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Load data for 7 mm Rem. Mag. + .284 | 150gr Hornady ECX

Recommended Powder(s):

7 mm Rem. Mag. + .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:
<<locked>>
Caliber:
7 mm Rem. Mag. load data
Case Length (l3):
2.500" | 63.5mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
82.0 Grains of Water | 5.32 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B1385_C1064
Last updated:
2026-01-20

Load data for 166 loads in caliber 7 mm Rem. Mag. with .284 | 150gr Hornady ECX bullet and 83 powder(s). 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 2208
<<locked>>
86%
56014
90%
**54
100%
ADI AR 2209
<<locked>>
96%
55666
89%
**46
98%
ADI AR 2213
<<locked>>
97%
50067
80%
**77
96%
[ADI AR 2225]*
<<locked>>
97%
32474
52%
**23
92%
Accurate 2700
<<locked>>
86%
55666
89%
**15
99%
Accurate 3100
<<locked>>
97%
49327
79%
**05
99%
Accurate 4064
<<locked>>
83%
55753
89%
**22
100%
Accurate 4350
<<locked>>
91%
56115
90%
**23
100%
[Accurate MAGPRO]*
<<locked>>
97%
48501
78%
**71
93%
Alliant Reloder- TS 15.5
<<locked>>
85%
55898
90%
**67
100%
Alliant Reloder-16
<<locked>>
93%
55695
89%
**69
100%
Alliant Reloder-17
<<locked>>
88%
55724
89%
**69
100%
Alliant Reloder-19
<<locked>>
97%
55245
89%
**36
98%
Alliant Reloder-22
<<locked>>
97%
49240
79%
**87
97%
Alliant Reloder-23
<<locked>>
97%
46412
74%
**22
100%
Alliant Reloder-25
<<locked>>
97%
41031
66%
**49
98%
Alliant Reloder-26 👍
<<locked>>
97%
53983
87%
**28
100%
[Baschieri & Pellagri 109]*
<<locked>>
97%
50183
80%
**95
92%
Bofors RP15
<<locked>>
97%
45629
73%
**15
96%
Bofors RP3
<<locked>>
84%
55811
89%
**71
100%
[Bofors RP30]*
<<locked>>
97%
36912
59%
**48
92%
Bofors RP5
<<locked>>
97%
49240
79%
**87
97%
Bofors RP7
<<locked>>
89%
55854
90%
**67
99%
Hodgdon CFE223
<<locked>>
83%
56028
90%
**23
100%
Hodgdon H380
<<locked>>
84%
55376
89%
**81
100%
Hodgdon H414
<<locked>>
87%
55506
89%
**36
99%
Hodgdon H4350
<<locked>>
94%
55825
90%
**87
99%
[Hodgdon H4831]*
<<locked>>
97%
46441
74%
**56
94%
Hodgdon H4831 SC
<<locked>>
97%
52547
84%
**67
96%
Hodgdon Hybrid 100V
<<locked>>
94%
55463
89%
**81
100%
Hodgdon LVR
<<locked>>
89%
55405
89%
**20
100%
[Hodgdon Retumbo]*
<<locked>>
97%
32474
52%
**23
92%
Hodgdon Superperformance 👍
<<locked>>
90%
55985
90%
**76
99%
Hodgdon VARGET
<<locked>>
86%
55709
89%
**54
100%
Hodgdon TrailBoss
<<locked>>
97%
35056
56%
**62
100%
IMR 4064
<<locked>>
86%
55796
89%
**51
100%
IMR 4166 Enduron
<<locked>>
87%
55245
89%
**35
99%
IMR 4350
<<locked>>
92%
56014
90%
**84
99%
IMR 4451 Enduron
<<locked>>
88%
55753
89%
**71
99%
IMR 4831
<<locked>>
96%
55854
90%
**10
100%
IMR 4955 Enduron
<<locked>>
97%
51735
83%
**15
96%
IMR 7828 SSC
<<locked>>
97%
51605
83%
**27
96%
Lovex S062
<<locked>>
83%
55376
89%
**31
100%
Lovex S065
<<locked>>
89%
55071
88%
**58
100%
Lovex S070
<<locked>>
91%
55521
89%
**81
99%
Lovex S071
<<locked>>
97%
41959
67%
**71
98%
Norma 203B
<<locked>>
83%
55898
90%
**81
100%
Norma 204
<<locked>>
92%
55840
90%
**30
98%
Norma MRP
<<locked>>
97%
52199
84%
**69
99%
Norma URP
<<locked>>
91%
55274
89%
**17
100%
Ramshot Grand
<<locked>>
97%
55434
89%
**99
98%
Ramshot Hunter 👍
<<locked>>
92%
55738
89%
**46
100%
Ramshot Magnum
<<locked>>
97%
48124
77%
**44
98%
ReloadSwiss RS 14
<<locked>>
96%
35520
57%
**98
100%
ReloadSwiss RS 50
<<locked>>
84%
55854
90%
**74
100%
ReloadSwiss RS 60
<<locked>>
86%
55419
89%
**63
100%
ReloadSwiss RS 62 👍
<<locked>>
91%
55216
89%
**40
100%
ReloadSwiss RS 70 👍
<<locked>>
92%
55201
89%
**89
100%
ReloadSwiss RS 76
<<locked>>
97%
39639
64%
**49
96%
Rottweil R 903
<<locked>>
87%
56086
90%
**71
100%
Rottweil R 904
<<locked>>
96%
55651
89%
**90
97%
Rottweil R 905
<<locked>>
97%
54984
88%
**36
98%
Rottweil R 907
<<locked>>
89%
55854
90%
**67
99%
SNPE Vectan SP 11
<<locked>>
86%
56115
90%
**07
100%
SNPE Vectan Tubal 5000
<<locked>>
86%
55999
90%
**36
100%
SNPE Vectan Tubal 7000
<<locked>>
90%
55419
89%
**12
99%
Shooters World Long Rifle
<<locked>>
89%
55071
88%
**58
100%
Shooters World Precision
<<locked>>
83%
55376
89%
**31
100%
Somchem S355
<<locked>>
86%
55767
89%
**67
100%
Somchem S361
<<locked>>
94%
55361
89%
**58
96%
Somchem S365
<<locked>>
94%
55535
89%
**30
100%
Somchem S385
<<locked>>
97%
55172
88%
**04
99%
Vihtavuori N135
<<locked>>
87%
55419
89%
**72
100%
Vihtavuori N150
<<locked>>
91%
55782
89%
**22
100%
Vihtavuori N160
<<locked>>
89%
55579
89%
**81
100%
Vihtavuori N165
<<locked>>
97%
46470
75%
**46
97%
Vihtavuori N550
<<locked>>
89%
55463
89%
**17
100%
Vihtavuori N555
<<locked>>
97%
52083
84%
**00
100%
Vihtavuori N560
<<locked>>
97%
50038
80%
**07
96%
[Vihtavuori N565]*
<<locked>>
97%
41771
67%
**40
93%
Winchester 6.5 StaBALL
<<locked>>
91%
55898
90%
**64
100%
Winchester 760
<<locked>>
87%
55506
89%
**36
99%
Winchester StaBALL HD
<<locked>>
97%
40959
66%
**71
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
48747
78%
**43
100%
[ADI AR 2209]*
<<locked>>
81%
33808
54%
**00
91%
[ADI AR 2213]*
<<locked>>
86%
35766
57%
**69
90%
[ADI AR 2225]*
<<locked>>
94%
30066
48%
**48
90%
Accurate 2700
<<locked>>
81%
47065
75%
**77
97%
[Accurate 3100]*
<<locked>>
81%
29080
47%
**69
93%
Accurate 4064
<<locked>>
81%
51808
83%
**69
100%
Accurate 4350
<<locked>>
81%
39494
63%
**38
99%
[Accurate MAGPRO]*
<<locked>>
91%
39987
64%
**97
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
49255
79%
**62
100%
Alliant Reloder-16
<<locked>>
81%
38450
62%
**44
99%
Alliant Reloder-17
<<locked>>
81%
43540
70%
**66
100%
[Alliant Reloder-19]*
<<locked>>
81%
33417
54%
**90
91%
[Alliant Reloder-22]*
<<locked>>
82%
30922
50%
**67
90%
Alliant Reloder-23
<<locked>>
81%
28152
45%
**98
97%
[Alliant Reloder-25]*
<<locked>>
82%
25802
41%
**06
90%
Alliant Reloder-26
<<locked>>
81%
30182
48%
**03
95%
[Baschieri & Pellagri 109]*
<<locked>>
93%
45440
73%
**03
90%
[Bofors RP15]*
<<locked>>
85%
31270
50%
**70
90%
Bofors RP3
<<locked>>
81%
49821
80%
**76
100%
[Bofors RP30]*
<<locked>>
94%
33504
54%
**62
90%
[Bofors RP5]*
<<locked>>
82%
30922
50%
**67
90%
Bofors RP7
<<locked>>
81%
43540
70%
**51
97%
Hodgdon CFE223
<<locked>>
81%
51822
83%
**54
100%
Hodgdon H380
<<locked>>
81%
50256
81%
**99
100%
Hodgdon H414
<<locked>>
81%
45092
72%
**56
98%
Hodgdon H4350
<<locked>>
81%
37130
60%
**30
95%
[Hodgdon H4831]*
<<locked>>
89%
36550
59%
**39
90%
[Hodgdon H4831 SC]*
<<locked>>
86%
36898
59%
**49
90%
Hodgdon Hybrid 100V
<<locked>>
81%
36042
58%
**36
99%
Hodgdon LVR
<<locked>>
81%
42134
68%
**87
99%
[Hodgdon Retumbo]*
<<locked>>
94%
30066
48%
**48
90%
Hodgdon Superperformance
<<locked>>
81%
40480
65%
**97
96%
Hodgdon VARGET
<<locked>>
81%
48327
77%
**36
100%
Hodgdon TrailBoss
<<locked>>
85%
29631
48%
**50
100%
IMR 4064
<<locked>>
81%
47790
77%
**13
100%
IMR 4166 Enduron
<<locked>>
81%
46601
75%
**87
98%
IMR 4350
<<locked>>
81%
39291
63%
**79
95%
IMR 4451 Enduron
<<locked>>
81%
44933
72%
**77
98%
IMR 4831
<<locked>>
81%
34432
55%
**03
97%
[IMR 4955 Enduron]*
<<locked>>
84%
35708
57%
**93
90%
[IMR 7828 SSC]*
<<locked>>
86%
35563
57%
**79
90%
Lovex S062
<<locked>>
81%
51329
82%
**66
100%
Lovex S065
<<locked>>
81%
42482
68%
**35
98%
Lovex S070
<<locked>>
81%
40741
65%
**15
97%
[Lovex S071]*
<<locked>>
81%
25005
40%
**44
90%
Norma 203B
<<locked>>
81%
51663
83%
**15
100%
[Norma 204]*
<<locked>>
81%
38522
62%
**02
94%
[Norma MRP]*
<<locked>>
81%
30618
49%
**80
92%
Norma URP
<<locked>>
81%
39465
63%
**35
99%
[Ramshot Grand]*
<<locked>>
84%
34737
56%
**66
90%
Ramshot Hunter
<<locked>>
81%
38043
61%
**12
97%
[Ramshot Magnum]*
<<locked>>
84%
30211
48%
**28
90%
ReloadSwiss RS 14
<<locked>>
81%
28166
45%
**47
100%
ReloadSwiss RS 50
<<locked>>
81%
50096
80%
**79
99%
ReloadSwiss RS 60
<<locked>>
81%
46253
74%
**18
100%
ReloadSwiss RS 62
<<locked>>
81%
39320
63%
**51
98%
ReloadSwiss RS 70
<<locked>>
81%
38276
61%
**64
98%
[ReloadSwiss RS 76]*
<<locked>>
89%
30429
49%
**80
90%
Rottweil R 903
<<locked>>
81%
46847
75%
**30
100%
[Rottweil R 904]*
<<locked>>
81%
35114
56%
**87
91%
[Rottweil R 905]*
<<locked>>
81%
32590
52%
**77
91%
Rottweil R 907
<<locked>>
81%
43540
70%
**51
97%
SNPE Vectan SP 11
<<locked>>
81%
47964
77%
**76
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
47790
77%
**21
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
41756
67%
**79
97%
Shooters World Long Rifle
<<locked>>
81%
42482
68%
**35
98%
Shooters World Precision
<<locked>>
81%
51329
82%
**66
100%
Somchem S355
<<locked>>
81%
46978
75%
**20
100%
[Somchem S361]*
<<locked>>
81%
36201
58%
**87
90%
Somchem S365
<<locked>>
81%
35897
58%
**89
100%
[Somchem S385]*
<<locked>>
81%
33069
53%
**64
93%
Vihtavuori N135
<<locked>>
81%
45600
73%
**28
100%
Vihtavuori N150
<<locked>>
81%
40538
65%
**75
100%
Vihtavuori N160
<<locked>>
81%
42511
68%
**61
99%
[Vihtavuori N165]*
<<locked>>
83%
29312
47%
**52
90%
Vihtavuori N550
<<locked>>
81%
43279
69%
**10
99%
Vihtavuori N555
<<locked>>
81%
31183
50%
**80
97%
[Vihtavuori N560]*
<<locked>>
87%
35882
58%
**05
90%
[Vihtavuori N565]*
<<locked>>
91%
35012
56%
**85
90%
Winchester 6.5 StaBALL
<<locked>>
81%
39769
64%
**95
100%
Winchester 760
<<locked>>
81%
45092
72%
**56
98%
Winchester StaBALL HD
<<locked>>
81%
24990
40%
**65
95%

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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