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

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Norma MRP, Rottweil R 905, Somchem S385

.300 Blaser 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 Blaser Mag load data
Case Length (l3):
2.519" | 64.0mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.599" | 15.2mm
Shank Seated Depth:
0.599" | 15.2mm
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_B6177_C351
Last updated:
2025-01-01

Load data for 128 loads in caliber .300 Blaser Mag with .308 | 200gr | Speer TBBC bullet and 64 powders such as ADI AR 2209, Alliant Reloder-19, Norma MRP, Rottweil R 905, Somchem S385. 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%
54157
89%
**69
99%
ADI AR 2213
<<locked>>
95%
54012
89%
**99
98%
ADI AR 2217
<<locked>>
97%
41727
69%
**62
95%
ADI AR 2225
<<locked>>
97%
36912
61%
**20
97%
Accurate 3100
<<locked>>
96%
54389
89%
**17
100%
Accurate 4350
<<locked>>
86%
54259
89%
**26
100%
Accurate MAGPRO
<<locked>>
96%
54505
89%
**25
97%
Alliant Reloder-16
<<locked>>
88%
54433
89%
**72
100%
Alliant Reloder-17
<<locked>>
83%
54114
89%
**69
100%
Alliant Reloder-19 👍
<<locked>>
93%
54737
90%
**72
99%
Alliant Reloder-22
<<locked>>
96%
54723
90%
**12
99%
Alliant Reloder-23
<<locked>>
97%
53461
88%
**59
100%
Alliant Reloder-25
<<locked>>
97%
46412
76%
**03
100%
Alliant Reloder-26
<<locked>>
93%
54737
90%
**61
100%
Hodgdon H1000
<<locked>>
97%
41727
69%
**62
95%
Hodgdon H4350
<<locked>>
90%
54462
89%
**07
100%
Hodgdon H4831
<<locked>>
97%
52301
86%
**10
97%
Hodgdon H4831 SC
<<locked>>
94%
54549
90%
**46
98%
Hodgdon Hybrid 100V
<<locked>>
90%
54563
90%
**94
100%
Hodgdon LVR
<<locked>>
85%
54491
89%
**33
100%
Hodgdon Retumbo
<<locked>>
97%
36912
61%
**20
97%
Hodgdon Superperformance
<<locked>>
85%
54143
89%
**79
100%
Hodgdon TrailBoss
<<locked>>
97%
35491
58%
**63
100%
IMR 4166 Enduron
<<locked>>
83%
54694
90%
**67
100%
IMR 4350
<<locked>>
88%
54795
90%
**07
100%
IMR 4451 Enduron
<<locked>>
84%
54273
89%
**84
100%
IMR 4831
<<locked>>
92%
54578
90%
**17
100%
IMR 4955 Enduron
<<locked>>
95%
54056
89%
**03
98%
IMR 7828 SSC
<<locked>>
95%
54578
90%
**18
98%
[IMR 8133 Enduron]*
<<locked>>
97%
32909
54%
**25
92%
Lovex S065
<<locked>>
86%
54317
89%
**80
100%
Lovex S070
<<locked>>
87%
54317
89%
**03
100%
Lovex S071
<<locked>>
97%
47558
78%
**15
100%
Norma 204
<<locked>>
88%
54259
89%
**46
99%
Norma 217
<<locked>>
97%
32895
54%
**44
95%
Norma MRP 👍
<<locked>>
94%
54099
89%
**25
100%
Norma URP
<<locked>>
88%
54824
90%
**40
100%
Ramshot Hunter
<<locked>>
88%
54476
89%
**59
100%
Ramshot Magnum
<<locked>>
96%
54027
89%
**85
100%
ReloadSwiss RS 14
<<locked>>
97%
36216
59%
**03
100%
ReloadSwiss RS 60
<<locked>>
85%
54447
89%
**95
100%
ReloadSwiss RS 62
<<locked>>
86%
54041
89%
**46
100%
ReloadSwiss RS 70
<<locked>>
88%
54273
89%
**05
100%
ReloadSwiss RS 76
<<locked>>
97%
45136
74%
**43
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
40524
67%
**18
94%
Rottweil R 904
<<locked>>
91%
54563
90%
**23
98%
Rottweil R 905 👍
<<locked>>
93%
54302
89%
**59
99%
Rottweil R 907
<<locked>>
85%
54041
89%
**77
100%
SNPE Vectan Tubal 7000
<<locked>>
86%
54505
89%
**48
100%
Shooters World Long Rifle
<<locked>>
86%
54317
89%
**80
100%
Somchem S361
<<locked>>
91%
54607
90%
**94
98%
Somchem S365
<<locked>>
89%
54056
89%
**30
100%
Somchem S385 👍
<<locked>>
92%
54462
89%
**26
100%
Vihtavuori N135
<<locked>>
83%
54418
89%
**82
100%
Vihtavuori N150
<<locked>>
87%
54795
90%
**35
100%
Vihtavuori N160
<<locked>>
85%
54505
89%
**00
100%
Vihtavuori N165
<<locked>>
97%
52533
86%
**90
99%
Vihtavuori N550
<<locked>>
85%
54259
89%
**33
100%
Vihtavuori N555
<<locked>>
94%
54491
89%
**62
100%
Vihtavuori N560
<<locked>>
96%
54375
89%
**31
98%
Vihtavuori N565
<<locked>>
97%
48399
79%
**10
97%
[Vihtavuori N568]*
<<locked>>
97%
42308
69%
**35
94%
Winchester 6.5 StaBALL
<<locked>>
87%
54346
89%
**71
100%
Winchester StaBALL HD
<<locked>>
97%
50314
83%
**35
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
37594
62%
**57
95%
[ADI AR 2213]*
<<locked>>
81%
33678
55%
**79
91%
[ADI AR 2217]*
<<locked>>
88%
31502
52%
**13
90%
[ADI AR 2225]*
<<locked>>
86%
26237
43%
**08
90%
Accurate 3100
<<locked>>
81%
33620
55%
**46
97%
Accurate 4350
<<locked>>
81%
45281
74%
**85
100%
[Accurate MAGPRO]*
<<locked>>
83%
34940
57%
**38
90%
Alliant Reloder-16
<<locked>>
81%
43091
71%
**85
100%
Alliant Reloder-17
<<locked>>
81%
49850
82%
**03
100%
Alliant Reloder-19
<<locked>>
81%
37811
62%
**61
96%
[Alliant Reloder-22]*
<<locked>>
81%
33446
55%
**98
94%
Alliant Reloder-23
<<locked>>
81%
32198
53%
**65
99%
Alliant Reloder-25
<<locked>>
81%
28108
46%
**67
95%
Alliant Reloder-26
<<locked>>
81%
34896
57%
**90
99%
[Hodgdon H1000]*
<<locked>>
88%
31502
52%
**13
90%
Hodgdon H4350
<<locked>>
81%
41582
68%
**84
98%
[Hodgdon H4831]*
<<locked>>
81%
32140
53%
**00
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
35288
58%
**82
92%
Hodgdon Hybrid 100V
<<locked>>
81%
40930
67%
**80
100%
Hodgdon LVR
<<locked>>
81%
47732
78%
**21
100%
[Hodgdon Retumbo]*
<<locked>>
86%
26237
43%
**08
90%
Hodgdon Superperformance
<<locked>>
81%
45890
75%
**51
99%
Hodgdon TrailBoss
<<locked>>
94%
34316
56%
**44
100%
IMR 4166 Enduron
<<locked>>
81%
51285
84%
**15
100%
IMR 4350
<<locked>>
81%
43468
71%
**16
98%
IMR 4451 Enduron
<<locked>>
81%
49632
81%
**15
99%
IMR 4831
<<locked>>
81%
39088
64%
**54
99%
[IMR 4955 Enduron]*
<<locked>>
81%
35882
59%
**59
92%
[IMR 7828 SSC]*
<<locked>>
81%
34316
56%
**11
92%
[IMR 8133 Enduron]*
<<locked>>
94%
30516
50%
**56
90%
Lovex S065
<<locked>>
81%
47021
77%
**59
100%
Lovex S070
<<locked>>
81%
45252
74%
**52
99%
Lovex S071
<<locked>>
81%
28921
47%
**21
95%
Norma 204
<<locked>>
81%
43381
71%
**52
97%
[Norma 217]*
<<locked>>
90%
26629
44%
**54
90%
Norma MRP
<<locked>>
81%
34954
57%
**64
96%
Norma URP
<<locked>>
81%
44367
73%
**72
100%
Ramshot Hunter
<<locked>>
81%
42931
70%
**66
99%
[Ramshot Magnum]*
<<locked>>
81%
30850
51%
**20
93%
ReloadSwiss RS 14
<<locked>>
91%
33315
55%
**47
100%
ReloadSwiss RS 60
<<locked>>
81%
48008
79%
**94
100%
ReloadSwiss RS 62
<<locked>>
81%
44788
74%
**95
100%
ReloadSwiss RS 70
<<locked>>
81%
43018
71%
**12
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
26716
44%
**47
90%
[ReloadSwiss RS 80]*
<<locked>>
91%
33721
55%
**51
90%
Rottweil R 904
<<locked>>
81%
39247
64%
**38
95%
Rottweil R 905
<<locked>>
81%
37043
61%
**44
95%
Rottweil R 907
<<locked>>
81%
48138
79%
**79
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
45890
75%
**13
99%
Shooters World Long Rifle
<<locked>>
81%
47021
77%
**59
100%
[Somchem S361]*
<<locked>>
81%
39769
65%
**31
94%
Somchem S365
<<locked>>
81%
40973
67%
**26
100%
Somchem S385
<<locked>>
81%
37666
62%
**31
97%
Vihtavuori N135
<<locked>>
81%
50821
83%
**30
100%
Vihtavuori N150
<<locked>>
81%
44889
74%
**87
100%
Vihtavuori N160
<<locked>>
81%
47732
78%
**95
100%
[Vihtavuori N165]*
<<locked>>
81%
31415
52%
**77
93%
Vihtavuori N550
<<locked>>
81%
48225
79%
**38
100%
Vihtavuori N555
<<locked>>
81%
36114
59%
**38
99%
[Vihtavuori N560]*
<<locked>>
81%
33475
55%
**08
91%
[Vihtavuori N565]*
<<locked>>
83%
30922
51%
**36
90%
[Vihtavuori N568]*
<<locked>>
91%
35230
58%
**70
90%
Winchester 6.5 StaBALL
<<locked>>
81%
44599
73%
**30
100%
Winchester StaBALL HD
<<locked>>
81%
26963
44%
**75
99%

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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