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Load data for 7 mm Mag Fl. H.& H. + .284 | 150gr Hornady ECX

Recommended Powder(s): Alliant Reloder-17, ReloadSwiss RS 52, ReloadSwiss RS 60, Rottweil R 903, Somchem S365

7 mm Mag Fl. H.& H. + .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 Mag Fl. H.& H. load data
Case Length (l3):
2.500" | 63.5mm
Cartridge Length (C.O.L.):
2.934" | 74.5mm
Seated Depth:
0.886" | 22.5mm
Shank Seated Depth:
0.886" | 22.5mm
Case Capacity:
62.0 Grains of Water | 4.03 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
47863 psi | 3300 bar
LID:
LID_B1385_C1059
Last updated:
2025-01-01

Load data for 116 loads in caliber 7 mm Mag Fl. H.& H. with .284 | 150gr Hornady ECX bullet and 58 powders such as Alliant Reloder-17, ReloadSwiss RS 52, ReloadSwiss RS 60, Rottweil R 903, Somchem S365. 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 2208
87%
88%
97%
Accurate 2700
88%
88%
92%
Accurate 4064
87%
88%
100%
Accurate 4350
96%
90%
97%
Alliant Reloder- TS 15.5
88%
89%
99%
Alliant Reloder-15
85%
88%
98%
Alliant Reloder-16
96%
89%
97%
Alliant Reloder-17
92%
89%
99%
Alliant Reloder-23
97%
64%
94%
Alliant Reloder-26
97%
70%
92%
Hodgdon CFE223
87%
90%
97%
Hodgdon H380
87%
89%
96%
Hodgdon H414
91%
89%
94%
Hodgdon H4350
97%
88%
93%
Hodgdon Hybrid 100V
97%
84%
98%
Hodgdon LVR
93%
88%
96%
Hodgdon Superperformance
94%
90%
93%
Hodgdon VARGET
88%
89%
98%
IMR 3031
85%
88%
100%
IMR 4064
88%
89%
98%
IMR 4166 Enduron
88%
89%
94%
IMR 4350
95%
89%
93%
IMR 4451 Enduron
90%
89%
94%
IMR 4831
96%
77%
96%
IMR 4895
84%
89%
98%
Lovex S062
86%
90%
99%
Lovex S065
92%
89%
95%
Lovex S070
94%
88%
94%
Norma 203B
86%
89%
98%
Norma URP
96%
89%
97%
Ramshot Big Game
86%
90%
98%
Ramshot Hunter
97%
90%
95%
ReloadSwiss RS 50
86%
89%
94%
ReloadSwiss RS 52
86%
88%
99%
ReloadSwiss RS 60
92%
88%
99%
ReloadSwiss RS 62
97%
90%
97%
ReloadSwiss RS 70
96%
89%
96%
Rottweil R 902
84%
88%
99%
Rottweil R 903
90%
88%
99%
Rottweil R 907
91%
89%
93%
SNPE Vectan SP 11
89%
90%
98%
SNPE Vectan SP 9
83%
89%
98%
SNPE Vectan Tubal 5000
88%
90%
100%
SNPE Vectan Tubal 7000
93%
90%
94%
Shooters World Long Rifle
92%
89%
95%
Shooters World Precision
86%
90%
99%
Somchem S355
89%
90%
99%
Somchem S365
96%
81%
99%
Vihtavuori N133
83%
89%
100%
Vihtavuori N135
90%
89%
100%
Vihtavuori N140
85%
89%
100%
Vihtavuori N150
95%
90%
99%
Vihtavuori N160
93%
88%
97%
Vihtavuori N540
85%
90%
100%
Vihtavuori N550
92%
88%
97%
Vihtavuori N555
97%
68%
94%
Winchester 6.5 StaBALL
94%
90%
99%
Winchester 760
91%
89%
94%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
35491
74%
**29
95%
[Accurate 2700]*
<<locked>>
84%
36985
77%
**03
90%
Accurate 4064
<<locked>>
81%
35273
74%
**59
100%
[Accurate 4350]*
<<locked>>
82%
26556
55%
**95
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
34693
72%
**49
97%
Alliant Reloder-15
<<locked>>
81%
36985
77%
**02
96%
[Alliant Reloder-16]*
<<locked>>
82%
28282
59%
**18
90%
[Alliant Reloder-17]*
<<locked>>
81%
29936
63%
**97
94%
[Alliant Reloder-23]*
<<locked>>
90%
25498
53%
**59
90%
[Alliant Reloder-26]*
<<locked>>
94%
30690
64%
**59
90%
Hodgdon CFE223
<<locked>>
81%
35375
74%
**98
95%
[Hodgdon H380]*
<<locked>>
81%
34853
73%
**43
94%
[Hodgdon H414]*
<<locked>>
84%
34330
72%
**69
90%
[Hodgdon H4350]*
<<locked>>
92%
36274
76%
**52
90%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
24642
51%
**96
91%
[Hodgdon LVR]*
<<locked>>
81%
29066
61%
**28
90%
[Hodgdon Superperformance]*
<<locked>>
90%
37797
79%
**51
90%
Hodgdon VARGET
<<locked>>
81%
35114
73%
**20
95%
IMR 3031
<<locked>>
81%
37420
78%
**18
100%
IMR 4064
<<locked>>
81%
34766
73%
**06
95%
[IMR 4166 Enduron]*
<<locked>>
81%
35027
73%
**74
91%
[IMR 4350]*
<<locked>>
89%
35810
75%
**43
90%
[IMR 4451 Enduron]*
<<locked>>
83%
34330
72%
**83
90%
[IMR 4831]*
<<locked>>
86%
26426
55%
**72
90%
IMR 4895
<<locked>>
81%
37913
79%
**31
97%
Lovex S062
<<locked>>
81%
36680
77%
**62
98%
[Lovex S065]*
<<locked>>
81%
30110
63%
**01
90%
[Lovex S070]*
<<locked>>
86%
33185
69%
**97
90%
Norma 203B
<<locked>>
81%
36506
76%
**92
97%
[Norma URP]*
<<locked>>
82%
27267
57%
**92
90%
Ramshot Big Game
<<locked>>
81%
36201
76%
**02
96%
[Ramshot Hunter]*
<<locked>>
88%
32430
68%
**26
90%
[ReloadSwiss RS 50]*
<<locked>>
81%
35650
74%
**29
92%
ReloadSwiss RS 52
<<locked>>
81%
35128
73%
**05
98%
[ReloadSwiss RS 60]*
<<locked>>
81%
29211
61%
**80
94%
[ReloadSwiss RS 62]*
<<locked>>
84%
28311
59%
**51
90%
[ReloadSwiss RS 70]*
<<locked>>
86%
31560
66%
**13
90%
Rottweil R 902
<<locked>>
81%
38783
81%
**82
98%
Rottweil R 903
<<locked>>
81%
31923
67%
**90
96%
[Rottweil R 907]*
<<locked>>
85%
35694
75%
**20
90%
SNPE Vectan SP 11
<<locked>>
81%
33054
69%
**36
95%
SNPE Vectan SP 9
<<locked>>
81%
39972
84%
**41
98%
SNPE Vectan Tubal 5000
<<locked>>
81%
35012
73%
**67
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
85%
33156
69%
**51
90%
[Shooters World Long Rifle]*
<<locked>>
81%
30110
63%
**01
90%
Shooters World Precision
<<locked>>
81%
36680
77%
**62
98%
Somchem S355
<<locked>>
81%
32851
69%
**03
96%
[Somchem S365]*
<<locked>>
81%
23859
50%
**23
92%
Vihtavuori N133
<<locked>>
81%
39885
83%
**49
100%
Vihtavuori N135
<<locked>>
81%
32198
67%
**60
100%
Vihtavuori N140
<<locked>>
81%
38159
80%
**72
100%
Vihtavuori N150
<<locked>>
81%
27978
58%
**65
96%
[Vihtavuori N160]*
<<locked>>
81%
28964
61%
**11
91%
Vihtavuori N540
<<locked>>
81%
37826
79%
**88
100%
[Vihtavuori N550]*
<<locked>>
81%
28921
60%
**41
91%
[Vihtavuori N555]*
<<locked>>
89%
25686
54%
**05
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
28181
59%
**69
93%
[Winchester 760]*
<<locked>>
84%
34330
72%
**69
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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