top of page

Load data for .300 Blaser Mag + .308 | 200gr | Lapua Mega

Recommended Powder(s):

.300 Blaser Mag + .308 | 200gr | Lapua Mega

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 200gr | Lapua Mega
Manufacturer SKU:
4PL7047 | E401
Bullet Weight:
200gr | 13.0g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
<<locked>>
Caliber:
.300 Blaser Mag load data
Case Length (l3):
2.519" | 64.0mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
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_B3174_C351
Last updated:
2026-02-08

Load data for 132 loads in caliber .300 Blaser Mag with .308 | 200gr | Lapua Mega bullet and 66 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.

    .

    Loading_icon.gif

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>>
91%
54766
90%
**85
99%
ADI AR 2213
<<locked>>
95%
54607
90%
**18
98%
ADI AR 2217
<<locked>>
97%
42627
70%
**95
96%
ADI AR 2225
<<locked>>
97%
38348
63%
**72
98%
Accurate 3100
<<locked>>
95%
54331
89%
**23
100%
Accurate 4350
<<locked>>
86%
54491
89%
**40
100%
Accurate MAGPRO
<<locked>>
95%
54244
89%
**25
97%
Alliant Reloder-16
<<locked>>
87%
54215
89%
**79
100%
Alliant Reloder-19 👍
<<locked>>
92%
54766
90%
**82
99%
Alliant Reloder-22
<<locked>>
95%
54505
89%
**18
99%
Alliant Reloder-23
<<locked>>
96%
54433
89%
**76
100%
Alliant Reloder-25 👍
<<locked>>
97%
47921
79%
**43
100%
Alliant Reloder-26
<<locked>>
92%
54505
89%
**64
100%
Baschieri & Pellagri 109
<<locked>>
95%
54447
89%
**46
96%
Bofors RP15
<<locked>>
97%
53287
87%
**95
99%
Bofors RP30
<<locked>>
97%
44512
73%
**77
97%
Bofors RP5
<<locked>>
95%
54505
89%
**18
99%
Bofors RP7
<<locked>>
84%
54389
89%
**03
100%
Hodgdon H1000
<<locked>>
97%
42627
70%
**95
96%
Hodgdon H4350
<<locked>>
89%
54723
90%
**26
100%
Hodgdon H4831
<<locked>>
97%
54331
89%
**59
98%
Hodgdon H4831 SC
<<locked>>
93%
54331
89%
**59
98%
Hodgdon Hybrid 100V
<<locked>>
89%
54244
89%
**97
100%
Hodgdon LVR
<<locked>>
84%
54157
89%
**40
100%
Hodgdon Retumbo
<<locked>>
97%
38348
63%
**72
98%
Hodgdon Superperformance
<<locked>>
85%
54215
89%
**92
100%
Hodgdon TrailBoss
<<locked>>
96%
35288
58%
**77
100%
IMR 4350
<<locked>>
87%
54723
90%
**23
100%
IMR 4451 Enduron
<<locked>>
83%
54549
90%
**00
100%
IMR 4831
<<locked>>
91%
54157
89%
**23
100%
IMR 4955 Enduron
<<locked>>
94%
54824
90%
**30
98%
IMR 7828 SSC
<<locked>>
94%
54650
90%
**31
99%
[IMR 8133 Enduron]*
<<locked>>
97%
34258
56%
**70
93%
Lovex S065
<<locked>>
85%
54520
89%
**90
100%
Lovex S070
<<locked>>
86%
54520
89%
**13
100%
Lovex S071
<<locked>>
97%
48936
80%
**44
100%
Norma 204
<<locked>>
87%
54737
90%
**62
99%
Norma 217
<<locked>>
97%
34272
56%
**90
96%
Norma MRP 👍
<<locked>>
93%
54607
90%
**48
100%
Norma URP
<<locked>>
87%
54520
89%
**46
100%
Ramshot Grand
<<locked>>
92%
54331
89%
**41
99%
Ramshot Hunter
<<locked>>
87%
54433
89%
**69
100%
Ramshot Magnum
<<locked>>
95%
53969
89%
**02
100%
ReloadSwiss RS 14
<<locked>>
96%
36056
59%
**16
100%
ReloadSwiss RS 62
<<locked>>
86%
54636
90%
**69
100%
ReloadSwiss RS 70
<<locked>>
87%
54737
90%
**15
100%
ReloadSwiss RS 76
<<locked>>
97%
47340
78%
**95
100%
[ReloadSwiss RS 80]*
<<locked>>
97%
42250
69%
**61
94%
Rottweil R 904
<<locked>>
91%
54665
90%
**36
99%
Rottweil R 905 👍
<<locked>>
92%
54360
89%
**69
99%
Rottweil R 907
<<locked>>
84%
54389
89%
**03
100%
SNPE Vectan Tubal 7000
<<locked>>
85%
54520
89%
**57
100%
Shooters World Long Rifle
<<locked>>
85%
54520
89%
**90
100%
Somchem S361
<<locked>>
90%
54723
90%
**07
98%
Somchem S365
<<locked>>
88%
54244
89%
**43
100%
Somchem S385
<<locked>>
92%
54346
89%
**40
100%
Vihtavuori N150
<<locked>>
87%
54346
89%
**38
100%
Vihtavuori N160
<<locked>>
84%
54172
89%
**03
100%
Vihtavuori N165
<<locked>>
97%
53882
88%
**20
99%
Vihtavuori N550
<<locked>>
84%
54288
89%
**40
100%
Vihtavuori N555
<<locked>>
93%
54621
90%
**66
100%
Vihtavuori N560
<<locked>>
95%
54679
90%
**44
98%
Vihtavuori N565
<<locked>>
97%
50517
83%
**62
98%
Vihtavuori N568
<<locked>>
97%
44135
72%
**90
95%
Winchester 6.5 StaBALL
<<locked>>
86%
54476
89%
**77
100%
Winchester StaBALL HD
<<locked>>
97%
52939
87%
**74
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
38754
64%
**97
96%
[ADI AR 2213]*
<<locked>>
81%
34461
57%
**15
92%
[ADI AR 2217]*
<<locked>>
87%
31111
51%
**16
90%
[ADI AR 2225]*
<<locked>>
85%
25947
43%
**08
90%
Accurate 3100
<<locked>>
81%
34490
57%
**69
97%
Accurate 4350
<<locked>>
81%
46398
76%
**15
100%
[Accurate MAGPRO]*
<<locked>>
82%
34287
56%
**31
90%
Alliant Reloder-16
<<locked>>
81%
44295
73%
**12
100%
Alliant Reloder-19
<<locked>>
81%
38696
64%
**84
96%
[Alliant Reloder-22]*
<<locked>>
81%
34360
56%
**25
94%
Alliant Reloder-23
<<locked>>
81%
33170
54%
**95
100%
Alliant Reloder-25
<<locked>>
81%
28935
47%
**06
96%
Alliant Reloder-26
<<locked>>
81%
35955
59%
**26
99%
[Baschieri & Pellagri 109]*
<<locked>>
84%
38783
64%
**41
90%
[Bofors RP15]*
<<locked>>
81%
31966
52%
**65
93%
[Bofors RP30]*
<<locked>>
84%
29138
48%
**16
90%
[Bofors RP5]*
<<locked>>
81%
34360
56%
**25
94%
Bofors RP7
<<locked>>
81%
49255
81%
**15
99%
[Hodgdon H1000]*
<<locked>>
87%
31111
51%
**16
90%
Hodgdon H4350
<<locked>>
81%
42424
70%
**10
98%
[Hodgdon H4831]*
<<locked>>
81%
32430
53%
**20
91%
[Hodgdon H4831 SC]*
<<locked>>
81%
36114
59%
**15
93%
Hodgdon Hybrid 100V
<<locked>>
81%
42119
69%
**07
100%
Hodgdon LVR
<<locked>>
81%
48907
80%
**54
100%
[Hodgdon Retumbo]*
<<locked>>
85%
25947
43%
**08
90%
Hodgdon Superperformance
<<locked>>
81%
47500
78%
**87
99%
Hodgdon TrailBoss
<<locked>>
93%
33620
55%
**44
100%
IMR 4350
<<locked>>
81%
44686
73%
**49
98%
IMR 4451 Enduron
<<locked>>
81%
50705
83%
**41
100%
IMR 4831
<<locked>>
81%
40248
66%
**87
100%
[IMR 4955 Enduron]*
<<locked>>
81%
36622
60%
**85
93%
[IMR 7828 SSC]*
<<locked>>
81%
35230
58%
**48
93%
[IMR 8133 Enduron]*
<<locked>>
93%
30240
50%
**59
90%
Lovex S065
<<locked>>
81%
48167
79%
**95
100%
Lovex S070
<<locked>>
81%
46354
76%
**79
99%
Lovex S071
<<locked>>
81%
29776
49%
**54
95%
Norma 204
<<locked>>
81%
44469
73%
**85
97%
[Norma 217]*
<<locked>>
88%
26107
43%
**51
90%
Norma MRP
<<locked>>
81%
35955
59%
**93
97%
Norma URP
<<locked>>
81%
45339
74%
**95
100%
[Ramshot Grand]*
<<locked>>
81%
36434
60%
**93
94%
Ramshot Hunter
<<locked>>
81%
44338
73%
**98
99%
[Ramshot Magnum]*
<<locked>>
81%
31647
52%
**56
94%
ReloadSwiss RS 14
<<locked>>
88%
32169
53%
**40
100%
ReloadSwiss RS 62
<<locked>>
81%
46238
76%
**35
100%
ReloadSwiss RS 70
<<locked>>
81%
44295
73%
**51
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
27093
44%
**67
91%
[ReloadSwiss RS 80]*
<<locked>>
90%
33228
55%
**51
90%
Rottweil R 904
<<locked>>
81%
40030
66%
**70
95%
Rottweil R 905
<<locked>>
81%
38014
62%
**70
96%
Rottweil R 907
<<locked>>
81%
49255
81%
**15
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
47282
78%
**49
99%
Shooters World Long Rifle
<<locked>>
81%
48167
79%
**95
100%
[Somchem S361]*
<<locked>>
81%
40640
67%
**64
94%
Somchem S365
<<locked>>
81%
42395
70%
**59
100%
Somchem S385
<<locked>>
81%
38493
63%
**61
97%
Vihtavuori N150
<<locked>>
81%
46006
76%
**23
100%
Vihtavuori N160
<<locked>>
81%
48791
80%
**21
100%
[Vihtavuori N165]*
<<locked>>
81%
32242
53%
**10
94%
Vihtavuori N550
<<locked>>
81%
49632
81%
**67
100%
Vihtavuori N555
<<locked>>
81%
37231
61%
**74
100%
[Vihtavuori N560]*
<<locked>>
81%
34563
57%
**38
92%
[Vihtavuori N565]*
<<locked>>
82%
30226
50%
**26
90%
[Vihtavuori N568]*
<<locked>>
90%
34432
57%
**61
90%
Winchester 6.5 StaBALL
<<locked>>
81%
46079
76%
**62
100%
Winchester StaBALL HD
<<locked>>
81%
28253
46%
**08
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

bottom of page