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Load data for .300 Blaser Mag + .308 | 150gr | Speer TBBC

Recommended Powder(s):

.300 Blaser Mag + .308 | 150gr | Speer TBBC

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 150gr | Speer TBBC
Manufacturer SKU:
1759
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.100" | 27.9mm
Caliber:
.300 Blaser Mag load data
Case Length (l3):
2.519" | 64.0mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.329" | 8.4mm
Shank Seated Depth:
0.329" | 8.4mm
Case Capacity:
92.4 Grains of Water | 6.00 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
60916 psi | 4200 bar
LID:
LID_B6154_C351
Last updated:
2025-01-01

Load data for 154 loads in caliber .300 Blaser Mag with .308 | 150gr | Speer TBBC bullet and 77 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>>
86%
54795
90%
**74
100%
ADI AR 2209
<<locked>>
97%
53548
88%
**30
97%
[ADI AR 2213]*
<<locked>>
97%
48240
79%
**45
93%
Accurate 2700
<<locked>>
87%
54491
89%
**12
98%
Accurate 3100
<<locked>>
97%
47224
78%
**76
98%
Accurate 4064
<<locked>>
84%
54795
90%
**41
100%
Accurate 4350
<<locked>>
92%
54679
90%
**27
100%
Alliant Reloder- TS 15.5
<<locked>>
86%
54621
90%
**81
100%
Alliant Reloder-15
<<locked>>
83%
54056
89%
**84
100%
Alliant Reloder-16 👍
<<locked>>
93%
54244
89%
**73
100%
Alliant Reloder-17
<<locked>>
89%
54737
90%
**82
100%
Alliant Reloder-19
<<locked>>
97%
53316
88%
**23
97%
Alliant Reloder-22
<<locked>>
97%
47152
77%
**48
95%
Alliant Reloder-23
<<locked>>
97%
44556
73%
**99
100%
Alliant Reloder-25
<<locked>>
97%
38740
64%
**81
96%
Alliant Reloder-26
<<locked>>
97%
50459
83%
**82
100%
Hodgdon CFE223
<<locked>>
84%
54752
90%
**30
100%
Hodgdon H380
<<locked>>
85%
54331
89%
**84
100%
Hodgdon H414
<<locked>>
88%
54520
90%
**40
98%
Hodgdon H4350
<<locked>>
94%
54085
89%
**77
98%
[Hodgdon H4831]*
<<locked>>
97%
44686
73%
**13
91%
[Hodgdon H4831 SC]*
<<locked>>
97%
50589
83%
**41
94%
Hodgdon Hybrid 100V
<<locked>>
95%
54172
89%
**94
100%
Hodgdon LVR 👍
<<locked>>
90%
54752
90%
**36
100%
Hodgdon Superperformance
<<locked>>
90%
54230
89%
**69
98%
Hodgdon VARGET
<<locked>>
86%
54476
89%
**61
100%
Hodgdon TrailBoss
<<locked>>
96%
34505
57%
**26
100%
IMR 4064
<<locked>>
87%
54621
90%
**61
100%
IMR 4166 Enduron
<<locked>>
87%
54752
90%
**45
98%
IMR 4350
<<locked>>
93%
54099
89%
**77
98%
IMR 4451 Enduron
<<locked>>
88%
54447
89%
**68
98%
IMR 4831
<<locked>>
97%
54070
89%
**00
100%
[IMR 4955 Enduron]*
<<locked>>
97%
49647
82%
**86
94%
[IMR 7828 SSC]*
<<locked>>
97%
49385
81%
**84
94%
Lovex S062
<<locked>>
84%
54389
89%
**45
100%
Lovex S065
<<locked>>
91%
54621
90%
**64
99%
Lovex S070
<<locked>>
92%
54520
89%
**84
98%
Lovex S071
<<locked>>
97%
39595
65%
**15
96%
Norma 203B
<<locked>>
84%
54752
90%
**97
100%
Norma 204
<<locked>>
93%
54708
90%
**30
97%
Norma MRP
<<locked>>
97%
49864
82%
**33
97%
Norma URP
<<locked>>
92%
54447
89%
**30
100%
Ramshot Big Game
<<locked>>
83%
54462
89%
**04
100%
Ramshot Hunter
<<locked>>
93%
54215
89%
**40
99%
Ramshot Magnum
<<locked>>
97%
45963
75%
**99
95%
ReloadSwiss RS 14
<<locked>>
97%
35331
58%
**72
100%
ReloadSwiss RS 50
<<locked>>
85%
54766
90%
**68
99%
ReloadSwiss RS 52
<<locked>>
84%
54795
90%
**10
100%
ReloadSwiss RS 60
<<locked>>
90%
54186
89%
**99
100%
ReloadSwiss RS 62 👍
<<locked>>
92%
54244
89%
**43
100%
ReloadSwiss RS 70 👍
<<locked>>
93%
54331
89%
**02
100%
[ReloadSwiss RS 76]*
<<locked>>
97%
37768
62%
**74
93%
Rottweil R 903
<<locked>>
87%
54201
89%
**68
100%
Rottweil R 904
<<locked>>
96%
54665
90%
**87
96%
Rottweil R 905
<<locked>>
97%
52025
85%
**04
97%
Rottweil R 907
<<locked>>
89%
54085
89%
**58
98%
SNPE Vectan SP 11
<<locked>>
86%
54563
90%
**10
100%
SNPE Vectan Tubal 5000
<<locked>>
87%
54795
90%
**53
100%
SNPE Vectan Tubal 7000
<<locked>>
91%
54766
90%
**15
98%
Shooters World Long Rifle
<<locked>>
91%
54621
90%
**64
99%
Shooters World Precision
<<locked>>
84%
54389
89%
**45
100%
Somchem S355
<<locked>>
87%
54186
89%
**68
100%
Somchem S361
<<locked>>
95%
54505
89%
**38
95%
Somchem S365
<<locked>>
95%
54520
90%
**53
100%
Somchem S385
<<locked>>
97%
53040
87%
**77
97%
Vihtavuori N135
<<locked>>
88%
54433
89%
**86
100%
Vihtavuori N140
<<locked>>
83%
54795
90%
**05
100%
Vihtavuori N150
<<locked>>
92%
54447
89%
**35
100%
Vihtavuori N160
<<locked>>
90%
54375
89%
**84
100%
Vihtavuori N165
<<locked>>
97%
44034
72%
**90
95%
Vihtavuori N540
<<locked>>
83%
54505
89%
**31
100%
Vihtavuori N550 👍
<<locked>>
90%
54592
90%
**36
100%
Vihtavuori N555
<<locked>>
97%
49792
82%
**77
100%
[Vihtavuori N560]*
<<locked>>
97%
47413
78%
**61
93%
Winchester 6.5 StaBALL
<<locked>>
91%
54505
89%
**64
100%
Winchester 760
<<locked>>
88%
54520
90%
**40
98%
Winchester StaBALL HD
<<locked>>
97%
38290
63%
**31
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
46659
77%
**23
99%
[ADI AR 2209]*
<<locked>>
85%
36013
59%
**36
90%
[ADI AR 2213]*
<<locked>>
92%
40959
67%
**74
90%
Accurate 2700
<<locked>>
81%
44817
74%
**35
95%
[Accurate 3100]*
<<locked>>
82%
28587
47%
**16
90%
Accurate 4064
<<locked>>
81%
49371
81%
**56
100%
Accurate 4350
<<locked>>
81%
37492
62%
**89
97%
Alliant Reloder- TS 15.5
<<locked>>
81%
47123
77%
**49
100%
Alliant Reloder-15
<<locked>>
81%
50386
83%
**28
100%
Alliant Reloder-16
<<locked>>
81%
36521
60%
**95
97%
Alliant Reloder-17
<<locked>>
81%
41684
68%
**36
99%
[Alliant Reloder-19]*
<<locked>>
84%
35288
58%
**20
90%
[Alliant Reloder-22]*
<<locked>>
88%
35143
58%
**59
90%
[Alliant Reloder-23]*
<<locked>>
81%
26861
44%
**20
94%
[Alliant Reloder-25]*
<<locked>>
88%
29254
48%
**85
90%
[Alliant Reloder-26]*
<<locked>>
81%
28601
47%
**18
91%
Hodgdon CFE223
<<locked>>
81%
49501
81%
**38
99%
Hodgdon H380
<<locked>>
81%
47877
79%
**69
99%
Hodgdon H414
<<locked>>
81%
42917
70%
**10
96%
[Hodgdon H4350]*
<<locked>>
81%
35621
58%
**80
92%
[Hodgdon H4831]*
<<locked>>
95%
41481
68%
**44
90%
[Hodgdon H4831 SC]*
<<locked>>
91%
41191
68%
**41
90%
Hodgdon Hybrid 100V
<<locked>>
81%
34127
56%
**84
97%
Hodgdon LVR
<<locked>>
81%
40219
66%
**48
97%
[Hodgdon Superperformance]*
<<locked>>
81%
38522
63%
**41
93%
Hodgdon VARGET
<<locked>>
81%
46369
76%
**13
99%
Hodgdon TrailBoss
<<locked>>
81%
27673
45%
**68
100%
IMR 4064
<<locked>>
81%
45876
75%
**04
99%
IMR 4166 Enduron
<<locked>>
81%
44846
74%
**54
96%
[IMR 4350]*
<<locked>>
81%
37391
61%
**33
93%
IMR 4451 Enduron
<<locked>>
81%
43163
71%
**44
96%
IMR 4831
<<locked>>
81%
32619
54%
**44
95%
[IMR 4955 Enduron]*
<<locked>>
90%
40248
66%
**89
90%
[IMR 7828 SSC]*
<<locked>>
91%
40654
67%
**84
90%
Lovex S062
<<locked>>
81%
49269
81%
**56
100%
Lovex S065
<<locked>>
81%
40596
67%
**95
96%
Lovex S070
<<locked>>
81%
39088
64%
**72
95%
[Lovex S071]*
<<locked>>
87%
28427
47%
**13
90%
Norma 203B
<<locked>>
81%
49603
81%
**12
100%
[Norma 204]*
<<locked>>
81%
36767
60%
**46
91%
[Norma MRP]*
<<locked>>
84%
32518
53%
**17
90%
Norma URP
<<locked>>
81%
37391
61%
**85
97%
Ramshot Big Game
<<locked>>
81%
49980
82%
**25
100%
[Ramshot Hunter]*
<<locked>>
81%
36332
60%
**62
94%
[Ramshot Magnum]*
<<locked>>
89%
34389
56%
**10
90%
ReloadSwiss RS 14
<<locked>>
81%
28036
46%
**04
100%
ReloadSwiss RS 50
<<locked>>
81%
48022
79%
**46
98%
ReloadSwiss RS 52
<<locked>>
81%
49487
81%
**25
100%
ReloadSwiss RS 60
<<locked>>
81%
40219
66%
**30
100%
ReloadSwiss RS 62
<<locked>>
81%
37202
61%
**05
96%
ReloadSwiss RS 70
<<locked>>
81%
36172
59%
**99
95%
[ReloadSwiss RS 76]*
<<locked>>
94%
34679
57%
**79
90%
Rottweil R 903
<<locked>>
81%
44846
74%
**07
100%
[Rottweil R 904]*
<<locked>>
85%
38319
63%
**56
90%
[Rottweil R 905]*
<<locked>>
85%
34577
57%
**07
90%
Rottweil R 907
<<locked>>
81%
41698
68%
**08
95%
SNPE Vectan SP 11
<<locked>>
81%
45818
75%
**59
99%
SNPE Vectan Tubal 5000
<<locked>>
81%
45759
75%
**08
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
39943
66%
**33
95%
Shooters World Long Rifle
<<locked>>
81%
40596
67%
**95
96%
Shooters World Precision
<<locked>>
81%
49269
81%
**56
100%
Somchem S355
<<locked>>
81%
44875
74%
**04
100%
[Somchem S361]*
<<locked>>
87%
41162
68%
**82
90%
Somchem S365
<<locked>>
81%
33721
55%
**36
99%
[Somchem S385]*
<<locked>>
82%
32343
53%
**18
90%
Vihtavuori N135
<<locked>>
81%
43598
72%
**12
100%
Vihtavuori N140
<<locked>>
81%
50836
83%
**43
100%
Vihtavuori N150
<<locked>>
81%
38595
63%
**40
100%
Vihtavuori N160
<<locked>>
81%
40393
66%
**18
97%
[Vihtavuori N165]*
<<locked>>
88%
33243
55%
**38
90%
Vihtavuori N540
<<locked>>
81%
50618
83%
**66
100%
Vihtavuori N550
<<locked>>
81%
41031
67%
**67
98%
[Vihtavuori N555]*
<<locked>>
81%
29327
48%
**08
94%
[Vihtavuori N560]*
<<locked>>
92%
40930
67%
**10
90%
Winchester 6.5 StaBALL
<<locked>>
81%
38058
62%
**56
99%
Winchester 760
<<locked>>
81%
42917
70%
**10
96%
[Winchester StaBALL HD]*
<<locked>>
81%
23873
39%
**51
90%

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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