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

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

.300 Weath. 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 Weath. Mag. load data
Case Length (l3):
2.824" | 71.7mm
Cartridge Length (C.O.L.):
3.507" | 89.1mm
Seated Depth:
0.467" | 11.9mm
Shank Seated Depth:
0.322" | 8.2mm
Case Capacity:
98.9 Grains of Water | 6.42 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B10762_C379
Last updated:
2025-01-01
Recommended Twist Rate:
1:13 - 1:11

Load data for 172 loads in caliber .300 Weath. Mag. with .308 | 140gr | Merlin Virtus bullet and 86 powders such as Alliant Reloder-16, Hodgdon LVR, 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".

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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%
57363
90%
**41
100%
ADI AR 2208
<<locked>>
88%
56927
89%
**22
100%
ADI AR 2209
<<locked>>
97%
52663
83%
**19
96%
[ADI AR 2213]*
<<locked>>
97%
46528
73%
**00
92%
Accurate 2700
<<locked>>
89%
57392
90%
**59
98%
Accurate 3100
<<locked>>
97%
44802
70%
**22
97%
Accurate 4064
<<locked>>
87%
57276
90%
**96
100%
Accurate 4350
<<locked>>
94%
56768
89%
**74
100%
Alliant Reloder- TS 15.5
<<locked>>
88%
57130
90%
**38
100%
Alliant Reloder-15
<<locked>>
86%
57130
90%
**48
100%
Alliant Reloder-16 👍
<<locked>>
96%
57261
90%
**33
100%
Alliant Reloder-17
<<locked>>
91%
57130
90%
**33
100%
Alliant Reloder-19
<<locked>>
97%
51314
80%
**82
96%
[Alliant Reloder-22]*
<<locked>>
97%
45266
71%
**10
94%
Alliant Reloder-23
<<locked>>
97%
42815
67%
**61
99%
Alliant Reloder-25
<<locked>>
97%
37652
59%
**40
95%
Alliant Reloder-26
<<locked>>
97%
48588
76%
**55
99%
Baschieri & Pellagri 107
<<locked>>
83%
57276
90%
**48
100%
Hodgdon CFE223
<<locked>>
86%
56884
89%
**74
100%
Hodgdon H380
<<locked>>
87%
56797
89%
**32
100%
Hodgdon H414
<<locked>>
90%
57290
90%
**94
98%
Hodgdon H4350
<<locked>>
97%
56768
89%
**25
98%
[Hodgdon H4831 SC]*
<<locked>>
97%
48950
77%
**07
92%
Hodgdon Hybrid 100V
<<locked>>
97%
55245
87%
**12
100%
Hodgdon LVR 👍
<<locked>>
93%
57290
90%
**84
100%
Hodgdon Superperformance
<<locked>>
92%
56869
89%
**23
98%
Hodgdon VARGET
<<locked>>
89%
56927
89%
**22
100%
Hodgdon TrailBoss
<<locked>>
96%
34098
53%
**05
100%
IMR 3031
<<locked>>
85%
57305
90%
**09
100%
IMR 4064
<<locked>>
89%
57217
90%
**19
100%
IMR 4166 Enduron
<<locked>>
90%
56840
89%
**92
98%
IMR 4350
<<locked>>
95%
56811
89%
**28
98%
IMR 4451 Enduron
<<locked>>
91%
57072
89%
**15
98%
IMR 4831
<<locked>>
97%
52301
82%
**79
99%
IMR 4895
<<locked>>
85%
57203
90%
**61
100%
[IMR 4955 Enduron]*
<<locked>>
97%
48530
76%
**54
93%
[IMR 7828 SSC]*
<<locked>>
97%
47863
75%
**50
93%
Lovex S060
<<locked>>
84%
57130
90%
**79
100%
Lovex S062
<<locked>>
87%
57130
90%
**02
100%
Lovex S065
<<locked>>
93%
56855
89%
**05
99%
Lovex S070
<<locked>>
94%
57145
90%
**41
99%
[Lovex S071]*
<<locked>>
97%
37289
58%
**51
94%
Norma 201
<<locked>>
84%
57188
90%
**02
100%
Norma 202
<<locked>>
84%
57174
90%
**86
100%
Norma 203B
<<locked>>
86%
57116
89%
**48
100%
Norma 204
<<locked>>
95%
57203
90%
**64
97%
Norma MRP
<<locked>>
97%
47834
75%
**92
96%
Norma URP 👍
<<locked>>
95%
57188
90%
**87
100%
Ramshot Big Game
<<locked>>
86%
56710
89%
**55
100%
Ramshot Hunter
<<locked>>
95%
57058
89%
**91
99%
[Ramshot Magnum]*
<<locked>>
97%
43729
69%
**38
94%
ReloadSwiss RS 14
<<locked>>
96%
34592
54%
**44
100%
ReloadSwiss RS 50
<<locked>>
87%
57406
90%
**22
99%
ReloadSwiss RS 52
<<locked>>
86%
57029
89%
**64
100%
ReloadSwiss RS 60
<<locked>>
92%
57087
89%
**60
100%
ReloadSwiss RS 62 👍
<<locked>>
94%
56768
89%
**94
100%
ReloadSwiss RS 70
<<locked>>
95%
57435
90%
**50
100%
Rottweil R 902
<<locked>>
86%
57072
89%
**92
100%
Rottweil R 903
<<locked>>
90%
57116
89%
**35
100%
Rottweil R 904
<<locked>>
97%
53925
84%
**82
95%
Rottweil R 905
<<locked>>
97%
50212
79%
**69
96%
Rottweil R 907
<<locked>>
92%
57130
90%
**19
98%
SNPE Vectan SP 11
<<locked>>
89%
57145
90%
**61
100%
SNPE Vectan SP 9
<<locked>>
84%
57058
89%
**22
100%
SNPE Vectan Tubal 3000
<<locked>>
83%
57058
89%
**10
100%
SNPE Vectan Tubal 5000
<<locked>>
89%
57276
90%
**97
100%
SNPE Vectan Tubal 7000
<<locked>>
93%
57421
90%
**76
98%
Shooters World Long Rifle
<<locked>>
93%
56855
89%
**05
99%
Shooters World Precision
<<locked>>
87%
57130
90%
**02
100%
Somchem S335
<<locked>>
84%
57174
90%
**17
100%
Somchem S355
<<locked>>
90%
57305
90%
**25
100%
Somchem S361
<<locked>>
97%
56478
88%
**82
95%
Somchem S365 👍
<<locked>>
97%
56347
88%
**84
100%
Somchem S385
<<locked>>
97%
50995
80%
**50
97%
Vihtavuori N133
<<locked>>
85%
57058
89%
**97
100%
Vihtavuori N135
<<locked>>
91%
57029
89%
**46
100%
Vihtavuori N140
<<locked>>
86%
56971
89%
**46
100%
Vihtavuori N150
<<locked>>
95%
57203
90%
**82
100%
Vihtavuori N160
<<locked>>
92%
57363
90%
**38
100%
[Vihtavuori N165]*
<<locked>>
97%
42453
67%
**53
94%
Vihtavuori N540
<<locked>>
86%
57116
90%
**86
100%
Vihtavuori N550
<<locked>>
92%
56782
89%
**74
100%
Vihtavuori N555
<<locked>>
97%
47935
75%
**56
99%
Winchester 6.5 StaBALL
<<locked>>
93%
57043
89%
**05
100%
Winchester 760
<<locked>>
90%
57290
90%
**94
98%
Winchester StaBALL HD
<<locked>>
97%
36347
57%
**64
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
53432
84%
**69
100%
ADI AR 2208
<<locked>>
81%
45310
71%
**99
99%
[ADI AR 2209]*
<<locked>>
87%
37478
59%
**77
90%
[ADI AR 2213]*
<<locked>>
94%
42134
66%
**05
90%
[Accurate 2700]*
<<locked>>
81%
43540
68%
**07
94%
[Accurate 3100]*
<<locked>>
85%
29631
46%
**38
90%
Accurate 4064
<<locked>>
81%
47123
74%
**28
100%
Accurate 4350
<<locked>>
81%
35650
56%
**41
96%
Alliant Reloder- TS 15.5
<<locked>>
81%
45295
71%
**25
100%
Alliant Reloder-15
<<locked>>
81%
48791
76%
**00
99%
Alliant Reloder-16
<<locked>>
81%
35012
55%
**51
96%
Alliant Reloder-17
<<locked>>
81%
39943
63%
**05
99%
[Alliant Reloder-19]*
<<locked>>
87%
36782
58%
**54
90%
[Alliant Reloder-22]*
<<locked>>
90%
36492
57%
**87
90%
[Alliant Reloder-23]*
<<locked>>
81%
25251
40%
**39
91%
[Alliant Reloder-25]*
<<locked>>
91%
30530
48%
**17
90%
[Alliant Reloder-26]*
<<locked>>
83%
28674
45%
**07
90%
Baschieri & Pellagri 107
<<locked>>
81%
53388
84%
**79
100%
Hodgdon CFE223
<<locked>>
81%
47834
75%
**10
99%
Hodgdon H380
<<locked>>
81%
45992
72%
**41
98%
Hodgdon H414
<<locked>>
81%
41481
65%
**82
95%
[Hodgdon H4350]*
<<locked>>
81%
34098
53%
**40
90%
[Hodgdon H4831 SC]*
<<locked>>
93%
43178
68%
**86
90%
Hodgdon Hybrid 100V
<<locked>>
81%
32387
51%
**36
96%
Hodgdon LVR
<<locked>>
81%
38696
61%
**07
96%
[Hodgdon Superperformance]*
<<locked>>
81%
37086
58%
**87
92%
Hodgdon VARGET
<<locked>>
81%
44773
70%
**86
99%
Hodgdon TrailBoss
<<locked>>
81%
27122
43%
**37
100%
IMR 3031
<<locked>>
81%
49748
78%
**91
100%
IMR 4064
<<locked>>
81%
44077
69%
**63
99%
IMR 4166 Enduron
<<locked>>
81%
43656
68%
**30
95%
[IMR 4350]*
<<locked>>
81%
35810
56%
**76
91%
IMR 4451 Enduron
<<locked>>
81%
41771
65%
**17
95%
[IMR 4831]*
<<locked>>
81%
31009
49%
**94
94%
IMR 4895
<<locked>>
81%
50111
79%
**43
100%
[IMR 4955 Enduron]*
<<locked>>
92%
41785
65%
**13
90%
[IMR 7828 SSC]*
<<locked>>
93%
41640
65%
**02
90%
Lovex S060
<<locked>>
81%
52533
82%
**97
100%
Lovex S062
<<locked>>
81%
47630
75%
**41
100%
Lovex S065
<<locked>>
81%
38943
61%
**48
95%
[Lovex S070]*
<<locked>>
81%
37202
58%
**22
93%
[Lovex S071]*
<<locked>>
90%
29631
46%
**38
90%
Norma 201
<<locked>>
81%
51953
81%
**07
100%
Norma 202
<<locked>>
81%
52518
82%
**14
100%
Norma 203B
<<locked>>
81%
48037
75%
**84
100%
[Norma 204]*
<<locked>>
82%
37115
58%
**44
90%
[Norma MRP]*
<<locked>>
87%
33562
53%
**28
90%
Norma URP
<<locked>>
81%
35636
56%
**35
95%
Ramshot Big Game
<<locked>>
81%
48370
76%
**07
100%
[Ramshot Hunter]*
<<locked>>
81%
34693
54%
**12
93%
[Ramshot Magnum]*
<<locked>>
91%
35607
56%
**38
90%
ReloadSwiss RS 14
<<locked>>
81%
27601
43%
**80
100%
ReloadSwiss RS 50
<<locked>>
81%
46282
73%
**15
97%
ReloadSwiss RS 52
<<locked>>
81%
47819
75%
**04
100%
ReloadSwiss RS 60
<<locked>>
81%
38580
60%
**86
99%
ReloadSwiss RS 62
<<locked>>
81%
35317
55%
**48
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
34896
55%
**58
94%
Rottweil R 902
<<locked>>
81%
49298
77%
**51
100%
Rottweil R 903
<<locked>>
81%
42786
67%
**66
99%
[Rottweil R 904]*
<<locked>>
88%
39958
63%
**84
90%
[Rottweil R 905]*
<<locked>>
87%
36390
57%
**54
90%
[Rottweil R 907]*
<<locked>>
81%
40089
63%
**74
93%
SNPE Vectan SP 11
<<locked>>
81%
44164
69%
**31
99%
SNPE Vectan SP 9
<<locked>>
81%
51837
81%
**40
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
53156
83%
**51
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
44643
70%
**97
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
38072
60%
**85
93%
Shooters World Long Rifle
<<locked>>
81%
38943
61%
**48
95%
Shooters World Precision
<<locked>>
81%
47630
75%
**41
100%
Somchem S335
<<locked>>
81%
52634
82%
**48
100%
Somchem S355
<<locked>>
81%
43163
68%
**66
99%
[Somchem S361]*
<<locked>>
89%
42830
67%
**10
90%
Somchem S365
<<locked>>
81%
31894
50%
**72
98%
[Somchem S385]*
<<locked>>
85%
33692
53%
**46
90%
Vihtavuori N133
<<locked>>
81%
49937
78%
**86
100%
Vihtavuori N135
<<locked>>
81%
41989
66%
**87
100%
Vihtavuori N140
<<locked>>
81%
49269
77%
**31
100%
Vihtavuori N150
<<locked>>
81%
36840
58%
**02
99%
Vihtavuori N160
<<locked>>
81%
38812
61%
**84
97%
[Vihtavuori N165]*
<<locked>>
91%
34693
54%
**66
90%
Vihtavuori N540
<<locked>>
81%
48834
77%
**45
100%
Vihtavuori N550
<<locked>>
81%
39320
62%
**27
97%
[Vihtavuori N555]*
<<locked>>
81%
27427
43%
**28
92%
Winchester 6.5 StaBALL
<<locked>>
81%
36593
57%
**18
98%
Winchester 760
<<locked>>
81%
41481
65%
**82
95%
[Winchester StaBALL HD]*
<<locked>>
84%
24874
39%
**75
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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