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Load data for 6.5-300 Weatherby Magnum + .264 | 120gr | Sierra HPBT MatchKing

Recommended Powder(s): ADI AR 2213, Accurate MAGPRO, ReloadSwiss RS 76, Vihtavuori N560, Vihtavuori N565

6.5-300 Weatherby Magnum + .264 | 120gr | Sierra HPBT MatchKing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.264 | 120gr | Sierra HPBT MatchKing
Manufacturer SKU:
1725
Bullet Weight:
120gr | 7.8g
Bullet Diameter:
0.264" | 6.71mm
Bullet Length:
1.179" | 29.9mm
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:
0.458" | 11.6mm
Shank Seated Depth:
0.308" | 7.8mm
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_B5805_C1352
Last updated:
2025-01-01
Recommended Twist Rate:
1:10 - 1:9

Load data for 112 loads in caliber 6.5-300 Weatherby Magnum with .264 | 120gr | Sierra HPBT MatchKing bullet and 56 powders such as ADI AR 2213, Accurate MAGPRO, ReloadSwiss RS 76, Vihtavuori N560, 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".

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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 2209
<<locked>>
88%
64788
100%
**04
100%
ADI AR 2213 👍
<<locked>>
90%
64382
99%
**46
100%
ADI AR 2217
<<locked>>
97%
60292
93%
**68
100%
ADI AR 2218
<<locked>>
97%
52533
81%
**15
96%
ADI AR 2225
<<locked>>
97%
55579
86%
**28
100%
Accurate 3100
<<locked>>
91%
64919
100%
**28
100%
Accurate MAGPRO 👍
<<locked>>
90%
64861
100%
**53
99%
Alliant Reloder-16
<<locked>>
84%
64875
100%
**97
100%
Alliant Reloder-19
<<locked>>
88%
64875
100%
**10
100%
Alliant Reloder-22
<<locked>>
90%
64600
99%
**20
100%
Alliant Reloder-23
<<locked>>
91%
64745
100%
**55
100%
Alliant Reloder-25
<<locked>>
95%
64585
99%
**27
100%
Alliant Reloder-26
<<locked>>
86%
64527
99%
**23
100%
Alliant Reloder-33
<<locked>>
97%
59161
91%
**94
98%
Alliant Reloder-50
<<locked>>
97%
50299
77%
**14
95%
Hodgdon H1000
<<locked>>
97%
60292
93%
**68
100%
Hodgdon H4350
<<locked>>
87%
64614
99%
**55
100%
Hodgdon H4831
<<locked>>
93%
64934
100%
**87
100%
Hodgdon H4831 SC
<<locked>>
90%
64397
99%
**87
100%
Hodgdon Hybrid 100V
<<locked>>
86%
64687
100%
**99
100%
Hodgdon Retumbo
<<locked>>
97%
55579
86%
**28
100%
Hodgdon TrailBoss
<<locked>>
97%
36318
56%
**41
100%
IMR 4350
<<locked>>
85%
64614
99%
**55
100%
IMR 4831
<<locked>>
88%
64498
99%
**28
100%
IMR 4955 Enduron
<<locked>>
91%
64121
99%
**61
100%
IMR 7828 SSC
<<locked>>
89%
64774
100%
**50
100%
IMR 7977 Enduron
<<locked>>
96%
64382
99%
**28
96%
IMR 8133 Enduron
<<locked>>
97%
51068
79%
**36
99%
[Lovex D100]*
<<locked>>
97%
60002
92%
**69
93%
Lovex S070
<<locked>>
84%
64339
99%
**38
100%
Lovex S071
<<locked>>
96%
64455
99%
**25
100%
Norma 204
<<locked>>
84%
64339
99%
**84
100%
Norma 217
<<locked>>
97%
51895
80%
**46
100%
Norma MRP
<<locked>>
88%
64426
99%
**43
100%
Norma URP
<<locked>>
84%
64759
100%
**58
100%
Ramshot Hunter
<<locked>>
84%
64948
100%
**87
100%
Ramshot Magnum
<<locked>>
90%
64411
99%
**94
100%
ReloadSwiss RS 14
<<locked>>
97%
37173
57%
**90
100%
ReloadSwiss RS 76 👍
<<locked>>
94%
64571
99%
**96
100%
ReloadSwiss RS 80
<<locked>>
97%
64643
99%
**73
100%
Rottweil R 904
<<locked>>
88%
64948
100%
**71
100%
Rottweil R 905
<<locked>>
88%
64788
100%
**01
100%
[SNPE Vectan SP 13]*
<<locked>>
97%
44092
68%
**20
92%
SNPE Vectan Tubal 7000
<<locked>>
84%
64919
100%
**86
100%
Somchem S361
<<locked>>
87%
64600
99%
**32
100%
Somchem S365
<<locked>>
85%
64846
100%
**25
100%
Somchem S385
<<locked>>
88%
64571
99%
**58
100%
Vihtavuori N150
<<locked>>
84%
64353
99%
**50
100%
Vihtavuori N165
<<locked>>
93%
64875
100%
**45
100%
Vihtavuori N170
<<locked>>
97%
55448
85%
**23
95%
Vihtavuori N555
<<locked>>
88%
64469
99%
**64
100%
Vihtavuori N560 👍
<<locked>>
90%
64266
99%
**60
100%
Vihtavuori N565 👍
<<locked>>
94%
64484
99%
**33
100%
Vihtavuori N568
<<locked>>
96%
64063
99%
**66
99%
Vihtavuori N570
<<locked>>
97%
62830
97%
**89
98%
Winchester StaBALL HD
<<locked>>
91%
64890
100%
**43
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
51416
79%
**81
99%
ADI AR 2213
<<locked>>
81%
46340
71%
**15
98%
[ADI AR 2217]*
<<locked>>
81%
34650
53%
**26
94%
[ADI AR 2218]*
<<locked>>
89%
39204
60%
**97
90%
ADI AR 2225
<<locked>>
81%
31749
49%
**80
96%
Accurate 3100
<<locked>>
81%
47282
73%
**49
100%
Accurate MAGPRO
<<locked>>
81%
46789
72%
**22
96%
Alliant Reloder-16
<<locked>>
81%
58885
91%
**99
100%
Alliant Reloder-19
<<locked>>
81%
51300
79%
**81
99%
Alliant Reloder-22
<<locked>>
81%
47152
73%
**25
99%
Alliant Reloder-23
<<locked>>
81%
45847
71%
**59
100%
Alliant Reloder-25
<<locked>>
81%
39813
61%
**81
100%
Alliant Reloder-26
<<locked>>
81%
52591
81%
**40
100%
[Alliant Reloder-33]*
<<locked>>
85%
37492
58%
**38
90%
[Alliant Reloder-50]*
<<locked>>
90%
39073
60%
**54
90%
[Hodgdon H1000]*
<<locked>>
81%
34650
53%
**26
94%
Hodgdon H4350
<<locked>>
81%
54331
84%
**91
100%
Hodgdon H4831
<<locked>>
81%
43265
67%
**00
96%
Hodgdon H4831 SC
<<locked>>
81%
48066
74%
**95
97%
Hodgdon Hybrid 100V
<<locked>>
81%
55245
85%
**64
100%
Hodgdon Retumbo
<<locked>>
81%
31749
49%
**80
96%
Hodgdon TrailBoss
<<locked>>
81%
28776
44%
**64
100%
IMR 4350
<<locked>>
81%
56884
88%
**33
100%
IMR 4831
<<locked>>
81%
52794
81%
**48
100%
IMR 4955 Enduron
<<locked>>
81%
46789
72%
**43
97%
IMR 7828 SSC
<<locked>>
81%
48341
74%
**68
98%
[IMR 7977 Enduron]*
<<locked>>
85%
44962
69%
**64
90%
[IMR 8133 Enduron]*
<<locked>>
81%
29718
46%
**02
90%
[Lovex D100]*
<<locked>>
92%
49400
76%
**79
90%
Lovex S070
<<locked>>
81%
59292
91%
**63
100%
Lovex S071
<<locked>>
81%
40393
62%
**99
99%
Norma 204
<<locked>>
81%
58378
90%
**92
100%
[Norma 217]*
<<locked>>
81%
29515
45%
**18
93%
Norma MRP
<<locked>>
81%
50430
78%
**04
100%
Norma URP
<<locked>>
81%
59495
92%
**82
100%
Ramshot Hunter
<<locked>>
81%
58581
90%
**92
100%
Ramshot Magnum
<<locked>>
81%
45310
70%
**66
99%
ReloadSwiss RS 14
<<locked>>
81%
29559
46%
**09
100%
ReloadSwiss RS 76
<<locked>>
81%
38638
59%
**97
98%
[ReloadSwiss RS 80]*
<<locked>>
81%
35215
54%
**59
92%
Rottweil R 904
<<locked>>
81%
51764
80%
**54
99%
Rottweil R 905
<<locked>>
81%
50836
78%
**68
99%
[SNPE Vectan SP 13]*
<<locked>>
94%
39494
61%
**22
90%
SNPE Vectan Tubal 7000
<<locked>>
81%
59785
92%
**10
100%
Somchem S361
<<locked>>
81%
53200
82%
**48
99%
Somchem S365
<<locked>>
81%
57377
88%
**30
100%
Somchem S385
<<locked>>
81%
51111
79%
**38
100%
Vihtavuori N150
<<locked>>
81%
57885
89%
**51
100%
Vihtavuori N165
<<locked>>
81%
43700
67%
**81
99%
[Vihtavuori N170]*
<<locked>>
87%
40828
63%
**22
90%
Vihtavuori N555
<<locked>>
81%
50879
78%
**51
100%
Vihtavuori N560
<<locked>>
81%
47427
73%
**45
97%
Vihtavuori N565
<<locked>>
81%
41655
64%
**94
96%
[Vihtavuori N568]*
<<locked>>
81%
36521
56%
**02
92%
[Vihtavuori N570]*
<<locked>>
84%
39189
60%
**90
90%
Winchester StaBALL HD
<<locked>>
81%
44817
69%
**12
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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