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Load data for 9.3 x 66 Sako (370 Sako Mag) + .366 | 300gr | Hornady DGS

Recommended Powder(s): Alliant Reloder-17, Hodgdon CFE223, Ramshot Big Game, ReloadSwiss RS 52, SNPE Vectan SP 11

9.3 x 66 Sako (370 Sako Mag) + .366 | 300gr | Hornady DGS

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.366 | 300gr | Hornady DGS
Manufacturer SKU:
3565
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.366" | 9.30mm
Bullet Length:
1.310" | 33.3mm
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:
0.610" | 15.5mm
Shank Seated Depth:
0.610" | 15.5mm
Case Capacity:
81.0 Grains of Water | 5.26 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
60191 psi | 4150 bar
LID:
LID_B2803_C1263
Last updated:
2025-01-01

Load data for 190 loads in caliber 9.3 x 66 Sako (370 Sako Mag) with .366 | 300gr | Hornady DGS bullet and 95 powders such as Alliant Reloder-17, 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".

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  • 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%
54172
90%
**29
100%
ADI AR 2208
<<locked>>
96%
53969
90%
**16
100%
Accurate 2015
<<locked>>
86%
53432
89%
**28
100%
Accurate 2200
<<locked>>
88%
53330
89%
**87
99%
Accurate 2230
<<locked>>
84%
53722
89%
**83
100%
Accurate 2460
<<locked>>
84%
53606
89%
**83
100%
Accurate 2495
<<locked>>
90%
53896
90%
**97
100%
Accurate 2520
<<locked>>
89%
53911
90%
**23
100%
Accurate 2700
<<locked>>
96%
53722
89%
**60
96%
Accurate 4064
<<locked>>
95%
53505
89%
**20
100%
Accurate 4350
<<locked>>
97%
41510
69%
**31
98%
Alliant AR-Comp
<<locked>>
89%
54041
90%
**83
100%
Alliant Reloder- TS 15.5
<<locked>>
96%
53534
89%
**39
100%
Alliant Reloder-10x
<<locked>>
84%
54085
90%
**41
100%
Alliant Reloder-15
<<locked>>
94%
53606
89%
**49
100%
Alliant Reloder-16
<<locked>>
97%
42293
70%
**38
98%
Alliant Reloder-17 👍
<<locked>>
97%
48399
80%
**62
100%
Alliant Reloder-23
<<locked>>
97%
30095
50%
**21
95%
[Alliant Reloder-26]*
<<locked>>
97%
32256
54%
**10
92%
Baschieri & Pellagri 107
<<locked>>
91%
53650
89%
**49
99%
Hodgdon BL-C2
<<locked>>
89%
54027
90%
**56
100%
Hodgdon Benchmark
<<locked>>
87%
53925
90%
**57
100%
Hodgdon CFE223 👍
<<locked>>
94%
53969
90%
**92
99%
Hodgdon H322
<<locked>>
87%
53983
90%
**87
100%
Hodgdon H380
<<locked>>
95%
53708
89%
**43
99%
Hodgdon H414
<<locked>>
97%
49777
83%
**43
97%
[Hodgdon H4350]*
<<locked>>
97%
41234
69%
**49
93%
Hodgdon Hybrid 100V
<<locked>>
97%
38943
65%
**52
98%
Hodgdon LVR
<<locked>>
97%
46180
77%
**80
98%
Hodgdon Superperformance
<<locked>>
97%
46325
77%
**97
95%
Hodgdon VARGET
<<locked>>
96%
53548
89%
**13
100%
IMR 3031
<<locked>>
93%
53287
89%
**20
100%
IMR 4064
<<locked>>
97%
54085
90%
**13
100%
IMR 4166 Enduron
<<locked>>
97%
53896
90%
**80
97%
IMR 4198
<<locked>>
83%
53824
89%
**95
100%
[IMR 4350]*
<<locked>>
97%
43236
72%
**78
94%
IMR 4451 Enduron
<<locked>>
97%
51459
85%
**80
97%
IMR 4831
<<locked>>
97%
35795
59%
**10
96%
IMR 4895
<<locked>>
93%
54041
90%
**59
100%
IMR 8208 XBR
<<locked>>
88%
53505
89%
**93
100%
Lovex D073.4
<<locked>>
83%
53940
90%
**80
100%
Lovex D073.5
<<locked>>
85%
54099
90%
**93
100%
Lovex D073.6
<<locked>>
91%
53911
90%
**23
100%
Lovex S060
<<locked>>
90%
53708
89%
**64
100%
Lovex S062
<<locked>>
94%
53563
89%
**10
100%
Lovex S065
<<locked>>
97%
47558
79%
**38
97%
Lovex S070
<<locked>>
97%
44672
74%
**08
95%
Norma 201
<<locked>>
91%
54012
90%
**00
100%
Norma 202
<<locked>>
91%
53969
90%
**00
100%
Norma 203B
<<locked>>
94%
53432
89%
**46
100%
[Norma 204]*
<<locked>>
97%
43091
72%
**05
92%
Norma URP
<<locked>>
97%
42003
70%
**28
97%
Ramshot Big Game 👍
<<locked>>
94%
53737
89%
**69
100%
Ramshot Hunter
<<locked>>
97%
41379
69%
**15
95%
Ramshot TAC
<<locked>>
88%
53403
89%
**06
98%
Ramshot Wild Boar
<<locked>>
89%
53592
89%
**33
100%
Ramshot X-Terminator
<<locked>>
86%
53766
89%
**90
100%
ReloadSwiss RS 40
<<locked>>
85%
53388
89%
**83
100%
ReloadSwiss RS 50
<<locked>>
95%
54070
90%
**20
98%
ReloadSwiss RS 52 👍
<<locked>>
95%
53432
89%
**72
100%
ReloadSwiss RS 60
<<locked>>
97%
46934
78%
**56
100%
ReloadSwiss RS 62
<<locked>>
97%
41756
69%
**54
97%
ReloadSwiss RS 70
<<locked>>
97%
42351
70%
**54
96%
Rottweil R 901
<<locked>>
88%
53780
89%
**70
100%
Rottweil R 902
<<locked>>
93%
53722
89%
**90
100%
Rottweil R 903
<<locked>>
97%
50995
85%
**13
100%
Rottweil R 907
<<locked>>
97%
49792
83%
**54
96%
SNPE Vectan SP 11 👍
<<locked>>
97%
52707
88%
**65
100%
SNPE Vectan SP 7
<<locked>>
90%
53882
90%
**16
99%
SNPE Vectan SP 9
<<locked>>
91%
53534
89%
**23
100%
SNPE Vectan Tubal 3000
<<locked>>
89%
53461
89%
**18
100%
SNPE Vectan Tubal 5000
<<locked>>
96%
53621
89%
**24
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
47355
79%
**92
96%
Shooters World Long Rifle
<<locked>>
97%
47558
79%
**38
97%
Shooters World Match Rifle
<<locked>>
91%
53911
90%
**23
100%
Shooters World Precision
<<locked>>
94%
53563
89%
**10
100%
Somchem S321
<<locked>>
86%
54099
90%
**23
100%
Somchem S335
<<locked>>
90%
53447
89%
**31
100%
Somchem S341
<<locked>>
90%
54114
90%
**16
100%
Somchem S355
<<locked>>
97%
52272
87%
**20
100%
Somchem S365
<<locked>>
97%
37449
62%
**88
99%
Vihtavuori N130
<<locked>>
86%
54027
90%
**01
100%
Vihtavuori N133
<<locked>>
92%
54143
90%
**18
100%
Vihtavuori N135
<<locked>>
97%
50299
84%
**34
100%
Vihtavuori N140
<<locked>>
93%
53838
89%
**77
100%
Vihtavuori N150
<<locked>>
97%
44309
74%
**85
100%
Vihtavuori N160
<<locked>>
97%
46528
77%
**54
98%
Vihtavuori N530
<<locked>>
87%
53374
89%
**03
100%
Vihtavuori N540
<<locked>>
93%
53882
90%
**06
100%
Vihtavuori N550
<<locked>>
97%
46412
77%
**93
98%
Vihtavuori N555
<<locked>>
97%
31227
52%
**73
95%
Winchester 6.5 StaBALL
<<locked>>
97%
45223
75%
**18
99%
Winchester 748
<<locked>>
86%
53534
89%
**39
100%
Winchester 760
<<locked>>
97%
49777
83%
**43
97%
Winchester StaBALL Match
<<locked>>
85%
54012
90%
**43
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
40538
67%
**36
98%
ADI AR 2208
<<locked>>
81%
34272
57%
**08
96%
Accurate 2015
<<locked>>
81%
46006
76%
**36
100%
Accurate 2200
<<locked>>
81%
42540
71%
**36
97%
Accurate 2230
<<locked>>
81%
47645
79%
**08
100%
Accurate 2460
<<locked>>
81%
47935
80%
**15
100%
Accurate 2495
<<locked>>
81%
40712
68%
**29
100%
Accurate 2520
<<locked>>
81%
41307
69%
**56
100%
[Accurate 2700]*
<<locked>>
82%
34287
57%
**59
90%
Accurate 4064
<<locked>>
81%
34403
57%
**44
100%
[Accurate 4350]*
<<locked>>
81%
24555
41%
**77
90%
Alliant AR-Comp
<<locked>>
81%
41539
69%
**33
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
33330
55%
**24
97%
Alliant Reloder-10x
<<locked>>
81%
49719
83%
**88
100%
Alliant Reloder-15
<<locked>>
81%
36245
60%
**80
97%
[Alliant Reloder-16]*
<<locked>>
81%
26382
44%
**86
90%
Alliant Reloder-17
<<locked>>
81%
28921
48%
**88
95%
[Alliant Reloder-23]*
<<locked>>
88%
23525
39%
**41
90%
[Alliant Reloder-26]*
<<locked>>
93%
28906
48%
**24
90%
Baschieri & Pellagri 107
<<locked>>
81%
39073
65%
**29
97%
Hodgdon BL-C2
<<locked>>
81%
41017
68%
**72
99%
Hodgdon Benchmark
<<locked>>
81%
44788
74%
**39
100%
Hodgdon CFE223
<<locked>>
81%
34345
57%
**77
95%
Hodgdon H322
<<locked>>
81%
44773
74%
**72
100%
[Hodgdon H380]*
<<locked>>
81%
33736
56%
**24
94%
[Hodgdon H414]*
<<locked>>
83%
31850
53%
**21
90%
[Hodgdon H4350]*
<<locked>>
91%
34127
57%
**14
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
23859
40%
**11
92%
[Hodgdon LVR]*
<<locked>>
81%
28282
47%
**32
91%
[Hodgdon Superperformance]*
<<locked>>
89%
34780
58%
**87
90%
Hodgdon VARGET
<<locked>>
81%
34069
57%
**01
96%
IMR 3031
<<locked>>
81%
36332
60%
**87
100%
IMR 4064
<<locked>>
81%
33750
56%
**91
96%
[IMR 4166 Enduron]*
<<locked>>
81%
33953
56%
**55
91%
IMR 4198
<<locked>>
81%
50314
84%
**56
100%
[IMR 4350]*
<<locked>>
88%
33562
56%
**01
90%
[IMR 4451 Enduron]*
<<locked>>
81%
31952
53%
**49
90%
[IMR 4831]*
<<locked>>
84%
24671
41%
**50
90%
IMR 4895
<<locked>>
81%
37130
62%
**06
98%
IMR 8208 XBR
<<locked>>
81%
42612
71%
**46
99%
Lovex D073.4
<<locked>>
81%
49937
83%
**31
100%
Lovex D073.5
<<locked>>
81%
47485
79%
**08
100%
Lovex D073.6
<<locked>>
81%
38667
64%
**16
100%
Lovex S060
<<locked>>
81%
40988
68%
**83
98%
Lovex S062
<<locked>>
81%
35694
59%
**44
98%
[Lovex S065]*
<<locked>>
81%
29341
49%
**06
91%
[Lovex S070]*
<<locked>>
85%
30748
51%
**55
90%
Norma 201
<<locked>>
81%
39668
66%
**96
99%
Norma 202
<<locked>>
81%
39595
66%
**06
100%
Norma 203B
<<locked>>
81%
35636
59%
**70
97%
[Norma 204]*
<<locked>>
93%
38653
64%
**23
90%
[Norma URP]*
<<locked>>
81%
25817
43%
**86
91%
Ramshot Big Game
<<locked>>
81%
34882
58%
**73
97%
[Ramshot Hunter]*
<<locked>>
87%
30356
50%
**88
90%
Ramshot TAC
<<locked>>
81%
42163
70%
**42
96%
Ramshot Wild Boar
<<locked>>
81%
41408
69%
**62
98%
Ramshot X-Terminator
<<locked>>
81%
46006
76%
**85
99%
ReloadSwiss RS 40
<<locked>>
81%
47964
80%
**15
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
34592
57%
**11
92%
ReloadSwiss RS 52
<<locked>>
81%
33895
56%
**77
98%
ReloadSwiss RS 60
<<locked>>
81%
28224
47%
**75
95%
[ReloadSwiss RS 62]*
<<locked>>
83%
26252
44%
**23
90%
[ReloadSwiss RS 70]*
<<locked>>
85%
29501
49%
**78
90%
Rottweil R 901
<<locked>>
81%
43511
72%
**29
100%
Rottweil R 902
<<locked>>
81%
37652
63%
**54
99%
Rottweil R 903
<<locked>>
81%
30864
51%
**82
96%
[Rottweil R 907]*
<<locked>>
84%
33634
56%
**82
90%
SNPE Vectan SP 11
<<locked>>
81%
31995
53%
**21
96%
SNPE Vectan SP 7
<<locked>>
81%
40132
67%
**16
96%
SNPE Vectan SP 9
<<locked>>
81%
38870
65%
**10
98%
SNPE Vectan Tubal 3000
<<locked>>
81%
41423
69%
**64
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
34055
57%
**55
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
84%
30356
50%
**13
90%
[Shooters World Long Rifle]*
<<locked>>
81%
29341
49%
**06
91%
Shooters World Match Rifle
<<locked>>
81%
38667
64%
**16
100%
Shooters World Precision
<<locked>>
81%
35694
59%
**44
98%
Somchem S321
<<locked>>
81%
45382
75%
**05
100%
Somchem S335
<<locked>>
81%
40857
68%
**67
100%
Somchem S341
<<locked>>
81%
39755
66%
**16
98%
Somchem S355
<<locked>>
81%
31966
53%
**91
97%
[Somchem S365]*
<<locked>>
81%
23163
38%
**41
93%
Vihtavuori N130
<<locked>>
81%
45948
76%
**06
100%
Vihtavuori N133
<<locked>>
81%
38783
64%
**21
100%
Vihtavuori N135
<<locked>>
81%
31009
52%
**46
100%
Vihtavuori N140
<<locked>>
81%
36782
61%
**44
100%
Vihtavuori N150
<<locked>>
81%
27282
45%
**77
96%
[Vihtavuori N160]*
<<locked>>
81%
28065
47%
**09
92%
Vihtavuori N530
<<locked>>
81%
44527
74%
**85
100%
Vihtavuori N540
<<locked>>
81%
36521
61%
**64
100%
[Vihtavuori N550]*
<<locked>>
81%
27978
46%
**46
92%
[Vihtavuori N555]*
<<locked>>
88%
23844
40%
**83
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
27195
45%
**70
94%
Winchester 748
<<locked>>
81%
44657
74%
**24
100%
[Winchester 760]*
<<locked>>
83%
31850
53%
**21
90%
Winchester StaBALL Match
<<locked>>
81%
47500
79%
**57
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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