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Load data for 7 mm Rem. Ultra Mag + .284 | 175gr | Sierra SBT GameKing

Recommended Powder(s): ADI AR 2218, Alliant Reloder-33, Alliant Reloder-50, IMR 8133 Enduron, Vihtavuori N570

7 mm Rem. Ultra Mag + .284 | 175gr | Sierra SBT GameKing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 175gr | Sierra SBT GameKing
Manufacturer SKU:
1940
Bullet Weight:
175gr | 11.3g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.394" | 35.4mm
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:
0.698" | 17.7mm
Shank Seated Depth:
0.473" | 12.0mm
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_B5854_C1063
Last updated:
2025-01-01
Recommended Twist Rate:
1:10 - 1:9

Load data for 62 loads in caliber 7 mm Rem. Ultra Mag with .284 | 175gr | Sierra SBT GameKing bullet and 31 powders such as ADI AR 2218, Alliant Reloder-33, Alliant Reloder-50, IMR 8133 Enduron, Vihtavuori N570. 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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    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 2217
<<locked>>
90%
57377
90%
**99
100%
ADI AR 2218 👍
<<locked>>
94%
57116
89%
**20
100%
ADI AR 2225
<<locked>>
92%
57305
90%
**18
100%
Accurate 8700
<<locked>>
97%
51430
81%
**17
98%
Alliant Reloder-25
<<locked>>
86%
57232
90%
**85
100%
Alliant Reloder-33 👍
<<locked>>
91%
57363
90%
**64
100%
Alliant Reloder-50 👍
<<locked>>
94%
57276
90%
**51
99%
[Hodgdon 50BMG]*
<<locked>>
97%
55724
87%
**95
92%
Hodgdon H1000
<<locked>>
90%
57377
90%
**99
100%
Hodgdon H4831
<<locked>>
85%
57029
89%
**66
100%
Hodgdon Retumbo
<<locked>>
92%
57305
90%
**18
100%
Hodgdon US 869
<<locked>>
97%
56014
88%
**79
96%
Hodgdon TrailBoss
<<locked>>
97%
36608
57%
**95
100%
IMR 4955 Enduron
<<locked>>
83%
56942
89%
**46
100%
IMR 7977 Enduron
<<locked>>
88%
57232
90%
**30
97%
IMR 8133 Enduron 👍
<<locked>>
95%
57392
90%
**31
100%
Lovex D100
<<locked>>
91%
56898
89%
**43
96%
Lovex S071
<<locked>>
87%
57058
89%
**07
100%
Norma 217
<<locked>>
94%
57101
89%
**15
100%
Ramshot LRT
<<locked>>
94%
57319
90%
**51
96%
ReloadSwiss RS 14
<<locked>>
96%
37463
59%
**31
100%
ReloadSwiss RS 76
<<locked>>
86%
57043
89%
**51
100%
ReloadSwiss RS 80
<<locked>>
88%
57392
90%
**41
100%
SNPE Vectan SP 13
<<locked>>
97%
53301
84%
**33
98%
Vihtavuori 20N29
<<locked>>
97%
52257
82%
**20
97%
Vihtavuori 24N41
<<locked>>
94%
57072
89%
**08
96%
Vihtavuori N165
<<locked>>
85%
56985
89%
**23
100%
Vihtavuori N170
<<locked>>
93%
57421
90%
**69
99%
Vihtavuori N565
<<locked>>
85%
57377
90%
**08
100%
Vihtavuori N568
<<locked>>
88%
57305
90%
**38
100%
Vihtavuori N570 👍
<<locked>>
89%
56884
89%
**71
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2217
<<locked>>
81%
41162
64%
**43
99%
[ADI AR 2218]*
<<locked>>
81%
35375
55%
**77
93%
ADI AR 2225
<<locked>>
81%
38406
60%
**20
100%
[Accurate 8700]*
<<locked>>
83%
31111
49%
**06
90%
Alliant Reloder-25
<<locked>>
81%
47790
75%
**57
100%
Alliant Reloder-33
<<locked>>
81%
39726
62%
**39
95%
[Alliant Reloder-50]*
<<locked>>
81%
34606
54%
**11
92%
[Hodgdon 50BMG]*
<<locked>>
94%
49792
78%
**94
90%
Hodgdon H1000
<<locked>>
81%
41162
64%
**43
99%
Hodgdon H4831
<<locked>>
81%
49922
78%
**67
100%
Hodgdon Retumbo
<<locked>>
81%
38406
60%
**20
100%
[Hodgdon US 869]*
<<locked>>
88%
40669
64%
**03
90%
Hodgdon TrailBoss
<<locked>>
81%
29240
46%
**44
100%
IMR 4955 Enduron
<<locked>>
81%
53447
84%
**00
100%
[IMR 7977 Enduron]*
<<locked>>
81%
45614
71%
**43
94%
IMR 8133 Enduron
<<locked>>
81%
35665
56%
**48
98%
[Lovex D100]*
<<locked>>
81%
39987
63%
**51
91%
Lovex S071
<<locked>>
81%
47079
74%
**66
100%
Norma 217
<<locked>>
81%
36637
57%
**67
99%
[Ramshot LRT]*
<<locked>>
84%
40321
63%
**46
90%
ReloadSwiss RS 14
<<locked>>
81%
30095
47%
**83
100%
ReloadSwiss RS 76
<<locked>>
81%
47688
75%
**13
100%
ReloadSwiss RS 80
<<locked>>
81%
43584
68%
**12
99%
[SNPE Vectan SP 13]*
<<locked>>
82%
31459
49%
**93
90%
[Vihtavuori 20N29]*
<<locked>>
87%
35433
56%
**95
90%
[Vihtavuori 24N41]*
<<locked>>
84%
40741
64%
**20
90%
Vihtavuori N165
<<locked>>
81%
50589
79%
**35
100%
[Vihtavuori N170]*
<<locked>>
81%
38885
61%
**44
94%
Vihtavuori N565
<<locked>>
81%
49124
77%
**74
100%
Vihtavuori N568
<<locked>>
81%
44179
69%
**21
98%
Vihtavuori N570
<<locked>>
81%
42699
67%
**15
96%

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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