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Load data for 7 mm Weath. Mag. + .284 | 140gr | Sierra HPBT GameKing

Recommended Powder(s): Alliant Reloder-26, Ramshot Hunter, Somchem S385, Vihtavuori N555, Winchester StaBALL HD

7 mm Weath. Mag. + .284 | 140gr | Sierra HPBT GameKing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 140gr | Sierra HPBT GameKing
Manufacturer SKU:
1902
Bullet Weight:
140gr | 9.1g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.310" | 33.3mm
Caliber:
7 mm Weath. Mag. load data
Case Length (l3):
2.549" | 64.7mm
Cartridge Length (C.O.L.):
3.310" | 84.1mm
Seated Depth:
0.549" | 14.0mm
Shank Seated Depth:
0.379" | 9.6mm
Case Capacity:
87.0 Grains of Water | 5.65 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B5838_C1070
Last updated:
2025-01-01
Recommended Twist Rate:
1:10 - 1:9

Load data for 144 loads in caliber 7 mm Weath. Mag. with .284 | 140gr | Sierra HPBT GameKing bullet and 72 powders such as Alliant Reloder-26, Ramshot Hunter, Somchem S385, Vihtavuori N555, Winchester StaBALL HD. 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 2208
<<locked>>
84%
56797
89%
**15
100%
ADI AR 2209
<<locked>>
94%
57058
89%
**14
99%
ADI AR 2213
<<locked>>
97%
56159
88%
**30
98%
[ADI AR 2217]*
<<locked>>
97%
40872
64%
**08
93%
ADI AR 2225
<<locked>>
97%
36056
56%
**46
95%
Accurate 2700
<<locked>>
85%
57232
90%
**79
99%
Accurate 3100
<<locked>>
97%
55564
87%
**31
100%
Accurate 4350
<<locked>>
89%
56956
89%
**77
100%
Accurate MAGPRO
<<locked>>
97%
55216
87%
**23
96%
Alliant Reloder- TS 15.5
<<locked>>
83%
57058
89%
**18
100%
Alliant Reloder-16
<<locked>>
90%
56739
89%
**10
100%
Alliant Reloder-17
<<locked>>
86%
56927
89%
**14
100%
Alliant Reloder-19
<<locked>>
95%
57217
90%
**00
99%
Alliant Reloder-22
<<locked>>
97%
55579
87%
**17
99%
Alliant Reloder-23
<<locked>>
97%
52533
82%
**38
100%
Alliant Reloder-25
<<locked>>
97%
45614
71%
**76
99%
Alliant Reloder-26 👍
<<locked>>
95%
56985
89%
**92
100%
[Hodgdon H1000]*
<<locked>>
97%
40872
64%
**08
93%
Hodgdon H414
<<locked>>
85%
56826
89%
**00
100%
Hodgdon H4350
<<locked>>
92%
56855
89%
**38
99%
Hodgdon H4831
<<locked>>
97%
51416
81%
**86
96%
Hodgdon H4831 SC
<<locked>>
96%
57087
89%
**84
97%
Hodgdon Hybrid 100V
<<locked>>
92%
56985
89%
**31
100%
Hodgdon LVR
<<locked>>
87%
57043
89%
**81
100%
Hodgdon Retumbo
<<locked>>
97%
36056
56%
**46
95%
Hodgdon Superperformance
<<locked>>
87%
57087
89%
**23
99%
Hodgdon VARGET
<<locked>>
84%
57188
90%
**15
100%
Hodgdon TrailBoss
<<locked>>
96%
34867
55%
**80
100%
IMR 4064
<<locked>>
85%
57305
90%
**15
100%
IMR 4166 Enduron
<<locked>>
85%
56652
89%
**05
100%
IMR 4350
<<locked>>
90%
57203
90%
**48
99%
IMR 4451 Enduron
<<locked>>
86%
56782
89%
**22
99%
IMR 4831
<<locked>>
94%
56942
89%
**54
100%
IMR 4955 Enduron
<<locked>>
97%
56956
89%
**51
97%
IMR 7828 SSC
<<locked>>
97%
57319
90%
**66
98%
Lovex S065
<<locked>>
88%
57116
89%
**18
100%
Lovex S070
<<locked>>
89%
57290
90%
**45
100%
Lovex S071
<<locked>>
97%
46296
73%
**67
99%
Norma 204
<<locked>>
90%
56637
89%
**74
98%
[Norma 217]*
<<locked>>
97%
32126
50%
**57
92%
Norma MRP
<<locked>>
96%
57145
90%
**79
100%
Norma URP
<<locked>>
90%
57174
90%
**81
100%
Ramshot Hunter 👍
<<locked>>
90%
56811
89%
**97
100%
Ramshot Magnum
<<locked>>
97%
53998
85%
**74
99%
ReloadSwiss RS 14
<<locked>>
96%
35563
56%
**26
100%
ReloadSwiss RS 60
<<locked>>
87%
57363
90%
**43
100%
ReloadSwiss RS 62
<<locked>>
89%
56869
89%
**87
100%
ReloadSwiss RS 70
<<locked>>
89%
56739
89%
**50
100%
ReloadSwiss RS 76
<<locked>>
97%
44367
70%
**86
98%
Rottweil R 903
<<locked>>
84%
57087
89%
**18
100%
Rottweil R 904
<<locked>>
94%
57276
90%
**58
98%
Rottweil R 905
<<locked>>
95%
56579
89%
**00
99%
Rottweil R 907
<<locked>>
87%
57087
89%
**28
99%
SNPE Vectan SP 11
<<locked>>
84%
57406
90%
**58
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
57348
90%
**90
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
56898
89%
**82
100%
Shooters World Long Rifle
<<locked>>
88%
57116
89%
**18
100%
Somchem S355
<<locked>>
85%
56884
89%
**12
100%
Somchem S361
<<locked>>
93%
57261
90%
**15
97%
Somchem S365
<<locked>>
92%
57363
90%
**87
100%
Somchem S385 👍
<<locked>>
94%
56869
89%
**64
99%
Vihtavuori N135
<<locked>>
86%
56710
89%
**17
100%
Vihtavuori N150
<<locked>>
90%
57334
90%
**79
100%
Vihtavuori N160
<<locked>>
87%
57392
90%
**41
100%
Vihtavuori N165
<<locked>>
97%
51648
81%
**56
98%
Vihtavuori N550
<<locked>>
87%
56811
89%
**71
100%
Vihtavuori N555 👍
<<locked>>
96%
56797
89%
**04
100%
Vihtavuori N560
<<locked>>
97%
55593
87%
**43
97%
Vihtavuori N565
<<locked>>
97%
47268
74%
**63
95%
Winchester 6.5 StaBALL
<<locked>>
88%
56739
89%
**05
100%
Winchester 760
<<locked>>
85%
56826
89%
**00
100%
Winchester StaBALL HD 👍
<<locked>>
97%
49226
77%
**14
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
52373
82%
**46
100%
[ADI AR 2209]*
<<locked>>
81%
36622
57%
**87
93%
[ADI AR 2213]*
<<locked>>
83%
35520
56%
**80
90%
[ADI AR 2217]*
<<locked>>
92%
35027
55%
**54
90%
[ADI AR 2225]*
<<locked>>
90%
29443
46%
**36
90%
Accurate 2700
<<locked>>
81%
50763
80%
**67
98%
Accurate 3100
<<locked>>
81%
32416
51%
**62
95%
Accurate 4350
<<locked>>
81%
43816
69%
**44
99%
[Accurate MAGPRO]*
<<locked>>
87%
39160
61%
**95
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
53345
84%
**63
100%
Alliant Reloder-16
<<locked>>
81%
41930
66%
**48
99%
Alliant Reloder-17
<<locked>>
81%
48515
76%
**86
100%
[Alliant Reloder-19]*
<<locked>>
81%
36651
57%
**94
93%
[Alliant Reloder-22]*
<<locked>>
81%
32401
51%
**18
91%
Alliant Reloder-23
<<locked>>
81%
31082
49%
**92
98%
[Alliant Reloder-25]*
<<locked>>
81%
27224
43%
**64
92%
Alliant Reloder-26
<<locked>>
81%
33852
53%
**17
97%
[Hodgdon H1000]*
<<locked>>
92%
35027
55%
**54
90%
Hodgdon H414
<<locked>>
81%
49530
78%
**63
99%
Hodgdon H4350
<<locked>>
81%
40466
63%
**26
96%
[Hodgdon H4831]*
<<locked>>
86%
35897
56%
**48
90%
[Hodgdon H4831 SC]*
<<locked>>
82%
35708
56%
**44
90%
Hodgdon Hybrid 100V
<<locked>>
81%
39755
62%
**40
100%
Hodgdon LVR
<<locked>>
81%
46354
73%
**90
99%
[Hodgdon Retumbo]*
<<locked>>
90%
29443
46%
**36
90%
Hodgdon Superperformance
<<locked>>
81%
44701
70%
**00
97%
Hodgdon VARGET
<<locked>>
81%
51895
81%
**30
100%
Hodgdon TrailBoss
<<locked>>
81%
27920
44%
**26
100%
IMR 4064
<<locked>>
81%
51314
80%
**20
100%
IMR 4166 Enduron
<<locked>>
81%
50241
79%
**94
99%
IMR 4350
<<locked>>
81%
42424
66%
**72
97%
IMR 4451 Enduron
<<locked>>
81%
48312
76%
**77
98%
IMR 4831
<<locked>>
81%
37913
59%
**03
98%
[IMR 4955 Enduron]*
<<locked>>
81%
34896
55%
**85
90%
[IMR 7828 SSC]*
<<locked>>
83%
35259
55%
**87
90%
Lovex S065
<<locked>>
81%
45977
72%
**28
99%
Lovex S070
<<locked>>
81%
44135
69%
**12
98%
[Lovex S071]*
<<locked>>
81%
27644
43%
**15
92%
Norma 204
<<locked>>
81%
42047
66%
**95
95%
[Norma 217]*
<<locked>>
94%
29573
46%
**82
90%
[Norma MRP]*
<<locked>>
81%
33808
53%
**87
94%
Norma URP
<<locked>>
81%
43178
68%
**25
99%
Ramshot Hunter
<<locked>>
81%
41829
66%
**18
98%
[Ramshot Magnum]*
<<locked>>
81%
29878
47%
**23
90%
ReloadSwiss RS 14
<<locked>>
81%
28601
45%
**68
100%
ReloadSwiss RS 60
<<locked>>
81%
46731
73%
**76
100%
ReloadSwiss RS 62
<<locked>>
81%
43671
68%
**64
99%
ReloadSwiss RS 70
<<locked>>
81%
42090
66%
**67
99%
[ReloadSwiss RS 76]*
<<locked>>
86%
30081
47%
**85
90%
Rottweil R 903
<<locked>>
81%
50894
80%
**27
100%
[Rottweil R 904]*
<<locked>>
81%
38218
60%
**84
92%
[Rottweil R 905]*
<<locked>>
81%
35781
56%
**71
93%
Rottweil R 907
<<locked>>
81%
47094
74%
**48
98%
SNPE Vectan SP 11
<<locked>>
81%
52243
82%
**82
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
51285
80%
**05
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
45121
71%
**72
98%
Shooters World Long Rifle
<<locked>>
81%
45977
72%
**28
99%
Somchem S355
<<locked>>
81%
50952
80%
**20
100%
[Somchem S361]*
<<locked>>
81%
38870
61%
**61
92%
Somchem S365
<<locked>>
81%
39755
62%
**85
100%
Somchem S385
<<locked>>
81%
36419
57%
**61
95%
Vihtavuori N135
<<locked>>
81%
49298
77%
**08
100%
Vihtavuori N150
<<locked>>
81%
43859
69%
**56
100%
Vihtavuori N160
<<locked>>
81%
46485
73%
**54
100%
[Vihtavuori N165]*
<<locked>>
81%
30589
48%
**93
91%
Vihtavuori N550
<<locked>>
81%
46876
73%
**97
100%
Vihtavuori N555
<<locked>>
81%
34809
55%
**74
98%
[Vihtavuori N560]*
<<locked>>
84%
35795
56%
**10
90%
[Vihtavuori N565]*
<<locked>>
88%
34432
54%
**71
90%
Winchester 6.5 StaBALL
<<locked>>
81%
43656
68%
**85
100%
Winchester 760
<<locked>>
81%
49530
78%
**63
99%
Winchester StaBALL HD
<<locked>>
81%
25512
40%
**66
97%

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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