top of page

Load data for .300 Blaser Mag + .308 | 150gr | Merlin Virtus

Recommended Powder(s): Accurate 4350, Alliant Reloder-16, Norma URP, ReloadSwiss RS 62, Somchem S365

.300 Blaser Mag + .308 | 150gr | Merlin Virtus

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 150gr | Merlin Virtus
Manufacturer SKU:
Merlin-0.308-150
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.210" | 30.7mm
Caliber:
.300 Blaser Mag load data
Case Length (l3):
2.519" | 64.0mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.439" | 11.2mm
Shank Seated Depth:
0.293" | 7.5mm
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_B10764_C351
Last updated:
2025-01-01
Recommended Twist Rate:
1:13 - 1:11

Load data for 158 loads in caliber .300 Blaser Mag with .308 | 150gr | Merlin Virtus bullet and 79 powders such as Accurate 4350, Alliant Reloder-16, Norma URP, ReloadSwiss RS 62, Somchem S365. 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 2208
<<locked>>
88%
54723
90%
**68
100%
ADI AR 2209
<<locked>>
97%
51155
84%
**84
96%
[ADI AR 2213]*
<<locked>>
97%
45353
74%
**76
92%
Accurate 2700
<<locked>>
88%
54331
89%
**12
97%
Accurate 3100
<<locked>>
97%
43714
72%
**07
97%
Accurate 4064
<<locked>>
86%
54027
89%
**41
100%
Accurate 4350 👍
<<locked>>
94%
54215
89%
**33
100%
Alliant Reloder- TS 15.5
<<locked>>
87%
54244
89%
**71
100%
Alliant Reloder-15
<<locked>>
85%
54795
90%
**04
100%
Alliant Reloder-16 👍
<<locked>>
95%
54201
89%
**69
100%
Alliant Reloder-17
<<locked>>
90%
54563
90%
**96
100%
Alliant Reloder-19
<<locked>>
97%
50256
83%
**68
96%
[Alliant Reloder-22]*
<<locked>>
97%
43990
72%
**86
94%
Alliant Reloder-23
<<locked>>
97%
41568
68%
**36
99%
Alliant Reloder-25
<<locked>>
97%
36477
60%
**22
95%
Alliant Reloder-26
<<locked>>
97%
47036
77%
**17
99%
Hodgdon CFE223
<<locked>>
85%
54578
90%
**27
100%
Hodgdon H380
<<locked>>
86%
54215
89%
**87
99%
Hodgdon H414
<<locked>>
90%
54752
90%
**53
98%
Hodgdon H4350
<<locked>>
96%
54810
90%
**87
98%
[Hodgdon H4831 SC]*
<<locked>>
97%
47718
78%
**82
92%
Hodgdon Hybrid 100V
<<locked>>
97%
54389
89%
**94
100%
Hodgdon LVR
<<locked>>
92%
54099
89%
**17
99%
Hodgdon Superperformance
<<locked>>
92%
54650
90%
**73
98%
Hodgdon VARGET
<<locked>>
88%
54723
90%
**68
100%
Hodgdon TrailBoss
<<locked>>
97%
34301
56%
**13
100%
IMR 3031
<<locked>>
84%
54476
89%
**58
100%
IMR 4064
<<locked>>
88%
54375
89%
**54
100%
IMR 4166 Enduron
<<locked>>
89%
54578
90%
**48
98%
IMR 4350
<<locked>>
95%
54476
89%
**74
98%
IMR 4451 Enduron
<<locked>>
90%
54578
90%
**64
98%
IMR 4831
<<locked>>
97%
50720
83%
**54
99%
IMR 4895
<<locked>>
84%
54766
90%
**10
100%
[IMR 4955 Enduron]*
<<locked>>
97%
47456
78%
**40
93%
[IMR 7828 SSC]*
<<locked>>
97%
46717
77%
**28
93%
Lovex S060
<<locked>>
83%
54824
90%
**28
100%
Lovex S062
<<locked>>
86%
54360
89%
**51
100%
Lovex S065
<<locked>>
92%
54389
89%
**58
99%
Lovex S070
<<locked>>
93%
54505
89%
**91
98%
[Lovex S071]*
<<locked>>
97%
36274
60%
**40
94%
Norma 203B
<<locked>>
85%
53998
89%
**87
100%
Norma 204
<<locked>>
94%
54404
89%
**17
96%
Norma MRP
<<locked>>
97%
46876
77%
**84
97%
Norma URP 👍
<<locked>>
94%
54505
89%
**36
100%
Ramshot Big Game
<<locked>>
85%
54549
90%
**10
100%
Ramshot Hunter
<<locked>>
95%
54505
89%
**53
99%
[Ramshot Magnum]*
<<locked>>
97%
42511
70%
**27
94%
ReloadSwiss RS 14
<<locked>>
97%
35056
58%
**62
100%
ReloadSwiss RS 50
<<locked>>
86%
54447
89%
**64
99%
ReloadSwiss RS 52
<<locked>>
85%
54041
89%
**04
100%
ReloadSwiss RS 60
<<locked>>
91%
54737
90%
**12
100%
ReloadSwiss RS 62 👍
<<locked>>
93%
54186
89%
**53
100%
ReloadSwiss RS 70
<<locked>>
94%
54737
90%
**05
100%
Rottweil R 902
<<locked>>
85%
54621
90%
**35
100%
Rottweil R 903
<<locked>>
89%
54679
90%
**77
100%
Rottweil R 904
<<locked>>
97%
52707
87%
**48
95%
Rottweil R 905
<<locked>>
97%
49313
81%
**51
96%
Rottweil R 907
<<locked>>
91%
54578
90%
**64
98%
SNPE Vectan SP 11
<<locked>>
88%
54679
90%
**17
100%
SNPE Vectan Tubal 5000
<<locked>>
88%
54723
90%
**59
100%
SNPE Vectan Tubal 7000
<<locked>>
92%
54752
90%
**22
98%
Shooters World Long Rifle
<<locked>>
92%
54389
89%
**58
99%
Shooters World Precision
<<locked>>
86%
54360
89%
**51
100%
Somchem S355
<<locked>>
89%
54520
90%
**77
100%
[Somchem S361]*
<<locked>>
97%
54230
89%
**41
94%
Somchem S365 👍
<<locked>>
97%
54433
89%
**50
100%
Somchem S385
<<locked>>
97%
49603
81%
**25
97%
Vihtavuori N133
<<locked>>
84%
54621
90%
**46
100%
Vihtavuori N135
<<locked>>
90%
54665
90%
**02
100%
Vihtavuori N140
<<locked>>
85%
54186
89%
**99
100%
Vihtavuori N150
<<locked>>
94%
54665
90%
**35
100%
Vihtavuori N160
<<locked>>
92%
54418
89%
**94
100%
[Vihtavuori N165]*
<<locked>>
97%
41017
67%
**31
94%
Vihtavuori N540
<<locked>>
85%
54520
89%
**35
100%
Vihtavuori N550
<<locked>>
91%
54636
90%
**30
100%
Vihtavuori N555
<<locked>>
97%
46151
76%
**15
99%
Winchester 6.5 StaBALL
<<locked>>
93%
54259
89%
**64
100%
Winchester 760
<<locked>>
90%
54752
90%
**53
98%
Winchester StaBALL HD
<<locked>>
97%
34577
57%
**49
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
44469
73%
**77
99%
[ADI AR 2209]*
<<locked>>
87%
36637
60%
**56
90%
[ADI AR 2213]*
<<locked>>
94%
41365
68%
**84
90%
[Accurate 2700]*
<<locked>>
81%
42525
70%
**79
94%
[Accurate 3100]*
<<locked>>
85%
28543
47%
**33
90%
Accurate 4064
<<locked>>
81%
46064
76%
**07
100%
Accurate 4350
<<locked>>
81%
34461
57%
**17
96%
Alliant Reloder- TS 15.5
<<locked>>
81%
44498
73%
**07
100%
Alliant Reloder-15
<<locked>>
81%
47413
78%
**72
99%
Alliant Reloder-16
<<locked>>
81%
34374
56%
**40
96%
Alliant Reloder-17
<<locked>>
81%
38783
64%
**74
99%
[Alliant Reloder-19]*
<<locked>>
86%
35723
59%
**33
90%
[Alliant Reloder-22]*
<<locked>>
90%
35447
58%
**76
90%
[Alliant Reloder-23]*
<<locked>>
81%
24801
41%
**48
92%
[Alliant Reloder-25]*
<<locked>>
91%
29747
49%
**08
90%
[Alliant Reloder-26]*
<<locked>>
82%
27630
45%
**92
90%
Hodgdon CFE223
<<locked>>
81%
46557
76%
**79
99%
Hodgdon H380
<<locked>>
81%
45107
74%
**17
98%
Hodgdon H414
<<locked>>
81%
40393
66%
**58
95%
[Hodgdon H4350]*
<<locked>>
81%
33533
55%
**31
91%
[Hodgdon H4831 SC]*
<<locked>>
93%
41713
68%
**54
90%
Hodgdon Hybrid 100V
<<locked>>
81%
31589
52%
**28
97%
Hodgdon LVR
<<locked>>
81%
37579
62%
**82
96%
[Hodgdon Superperformance]*
<<locked>>
81%
36245
59%
**82
92%
Hodgdon VARGET
<<locked>>
81%
43990
72%
**74
99%
Hodgdon TrailBoss
<<locked>>
81%
27282
45%
**55
100%
IMR 3031
<<locked>>
81%
48834
80%
**66
100%
IMR 4064
<<locked>>
81%
43453
71%
**48
99%
IMR 4166 Enduron
<<locked>>
81%
42844
70%
**18
95%
[IMR 4350]*
<<locked>>
81%
35041
58%
**71
92%
IMR 4451 Enduron
<<locked>>
81%
41147
68%
**05
95%
[IMR 4831]*
<<locked>>
81%
30226
50%
**85
94%
IMR 4895
<<locked>>
81%
48704
80%
**02
100%
[IMR 4955 Enduron]*
<<locked>>
92%
40741
67%
**99
90%
[IMR 7828 SSC]*
<<locked>>
93%
40799
67%
**90
90%
Lovex S060
<<locked>>
81%
51488
85%
**66
100%
Lovex S062
<<locked>>
81%
46427
76%
**17
100%
Lovex S065
<<locked>>
81%
38319
63%
**46
96%
[Lovex S070]*
<<locked>>
81%
36434
60%
**13
93%
[Lovex S071]*
<<locked>>
90%
28543
47%
**33
90%
Norma 203B
<<locked>>
81%
46891
77%
**63
100%
[Norma 204]*
<<locked>>
82%
35868
59%
**26
90%
[Norma MRP]*
<<locked>>
87%
32576
53%
**13
90%
Norma URP
<<locked>>
81%
34708
57%
**23
96%
Ramshot Big Game
<<locked>>
81%
47239
78%
**82
100%
[Ramshot Hunter]*
<<locked>>
81%
33881
56%
**03
93%
[Ramshot Magnum]*
<<locked>>
92%
34838
57%
**23
90%
ReloadSwiss RS 14
<<locked>>
81%
27543
45%
**91
100%
ReloadSwiss RS 50
<<locked>>
81%
45324
74%
**94
97%
ReloadSwiss RS 52
<<locked>>
81%
46717
77%
**79
100%
ReloadSwiss RS 60
<<locked>>
81%
37565
62%
**71
99%
ReloadSwiss RS 62
<<locked>>
81%
34505
57%
**36
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
34055
56%
**36
94%
Rottweil R 902
<<locked>>
81%
48414
79%
**27
100%
Rottweil R 903
<<locked>>
81%
41742
69%
**51
99%
[Rottweil R 904]*
<<locked>>
87%
38899
64%
**66
90%
[Rottweil R 905]*
<<locked>>
87%
34867
57%
**23
90%
[Rottweil R 907]*
<<locked>>
81%
39407
65%
**59
94%
SNPE Vectan SP 11
<<locked>>
81%
43178
71%
**07
99%
SNPE Vectan Tubal 5000
<<locked>>
81%
43642
72%
**79
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
37318
61%
**71
94%
Shooters World Long Rifle
<<locked>>
81%
38319
63%
**46
96%
Shooters World Precision
<<locked>>
81%
46427
76%
**17
100%
Somchem S355
<<locked>>
81%
42351
70%
**48
99%
[Somchem S361]*
<<locked>>
89%
41495
68%
**89
90%
Somchem S365
<<locked>>
81%
31053
51%
**64
98%
[Somchem S385]*
<<locked>>
84%
32314
53%
**28
90%
Vihtavuori N133
<<locked>>
81%
49153
81%
**67
100%
Vihtavuori N135
<<locked>>
81%
41017
67%
**69
100%
Vihtavuori N140
<<locked>>
81%
48124
79%
**04
100%
Vihtavuori N150
<<locked>>
81%
36071
59%
**87
99%
Vihtavuori N160
<<locked>>
81%
37797
62%
**69
97%
[Vihtavuori N165]*
<<locked>>
91%
34127
56%
**67
90%
Vihtavuori N540
<<locked>>
81%
48022
79%
**27
100%
Vihtavuori N550
<<locked>>
81%
38276
63%
**12
97%
[Vihtavuori N555]*
<<locked>>
81%
26600
44%
**30
92%
Winchester 6.5 StaBALL
<<locked>>
81%
35839
59%
**03
98%
Winchester 760
<<locked>>
81%
40393
66%
**58
95%
[Winchester StaBALL HD]*
<<locked>>
84%
24410
40%
**80
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

bottom of page