ADI AR 2219
<<locked>>
81%
43453
72%
**13
99%
Accurate 2015
<<locked>>
81%
37739
63%
**56
100%
[Accurate 2200]*
<<locked>>
81%
35853
60%
**97
90%
Accurate 2230
<<locked>>
81%
38928
65%
**82
95%
Accurate 2460
<<locked>>
81%
38812
64%
**95
96%
Accurate 2495
<<locked>>
81%
31734
53%
**03
99%
Accurate 2520
<<locked>>
81%
32721
54%
**10
95%
[Accurate 4064]*
<<locked>>
81%
26847
45%
**59
94%
Alliant AR-Comp
<<locked>>
81%
33054
55%
**39
100%
[Alliant Reloder- TS 15.5]*
<<locked>>
83%
28485
47%
**88
90%
Alliant Reloder-10x
<<locked>>
81%
41278
69%
**31
100%
[Alliant Reloder-15]*
<<locked>>
84%
32401
54%
**87
90%
[Alliant Reloder-17]*
<<locked>>
91%
32895
55%
**39
90%
Alliant Reloder-7
<<locked>>
81%
49734
83%
**20
100%
Baschieri & Pellagri 106
<<locked>>
81%
43555
72%
**08
100%
[Baschieri & Pellagri 107]*
<<locked>>
84%
34838
58%
**33
90%
[Hodgdon BL-C2]*
<<locked>>
81%
32706
54%
**16
93%
Hodgdon Benchmark
<<locked>>
81%
37536
62%
**26
96%
Hodgdon CFE BLK
<<locked>>
81%
48225
80%
**00
98%
[Hodgdon CFE223]*
<<locked>>
88%
35853
60%
**85
90%
Hodgdon H322
<<locked>>
81%
36767
61%
**72
98%
Hodgdon H335
<<locked>>
81%
42685
71%
**00
99%
[Hodgdon H380]*
<<locked>>
90%
36767
61%
**79
90%
Hodgdon H4198
<<locked>>
81%
46731
78%
**64
100%
[Hodgdon VARGET]*
<<locked>>
87%
33518
56%
**70
90%
Hodgdon TrailBoss
<<locked>>
91%
29747
49%
**50
100%
IMR 3031
<<locked>>
81%
28993
48%
**38
97%
[IMR 4064]*
<<locked>>
86%
32547
54%
**44
90%
IMR 4198
<<locked>>
81%
42264
70%
**12
100%
[IMR 4895]*
<<locked>>
82%
30705
51%
**61
90%
[IMR 8208 XBR]*
<<locked>>
81%
35143
58%
**10
94%
Lovex D073.4
<<locked>>
81%
40596
67%
**21
97%
Lovex D073.5
<<locked>>
81%
38682
64%
**95
96%
[Lovex D073.6]*
<<locked>>
81%
30342
50%
**48
94%
[Lovex S060]*
<<locked>>
81%
34534
57%
**48
92%
[Lovex S062]*
<<locked>>
81%
28993
48%
**72
91%
Norma 200
<<locked>>
81%
46644
77%
**07
100%
[Norma 201]*
<<locked>>
81%
32474
54%
**48
93%
Norma 202
<<locked>>
81%
32184
53%
**67
96%
[Norma 203B]*
<<locked>>
83%
30792
51%
**51
90%
[Ramshot Big Game]*
<<locked>>
85%
32590
54%
**97
90%
[Ramshot TAC]*
<<locked>>
84%
39233
65%
**85
90%
[Ramshot Wild Boar]*
<<locked>>
81%
33663
56%
**07
91%
[Ramshot X-Terminator]*
<<locked>>
81%
38261
64%
**52
93%
ReloadSwiss RS 14
<<locked>>
86%
27673
46%
**44
100%
ReloadSwiss RS 40
<<locked>>
81%
39552
66%
**12
97%
[ReloadSwiss RS 50]*
<<locked>>
94%
42917
71%
**64
90%
[ReloadSwiss RS 52]*
<<locked>>
81%
27224
45%
**82
90%
[ReloadSwiss RS 60]*
<<locked>>
91%
32184
53%
**13
90%
Rottweil R 901
<<locked>>
81%
35911
60%
**20
97%
[Rottweil R 902]*
<<locked>>
81%
30966
51%
**05
92%
[Rottweil R 903]*
<<locked>>
86%
28529
47%
**02
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
49690
83%
**70
100%
SNPE Vectan SP 10
<<locked>>
81%
43845
73%
**17
99%
[SNPE Vectan SP 11]*
<<locked>>
88%
32619
54%
**00
90%
[SNPE Vectan SP 7]*
<<locked>>
85%
37231
62%
**52
90%
[SNPE Vectan SP 9]*
<<locked>>
81%
31546
52%
**38
90%
SNPE Vectan Tubal 3000
<<locked>>
81%
34548
57%
**41
97%
SNPE Vectan Tubal 5000
<<locked>>
81%
27847
46%
**97
95%
[Shooters World Match Rifle]*
<<locked>>
81%
30342
50%
**48
94%
[Shooters World Precision]*
<<locked>>
81%
28993
48%
**72
91%
Shooters World Tactical Rifle
<<locked>>
81%
41930
70%
**18
96%
Somchem S321
<<locked>>
81%
37304
62%
**89
95%
Somchem S335
<<locked>>
81%
33808
56%
**41
97%
[Somchem S341]*
<<locked>>
81%
32489
54%
**54
91%
[Somchem S355]*
<<locked>>
85%
29153
48%
**98
90%
Vihtavuori N120
<<locked>>
81%
45281
75%
**08
100%
Vihtavuori N130
<<locked>>
81%
38435
64%
**26
100%
Vihtavuori N133
<<locked>>
81%
31952
53%
**98
98%
Vihtavuori N135
<<locked>>
81%
24642
41%
**70
95%
Vihtavuori N140
<<locked>>
81%
29776
49%
**88
95%
[Vihtavuori N150]*
<<locked>>
87%
26049
43%
**90
90%
Vihtavuori N530
<<locked>>
81%
36463
61%
**56
95%
Vihtavuori N540
<<locked>>
81%
29544
49%
**05
95%
[Winchester 6.5 StaBALL]*
<<locked>>
92%
32430
54%
**31
90%
Winchester 748
<<locked>>
81%
35955
60%
**92
95%
[Winchester StaBALL Match]*
<<locked>>
81%
38174
63%
**21
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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