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Load data for 9.3 RSM + .366 | 255gr | Geco EXPRESS

Recommended Powder(s): Accurate 2520, Hodgdon BL-C2, Lovex D073.6, Shooters World Match Rifle, Winchester 748

9.3 RSM + .366 | 255gr | Geco EXPRESS

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.366 | 255gr | Geco EXPRESS
Manufacturer SKU:
2416988
Bullet Weight:
255gr | 16.5g
Bullet Diameter:
0.366" | 9.30mm
Bullet Length:
1.299" | 33.0mm
Caliber:
9.3 RSM load data
Case Length (l3):
2.090" | 53.1mm
Cartridge Length (C.O.L.):
2.817" | 71.6mm
Seated Depth:
0.572" | 14.5mm
Shank Seated Depth:
0.572" | 14.5mm
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_B9003_C1251
Last updated:
2025-01-01

Load data for 194 loads in caliber 9.3 RSM with .366 | 255gr | Geco EXPRESS bullet and 97 powders such as Accurate 2520, Hodgdon BL-C2, Lovex D073.6, Shooters World Match Rifle, 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".

  • 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.

    .

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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>>
96%
56884
89%
**18
99%
ADI AR 2207
<<locked>>
84%
57217
90%
**77
100%
ADI AR 2208
<<locked>>
97%
49400
77%
**87
98%
ADI AR 2219
<<locked>>
87%
56985
89%
**79
100%
Accurate 2015
<<locked>>
92%
56594
89%
**20
100%
Accurate 2200
<<locked>>
94%
57203
90%
**72
98%
Accurate 2230
<<locked>>
90%
57159
90%
**69
100%
Accurate 2460
<<locked>>
90%
57000
89%
**79
100%
Accurate 2495
<<locked>>
96%
57392
90%
**02
100%
Accurate 2520 👍
<<locked>>
95%
57261
90%
**21
100%
[Accurate 2700]*
<<locked>>
97%
49008
77%
**15
93%
Accurate 4064
<<locked>>
97%
48907
77%
**20
100%
[Accurate 4350]*
<<locked>>
97%
35404
55%
**39
93%
Alliant AR-Comp
<<locked>>
95%
56826
89%
**79
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
48211
76%
**10
99%
Alliant Reloder-10x
<<locked>>
89%
57406
90%
**39
100%
Alliant Reloder-15
<<locked>>
97%
52170
82%
**75
98%
[Alliant Reloder-16]*
<<locked>>
97%
37289
58%
**52
93%
Alliant Reloder-17
<<locked>>
97%
42540
67%
**93
97%
Alliant Reloder-7
<<locked>>
84%
57305
90%
**80
100%
Baschieri & Pellagri 106
<<locked>>
87%
57188
90%
**87
100%
Baschieri & Pellagri 107
<<locked>>
96%
56971
89%
**31
99%
Hodgdon BL-C2 👍
<<locked>>
95%
57406
90%
**51
100%
Hodgdon Benchmark
<<locked>>
93%
56971
89%
**43
100%
Hodgdon CFE BLK
<<locked>>
84%
57246
90%
**16
100%
Hodgdon CFE223
<<locked>>
97%
51169
80%
**85
98%
Hodgdon H322
<<locked>>
92%
56985
89%
**79
100%
Hodgdon H335
<<locked>>
87%
56405
88%
**82
100%
Hodgdon H380
<<locked>>
97%
50053
78%
**30
97%
[Hodgdon H414]*
<<locked>>
97%
43888
69%
**67
92%
Hodgdon H4198
<<locked>>
86%
56869
89%
**87
100%
[Hodgdon Hybrid 100V]*
<<locked>>
97%
33910
53%
**57
94%
[Hodgdon LVR]*
<<locked>>
97%
40582
64%
**05
94%
Hodgdon VARGET
<<locked>>
97%
48878
77%
**84
98%
IMR 3031
<<locked>>
97%
52156
82%
**69
100%
IMR 4064
<<locked>>
97%
47790
75%
**57
98%
[IMR 4166 Enduron]*
<<locked>>
97%
48950
77%
**34
94%
IMR 4198
<<locked>>
89%
56478
88%
**84
100%
[IMR 4451 Enduron]*
<<locked>>
97%
46238
72%
**21
93%
[IMR 4831]*
<<locked>>
97%
31488
49%
**28
91%
IMR 4895
<<locked>>
97%
53606
84%
**05
99%
IMR 8208 XBR
<<locked>>
94%
57305
90%
**92
100%
Lovex D073.4
<<locked>>
88%
56739
89%
**62
100%
Lovex D073.5
<<locked>>
90%
56550
89%
**69
100%
Lovex D073.6 👍
<<locked>>
97%
57261
90%
**21
100%
Lovex S060
<<locked>>
96%
57319
90%
**49
99%
Lovex S062
<<locked>>
97%
51068
80%
**23
100%
[Lovex S065]*
<<locked>>
97%
41843
66%
**65
94%
Norma 200
<<locked>>
85%
57406
90%
**10
100%
Norma 201
<<locked>>
97%
57363
90%
**89
100%
Norma 202
<<locked>>
96%
56724
89%
**85
100%
Norma 203B
<<locked>>
97%
51271
80%
**59
99%
[Norma URP]*
<<locked>>
97%
37014
58%
**49
94%
Ramshot Big Game
<<locked>>
97%
51401
81%
**79
99%
Ramshot TAC
<<locked>>
94%
57000
89%
**85
97%
Ramshot Wild Boar
<<locked>>
94%
56797
89%
**18
99%
Ramshot X-Terminator
<<locked>>
91%
56840
89%
**69
99%
ReloadSwiss RS 40
<<locked>>
90%
56869
89%
**75
100%
ReloadSwiss RS 50
<<locked>>
97%
50357
79%
**03
95%
ReloadSwiss RS 52
<<locked>>
97%
49647
78%
**79
100%
ReloadSwiss RS 60
<<locked>>
97%
41713
65%
**84
98%
[ReloadSwiss RS 62]*
<<locked>>
97%
36230
57%
**59
93%
Rottweil R 901
<<locked>>
94%
56695
89%
**56
100%
Rottweil R 902
<<locked>>
97%
54099
85%
**43
100%
Rottweil R 903
<<locked>>
97%
44599
70%
**57
98%
[Rottweil R 907]*
<<locked>>
97%
44005
69%
**82
92%
SNPE Vectan BA6 1/2
<<locked>>
85%
57145
90%
**38
100%
SNPE Vectan SP 10
<<locked>>
86%
56826
89%
**85
100%
SNPE Vectan SP 11
<<locked>>
97%
46267
73%
**07
98%
SNPE Vectan SP 7
<<locked>>
95%
56797
89%
**89
98%
SNPE Vectan SP 9
<<locked>>
97%
56710
89%
**08
99%
SNPE Vectan Tubal 3000
<<locked>>
95%
57276
90%
**10
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
48820
77%
**08
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
97%
40480
63%
**13
92%
[Shooters World Long Rifle]*
<<locked>>
97%
41843
66%
**65
94%
Shooters World Match Rifle 👍
<<locked>>
97%
57261
90%
**21
100%
Shooters World Precision
<<locked>>
97%
51068
80%
**23
100%
Shooters World Tactical Rifle
<<locked>>
88%
56942
89%
**43
100%
Somchem S321
<<locked>>
92%
57217
90%
**12
100%
Somchem S335
<<locked>>
96%
56985
89%
**23
100%
Somchem S341
<<locked>>
95%
56840
89%
**98
99%
Somchem S355
<<locked>>
97%
45919
72%
**67
98%
Somchem S365
<<locked>>
97%
32735
51%
**93
96%
Vihtavuori N120
<<locked>>
86%
57101
89%
**25
100%
Vihtavuori N130
<<locked>>
92%
57101
89%
**87
100%
Vihtavuori N133
<<locked>>
97%
54998
86%
**77
100%
Vihtavuori N135
<<locked>>
97%
43743
69%
**98
100%
Vihtavuori N140
<<locked>>
97%
53867
84%
**30
100%
Vihtavuori N150
<<locked>>
97%
38305
60%
**16
98%
Vihtavuori N160
<<locked>>
97%
40901
64%
**88
95%
Vihtavuori N530
<<locked>>
92%
56956
89%
**98
100%
Vihtavuori N540
<<locked>>
97%
53447
84%
**56
100%
Vihtavuori N550
<<locked>>
97%
40611
64%
**28
95%
Winchester 6.5 StaBALL
<<locked>>
97%
39769
62%
**36
97%
Winchester 748 👍
<<locked>>
92%
57145
90%
**38
100%
[Winchester 760]*
<<locked>>
97%
43888
69%
**67
92%
Winchester StaBALL Match
<<locked>>
90%
56521
89%
**21
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
35926
56%
**67
95%
ADI AR 2207
<<locked>>
81%
51982
81%
**15
100%
[ADI AR 2208]*
<<locked>>
81%
30690
48%
**33
92%
ADI AR 2219
<<locked>>
81%
46963
74%
**48
100%
Accurate 2015
<<locked>>
81%
40698
64%
**00
100%
[Accurate 2200]*
<<locked>>
81%
38058
60%
**74
94%
Accurate 2230
<<locked>>
81%
42409
66%
**56
98%
Accurate 2460
<<locked>>
81%
42308
66%
**69
99%
Accurate 2495
<<locked>>
81%
34853
55%
**74
100%
Accurate 2520
<<locked>>
81%
35882
56%
**93
98%
[Accurate 2700]*
<<locked>>
92%
41350
65%
**90
90%
Accurate 4064
<<locked>>
81%
29327
46%
**62
98%
[Accurate 4350]*
<<locked>>
91%
28935
45%
**92
90%
Alliant AR-Comp
<<locked>>
81%
36143
57%
**93
100%
[Alliant Reloder- TS 15.5]*
<<locked>>
81%
29066
46%
**39
94%
Alliant Reloder-10x
<<locked>>
81%
44353
70%
**65
100%
[Alliant Reloder-15]*
<<locked>>
81%
31807
50%
**01
93%
[Alliant Reloder-16]*
<<locked>>
91%
31256
49%
**05
90%
[Alliant Reloder-17]*
<<locked>>
83%
27586
43%
**36
90%
Alliant Reloder-7
<<locked>>
81%
53171
83%
**31
100%
Baschieri & Pellagri 106
<<locked>>
81%
46615
73%
**52
100%
[Baschieri & Pellagri 107]*
<<locked>>
81%
34708
54%
**60
93%
Hodgdon BL-C2
<<locked>>
81%
35998
56%
**10
97%
Hodgdon Benchmark
<<locked>>
81%
40161
63%
**90
98%
Hodgdon CFE BLK
<<locked>>
81%
51401
81%
**38
99%
[Hodgdon CFE223]*
<<locked>>
81%
30269
47%
**78
90%
Hodgdon H322
<<locked>>
81%
39900
63%
**33
100%
Hodgdon H335
<<locked>>
81%
46325
73%
**51
100%
[Hodgdon H380]*
<<locked>>
82%
30240
47%
**52
90%
[Hodgdon H414]*
<<locked>>
93%
38261
60%
**56
90%
Hodgdon H4198
<<locked>>
81%
49472
78%
**92
100%
[Hodgdon Hybrid 100V]*
<<locked>>
89%
26643
42%
**70
90%
[Hodgdon LVR]*
<<locked>>
89%
32416
51%
**24
90%
[Hodgdon VARGET]*
<<locked>>
81%
30429
48%
**26
92%
IMR 3031
<<locked>>
81%
31647
50%
**24
99%
[IMR 4064]*
<<locked>>
81%
29907
47%
**10
92%
[IMR 4166 Enduron]*
<<locked>>
88%
37855
59%
**34
90%
IMR 4198
<<locked>>
81%
45266
71%
**39
100%
[IMR 4451 Enduron]*
<<locked>>
91%
38754
61%
**83
90%
[IMR 4831]*
<<locked>>
94%
29022
45%
**65
90%
[IMR 4895]*
<<locked>>
81%
32547
51%
**31
94%
IMR 8208 XBR
<<locked>>
81%
37927
59%
**87
97%
Lovex D073.4
<<locked>>
81%
44034
69%
**85
99%
Lovex D073.5
<<locked>>
81%
42105
66%
**62
99%
Lovex D073.6
<<locked>>
81%
33765
53%
**47
98%
Lovex S060
<<locked>>
81%
37086
58%
**24
96%
Lovex S062
<<locked>>
81%
31633
50%
**69
95%
[Lovex S065]*
<<locked>>
89%
32851
51%
**85
90%
Norma 200
<<locked>>
81%
50024
78%
**21
100%
Norma 201
<<locked>>
81%
34998
55%
**28
96%
Norma 202
<<locked>>
81%
35056
55%
**51
99%
[Norma 203B]*
<<locked>>
81%
31212
49%
**92
93%
[Norma URP]*
<<locked>>
90%
30385
48%
**92
90%
[Ramshot Big Game]*
<<locked>>
81%
30864
48%
**88
92%
[Ramshot TAC]*
<<locked>>
81%
37753
59%
**70
92%
Ramshot Wild Boar
<<locked>>
81%
36448
57%
**93
95%
Ramshot X-Terminator
<<locked>>
81%
41104
64%
**26
96%
ReloadSwiss RS 40
<<locked>>
81%
42598
67%
**65
99%
[ReloadSwiss RS 50]*
<<locked>>
86%
35534
56%
**38
90%
ReloadSwiss RS 52
<<locked>>
81%
29515
46%
**88
95%
[ReloadSwiss RS 60]*
<<locked>>
83%
26745
42%
**03
90%
[ReloadSwiss RS 62]*
<<locked>>
92%
31053
49%
**38
90%
Rottweil R 901
<<locked>>
81%
38682
61%
**87
99%
Rottweil R 902
<<locked>>
81%
33504
53%
**88
96%
[Rottweil R 903]*
<<locked>>
81%
26469
41%
**83
92%
[Rottweil R 907]*
<<locked>>
94%
40089
63%
**13
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
52185
82%
**82
100%
SNPE Vectan SP 10
<<locked>>
81%
47282
74%
**54
100%
[SNPE Vectan SP 11]*
<<locked>>
81%
28311
44%
**26
91%
[SNPE Vectan SP 7]*
<<locked>>
81%
35534
56%
**41
92%
[SNPE Vectan SP 9]*
<<locked>>
81%
34113
53%
**34
94%
SNPE Vectan Tubal 3000
<<locked>>
81%
37028
58%
**11
99%
SNPE Vectan Tubal 5000
<<locked>>
81%
30226
47%
**90
98%
[SNPE Vectan Tubal 7000]*
<<locked>>
93%
36216
57%
**31
90%
[Shooters World Long Rifle]*
<<locked>>
89%
32851
51%
**85
90%
Shooters World Match Rifle
<<locked>>
81%
33765
53%
**47
98%
Shooters World Precision
<<locked>>
81%
31633
50%
**69
95%
Shooters World Tactical Rifle
<<locked>>
81%
45063
71%
**79
98%
Somchem S321
<<locked>>
81%
40495
63%
**56
98%
Somchem S335
<<locked>>
81%
36143
57%
**11
99%
Somchem S341
<<locked>>
81%
35288
55%
**47
95%
[Somchem S355]*
<<locked>>
81%
27789
44%
**96
92%
[Somchem S365]*
<<locked>>
87%
24337
38%
**54
90%
Vihtavuori N120
<<locked>>
81%
48791
76%
**26
100%
Vihtavuori N130
<<locked>>
81%
41307
65%
**74
100%
Vihtavuori N133
<<locked>>
81%
34722
54%
**75
100%
Vihtavuori N135
<<locked>>
81%
27050
42%
**77
98%
Vihtavuori N140
<<locked>>
81%
32518
51%
**82
98%
[Vihtavuori N150]*
<<locked>>
81%
23917
37%
**78
92%
[Vihtavuori N160]*
<<locked>>
88%
30443
48%
**62
90%
Vihtavuori N530
<<locked>>
81%
39479
62%
**26
98%
Vihtavuori N540
<<locked>>
81%
32198
50%
**95
98%
[Vihtavuori N550]*
<<locked>>
87%
30023
47%
**92
90%
[Winchester 6.5 StaBALL]*
<<locked>>
84%
27064
42%
**41
90%
Winchester 748
<<locked>>
81%
39131
61%
**65
98%
[Winchester 760]*
<<locked>>
93%
38261
60%
**56
90%
Winchester StaBALL Match
<<locked>>
81%
41481
65%
**95
97%

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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