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Load data for .300 Weath. Mag. + .308 | 150gr | Barnes X S

Recommended Powder(s):

.300 Weath. Mag. + .308 | 150gr | Barnes X S

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 150gr | Barnes X S
Manufacturer SKU:
30815
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.205" | 30.6mm
Caliber:
.300 Weath. Mag. load data
Case Length (l3):
2.824" | 71.7mm
Cartridge Length (C.O.L.):
3.507" | 89.1mm
Seated Depth:
0.522" | 13.3mm
Shank Seated Depth:
0.522" | 13.3mm
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_B613_C379
Last updated:
2025-01-01

Load data for 142 loads in caliber .300 Weath. Mag. with .308 | 150gr | Barnes X S bullet and 71 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>>
85%
57319
90%
**00
100%
ADI AR 2209
<<locked>>
95%
57174
90%
**82
97%
ADI AR 2213
<<locked>>
97%
53548
84%
**50
95%
[ADI AR 2225]*
<<locked>>
97%
36085
57%
**79
92%
Accurate 2700
<<locked>>
85%
56550
89%
**41
98%
Accurate 3100
<<locked>>
97%
54955
86%
**87
99%
Accurate 4350
<<locked>>
89%
57232
90%
**63
100%
[Accurate MAGPRO]*
<<locked>>
97%
53084
83%
**53
93%
Alliant Reloder- TS 15.5
<<locked>>
84%
57029
89%
**04
100%
Alliant Reloder-16
<<locked>>
91%
56913
89%
**05
100%
Alliant Reloder-17
<<locked>>
87%
57043
89%
**12
100%
Alliant Reloder-19
<<locked>>
96%
56942
89%
**76
98%
Alliant Reloder-22
<<locked>>
97%
53229
83%
**59
97%
Alliant Reloder-23
<<locked>>
97%
50749
80%
**00
100%
Alliant Reloder-25
<<locked>>
97%
44701
70%
**22
98%
Alliant Reloder-26 👍
<<locked>>
96%
57145
90%
**94
100%
Hodgdon H380
<<locked>>
83%
57276
90%
**20
100%
Hodgdon H414
<<locked>>
86%
56913
89%
**73
99%
Hodgdon H4350
<<locked>>
93%
57101
89%
**17
98%
[Hodgdon H4831]*
<<locked>>
97%
50299
79%
**28
94%
Hodgdon H4831 SC
<<locked>>
97%
56173
88%
**36
95%
Hodgdon Hybrid 100V
<<locked>>
93%
57101
89%
**27
100%
Hodgdon LVR
<<locked>>
88%
56710
89%
**53
100%
[Hodgdon Retumbo]*
<<locked>>
97%
36085
57%
**79
92%
Hodgdon Superperformance
<<locked>>
88%
56855
89%
**05
99%
Hodgdon VARGET
<<locked>>
85%
57217
90%
**07
100%
Hodgdon TrailBoss
<<locked>>
96%
35404
55%
**46
100%
IMR 4064
<<locked>>
85%
57014
89%
**87
100%
IMR 4166 Enduron
<<locked>>
86%
56666
89%
**74
99%
IMR 4350
<<locked>>
91%
57116
89%
**17
98%
IMR 4451 Enduron
<<locked>>
87%
57101
89%
**07
99%
IMR 4831
<<locked>>
95%
57276
90%
**46
100%
IMR 4955 Enduron
<<locked>>
97%
55230
87%
**87
95%
IMR 7828 SSC
<<locked>>
97%
55201
86%
**86
96%
Lovex S065
<<locked>>
89%
57392
90%
**07
100%
Lovex S070
<<locked>>
90%
57174
90%
**20
99%
Lovex S071
<<locked>>
97%
46615
73%
**49
98%
Norma 204
<<locked>>
91%
57043
89%
**53
97%
Norma MRP
<<locked>>
97%
56695
89%
**58
99%
Norma URP
<<locked>>
90%
57174
90%
**63
100%
Ramshot Hunter 👍
<<locked>>
91%
57087
89%
**82
99%
Ramshot Magnum
<<locked>>
97%
52243
82%
**10
97%
ReloadSwiss RS 14
<<locked>>
96%
36056
56%
**88
100%
ReloadSwiss RS 50
<<locked>>
83%
57392
90%
**14
99%
ReloadSwiss RS 60
<<locked>>
88%
56782
89%
**38
100%
ReloadSwiss RS 62 👍
<<locked>>
90%
57348
90%
**79
100%
ReloadSwiss RS 70 👍
<<locked>>
91%
56536
89%
**28
100%
ReloadSwiss RS 76
<<locked>>
97%
43511
68%
**22
96%
Rottweil R 903
<<locked>>
85%
57130
90%
**00
100%
Rottweil R 904
<<locked>>
94%
56739
89%
**23
96%
Rottweil R 905
<<locked>>
96%
57406
90%
**89
98%
Rottweil R 907
<<locked>>
88%
56840
89%
**94
98%
SNPE Vectan SP 11
<<locked>>
85%
57406
90%
**43
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
57217
90%
**76
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
56811
89%
**45
99%
Shooters World Long Rifle
<<locked>>
89%
57392
90%
**07
100%
Somchem S355
<<locked>>
85%
57334
90%
**04
100%
Somchem S361
<<locked>>
93%
57290
90%
**87
96%
Somchem S365
<<locked>>
93%
57174
90%
**82
100%
Somchem S385
<<locked>>
96%
57290
90%
**46
98%
Vihtavuori N135
<<locked>>
86%
57276
90%
**18
100%
Vihtavuori N150
<<locked>>
90%
57217
90%
**68
100%
Vihtavuori N160
<<locked>>
88%
57145
90%
**27
100%
Vihtavuori N165
<<locked>>
97%
50314
79%
**05
97%
Vihtavuori N550
<<locked>>
88%
57058
89%
**59
100%
Vihtavuori N555 👍
<<locked>>
97%
57043
89%
**96
100%
Vihtavuori N560
<<locked>>
97%
53200
83%
**73
95%
[Vihtavuori N565]*
<<locked>>
97%
46427
73%
**22
93%
Winchester 6.5 StaBALL
<<locked>>
90%
57058
89%
**00
100%
Winchester 760
<<locked>>
86%
56913
89%
**73
99%
Winchester StaBALL HD
<<locked>>
97%
45498
71%
**63
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
51256
80%
**95
100%
[ADI AR 2209]*
<<locked>>
81%
36840
58%
**53
91%
[ADI AR 2213]*
<<locked>>
87%
39682
62%
**35
90%
[ADI AR 2225]*
<<locked>>
94%
33141
52%
**90
90%
Accurate 2700
<<locked>>
81%
50357
79%
**33
97%
[Accurate 3100]*
<<locked>>
81%
33504
52%
**38
93%
Accurate 4350
<<locked>>
81%
43990
69%
**17
99%
[Accurate MAGPRO]*
<<locked>>
92%
44512
70%
**82
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
52678
83%
**41
100%
Alliant Reloder-16
<<locked>>
81%
41568
65%
**10
99%
Alliant Reloder-17
<<locked>>
81%
47065
74%
**41
100%
[Alliant Reloder-19]*
<<locked>>
81%
36666
57%
**43
91%
[Alliant Reloder-22]*
<<locked>>
83%
34490
54%
**26
90%
Alliant Reloder-23
<<locked>>
81%
31778
50%
**64
97%
[Alliant Reloder-25]*
<<locked>>
81%
28442
45%
**46
90%
Alliant Reloder-26
<<locked>>
81%
33982
53%
**82
95%
Hodgdon H380
<<locked>>
81%
53664
84%
**68
100%
Hodgdon H414
<<locked>>
81%
48776
76%
**18
97%
[Hodgdon H4350]*
<<locked>>
81%
40451
63%
**89
94%
[Hodgdon H4831]*
<<locked>>
90%
40379
63%
**15
90%
[Hodgdon H4831 SC]*
<<locked>>
86%
40466
63%
**12
90%
Hodgdon Hybrid 100V
<<locked>>
81%
39305
62%
**02
99%
Hodgdon LVR
<<locked>>
81%
45687
72%
**53
98%
[Hodgdon Retumbo]*
<<locked>>
94%
33141
52%
**90
90%
Hodgdon Superperformance
<<locked>>
81%
43961
69%
**56
96%
Hodgdon VARGET
<<locked>>
81%
51155
80%
**99
100%
Hodgdon TrailBoss
<<locked>>
81%
28210
44%
**81
100%
IMR 4064
<<locked>>
81%
50647
79%
**79
100%
IMR 4166 Enduron
<<locked>>
81%
49661
78%
**49
98%
IMR 4350
<<locked>>
81%
42105
66%
**31
95%
IMR 4451 Enduron
<<locked>>
81%
47834
75%
**36
97%
IMR 4831
<<locked>>
81%
38276
60%
**76
97%
[IMR 4955 Enduron]*
<<locked>>
85%
39450
62%
**53
90%
[IMR 7828 SSC]*
<<locked>>
86%
39421
62%
**51
90%
Lovex S065
<<locked>>
81%
46195
72%
**00
98%
Lovex S070
<<locked>>
81%
44367
70%
**81
97%
[Lovex S071]*
<<locked>>
81%
29443
46%
**26
91%
[Norma 204]*
<<locked>>
81%
41640
65%
**54
93%
[Norma MRP]*
<<locked>>
81%
34142
53%
**49
92%
Norma URP
<<locked>>
81%
42757
67%
**00
98%
Ramshot Hunter
<<locked>>
81%
41423
65%
**71
96%
[Ramshot Magnum]*
<<locked>>
84%
33721
53%
**84
90%
ReloadSwiss RS 14
<<locked>>
81%
28950
45%
**27
100%
ReloadSwiss RS 50
<<locked>>
81%
53084
83%
**38
99%
ReloadSwiss RS 60
<<locked>>
81%
45484
71%
**28
100%
ReloadSwiss RS 62
<<locked>>
81%
43221
68%
**27
98%
ReloadSwiss RS 70
<<locked>>
81%
41321
65%
**27
98%
[ReloadSwiss RS 76]*
<<locked>>
88%
33518
53%
**33
90%
Rottweil R 903
<<locked>>
81%
50792
80%
**02
100%
[Rottweil R 904]*
<<locked>>
81%
38014
60%
**33
90%
[Rottweil R 905]*
<<locked>>
81%
36129
57%
**40
91%
Rottweil R 907
<<locked>>
81%
47021
74%
**10
96%
SNPE Vectan SP 11
<<locked>>
81%
51155
80%
**45
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
50908
80%
**84
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
45049
71%
**31
97%
Shooters World Long Rifle
<<locked>>
81%
46195
72%
**00
98%
Somchem S355
<<locked>>
81%
50647
79%
**95
100%
[Somchem S361]*
<<locked>>
82%
39682
62%
**43
90%
Somchem S365
<<locked>>
81%
39624
62%
**61
100%
[Somchem S385]*
<<locked>>
81%
37043
58%
**26
93%
Vihtavuori N135
<<locked>>
81%
49574
78%
**00
100%
Vihtavuori N150
<<locked>>
81%
43830
69%
**31
100%
Vihtavuori N160
<<locked>>
81%
45818
72%
**27
99%
[Vihtavuori N165]*
<<locked>>
82%
32503
51%
**02
90%
Vihtavuori N550
<<locked>>
81%
46499
73%
**66
99%
Vihtavuori N555
<<locked>>
81%
35520
56%
**53
97%
[Vihtavuori N560]*
<<locked>>
88%
40277
63%
**90
90%
[Vihtavuori N565]*
<<locked>>
91%
38580
60%
**38
90%
Winchester 6.5 StaBALL
<<locked>>
81%
43192
68%
**51
100%
Winchester 760
<<locked>>
81%
48776
76%
**18
97%
Winchester StaBALL HD
<<locked>>
81%
28601
45%
**41
96%

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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