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Load data for 9.3 x 57 + .366 | 250gr Hornady ECX

Recommended Powder(s): Alliant AR-Comp, Alliant Reloder-10x, IMR 4198, Norma 200

9.3 x 57 + .366 | 250gr Hornady ECX

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.366 | 250gr Hornady ECX
Manufacturer SKU:
35614
Bullet Weight:
250gr | 16.2g
Bullet Diameter:
0.366" | 9.30mm
Bullet Length:
1.400" | 35.6mm
Caliber:
9.3 x 57 load data
Case Length (l3):
2.224" | 56.5mm
Cartridge Length (C.O.L.):
2.873" | 73.0mm
Seated Depth:
0.751" | 19.1mm
Shank Seated Depth:
0.751" | 19.1mm
Case Capacity:
63.0 Grains of Water | 4.09 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
43511 psi | 3000 bar
LID:
LID_B1387_C1256
Last updated:
2025-02-02

Load data for 86 loads in caliber 9.3 x 57 with .366 | 250gr Hornady ECX bullet and 43 powders such as Alliant AR-Comp, Alliant Reloder-10x, IMR 4198, Norma 200. 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 2207
<<locked>>
84%
38537
89%
**47
100%
ADI AR 2219
<<locked>>
88%
39117
90%
**00
97%
Accurate 2015 👍
<<locked>>
94%
38363
88%
**70
99%
[Accurate 2230]*
<<locked>>
92%
38653
89%
**57
92%
[Accurate 2460]*
<<locked>>
92%
38537
89%
**80
94%
Accurate 2495
<<locked>>
97%
33185
76%
**73
98%
[Accurate 2520]*
<<locked>>
97%
35708
82%
**87
94%
[Accurate 4064]*
<<locked>>
97%
27441
63%
**49
93%
Alliant AR-Comp 👍
<<locked>>
96%
36941
85%
**06
100%
Alliant Reloder-10x 👍
<<locked>>
90%
38247
88%
**73
99%
Baschieri & Pellagri 106
<<locked>>
87%
38653
89%
**08
98%
[Hodgdon BL-C2]*
<<locked>>
97%
37362
86%
**00
92%
[Hodgdon Benchmark]*
<<locked>>
93%
38841
89%
**28
94%
[Hodgdon CFE BLK]*
<<locked>>
83%
38435
88%
**82
93%
Hodgdon H322
<<locked>>
94%
38580
89%
**90
97%
Hodgdon H335
<<locked>>
89%
38348
88%
**93
96%
Hodgdon H4198
<<locked>>
84%
38972
90%
**88
97%
IMR 3031
<<locked>>
97%
32401
74%
**28
96%
IMR 4198
<<locked>>
88%
38334
88%
**24
100%
[IMR 8208 XBR]*
<<locked>>
96%
38827
89%
**70
93%
[Lovex D073.4]*
<<locked>>
91%
38711
89%
**70
94%
[Lovex D073.5]*
<<locked>>
93%
38537
89%
**80
94%
[Lovex D073.6]*
<<locked>>
97%
33634
77%
**44
93%
Norma 200
<<locked>>
87%
38870
89%
**70
100%
[Norma 201]*
<<locked>>
97%
36376
84%
**37
92%
Norma 202
<<locked>>
97%
35984
83%
**60
95%
ReloadSwiss RS 40
<<locked>>
92%
38783
89%
**77
95%
Rottweil R 901
<<locked>>
96%
38638
89%
**70
96%
SNPE Vectan SP 10
<<locked>>
88%
39001
90%
**00
96%
SNPE Vectan Tubal 3000
<<locked>>
96%
38667
89%
**14
96%
SNPE Vectan Tubal 5000
<<locked>>
97%
31952
73%
**13
95%
[Shooters World Match Rifle]*
<<locked>>
97%
33634
77%
**44
93%
[Shooters World Tactical Rifle]*
<<locked>>
89%
38609
89%
**28
92%
[Somchem S321]*
<<locked>>
94%
38812
89%
**00
93%
Somchem S335
<<locked>>
97%
38334
88%
**41
97%
Vihtavuori N120
<<locked>>
87%
38856
89%
**11
100%
Vihtavuori N130
<<locked>>
93%
39044
90%
**37
99%
Vihtavuori N133
<<locked>>
96%
35679
82%
**91
98%
[Vihtavuori N135]*
<<locked>>
96%
26789
62%
**77
94%
Vihtavuori N140
<<locked>>
97%
33924
78%
**95
95%
[Vihtavuori N530]*
<<locked>>
94%
38653
89%
**80
93%
[Vihtavuori N540]*
<<locked>>
97%
33185
76%
**05
94%
[Winchester 748]*
<<locked>>
95%
39131
90%
**23
94%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2207
<<locked>>
81%
34780
80%
**85
100%
[ADI AR 2219]*
<<locked>>
81%
30676
70%
**36
94%
Accurate 2015
<<locked>>
81%
25701
59%
**27
95%
[Accurate 2230]*
<<locked>>
88%
34185
79%
**82
90%
[Accurate 2460]*
<<locked>>
85%
29370
68%
**13
90%
[Accurate 2495]*
<<locked>>
81%
19682
45%
**55
91%
[Accurate 2520]*
<<locked>>
88%
26832
62%
**00
90%
[Accurate 4064]*
<<locked>>
91%
23076
53%
**41
90%
Alliant AR-Comp
<<locked>>
81%
23279
54%
**04
96%
Alliant Reloder-10x
<<locked>>
81%
29095
67%
**03
97%
Baschieri & Pellagri 106
<<locked>>
81%
31575
73%
**83
95%
[Hodgdon BL-C2]*
<<locked>>
93%
33199
76%
**24
90%
[Hodgdon Benchmark]*
<<locked>>
85%
30850
71%
**77
90%
[Hodgdon CFE BLK]*
<<locked>>
81%
35853
82%
**39
92%
[Hodgdon H322]*
<<locked>>
81%
26223
60%
**31
92%
[Hodgdon H335]*
<<locked>>
81%
29660
68%
**23
92%
Hodgdon H4198
<<locked>>
81%
35288
81%
**29
96%
[IMR 3031]*
<<locked>>
84%
22814
52%
**81
90%
IMR 4198
<<locked>>
81%
31560
73%
**03
99%
[IMR 8208 XBR]*
<<locked>>
89%
32285
74%
**49
90%
[Lovex D073.4]*
<<locked>>
83%
29356
67%
**00
90%
[Lovex D073.5]*
<<locked>>
85%
29370
68%
**13
90%
[Lovex D073.6]*
<<locked>>
90%
27122
62%
**03
90%
Norma 200
<<locked>>
81%
32779
75%
**62
99%
[Norma 201]*
<<locked>>
92%
31531
72%
**46
90%
[Norma 202]*
<<locked>>
85%
25106
58%
**24
90%
[ReloadSwiss RS 40]*
<<locked>>
82%
28384
65%
**73
90%
[Rottweil R 901]*
<<locked>>
81%
25353
58%
**95
90%
[SNPE Vectan SP 10]*
<<locked>>
81%
30966
71%
**46
93%
[SNPE Vectan Tubal 3000]*
<<locked>>
82%
25266
58%
**55
90%
[SNPE Vectan Tubal 5000]*
<<locked>>
87%
23960
55%
**32
90%
[Shooters World Match Rifle]*
<<locked>>
90%
27122
62%
**03
90%
[Shooters World Tactical Rifle]*
<<locked>>
85%
34258
79%
**55
90%
[Somchem S321]*
<<locked>>
87%
31502
72%
**65
90%
[Somchem S335]*
<<locked>>
81%
23946
55%
**49
91%
Vihtavuori N120
<<locked>>
81%
32445
75%
**13
100%
Vihtavuori N130
<<locked>>
81%
27731
64%
**27
97%
[Vihtavuori N133]*
<<locked>>
81%
23308
54%
**19
93%
[Vihtavuori N135]*
<<locked>>
88%
21074
48%
**16
90%
[Vihtavuori N140]*
<<locked>>
86%
25034
58%
**98
90%
[Vihtavuori N530]*
<<locked>>
88%
31821
73%
**55
90%
[Vihtavuori N540]*
<<locked>>
89%
26542
61%
**57
90%
[Winchester 748]*
<<locked>>
87%
31082
71%
**62
90%

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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