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Load data for 7 x 50 R + .284 | 140gr | Sierra SBT GameKing

Recommended Powder(s): ADI AR 2207, Accurate 1680, Alliant Reloder-10x, IMR 4198, Norma 200

7 x 50 R + .284 | 140gr | Sierra SBT GameKing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 140gr | Sierra SBT GameKing
Manufacturer SKU:
1905
Bullet Weight:
140gr | 9.1g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.160" | 29.5mm
Caliber:
7 x 50 R load data
Case Length (l3):
1.940" | 49.3mm
Cartridge Length (C.O.L.):
2.637" | 67.0mm
Seated Depth:
0.463" | 11.8mm
Shank Seated Depth:
0.323" | 8.2mm
Case Capacity:
34.5 Grains of Water | 2.24 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
52939 psi | 3650 bar
LID:
LID_B5841_C1085
Last updated:
2025-02-02
Recommended Twist Rate:
1:12 - 1:10

Load data for 94 loads in caliber 7 x 50 R with .284 | 140gr | Sierra SBT GameKing bullet and 47 powders such as ADI AR 2207, Accurate 1680, Alliant Reloder-10x, IMR 4198, Norma 200. 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 2207 👍
<<locked>>
91%
45905
87%
**77
100%
ADI AR 2219
<<locked>>
95%
46383
88%
**36
98%
Accurate 1680 👍
<<locked>>
83%
47442
90%
**64
99%
Accurate 2015
<<locked>>
96%
39653
75%
**11
99%
[Accurate 2230]*
<<locked>>
97%
44106
83%
**60
93%
Accurate 2460
<<locked>>
97%
42960
81%
**70
95%
Accurate 2495
<<locked>>
96%
30560
58%
**42
96%
[Accurate 2520]*
<<locked>>
97%
34998
66%
**85
93%
Alliant AR-Comp
<<locked>>
96%
35520
67%
**01
99%
Alliant Reloder-10x 👍
<<locked>>
96%
44382
84%
**93
100%
Alliant Reloder-7
<<locked>>
90%
46499
88%
**57
100%
Baschieri & Pellagri 106
<<locked>>
94%
47137
89%
**51
99%
[Hodgdon Benchmark]*
<<locked>>
97%
42641
81%
**11
94%
[Hodgdon CFE BLK]*
<<locked>>
90%
46528
88%
**24
94%
Hodgdon H322
<<locked>>
96%
39769
75%
**31
97%
Hodgdon H335
<<locked>>
95%
46456
88%
**43
97%
Hodgdon H4198
<<locked>>
91%
46470
88%
**28
98%
[IMR 3031]*
<<locked>>
96%
30835
58%
**06
94%
IMR 4198 👍
<<locked>>
96%
46470
88%
**70
100%
IMR 4227
<<locked>>
85%
46862
89%
**11
100%
[IMR 8208 XBR]*
<<locked>>
97%
39001
74%
**88
92%
Lovex D073.4
<<locked>>
96%
44367
84%
**77
95%
Lovex D073.5
<<locked>>
97%
42960
81%
**70
95%
[Lovex D073.6]*
<<locked>>
96%
31778
60%
**16
92%
Lovex S053
<<locked>>
86%
47050
89%
**95
100%
Norma 200 👍
<<locked>>
93%
46079
87%
**00
100%
[Norma 202]*
<<locked>>
96%
33852
64%
**29
94%
ReloadSwiss RS 36
<<locked>>
86%
46934
89%
**54
100%
ReloadSwiss RS 40
<<locked>>
97%
43990
83%
**77
95%
Rottweil R 901
<<locked>>
96%
37768
71%
**72
95%
SNPE Vectan BA6 1/2
<<locked>>
88%
46079
87%
**51
100%
SNPE Vectan SP 10
<<locked>>
96%
47645
90%
**59
97%
SNPE Vectan Tubal 3000
<<locked>>
97%
38174
72%
**26
95%
[SNPE Vectan Tubal 5000]*
<<locked>>
97%
30864
58%
**95
93%
[Shooters World Match Rifle]*
<<locked>>
96%
31778
60%
**16
92%
[Shooters World Tactical Rifle]*
<<locked>>
96%
47471
90%
**80
94%
[Somchem S321]*
<<locked>>
97%
41234
78%
**57
93%
Somchem S335
<<locked>>
96%
35679
67%
**10
95%
Vihtavuori N120
<<locked>>
94%
46456
88%
**41
100%
Vihtavuori N130
<<locked>>
96%
42061
79%
**05
99%
Vihtavuori N133
<<locked>>
96%
34098
64%
**77
97%
[Vihtavuori N135]*
<<locked>>
97%
25846
49%
**59
93%
[Vihtavuori N140]*
<<locked>>
97%
32735
62%
**83
93%
[Vihtavuori N530]*
<<locked>>
97%
41162
78%
**38
93%
[Vihtavuori N540]*
<<locked>>
96%
31879
60%
**90
92%
[Winchester 748]*
<<locked>>
97%
40350
76%
**60
93%
[Winchester StaBALL Match]*
<<locked>>
97%
44512
84%
**03
92%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2207
<<locked>>
81%
33330
63%
**80
100%
[ADI AR 2219]*
<<locked>>
81%
29457
56%
**21
93%
Accurate 1680
<<locked>>
81%
43801
83%
**15
98%
[Accurate 2015]*
<<locked>>
81%
24772
47%
**06
94%
[Accurate 2230]*
<<locked>>
92%
37492
71%
**52
90%
[Accurate 2460]*
<<locked>>
88%
31328
59%
**64
90%
[Accurate 2495]*
<<locked>>
83%
20131
38%
**73
91%
[Accurate 2520]*
<<locked>>
91%
28761
54%
**51
90%
[Alliant AR-Comp]*
<<locked>>
81%
22626
43%
**80
94%
Alliant Reloder-10x
<<locked>>
81%
27514
52%
**82
96%
Alliant Reloder-7
<<locked>>
81%
35578
67%
**87
99%
[Baschieri & Pellagri 106]*
<<locked>>
81%
30589
58%
**72
94%
[Hodgdon Benchmark]*
<<locked>>
88%
33156
63%
**37
90%
[Hodgdon CFE BLK]*
<<locked>>
81%
34882
66%
**31
90%
[Hodgdon H322]*
<<locked>>
81%
25353
48%
**13
90%
[Hodgdon H335]*
<<locked>>
81%
28747
54%
**08
91%
Hodgdon H4198
<<locked>>
81%
34258
65%
**21
95%
[IMR 3031]*
<<locked>>
89%
24758
47%
**46
91%
IMR 4198
<<locked>>
81%
30400
57%
**91
98%
IMR 4227
<<locked>>
81%
41626
79%
**39
100%
[IMR 8208 XBR]*
<<locked>>
93%
34853
66%
**10
90%
[Lovex D073.4]*
<<locked>>
86%
31212
59%
**44
90%
[Lovex D073.5]*
<<locked>>
88%
31328
59%
**64
90%
[Lovex D073.6]*
<<locked>>
94%
29414
56%
**67
90%
Lovex S053
<<locked>>
81%
40190
76%
**00
100%
Norma 200
<<locked>>
81%
31372
59%
**57
98%
[Norma 202]*
<<locked>>
88%
27137
51%
**78
90%
ReloadSwiss RS 36
<<locked>>
81%
40205
76%
**52
100%
[ReloadSwiss RS 40]*
<<locked>>
85%
30298
57%
**24
90%
[Rottweil R 901]*
<<locked>>
85%
27122
51%
**46
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
37898
72%
**46
100%
[SNPE Vectan SP 10]*
<<locked>>
81%
29573
56%
**24
91%
[SNPE Vectan Tubal 3000]*
<<locked>>
85%
26789
51%
**96
90%
[SNPE Vectan Tubal 5000]*
<<locked>>
90%
25614
48%
**73
90%
[Shooters World Match Rifle]*
<<locked>>
94%
29414
56%
**67
90%
[Shooters World Tactical Rifle]*
<<locked>>
88%
36158
68%
**00
90%
[Somchem S321]*
<<locked>>
91%
34185
65%
**33
91%
[Somchem S335]*
<<locked>>
83%
24671
47%
**70
90%
Vihtavuori N120
<<locked>>
81%
31314
59%
**08
100%
Vihtavuori N130
<<locked>>
81%
26426
50%
**06
95%
[Vihtavuori N133]*
<<locked>>
81%
22495
42%
**01
91%
[Vihtavuori N135]*
<<locked>>
93%
23221
44%
**80
91%
[Vihtavuori N140]*
<<locked>>
91%
27296
52%
**59
91%
[Vihtavuori N530]*
<<locked>>
91%
33852
64%
**03
90%
[Vihtavuori N540]*
<<locked>>
93%
28747
54%
**18
91%
[Winchester 748]*
<<locked>>
91%
33794
64%
**29
90%
[Winchester StaBALL Match]*
<<locked>>
94%
40016
76%
**28
91%

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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