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Load data for .300 Weath. Mag. + .308 | 200gr | Speer TBBC

Recommended Powder(s):

.300 Weath. Mag. + .308 | 200gr | Speer TBBC

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 200gr | Speer TBBC
Manufacturer SKU:
1770
Bullet Weight:
200gr | 13.0g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.370" | 34.8mm
Caliber:
.300 Weath. Mag. load data
Case Length (l3):
2.824" | 71.7mm
Cartridge Length (C.O.L.):
3.507" | 89.1mm
Seated Depth:
0.687" | 17.5mm
Shank Seated Depth:
0.687" | 17.5mm
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_B6177_C379
Last updated:
2025-01-01

Load data for 130 loads in caliber .300 Weath. Mag. with .308 | 200gr | Speer TBBC bullet and 65 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 2209 👍
<<locked>>
92%
56811
89%
**18
100%
ADI AR 2213
<<locked>>
95%
56985
89%
**61
99%
ADI AR 2217
<<locked>>
97%
44266
69%
**41
97%
ADI AR 2225
<<locked>>
97%
39827
62%
**08
99%
Accurate 3100
<<locked>>
95%
56710
89%
**66
100%
Accurate 4350
<<locked>>
86%
57116
89%
**82
100%
Accurate MAGPRO
<<locked>>
95%
57058
89%
**81
98%
Alliant Reloder-16
<<locked>>
88%
57319
90%
**22
100%
Alliant Reloder-17
<<locked>>
83%
57261
90%
**22
100%
Alliant Reloder-19
<<locked>>
92%
56855
89%
**15
100%
Alliant Reloder-22 👍
<<locked>>
95%
56971
89%
**61
100%
Alliant Reloder-23
<<locked>>
97%
57276
90%
**15
100%
Alliant Reloder-25
<<locked>>
97%
49966
78%
**76
100%
Alliant Reloder-26
<<locked>>
92%
57348
90%
**04
100%
Hodgdon H1000
<<locked>>
97%
44266
69%
**41
97%
Hodgdon H4350
<<locked>>
90%
57435
90%
**62
100%
Hodgdon H4831
<<locked>>
97%
56347
88%
**92
98%
Hodgdon H4831 SC
<<locked>>
94%
57435
90%
**08
98%
Hodgdon Hybrid 100V
<<locked>>
89%
56768
89%
**33
100%
Hodgdon LVR
<<locked>>
85%
57000
89%
**79
100%
Hodgdon Retumbo
<<locked>>
97%
39827
62%
**08
99%
Hodgdon Superperformance
<<locked>>
85%
56608
89%
**35
100%
Hodgdon TrailBoss
<<locked>>
96%
35259
55%
**83
100%
IMR 4166 Enduron
<<locked>>
83%
57000
89%
**20
100%
IMR 4350
<<locked>>
88%
57421
90%
**69
100%
IMR 4451 Enduron
<<locked>>
84%
57305
90%
**49
100%
IMR 4831
<<locked>>
91%
56898
89%
**62
100%
IMR 4955 Enduron
<<locked>>
95%
57290
90%
**72
99%
IMR 7828 SSC
<<locked>>
94%
56710
89%
**71
99%
[IMR 8133 Enduron]*
<<locked>>
97%
36042
56%
**10
94%
Lovex S065
<<locked>>
86%
57421
90%
**43
100%
Lovex S070
<<locked>>
87%
57406
90%
**66
100%
Lovex S071
<<locked>>
97%
51358
80%
**84
100%
Norma 204
<<locked>>
87%
57261
90%
**08
100%
Norma 217
<<locked>>
97%
35853
56%
**36
97%
Norma MRP 👍
<<locked>>
93%
56768
89%
**77
100%
Norma URP
<<locked>>
87%
57392
90%
**92
100%
Ramshot Hunter
<<locked>>
88%
57392
90%
**12
100%
Ramshot Magnum 👍
<<locked>>
95%
56449
88%
**38
100%
ReloadSwiss RS 14
<<locked>>
97%
36564
57%
**32
100%
ReloadSwiss RS 60
<<locked>>
84%
56826
89%
**28
100%
ReloadSwiss RS 62
<<locked>>
86%
57203
90%
**02
100%
ReloadSwiss RS 70
<<locked>>
87%
57392
90%
**54
100%
ReloadSwiss RS 76
<<locked>>
97%
49443
77%
**38
100%
ReloadSwiss RS 80
<<locked>>
97%
44382
70%
**07
95%
Rottweil R 904
<<locked>>
91%
57334
90%
**82
99%
Rottweil R 905 👍
<<locked>>
92%
57348
90%
**18
100%
Rottweil R 907
<<locked>>
85%
57319
90%
**46
100%
SNPE Vectan Tubal 7000
<<locked>>
86%
57174
90%
**03
100%
Shooters World Long Rifle
<<locked>>
86%
57421
90%
**43
100%
Somchem S361
<<locked>>
90%
56840
89%
**46
98%
Somchem S365
<<locked>>
89%
57392
90%
**89
100%
Somchem S385
<<locked>>
92%
56826
89%
**82
100%
Vihtavuori N135
<<locked>>
83%
56884
89%
**25
100%
Vihtavuori N150
<<locked>>
87%
56913
89%
**77
100%
Vihtavuori N160
<<locked>>
85%
57305
90%
**53
100%
Vihtavuori N165
<<locked>>
97%
55854
88%
**56
100%
Vihtavuori N550
<<locked>>
84%
57087
89%
**85
100%
Vihtavuori N555
<<locked>>
93%
56840
89%
**08
100%
Vihtavuori N560
<<locked>>
95%
56753
89%
**84
99%
Vihtavuori N565
<<locked>>
97%
52750
83%
**95
98%
Vihtavuori N568
<<locked>>
97%
46064
72%
**23
95%
[Vihtavuori N570]*
<<locked>>
97%
44150
69%
**13
92%
Winchester 6.5 StaBALL
<<locked>>
86%
57406
90%
**23
100%
Winchester StaBALL HD
<<locked>>
97%
55709
87%
**10
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
40190
63%
**26
97%
[ADI AR 2213]*
<<locked>>
81%
35882
56%
**48
93%
[ADI AR 2217]*
<<locked>>
85%
30647
48%
**10
90%
[ADI AR 2225]*
<<locked>>
82%
25454
40%
**95
90%
Accurate 3100
<<locked>>
81%
36085
57%
**02
98%
Accurate 4350
<<locked>>
81%
48066
75%
**41
100%
[Accurate MAGPRO]*
<<locked>>
81%
34751
54%
**44
90%
Alliant Reloder-16
<<locked>>
81%
45905
72%
**48
100%
Alliant Reloder-17
<<locked>>
81%
52968
83%
**62
100%
Alliant Reloder-19
<<locked>>
81%
40016
63%
**20
97%
Alliant Reloder-22
<<locked>>
81%
35926
56%
**67
95%
Alliant Reloder-23
<<locked>>
81%
34534
54%
**31
100%
Alliant Reloder-25
<<locked>>
81%
30110
47%
**43
96%
Alliant Reloder-26
<<locked>>
81%
37681
59%
**62
99%
[Hodgdon H1000]*
<<locked>>
85%
30647
48%
**10
90%
Hodgdon H4350
<<locked>>
81%
43932
69%
**46
98%
[Hodgdon H4831]*
<<locked>>
81%
33736
53%
**52
92%
[Hodgdon H4831 SC]*
<<locked>>
81%
37608
59%
**48
93%
Hodgdon Hybrid 100V
<<locked>>
81%
43250
68%
**36
100%
Hodgdon LVR
<<locked>>
81%
50357
79%
**84
100%
[Hodgdon Retumbo]*
<<locked>>
82%
25454
40%
**95
90%
Hodgdon Superperformance
<<locked>>
81%
49182
77%
**20
99%
Hodgdon TrailBoss
<<locked>>
91%
33083
52%
**40
100%
IMR 4166 Enduron
<<locked>>
81%
53461
84%
**64
100%
IMR 4350
<<locked>>
81%
45948
72%
**79
99%
IMR 4451 Enduron
<<locked>>
81%
52025
82%
**67
100%
IMR 4831
<<locked>>
81%
41365
65%
**16
100%
[IMR 4955 Enduron]*
<<locked>>
81%
37753
59%
**18
94%
[IMR 7828 SSC]*
<<locked>>
81%
36521
57%
**77
94%
[IMR 8133 Enduron]*
<<locked>>
91%
29791
47%
**46
90%
Lovex S065
<<locked>>
81%
49545
78%
**15
100%
Lovex S070
<<locked>>
81%
47703
75%
**08
99%
Lovex S071
<<locked>>
81%
30937
48%
**87
96%
Norma 204
<<locked>>
81%
46151
72%
**18
98%
[Norma 217]*
<<locked>>
87%
25904
41%
**41
90%
Norma MRP
<<locked>>
81%
37463
59%
**33
97%
Norma URP
<<locked>>
81%
47021
74%
**28
100%
Ramshot Hunter
<<locked>>
81%
46035
72%
**31
100%
Ramshot Magnum
<<locked>>
81%
33112
52%
**98
95%
ReloadSwiss RS 14
<<locked>>
88%
32213
50%
**47
100%
ReloadSwiss RS 60
<<locked>>
81%
51213
80%
**56
100%
ReloadSwiss RS 62
<<locked>>
81%
48080
75%
**67
100%
ReloadSwiss RS 70
<<locked>>
81%
45977
72%
**77
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
28340
44%
**20
92%
[ReloadSwiss RS 80]*
<<locked>>
88%
32866
52%
**44
90%
Rottweil R 904
<<locked>>
81%
41481
65%
**00
96%
Rottweil R 905
<<locked>>
81%
39421
62%
**07
97%
Rottweil R 907
<<locked>>
81%
50633
79%
**44
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
48559
76%
**69
99%
Shooters World Long Rifle
<<locked>>
81%
49545
78%
**15
100%
Somchem S361
<<locked>>
81%
42018
66%
**93
95%
Somchem S365
<<locked>>
81%
44019
69%
**89
100%
Somchem S385
<<locked>>
81%
40132
63%
**90
98%
Vihtavuori N135
<<locked>>
81%
53301
84%
**79
100%
Vihtavuori N150
<<locked>>
81%
47268
74%
**43
100%
Vihtavuori N160
<<locked>>
81%
50633
79%
**51
100%
Vihtavuori N165
<<locked>>
81%
33576
53%
**43
95%
Vihtavuori N550
<<locked>>
81%
51126
80%
**94
100%
Vihtavuori N555
<<locked>>
81%
38769
61%
**03
100%
[Vihtavuori N560]*
<<locked>>
81%
35781
56%
**74
93%
[Vihtavuori N565]*
<<locked>>
81%
30705
48%
**36
91%
[Vihtavuori N568]*
<<locked>>
88%
34360
54%
**61
90%
[Vihtavuori N570]*
<<locked>>
94%
39711
62%
**08
90%
Winchester 6.5 StaBALL
<<locked>>
81%
47645
75%
**85
100%
Winchester StaBALL HD
<<locked>>
81%
30255
47%
**54
100%

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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