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Load data for .300 Blaser Mag + .308 | 140gr | Merlin Virtus

Recommended Powder(s): Alliant Reloder-17, ReloadSwiss RS 60, Somchem S365, Vihtavuori N160, Vihtavuori N550

.300 Blaser Mag + .308 | 140gr | Merlin Virtus

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 140gr | Merlin Virtus
Manufacturer SKU:
Merlin-0.308-140
Bullet Weight:
140gr | 9.1g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.150" | 29.2mm
Caliber:
.300 Blaser Mag load data
Case Length (l3):
2.519" | 64.0mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.379" | 9.6mm
Shank Seated Depth:
0.233" | 5.9mm
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_B10762_C351
Last updated:
2025-01-01
Recommended Twist Rate:
1:13 - 1:11

Load data for 168 loads in caliber .300 Blaser Mag with .308 | 140gr | Merlin Virtus bullet and 84 powders such as Alliant Reloder-17, ReloadSwiss RS 60, Somchem S365, Vihtavuori N160, Vihtavuori N550. 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 2206H
<<locked>>
83%
54447
89%
**79
100%
ADI AR 2208
<<locked>>
89%
54694
90%
**69
100%
[ADI AR 2209]*
<<locked>>
97%
49066
81%
**30
94%
Accurate 2700
<<locked>>
89%
54302
89%
**97
97%
Accurate 3100
<<locked>>
97%
41350
68%
**40
95%
Accurate 4064
<<locked>>
87%
54433
89%
**43
100%
Accurate 4350
<<locked>>
95%
54665
90%
**28
99%
Alliant Reloder- TS 15.5
<<locked>>
88%
54781
90%
**89
100%
Alliant Reloder-15
<<locked>>
86%
54230
89%
**92
100%
Alliant Reloder-16
<<locked>>
96%
54302
89%
**68
100%
Alliant Reloder-17 👍
<<locked>>
91%
54157
89%
**81
100%
[Alliant Reloder-19]*
<<locked>>
97%
48022
79%
**10
94%
[Alliant Reloder-22]*
<<locked>>
97%
42366
70%
**18
92%
Alliant Reloder-23
<<locked>>
97%
39929
66%
**79
99%
[Alliant Reloder-25]*
<<locked>>
97%
34867
57%
**48
93%
Alliant Reloder-26
<<locked>>
97%
45034
74%
**69
98%
Baschieri & Pellagri 107
<<locked>>
83%
54476
89%
**96
100%
Hodgdon CFE223
<<locked>>
86%
54476
89%
**19
99%
Hodgdon H380
<<locked>>
87%
54244
89%
**73
99%
Hodgdon H414
<<locked>>
91%
54433
89%
**32
98%
Hodgdon H4350
<<locked>>
97%
53679
88%
**56
97%
Hodgdon Hybrid 100V
<<locked>>
97%
52025
85%
**56
100%
Hodgdon LVR
<<locked>>
93%
54752
90%
**22
99%
Hodgdon Superperformance
<<locked>>
93%
54230
89%
**58
97%
Hodgdon VARGET
<<locked>>
89%
54375
89%
**56
100%
Hodgdon TrailBoss
<<locked>>
96%
34011
56%
**82
100%
IMR 3031
<<locked>>
86%
54346
89%
**63
100%
IMR 4064
<<locked>>
89%
54433
89%
**46
100%
IMR 4166 Enduron
<<locked>>
90%
54317
89%
**33
98%
IMR 4350
<<locked>>
96%
54476
89%
**73
97%
IMR 4451 Enduron
<<locked>>
91%
54288
89%
**53
97%
IMR 4831
<<locked>>
97%
48573
80%
**00
99%
IMR 4895
<<locked>>
85%
54346
89%
**05
100%
Lovex D073.6
<<locked>>
83%
54607
90%
**53
100%
Lovex S060
<<locked>>
84%
54737
90%
**17
100%
Lovex S062
<<locked>>
87%
54491
89%
**46
100%
Lovex S065
<<locked>>
93%
54027
89%
**50
99%
Lovex S070
<<locked>>
95%
54462
89%
**79
98%
[Lovex S071]*
<<locked>>
97%
34490
57%
**76
93%
Norma 201
<<locked>>
84%
54505
89%
**40
100%
Norma 202
<<locked>>
84%
54433
89%
**27
100%
Norma 203B
<<locked>>
86%
54099
89%
**89
100%
Norma 204
<<locked>>
95%
54230
89%
**09
96%
Norma MRP
<<locked>>
97%
44411
73%
**10
95%
Norma URP
<<locked>>
95%
54128
89%
**25
99%
Ramshot Big Game
<<locked>>
86%
54447
89%
**02
100%
Ramshot Hunter
<<locked>>
96%
54824
90%
**45
98%
[Ramshot Magnum]*
<<locked>>
97%
40727
67%
**53
92%
ReloadSwiss RS 14
<<locked>>
97%
34693
57%
**31
100%
ReloadSwiss RS 50
<<locked>>
87%
54404
89%
**56
98%
ReloadSwiss RS 52
<<locked>>
87%
54752
90%
**19
100%
ReloadSwiss RS 60 👍
<<locked>>
92%
54476
89%
**14
100%
ReloadSwiss RS 62
<<locked>>
95%
54331
89%
**48
99%
ReloadSwiss RS 70
<<locked>>
95%
54505
89%
**97
99%
Rottweil R 902
<<locked>>
86%
54592
90%
**33
100%
Rottweil R 903
<<locked>>
90%
54694
90%
**79
100%
[Rottweil R 904]*
<<locked>>
97%
50807
83%
**07
94%
[Rottweil R 905]*
<<locked>>
97%
47036
77%
**94
94%
Rottweil R 907
<<locked>>
92%
54418
89%
**46
97%
SNPE Vectan SP 11
<<locked>>
89%
54563
90%
**12
100%
SNPE Vectan SP 9
<<locked>>
84%
54505
89%
**73
100%
SNPE Vectan Tubal 3000
<<locked>>
84%
54795
90%
**68
100%
SNPE Vectan Tubal 5000
<<locked>>
89%
54404
89%
**45
100%
SNPE Vectan Tubal 7000
<<locked>>
93%
54302
89%
**04
98%
Shooters World Long Rifle
<<locked>>
93%
54027
89%
**50
99%
Shooters World Match Rifle
<<locked>>
83%
54607
90%
**53
100%
Shooters World Precision
<<locked>>
87%
54491
89%
**46
100%
Somchem S335
<<locked>>
84%
54766
90%
**61
100%
Somchem S355
<<locked>>
90%
54795
90%
**76
100%
[Somchem S361]*
<<locked>>
97%
52649
86%
**97
93%
Somchem S365 👍
<<locked>>
97%
51866
85%
**12
100%
Somchem S385
<<locked>>
97%
48095
79%
**71
95%
Vihtavuori N133
<<locked>>
85%
54201
89%
**41
100%
Vihtavuori N135
<<locked>>
91%
54491
89%
**91
100%
Vihtavuori N140
<<locked>>
86%
54563
90%
**10
100%
Vihtavuori N150
<<locked>>
95%
54694
90%
**33
100%
Vihtavuori N160 👍
<<locked>>
93%
54375
89%
**82
99%
[Vihtavuori N165]*
<<locked>>
97%
39711
65%
**84
92%
Vihtavuori N540
<<locked>>
86%
54128
89%
**30
100%
Vihtavuori N550 👍
<<locked>>
92%
54288
89%
**28
99%
Vihtavuori N555
<<locked>>
97%
44338
73%
**74
98%
Winchester 6.5 StaBALL
<<locked>>
94%
54752
90%
**59
100%
Winchester 760
<<locked>>
91%
54433
89%
**32
98%
Winchester StaBALL HD
<<locked>>
97%
35679
59%
**76
98%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
50546
83%
**10
100%
ADI AR 2208
<<locked>>
81%
42873
70%
**40
98%
[ADI AR 2209]*
<<locked>>
90%
38798
64%
**90
90%
[Accurate 2700]*
<<locked>>
81%
41118
68%
**28
93%
[Accurate 3100]*
<<locked>>
88%
30342
50%
**61
90%
Accurate 4064
<<locked>>
81%
44237
73%
**72
100%
[Accurate 4350]*
<<locked>>
81%
32866
54%
**56
94%
Alliant Reloder- TS 15.5
<<locked>>
81%
42685
70%
**56
99%
Alliant Reloder-15
<<locked>>
81%
45847
75%
**35
99%
[Alliant Reloder-16]*
<<locked>>
81%
32982
54%
**82
94%
Alliant Reloder-17
<<locked>>
81%
37217
61%
**30
98%
[Alliant Reloder-19]*
<<locked>>
89%
37637
62%
**64
90%
[Alliant Reloder-22]*
<<locked>>
93%
37623
62%
**04
90%
[Alliant Reloder-23]*
<<locked>>
82%
24642
40%
**03
90%
[Alliant Reloder-25]*
<<locked>>
93%
31096
51%
**30
90%
[Alliant Reloder-26]*
<<locked>>
85%
29298
48%
**13
90%
Baschieri & Pellagri 107
<<locked>>
81%
50372
83%
**14
99%
Hodgdon CFE223
<<locked>>
81%
44773
73%
**41
98%
Hodgdon H380
<<locked>>
81%
43308
71%
**66
97%
[Hodgdon H414]*
<<locked>>
81%
38725
64%
**10
93%
[Hodgdon H4350]*
<<locked>>
83%
34664
57%
**40
90%
Hodgdon Hybrid 100V
<<locked>>
81%
30443
50%
**67
95%
[Hodgdon LVR]*
<<locked>>
81%
36158
59%
**31
94%
[Hodgdon Superperformance]*
<<locked>>
81%
34722
57%
**08
90%
Hodgdon VARGET
<<locked>>
81%
42496
70%
**27
98%
Hodgdon TrailBoss
<<locked>>
81%
27137
45%
**18
100%
IMR 3031
<<locked>>
81%
46833
77%
**31
100%
IMR 4064
<<locked>>
81%
41814
69%
**10
98%
[IMR 4166 Enduron]*
<<locked>>
81%
41698
68%
**71
94%
[IMR 4350]*
<<locked>>
81%
34287
56%
**23
90%
[IMR 4451 Enduron]*
<<locked>>
81%
39653
65%
**48
93%
[IMR 4831]*
<<locked>>
81%
28877
47%
**28
92%
IMR 4895
<<locked>>
81%
47079
77%
**68
99%
Lovex D073.6
<<locked>>
81%
50343
83%
**87
100%
Lovex S060
<<locked>>
81%
50140
82%
**38
100%
Lovex S062
<<locked>>
81%
44991
74%
**72
100%
[Lovex S065]*
<<locked>>
81%
36738
60%
**85
94%
[Lovex S070]*
<<locked>>
81%
34983
57%
**56
92%
[Lovex S071]*
<<locked>>
93%
30342
50%
**61
90%
Norma 201
<<locked>>
81%
49240
81%
**45
100%
Norma 202
<<locked>>
81%
49777
82%
**58
100%
Norma 203B
<<locked>>
81%
45223
74%
**22
99%
[Norma 204]*
<<locked>>
85%
38450
63%
**67
90%
[Norma MRP]*
<<locked>>
90%
34490
57%
**44
90%
[Norma URP]*
<<locked>>
81%
33359
55%
**72
94%
Ramshot Big Game
<<locked>>
81%
45411
75%
**35
99%
[Ramshot Hunter]*
<<locked>>
81%
32576
53%
**46
91%
[Ramshot Magnum]*
<<locked>>
94%
36970
61%
**58
90%
ReloadSwiss RS 14
<<locked>>
81%
27354
45%
**54
100%
ReloadSwiss RS 50
<<locked>>
81%
43787
72%
**46
96%
ReloadSwiss RS 52
<<locked>>
81%
44904
74%
**38
100%
ReloadSwiss RS 60
<<locked>>
81%
36100
59%
**10
98%
[ReloadSwiss RS 62]*
<<locked>>
81%
32822
54%
**79
94%
[ReloadSwiss RS 70]*
<<locked>>
81%
32721
54%
**79
92%
Rottweil R 902
<<locked>>
81%
46702
77%
**95
100%
Rottweil R 903
<<locked>>
81%
40234
66%
**97
99%
[Rottweil R 904]*
<<locked>>
90%
41292
68%
**07
90%
[Rottweil R 905]*
<<locked>>
90%
37202
61%
**64
90%
[Rottweil R 907]*
<<locked>>
81%
37913
62%
**99
92%
SNPE Vectan SP 11
<<locked>>
81%
41539
68%
**63
98%
SNPE Vectan SP 9
<<locked>>
81%
49153
81%
**77
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
50705
83%
**99
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
42337
70%
**41
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
36056
59%
**20
92%
[Shooters World Long Rifle]*
<<locked>>
81%
36738
60%
**85
94%
Shooters World Match Rifle
<<locked>>
81%
50343
83%
**87
100%
Shooters World Precision
<<locked>>
81%
44991
74%
**72
100%
Somchem S335
<<locked>>
81%
50067
82%
**95
100%
Somchem S355
<<locked>>
81%
40770
67%
**10
99%
[Somchem S361]*
<<locked>>
92%
43990
72%
**23
90%
Somchem S365
<<locked>>
81%
29791
49%
**07
96%
[Somchem S385]*
<<locked>>
87%
34403
56%
**62
90%
Vihtavuori N133
<<locked>>
81%
47514
78%
**27
100%
Vihtavuori N135
<<locked>>
81%
39378
65%
**28
100%
Vihtavuori N140
<<locked>>
81%
46630
77%
**76
100%
Vihtavuori N150
<<locked>>
81%
34722
57%
**36
98%
Vihtavuori N160
<<locked>>
81%
36303
60%
**15
95%
[Vihtavuori N165]*
<<locked>>
94%
35752
59%
**79
90%
Vihtavuori N540
<<locked>>
81%
46485
76%
**95
100%
Vihtavuori N550
<<locked>>
81%
36796
60%
**48
95%
[Vihtavuori N555]*
<<locked>>
81%
25715
42%
**72
90%
Winchester 6.5 StaBALL
<<locked>>
81%
34490
57%
**46
97%
[Winchester 760]*
<<locked>>
81%
38725
64%
**10
93%
[Winchester StaBALL HD]*
<<locked>>
87%
25512
42%
**92
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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