top of page

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

Recommended Powder(s): ADI AR 2217, ADI AR 2225, Hodgdon H1000, Hodgdon Retumbo, Vihtavuori N565

7 mm Rem. Ultra 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:
1.320" | 33.5mm
Caliber:
7 mm Rem. Ultra Mag load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.240" | 82.3mm
Seated Depth:
0.930" | 23.6mm
Shank Seated Depth:
0.930" | 23.6mm
Case Capacity:
112.0 Grains of Water | 7.27 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B1385_C1063
Last updated:
2025-01-01

Load data for 94 loads in caliber 7 mm Rem. Ultra Mag with .284 | 150gr Hornady ECX bullet and 47 powders such as ADI AR 2217, ADI AR 2225, Hodgdon H1000, Hodgdon Retumbo, Vihtavuori N565. 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

  • .

    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 2209
<<locked>>
84%
56971
89%
**53
100%
ADI AR 2213
<<locked>>
87%
57043
89%
**82
100%
ADI AR 2217 👍
<<locked>>
95%
57319
90%
**79
100%
ADI AR 2218
<<locked>>
97%
53214
83%
**05
98%
ADI AR 2225 👍
<<locked>>
97%
55651
87%
**89
100%
Accurate 3100
<<locked>>
87%
56898
89%
**77
100%
[Accurate 8700]*
<<locked>>
97%
42163
66%
**97
94%
Accurate MAGPRO
<<locked>>
87%
57174
90%
**99
99%
Alliant Reloder-19
<<locked>>
84%
57217
90%
**49
100%
Alliant Reloder-22
<<locked>>
86%
56942
89%
**76
100%
Alliant Reloder-23
<<locked>>
88%
57421
90%
**20
100%
Alliant Reloder-25
<<locked>>
91%
57290
90%
**79
100%
Alliant Reloder-26
<<locked>>
83%
57363
90%
**86
100%
Alliant Reloder-33
<<locked>>
96%
56724
89%
**15
98%
Alliant Reloder-50
<<locked>>
97%
51140
80%
**10
97%
Hodgdon H1000 👍
<<locked>>
95%
57319
90%
**79
100%
Hodgdon H4831
<<locked>>
90%
57392
90%
**46
100%
Hodgdon H4831 SC
<<locked>>
86%
57392
90%
**46
100%
Hodgdon Retumbo 👍
<<locked>>
97%
55651
87%
**89
100%
Hodgdon TrailBoss
<<locked>>
96%
35882
56%
**96
100%
IMR 4831
<<locked>>
84%
56985
89%
**90
100%
IMR 4955 Enduron
<<locked>>
87%
57319
90%
**20
100%
IMR 7828 SSC
<<locked>>
86%
57261
90%
**92
100%
IMR 7977 Enduron
<<locked>>
92%
56739
89%
**64
95%
IMR 8133 Enduron
<<locked>>
97%
51082
80%
**10
100%
[Lovex D100]*
<<locked>>
95%
57159
90%
**94
94%
Lovex S071
<<locked>>
91%
56898
89%
**77
100%
Norma 217
<<locked>>
97%
51982
81%
**23
100%
Norma MRP
<<locked>>
85%
57348
90%
**92
100%
[Ramshot LRT]*
<<locked>>
97%
53069
83%
**27
92%
Ramshot Magnum
<<locked>>
87%
56913
89%
**43
100%
ReloadSwiss RS 14
<<locked>>
97%
37173
58%
**42
100%
ReloadSwiss RS 76
<<locked>>
91%
57072
89%
**31
100%
ReloadSwiss RS 80
<<locked>>
93%
57421
90%
**15
100%
Rottweil R 904
<<locked>>
84%
56681
89%
**13
100%
Rottweil R 905
<<locked>>
84%
56985
89%
**40
100%
[SNPE Vectan SP 13]*
<<locked>>
97%
44222
69%
**20
94%
Somchem S385
<<locked>>
84%
57363
90%
**10
100%
[Vihtavuori 24N41]*
<<locked>>
97%
53272
83%
**94
92%
Vihtavuori N165
<<locked>>
89%
56869
89%
**90
100%
Vihtavuori N170
<<locked>>
97%
55506
87%
**90
97%
Vihtavuori N555
<<locked>>
85%
57014
89%
**17
100%
Vihtavuori N560
<<locked>>
86%
57159
90%
**09
100%
Vihtavuori N565 👍
<<locked>>
90%
57072
89%
**69
100%
Vihtavuori N568
<<locked>>
93%
57087
89%
**09
99%
Vihtavuori N570
<<locked>>
94%
57043
89%
**48
98%
Winchester StaBALL HD
<<locked>>
87%
57334
90%
**89
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
51169
80%
**58
100%
ADI AR 2213
<<locked>>
81%
46485
73%
**12
99%
ADI AR 2217
<<locked>>
81%
34650
54%
**49
95%
[ADI AR 2218]*
<<locked>>
86%
35897
56%
**18
90%
ADI AR 2225
<<locked>>
81%
31981
50%
**16
97%
Accurate 3100
<<locked>>
81%
47210
74%
**33
100%
[Accurate 8700]*
<<locked>>
92%
35578
56%
**43
90%
Accurate MAGPRO
<<locked>>
81%
46876
73%
**18
97%
Alliant Reloder-19
<<locked>>
81%
51213
80%
**61
100%
Alliant Reloder-22
<<locked>>
81%
47181
74%
**08
99%
Alliant Reloder-23
<<locked>>
81%
45948
72%
**49
100%
Alliant Reloder-25
<<locked>>
81%
39769
62%
**90
100%
Alliant Reloder-26
<<locked>>
81%
52721
83%
**20
100%
[Alliant Reloder-33]*
<<locked>>
82%
33997
53%
**59
90%
[Alliant Reloder-50]*
<<locked>>
87%
35404
55%
**85
90%
Hodgdon H1000
<<locked>>
81%
34650
54%
**49
95%
Hodgdon H4831
<<locked>>
81%
43337
68%
**00
97%
Hodgdon H4831 SC
<<locked>>
81%
48109
75%
**89
98%
Hodgdon Retumbo
<<locked>>
81%
31981
50%
**16
97%
Hodgdon TrailBoss
<<locked>>
81%
28747
45%
**42
100%
IMR 4831
<<locked>>
81%
52663
83%
**25
100%
IMR 4955 Enduron
<<locked>>
81%
46862
73%
**40
98%
IMR 7828 SSC
<<locked>>
81%
48312
76%
**51
99%
[IMR 7977 Enduron]*
<<locked>>
82%
41321
65%
**89
90%
[IMR 8133 Enduron]*
<<locked>>
81%
29341
46%
**34
92%
[Lovex D100]*
<<locked>>
89%
44730
70%
**84
90%
Lovex S071
<<locked>>
81%
40379
63%
**12
100%
Norma 217
<<locked>>
81%
29530
46%
**61
95%
Norma MRP
<<locked>>
81%
50401
79%
**84
100%
[Ramshot LRT]*
<<locked>>
93%
46760
73%
**15
90%
Ramshot Magnum
<<locked>>
81%
45643
72%
**56
100%
ReloadSwiss RS 14
<<locked>>
81%
29515
46%
**85
100%
ReloadSwiss RS 76
<<locked>>
81%
38711
61%
**20
99%
[ReloadSwiss RS 80]*
<<locked>>
81%
35520
56%
**92
94%
Rottweil R 904
<<locked>>
81%
51822
81%
**38
99%
Rottweil R 905
<<locked>>
81%
50720
79%
**48
100%
[SNPE Vectan SP 13]*
<<locked>>
91%
36129
57%
**49
90%
Somchem S385
<<locked>>
81%
51155
80%
**12
100%
[Vihtavuori 24N41]*
<<locked>>
93%
46876
73%
**79
90%
Vihtavuori N165
<<locked>>
81%
43511
68%
**67
99%
[Vihtavuori N170]*
<<locked>>
85%
37347
59%
**46
90%
Vihtavuori N555
<<locked>>
81%
50749
80%
**22
100%
Vihtavuori N560
<<locked>>
81%
47485
74%
**41
98%
Vihtavuori N565
<<locked>>
81%
41742
65%
**00
97%
[Vihtavuori N568]*
<<locked>>
81%
36622
57%
**21
94%
[Vihtavuori N570]*
<<locked>>
81%
35056
55%
**95
90%
Winchester StaBALL HD
<<locked>>
81%
44933
70%
**08
100%

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.

bottom of page