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Load data for 8.5 x 63 + .338 | 185gr | Hornady ECX

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

8.5 x 63 + .338 | 185gr | Hornady ECX

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 185gr | Hornady ECX
Manufacturer SKU:
33272
Bullet Weight:
185gr | 12.0g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.266" | 32.2mm
Caliber:
8.5 x 63 load data
Case Length (l3):
2.480" | 63.0mm
Cartridge Length (C.O.L.):
3.260" | 82.8mm
Seated Depth:
0.486" | 12.3mm
Shank Seated Depth:
0.486" | 12.3mm
Case Capacity:
75.5 Grains of Water | 4.90 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B12167_C1207
Last updated:
2026-01-20

Load data for 186 loads in caliber 8.5 x 63 with .338 | 185gr | Hornady ECX bullet and 93 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".

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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>>
96%
55970
90%
**41
99%
ADI AR 2207
<<locked>>
83%
55245
89%
**97
100%
ADI AR 2208
<<locked>>
97%
48762
78%
**07
97%
ADI AR 2219
<<locked>>
86%
55056
88%
**05
100%
Accurate 2015
<<locked>>
91%
55680
89%
**53
100%
Accurate 2200
<<locked>>
93%
55347
89%
**92
97%
Accurate 2230
<<locked>>
89%
55187
88%
**85
99%
Accurate 2460
<<locked>>
89%
55680
89%
**99
100%
Accurate 2495
<<locked>>
95%
55985
90%
**31
100%
Accurate 2520 👍
<<locked>>
94%
55230
89%
**38
100%
[Accurate 2700]*
<<locked>>
97%
48617
78%
**21
91%
Accurate 4064
<<locked>>
97%
48501
78%
**46
100%
[Accurate 4350]*
<<locked>>
97%
34954
56%
**33
92%
Alliant AR-Comp
<<locked>>
94%
55999
90%
**22
100%
Alliant Power Pro 2000-MR
<<locked>>
97%
54723
88%
**23
98%
Alliant Reloder- TS 15.5
<<locked>>
97%
47718
77%
**33
98%
Alliant Reloder-10x
<<locked>>
89%
55637
89%
**62
100%
Alliant Reloder-15
<<locked>>
97%
51677
83%
**99
98%
[Alliant Reloder-16]*
<<locked>>
97%
37579
60%
**56
92%
Alliant Reloder-17
<<locked>>
97%
42264
68%
**00
96%
Baschieri & Pellagri 106
<<locked>>
87%
55622
89%
**03
100%
Baschieri & Pellagri 107
<<locked>>
96%
55811
89%
**54
98%
Bofors RP3
<<locked>>
97%
47572
76%
**43
98%
Hodgdon BL-C2 👍
<<locked>>
94%
56101
90%
**71
99%
Hodgdon Benchmark
<<locked>>
92%
55448
89%
**62
100%
Hodgdon CFE BLK
<<locked>>
83%
55245
89%
**30
99%
Hodgdon CFE223
<<locked>>
97%
50981
82%
**22
97%
Hodgdon H322
<<locked>>
92%
55695
89%
**12
100%
Hodgdon H335
<<locked>>
86%
55158
88%
**15
100%
Hodgdon H380
<<locked>>
97%
49487
79%
**49
96%
Hodgdon H4198
<<locked>>
85%
55317
89%
**10
100%
[Hodgdon Hybrid 100V]*
<<locked>>
97%
33518
54%
**44
93%
[Hodgdon LVR]*
<<locked>>
97%
40190
64%
**08
92%
Hodgdon VARGET
<<locked>>
97%
48559
78%
**03
97%
IMR 3031
<<locked>>
97%
51474
83%
**05
100%
IMR 4064
<<locked>>
97%
48124
77%
**87
97%
[IMR 4166 Enduron]*
<<locked>>
97%
48370
78%
**48
92%
IMR 4198
<<locked>>
89%
56072
90%
**23
100%
[IMR 4451 Enduron]*
<<locked>>
97%
45542
73%
**31
91%
IMR 4895
<<locked>>
97%
52707
85%
**35
98%
IMR 8208 XBR
<<locked>>
93%
55347
89%
**08
99%
Lovex D073.4
<<locked>>
88%
56072
90%
**95
100%
Lovex D073.5
<<locked>>
89%
55419
89%
**99
100%
Lovex D073.6 👍
<<locked>>
96%
55970
90%
**44
100%
Lovex S060
<<locked>>
95%
55840
90%
**66
99%
Lovex S062
<<locked>>
97%
50575
81%
**49
99%
[Lovex S065]*
<<locked>>
97%
41553
67%
**69
92%
Norma 200
<<locked>>
85%
55651
89%
**40
100%
Norma 201
<<locked>>
96%
55985
90%
**15
99%
Norma 202
<<locked>>
96%
55405
89%
**15
100%
Norma 203B
<<locked>>
97%
50792
81%
**89
98%
[Norma URP]*
<<locked>>
97%
36695
59%
**46
92%
Ramshot Big Game
<<locked>>
97%
51851
83%
**18
98%
Ramshot TAC
<<locked>>
93%
55695
89%
**08
96%
Ramshot Wild Boar
<<locked>>
94%
56043
90%
**48
99%
Ramshot X-Terminator
<<locked>>
91%
55811
89%
**95
99%
ReloadSwiss RS 14
<<locked>>
96%
32445
52%
**80
100%
ReloadSwiss RS 40
<<locked>>
90%
55579
89%
**99
100%
[ReloadSwiss RS 50]*
<<locked>>
97%
50256
81%
**20
94%
ReloadSwiss RS 52
<<locked>>
97%
54331
87%
**13
98%
ReloadSwiss RS 60
<<locked>>
97%
45078
72%
**72
99%
Rottweil R 901
<<locked>>
93%
55724
89%
**85
100%
Rottweil R 902
<<locked>>
97%
53505
86%
**69
99%
Rottweil R 903
<<locked>>
97%
44193
71%
**74
97%
SNPE Vectan BA6 1/2
<<locked>>
83%
55376
89%
**54
100%
SNPE Vectan SP 10
<<locked>>
86%
56072
90%
**22
100%
SNPE Vectan SP 11
<<locked>>
97%
45876
74%
**26
97%
SNPE Vectan SP 7
<<locked>>
94%
55230
89%
**02
97%
SNPE Vectan SP 9
<<locked>>
96%
55187
88%
**25
99%
SNPE Vectan Tubal 3000
<<locked>>
95%
55956
90%
**36
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
48834
78%
**38
100%
[Shooters World Long Rifle]*
<<locked>>
97%
41553
67%
**69
92%
Shooters World Match Rifle 👍
<<locked>>
96%
55970
90%
**44
100%
Shooters World Precision
<<locked>>
97%
50575
81%
**49
99%
Shooters World Tactical Rifle
<<locked>>
87%
55245
89%
**62
99%
Somchem S321
<<locked>>
91%
55448
89%
**25
100%
Somchem S335
<<locked>>
95%
55550
89%
**40
100%
Somchem S341
<<locked>>
95%
55274
89%
**08
98%
Somchem S355
<<locked>>
97%
45571
73%
**87
97%
[Somchem S365]*
<<locked>>
97%
32343
52%
**80
94%
Vihtavuori N120
<<locked>>
86%
55956
90%
**54
100%
Vihtavuori N130
<<locked>>
91%
55259
89%
**10
100%
Vihtavuori N133
<<locked>>
97%
54969
88%
**20
100%
Vihtavuori N135
<<locked>>
96%
42917
69%
**15
100%
Vihtavuori N140
<<locked>>
97%
53330
86%
**62
100%
Vihtavuori N150
<<locked>>
97%
38406
62%
**30
97%
[Vihtavuori N160]*
<<locked>>
97%
40741
65%
**89
93%
Vihtavuori N530
<<locked>>
92%
56014
90%
**25
100%
Vihtavuori N540
<<locked>>
97%
52953
85%
**85
100%
[Vihtavuori N550]*
<<locked>>
97%
40509
65%
**38
94%
Winchester 6.5 StaBALL
<<locked>>
97%
40277
65%
**49
96%
Winchester 748 👍
<<locked>>
92%
56043
90%
**67
100%
Winchester StaBALL Match
<<locked>>
89%
55564
89%
**51
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2206H]*
<<locked>>
81%
35476
57%
**64
94%
ADI AR 2207
<<locked>>
81%
51648
83%
**54
100%
[ADI AR 2208]*
<<locked>>
81%
30385
49%
**16
90%
ADI AR 2219
<<locked>>
81%
46586
75%
**74
100%
Accurate 2015
<<locked>>
81%
40335
65%
**23
100%
[Accurate 2200]*
<<locked>>
81%
37623
60%
**67
92%
Accurate 2230
<<locked>>
81%
42061
67%
**66
97%
Accurate 2460
<<locked>>
81%
41887
67%
**82
98%
Accurate 2495
<<locked>>
81%
34461
55%
**74
100%
Accurate 2520
<<locked>>
81%
35563
57%
**93
97%
[Accurate 2700]*
<<locked>>
95%
44889
72%
**62
90%
Accurate 4064
<<locked>>
81%
28993
46%
**43
96%
[Accurate 4350]*
<<locked>>
94%
31749
51%
**61
90%
Alliant AR-Comp
<<locked>>
81%
35810
57%
**07
100%
[Alliant Power Pro 2000-MR]*
<<locked>>
83%
33953
54%
**93
90%
[Alliant Reloder- TS 15.5]*
<<locked>>
81%
28819
46%
**26
92%
Alliant Reloder-10x
<<locked>>
81%
43903
70%
**85
100%
[Alliant Reloder-15]*
<<locked>>
81%
31386
50%
**82
91%
[Alliant Reloder-16]*
<<locked>>
94%
34069
55%
**70
90%
[Alliant Reloder-17]*
<<locked>>
86%
30211
48%
**98
90%
Baschieri & Pellagri 106
<<locked>>
81%
46267
74%
**72
100%
[Baschieri & Pellagri 107]*
<<locked>>
81%
34389
55%
**48
91%
[Bofors RP3]*
<<locked>>
81%
27702
44%
**10
91%
Hodgdon BL-C2
<<locked>>
81%
35607
57%
**13
96%
Hodgdon Benchmark
<<locked>>
81%
39726
64%
**97
97%
Hodgdon CFE BLK
<<locked>>
81%
51198
82%
**61
99%
[Hodgdon CFE223]*
<<locked>>
83%
32503
52%
**31
90%
Hodgdon H322
<<locked>>
81%
39450
63%
**46
99%
Hodgdon H335
<<locked>>
81%
45890
74%
**71
100%
[Hodgdon H380]*
<<locked>>
85%
33576
54%
**31
90%
Hodgdon H4198
<<locked>>
81%
49240
79%
**18
100%
[Hodgdon Hybrid 100V]*
<<locked>>
92%
29037
47%
**23
90%
[Hodgdon LVR]*
<<locked>>
92%
35259
57%
**93
90%
[Hodgdon VARGET]*
<<locked>>
81%
30211
48%
**13
90%
IMR 3031
<<locked>>
81%
31386
50%
**25
99%
[IMR 4064]*
<<locked>>
81%
29515
47%
**90
90%
[IMR 4166 Enduron]*
<<locked>>
91%
41249
66%
**13
90%
IMR 4198
<<locked>>
81%
45121
72%
**69
100%
[IMR 4451 Enduron]*
<<locked>>
94%
42206
68%
**66
90%
[IMR 4895]*
<<locked>>
81%
31981
51%
**18
92%
IMR 8208 XBR
<<locked>>
81%
37478
60%
**87
96%
Lovex D073.4
<<locked>>
81%
43526
70%
**98
98%
Lovex D073.5
<<locked>>
81%
41640
67%
**75
98%
Lovex D073.6
<<locked>>
81%
33286
53%
**44
97%
[Lovex S060]*
<<locked>>
81%
36767
59%
**28
94%
[Lovex S062]*
<<locked>>
81%
31285
50%
**56
94%
[Lovex S065]*
<<locked>>
92%
36013
58%
**54
90%
Norma 200
<<locked>>
81%
49603
80%
**54
100%
Norma 201
<<locked>>
81%
34679
56%
**25
95%
Norma 202
<<locked>>
81%
34635
56%
**48
98%
[Norma 203B]*
<<locked>>
81%
30777
49%
**79
92%
[Norma URP]*
<<locked>>
93%
32880
53%
**54
90%
[Ramshot Big Game]*
<<locked>>
81%
30472
49%
**72
91%
[Ramshot TAC]*
<<locked>>
81%
37594
60%
**77
91%
[Ramshot Wild Boar]*
<<locked>>
81%
36013
58%
**90
94%
Ramshot X-Terminator
<<locked>>
81%
40654
65%
**30
95%
ReloadSwiss RS 14
<<locked>>
93%
31053
50%
**54
100%
ReloadSwiss RS 40
<<locked>>
81%
42134
68%
**79
99%
[ReloadSwiss RS 50]*
<<locked>>
89%
38740
62%
**13
90%
[ReloadSwiss RS 52]*
<<locked>>
81%
32039
51%
**57
91%
[ReloadSwiss RS 60]*
<<locked>>
81%
27108
43%
**13
91%
Rottweil R 901
<<locked>>
81%
38348
61%
**87
98%
Rottweil R 902
<<locked>>
81%
33083
53%
**79
95%
[Rottweil R 903]*
<<locked>>
81%
26266
42%
**60
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
51851
83%
**08
100%
SNPE Vectan SP 10
<<locked>>
81%
46934
75%
**77
100%
[SNPE Vectan SP 11]*
<<locked>>
83%
29791
48%
**56
90%
[SNPE Vectan SP 7]*
<<locked>>
81%
35302
57%
**41
91%
[SNPE Vectan SP 9]*
<<locked>>
81%
33837
54%
**28
93%
SNPE Vectan Tubal 3000
<<locked>>
81%
36709
59%
**11
98%
SNPE Vectan Tubal 5000
<<locked>>
81%
29704
48%
**74
97%
[Shooters World Long Rifle]*
<<locked>>
92%
36013
58%
**54
90%
Shooters World Match Rifle
<<locked>>
81%
33286
53%
**44
97%
[Shooters World Precision]*
<<locked>>
81%
31285
50%
**56
94%
Shooters World Tactical Rifle
<<locked>>
81%
44512
71%
**89
97%
Somchem S321
<<locked>>
81%
40118
64%
**66
97%
Somchem S335
<<locked>>
81%
35839
57%
**15
99%
[Somchem S341]*
<<locked>>
81%
34940
56%
**48
93%
[Somchem S355]*
<<locked>>
81%
27499
44%
**80
91%
[Somchem S365]*
<<locked>>
90%
26716
43%
**10
90%
Vihtavuori N120
<<locked>>
81%
48254
77%
**56
100%
Vihtavuori N130
<<locked>>
81%
41060
66%
**90
100%
Vihtavuori N133
<<locked>>
81%
34330
55%
**75
99%
Vihtavuori N135
<<locked>>
81%
26600
43%
**57
97%
Vihtavuori N140
<<locked>>
81%
32227
52%
**79
97%
[Vihtavuori N150]*
<<locked>>
81%
23873
38%
**56
90%
[Vihtavuori N160]*
<<locked>>
91%
33504
54%
**25
90%
Vihtavuori N530
<<locked>>
81%
39407
63%
**39
97%
Vihtavuori N540
<<locked>>
81%
31749
51%
**88
97%
[Vihtavuori N550]*
<<locked>>
91%
33228
53%
**70
90%
[Winchester 6.5 StaBALL]*
<<locked>>
87%
29443
47%
**90
90%
Winchester 748
<<locked>>
81%
38740
62%
**72
97%
Winchester StaBALL Match
<<locked>>
81%
41205
66%
**12
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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