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Load data for 9.3 RSM + .366 | 285gr | Lapua Mega

Recommended Powder(s): Alliant Reloder-15, Hodgdon CFE223, IMR 4895, Ramshot Big Game, ReloadSwiss RS 52

9.3 RSM + .366 | 285gr | Lapua Mega

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.366 | 285gr | Lapua Mega
Manufacturer SKU:
4PL9017 | E433
Bullet Weight:
285gr | 18.5g
Bullet Diameter:
0.366" | 9.30mm
Bullet Length:
1.181" | 30.0mm
Caliber:
9.3 RSM load data
Case Length (l3):
2.090" | 53.1mm
Cartridge Length (C.O.L.):
2.817" | 71.6mm
Seated Depth:
0.454" | 11.5mm
Shank Seated Depth:
0.454" | 11.5mm
Case Capacity:
83.5 Grains of Water | 5.42 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B3229_C1251
Last updated:
2025-01-01

Load data for 196 loads in caliber 9.3 RSM with .366 | 285gr | Lapua Mega bullet and 98 powders such as Alliant Reloder-15, Hodgdon CFE223, IMR 4895, 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".

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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>>
92%
57421
90%
**03
100%
ADI AR 2208
<<locked>>
97%
55956
88%
**74
100%
Accurate 2015
<<locked>>
88%
57377
90%
**02
100%
Accurate 2200
<<locked>>
90%
57174
90%
**67
99%
Accurate 2230
<<locked>>
86%
57232
90%
**61
100%
Accurate 2460
<<locked>>
86%
57334
90%
**57
100%
Accurate 2495
<<locked>>
91%
56521
89%
**61
100%
Accurate 2520
<<locked>>
90%
57116
90%
**87
100%
Accurate 2700
<<locked>>
97%
55434
87%
**08
96%
Accurate 4064
<<locked>>
97%
57145
90%
**90
100%
Accurate 4350
<<locked>>
97%
43018
67%
**75
98%
Alliant AR-Comp
<<locked>>
90%
57058
89%
**48
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
55680
87%
**00
100%
Alliant Reloder-10x
<<locked>>
85%
56913
89%
**02
100%
Alliant Reloder-15 👍
<<locked>>
95%
57392
90%
**26
100%
Alliant Reloder-16
<<locked>>
97%
43250
68%
**82
98%
Alliant Reloder-17
<<locked>>
97%
49139
77%
**07
100%
Alliant Reloder-23
<<locked>>
97%
30371
48%
**39
95%
[Alliant Reloder-26]*
<<locked>>
97%
32750
51%
**38
93%
Baschieri & Pellagri 106
<<locked>>
84%
56710
89%
**62
100%
Baschieri & Pellagri 107
<<locked>>
92%
57421
90%
**26
100%
Hodgdon BL-C2
<<locked>>
90%
56884
89%
**20
100%
Hodgdon Benchmark
<<locked>>
89%
57363
90%
**31
100%
Hodgdon CFE223 👍
<<locked>>
96%
57421
90%
**66
100%
Hodgdon H322
<<locked>>
88%
56739
89%
**51
100%
Hodgdon H335
<<locked>>
83%
56971
89%
**67
100%
Hodgdon H380
<<locked>>
96%
56376
88%
**07
99%
Hodgdon H414
<<locked>>
97%
50589
79%
**80
97%
[Hodgdon H4350]*
<<locked>>
97%
41771
65%
**77
93%
Hodgdon Hybrid 100V
<<locked>>
97%
39523
62%
**77
98%
Hodgdon LVR
<<locked>>
97%
47514
74%
**21
98%
Hodgdon Superperformance
<<locked>>
97%
47384
74%
**41
95%
Hodgdon VARGET
<<locked>>
97%
55956
88%
**74
100%
IMR 3031
<<locked>>
94%
56405
88%
**87
100%
IMR 4064
<<locked>>
97%
55303
87%
**54
100%
IMR 4166 Enduron
<<locked>>
97%
54621
86%
**21
97%
IMR 4198
<<locked>>
85%
56666
89%
**59
100%
[IMR 4350]*
<<locked>>
97%
43874
69%
**13
94%
IMR 4451 Enduron
<<locked>>
97%
52272
82%
**18
97%
IMR 4831
<<locked>>
97%
36622
57%
**41
96%
IMR 4895 👍
<<locked>>
94%
56811
89%
**30
100%
IMR 8208 XBR
<<locked>>
90%
56913
89%
**64
100%
Lovex D073.4
<<locked>>
85%
57101
89%
**44
100%
Lovex D073.5
<<locked>>
86%
56869
89%
**54
100%
Lovex D073.6
<<locked>>
92%
57363
90%
**93
100%
Lovex S060
<<locked>>
92%
56971
89%
**34
100%
Lovex S062
<<locked>>
96%
57232
90%
**80
100%
Lovex S065
<<locked>>
97%
47993
75%
**65
97%
Lovex S070
<<locked>>
97%
45498
71%
**46
96%
Norma 201
<<locked>>
92%
56971
89%
**67
100%
Norma 202
<<locked>>
92%
56753
89%
**64
100%
Norma 203B
<<locked>>
96%
57130
90%
**26
100%
[Norma 204]*
<<locked>>
97%
44367
70%
**43
92%
Norma URP
<<locked>>
97%
42815
67%
**65
98%
Ramshot Big Game 👍
<<locked>>
95%
56623
89%
**33
100%
Ramshot Hunter
<<locked>>
97%
42627
67%
**59
95%
Ramshot TAC
<<locked>>
90%
57101
89%
**80
99%
Ramshot Wild Boar
<<locked>>
90%
56942
89%
**07
100%
Ramshot X-Terminator
<<locked>>
87%
56913
89%
**57
100%
ReloadSwiss RS 40
<<locked>>
86%
56710
89%
**51
100%
ReloadSwiss RS 50
<<locked>>
96%
56782
89%
**87
98%
ReloadSwiss RS 52 👍
<<locked>>
96%
57116
89%
**46
100%
ReloadSwiss RS 60
<<locked>>
97%
47805
75%
**00
100%
ReloadSwiss RS 62
<<locked>>
97%
42134
66%
**79
97%
ReloadSwiss RS 70
<<locked>>
97%
43511
68%
**98
97%
Rottweil R 901
<<locked>>
90%
57203
90%
**38
100%
Rottweil R 902
<<locked>>
94%
56797
89%
**57
100%
Rottweil R 903
<<locked>>
97%
51996
81%
**54
100%
Rottweil R 907
<<locked>>
97%
50154
79%
**85
96%
SNPE Vectan SP 11
<<locked>>
97%
54302
85%
**16
100%
SNPE Vectan SP 7
<<locked>>
91%
56753
89%
**80
99%
SNPE Vectan SP 9
<<locked>>
93%
57392
90%
**03
100%
SNPE Vectan Tubal 3000
<<locked>>
91%
56666
89%
**85
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
56043
88%
**82
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
48124
75%
**26
96%
Shooters World Long Rifle
<<locked>>
97%
47993
75%
**65
97%
Shooters World Match Rifle
<<locked>>
92%
57363
90%
**93
100%
Shooters World Precision
<<locked>>
96%
57232
90%
**80
100%
Shooters World Tactical Rifle
<<locked>>
84%
56579
89%
**28
100%
Somchem S321
<<locked>>
87%
56652
89%
**84
100%
Somchem S335
<<locked>>
92%
57406
90%
**02
100%
Somchem S341
<<locked>>
91%
56898
89%
**80
100%
Somchem S355
<<locked>>
97%
52968
83%
**54
100%
Somchem S365
<<locked>>
97%
38087
60%
**16
99%
Vihtavuori N130
<<locked>>
88%
57087
89%
**59
100%
Vihtavuori N133
<<locked>>
94%
57130
90%
**79
100%
Vihtavuori N135
<<locked>>
97%
51213
80%
**69
100%
Vihtavuori N140
<<locked>>
94%
56956
89%
**41
100%
Vihtavuori N150
<<locked>>
97%
45078
71%
**20
100%
Vihtavuori N160
<<locked>>
97%
47297
74%
**92
98%
Vihtavuori N530
<<locked>>
88%
56884
89%
**74
100%
Vihtavuori N540
<<locked>>
94%
56463
88%
**67
100%
Vihtavuori N550
<<locked>>
97%
47935
75%
**44
98%
Vihtavuori N555
<<locked>>
97%
32010
50%
**05
95%
Winchester 6.5 StaBALL
<<locked>>
97%
45847
72%
**49
99%
Winchester 748
<<locked>>
88%
56927
89%
**13
100%
Winchester 760
<<locked>>
97%
50589
79%
**80
97%
Winchester StaBALL Match
<<locked>>
86%
56898
89%
**10
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
41031
64%
**60
98%
ADI AR 2208
<<locked>>
81%
34954
55%
**33
96%
Accurate 2015
<<locked>>
81%
46601
73%
**70
100%
Accurate 2200
<<locked>>
81%
43149
68%
**64
97%
Accurate 2230
<<locked>>
81%
48530
76%
**46
100%
Accurate 2460
<<locked>>
81%
48573
76%
**49
100%
Accurate 2495
<<locked>>
81%
41292
65%
**60
100%
Accurate 2520
<<locked>>
81%
42047
66%
**90
100%
[Accurate 2700]*
<<locked>>
82%
34998
55%
**80
90%
Accurate 4064
<<locked>>
81%
34751
54%
**65
100%
[Accurate 4350]*
<<locked>>
81%
24932
39%
**91
90%
Alliant AR-Comp
<<locked>>
81%
42192
66%
**60
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
33924
53%
**49
97%
Alliant Reloder-10x
<<locked>>
81%
50488
79%
**23
100%
Alliant Reloder-15
<<locked>>
81%
36709
58%
**08
97%
[Alliant Reloder-16]*
<<locked>>
81%
26876
42%
**05
90%
Alliant Reloder-17
<<locked>>
81%
29457
46%
**13
95%
[Alliant Reloder-23]*
<<locked>>
89%
24004
38%
**49
90%
[Alliant Reloder-26]*
<<locked>>
93%
29240
46%
**42
90%
Baschieri & Pellagri 106
<<locked>>
81%
52199
82%
**10
100%
Baschieri & Pellagri 107
<<locked>>
81%
39726
62%
**64
97%
Hodgdon BL-C2
<<locked>>
81%
41684
65%
**06
99%
Hodgdon Benchmark
<<locked>>
81%
45005
71%
**64
100%
Hodgdon CFE223
<<locked>>
81%
34867
55%
**01
95%
Hodgdon H322
<<locked>>
81%
45832
72%
**13
100%
Hodgdon H335
<<locked>>
81%
52910
83%
**15
100%
[Hodgdon H380]*
<<locked>>
81%
34360
54%
**49
94%
[Hodgdon H414]*
<<locked>>
83%
32692
51%
**49
90%
[Hodgdon H4350]*
<<locked>>
91%
34577
54%
**39
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
24265
38%
**23
92%
[Hodgdon LVR]*
<<locked>>
81%
28631
45%
**47
91%
[Hodgdon Superperformance]*
<<locked>>
89%
35389
55%
**15
90%
Hodgdon VARGET
<<locked>>
81%
34505
54%
**26
96%
IMR 3031
<<locked>>
81%
36898
58%
**11
100%
IMR 4064
<<locked>>
81%
34243
54%
**13
96%
[IMR 4166 Enduron]*
<<locked>>
81%
34461
54%
**77
91%
IMR 4198
<<locked>>
81%
50981
80%
**90
100%
[IMR 4350]*
<<locked>>
88%
33982
53%
**23
90%
[IMR 4451 Enduron]*
<<locked>>
81%
32474
51%
**67
90%
[IMR 4831]*
<<locked>>
84%
24816
39%
**59
90%
IMR 4895
<<locked>>
81%
37623
59%
**34
98%
IMR 8208 XBR
<<locked>>
81%
43105
68%
**74
99%
Lovex D073.4
<<locked>>
81%
50662
79%
**65
100%
Lovex D073.5
<<locked>>
81%
48370
76%
**49
100%
Lovex D073.6
<<locked>>
81%
39262
62%
**47
100%
Lovex S060
<<locked>>
81%
41510
65%
**08
98%
Lovex S062
<<locked>>
81%
36100
57%
**62
98%
[Lovex S065]*
<<locked>>
81%
29704
47%
**18
91%
[Lovex S070]*
<<locked>>
85%
31314
49%
**77
90%
Norma 201
<<locked>>
81%
40132
63%
**24
99%
Norma 202
<<locked>>
81%
40219
63%
**34
100%
Norma 203B
<<locked>>
81%
36230
57%
**98
97%
[Norma 204]*
<<locked>>
93%
38769
61%
**44
90%
[Norma URP]*
<<locked>>
81%
26281
41%
**98
91%
Ramshot Big Game
<<locked>>
81%
35462
56%
**05
97%
[Ramshot Hunter]*
<<locked>>
86%
30284
47%
**96
90%
Ramshot TAC
<<locked>>
81%
42931
67%
**74
96%
Ramshot Wild Boar
<<locked>>
81%
41901
66%
**90
98%
Ramshot X-Terminator
<<locked>>
81%
46485
73%
**16
99%
ReloadSwiss RS 40
<<locked>>
81%
48182
75%
**43
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
35085
55%
**36
92%
ReloadSwiss RS 52
<<locked>>
81%
34389
54%
**01
98%
ReloadSwiss RS 60
<<locked>>
81%
28747
45%
**96
95%
[ReloadSwiss RS 62]*
<<locked>>
82%
26426
41%
**31
90%
[ReloadSwiss RS 70]*
<<locked>>
85%
29936
47%
**03
90%
Rottweil R 901
<<locked>>
81%
44077
69%
**60
100%
Rottweil R 902
<<locked>>
81%
38189
60%
**82
99%
Rottweil R 903
<<locked>>
81%
31227
49%
**00
96%
[Rottweil R 907]*
<<locked>>
84%
33620
53%
**93
90%
SNPE Vectan SP 11
<<locked>>
81%
32401
51%
**46
96%
SNPE Vectan SP 7
<<locked>>
81%
41046
64%
**51
96%
SNPE Vectan SP 9
<<locked>>
81%
39363
62%
**34
98%
SNPE Vectan Tubal 3000
<<locked>>
81%
42003
66%
**88
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
34461
54%
**77
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
84%
30937
48%
**31
90%
[Shooters World Long Rifle]*
<<locked>>
81%
29704
47%
**18
91%
Shooters World Match Rifle
<<locked>>
81%
39262
62%
**47
100%
Shooters World Precision
<<locked>>
81%
36100
57%
**62
98%
Shooters World Tactical Rifle
<<locked>>
81%
51082
80%
**62
100%
Somchem S321
<<locked>>
81%
46311
73%
**39
100%
Somchem S335
<<locked>>
81%
41162
65%
**88
100%
Somchem S341
<<locked>>
81%
40582
64%
**47
98%
Somchem S355
<<locked>>
81%
32401
51%
**06
96%
[Somchem S365]*
<<locked>>
81%
23525
37%
**55
93%
Vihtavuori N130
<<locked>>
81%
46485
73%
**31
100%
Vihtavuori N133
<<locked>>
81%
39204
61%
**46
100%
Vihtavuori N135
<<locked>>
81%
31430
49%
**64
100%
Vihtavuori N140
<<locked>>
81%
37550
59%
**72
100%
Vihtavuori N150
<<locked>>
81%
27572
43%
**85
96%
[Vihtavuori N160]*
<<locked>>
81%
28558
45%
**31
92%
Vihtavuori N530
<<locked>>
81%
45527
71%
**23
100%
Vihtavuori N540
<<locked>>
81%
36999
58%
**82
100%
[Vihtavuori N550]*
<<locked>>
81%
28500
45%
**67
92%
[Vihtavuori N555]*
<<locked>>
88%
24323
38%
**95
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
27630
43%
**85
94%
Winchester 748
<<locked>>
81%
45295
71%
**56
100%
[Winchester 760]*
<<locked>>
83%
32692
51%
**49
90%
Winchester StaBALL Match
<<locked>>
81%
48457
76%
**98
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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