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Load data for .300 Weath. Mag. + .308 | 165gr | Speer TBBC

Recommended Powder(s):

.300 Weath. Mag. + .308 | 165gr | Speer TBBC

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 165gr | Speer TBBC
Manufacturer SKU:
1760
Bullet Weight:
165gr | 10.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.210" | 30.7mm
Caliber:
.300 Weath. Mag. load data
Case Length (l3):
2.824" | 71.7mm
Cartridge Length (C.O.L.):
3.507" | 89.1mm
Seated Depth:
0.527" | 13.4mm
Shank Seated Depth:
0.527" | 13.4mm
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_B6160_C379
Last updated:
2025-01-01

Load data for 146 loads in caliber .300 Weath. Mag. with .308 | 165gr | Speer TBBC bullet and 73 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%
56869
89%
**79
100%
ADI AR 2209
<<locked>>
95%
57203
90%
**84
98%
ADI AR 2213
<<locked>>
97%
54331
85%
**61
97%
[ADI AR 2217]*
<<locked>>
97%
39682
62%
**43
92%
[ADI AR 2225]*
<<locked>>
97%
35027
55%
**84
94%
Accurate 2700
<<locked>>
85%
56724
89%
**46
99%
Accurate 3100
<<locked>>
97%
53679
84%
**66
100%
Accurate 4350
<<locked>>
90%
57145
90%
**48
100%
Accurate MAGPRO
<<locked>>
97%
53171
83%
**51
95%
Alliant Reloder- TS 15.5
<<locked>>
84%
57421
90%
**95
100%
Alliant Reloder-16
<<locked>>
91%
57043
89%
**94
100%
Alliant Reloder-17
<<locked>>
87%
57435
90%
**97
100%
Alliant Reloder-19
<<locked>>
96%
57406
90%
**77
98%
Alliant Reloder-22
<<locked>>
97%
53548
84%
**51
98%
Alliant Reloder-23
<<locked>>
97%
50546
79%
**82
100%
Alliant Reloder-25
<<locked>>
97%
44005
69%
**10
99%
Alliant Reloder-26 👍
<<locked>>
96%
56985
89%
**69
100%
[Hodgdon H1000]*
<<locked>>
97%
39682
62%
**43
92%
Hodgdon H380
<<locked>>
83%
57043
89%
**15
100%
Hodgdon H414
<<locked>>
86%
56869
89%
**68
99%
Hodgdon H4350
<<locked>>
93%
57014
89%
**15
99%
Hodgdon H4831
<<locked>>
97%
49980
78%
**30
95%
Hodgdon H4831 SC
<<locked>>
97%
56869
89%
**41
97%
Hodgdon Hybrid 100V
<<locked>>
93%
57174
90%
**09
100%
Hodgdon LVR
<<locked>>
88%
56971
89%
**45
100%
[Hodgdon Retumbo]*
<<locked>>
97%
35027
55%
**84
94%
Hodgdon Superperformance
<<locked>>
88%
57174
90%
**94
99%
Hodgdon VARGET
<<locked>>
85%
57174
90%
**89
100%
Hodgdon TrailBoss
<<locked>>
97%
35128
55%
**60
100%
IMR 4064
<<locked>>
85%
56782
89%
**69
100%
IMR 4166 Enduron
<<locked>>
86%
57203
90%
**79
99%
IMR 4350
<<locked>>
91%
57029
89%
**15
99%
IMR 4451 Enduron
<<locked>>
87%
56942
89%
**02
99%
IMR 4831
<<locked>>
95%
57232
90%
**35
100%
IMR 4955 Enduron
<<locked>>
97%
55390
87%
**92
97%
IMR 7828 SSC
<<locked>>
97%
55274
87%
**94
97%
Lovex S065
<<locked>>
89%
56637
89%
**89
100%
Lovex S070
<<locked>>
90%
57276
90%
**12
99%
Lovex S071
<<locked>>
97%
45165
71%
**25
98%
Norma 204
<<locked>>
91%
56927
89%
**45
98%
Norma MRP
<<locked>>
97%
56927
89%
**40
99%
Norma URP
<<locked>>
91%
57014
89%
**45
100%
Ramshot Hunter 👍
<<locked>>
91%
57174
90%
**74
100%
Ramshot Magnum
<<locked>>
97%
52156
82%
**09
98%
ReloadSwiss RS 14
<<locked>>
96%
35810
56%
**03
100%
ReloadSwiss RS 50
<<locked>>
84%
57334
90%
**05
100%
ReloadSwiss RS 60
<<locked>>
88%
56710
89%
**10
100%
ReloadSwiss RS 62
<<locked>>
90%
56913
89%
**61
100%
ReloadSwiss RS 70 👍
<<locked>>
91%
57145
90%
**27
100%
ReloadSwiss RS 76
<<locked>>
97%
42627
67%
**13
97%
Rottweil R 903
<<locked>>
85%
56898
89%
**92
100%
Rottweil R 904
<<locked>>
94%
56695
89%
**15
97%
Rottweil R 905
<<locked>>
96%
57377
90%
**74
99%
Rottweil R 907
<<locked>>
88%
57188
90%
**95
99%
SNPE Vectan SP 11
<<locked>>
85%
57421
90%
**38
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
56884
89%
**58
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
57319
90%
**56
99%
Shooters World Long Rifle
<<locked>>
89%
56637
89%
**89
100%
Somchem S355
<<locked>>
86%
57174
90%
**92
100%
Somchem S361
<<locked>>
93%
57159
90%
**89
97%
Somchem S365
<<locked>>
93%
57217
90%
**61
100%
Somchem S385
<<locked>>
95%
56884
89%
**38
99%
Vihtavuori N135
<<locked>>
87%
57334
90%
**04
100%
Vihtavuori N150
<<locked>>
91%
57145
90%
**43
100%
Vihtavuori N160
<<locked>>
88%
56782
89%
**02
100%
Vihtavuori N165
<<locked>>
97%
50053
78%
**00
98%
Vihtavuori N550
<<locked>>
88%
56652
89%
**48
100%
Vihtavuori N555 👍
<<locked>>
97%
56449
88%
**71
100%
Vihtavuori N560
<<locked>>
97%
53780
84%
**81
96%
[Vihtavuori N565]*
<<locked>>
97%
45469
71%
**97
94%
Winchester 6.5 StaBALL
<<locked>>
90%
57203
90%
**82
100%
Winchester 760
<<locked>>
86%
56869
89%
**68
99%
Winchester StaBALL HD 👍
<<locked>>
97%
46021
72%
**38
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
51068
80%
**90
100%
[ADI AR 2209]*
<<locked>>
81%
35665
56%
**41
92%
[ADI AR 2213]*
<<locked>>
85%
36419
57%
**74
90%
[ADI AR 2217]*
<<locked>>
94%
36463
57%
**61
90%
[ADI AR 2225]*
<<locked>>
92%
30327
48%
**33
90%
Accurate 2700
<<locked>>
81%
49168
77%
**15
98%
[Accurate 3100]*
<<locked>>
81%
31430
49%
**03
94%
Accurate 4350
<<locked>>
81%
42569
67%
**95
99%
[Accurate MAGPRO]*
<<locked>>
90%
40857
64%
**99
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
52054
82%
**13
100%
Alliant Reloder-16
<<locked>>
81%
40669
64%
**85
99%
Alliant Reloder-17
<<locked>>
81%
46934
74%
**33
100%
[Alliant Reloder-19]*
<<locked>>
81%
35708
56%
**41
92%
[Alliant Reloder-22]*
<<locked>>
81%
31778
50%
**66
90%
Alliant Reloder-23
<<locked>>
81%
30168
47%
**36
97%
[Alliant Reloder-25]*
<<locked>>
81%
26571
42%
**18
90%
Alliant Reloder-26
<<locked>>
81%
32663
51%
**61
96%
[Hodgdon H1000]*
<<locked>>
94%
36463
57%
**61
90%
Hodgdon H380
<<locked>>
81%
52895
83%
**40
100%
Hodgdon H414
<<locked>>
81%
47935
75%
**10
98%
Hodgdon H4350
<<locked>>
81%
39407
62%
**80
95%
[Hodgdon H4831]*
<<locked>>
88%
36941
58%
**51
90%
[Hodgdon H4831 SC]*
<<locked>>
84%
37304
58%
**57
90%
Hodgdon Hybrid 100V
<<locked>>
81%
38450
60%
**84
99%
Hodgdon LVR
<<locked>>
81%
45150
71%
**41
99%
[Hodgdon Retumbo]*
<<locked>>
92%
30327
48%
**33
90%
Hodgdon Superperformance
<<locked>>
81%
43134
68%
**38
97%
Hodgdon VARGET
<<locked>>
81%
50763
80%
**81
100%
Hodgdon TrailBoss
<<locked>>
81%
27949
44%
**03
100%
IMR 4064
<<locked>>
81%
50270
79%
**64
100%
IMR 4166 Enduron
<<locked>>
81%
48907
77%
**35
98%
IMR 4350
<<locked>>
81%
41379
65%
**17
96%
IMR 4451 Enduron
<<locked>>
81%
47166
74%
**25
98%
IMR 4831
<<locked>>
81%
36651
57%
**41
98%
[IMR 4955 Enduron]*
<<locked>>
83%
35998
56%
**92
90%
[IMR 7828 SSC]*
<<locked>>
84%
36187
57%
**74
90%
Lovex S065
<<locked>>
81%
44701
70%
**69
98%
Lovex S070
<<locked>>
81%
43163
68%
**62
97%
[Lovex S071]*
<<locked>>
81%
27021
42%
**75
91%
[Norma 204]*
<<locked>>
81%
41104
64%
**53
94%
[Norma MRP]*
<<locked>>
81%
32677
51%
**18
92%
Norma URP
<<locked>>
81%
41814
66%
**79
99%
Ramshot Hunter
<<locked>>
81%
40828
64%
**62
97%
[Ramshot Magnum]*
<<locked>>
82%
30545
48%
**20
90%
ReloadSwiss RS 14
<<locked>>
81%
28543
45%
**42
100%
ReloadSwiss RS 50
<<locked>>
81%
52837
83%
**30
99%
ReloadSwiss RS 60
<<locked>>
81%
45121
71%
**17
100%
ReloadSwiss RS 62
<<locked>>
81%
42206
66%
**05
99%
ReloadSwiss RS 70
<<locked>>
81%
40799
64%
**22
98%
[ReloadSwiss RS 76]*
<<locked>>
88%
31009
49%
**89
90%
Rottweil R 903
<<locked>>
81%
49719
78%
**81
100%
[Rottweil R 904]*
<<locked>>
81%
37014
58%
**25
91%
[Rottweil R 905]*
<<locked>>
81%
34635
54%
**08
92%
Rottweil R 907
<<locked>>
81%
46195
72%
**02
97%
SNPE Vectan SP 11
<<locked>>
81%
50850
80%
**27
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
50169
79%
**62
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
43830
69%
**20
97%
Shooters World Long Rifle
<<locked>>
81%
44701
70%
**69
98%
Somchem S355
<<locked>>
81%
49487
78%
**64
100%
[Somchem S361]*
<<locked>>
81%
37826
59%
**18
91%
Somchem S365
<<locked>>
81%
38406
60%
**30
100%
[Somchem S385]*
<<locked>>
81%
35331
55%
**02
94%
Vihtavuori N135
<<locked>>
81%
48080
75%
**62
100%
Vihtavuori N150
<<locked>>
81%
42699
67%
**10
100%
Vihtavuori N160
<<locked>>
81%
44962
70%
**05
99%
[Vihtavuori N165]*
<<locked>>
81%
30066
47%
**57
90%
Vihtavuori N550
<<locked>>
81%
45643
72%
**48
99%
Vihtavuori N555
<<locked>>
81%
33591
53%
**21
97%
[Vihtavuori N560]*
<<locked>>
86%
37057
58%
**20
90%
[Vihtavuori N565]*
<<locked>>
90%
35839
56%
**84
90%
Winchester 6.5 StaBALL
<<locked>>
81%
42308
66%
**43
100%
Winchester 760
<<locked>>
81%
47935
75%
**10
98%
Winchester StaBALL HD
<<locked>>
81%
24482
38%
**13
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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