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Load data for 7 mm Rem. Ultra Mag + .284 | 125gr | Lehigh Defense Controlled Chaos

Recommended Powder(s): Hodgdon H4831, IMR 7828 SSC, ReloadSwiss RS 76, ReloadSwiss RS 80, Vihtavuori N560

7 mm Rem. Ultra Mag + .284 | 125gr | Lehigh Defense Controlled Chaos

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 125gr | Lehigh Defense Controlled Chaos
Manufacturer SKU:
Bullet Weight:
125gr | 8.1g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.260" | 32.0mm
Caliber:
7 mm Rem. Ultra Mag load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.546" | 90.1mm
Seated Depth:
0.564" | 14.3mm
Shank Seated Depth:
0.407" | 10.3mm
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_B11014_C1063
Last updated:
2025-11-05
Recommended Twist Rate:
1:10 - 1:9

Load data for 92 loads in caliber 7 mm Rem. Ultra Mag with .284 | 125gr | Lehigh Defense Controlled Chaos bullet and 46 powders such as Hodgdon H4831, IMR 7828 SSC, ReloadSwiss RS 76, ReloadSwiss RS 80, Vihtavuori N560. 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 2209
<<locked>>
86%
56739
89%
**50
100%
ADI AR 2213
<<locked>>
88%
56913
89%
**76
99%
ADI AR 2217
<<locked>>
97%
57276
90%
**73
100%
ADI AR 2218
<<locked>>
97%
50053
78%
**17
95%
ADI AR 2225
<<locked>>
97%
52257
82%
**20
100%
Accurate 3100
<<locked>>
88%
56869
89%
**81
100%
Accurate MAGPRO
<<locked>>
88%
57232
90%
**86
98%
Alliant Reloder-19
<<locked>>
86%
56985
89%
**53
100%
Alliant Reloder-22
<<locked>>
88%
57392
90%
**73
100%
Alliant Reloder-23
<<locked>>
89%
57029
89%
**10
100%
Alliant Reloder-25
<<locked>>
93%
57217
90%
**76
100%
Alliant Reloder-26
<<locked>>
85%
57232
90%
**89
100%
Alliant Reloder-33
<<locked>>
97%
55521
87%
**79
97%
[Alliant Reloder-50]*
<<locked>>
97%
47732
75%
**05
94%
Hodgdon H1000
<<locked>>
97%
57276
90%
**73
100%
Hodgdon H4350
<<locked>>
84%
57377
90%
**04
100%
Hodgdon H4831 👍
<<locked>>
91%
57246
90%
**33
99%
Hodgdon H4831 SC
<<locked>>
87%
56927
89%
**33
99%
Hodgdon Hybrid 100V
<<locked>>
84%
57188
90%
**74
100%
Hodgdon Retumbo
<<locked>>
97%
52257
82%
**20
100%
Hodgdon TrailBoss
<<locked>>
96%
35650
56%
**70
100%
IMR 4831
<<locked>>
85%
56942
89%
**97
100%
IMR 4955 Enduron
<<locked>>
89%
56869
89%
**07
99%
IMR 7828 SSC 👍
<<locked>>
87%
57116
90%
**86
99%
[IMR 7977 Enduron]*
<<locked>>
93%
57130
90%
**48
94%
IMR 8133 Enduron
<<locked>>
97%
47761
75%
**18
98%
[Lovex D100]*
<<locked>>
97%
56869
89%
**58
92%
Lovex S071
<<locked>>
93%
57101
89%
**81
100%
Norma 217
<<locked>>
97%
48443
76%
**45
100%
Norma MRP
<<locked>>
86%
56956
89%
**86
100%
Ramshot Magnum
<<locked>>
88%
57290
90%
**30
100%
ReloadSwiss RS 14
<<locked>>
96%
36579
57%
**16
100%
ReloadSwiss RS 76 👍
<<locked>>
93%
57101
89%
**32
100%
ReloadSwiss RS 80 👍
<<locked>>
95%
57377
90%
**92
99%
Rottweil R 904
<<locked>>
85%
56855
89%
**20
99%
Rottweil R 905
<<locked>>
86%
57276
90%
**46
100%
Somchem S361
<<locked>>
84%
57014
89%
**64
99%
Somchem S385
<<locked>>
86%
56956
89%
**04
100%
Vihtavuori N165
<<locked>>
91%
57159
90%
**87
100%
Vihtavuori N170
<<locked>>
97%
53200
83%
**35
95%
Vihtavuori N555
<<locked>>
86%
56869
89%
**27
100%
Vihtavuori N560 👍
<<locked>>
88%
57203
90%
**96
99%
Vihtavuori N565
<<locked>>
92%
56811
89%
**59
99%
Vihtavuori N568
<<locked>>
95%
57145
90%
**02
98%
Vihtavuori N570
<<locked>>
96%
57421
90%
**25
97%
Winchester StaBALL HD
<<locked>>
89%
57130
90%
**02
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
48559
76%
**05
99%
ADI AR 2213
<<locked>>
81%
43584
68%
**33
96%
[ADI AR 2217]*
<<locked>>
81%
32300
51%
**38
92%
[ADI AR 2218]*
<<locked>>
91%
39798
62%
**67
90%
[ADI AR 2225]*
<<locked>>
81%
29762
47%
**98
94%
Accurate 3100
<<locked>>
81%
44338
69%
**67
100%
Accurate MAGPRO
<<locked>>
81%
43787
69%
**33
95%
Alliant Reloder-19
<<locked>>
81%
48399
76%
**02
99%
Alliant Reloder-22
<<locked>>
81%
44367
70%
**49
98%
Alliant Reloder-23
<<locked>>
81%
43047
67%
**94
100%
Alliant Reloder-25
<<locked>>
81%
37072
58%
**99
99%
Alliant Reloder-26
<<locked>>
81%
49081
77%
**64
100%
[Alliant Reloder-33]*
<<locked>>
87%
37840
59%
**15
90%
[Alliant Reloder-50]*
<<locked>>
92%
39073
61%
**25
90%
[Hodgdon H1000]*
<<locked>>
81%
32300
51%
**38
92%
Hodgdon H4350
<<locked>>
81%
51576
81%
**12
100%
Hodgdon H4831
<<locked>>
81%
40814
64%
**28
95%
Hodgdon H4831 SC
<<locked>>
81%
45469
71%
**20
96%
Hodgdon Hybrid 100V
<<locked>>
81%
52388
82%
**99
100%
[Hodgdon Retumbo]*
<<locked>>
81%
29762
47%
**98
94%
Hodgdon TrailBoss
<<locked>>
81%
28485
45%
**06
100%
IMR 4831
<<locked>>
81%
49850
78%
**86
100%
IMR 4955 Enduron
<<locked>>
81%
44483
70%
**81
96%
IMR 7828 SSC
<<locked>>
81%
45194
71%
**82
97%
[IMR 7977 Enduron]*
<<locked>>
87%
46412
73%
**61
90%
[IMR 8133 Enduron]*
<<locked>>
84%
30095
47%
**98
90%
[Lovex D100]*
<<locked>>
93%
49588
78%
**36
90%
Lovex S071
<<locked>>
81%
38043
60%
**43
98%
[Norma 217]*
<<locked>>
81%
27195
43%
**30
91%
Norma MRP
<<locked>>
81%
47514
74%
**28
99%
Ramshot Magnum
<<locked>>
81%
42366
66%
**71
98%
ReloadSwiss RS 14
<<locked>>
81%
29356
46%
**52
100%
ReloadSwiss RS 76
<<locked>>
81%
35853
56%
**02
97%
[ReloadSwiss RS 80]*
<<locked>>
81%
33112
52%
**80
90%
Rottweil R 904
<<locked>>
81%
49269
77%
**79
98%
Rottweil R 905
<<locked>>
81%
47979
75%
**95
99%
Somchem S361
<<locked>>
81%
50749
80%
**69
98%
Somchem S385
<<locked>>
81%
48414
76%
**66
99%
Vihtavuori N165
<<locked>>
81%
40886
64%
**05
98%
[Vihtavuori N170]*
<<locked>>
89%
41336
65%
**99
90%
Vihtavuori N555
<<locked>>
81%
47674
75%
**79
100%
Vihtavuori N560
<<locked>>
81%
44657
70%
**66
96%
[Vihtavuori N565]*
<<locked>>
81%
38783
61%
**05
94%
[Vihtavuori N568]*
<<locked>>
81%
34374
54%
**26
90%
[Vihtavuori N570]*
<<locked>>
86%
39508
62%
**71
90%
Winchester StaBALL HD
<<locked>>
81%
41234
65%
**40
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.

<<locked>>... you need to buy an access license to unlock the data

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