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Load data for 9.3 x 66 Sako (370 Sako Mag) + .366 | 300gr | Rhino Solid Shank

Recommended Powder(s):

9.3 x 66 Sako (370 Sako Mag) + .366 | 300gr | Rhino Solid Shank

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.366 | 300gr | Rhino Solid Shank
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.366" | 9.30mm
Bullet Length:
1.376" | 35.0mm
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:
0.676" | 17.2mm
Shank Seated Depth:
0.676" | 17.2mm
Case Capacity:
81.0 Grains of Water | 5.26 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
60191 psi | 4150 bar
LID:
LID_B5254_C1263
Last updated:
2025-01-01

Load data for 188 loads in caliber 9.3 x 66 Sako (370 Sako Mag) with .366 | 300gr | Rhino Solid Shank bullet and 94 powder(s). 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. 20.5 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%
53809
89%
**16
100%
ADI AR 2208
<<locked>>
96%
53519
89%
**97
99%
Accurate 2015
<<locked>>
87%
52997
88%
**11
100%
Accurate 2200
<<locked>>
89%
53650
89%
**77
99%
Accurate 2230
<<locked>>
85%
53447
89%
**70
100%
Accurate 2460
<<locked>>
85%
53098
88%
**70
100%
Accurate 2495
<<locked>>
91%
53954
90%
**93
100%
Accurate 2520
<<locked>>
90%
53679
89%
**10
100%
Accurate 2700
<<locked>>
97%
52924
88%
**34
96%
Accurate 4064
<<locked>>
96%
53330
89%
**06
100%
Accurate 4350
<<locked>>
97%
40364
67%
**95
97%
Alliant AR-Comp
<<locked>>
90%
53969
90%
**70
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
53098
88%
**20
100%
Alliant Reloder-10x
<<locked>>
84%
53824
89%
**28
100%
Alliant Reloder-15
<<locked>>
94%
53388
89%
**33
100%
Alliant Reloder-16
<<locked>>
97%
41263
69%
**05
97%
Alliant Reloder-17
<<locked>>
97%
46789
78%
**29
100%
[Alliant Reloder-23]*
<<locked>>
97%
28935
48%
**78
94%
Baschieri & Pellagri 107
<<locked>>
91%
53592
89%
**33
99%
Hodgdon BL-C2
<<locked>>
90%
53737
89%
**39
100%
Hodgdon Benchmark
<<locked>>
88%
53606
89%
**41
100%
Hodgdon CFE223 👍
<<locked>>
95%
53780
89%
**75
99%
Hodgdon H322
<<locked>>
88%
53896
90%
**74
100%
Hodgdon H380
<<locked>>
96%
54012
90%
**33
99%
Hodgdon H414
<<locked>>
97%
48312
80%
**06
96%
[Hodgdon H4350]*
<<locked>>
97%
39769
66%
**06
92%
Hodgdon Hybrid 100V
<<locked>>
97%
37739
63%
**19
98%
Hodgdon LVR
<<locked>>
97%
45136
75%
**47
97%
[Hodgdon Superperformance]*
<<locked>>
97%
44773
74%
**57
94%
Hodgdon VARGET
<<locked>>
97%
53751
89%
**00
99%
IMR 3031
<<locked>>
95%
54070
90%
**16
100%
IMR 4064
<<locked>>
97%
52649
87%
**77
99%
IMR 4166 Enduron
<<locked>>
96%
52649
87%
**51
97%
IMR 4198
<<locked>>
84%
53969
90%
**85
100%
[IMR 4350]*
<<locked>>
97%
42467
71%
**52
93%
IMR 4451 Enduron
<<locked>>
96%
49980
83%
**41
96%
IMR 4831
<<locked>>
96%
34519
57%
**77
95%
IMR 4895 👍
<<locked>>
94%
53780
89%
**46
100%
IMR 8208 XBR
<<locked>>
89%
53925
90%
**87
100%
Lovex D073.4
<<locked>>
84%
53606
89%
**64
100%
Lovex D073.5
<<locked>>
85%
53606
89%
**74
100%
Lovex D073.6
<<locked>>
92%
53679
89%
**10
100%
Lovex S060
<<locked>>
91%
53911
90%
**54
100%
Lovex S062
<<locked>>
95%
53737
89%
**97
100%
Lovex S065
<<locked>>
97%
45818
76%
**95
97%
Lovex S070
<<locked>>
97%
43410
72%
**78
95%
Norma 201
<<locked>>
92%
53679
89%
**87
100%
Norma 202
<<locked>>
92%
53998
90%
**90
100%
Norma 203B 👍
<<locked>>
95%
54128
90%
**43
100%
Norma URP
<<locked>>
97%
40756
68%
**95
97%
Ramshot Big Game 👍
<<locked>>
95%
53780
89%
**56
100%
Ramshot Hunter
<<locked>>
97%
40640
68%
**88
95%
Ramshot TAC
<<locked>>
89%
54172
90%
**03
98%
Ramshot Wild Boar
<<locked>>
90%
54114
90%
**29
100%
Ramshot X-Terminator
<<locked>>
87%
53534
89%
**70
100%
ReloadSwiss RS 40
<<locked>>
86%
53911
90%
**80
100%
ReloadSwiss RS 50
<<locked>>
95%
53069
88%
**97
97%
ReloadSwiss RS 52 👍
<<locked>>
96%
54085
90%
**69
100%
ReloadSwiss RS 60
<<locked>>
97%
45571
76%
**20
100%
ReloadSwiss RS 62
<<locked>>
97%
40379
67%
**15
97%
ReloadSwiss RS 70
<<locked>>
97%
41945
70%
**34
96%
Rottweil R 901
<<locked>>
89%
53519
89%
**54
100%
Rottweil R 902
<<locked>>
94%
53867
89%
**77
100%
Rottweil R 903
<<locked>>
97%
49443
82%
**77
100%
Rottweil R 907
<<locked>>
97%
47848
79%
**11
95%
SNPE Vectan SP 11
<<locked>>
97%
51866
86%
**39
100%
SNPE Vectan SP 7
<<locked>>
90%
53679
89%
**00
99%
SNPE Vectan SP 9
<<locked>>
92%
53316
89%
**06
100%
SNPE Vectan Tubal 3000
<<locked>>
90%
54027
90%
**15
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
53417
89%
**15
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
45963
76%
**62
95%
Shooters World Long Rifle
<<locked>>
97%
45818
76%
**95
97%
Shooters World Match Rifle
<<locked>>
92%
53679
89%
**10
100%
Shooters World Precision
<<locked>>
95%
53737
89%
**97
100%
Shooters World Tactical Rifle
<<locked>>
84%
53621
89%
**51
100%
Somchem S321
<<locked>>
87%
53853
89%
**03
100%
Somchem S335
<<locked>>
91%
53940
90%
**28
100%
Somchem S341
<<locked>>
91%
54056
90%
**03
100%
Somchem S355
<<locked>>
97%
50285
84%
**80
100%
Somchem S365
<<locked>>
97%
36535
61%
**59
99%
Vihtavuori N130
<<locked>>
87%
53867
90%
**88
100%
Vihtavuori N133
<<locked>>
93%
54143
90%
**05
100%
Vihtavuori N135
<<locked>>
97%
48805
81%
**08
100%
Vihtavuori N140
<<locked>>
94%
53954
90%
**67
100%
Vihtavuori N150
<<locked>>
97%
42946
71%
**56
100%
Vihtavuori N160
<<locked>>
97%
44759
74%
**21
98%
Vihtavuori N530
<<locked>>
87%
53505
89%
**93
100%
Vihtavuori N540
<<locked>>
94%
53722
89%
**93
100%
Vihtavuori N550
<<locked>>
97%
45150
75%
**64
98%
[Vihtavuori N555]*
<<locked>>
97%
30168
50%
**41
94%
Winchester 6.5 StaBALL
<<locked>>
97%
43961
73%
**85
99%
Winchester 748
<<locked>>
87%
53882
90%
**33
100%
Winchester 760
<<locked>>
97%
48312
80%
**06
96%
Winchester StaBALL Match
<<locked>>
85%
53476
89%
**23
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
39247
65%
**03
98%
ADI AR 2208
<<locked>>
81%
33518
56%
**82
95%
Accurate 2015
<<locked>>
81%
44933
75%
**16
100%
Accurate 2200
<<locked>>
81%
41553
69%
**06
97%
Accurate 2230
<<locked>>
81%
46499
77%
**82
100%
Accurate 2460
<<locked>>
81%
46731
78%
**88
100%
Accurate 2495
<<locked>>
81%
39146
65%
**00
100%
Accurate 2520
<<locked>>
81%
40059
67%
**26
100%
[Accurate 2700]*
<<locked>>
83%
34766
58%
**55
90%
Accurate 4064
<<locked>>
81%
33083
55%
**08
100%
[Accurate 4350]*
<<locked>>
83%
24932
41%
**77
90%
Alliant AR-Comp
<<locked>>
81%
40408
67%
**06
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
32387
54%
**98
97%
Alliant Reloder-10x
<<locked>>
81%
48544
81%
**65
100%
Alliant Reloder-15
<<locked>>
81%
34998
58%
**44
96%
[Alliant Reloder-16]*
<<locked>>
82%
26600
44%
**83
90%
[Alliant Reloder-17]*
<<locked>>
81%
28224
47%
**59
94%
[Alliant Reloder-23]*
<<locked>>
90%
24047
40%
**41
90%
Baschieri & Pellagri 107
<<locked>>
81%
37942
63%
**00
96%
Hodgdon BL-C2
<<locked>>
81%
39958
66%
**49
99%
Hodgdon Benchmark
<<locked>>
81%
43468
72%
**06
100%
Hodgdon CFE223
<<locked>>
81%
33533
56%
**44
95%
Hodgdon H322
<<locked>>
81%
43772
73%
**49
100%
[Hodgdon H380]*
<<locked>>
81%
33098
55%
**98
94%
[Hodgdon H414]*
<<locked>>
85%
32518
54%
**24
90%
[Hodgdon H4350]*
<<locked>>
92%
35099
58%
**21
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
23308
39%
**85
91%
[Hodgdon LVR]*
<<locked>>
81%
27557
46%
**00
90%
[Hodgdon Superperformance]*
<<locked>>
91%
36216
60%
**00
90%
Hodgdon VARGET
<<locked>>
81%
33315
55%
**75
95%
IMR 3031
<<locked>>
81%
35215
59%
**60
100%
IMR 4064
<<locked>>
81%
32909
55%
**62
95%
[IMR 4166 Enduron]*
<<locked>>
81%
33228
55%
**32
91%
IMR 4198
<<locked>>
81%
49617
82%
**36
100%
[IMR 4350]*
<<locked>>
90%
34505
57%
**08
90%
[IMR 4451 Enduron]*
<<locked>>
82%
32750
54%
**49
90%
[IMR 4831]*
<<locked>>
85%
24758
41%
**47
90%
IMR 4895
<<locked>>
81%
35853
60%
**70
97%
IMR 8208 XBR
<<locked>>
81%
41452
69%
**13
99%
Lovex D073.4
<<locked>>
81%
48704
81%
**01
100%
Lovex D073.5
<<locked>>
81%
46267
77%
**82
100%
Lovex D073.6
<<locked>>
81%
37362
62%
**83
100%
Lovex S060
<<locked>>
81%
40205
67%
**57
98%
Lovex S062
<<locked>>
81%
34867
58%
**14
98%
[Lovex S065]*
<<locked>>
81%
28369
47%
**73
90%
[Lovex S070]*
<<locked>>
86%
31575
52%
**62
90%
Norma 201
<<locked>>
81%
38421
64%
**67
99%
Norma 202
<<locked>>
81%
38580
64%
**77
100%
Norma 203B
<<locked>>
81%
34519
57%
**37
97%
[Norma URP]*
<<locked>>
82%
25628
43%
**67
90%
Ramshot Big Game
<<locked>>
81%
33939
56%
**44
96%
[Ramshot Hunter]*
<<locked>>
88%
30603
51%
**82
90%
Ramshot TAC
<<locked>>
81%
41205
68%
**10
96%
Ramshot Wild Boar
<<locked>>
81%
40335
67%
**29
98%
Ramshot X-Terminator
<<locked>>
81%
44962
75%
**56
99%
ReloadSwiss RS 40
<<locked>>
81%
46586
77%
**85
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
33591
56%
**85
92%
ReloadSwiss RS 52
<<locked>>
81%
32793
54%
**44
98%
[ReloadSwiss RS 60]*
<<locked>>
81%
27456
46%
**42
94%
[ReloadSwiss RS 62]*
<<locked>>
84%
26760
44%
**23
90%
[ReloadSwiss RS 70]*
<<locked>>
87%
30284
50%
**85
90%
Rottweil R 901
<<locked>>
81%
42511
71%
**06
100%
Rottweil R 902
<<locked>>
81%
36637
61%
**28
98%
Rottweil R 903
<<locked>>
81%
29849
50%
**55
96%
[Rottweil R 907]*
<<locked>>
85%
33721
56%
**75
90%
SNPE Vectan SP 11
<<locked>>
81%
31169
52%
**91
95%
SNPE Vectan SP 7
<<locked>>
81%
39102
65%
**87
96%
SNPE Vectan SP 9
<<locked>>
81%
37739
63%
**80
98%
SNPE Vectan Tubal 3000
<<locked>>
81%
40248
67%
**34
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
32866
55%
**26
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
85%
31082
52%
**19
90%
[Shooters World Long Rifle]*
<<locked>>
81%
28369
47%
**73
90%
Shooters World Match Rifle
<<locked>>
81%
37362
62%
**83
100%
Shooters World Precision
<<locked>>
81%
34867
58%
**14
98%
Shooters World Tactical Rifle
<<locked>>
81%
49327
82%
**98
100%
Somchem S321
<<locked>>
81%
44266
74%
**78
100%
Somchem S335
<<locked>>
81%
39508
66%
**37
100%
Somchem S341
<<locked>>
81%
38711
64%
**90
98%
Somchem S355
<<locked>>
81%
30864
51%
**59
96%
[Somchem S365]*
<<locked>>
81%
22336
37%
**01
92%
Vihtavuori N130
<<locked>>
81%
44875
75%
**80
100%
Vihtavuori N133
<<locked>>
81%
37724
63%
**98
100%
Vihtavuori N135
<<locked>>
81%
30313
50%
**23
100%
Vihtavuori N140
<<locked>>
81%
35955
60%
**18
100%
Vihtavuori N150
<<locked>>
81%
26513
44%
**47
96%
[Vihtavuori N160]*
<<locked>>
81%
27282
45%
**83
91%
Vihtavuori N530
<<locked>>
81%
43714
73%
**59
100%
Vihtavuori N540
<<locked>>
81%
35462
59%
**34
100%
[Vihtavuori N550]*
<<locked>>
81%
27456
46%
**19
91%
[Vihtavuori N555]*
<<locked>>
90%
24555
41%
**93
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
26571
44%
**44
93%
Winchester 748
<<locked>>
81%
43294
72%
**92
100%
[Winchester 760]*
<<locked>>
85%
32518
54%
**24
90%
Winchester StaBALL Match
<<locked>>
81%
45992
76%
**28
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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