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Load data for .300 Weath. Mag. + .308 | 165gr | Barnes X BT

Recommended Powder(s):

.300 Weath. Mag. + .308 | 165gr | Barnes X BT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 165gr | Barnes X BT
Manufacturer SKU:
30827
Bullet Weight:
165gr | 10.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.300" | 33.0mm
Caliber:
.300 Weath. Mag. load data
Case Length (l3):
2.824" | 71.7mm
Cartridge Length (C.O.L.):
3.507" | 89.1mm
Seated Depth:
0.617" | 15.7mm
Shank Seated Depth:
0.493" | 12.5mm
Case Capacity:
98.9 Grains of Water | 6.42 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B616_C379
Last updated:
2025-01-01
Recommended Twist Rate:
1:12 - 1:10

Load data for 140 loads in caliber .300 Weath. Mag. with .308 | 165gr | Barnes X BT bullet and 70 powder(s). 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 2208
<<locked>>
83%
57377
90%
**69
100%
ADI AR 2209
<<locked>>
94%
56826
89%
**58
98%
ADI AR 2213
<<locked>>
97%
56753
89%
**81
97%
[ADI AR 2217]*
<<locked>>
97%
42627
67%
**85
93%
ADI AR 2225
<<locked>>
97%
38580
60%
**56
95%
Accurate 2700
<<locked>>
84%
56536
89%
**13
99%
Accurate 3100 👍
<<locked>>
96%
57188
90%
**99
100%
Accurate 4350
<<locked>>
88%
57348
90%
**25
100%
Accurate MAGPRO
<<locked>>
97%
56057
88%
**94
95%
Alliant Reloder-16
<<locked>>
90%
56956
89%
**74
100%
Alliant Reloder-17
<<locked>>
85%
57145
90%
**74
100%
Alliant Reloder-19
<<locked>>
94%
57348
90%
**58
98%
Alliant Reloder-22
<<locked>>
97%
56507
89%
**94
98%
Alliant Reloder-23 👍
<<locked>>
97%
54375
85%
**25
100%
Alliant Reloder-25
<<locked>>
97%
47094
74%
**56
99%
Alliant Reloder-26 👍
<<locked>>
94%
57217
90%
**53
100%
[Hodgdon H1000]*
<<locked>>
97%
42627
67%
**85
93%
Hodgdon H414
<<locked>>
84%
56811
89%
**41
99%
Hodgdon H4350
<<locked>>
91%
57130
90%
**95
99%
Hodgdon H4831
<<locked>>
97%
52779
83%
**63
96%
Hodgdon H4831 SC
<<locked>>
96%
57377
90%
**35
97%
Hodgdon Hybrid 100V
<<locked>>
91%
57014
89%
**92
100%
Hodgdon LVR
<<locked>>
87%
57421
90%
**38
100%
Hodgdon Retumbo
<<locked>>
97%
38580
60%
**56
95%
Hodgdon Superperformance
<<locked>>
87%
57159
90%
**77
99%
Hodgdon VARGET
<<locked>>
83%
57043
89%
**69
100%
Hodgdon TrailBoss
<<locked>>
96%
35244
55%
**50
100%
IMR 4064
<<locked>>
83%
56637
89%
**56
100%
IMR 4166 Enduron
<<locked>>
85%
57261
90%
**56
99%
IMR 4350
<<locked>>
90%
57130
90%
**95
99%
IMR 4451 Enduron
<<locked>>
86%
57435
90%
**89
99%
IMR 4831
<<locked>>
93%
57334
90%
**15
100%
IMR 4955 Enduron
<<locked>>
96%
56985
89%
**89
97%
IMR 7828 SSC
<<locked>>
96%
57305
90%
**07
97%
Lovex S065
<<locked>>
87%
56768
89%
**59
100%
Lovex S070
<<locked>>
88%
56884
89%
**86
99%
Lovex S071
<<locked>>
97%
49298
77%
**71
99%
Norma 204
<<locked>>
89%
57072
89%
**31
98%
[Norma 217]*
<<locked>>
97%
34809
55%
**87
93%
Norma MRP
<<locked>>
95%
57043
89%
**27
99%
Norma URP
<<locked>>
89%
56956
89%
**28
100%
Ramshot Hunter
<<locked>>
89%
56797
89%
**51
100%
Ramshot Magnum
<<locked>>
97%
55288
87%
**45
99%
ReloadSwiss RS 14
<<locked>>
97%
36550
57%
**03
100%
ReloadSwiss RS 60
<<locked>>
86%
56971
89%
**00
100%
ReloadSwiss RS 62
<<locked>>
88%
57188
90%
**54
100%
ReloadSwiss RS 70
<<locked>>
89%
57406
90%
**07
100%
ReloadSwiss RS 76
<<locked>>
97%
45847
72%
**69
98%
Rottweil R 903
<<locked>>
83%
57319
90%
**72
100%
Rottweil R 904
<<locked>>
93%
56768
89%
**99
97%
Rottweil R 905
<<locked>>
94%
56869
89%
**51
98%
Rottweil R 907
<<locked>>
86%
56971
89%
**69
99%
SNPE Vectan Tubal 5000
<<locked>>
84%
57101
89%
**44
100%
SNPE Vectan Tubal 7000
<<locked>>
87%
57232
90%
**30
99%
Shooters World Long Rifle
<<locked>>
87%
56768
89%
**59
100%
Somchem S355
<<locked>>
84%
57421
90%
**72
100%
Somchem S361
<<locked>>
92%
57145
90%
**63
97%
Somchem S365
<<locked>>
91%
56753
89%
**31
100%
Somchem S385 👍
<<locked>>
94%
57421
90%
**25
99%
Vihtavuori N135
<<locked>>
84%
56942
89%
**71
100%
Vihtavuori N150
<<locked>>
88%
56608
89%
**20
100%
Vihtavuori N160
<<locked>>
87%
57319
90%
**95
100%
Vihtavuori N165
<<locked>>
97%
53011
83%
**40
98%
Vihtavuori N550
<<locked>>
86%
57029
89%
**28
100%
Vihtavuori N555
<<locked>>
95%
57421
90%
**64
100%
Vihtavuori N560
<<locked>>
97%
56405
88%
**07
97%
Vihtavuori N565
<<locked>>
97%
49647
78%
**63
95%
Winchester 6.5 StaBALL
<<locked>>
88%
57174
90%
**63
100%
Winchester 760
<<locked>>
84%
56811
89%
**41
99%
Winchester StaBALL HD 👍
<<locked>>
97%
49980
78%
**00
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
53606
84%
**10
100%
[ADI AR 2209]*
<<locked>>
81%
38421
60%
**84
93%
[ADI AR 2213]*
<<locked>>
82%
36477
57%
**51
90%
[ADI AR 2217]*
<<locked>>
92%
36724
58%
**41
90%
[ADI AR 2225]*
<<locked>>
89%
30429
48%
**13
90%
Accurate 2700
<<locked>>
81%
52431
82%
**51
98%
Accurate 3100
<<locked>>
81%
35810
56%
**95
96%
Accurate 4350
<<locked>>
81%
46818
73%
**44
100%
[Accurate MAGPRO]*
<<locked>>
87%
40335
63%
**76
90%
Alliant Reloder-16
<<locked>>
81%
43888
69%
**35
99%
Alliant Reloder-17
<<locked>>
81%
49719
78%
**59
100%
[Alliant Reloder-19]*
<<locked>>
81%
38624
61%
**90
94%
[Alliant Reloder-22]*
<<locked>>
81%
34621
54%
**21
92%
Alliant Reloder-23
<<locked>>
81%
33576
53%
**05
98%
[Alliant Reloder-25]*
<<locked>>
81%
29675
47%
**03
93%
Alliant Reloder-26
<<locked>>
81%
36114
57%
**30
97%
[Hodgdon H1000]*
<<locked>>
92%
36724
58%
**41
90%
Hodgdon H414
<<locked>>
81%
51300
80%
**46
99%
Hodgdon H4350
<<locked>>
81%
42076
66%
**10
96%
[Hodgdon H4831]*
<<locked>>
85%
37173
58%
**28
90%
[Hodgdon H4831 SC]*
<<locked>>
82%
37173
58%
**28
90%
Hodgdon Hybrid 100V
<<locked>>
81%
41684
65%
**23
100%
Hodgdon LVR
<<locked>>
81%
48341
76%
**74
99%
[Hodgdon Retumbo]*
<<locked>>
89%
30429
48%
**13
90%
Hodgdon Superperformance
<<locked>>
81%
46557
73%
**90
98%
Hodgdon VARGET
<<locked>>
81%
53476
84%
**10
100%
Hodgdon TrailBoss
<<locked>>
81%
28558
45%
**03
100%
IMR 4064
<<locked>>
81%
52895
83%
**90
100%
IMR 4166 Enduron
<<locked>>
81%
51779
81%
**67
99%
IMR 4350
<<locked>>
81%
44251
69%
**59
97%
IMR 4451 Enduron
<<locked>>
81%
50096
78%
**61
98%
IMR 4831
<<locked>>
81%
40480
63%
**10
99%
[IMR 4955 Enduron]*
<<locked>>
81%
36593
57%
**79
90%
[IMR 7828 SSC]*
<<locked>>
82%
36260
57%
**54
90%
Lovex S065
<<locked>>
81%
47935
75%
**12
99%
Lovex S070
<<locked>>
81%
46485
73%
**99
98%
[Lovex S071]*
<<locked>>
81%
31270
49%
**77
94%
Norma 204
<<locked>>
81%
44077
69%
**95
95%
[Norma 217]*
<<locked>>
93%
30806
48%
**59
90%
[Norma MRP]*
<<locked>>
81%
36013
56%
**97
94%
Norma URP
<<locked>>
81%
45092
71%
**18
99%
Ramshot Hunter
<<locked>>
81%
43584
68%
**99
98%
[Ramshot Magnum]*
<<locked>>
81%
32387
51%
**52
91%
ReloadSwiss RS 14
<<locked>>
81%
29298
46%
**42
100%
ReloadSwiss RS 60
<<locked>>
81%
47964
75%
**49
100%
ReloadSwiss RS 62
<<locked>>
81%
45701
72%
**54
99%
ReloadSwiss RS 70
<<locked>>
81%
43540
68%
**51
99%
[ReloadSwiss RS 76]*
<<locked>>
84%
31140
49%
**69
90%
Rottweil R 903
<<locked>>
81%
53330
84%
**07
100%
[Rottweil R 904]*
<<locked>>
81%
40103
63%
**67
93%
[Rottweil R 905]*
<<locked>>
81%
37913
59%
**71
93%
Rottweil R 907
<<locked>>
81%
49298
77%
**38
98%
SNPE Vectan Tubal 5000
<<locked>>
81%
53127
83%
**85
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
47268
74%
**66
98%
Shooters World Long Rifle
<<locked>>
81%
47935
75%
**12
99%
Somchem S355
<<locked>>
81%
53040
83%
**00
100%
[Somchem S361]*
<<locked>>
81%
40872
64%
**57
92%
Somchem S365
<<locked>>
81%
41829
66%
**79
100%
Somchem S385
<<locked>>
81%
38870
61%
**67
95%
Vihtavuori N135
<<locked>>
81%
51750
81%
**99
100%
Vihtavuori N150
<<locked>>
81%
45963
72%
**46
100%
Vihtavuori N160
<<locked>>
81%
48211
76%
**48
100%
[Vihtavuori N165]*
<<locked>>
81%
32851
51%
**10
92%
Vihtavuori N550
<<locked>>
81%
49240
77%
**00
100%
Vihtavuori N555
<<locked>>
81%
37608
59%
**94
99%
[Vihtavuori N560]*
<<locked>>
83%
36970
58%
**94
90%
[Vihtavuori N565]*
<<locked>>
86%
35491
56%
**51
90%
Winchester 6.5 StaBALL
<<locked>>
81%
45411
71%
**76
100%
Winchester 760
<<locked>>
81%
51300
80%
**46
99%
Winchester StaBALL HD
<<locked>>
81%
27847
44%
**12
98%

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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