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Load data for .300 Weath. Mag. + .308 | 155gr | Berger BT Target

Recommended Powder(s):

.300 Weath. Mag. + .308 | 155gr | Berger BT Target

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 155gr | Berger BT Target
Manufacturer SKU:
30409
Bullet Weight:
155gr | 10.0g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.212" | 30.8mm
Caliber:
.300 Weath. Mag. load data
Case Length (l3):
2.824" | 71.7mm
Cartridge Length (C.O.L.):
3.507" | 89.1mm
Seated Depth:
0.529" | 13.4mm
Shank Seated Depth:
0.375" | 9.5mm
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_B1059_C379
Last updated:
2025-01-01
Recommended Twist Rate:
1:13 - 1:11

Load data for 162 loads in caliber .300 Weath. Mag. with .308 | 155gr | Berger BT Target bullet and 81 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".

  • No data yet

  • 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%
57101
89%
**77
100%
ADI AR 2209
<<locked>>
97%
57072
89%
**66
98%
ADI AR 2213
<<locked>>
97%
51314
80%
**87
95%
Accurate 2700
<<locked>>
87%
56869
89%
**25
98%
Accurate 3100
<<locked>>
97%
50343
79%
**95
99%
Accurate 4064
<<locked>>
84%
57043
89%
**38
100%
Accurate 4350
<<locked>>
91%
56782
89%
**30
100%
[Accurate MAGPRO]*
<<locked>>
97%
49705
78%
**68
93%
Alliant Reloder- TS 15.5
<<locked>>
86%
57290
90%
**91
100%
Alliant Reloder-15
<<locked>>
83%
56898
89%
**04
100%
Alliant Reloder-16 👍
<<locked>>
93%
56898
89%
**86
100%
Alliant Reloder-17
<<locked>>
88%
57000
89%
**86
100%
Alliant Reloder-19
<<locked>>
97%
56362
88%
**43
98%
Alliant Reloder-22
<<locked>>
97%
50270
79%
**81
97%
Alliant Reloder-23
<<locked>>
97%
47369
74%
**22
100%
Alliant Reloder-25
<<locked>>
97%
41379
65%
**30
98%
Alliant Reloder-26
<<locked>>
97%
54520
85%
**15
100%
Hodgdon CFE223
<<locked>>
83%
57072
89%
**36
100%
Hodgdon H380
<<locked>>
85%
56942
89%
**97
100%
Hodgdon H414
<<locked>>
88%
57290
90%
**53
99%
Hodgdon H4350
<<locked>>
94%
57014
89%
**91
99%
[Hodgdon H4831]*
<<locked>>
97%
47239
74%
**49
93%
Hodgdon H4831 SC
<<locked>>
97%
53853
84%
**77
95%
Hodgdon Hybrid 100V
<<locked>>
95%
57145
90%
**00
100%
Hodgdon LVR
<<locked>>
90%
57363
90%
**46
100%
Hodgdon Superperformance 👍
<<locked>>
90%
56869
89%
**82
99%
Hodgdon VARGET
<<locked>>
86%
57101
89%
**77
100%
Hodgdon TrailBoss
<<locked>>
97%
34954
55%
**16
100%
IMR 4064
<<locked>>
87%
56971
89%
**68
100%
IMR 4166 Enduron
<<locked>>
88%
57377
90%
**64
99%
IMR 4350
<<locked>>
93%
57043
89%
**91
99%
IMR 4451 Enduron
<<locked>>
89%
57203
90%
**84
99%
IMR 4831
<<locked>>
97%
57058
89%
**17
100%
IMR 4955 Enduron
<<locked>>
97%
52808
83%
**22
95%
IMR 7828 SSC
<<locked>>
97%
52866
83%
**23
96%
Lovex S062
<<locked>>
84%
56927
89%
**51
100%
Lovex S065
<<locked>>
90%
56797
89%
**74
100%
Lovex S070
<<locked>>
92%
57305
90%
**07
99%
Lovex S071
<<locked>>
97%
42047
66%
**35
97%
Norma 203B
<<locked>>
84%
56913
89%
**00
100%
Norma 204
<<locked>>
92%
57348
90%
**40
98%
Norma MRP
<<locked>>
97%
53229
83%
**66
99%
Norma URP
<<locked>>
92%
56695
89%
**33
100%
Ramshot Big Game
<<locked>>
83%
56913
89%
**14
100%
Ramshot Hunter 👍
<<locked>>
93%
56971
89%
**59
100%
Ramshot Magnum
<<locked>>
97%
48849
77%
**25
97%
ReloadSwiss RS 14
<<locked>>
96%
35534
56%
**59
100%
ReloadSwiss RS 50
<<locked>>
85%
56637
89%
**71
99%
ReloadSwiss RS 52
<<locked>>
84%
57174
90%
**10
100%
ReloadSwiss RS 60
<<locked>>
89%
56956
89%
**12
100%
ReloadSwiss RS 62 👍
<<locked>>
91%
56840
89%
**56
100%
ReloadSwiss RS 70 👍
<<locked>>
92%
57305
90%
**19
100%
ReloadSwiss RS 76
<<locked>>
97%
40408
63%
**27
95%
Rottweil R 902
<<locked>>
83%
57392
90%
**48
100%
Rottweil R 903
<<locked>>
87%
57406
90%
**84
100%
Rottweil R 904
<<locked>>
96%
56710
89%
**97
97%
Rottweil R 905
<<locked>>
97%
55622
87%
**27
98%
Rottweil R 907
<<locked>>
89%
57276
90%
**87
99%
SNPE Vectan SP 11
<<locked>>
86%
56666
89%
**10
100%
SNPE Vectan Tubal 5000
<<locked>>
87%
57174
90%
**53
100%
SNPE Vectan Tubal 7000
<<locked>>
90%
57087
89%
**25
99%
Shooters World Long Rifle
<<locked>>
90%
56797
89%
**74
100%
Shooters World Precision
<<locked>>
84%
56927
89%
**51
100%
Somchem S355
<<locked>>
87%
57406
90%
**84
100%
Somchem S361
<<locked>>
95%
56826
89%
**61
96%
Somchem S365
<<locked>>
95%
57305
90%
**53
100%
Somchem S385
<<locked>>
97%
56565
89%
**07
99%
Vihtavuori N133
<<locked>>
83%
57116
90%
**43
100%
Vihtavuori N135
<<locked>>
88%
56739
89%
**89
100%
Vihtavuori N140
<<locked>>
83%
57174
90%
**05
100%
Vihtavuori N150
<<locked>>
92%
57348
90%
**35
100%
Vihtavuori N160
<<locked>>
90%
57319
90%
**04
100%
Vihtavuori N165
<<locked>>
97%
47137
74%
**30
96%
Vihtavuori N540
<<locked>>
83%
56826
89%
**25
100%
Vihtavuori N550
<<locked>>
89%
57203
90%
**40
100%
Vihtavuori N555
<<locked>>
97%
52837
83%
**94
100%
Vihtavuori N560
<<locked>>
97%
50517
79%
**94
95%
[Vihtavuori N565]*
<<locked>>
97%
42989
67%
**27
93%
Winchester 6.5 StaBALL
<<locked>>
91%
56971
89%
**68
100%
Winchester 760
<<locked>>
88%
57290
90%
**53
99%
Winchester StaBALL HD
<<locked>>
97%
42032
66%
**54
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
48907
77%
**30
100%
[ADI AR 2209]*
<<locked>>
81%
33881
53%
**61
90%
[ADI AR 2213]*
<<locked>>
88%
38508
60%
**99
90%
Accurate 2700
<<locked>>
81%
46963
74%
**51
97%
[Accurate 3100]*
<<locked>>
81%
29370
46%
**20
92%
Accurate 4064
<<locked>>
81%
51909
81%
**66
100%
Accurate 4350
<<locked>>
81%
40001
63%
**18
98%
[Accurate MAGPRO]*
<<locked>>
93%
43221
68%
**33
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
49661
78%
**63
100%
Alliant Reloder-15
<<locked>>
81%
52953
83%
**38
100%
Alliant Reloder-16
<<locked>>
81%
38595
60%
**18
98%
Alliant Reloder-17
<<locked>>
81%
44135
69%
**63
100%
[Alliant Reloder-19]*
<<locked>>
81%
33765
53%
**61
90%
[Alliant Reloder-22]*
<<locked>>
85%
33388
52%
**87
90%
Alliant Reloder-23
<<locked>>
81%
28384
44%
**46
95%
[Alliant Reloder-25]*
<<locked>>
84%
27847
44%
**20
90%
[Alliant Reloder-26]*
<<locked>>
81%
30371
48%
**61
94%
Hodgdon CFE223
<<locked>>
81%
52489
82%
**54
100%
Hodgdon H380
<<locked>>
81%
50401
79%
**82
99%
Hodgdon H414
<<locked>>
81%
45411
71%
**40
97%
[Hodgdon H4350]*
<<locked>>
81%
37289
58%
**03
94%
[Hodgdon H4831]*
<<locked>>
91%
39581
62%
**82
90%
[Hodgdon H4831 SC]*
<<locked>>
88%
39450
62%
**69
90%
Hodgdon Hybrid 100V
<<locked>>
81%
35940
56%
**10
99%
Hodgdon LVR
<<locked>>
81%
42583
67%
**71
98%
Hodgdon Superperformance
<<locked>>
81%
40988
64%
**71
95%
Hodgdon VARGET
<<locked>>
81%
48327
76%
**30
100%
Hodgdon TrailBoss
<<locked>>
81%
27789
44%
**55
100%
IMR 4064
<<locked>>
81%
47993
75%
**10
100%
IMR 4166 Enduron
<<locked>>
81%
46934
74%
**81
97%
[IMR 4350]*
<<locked>>
81%
39175
61%
**43
94%
IMR 4451 Enduron
<<locked>>
81%
45136
71%
**64
97%
IMR 4831
<<locked>>
81%
34548
54%
**67
96%
[IMR 4955 Enduron]*
<<locked>>
86%
38116
60%
**10
90%
[IMR 7828 SSC]*
<<locked>>
88%
38101
60%
**99
90%
Lovex S062
<<locked>>
81%
51692
81%
**69
100%
Lovex S065
<<locked>>
81%
42656
67%
**08
98%
Lovex S070
<<locked>>
81%
40843
64%
**89
96%
[Lovex S071]*
<<locked>>
83%
26832
42%
**41
90%
Norma 203B
<<locked>>
81%
52460
82%
**25
100%
[Norma 204]*
<<locked>>
81%
38928
61%
**76
93%
[Norma MRP]*
<<locked>>
81%
30574
48%
**28
90%
Norma URP
<<locked>>
81%
39595
62%
**12
98%
Ramshot Big Game
<<locked>>
81%
52794
83%
**51
100%
Ramshot Hunter
<<locked>>
81%
38363
60%
**92
96%
[Ramshot Magnum]*
<<locked>>
86%
32343
51%
**38
90%
ReloadSwiss RS 14
<<locked>>
81%
28355
44%
**98
100%
ReloadSwiss RS 50
<<locked>>
81%
50430
79%
**69
99%
ReloadSwiss RS 52
<<locked>>
81%
52417
82%
**31
100%
ReloadSwiss RS 60
<<locked>>
81%
42641
67%
**49
100%
ReloadSwiss RS 62
<<locked>>
81%
39711
62%
**28
98%
ReloadSwiss RS 70
<<locked>>
81%
38450
60%
**38
97%
[ReloadSwiss RS 76]*
<<locked>>
91%
32851
51%
**00
90%
Rottweil R 902
<<locked>>
81%
53461
84%
**79
100%
Rottweil R 903
<<locked>>
81%
46978
74%
**17
100%
[Rottweil R 904]*
<<locked>>
82%
36405
57%
**74
90%
[Rottweil R 905]*
<<locked>>
81%
32953
52%
**41
90%
Rottweil R 907
<<locked>>
81%
43874
69%
**31
96%
SNPE Vectan SP 11
<<locked>>
81%
48341
76%
**69
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
48109
75%
**22
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
42032
66%
**56
96%
Shooters World Long Rifle
<<locked>>
81%
42656
67%
**08
98%
Shooters World Precision
<<locked>>
81%
51692
81%
**69
100%
Somchem S355
<<locked>>
81%
47195
74%
**10
100%
[Somchem S361]*
<<locked>>
84%
38986
61%
**07
90%
Somchem S365
<<locked>>
81%
35810
56%
**62
100%
[Somchem S385]*
<<locked>>
81%
33243
52%
**18
92%
Vihtavuori N133
<<locked>>
81%
53679
84%
**97
100%
Vihtavuori N135
<<locked>>
81%
45905
72%
**22
100%
Vihtavuori N140
<<locked>>
81%
53258
83%
**49
100%
Vihtavuori N150
<<locked>>
81%
40451
63%
**49
100%
Vihtavuori N160
<<locked>>
81%
42627
67%
**38
99%
[Vihtavuori N165]*
<<locked>>
85%
31633
50%
**69
90%
Vihtavuori N540
<<locked>>
81%
52997
83%
**69
100%
Vihtavuori N550
<<locked>>
81%
43294
68%
**81
99%
Vihtavuori N555
<<locked>>
81%
31386
49%
**35
96%
[Vihtavuori N560]*
<<locked>>
89%
38870
61%
**38
90%
[Vihtavuori N565]*
<<locked>>
93%
37898
59%
**08
90%
Winchester 6.5 StaBALL
<<locked>>
81%
40118
63%
**76
100%
Winchester 760
<<locked>>
81%
45411
71%
**40
97%
[Winchester StaBALL HD]*
<<locked>>
81%
25092
39%
**93
93%

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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