top of page

Load data for 7 mm PRC + .284 | 150gr | Sierra SBT GameKing

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Alliant Reloder-26, Norma MRP, Rottweil R 905

7 mm PRC + .284 | 150gr | Sierra SBT GameKing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 150gr | Sierra SBT GameKing
Manufacturer SKU:
1913
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.200" | 30.5mm
Caliber:
7 mm PRC load data
Case Length (l3):
2.280" | 57.9mm
Cartridge Length (C.O.L.):
3.217" | 81.7mm
Seated Depth:
0.263" | 6.7mm
Shank Seated Depth:
0.122" | 3.1mm
Case Capacity:
82.0 Grains of Water | 5.32 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
64977 psi | 4480 bar
LID:
LID_B5843_C1049
Last updated:
Mon Jul 14 2025 12:39:51 GMT+0000 (Coordinated Universal Time)
Recommended Twist Rate:
1:12 - 1:10

Load data for 144 loads in caliber 7 mm PRC with .284 | 150gr | Sierra SBT GameKing bullet and 72 powders such as ADI AR 2209, Alliant Reloder-19, Alliant Reloder-26, Norma MRP, Rottweil R 905. 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".

  • No data yet

  • .

    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>>
83%
58218
90%
**40
100%
ADI AR 2209 👍
<<locked>>
93%
58204
90%
**41
99%
ADI AR 2213
<<locked>>
97%
58088
89%
**68
99%
ADI AR 2217
<<locked>>
97%
43033
66%
**85
95%
ADI AR 2225
<<locked>>
97%
38072
59%
**33
97%
Accurate 2700
<<locked>>
84%
57986
89%
**00
100%
Accurate 3100
<<locked>>
96%
57856
89%
**66
100%
Accurate 4350
<<locked>>
88%
58233
90%
**92
100%
Accurate MAGPRO
<<locked>>
97%
57696
89%
**74
97%
Alliant Reloder-16
<<locked>>
89%
57899
89%
**38
100%
Alliant Reloder-17
<<locked>>
85%
58175
90%
**28
100%
Alliant Reloder-19 👍
<<locked>>
94%
58378
90%
**28
99%
Alliant Reloder-22
<<locked>>
97%
58001
89%
**74
99%
Alliant Reloder-23
<<locked>>
97%
55608
86%
**95
100%
Alliant Reloder-25
<<locked>>
97%
48254
74%
**36
100%
Alliant Reloder-26 👍
<<locked>>
94%
58131
89%
**10
100%
Hodgdon H1000
<<locked>>
97%
43033
66%
**85
95%
Hodgdon H414
<<locked>>
84%
58015
89%
**22
100%
Hodgdon H4350
<<locked>>
91%
57870
89%
**63
100%
Hodgdon H4831
<<locked>>
97%
54273
84%
**43
97%
Hodgdon H4831 SC
<<locked>>
95%
58436
90%
**09
98%
Hodgdon Hybrid 100V
<<locked>>
91%
58160
90%
**49
100%
Hodgdon LVR
<<locked>>
86%
57986
89%
**95
100%
Hodgdon Retumbo
<<locked>>
97%
38072
59%
**33
97%
Hodgdon Superperformance
<<locked>>
86%
58088
89%
**51
100%
Hodgdon VARGET
<<locked>>
83%
57696
89%
**33
100%
Hodgdon TrailBoss
<<locked>>
96%
35230
54%
**24
100%
IMR 4064
<<locked>>
84%
58044
89%
**23
100%
IMR 4166 Enduron
<<locked>>
85%
58001
89%
**33
100%
IMR 4350
<<locked>>
90%
58073
89%
**69
100%
IMR 4451 Enduron
<<locked>>
85%
57783
89%
**53
100%
IMR 4831
<<locked>>
93%
58088
89%
**82
100%
IMR 4955 Enduron
<<locked>>
96%
57725
89%
**76
98%
IMR 7828 SSC
<<locked>>
96%
58305
90%
**87
99%
Lovex S065
<<locked>>
87%
57885
89%
**43
100%
Lovex S070
<<locked>>
88%
58175
90%
**72
100%
Lovex S071
<<locked>>
97%
49153
76%
**38
100%
Norma 204
<<locked>>
89%
58073
89%
**12
99%
[Norma 217]*
<<locked>>
97%
33982
52%
**44
94%
Norma MRP 👍
<<locked>>
95%
57885
89%
**94
100%
Norma URP
<<locked>>
89%
58305
90%
**95
100%
Ramshot Hunter
<<locked>>
89%
58363
90%
**22
100%
Ramshot Magnum
<<locked>>
97%
57348
88%
**41
100%
ReloadSwiss RS 14
<<locked>>
97%
36332
56%
**73
100%
ReloadSwiss RS 60
<<locked>>
85%
57885
89%
**54
100%
ReloadSwiss RS 62
<<locked>>
88%
58247
90%
**12
100%
ReloadSwiss RS 70
<<locked>>
89%
58146
89%
**64
100%
ReloadSwiss RS 76
<<locked>>
97%
47152
73%
**72
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
42554
65%
**35
94%
Rottweil R 903
<<locked>>
84%
57870
89%
**33
100%
Rottweil R 904
<<locked>>
93%
58218
90%
**86
99%
Rottweil R 905 👍
<<locked>>
94%
57914
89%
**28
99%
Rottweil R 907
<<locked>>
86%
57798
89%
**43
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
58349
90%
**05
100%
SNPE Vectan Tubal 7000
<<locked>>
87%
57812
89%
**04
100%
Shooters World Long Rifle
<<locked>>
87%
57885
89%
**43
100%
Somchem S355
<<locked>>
84%
58436
90%
**36
100%
Somchem S361
<<locked>>
92%
58334
90%
**49
98%
Somchem S365
<<locked>>
90%
58073
89%
**92
100%
Somchem S385
<<locked>>
94%
58146
89%
**92
100%
Vihtavuori N135
<<locked>>
85%
57841
89%
**41
100%
Vihtavuori N150
<<locked>>
89%
57928
89%
**94
100%
Vihtavuori N160
<<locked>>
86%
58465
90%
**59
100%
Vihtavuori N165
<<locked>>
97%
54375
84%
**23
99%
Vihtavuori N550
<<locked>>
86%
58276
90%
**02
100%
Vihtavuori N555
<<locked>>
95%
58465
90%
**28
100%
Vihtavuori N560
<<locked>>
97%
58349
90%
**00
98%
Vihtavuori N565
<<locked>>
97%
50444
78%
**36
97%
[Vihtavuori N568]*
<<locked>>
97%
43976
68%
**61
94%
Winchester 6.5 StaBALL
<<locked>>
88%
57870
89%
**23
100%
Winchester 760
<<locked>>
84%
58015
89%
**22
100%
Winchester StaBALL HD
<<locked>>
97%
52953
82%
**74
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
54317
84%
**84
100%
ADI AR 2209
<<locked>>
81%
38537
59%
**61
95%
[ADI AR 2213]*
<<locked>>
81%
34229
53%
**75
91%
[ADI AR 2217]*
<<locked>>
89%
32924
51%
**26
90%
[ADI AR 2225]*
<<locked>>
87%
27891
43%
**18
90%
Accurate 2700
<<locked>>
81%
52750
81%
**22
99%
Accurate 3100
<<locked>>
81%
34214
53%
**23
96%
Accurate 4350
<<locked>>
81%
46050
71%
**92
100%
[Accurate MAGPRO]*
<<locked>>
84%
37043
57%
**57
90%
Alliant Reloder-16
<<locked>>
81%
44063
68%
**05
100%
Alliant Reloder-17
<<locked>>
81%
51111
79%
**27
100%
Alliant Reloder-19
<<locked>>
81%
38421
59%
**57
95%
[Alliant Reloder-22]*
<<locked>>
81%
34113
53%
**82
93%
Alliant Reloder-23
<<locked>>
81%
32953
51%
**59
99%
[Alliant Reloder-25]*
<<locked>>
81%
28674
44%
**51
94%
Alliant Reloder-26
<<locked>>
81%
35969
55%
**00
98%
[Hodgdon H1000]*
<<locked>>
89%
32924
51%
**26
90%
Hodgdon H414
<<locked>>
81%
52011
80%
**23
99%
Hodgdon H4350
<<locked>>
81%
42206
65%
**84
97%
[Hodgdon H4831]*
<<locked>>
82%
33895
52%
**26
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
35882
55%
**69
91%
Hodgdon Hybrid 100V
<<locked>>
81%
41713
64%
**90
100%
Hodgdon LVR
<<locked>>
81%
48457
75%
**44
100%
[Hodgdon Retumbo]*
<<locked>>
87%
27891
43%
**18
90%
Hodgdon Superperformance
<<locked>>
81%
47558
73%
**74
99%
Hodgdon VARGET
<<locked>>
81%
54041
83%
**71
100%
Hodgdon TrailBoss
<<locked>>
81%
28224
43%
**70
100%
IMR 4064
<<locked>>
81%
53461
82%
**51
100%
IMR 4166 Enduron
<<locked>>
81%
51982
80%
**38
99%
IMR 4350
<<locked>>
81%
44237
68%
**30
98%
IMR 4451 Enduron
<<locked>>
81%
50488
78%
**28
99%
IMR 4831
<<locked>>
81%
39755
61%
**61
99%
[IMR 4955 Enduron]*
<<locked>>
81%
36376
56%
**46
92%
[IMR 7828 SSC]*
<<locked>>
81%
35201
54%
**05
91%
Lovex S065
<<locked>>
81%
47935
74%
**79
100%
Lovex S070
<<locked>>
81%
46238
71%
**62
99%
[Lovex S071]*
<<locked>>
81%
29602
46%
**02
94%
Norma 204
<<locked>>
81%
44512
68%
**69
97%
[Norma 217]*
<<locked>>
91%
28340
44%
**67
90%
Norma MRP
<<locked>>
81%
35810
55%
**57
96%
Norma URP
<<locked>>
81%
45223
70%
**79
100%
Ramshot Hunter
<<locked>>
81%
44121
68%
**79
99%
[Ramshot Magnum]*
<<locked>>
81%
31531
49%
**13
93%
ReloadSwiss RS 14
<<locked>>
81%
28732
44%
**09
100%
ReloadSwiss RS 60
<<locked>>
81%
49226
76%
**17
100%
ReloadSwiss RS 62
<<locked>>
81%
45977
71%
**15
100%
ReloadSwiss RS 70
<<locked>>
81%
44280
68%
**35
100%
[ReloadSwiss RS 76]*
<<locked>>
82%
28152
43%
**51
90%
[ReloadSwiss RS 80]*
<<locked>>
92%
35737
55%
**67
90%
Rottweil R 903
<<locked>>
81%
53374
82%
**64
100%
[Rottweil R 904]*
<<locked>>
81%
39900
61%
**44
94%
Rottweil R 905
<<locked>>
81%
37623
58%
**38
95%
Rottweil R 907
<<locked>>
81%
49052
76%
**02
99%
SNPE Vectan Tubal 5000
<<locked>>
81%
53606
83%
**49
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
46905
72%
**23
99%
Shooters World Long Rifle
<<locked>>
81%
47935
74%
**79
100%
Somchem S355
<<locked>>
81%
53127
82%
**64
100%
[Somchem S361]*
<<locked>>
81%
40654
63%
**28
93%
Somchem S365
<<locked>>
81%
41989
65%
**40
100%
Somchem S385
<<locked>>
81%
38232
59%
**28
96%
Vihtavuori N135
<<locked>>
81%
51619
79%
**53
100%
Vihtavuori N150
<<locked>>
81%
45774
70%
**00
100%
Vihtavuori N160
<<locked>>
81%
48646
75%
**08
100%
[Vihtavuori N165]*
<<locked>>
81%
32155
49%
**67
93%
Vihtavuori N550
<<locked>>
81%
49516
76%
**58
100%
Vihtavuori N555
<<locked>>
81%
37014
57%
**35
99%
[Vihtavuori N560]*
<<locked>>
81%
34476
53%
**02
91%
[Vihtavuori N565]*
<<locked>>
84%
32445
50%
**39
90%
[Vihtavuori N568]*
<<locked>>
92%
37188
57%
**90
90%
Winchester 6.5 StaBALL
<<locked>>
81%
45788
70%
**40
100%
Winchester 760
<<locked>>
81%
52011
80%
**23
99%
Winchester StaBALL HD
<<locked>>
81%
28224
43%
**62
99%

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.

bottom of page