top of page

Load data for 9.3 x 66 Sako (370 Sako Mag) + .366 | 285gr | RWS TMR

Recommended Powder(s): Hodgdon CFE223, Ramshot Big Game, ReloadSwiss RS 52, ReloadSwiss RS 60, SNPE Vectan SP 11

9.3 x 66 Sako (370 Sako Mag) + .366 | 285gr | RWS TMR

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.366 | 285gr | RWS TMR
Manufacturer SKU:
2145774
Bullet Weight:
285gr | 18.5g
Bullet Diameter:
0.366" | 9.30mm
Bullet Length:
1.180" | 30.0mm
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:
0.480" | 12.2mm
Shank Seated Depth:
0.480" | 12.2mm
Case Capacity:
81.0 Grains of Water | 5.26 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
60191 psi | 4150 bar
LID:
LID_B5487_C1263
Last updated:
2025-01-01

Load data for 188 loads in caliber 9.3 x 66 Sako (370 Sako Mag) with .366 | 285gr | RWS TMR bullet and 94 powders such as Hodgdon CFE223, Ramshot Big Game, ReloadSwiss RS 52, ReloadSwiss RS 60, 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".

  • No data yet

  • 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>>
90%
53548
89%
**08
100%
ADI AR 2208
<<locked>>
95%
53476
89%
**92
99%
Accurate 2015
<<locked>>
86%
54114
90%
**20
100%
Accurate 2200
<<locked>>
88%
54027
90%
**82
99%
Accurate 2230
<<locked>>
84%
53171
88%
**62
100%
Accurate 2460
<<locked>>
84%
53766
89%
**72
100%
Accurate 2495
<<locked>>
89%
53417
89%
**79
100%
Accurate 2520
<<locked>>
88%
53447
89%
**05
100%
Accurate 2700
<<locked>>
96%
53911
90%
**43
96%
Accurate 4064
<<locked>>
95%
53548
89%
**05
100%
Accurate 4350
<<locked>>
97%
41814
69%
**10
97%
Alliant AR-Comp
<<locked>>
88%
53911
90%
**65
100%
Alliant Reloder- TS 15.5
<<locked>>
96%
54128
90%
**28
100%
Alliant Reloder-10x
<<locked>>
83%
53519
89%
**20
100%
Alliant Reloder-15
<<locked>>
93%
53447
89%
**28
100%
Alliant Reloder-16
<<locked>>
97%
42569
71%
**20
98%
Alliant Reloder-17
<<locked>>
97%
48878
81%
**51
100%
[Alliant Reloder-23]*
<<locked>>
97%
29863
50%
**87
94%
[Alliant Reloder-26]*
<<locked>>
97%
32663
54%
**88
92%
Baschieri & Pellagri 107
<<locked>>
90%
54056
90%
**38
99%
Hodgdon BL-C2
<<locked>>
89%
53635
89%
**31
100%
Hodgdon Benchmark
<<locked>>
87%
53447
89%
**36
100%
Hodgdon CFE223 👍
<<locked>>
94%
53751
89%
**74
99%
Hodgdon H322
<<locked>>
87%
54114
90%
**72
100%
Hodgdon H380
<<locked>>
95%
53722
89%
**28
99%
Hodgdon H414
<<locked>>
97%
50386
84%
**31
96%
[Hodgdon H4350]*
<<locked>>
97%
40988
68%
**21
93%
Hodgdon Hybrid 100V
<<locked>>
97%
38769
64%
**21
98%
Hodgdon LVR
<<locked>>
97%
46630
77%
**62
98%
[Hodgdon Superperformance]*
<<locked>>
97%
46673
78%
**82
94%
Hodgdon VARGET
<<locked>>
96%
53476
89%
**92
99%
IMR 3031
<<locked>>
93%
53737
89%
**11
100%
IMR 4064
<<locked>>
96%
53345
89%
**82
100%
IMR 4166 Enduron
<<locked>>
96%
53838
89%
**65
97%
IMR 4198
<<locked>>
83%
53896
90%
**80
100%
[IMR 4350]*
<<locked>>
97%
43671
73%
**67
94%
IMR 4451 Enduron
<<locked>>
97%
51996
86%
**69
96%
IMR 4831
<<locked>>
97%
36274
60%
**92
96%
IMR 4895
<<locked>>
93%
53969
90%
**44
100%
IMR 8208 XBR
<<locked>>
88%
53751
89%
**82
100%
Lovex D073.5
<<locked>>
85%
54012
90%
**72
100%
Lovex D073.6
<<locked>>
90%
53447
89%
**05
100%
Lovex S060
<<locked>>
90%
54012
90%
**52
100%
Lovex S062
<<locked>>
94%
53795
89%
**92
100%
Lovex S065
<<locked>>
97%
47427
79%
**13
97%
Lovex S070
<<locked>>
97%
45426
75%
**00
95%
Norma 201
<<locked>>
91%
53287
89%
**75
100%
Norma 202
<<locked>>
91%
53882
90%
**82
100%
Norma 203B
<<locked>>
94%
53229
88%
**28
100%
[Norma 204]*
<<locked>>
97%
43685
73%
**90
92%
Norma URP
<<locked>>
97%
42902
71%
**20
97%
Ramshot Big Game 👍
<<locked>>
93%
53229
88%
**48
100%
Ramshot Hunter
<<locked>>
97%
41800
69%
**00
95%
Ramshot TAC
<<locked>>
88%
54012
90%
**92
98%
Ramshot Wild Boar
<<locked>>
89%
53911
90%
**25
100%
Ramshot X-Terminator
<<locked>>
86%
53809
89%
**72
100%
ReloadSwiss RS 40
<<locked>>
84%
53635
89%
**65
100%
ReloadSwiss RS 50
<<locked>>
94%
53287
89%
**98
97%
ReloadSwiss RS 52 👍
<<locked>>
94%
53447
89%
**57
100%
ReloadSwiss RS 60 👍
<<locked>>
97%
47398
79%
**48
100%
ReloadSwiss RS 62
<<locked>>
97%
42206
70%
**33
97%
ReloadSwiss RS 70
<<locked>>
97%
42960
71%
**39
96%
Rottweil R 901
<<locked>>
88%
53476
89%
**49
100%
Rottweil R 902
<<locked>>
93%
54041
90%
**79
100%
Rottweil R 903
<<locked>>
97%
52127
87%
**11
100%
Rottweil R 907
<<locked>>
97%
50038
83%
**36
95%
SNPE Vectan SP 11 👍
<<locked>>
97%
53447
89%
**61
100%
SNPE Vectan SP 7
<<locked>>
89%
53577
89%
**95
99%
SNPE Vectan SP 9
<<locked>>
91%
53896
90%
**11
100%
SNPE Vectan Tubal 3000
<<locked>>
89%
53476
89%
**00
100%
SNPE Vectan Tubal 5000
<<locked>>
95%
53417
89%
**03
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
47369
79%
**74
96%
Shooters World Long Rifle
<<locked>>
97%
47427
79%
**13
97%
Shooters World Match Rifle
<<locked>>
90%
53447
89%
**05
100%
Shooters World Precision
<<locked>>
94%
53795
89%
**92
100%
Somchem S321
<<locked>>
86%
54012
90%
**05
100%
Somchem S335
<<locked>>
90%
53708
89%
**20
100%
Somchem S341
<<locked>>
90%
53780
89%
**95
100%
Somchem S355
<<locked>>
97%
52141
87%
**98
100%
Somchem S365
<<locked>>
97%
37884
63%
**70
99%
Vihtavuori N130
<<locked>>
86%
54099
90%
**83
100%
Vihtavuori N133
<<locked>>
92%
53577
89%
**97
100%
Vihtavuori N135
<<locked>>
97%
50009
83%
**13
100%
Vihtavuori N140
<<locked>>
93%
53548
89%
**56
100%
Vihtavuori N150
<<locked>>
97%
44367
74%
**64
100%
Vihtavuori N160
<<locked>>
97%
47137
78%
**49
98%
Vihtavuori N530
<<locked>>
86%
53519
89%
**85
100%
Vihtavuori N540
<<locked>>
93%
54056
90%
**92
100%
Vihtavuori N550
<<locked>>
97%
47224
78%
**88
98%
Vihtavuori N555
<<locked>>
97%
31560
52%
**52
95%
Winchester 6.5 StaBALL
<<locked>>
97%
45730
76%
**06
99%
Winchester 748
<<locked>>
86%
54099
90%
**31
100%
Winchester 760
<<locked>>
97%
50386
84%
**31
96%
Winchester StaBALL Match
<<locked>>
84%
54128
90%
**31
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
40596
67%
**11
98%
ADI AR 2208
<<locked>>
81%
34708
58%
**87
96%
Accurate 2015
<<locked>>
81%
46311
77%
**21
100%
Accurate 2200
<<locked>>
81%
42844
71%
**15
97%
Accurate 2230
<<locked>>
81%
48385
80%
**00
100%
Accurate 2460
<<locked>>
81%
48312
80%
**00
100%
Accurate 2495
<<locked>>
81%
40988
68%
**11
100%
Accurate 2520
<<locked>>
81%
41626
69%
**38
100%
[Accurate 2700]*
<<locked>>
83%
35128
58%
**44
90%
Accurate 4064
<<locked>>
81%
34490
57%
**16
100%
[Accurate 4350]*
<<locked>>
81%
24961
41%
**49
90%
Alliant AR-Comp
<<locked>>
81%
41785
69%
**11
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
33721
56%
**06
97%
Alliant Reloder-10x
<<locked>>
81%
50154
83%
**77
100%
Alliant Reloder-15
<<locked>>
81%
36434
61%
**56
97%
[Alliant Reloder-16]*
<<locked>>
81%
26701
44%
**59
90%
[Alliant Reloder-17]*
<<locked>>
81%
29037
48%
**57
94%
[Alliant Reloder-23]*
<<locked>>
90%
24381
41%
**26
90%
[Alliant Reloder-26]*
<<locked>>
94%
29834
50%
**16
90%
Baschieri & Pellagri 107
<<locked>>
81%
39233
65%
**08
97%
Hodgdon BL-C2
<<locked>>
81%
41249
69%
**54
99%
Hodgdon Benchmark
<<locked>>
81%
44817
74%
**18
100%
Hodgdon CFE223
<<locked>>
81%
34519
57%
**49
95%
Hodgdon H322
<<locked>>
81%
45498
76%
**57
100%
[Hodgdon H380]*
<<locked>>
81%
33968
56%
**03
94%
[Hodgdon H414]*
<<locked>>
84%
32764
54%
**13
90%
[Hodgdon H4350]*
<<locked>>
91%
34954
58%
**03
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
24062
40%
**80
91%
[Hodgdon LVR]*
<<locked>>
81%
28427
47%
**98
91%
[Hodgdon Superperformance]*
<<locked>>
89%
35969
60%
**85
90%
Hodgdon VARGET
<<locked>>
81%
34229
57%
**80
96%
IMR 3031
<<locked>>
81%
36796
61%
**69
100%
IMR 4064
<<locked>>
81%
33823
56%
**64
96%
[IMR 4166 Enduron]*
<<locked>>
81%
34156
57%
**31
91%
IMR 4198
<<locked>>
81%
50589
84%
**41
100%
[IMR 4350]*
<<locked>>
89%
34461
57%
**93
90%
[IMR 4451 Enduron]*
<<locked>>
81%
32503
54%
**31
90%
[IMR 4831]*
<<locked>>
85%
25034
42%
**29
90%
IMR 4895
<<locked>>
81%
37202
62%
**82
97%
IMR 8208 XBR
<<locked>>
81%
42670
71%
**21
99%
Lovex D073.5
<<locked>>
81%
47892
80%
**97
100%
Lovex D073.6
<<locked>>
81%
38870
65%
**95
100%
Lovex S060
<<locked>>
81%
41104
68%
**62
98%
Lovex S062
<<locked>>
81%
35824
60%
**16
98%
[Lovex S065]*
<<locked>>
81%
29515
49%
**75
91%
[Lovex S070]*
<<locked>>
85%
31357
52%
**37
90%
Norma 201
<<locked>>
81%
39900
66%
**75
99%
Norma 202
<<locked>>
81%
39856
66%
**88
100%
Norma 203B
<<locked>>
81%
35679
59%
**42
97%
[Norma 204]*
<<locked>>
93%
39204
65%
**08
90%
[Norma URP]*
<<locked>>
81%
26078
43%
**55
90%
Ramshot Big Game
<<locked>>
81%
35099
58%
**56
97%
[Ramshot Hunter]*
<<locked>>
87%
31082
52%
**73
90%
Ramshot TAC
<<locked>>
81%
42453
71%
**21
96%
Ramshot Wild Boar
<<locked>>
81%
41785
69%
**41
98%
Ramshot X-Terminator
<<locked>>
81%
46383
77%
**67
99%
ReloadSwiss RS 40
<<locked>>
81%
48254
80%
**00
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
34853
58%
**90
92%
ReloadSwiss RS 52
<<locked>>
81%
34055
57%
**52
98%
ReloadSwiss RS 60
<<locked>>
81%
28456
47%
**47
95%
[ReloadSwiss RS 62]*
<<locked>>
83%
26658
44%
**95
90%
[ReloadSwiss RS 70]*
<<locked>>
86%
30095
50%
**60
90%
Rottweil R 901
<<locked>>
81%
43845
73%
**18
100%
Rottweil R 902
<<locked>>
81%
37840
63%
**33
99%
Rottweil R 903
<<locked>>
81%
31082
52%
**57
96%
[Rottweil R 907]*
<<locked>>
84%
34156
57%
**64
90%
SNPE Vectan SP 11
<<locked>>
81%
32242
54%
**00
96%
SNPE Vectan SP 7
<<locked>>
81%
40495
67%
**95
96%
SNPE Vectan SP 9
<<locked>>
81%
39030
65%
**85
98%
SNPE Vectan Tubal 3000
<<locked>>
81%
41524
69%
**42
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
34011
57%
**28
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
84%
31488
52%
**01
90%
[Shooters World Long Rifle]*
<<locked>>
81%
29515
49%
**75
91%
Shooters World Match Rifle
<<locked>>
81%
38870
65%
**95
100%
Shooters World Precision
<<locked>>
81%
35824
60%
**16
98%
Somchem S321
<<locked>>
81%
45745
76%
**90
100%
Somchem S335
<<locked>>
81%
40930
68%
**46
100%
Somchem S341
<<locked>>
81%
40074
67%
**95
98%
Somchem S355
<<locked>>
81%
32169
53%
**64
96%
[Somchem S365]*
<<locked>>
81%
23119
38%
**03
92%
Vihtavuori N130
<<locked>>
81%
46412
77%
**88
100%
Vihtavuori N133
<<locked>>
81%
38856
65%
**96
100%
Vihtavuori N135
<<locked>>
81%
31169
52%
**18
100%
Vihtavuori N140
<<locked>>
81%
37333
62%
**29
100%
Vihtavuori N150
<<locked>>
81%
27456
46%
**46
96%
[Vihtavuori N160]*
<<locked>>
81%
28253
47%
**82
91%
Vihtavuori N530
<<locked>>
81%
44947
75%
**67
100%
Vihtavuori N540
<<locked>>
81%
36840
61%
**42
100%
[Vihtavuori N550]*
<<locked>>
81%
28181
47%
**14
92%
[Vihtavuori N555]*
<<locked>>
89%
24700
41%
**69
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
27398
46%
**42
94%
Winchester 748
<<locked>>
81%
44875
75%
**10
100%
[Winchester 760]*
<<locked>>
84%
32764
54%
**13
90%
Winchester StaBALL Match
<<locked>>
81%
47848
79%
**46
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

bottom of page