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Load data for 7 x 57 + .284 | 150gr Hornady ECX

Recommended Powder(s): Baschieri & Pellagri 107, IMR 4895, Norma 203B, Ramshot Big Game, ReloadSwiss RS 52

7 x 57 + .284 | 150gr Hornady ECX

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 150gr Hornady ECX
Manufacturer SKU:
28214
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.320" | 33.5mm
Caliber:
7 x 57 load data
Case Length (l3):
2.244" | 57.0mm
Cartridge Length (C.O.L.):
2.764" | 70.2mm
Seated Depth:
0.800" | 20.3mm
Shank Seated Depth:
0.800" | 20.3mm
Case Capacity:
59.5 Grains of Water | 3.86 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
56565 psi | 3900 bar
LID:
LID_B1385_C1091
Last updated:
2025-02-02

Load data for 190 loads in caliber 7 x 57 with .284 | 150gr Hornady ECX bullet and 95 powders such as Baschieri & Pellagri 107, IMR 4895, Norma 203B, 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".

  • Muzzle velocity vs. barrel length

    Every 1 inch additional barrel length increases muzzle velocity by approx. 25.4 fps

  • .

    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.

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>>
91%
55361
98%
**90
100%
ADI AR 2208
<<locked>>
96%
55187
98%
**67
99%
Accurate 2015
<<locked>>
88%
56434
100%
**02
100%
Accurate 2200
<<locked>>
89%
55825
99%
**54
99%
Accurate 2230
<<locked>>
85%
55637
98%
**41
100%
Accurate 2460
<<locked>>
86%
56565
100%
**61
100%
Accurate 2495
<<locked>>
90%
55883
99%
**61
100%
Accurate 2520
<<locked>>
90%
56144
99%
**87
100%
Accurate 2700
<<locked>>
97%
55376
98%
**05
96%
Accurate 4064
<<locked>>
96%
55941
99%
**87
100%
Accurate 4350
<<locked>>
97%
42235
75%
**49
97%
Alliant AR-Comp
<<locked>>
90%
56318
100%
**48
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
55492
98%
**03
100%
Alliant Reloder-10x
<<locked>>
85%
55709
98%
**02
100%
Alliant Reloder-15
<<locked>>
95%
55898
99%
**13
99%
Alliant Reloder-16
<<locked>>
96%
42076
74%
**49
97%
Alliant Reloder-17
<<locked>>
97%
48573
86%
**00
99%
[Alliant Reloder-23]*
<<locked>>
96%
29791
53%
**87
93%
Baschieri & Pellagri 106
<<locked>>
84%
56188
99%
**62
100%
Baschieri & Pellagri 107 👍
<<locked>>
92%
56043
99%
**20
99%
Hodgdon BL-C2
<<locked>>
90%
55637
98%
**17
100%
Hodgdon Benchmark
<<locked>>
88%
55898
99%
**21
100%
Hodgdon CFE223
<<locked>>
95%
56449
100%
**62
99%
Hodgdon H322
<<locked>>
88%
55564
98%
**51
100%
Hodgdon H380
<<locked>>
96%
55347
98%
**00
99%
Hodgdon H414
<<locked>>
97%
50241
89%
**74
96%
[Hodgdon H4350]*
<<locked>>
96%
40886
72%
**38
92%
Hodgdon Hybrid 100V
<<locked>>
97%
38870
69%
**48
98%
Hodgdon LVR
<<locked>>
97%
46644
82%
**08
97%
[Hodgdon Superperformance]*
<<locked>>
97%
46514
82%
**15
94%
Hodgdon VARGET
<<locked>>
97%
55187
98%
**67
99%
IMR 3031
<<locked>>
95%
56391
100%
**00
100%
IMR 4064
<<locked>>
97%
54389
96%
**44
99%
IMR 4166 Enduron
<<locked>>
97%
54114
96%
**15
96%
IMR 4198
<<locked>>
84%
55492
98%
**52
100%
[IMR 4350]*
<<locked>>
97%
43961
78%
**97
93%
IMR 4451 Enduron
<<locked>>
97%
52025
92%
**08
96%
IMR 4831
<<locked>>
97%
35984
64%
**08
95%
IMR 4895 👍
<<locked>>
94%
55825
99%
**26
100%
IMR 8208 XBR
<<locked>>
90%
55622
98%
**57
100%
Lovex D073.4
<<locked>>
84%
55927
99%
**38
100%
Lovex D073.5
<<locked>>
86%
55782
99%
**48
100%
Lovex D073.6
<<locked>>
91%
55347
98%
**77
100%
Lovex S060
<<locked>>
91%
56275
99%
**31
100%
Lovex S062
<<locked>>
95%
55405
98%
**67
100%
Lovex S065
<<locked>>
96%
46949
83%
**43
96%
[Lovex S070]*
<<locked>>
96%
44411
79%
**16
94%
Norma 201
<<locked>>
92%
55883
99%
**57
100%
Norma 202
<<locked>>
92%
55811
99%
**61
100%
Norma 203B 👍
<<locked>>
95%
56246
99%
**20
100%
Norma URP
<<locked>>
96%
41930
74%
**36
97%
Ramshot Big Game 👍
<<locked>>
95%
56333
100%
**43
100%
[Ramshot Hunter]*
<<locked>>
97%
42090
74%
**36
94%
Ramshot TAC
<<locked>>
89%
55274
98%
**61
98%
Ramshot Wild Boar
<<locked>>
90%
56463
100%
**13
100%
Ramshot X-Terminator
<<locked>>
87%
55927
99%
**48
100%
ReloadSwiss RS 40
<<locked>>
86%
55666
98%
**48
100%
ReloadSwiss RS 50
<<locked>>
96%
56492
100%
**90
97%
ReloadSwiss RS 52 👍
<<locked>>
95%
55622
98%
**43
100%
ReloadSwiss RS 60
<<locked>>
97%
47297
84%
**90
100%
ReloadSwiss RS 62
<<locked>>
97%
42279
75%
**69
96%
ReloadSwiss RS 70
<<locked>>
97%
42989
76%
**72
95%
Rottweil R 901
<<locked>>
89%
56028
99%
**35
100%
Rottweil R 902
<<locked>>
94%
55651
98%
**54
100%
Rottweil R 903
<<locked>>
96%
51111
90%
**41
100%
Rottweil R 907
<<locked>>
96%
49400
87%
**69
95%
SNPE Vectan SP 11
<<locked>>
97%
53577
95%
**10
100%
SNPE Vectan SP 7
<<locked>>
90%
55579
98%
**64
98%
SNPE Vectan SP 9
<<locked>>
92%
55535
98%
**84
100%
SNPE Vectan Tubal 3000
<<locked>>
91%
56159
99%
**85
100%
SNPE Vectan Tubal 5000
<<locked>>
96%
54607
97%
**69
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
47195
83%
**03
95%
Shooters World Long Rifle
<<locked>>
96%
46949
83%
**43
96%
Shooters World Match Rifle
<<locked>>
91%
55347
98%
**77
100%
Shooters World Precision
<<locked>>
95%
55405
98%
**67
100%
Shooters World Tactical Rifle
<<locked>>
84%
55738
99%
**21
100%
Somchem S321
<<locked>>
87%
55825
99%
**77
100%
Somchem S335
<<locked>>
91%
55767
99%
**92
100%
Somchem S341
<<locked>>
91%
56072
99%
**80
100%
Somchem S355
<<locked>>
96%
51793
92%
**41
100%
Somchem S365
<<locked>>
97%
38174
67%
**07
99%
Vihtavuori N130
<<locked>>
88%
56434
100%
**59
100%
Vihtavuori N133
<<locked>>
94%
56492
100%
**79
100%
Vihtavuori N135
<<locked>>
97%
50430
89%
**66
100%
Vihtavuori N140
<<locked>>
94%
56347
100%
**44
100%
Vihtavuori N150
<<locked>>
97%
44773
79%
**07
100%
Vihtavuori N160
<<locked>>
97%
46789
83%
**79
97%
Vihtavuori N530
<<locked>>
88%
56362
100%
**77
100%
Vihtavuori N540
<<locked>>
94%
56057
99%
**71
100%
Vihtavuori N550
<<locked>>
96%
46876
83%
**21
98%
[Vihtavuori N555]*
<<locked>>
97%
31372
55%
**65
94%
Winchester 6.5 StaBALL
<<locked>>
97%
45861
81%
**39
99%
Winchester 748
<<locked>>
88%
56275
99%
**17
100%
Winchester 760
<<locked>>
97%
50241
89%
**74
96%
Winchester StaBALL Match
<<locked>>
85%
55956
99%
**07
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
40538
72%
**44
98%
ADI AR 2208
<<locked>>
81%
34360
61%
**00
95%
Accurate 2015
<<locked>>
81%
45847
81%
**54
100%
Accurate 2200
<<locked>>
81%
42482
75%
**44
96%
Accurate 2230
<<locked>>
81%
48399
86%
**36
99%
Accurate 2460
<<locked>>
81%
48211
85%
**39
100%
Accurate 2495
<<locked>>
81%
40698
72%
**44
100%
Accurate 2520
<<locked>>
81%
41307
73%
**70
100%
[Accurate 2700]*
<<locked>>
85%
37753
67%
**10
90%
Accurate 4064
<<locked>>
81%
34534
61%
**39
99%
[Accurate 4350]*
<<locked>>
83%
26368
47%
**92
90%
Alliant AR-Comp
<<locked>>
81%
41901
74%
**57
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
33518
59%
**20
97%
Alliant Reloder-10x
<<locked>>
81%
49777
88%
**23
100%
Alliant Reloder-15
<<locked>>
81%
36230
64%
**79
96%
[Alliant Reloder-16]*
<<locked>>
83%
28268
50%
**08
90%
[Alliant Reloder-17]*
<<locked>>
81%
29167
52%
**70
93%
[Alliant Reloder-23]*
<<locked>>
91%
25715
45%
**59
90%
Baschieri & Pellagri 106
<<locked>>
81%
51750
91%
**03
100%
Baschieri & Pellagri 107
<<locked>>
81%
39276
69%
**38
96%
Hodgdon BL-C2
<<locked>>
81%
41408
73%
**93
99%
Hodgdon Benchmark
<<locked>>
81%
44918
79%
**54
100%
[Hodgdon CFE223]*
<<locked>>
81%
34447
61%
**69
94%
Hodgdon H322
<<locked>>
81%
44889
79%
**97
100%
[Hodgdon H380]*
<<locked>>
81%
34055
60%
**20
93%
[Hodgdon H414]*
<<locked>>
86%
35027
62%
**75
90%
[Hodgdon H4350]*
<<locked>>
93%
37333
66%
**65
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
24192
43%
**70
90%
[Hodgdon LVR]*
<<locked>>
82%
29617
52%
**38
90%
[Hodgdon Superperformance]*
<<locked>>
91%
37869
67%
**44
90%
Hodgdon VARGET
<<locked>>
81%
34360
61%
**00
95%
IMR 3031
<<locked>>
81%
36463
64%
**92
100%
IMR 4064
<<locked>>
81%
33547
59%
**74
95%
[IMR 4166 Enduron]*
<<locked>>
82%
34708
61%
**57
90%
IMR 4198
<<locked>>
81%
50531
89%
**90
100%
[IMR 4350]*
<<locked>>
91%
36840
65%
**59
90%
[IMR 4451 Enduron]*
<<locked>>
84%
34925
62%
**93
90%
[IMR 4831]*
<<locked>>
87%
26905
48%
**82
90%
IMR 4895
<<locked>>
81%
37115
66%
**08
97%
IMR 8208 XBR
<<locked>>
81%
42757
76%
**57
99%
Lovex D073.4
<<locked>>
81%
49951
88%
**56
100%
Lovex D073.5
<<locked>>
81%
47688
84%
**36
100%
Lovex D073.6
<<locked>>
81%
39088
69%
**25
99%
Lovex S060
<<locked>>
81%
41307
73%
**92
98%
Lovex S062
<<locked>>
81%
35998
64%
**39
98%
[Lovex S065]*
<<locked>>
82%
30081
53%
**95
90%
[Lovex S070]*
<<locked>>
87%
33301
59%
**90
90%
Norma 201
<<locked>>
81%
39827
70%
**05
99%
Norma 202
<<locked>>
81%
39653
70%
**11
100%
Norma 203B
<<locked>>
81%
35607
63%
**65
96%
[Norma URP]*
<<locked>>
83%
27934
49%
**08
90%
Ramshot Big Game
<<locked>>
81%
35157
62%
**72
96%
[Ramshot Hunter]*
<<locked>>
89%
32996
58%
**33
90%
Ramshot TAC
<<locked>>
81%
42743
76%
**54
95%
Ramshot Wild Boar
<<locked>>
81%
41394
73%
**67
98%
Ramshot X-Terminator
<<locked>>
81%
45992
81%
**97
98%
ReloadSwiss RS 40
<<locked>>
81%
47543
84%
**36
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
34708
61%
**03
91%
ReloadSwiss RS 52
<<locked>>
81%
33910
60%
**69
98%
[ReloadSwiss RS 60]*
<<locked>>
81%
28471
50%
**47
94%
[ReloadSwiss RS 62]*
<<locked>>
85%
28703
51%
**51
90%
[ReloadSwiss RS 70]*
<<locked>>
88%
32198
57%
**26
90%
Rottweil R 901
<<locked>>
81%
43888
78%
**54
100%
Rottweil R 902
<<locked>>
81%
37782
67%
**56
98%
Rottweil R 903
<<locked>>
81%
31169
55%
**70
95%
[Rottweil R 907]*
<<locked>>
87%
36753
65%
**33
90%
SNPE Vectan SP 11
<<locked>>
81%
32010
57%
**06
95%
SNPE Vectan SP 7
<<locked>>
81%
40147
71%
**18
95%
SNPE Vectan SP 9
<<locked>>
81%
38899
69%
**11
97%
SNPE Vectan Tubal 3000
<<locked>>
81%
41553
73%
**69
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
34316
61%
**47
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
87%
33692
60%
**57
90%
[Shooters World Long Rifle]*
<<locked>>
82%
30081
53%
**95
90%
Shooters World Match Rifle
<<locked>>
81%
39088
69%
**25
99%
Shooters World Precision
<<locked>>
81%
35998
64%
**39
98%
Shooters World Tactical Rifle
<<locked>>
81%
50894
90%
**59
100%
Somchem S321
<<locked>>
81%
45629
81%
**26
100%
Somchem S335
<<locked>>
81%
40872
72%
**72
100%
Somchem S341
<<locked>>
81%
39958
71%
**25
97%
Somchem S355
<<locked>>
81%
32097
57%
**77
96%
[Somchem S365]*
<<locked>>
81%
23380
41%
**93
91%
Vihtavuori N130
<<locked>>
81%
45818
81%
**18
100%
Vihtavuori N133
<<locked>>
81%
39001
69%
**29
100%
Vihtavuori N135
<<locked>>
81%
31314
55%
**38
100%
Vihtavuori N140
<<locked>>
81%
37333
66%
**49
100%
Vihtavuori N150
<<locked>>
81%
27209
48%
**42
95%
[Vihtavuori N160]*
<<locked>>
81%
28326
50%
**85
90%
Vihtavuori N530
<<locked>>
81%
44585
79%
**03
99%
Vihtavuori N540
<<locked>>
81%
36564
65%
**56
99%
[Vihtavuori N550]*
<<locked>>
81%
28369
50%
**24
91%
[Vihtavuori N555]*
<<locked>>
91%
26310
47%
**18
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
27470
49%
**39
92%
Winchester 748
<<locked>>
81%
44730
79%
**46
100%
[Winchester 760]*
<<locked>>
86%
35027
62%
**75
90%
Winchester StaBALL Match
<<locked>>
81%
47718
84%
**89
99%

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.

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