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Load data for 6.5-300 Weatherby Magnum + .264 | 143gr | CutEdge MTAC

Recommended Powder(s): ADI AR 2217, Hodgdon H1000, Norma 217, ReloadSwiss RS 80, Vihtavuori N568

6.5-300 Weatherby Magnum + .264 | 143gr | CutEdge MTAC

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.264 | 143gr | CutEdge MTAC
Manufacturer SKU:
MTAC G09
Bullet Weight:
143gr | 9.3g
Bullet Diameter:
0.264" | 6.71mm
Bullet Length:
1.501" | 38.1mm
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:
0.780" | 19.8mm
Shank Seated Depth:
0.587" | 14.9mm
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_B8434_C1352
Last updated:
2025-01-01
Recommended Twist Rate:
1:8 - 1:7

Load data for 90 loads in caliber 6.5-300 Weatherby Magnum with .264 | 143gr | CutEdge MTAC bullet and 45 powders such as ADI AR 2217, Hodgdon H1000, Norma 217, 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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  • We recommend you limit powder range to relevant brands to speed up re-calculation of results

    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.

    .

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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>>
83%
58407
90%
**82
100%
ADI AR 2213
<<locked>>
86%
57682
89%
**05
100%
ADI AR 2217 👍
<<locked>>
94%
58334
90%
**12
100%
ADI AR 2218
<<locked>>
97%
56014
86%
**87
99%
ADI AR 2225
<<locked>>
96%
58044
89%
**38
100%
Accurate 3100
<<locked>>
86%
58175
90%
**13
100%
Accurate 8700
<<locked>>
97%
44425
68%
**72
95%
Accurate MAGPRO
<<locked>>
86%
58160
90%
**31
99%
Alliant Reloder-19
<<locked>>
83%
57841
89%
**69
100%
Alliant Reloder-22
<<locked>>
86%
58088
89%
**05
100%
Alliant Reloder-23
<<locked>>
86%
57899
89%
**27
100%
Alliant Reloder-25
<<locked>>
90%
58436
90%
**02
100%
Alliant Reloder-33
<<locked>>
95%
57856
89%
**64
99%
Alliant Reloder-50
<<locked>>
97%
53737
83%
**82
98%
Hodgdon H1000 👍
<<locked>>
94%
58334
90%
**12
100%
Hodgdon H4831
<<locked>>
88%
57957
89%
**63
100%
Hodgdon H4831 SC
<<locked>>
85%
58436
90%
**69
100%
Hodgdon Retumbo
<<locked>>
96%
58044
89%
**38
100%
Hodgdon TrailBoss
<<locked>>
97%
36434
56%
**70
100%
IMR 4955 Enduron
<<locked>>
87%
58450
90%
**49
100%
IMR 7828 SSC
<<locked>>
84%
57725
89%
**18
100%
IMR 7977 Enduron
<<locked>>
91%
57986
89%
**17
96%
IMR 8133 Enduron
<<locked>>
97%
54259
83%
**69
100%
Lovex D100
<<locked>>
95%
57928
89%
**53
95%
Lovex S071
<<locked>>
91%
57841
89%
**00
100%
Norma 217 👍
<<locked>>
97%
55492
85%
**95
100%
Norma MRP
<<locked>>
84%
58465
90%
**12
100%
[Ramshot LRT]*
<<locked>>
97%
55651
86%
**22
94%
Ramshot Magnum
<<locked>>
86%
58363
90%
**72
100%
ReloadSwiss RS 14
<<locked>>
97%
37347
57%
**13
100%
ReloadSwiss RS 76
<<locked>>
90%
57653
89%
**58
100%
ReloadSwiss RS 80 👍
<<locked>>
92%
58044
89%
**48
100%
Rottweil R 905
<<locked>>
83%
57711
89%
**63
100%
SNPE Vectan SP 13
<<locked>>
97%
46412
71%
**85
95%
Somchem S385
<<locked>>
83%
57856
89%
**30
100%
[Vihtavuori 20N29]*
<<locked>>
97%
44251
68%
**62
92%
[Vihtavuori 24N41]*
<<locked>>
97%
56318
87%
**89
94%
Vihtavuori N165
<<locked>>
88%
58349
90%
**30
100%
Vihtavuori N170
<<locked>>
97%
58305
90%
**72
98%
Vihtavuori N555
<<locked>>
84%
58233
90%
**36
100%
Vihtavuori N560
<<locked>>
85%
57885
89%
**35
100%
Vihtavuori N565
<<locked>>
89%
58233
90%
**05
100%
Vihtavuori N568 👍
<<locked>>
92%
58450
90%
**58
100%
Vihtavuori N570
<<locked>>
93%
57769
89%
**84
98%
Winchester StaBALL HD
<<locked>>
86%
57667
89%
**99
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
54056
83%
**17
100%
ADI AR 2213
<<locked>>
81%
49226
76%
**64
99%
ADI AR 2217
<<locked>>
81%
36564
56%
**98
97%
[ADI AR 2218]*
<<locked>>
84%
34505
53%
**95
90%
ADI AR 2225
<<locked>>
81%
33649
52%
**66
99%
Accurate 3100
<<locked>>
81%
49182
76%
**66
100%
[Accurate 8700]*
<<locked>>
90%
34693
53%
**49
90%
Accurate MAGPRO
<<locked>>
81%
49240
76%
**74
98%
Alliant Reloder-19
<<locked>>
81%
53563
82%
**04
100%
Alliant Reloder-22
<<locked>>
81%
49792
77%
**64
100%
Alliant Reloder-23
<<locked>>
81%
48327
74%
**82
100%
Alliant Reloder-25
<<locked>>
81%
42482
65%
**36
100%
[Alliant Reloder-33]*
<<locked>>
81%
34055
52%
**69
91%
[Alliant Reloder-50]*
<<locked>>
86%
34954
54%
**75
90%
Hodgdon H1000
<<locked>>
81%
36564
56%
**98
97%
Hodgdon H4831
<<locked>>
81%
45339
70%
**43
98%
Hodgdon H4831 SC
<<locked>>
81%
50676
78%
**51
99%
Hodgdon Retumbo
<<locked>>
81%
33649
52%
**66
99%
Hodgdon TrailBoss
<<locked>>
81%
28979
45%
**09
100%
IMR 4955 Enduron
<<locked>>
81%
49124
76%
**95
99%
IMR 7828 SSC
<<locked>>
81%
51169
79%
**04
100%
[IMR 7977 Enduron]*
<<locked>>
81%
41713
64%
**15
91%
[IMR 8133 Enduron]*
<<locked>>
81%
30922
48%
**67
94%
[Lovex D100]*
<<locked>>
86%
43149
66%
**71
90%
Lovex S071
<<locked>>
81%
42250
65%
**38
100%
Norma 217
<<locked>>
81%
31401
48%
**90
96%
Norma MRP
<<locked>>
81%
53374
82%
**36
100%
[Ramshot LRT]*
<<locked>>
91%
45136
69%
**12
90%
Ramshot Magnum
<<locked>>
81%
48182
74%
**15
100%
ReloadSwiss RS 14
<<locked>>
81%
29834
46%
**52
100%
ReloadSwiss RS 76
<<locked>>
81%
41176
63%
**69
100%
ReloadSwiss RS 80
<<locked>>
81%
37550
58%
**44
95%
Rottweil R 905
<<locked>>
81%
53388
82%
**90
100%
[SNPE Vectan SP 13]*
<<locked>>
89%
34722
53%
**26
90%
Somchem S385
<<locked>>
81%
53606
82%
**64
100%
[Vihtavuori 20N29]*
<<locked>>
94%
39639
61%
**54
90%
[Vihtavuori 24N41]*
<<locked>>
91%
44991
69%
**76
90%
Vihtavuori N165
<<locked>>
81%
45788
70%
**20
100%
[Vihtavuori N170]*
<<locked>>
82%
35694
55%
**16
90%
Vihtavuori N555
<<locked>>
81%
53229
82%
**67
100%
Vihtavuori N560
<<locked>>
81%
50285
77%
**97
99%
Vihtavuori N565
<<locked>>
81%
43816
67%
**49
98%
Vihtavuori N568
<<locked>>
81%
38740
60%
**64
95%
[Vihtavuori N570]*
<<locked>>
81%
36970
57%
**44
92%
Winchester StaBALL HD
<<locked>>
81%
48254
74%
**58
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.

<<locked>>... you need to buy an access license to unlock the data

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