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Load data for .300 Blaser Mag + .308 | 200gr | MAKER 200 Grain .308 Expanding Subsonic Blackout Bullets

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Alliant Reloder-25, Norma MRP, Rottweil R 905

.300 Blaser Mag + .308 | 200gr | MAKER 200 Grain .308 Expanding Subsonic Blackout Bullets

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 200gr | MAKER 200 Grain .308 Expanding Subsonic Blackout Bullets
Manufacturer SKU:
300BLK-200G-EXP
Bullet Weight:
200gr | 13.0g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.410" | 35.8mm
Caliber:
.300 Blaser Mag load data
Case Length (l3):
2.519" | 64.0mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.639" | 16.2mm
Shank Seated Depth:
0.639" | 16.2mm
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_B10916_C351
Last updated:
2025-02-02

Load data for 120 loads in caliber .300 Blaser Mag with .308 | 200gr | MAKER 200 Grain .308 Expanding Subsonic Blackout Bullets bullet and 60 powders such as ADI AR 2209, Alliant Reloder-19, Alliant Reloder-25, Norma MRP, Rottweil R 905. 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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    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.

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%
54230
89%
**53
99%
ADI AR 2213
<<locked>>
95%
54505
89%
**99
98%
ADI AR 2217
<<locked>>
97%
42670
70%
**69
96%
ADI AR 2225
<<locked>>
97%
38522
63%
**49
98%
Accurate 3100
<<locked>>
95%
54708
90%
**13
100%
Accurate 4350
<<locked>>
86%
54505
89%
**20
100%
Accurate MAGPRO
<<locked>>
95%
54418
89%
**08
97%
Alliant Reloder-16
<<locked>>
87%
54273
89%
**62
100%
Alliant Reloder-19 👍
<<locked>>
92%
54505
89%
**56
99%
Alliant Reloder-22
<<locked>>
95%
54636
90%
**99
99%
Alliant Reloder-23
<<locked>>
96%
54389
89%
**62
100%
Alliant Reloder-25 👍
<<locked>>
97%
48080
79%
**26
100%
Alliant Reloder-26
<<locked>>
92%
54375
89%
**44
100%
Hodgdon H1000
<<locked>>
97%
42670
70%
**69
96%
Hodgdon H4350
<<locked>>
89%
54462
89%
**97
100%
Hodgdon H4831
<<locked>>
97%
53853
88%
**26
98%
Hodgdon H4831 SC
<<locked>>
93%
54041
89%
**26
98%
Hodgdon Hybrid 100V
<<locked>>
89%
54418
89%
**77
100%
Hodgdon LVR
<<locked>>
85%
54708
90%
**23
100%
Hodgdon Retumbo
<<locked>>
97%
38522
63%
**49
98%
Hodgdon Superperformance
<<locked>>
85%
54476
89%
**76
100%
IMR 4350
<<locked>>
88%
54795
90%
**97
100%
IMR 4451 Enduron
<<locked>>
83%
54288
89%
**77
100%
IMR 4831
<<locked>>
91%
54215
89%
**03
100%
IMR 4955 Enduron
<<locked>>
94%
54215
89%
**97
98%
IMR 7828 SSC
<<locked>>
94%
54549
90%
**12
98%
[IMR 8133 Enduron]*
<<locked>>
97%
34795
57%
**57
93%
Lovex S065
<<locked>>
85%
54288
89%
**67
100%
Lovex S070
<<locked>>
86%
54534
90%
**87
100%
Lovex S071
<<locked>>
97%
49661
82%
**38
100%
Norma 204
<<locked>>
87%
54302
89%
**30
99%
Norma 217
<<locked>>
97%
34534
57%
**74
95%
Norma MRP 👍
<<locked>>
93%
54360
89%
**22
100%
Norma URP
<<locked>>
87%
54244
89%
**17
100%
Ramshot Hunter
<<locked>>
88%
54723
90%
**46
100%
Ramshot Magnum
<<locked>>
96%
54215
89%
**82
100%
ReloadSwiss RS 14
<<locked>>
97%
36434
60%
**99
100%
ReloadSwiss RS 60
<<locked>>
84%
54781
90%
**89
100%
ReloadSwiss RS 62
<<locked>>
86%
54433
89%
**43
100%
ReloadSwiss RS 70
<<locked>>
87%
54592
90%
**02
100%
ReloadSwiss RS 76
<<locked>>
97%
47137
77%
**62
100%
[ReloadSwiss RS 80]*
<<locked>>
97%
42279
69%
**44
94%
Rottweil R 904
<<locked>>
91%
54447
89%
**10
98%
Rottweil R 905 👍
<<locked>>
92%
54795
90%
**56
99%
Rottweil R 907
<<locked>>
84%
54288
89%
**67
100%
SNPE Vectan Tubal 7000
<<locked>>
86%
54795
90%
**38
100%
Shooters World Long Rifle
<<locked>>
85%
54288
89%
**67
100%
Somchem S361
<<locked>>
90%
54592
90%
**80
98%
Somchem S365
<<locked>>
89%
54288
89%
**26
100%
Somchem S385
<<locked>>
92%
54404
89%
**20
100%
Vihtavuori N150
<<locked>>
87%
54708
90%
**28
100%
Vihtavuori N160
<<locked>>
84%
54157
89%
**77
100%
Vihtavuori N165
<<locked>>
97%
53563
88%
**94
99%
Vihtavuori N550
<<locked>>
84%
54302
89%
**23
100%
Vihtavuori N555
<<locked>>
93%
54070
89%
**43
100%
Vihtavuori N560
<<locked>>
95%
54491
89%
**18
98%
Vihtavuori N565
<<locked>>
97%
50517
83%
**36
97%
[Vihtavuori N568]*
<<locked>>
97%
43947
72%
**61
94%
Winchester 6.5 StaBALL
<<locked>>
86%
54534
90%
**67
100%
Winchester StaBALL HD
<<locked>>
97%
51561
85%
**41
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
38957
64%
**74
96%
[ADI AR 2213]*
<<locked>>
81%
34824
57%
**02
92%
[ADI AR 2217]*
<<locked>>
87%
31749
52%
**10
90%
[ADI AR 2225]*
<<locked>>
84%
26542
44%
**98
90%
Accurate 3100
<<locked>>
81%
35491
58%
**65
97%
Accurate 4350
<<locked>>
81%
46746
77%
**02
100%
[Accurate MAGPRO]*
<<locked>>
82%
35215
58%
**28
90%
Alliant Reloder-16
<<locked>>
81%
44353
73%
**95
100%
Alliant Reloder-19
<<locked>>
81%
38870
64%
**64
96%
[Alliant Reloder-22]*
<<locked>>
81%
34708
57%
**15
94%
Alliant Reloder-23
<<locked>>
81%
33663
55%
**92
100%
Alliant Reloder-25
<<locked>>
81%
29544
49%
**03
96%
Alliant Reloder-26
<<locked>>
81%
36434
60%
**16
99%
[Hodgdon H1000]*
<<locked>>
87%
31749
52%
**10
90%
Hodgdon H4350
<<locked>>
81%
42830
70%
**97
98%
[Hodgdon H4831]*
<<locked>>
81%
33112
54%
**16
91%
[Hodgdon H4831 SC]*
<<locked>>
81%
36477
60%
**92
92%
Hodgdon Hybrid 100V
<<locked>>
81%
41989
69%
**87
100%
Hodgdon LVR
<<locked>>
81%
48689
80%
**28
100%
[Hodgdon Retumbo]*
<<locked>>
84%
26542
44%
**98
90%
Hodgdon Superperformance
<<locked>>
81%
47094
77%
**57
99%
IMR 4350
<<locked>>
81%
44802
74%
**33
98%
IMR 4451 Enduron
<<locked>>
81%
50386
83%
**15
99%
IMR 4831
<<locked>>
81%
40712
67%
**74
100%
[IMR 4955 Enduron]*
<<locked>>
81%
37014
61%
**72
93%
[IMR 7828 SSC]*
<<locked>>
81%
35694
59%
**31
93%
[IMR 8133 Enduron]*
<<locked>>
93%
30647
50%
**46
90%
Lovex S065
<<locked>>
81%
48704
80%
**72
100%
Lovex S070
<<locked>>
81%
46789
77%
**66
99%
Lovex S071
<<locked>>
81%
30777
51%
**57
96%
Norma 204
<<locked>>
81%
44556
73%
**66
97%
[Norma 217]*
<<locked>>
88%
26861
44%
**54
90%
Norma MRP
<<locked>>
81%
36376
60%
**84
97%
Norma URP
<<locked>>
81%
45759
75%
**85
100%
Ramshot Hunter
<<locked>>
81%
44353
73%
**82
99%
[Ramshot Magnum]*
<<locked>>
81%
32314
53%
**49
94%
ReloadSwiss RS 14
<<locked>>
91%
33504
55%
**44
100%
ReloadSwiss RS 60
<<locked>>
81%
49255
81%
**07
100%
ReloadSwiss RS 62
<<locked>>
81%
46528
76%
**18
100%
ReloadSwiss RS 70
<<locked>>
81%
44353
73%
**31
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
28050
46%
**77
91%
[ReloadSwiss RS 80]*
<<locked>>
91%
34272
56%
**54
90%
Rottweil R 904
<<locked>>
81%
40509
66%
**61
95%
Rottweil R 905
<<locked>>
81%
38247
63%
**51
96%
Rottweil R 907
<<locked>>
81%
49545
81%
**95
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
47413
78%
**23
99%
Shooters World Long Rifle
<<locked>>
81%
48704
80%
**72
100%
[Somchem S361]*
<<locked>>
81%
40901
67%
**44
94%
Somchem S365
<<locked>>
81%
42482
70%
**43
100%
Somchem S385
<<locked>>
81%
38928
64%
**41
97%
Vihtavuori N150
<<locked>>
81%
46151
76%
**00
100%
Vihtavuori N160
<<locked>>
81%
48907
80%
**02
100%
[Vihtavuori N165]*
<<locked>>
81%
32866
54%
**03
94%
Vihtavuori N550
<<locked>>
81%
49763
82%
**51
100%
Vihtavuori N555
<<locked>>
81%
37753
62%
**64
100%
[Vihtavuori N560]*
<<locked>>
81%
35056
58%
**31
92%
[Vihtavuori N565]*
<<locked>>
82%
30966
51%
**20
90%
[Vihtavuori N568]*
<<locked>>
90%
35215
58%
**61
90%
Winchester 6.5 StaBALL
<<locked>>
81%
46006
76%
**43
100%
Winchester StaBALL HD
<<locked>>
81%
28456
47%
**11
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.

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