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Load data for .300 Weath. Mag. + .308 | 140gr | Barnes X BT

Recommended Powder(s): Alliant Reloder-16, Norma URP, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70

.300 Weath. Mag. + .308 | 140gr | Barnes X BT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 140gr | Barnes X BT
Manufacturer SKU:
30810
Bullet Weight:
140gr | 9.1g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.145" | 29.1mm
Caliber:
.300 Weath. Mag. load data
Case Length (l3):
2.824" | 71.7mm
Cartridge Length (C.O.L.):
3.507" | 89.1mm
Seated Depth:
0.462" | 11.7mm
Shank Seated Depth:
0.338" | 8.6mm
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_B601_C379
Last updated:
2025-02-02
Recommended Twist Rate:
1:14 - 1:11

Load data for 144 loads in caliber .300 Weath. Mag. with .308 | 140gr | Barnes X BT bullet and 72 powders such as Alliant Reloder-16, Norma URP, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70. 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>>
86%
57261
90%
**99
100%
ADI AR 2209
<<locked>>
97%
57261
90%
**74
97%
[ADI AR 2213]*
<<locked>>
97%
51750
81%
**92
94%
Accurate 2700
<<locked>>
86%
56898
89%
**36
98%
Accurate 3100
<<locked>>
97%
52997
83%
**46
98%
Accurate 4350
<<locked>>
90%
56782
89%
**45
100%
[Accurate MAGPRO]*
<<locked>>
97%
50792
80%
**89
91%
Alliant Reloder- TS 15.5
<<locked>>
85%
57232
90%
**12
100%
Alliant Reloder-16 👍
<<locked>>
93%
57217
90%
**10
100%
Alliant Reloder-17
<<locked>>
88%
56608
89%
**04
100%
Alliant Reloder-19
<<locked>>
97%
56855
89%
**71
97%
Alliant Reloder-22
<<locked>>
97%
51198
80%
**05
96%
Alliant Reloder-23
<<locked>>
97%
48907
77%
**69
100%
Alliant Reloder-25
<<locked>>
97%
43134
68%
**61
97%
Alliant Reloder-26
<<locked>>
97%
55811
87%
**60
100%
Hodgdon CFE223
<<locked>>
83%
56985
89%
**55
100%
Hodgdon H380
<<locked>>
84%
56913
89%
**12
100%
Hodgdon H414
<<locked>>
87%
57130
90%
**68
98%
Hodgdon H4350
<<locked>>
94%
57392
90%
**15
98%
[Hodgdon H4831]*
<<locked>>
97%
48515
76%
**74
92%
[Hodgdon H4831 SC]*
<<locked>>
97%
54520
85%
**89
94%
Hodgdon Hybrid 100V
<<locked>>
94%
56942
89%
**15
100%
Hodgdon LVR
<<locked>>
89%
56623
89%
**48
99%
Hodgdon Superperformance
<<locked>>
90%
57174
90%
**94
98%
Hodgdon VARGET
<<locked>>
86%
57261
90%
**99
100%
Hodgdon TrailBoss
<<locked>>
96%
35041
55%
**11
100%
IMR 4064
<<locked>>
86%
57000
89%
**82
100%
IMR 4166 Enduron
<<locked>>
87%
57000
89%
**66
98%
IMR 4350
<<locked>>
92%
57421
90%
**19
98%
IMR 4451 Enduron
<<locked>>
88%
57145
90%
**05
98%
IMR 4831
<<locked>>
96%
56753
89%
**38
100%
[IMR 4955 Enduron]*
<<locked>>
97%
53388
84%
**33
94%
IMR 7828 SSC
<<locked>>
97%
53737
84%
**45
95%
Lovex S062
<<locked>>
83%
56927
89%
**73
100%
Lovex S065
<<locked>>
89%
56608
89%
**82
99%
Lovex S070
<<locked>>
91%
57000
89%
**09
98%
Lovex S071
<<locked>>
97%
44353
70%
**86
97%
Norma 204
<<locked>>
92%
57145
90%
**55
97%
Norma MRP
<<locked>>
97%
54215
85%
**01
98%
Norma URP 👍
<<locked>>
92%
57406
90%
**64
100%
Ramshot Hunter 👍
<<locked>>
92%
57421
90%
**78
99%
Ramshot Magnum
<<locked>>
97%
50111
79%
**53
96%
ReloadSwiss RS 14
<<locked>>
97%
36201
57%
**64
100%
ReloadSwiss RS 50
<<locked>>
84%
57116
89%
**02
99%
ReloadSwiss RS 60
<<locked>>
89%
57217
90%
**40
100%
ReloadSwiss RS 62 👍
<<locked>>
91%
56855
89%
**78
100%
ReloadSwiss RS 70 👍
<<locked>>
92%
57406
90%
**43
100%
[ReloadSwiss RS 76]*
<<locked>>
97%
42134
66%
**54
94%
Rottweil R 903
<<locked>>
86%
57145
90%
**05
100%
Rottweil R 904
<<locked>>
95%
56927
89%
**12
96%
Rottweil R 905
<<locked>>
97%
56768
89%
**68
97%
Rottweil R 907
<<locked>>
89%
57130
90%
**92
98%
SNPE Vectan SP 11
<<locked>>
86%
57334
90%
**51
100%
SNPE Vectan Tubal 5000
<<locked>>
86%
56797
89%
**68
100%
SNPE Vectan Tubal 7000
<<locked>>
90%
56942
89%
**40
98%
Shooters World Long Rifle
<<locked>>
89%
56608
89%
**82
99%
Shooters World Precision
<<locked>>
83%
56927
89%
**73
100%
Somchem S355
<<locked>>
86%
57174
90%
**99
100%
Somchem S361
<<locked>>
95%
57232
90%
**76
95%
Somchem S365
<<locked>>
94%
57305
90%
**78
100%
Somchem S385
<<locked>>
97%
57363
90%
**41
98%
Vihtavuori N135
<<locked>>
88%
57421
90%
**27
100%
Vihtavuori N150
<<locked>>
91%
56956
89%
**59
100%
Vihtavuori N160
<<locked>>
89%
57232
90%
**22
100%
Vihtavuori N165
<<locked>>
97%
47993
75%
**48
95%
Vihtavuori N550
<<locked>>
89%
56956
89%
**51
100%
Vihtavuori N555
<<locked>>
97%
54955
86%
**55
100%
[Vihtavuori N560]*
<<locked>>
97%
51735
81%
**32
94%
[Vihtavuori N565]*
<<locked>>
97%
44962
70%
**74
92%
Winchester 6.5 StaBALL
<<locked>>
91%
56681
89%
**82
100%
Winchester 760
<<locked>>
87%
57130
90%
**68
98%
Winchester StaBALL HD
<<locked>>
97%
42902
67%
**09
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
50067
78%
**71
99%
[ADI AR 2209]*
<<locked>>
82%
37086
58%
**38
90%
[ADI AR 2213]*
<<locked>>
90%
41829
66%
**72
90%
Accurate 2700
<<locked>>
81%
48950
77%
**92
96%
[Accurate 3100]*
<<locked>>
81%
32343
51%
**87
92%
Accurate 4350
<<locked>>
81%
42525
67%
**76
98%
[Accurate MAGPRO]*
<<locked>>
95%
47297
74%
**14
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
51068
80%
**00
100%
Alliant Reloder-16
<<locked>>
81%
39943
63%
**53
97%
Alliant Reloder-17
<<locked>>
81%
45353
71%
**97
100%
[Alliant Reloder-19]*
<<locked>>
82%
36593
57%
**25
90%
[Alliant Reloder-22]*
<<locked>>
86%
36550
57%
**61
90%
Alliant Reloder-23
<<locked>>
81%
30734
48%
**03
95%
[Alliant Reloder-25]*
<<locked>>
85%
30197
47%
**77
90%
[Alliant Reloder-26]*
<<locked>>
81%
33054
52%
**22
94%
Hodgdon CFE223
<<locked>>
81%
53272
83%
**96
100%
Hodgdon H380
<<locked>>
81%
52112
82%
**33
99%
Hodgdon H414
<<locked>>
81%
47065
74%
**84
96%
[Hodgdon H4350]*
<<locked>>
81%
38943
61%
**31
93%
[Hodgdon H4831]*
<<locked>>
93%
42946
67%
**49
90%
[Hodgdon H4831 SC]*
<<locked>>
89%
43221
68%
**63
90%
Hodgdon Hybrid 100V
<<locked>>
81%
37811
59%
**51
98%
Hodgdon LVR
<<locked>>
81%
44295
69%
**12
98%
[Hodgdon Superperformance]*
<<locked>>
81%
42438
66%
**95
94%
Hodgdon VARGET
<<locked>>
81%
49487
78%
**58
99%
Hodgdon TrailBoss
<<locked>>
81%
28094
44%
**44
100%
IMR 4064
<<locked>>
81%
49211
77%
**45
99%
IMR 4166 Enduron
<<locked>>
81%
48138
75%
**05
97%
[IMR 4350]*
<<locked>>
81%
40857
64%
**81
94%
IMR 4451 Enduron
<<locked>>
81%
46209
72%
**86
96%
IMR 4831
<<locked>>
81%
36883
58%
**22
96%
[IMR 4955 Enduron]*
<<locked>>
88%
41959
66%
**97
90%
[IMR 7828 SSC]*
<<locked>>
89%
41829
66%
**76
90%
Lovex S062
<<locked>>
81%
53461
84%
**14
100%
Lovex S065
<<locked>>
81%
44556
70%
**53
97%
Lovex S070
<<locked>>
81%
42989
67%
**30
95%
[Lovex S071]*
<<locked>>
82%
28935
45%
**82
90%
[Norma 204]*
<<locked>>
81%
40277
63%
**04
92%
[Norma MRP]*
<<locked>>
82%
33620
53%
**05
90%
Norma URP
<<locked>>
81%
41249
65%
**46
97%
Ramshot Hunter
<<locked>>
81%
40001
63%
**20
95%
[Ramshot Magnum]*
<<locked>>
87%
35578
56%
**05
90%
ReloadSwiss RS 14
<<locked>>
81%
28703
45%
**86
100%
ReloadSwiss RS 50
<<locked>>
81%
51547
81%
**00
98%
ReloadSwiss RS 60
<<locked>>
81%
43874
69%
**94
100%
ReloadSwiss RS 62
<<locked>>
81%
41553
65%
**72
97%
ReloadSwiss RS 70
<<locked>>
81%
40045
63%
**72
96%
[ReloadSwiss RS 76]*
<<locked>>
91%
35418
56%
**61
90%
Rottweil R 903
<<locked>>
81%
49139
77%
**58
100%
[Rottweil R 904]*
<<locked>>
84%
39929
63%
**58
90%
[Rottweil R 905]*
<<locked>>
82%
36230
57%
**25
90%
Rottweil R 907
<<locked>>
81%
45672
72%
**69
95%
SNPE Vectan SP 11
<<locked>>
81%
49545
78%
**10
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
49356
77%
**56
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
43816
69%
**94
96%
Shooters World Long Rifle
<<locked>>
81%
44556
70%
**53
97%
Shooters World Precision
<<locked>>
81%
53461
84%
**14
100%
Somchem S355
<<locked>>
81%
49226
77%
**61
100%
[Somchem S361]*
<<locked>>
85%
42409
66%
**74
90%
Somchem S365
<<locked>>
81%
37724
59%
**10
99%
[Somchem S385]*
<<locked>>
81%
35534
56%
**69
91%
Vihtavuori N135
<<locked>>
81%
48008
75%
**66
100%
Vihtavuori N150
<<locked>>
81%
42482
67%
**90
100%
Vihtavuori N160
<<locked>>
81%
44338
69%
**72
98%
[Vihtavuori N165]*
<<locked>>
85%
34258
54%
**26
90%
Vihtavuori N550
<<locked>>
81%
45020
71%
**25
98%
Vihtavuori N555
<<locked>>
81%
33953
53%
**99
96%
[Vihtavuori N560]*
<<locked>>
91%
42902
67%
**35
90%
[Vihtavuori N565]*
<<locked>>
94%
41307
65%
**86
90%
Winchester 6.5 StaBALL
<<locked>>
81%
41698
65%
**04
99%
Winchester 760
<<locked>>
81%
47065
74%
**84
96%
[Winchester StaBALL HD]*
<<locked>>
81%
27630
43%
**74
94%

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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