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

Recommended Powder(s): Alliant Reloder-26, Norma 204, Ramshot Hunter, Vihtavuori N555, Winchester StaBALL HD

7 mm PRC + .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 PRC load data
Case Length (l3):
2.280" | 57.9mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.300" | 7.6mm
Shank Seated Depth:
0.130" | 3.3mm
Case Capacity:
82.0 Grains of Water | 5.32 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
64977 psi | 4480 bar
LID:
LID_B5838_C1049
Last updated:
2025-02-02
Recommended Twist Rate:
1:10 - 1:9

Load data for 146 loads in caliber 7 mm PRC with .284 | 140gr | Sierra HPBT GameKing bullet and 73 powders such as Alliant Reloder-26, Norma 204, Ramshot Hunter, 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>>
85%
57711
89%
**25
100%
ADI AR 2209
<<locked>>
95%
58146
89%
**20
99%
ADI AR 2213
<<locked>>
97%
54882
84%
**00
97%
[ADI AR 2217]*
<<locked>>
97%
39987
62%
**76
93%
ADI AR 2225
<<locked>>
97%
35737
55%
**33
95%
Accurate 2700
<<locked>>
85%
57841
89%
**82
99%
Accurate 3100
<<locked>>
97%
54897
84%
**18
100%
Accurate 4350
<<locked>>
90%
57957
89%
**87
100%
Accurate MAGPRO
<<locked>>
97%
53998
83%
**97
95%
Alliant Reloder- TS 15.5
<<locked>>
84%
58044
89%
**31
100%
Alliant Reloder-16
<<locked>>
91%
57624
89%
**27
100%
Alliant Reloder-17
<<locked>>
86%
57885
89%
**30
100%
Alliant Reloder-19
<<locked>>
96%
58276
90%
**20
99%
Alliant Reloder-22
<<locked>>
97%
54404
84%
**91
98%
Alliant Reloder-23
<<locked>>
97%
51909
80%
**28
100%
Alliant Reloder-25
<<locked>>
97%
44454
68%
**40
99%
Alliant Reloder-26 👍
<<locked>>
96%
57667
89%
**96
100%
[Hodgdon H1000]*
<<locked>>
97%
39987
62%
**76
93%
Hodgdon H380
<<locked>>
83%
58146
89%
**51
100%
Hodgdon H414
<<locked>>
86%
57943
89%
**07
100%
Hodgdon H4350
<<locked>>
93%
57957
89%
**54
99%
Hodgdon H4831
<<locked>>
97%
50502
78%
**56
95%
Hodgdon H4831 SC
<<locked>>
97%
57464
88%
**81
97%
Hodgdon Hybrid 100V
<<locked>>
93%
57972
89%
**48
100%
Hodgdon LVR
<<locked>>
88%
57986
89%
**84
100%
Hodgdon Retumbo
<<locked>>
97%
35737
55%
**33
95%
Hodgdon Superperformance
<<locked>>
88%
58291
90%
**46
100%
Hodgdon VARGET
<<locked>>
85%
58102
89%
**28
100%
Hodgdon TrailBoss
<<locked>>
97%
35099
54%
**80
100%
IMR 4064
<<locked>>
85%
58363
90%
**18
100%
IMR 4166 Enduron
<<locked>>
86%
58363
90%
**22
100%
IMR 4350
<<locked>>
91%
58160
90%
**51
99%
IMR 4451 Enduron
<<locked>>
87%
58146
89%
**38
100%
IMR 4831
<<locked>>
95%
58117
89%
**74
100%
IMR 4955 Enduron
<<locked>>
97%
56478
87%
**38
97%
IMR 7828 SSC
<<locked>>
97%
56869
88%
**43
98%
Lovex S065
<<locked>>
89%
58059
89%
**31
100%
Lovex S070
<<locked>>
90%
58131
89%
**61
100%
Lovex S071
<<locked>>
97%
45281
70%
**44
99%
Norma 204 👍
<<locked>>
91%
57841
89%
**94
99%
Norma MRP
<<locked>>
97%
57769
89%
**79
100%
Norma URP
<<locked>>
91%
58160
90%
**97
100%
Ramshot Hunter 👍
<<locked>>
91%
58465
90%
**17
100%
Ramshot Magnum
<<locked>>
97%
53534
82%
**68
99%
ReloadSwiss RS 14
<<locked>>
96%
35505
55%
**16
100%
ReloadSwiss RS 50
<<locked>>
83%
57856
89%
**41
100%
ReloadSwiss RS 60
<<locked>>
88%
58334
90%
**59
100%
ReloadSwiss RS 62
<<locked>>
90%
58102
89%
**00
100%
ReloadSwiss RS 70
<<locked>>
90%
57827
89%
**59
100%
ReloadSwiss RS 76
<<locked>>
97%
43540
67%
**63
98%
Rottweil R 903
<<locked>>
85%
57899
89%
**31
100%
Rottweil R 904
<<locked>>
95%
58334
90%
**64
98%
Rottweil R 905
<<locked>>
96%
57870
89%
**14
99%
Rottweil R 907
<<locked>>
88%
57899
89%
**41
99%
SNPE Vectan SP 11
<<locked>>
85%
58276
90%
**71
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
57885
89%
**97
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
58218
90%
**92
100%
Shooters World Long Rifle
<<locked>>
89%
58059
89%
**31
100%
Somchem S355
<<locked>>
85%
57899
89%
**28
100%
Somchem S361
<<locked>>
94%
58465
90%
**38
97%
Somchem S365
<<locked>>
93%
58247
90%
**94
100%
Somchem S385
<<locked>>
95%
57885
89%
**74
99%
Vihtavuori N135
<<locked>>
87%
57914
89%
**30
100%
Vihtavuori N150
<<locked>>
91%
58117
89%
**89
100%
Vihtavuori N160
<<locked>>
88%
58218
90%
**54
100%
Vihtavuori N165
<<locked>>
97%
50372
78%
**36
98%
Vihtavuori N550
<<locked>>
88%
57754
89%
**87
100%
Vihtavuori N555 👍
<<locked>>
97%
57943
89%
**20
100%
Vihtavuori N560
<<locked>>
97%
54926
85%
**30
97%
Vihtavuori N565
<<locked>>
97%
46659
72%
**49
95%
Winchester 6.5 StaBALL
<<locked>>
89%
57798
89%
**12
100%
Winchester 760
<<locked>>
86%
57943
89%
**07
100%
Winchester StaBALL HD 👍
<<locked>>
97%
47776
74%
**87
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
51677
80%
**23
100%
[ADI AR 2209]*
<<locked>>
81%
36303
56%
**80
93%
[ADI AR 2213]*
<<locked>>
84%
35549
55%
**80
90%
[ADI AR 2217]*
<<locked>>
93%
35592
55%
**57
90%
[ADI AR 2225]*
<<locked>>
91%
29820
46%
**36
90%
Accurate 2700
<<locked>>
81%
49748
77%
**54
98%
[Accurate 3100]*
<<locked>>
81%
31850
49%
**36
94%
Accurate 4350
<<locked>>
81%
43105
66%
**22
99%
[Accurate MAGPRO]*
<<locked>>
88%
39842
61%
**12
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
52591
81%
**49
100%
Alliant Reloder-16
<<locked>>
81%
41365
64%
**35
99%
Alliant Reloder-17
<<locked>>
81%
47848
74%
**69
100%
[Alliant Reloder-19]*
<<locked>>
81%
36114
56%
**67
93%
[Alliant Reloder-22]*
<<locked>>
81%
31894
49%
**92
91%
Alliant Reloder-23
<<locked>>
81%
30632
47%
**69
98%
[Alliant Reloder-25]*
<<locked>>
81%
26803
41%
**48
91%
Alliant Reloder-26
<<locked>>
81%
33069
51%
**00
96%
[Hodgdon H1000]*
<<locked>>
93%
35592
55%
**57
90%
Hodgdon H380
<<locked>>
81%
53505
82%
**82
100%
Hodgdon H414
<<locked>>
81%
48936
75%
**56
99%
Hodgdon H4350
<<locked>>
81%
39885
61%
**13
96%
[Hodgdon H4831]*
<<locked>>
86%
36216
56%
**54
90%
[Hodgdon H4831 SC]*
<<locked>>
83%
36216
56%
**54
90%
Hodgdon Hybrid 100V
<<locked>>
81%
39059
60%
**13
100%
Hodgdon LVR
<<locked>>
81%
45687
70%
**67
99%
[Hodgdon Retumbo]*
<<locked>>
91%
29820
46%
**36
90%
Hodgdon Superperformance
<<locked>>
81%
44193
68%
**84
97%
Hodgdon VARGET
<<locked>>
81%
51445
79%
**23
100%
Hodgdon TrailBoss
<<locked>>
81%
28050
43%
**22
100%
IMR 4064
<<locked>>
81%
50807
78%
**00
100%
IMR 4166 Enduron
<<locked>>
81%
49574
76%
**71
99%
IMR 4350
<<locked>>
81%
41843
64%
**59
96%
IMR 4451 Enduron
<<locked>>
81%
48051
74%
**67
98%
IMR 4831
<<locked>>
81%
37246
57%
**87
98%
[IMR 4955 Enduron]*
<<locked>>
82%
35317
54%
**95
90%
[IMR 7828 SSC]*
<<locked>>
83%
35302
54%
**74
90%
Lovex S065
<<locked>>
81%
45455
70%
**18
99%
Lovex S070
<<locked>>
81%
43642
67%
**92
98%
[Lovex S071]*
<<locked>>
81%
27369
42%
**05
92%
Norma 204
<<locked>>
81%
41495
64%
**85
95%
[Norma MRP]*
<<locked>>
81%
33025
51%
**57
93%
Norma URP
<<locked>>
81%
42511
65%
**12
99%
Ramshot Hunter
<<locked>>
81%
41263
63%
**95
98%
[Ramshot Magnum]*
<<locked>>
81%
29907
46%
**26
90%
ReloadSwiss RS 14
<<locked>>
81%
28514
44%
**62
100%
ReloadSwiss RS 50
<<locked>>
81%
53432
82%
**69
99%
ReloadSwiss RS 60
<<locked>>
81%
46093
71%
**56
100%
ReloadSwiss RS 62
<<locked>>
81%
42931
66%
**41
99%
ReloadSwiss RS 70
<<locked>>
81%
41466
64%
**58
99%
[ReloadSwiss RS 76]*
<<locked>>
86%
30255
47%
**85
90%
Rottweil R 903
<<locked>>
81%
50299
77%
**07
100%
[Rottweil R 904]*
<<locked>>
81%
37652
58%
**67
92%
[Rottweil R 905]*
<<locked>>
81%
35186
54%
**54
93%
Rottweil R 907
<<locked>>
81%
46572
72%
**38
98%
SNPE Vectan SP 11
<<locked>>
81%
51605
79%
**63
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
51097
79%
**99
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
44585
69%
**59
98%
Shooters World Long Rifle
<<locked>>
81%
45455
70%
**18
99%
Somchem S355
<<locked>>
81%
50357
78%
**00
100%
[Somchem S361]*
<<locked>>
81%
38348
59%
**51
91%
Somchem S365
<<locked>>
81%
39044
60%
**72
100%
[Somchem S385]*
<<locked>>
81%
35868
55%
**38
94%
Vihtavuori N135
<<locked>>
81%
48936
75%
**08
100%
Vihtavuori N150
<<locked>>
81%
43265
67%
**43
100%
Vihtavuori N160
<<locked>>
81%
45861
71%
**44
100%
[Vihtavuori N165]*
<<locked>>
81%
30081
46%
**80
91%
Vihtavuori N550
<<locked>>
81%
46253
71%
**87
100%
Vihtavuori N555
<<locked>>
81%
34272
53%
**61
98%
[Vihtavuori N560]*
<<locked>>
84%
35824
55%
**10
90%
[Vihtavuori N565]*
<<locked>>
88%
35070
54%
**80
90%
Winchester 6.5 StaBALL
<<locked>>
81%
43178
66%
**82
100%
Winchester 760
<<locked>>
81%
48936
75%
**56
99%
Winchester StaBALL HD
<<locked>>
81%
24903
38%
**52
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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