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Load data for 6.5-300 Weatherby Magnum + .264 | 130gr | Sierra HP GameKing

Recommended Powder(s): ADI AR 2217, ADI AR 2225, Hodgdon Retumbo, ReloadSwiss RS 80, Vihtavuori N568

6.5-300 Weatherby Magnum + .264 | 130gr | Sierra HP GameKing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.264 | 130gr | Sierra HP GameKing
Manufacturer SKU:
1728
Bullet Weight:
130gr | 8.4g
Bullet Diameter:
0.264" | 6.71mm
Bullet Length:
1.130" | 28.7mm
Caliber:
6.5-300 Weatherby Magnum load data
Case Length (l3):
2.825" | 71.8mm
Cartridge Length (C.O.L.):
3.546" | 90.1mm
Seated Depth:
0.409" | 10.4mm
Shank Seated Depth:
0.225" | 5.7mm
Case Capacity:
98.0 Grains of Water | 6.36 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
64977 psi | 4480 bar
LID:
LID_B5810_C1352
Last updated:
2025-01-01
Recommended Twist Rate:
1:11 - 1:10

Load data for 88 loads in caliber 6.5-300 Weatherby Magnum with .264 | 130gr | Sierra HP GameKing bullet and 44 powders such as ADI AR 2217, ADI AR 2225, Hodgdon Retumbo, ReloadSwiss RS 80, Vihtavuori N568. 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 2213
<<locked>>
86%
58378
90%
**36
100%
ADI AR 2217 👍
<<locked>>
94%
58465
90%
**40
100%
ADI AR 2218
<<locked>>
97%
57246
88%
**25
98%
ADI AR 2225 👍
<<locked>>
96%
58450
90%
**63
100%
Accurate 3100
<<locked>>
85%
58305
90%
**25
100%
Accurate 8700
<<locked>>
97%
45658
70%
**94
95%
Accurate MAGPRO
<<locked>>
85%
57986
89%
**43
99%
Alliant Reloder-19
<<locked>>
83%
58378
90%
**97
100%
Alliant Reloder-22
<<locked>>
85%
58276
90%
**27
100%
Alliant Reloder-23
<<locked>>
86%
58334
90%
**58
100%
Alliant Reloder-25
<<locked>>
90%
58160
90%
**17
100%
Alliant Reloder-33
<<locked>>
94%
58117
89%
**86
98%
Alliant Reloder-50
<<locked>>
97%
55463
85%
**30
97%
Hodgdon H1000
<<locked>>
94%
58465
90%
**40
100%
Hodgdon H4831
<<locked>>
88%
58117
89%
**81
100%
Hodgdon H4831 SC
<<locked>>
85%
58378
90%
**94
100%
Hodgdon Retumbo 👍
<<locked>>
96%
58450
90%
**63
100%
Hodgdon TrailBoss
<<locked>>
97%
36463
56%
**75
100%
IMR 4955 Enduron
<<locked>>
86%
58204
90%
**71
100%
IMR 7828 SSC
<<locked>>
84%
58117
89%
**50
100%
IMR 7977 Enduron
<<locked>>
91%
58247
90%
**38
95%
IMR 8133 Enduron
<<locked>>
97%
55056
85%
**07
100%
[Lovex D100]*
<<locked>>
94%
57972
89%
**48
94%
Lovex S071
<<locked>>
90%
58015
89%
**25
100%
Norma 217
<<locked>>
97%
56492
87%
**23
100%
Norma MRP
<<locked>>
83%
58175
90%
**40
100%
[Ramshot LRT]*
<<locked>>
97%
56840
87%
**40
93%
Ramshot Magnum
<<locked>>
85%
58088
89%
**97
100%
ReloadSwiss RS 14
<<locked>>
97%
37347
57%
**14
100%
ReloadSwiss RS 76
<<locked>>
89%
58247
90%
**86
100%
ReloadSwiss RS 80 👍
<<locked>>
92%
58059
89%
**69
100%
Rottweil R 905
<<locked>>
83%
58204
90%
**97
100%
SNPE Vectan SP 13
<<locked>>
97%
47572
73%
**04
95%
Somchem S385
<<locked>>
83%
58262
90%
**61
100%
[Vihtavuori 20N29]*
<<locked>>
97%
45571
70%
**71
92%
[Vihtavuori 24N41]*
<<locked>>
97%
57014
88%
**00
93%
Vihtavuori N165
<<locked>>
88%
58218
90%
**41
100%
Vihtavuori N170
<<locked>>
96%
58392
90%
**87
97%
Vihtavuori N555
<<locked>>
83%
58262
90%
**61
100%
Vihtavuori N560
<<locked>>
85%
58001
89%
**50
100%
Vihtavuori N565
<<locked>>
89%
58262
90%
**23
100%
Vihtavuori N568 👍
<<locked>>
92%
58363
90%
**66
99%
Vihtavuori N570
<<locked>>
93%
58160
90%
**99
98%
Winchester StaBALL HD
<<locked>>
85%
58175
90%
**27
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2213
<<locked>>
81%
49647
76%
**79
99%
ADI AR 2217
<<locked>>
81%
37260
57%
**13
96%
[ADI AR 2218]*
<<locked>>
85%
36883
57%
**56
90%
ADI AR 2225
<<locked>>
81%
34403
53%
**77
98%
Accurate 3100
<<locked>>
81%
50488
78%
**07
100%
[Accurate 8700]*
<<locked>>
91%
36390
56%
**77
90%
Accurate MAGPRO
<<locked>>
81%
50140
77%
**95
98%
Alliant Reloder-19
<<locked>>
81%
54447
84%
**31
100%
Alliant Reloder-22
<<locked>>
81%
50415
78%
**89
100%
Alliant Reloder-23
<<locked>>
81%
49153
76%
**10
100%
Alliant Reloder-25
<<locked>>
81%
43076
66%
**51
100%
[Alliant Reloder-33]*
<<locked>>
81%
35230
54%
**90
90%
[Alliant Reloder-50]*
<<locked>>
86%
37188
57%
**17
90%
Hodgdon H1000
<<locked>>
81%
37260
57%
**13
96%
Hodgdon H4831
<<locked>>
81%
46108
71%
**64
98%
Hodgdon H4831 SC
<<locked>>
81%
51126
79%
**69
99%
Hodgdon Retumbo
<<locked>>
81%
34403
53%
**77
98%
Hodgdon TrailBoss
<<locked>>
81%
28935
45%
**01
100%
IMR 4955 Enduron
<<locked>>
81%
49472
76%
**13
99%
IMR 7828 SSC
<<locked>>
81%
51866
80%
**31
99%
[IMR 7977 Enduron]*
<<locked>>
81%
42308
65%
**26
90%
[IMR 8133 Enduron]*
<<locked>>
81%
31937
49%
**89
93%
[Lovex D100]*
<<locked>>
87%
45571
70%
**22
90%
Lovex S071
<<locked>>
81%
43265
67%
**66
100%
Norma 217
<<locked>>
81%
32401
50%
**08
96%
Norma MRP
<<locked>>
81%
54041
83%
**64
100%
[Ramshot LRT]*
<<locked>>
92%
47979
74%
**76
90%
Ramshot Magnum
<<locked>>
81%
49226
76%
**40
100%
ReloadSwiss RS 14
<<locked>>
81%
29762
46%
**47
100%
ReloadSwiss RS 76
<<locked>>
81%
42032
65%
**87
100%
ReloadSwiss RS 80
<<locked>>
81%
38740
60%
**62
95%
Rottweil R 905
<<locked>>
81%
54128
83%
**25
100%
[SNPE Vectan SP 13]*
<<locked>>
89%
36898
57%
**67
90%
Somchem S385
<<locked>>
81%
54259
84%
**89
100%
[Vihtavuori 20N29]*
<<locked>>
94%
41423
64%
**92
90%
[Vihtavuori 24N41]*
<<locked>>
92%
47921
74%
**33
90%
Vihtavuori N165
<<locked>>
81%
46586
72%
**41
100%
[Vihtavuori N170]*
<<locked>>
83%
37811
58%
**57
90%
Vihtavuori N555
<<locked>>
81%
54346
84%
**02
100%
Vihtavuori N560
<<locked>>
81%
50778
78%
**12
99%
Vihtavuori N565
<<locked>>
81%
44773
69%
**71
98%
Vihtavuori N568
<<locked>>
81%
39813
61%
**95
95%
[Vihtavuori N570]*
<<locked>>
81%
37971
58%
**69
91%
Winchester StaBALL HD
<<locked>>
81%
49139
76%
**82
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.

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