top of page

Load data for .300 Rem. Ultra Mag + .308 | 200gr | Sierra SBT GameKing

You need to be a member to bookmark a  load !

Bookmark this load
>> My bookmarks

Recommended Powder(s): ADI AR 2217, Hodgdon H1000, Hodgdon H4831, ReloadSwiss RS 76, Vihtavuori N565

.300 Rem. Ultra Mag + .308 | 200gr | Sierra SBT GameKing

Load Specifications

Bullet:
.308 | 200gr | Sierra SBT GameKing
Manufacturer SKU:
2165
Bullet Weight:
200gr | 13.0g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.400" | 35.6mm
Caliber:
.300 Rem. Ultra Mag
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.544" | 90.0mm
Seated Depth:
0.706" | 17.9mm
Shank Seated Depth:
0.461" | 11.7mm
Case Capacity:
112.5 Grains of Water | 7.30 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
64977 psi | 4480 bar
LID:
LID_B5904_C374
Recommended Twist Rate:
1:12 - 1:10

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 96 loads in caliber .300 Rem. Ultra Mag with .308 | 200gr | Sierra SBT GameKing bullet and 48 powders such as ADI AR 2217, Hodgdon H1000, Hodgdon H4831, ReloadSwiss RS 76, Vihtavuori N565. 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".

    • A load must fulfill certain criteria to be listed in the default view below - see here.

    • Our load data might deviate from other sources - see the most common reasons here

    • All loads are based on the bullet and case dimensions shown under "Load Specifications" - see here what to do if you deviate.

    • You can set your specifications in the "Personalized Load Calculator".

    • Go to the bottom of the "My Account " page to set the measure system (imperial vs. metric) 

  • 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 2209
<<locked>>
86%
58117
89%
**85
100%
ADI AR 2213
<<locked>>
89%
57986
89%
**18
100%
ADI AR 2217 👍
<<locked>>
97%
56579
87%
**95
100%
ADI AR 2218
<<locked>>
97%
49574
76%
**76
97%
ADI AR 2225
<<locked>>
97%
51764
80%
**62
100%
Accurate 3100
<<locked>>
89%
57986
89%
**20
100%
[Accurate 8700]*
<<locked>>
97%
39247
60%
**87
93%
Accurate MAGPRO
<<locked>>
89%
58262
90%
**31
99%
Alliant Reloder-19
<<locked>>
86%
58015
89%
**79
100%
Alliant Reloder-22
<<locked>>
89%
58436
90%
**12
100%
Alliant Reloder-23
<<locked>>
90%
58465
90%
**49
100%
Alliant Reloder-25
<<locked>>
93%
57885
89%
**05
100%
Alliant Reloder-26
<<locked>>
85%
58262
90%
**18
100%
Alliant Reloder-33
<<locked>>
97%
54897
84%
**31
98%
Alliant Reloder-50
<<locked>>
97%
46354
71%
**71
95%
Hodgdon H1000 👍
<<locked>>
97%
56579
87%
**95
100%
Hodgdon H4350
<<locked>>
84%
58131
89%
**30
100%
Hodgdon H4831 👍
<<locked>>
92%
58262
90%
**72
100%
Hodgdon H4831 SC
<<locked>>
88%
57928
89%
**69
100%
Hodgdon Hybrid 100V
<<locked>>
84%
58160
90%
**90
100%
Hodgdon Retumbo
<<locked>>
97%
51764
80%
**62
100%
Hodgdon TrailBoss
<<locked>>
97%
36216
56%
**39
100%
IMR 4831
<<locked>>
86%
57986
89%
**20
100%
IMR 4955 Enduron
<<locked>>
89%
58146
89%
**46
100%
IMR 7828 SSC
<<locked>>
88%
58131
89%
**28
100%
IMR 7977 Enduron
<<locked>>
94%
57798
89%
**03
95%
IMR 8133 Enduron
<<locked>>
97%
47326
73%
**80
99%
[Lovex D100]*
<<locked>>
97%
56231
87%
**17
94%
Lovex S071
<<locked>>
94%
57986
89%
**20
100%
Norma 217
<<locked>>
97%
48399
74%
**13
100%
Norma MRP
<<locked>>
87%
58363
90%
**25
100%
Ramshot Magnum
<<locked>>
89%
58320
90%
**79
100%
ReloadSwiss RS 14
<<locked>>
97%
36985
57%
**75
100%
ReloadSwiss RS 76 👍
<<locked>>
93%
57769
89%
**77
100%
ReloadSwiss RS 80
<<locked>>
96%
57841
89%
**54
100%
Rottweil R 904
<<locked>>
86%
58363
90%
**49
100%
Rottweil R 905
<<locked>>
86%
57725
89%
**72
100%
[SNPE Vectan SP 13]*
<<locked>>
97%
40930
63%
**07
93%
Somchem S361
<<locked>>
85%
58160
90%
**17
100%
Somchem S385
<<locked>>
86%
58073
89%
**46
100%
Vihtavuori N165
<<locked>>
91%
58407
90%
**36
100%
Vihtavuori N170
<<locked>>
97%
52547
81%
**74
96%
Vihtavuori N555
<<locked>>
87%
58320
90%
**46
100%
Vihtavuori N560
<<locked>>
89%
58276
90%
**41
100%
Vihtavuori N565 👍
<<locked>>
92%
57711
89%
**05
100%
Vihtavuori N568
<<locked>>
96%
58160
90%
**58
99%
Vihtavuori N570
<<locked>>
97%
57798
89%
**90
98%
Winchester StaBALL HD
<<locked>>
90%
58233
90%
**31
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
49008
75%
**54
100%
ADI AR 2213
<<locked>>
81%
43888
68%
**92
98%
ADI AR 2217
<<locked>>
81%
32750
50%
**49
95%
[ADI AR 2218]*
<<locked>>
88%
35302
54%
**51
90%
ADI AR 2225
<<locked>>
81%
29994
46%
**23
97%
Accurate 3100
<<locked>>
81%
44715
69%
**20
100%
[Accurate 8700]*
<<locked>>
94%
34867
54%
**92
90%
Accurate MAGPRO
<<locked>>
81%
44106
68%
**98
97%
Alliant Reloder-19
<<locked>>
81%
48776
75%
**44
100%
Alliant Reloder-22
<<locked>>
81%
44672
69%
**02
99%
Alliant Reloder-23
<<locked>>
81%
43468
67%
**43
100%
Alliant Reloder-25
<<locked>>
81%
37681
58%
**84
100%
Alliant Reloder-26
<<locked>>
81%
49559
76%
**00
100%
[Alliant Reloder-33]*
<<locked>>
84%
33243
51%
**05
90%
[Alliant Reloder-50]*
<<locked>>
89%
34200
53%
**18
90%
Hodgdon H1000
<<locked>>
81%
32750
50%
**49
95%
Hodgdon H4350
<<locked>>
81%
52185
80%
**48
100%
Hodgdon H4831
<<locked>>
81%
41017
63%
**90
97%
Hodgdon H4831 SC
<<locked>>
81%
45759
70%
**72
98%
Hodgdon Hybrid 100V
<<locked>>
81%
52634
81%
**25
100%
Hodgdon Retumbo
<<locked>>
81%
29994
46%
**23
97%
Hodgdon TrailBoss
<<locked>>
87%
31488
48%
**50
100%
IMR 4831
<<locked>>
81%
50459
78%
**18
100%
IMR 4955 Enduron
<<locked>>
81%
44991
69%
**36
98%
IMR 7828 SSC
<<locked>>
81%
45498
70%
**28
99%
[IMR 7977 Enduron]*
<<locked>>
83%
40756
63%
**11
90%
[IMR 8133 Enduron]*
<<locked>>
81%
27528
42%
**41
92%
[Lovex D100]*
<<locked>>
90%
44454
68%
**20
90%
Lovex S071
<<locked>>
81%
38537
59%
**18
100%
[Norma 217]*
<<locked>>
81%
27572
42%
**60
94%
Norma MRP
<<locked>>
81%
47485
73%
**67
100%
Ramshot Magnum
<<locked>>
81%
42728
66%
**56
100%
ReloadSwiss RS 14
<<locked>>
83%
30443
47%
**50
100%
ReloadSwiss RS 76
<<locked>>
81%
36100
56%
**07
99%
[ReloadSwiss RS 80]*
<<locked>>
81%
32793
50%
**92
93%
Rottweil R 904
<<locked>>
81%
49516
76%
**25
99%
Rottweil R 905
<<locked>>
81%
48269
74%
**35
100%
[SNPE Vectan SP 13]*
<<locked>>
92%
34751
53%
**79
90%
Somchem S361
<<locked>>
81%
50865
78%
**18
99%
Somchem S385
<<locked>>
81%
48704
75%
**08
100%
Vihtavuori N165
<<locked>>
81%
41481
64%
**74
99%
[Vihtavuori N170]*
<<locked>>
85%
36289
56%
**75
90%
Vihtavuori N555
<<locked>>
81%
48138
74%
**08
100%
Vihtavuori N560
<<locked>>
81%
45005
69%
**28
98%
Vihtavuori N565
<<locked>>
81%
39117
60%
**87
97%
[Vihtavuori N568]*
<<locked>>
81%
34156
53%
**18
93%
[Vihtavuori N570]*
<<locked>>
82%
34287
53%
**38
90%
Winchester StaBALL HD
<<locked>>
81%
41597
64%
**92
100%

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