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

Recommended Powder(s): Baschieri & Pellagri 107, Hodgdon BL-C2, IMR 4895, Norma 203B, ReloadSwiss RS 52

.300 RCM + .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 RCM load data
Case Length (l3):
2.090" | 53.1mm
Cartridge Length (C.O.L.):
2.797" | 71.1mm
Seated Depth:
0.443" | 11.2mm
Shank Seated Depth:
0.297" | 7.5mm
Case Capacity:
75.0 Grains of Water | 4.87 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B10762_C371
Last updated:
2025-01-01
Recommended Twist Rate:
1:13 - 1:11

Load data for 194 loads in caliber .300 RCM with .308 | 140gr | Merlin Virtus bullet and 97 powders such as Baschieri & Pellagri 107, Hodgdon BL-C2, IMR 4895, Norma 203B, ReloadSwiss RS 52. 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>>
92%
56956
89%
**23
99%
ADI AR 2208
<<locked>>
97%
55637
87%
**74
99%
Accurate 2015
<<locked>>
88%
57130
90%
**18
100%
Accurate 2200
<<locked>>
90%
56898
89%
**74
98%
Accurate 2230
<<locked>>
86%
57435
90%
**74
100%
Accurate 2460
<<locked>>
86%
57392
90%
**71
100%
Accurate 2495
<<locked>>
91%
56333
88%
**84
100%
Accurate 2520
<<locked>>
91%
57392
90%
**10
100%
Accurate 2700
<<locked>>
97%
55187
86%
**82
95%
Accurate 4064
<<locked>>
97%
56347
88%
**04
100%
Accurate 4350
<<locked>>
97%
42177
66%
**17
96%
Alliant AR-Comp
<<locked>>
90%
57145
90%
**74
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
55332
87%
**04
100%
Alliant Reloder-10x
<<locked>>
86%
57305
90%
**35
100%
Alliant Reloder-15
<<locked>>
95%
57392
90%
**46
99%
Alliant Reloder-16
<<locked>>
97%
42728
67%
**30
96%
Alliant Reloder-17
<<locked>>
97%
48747
76%
**87
99%
Baschieri & Pellagri 106
<<locked>>
84%
56811
89%
**66
100%
Baschieri & Pellagri 107 👍
<<locked>>
92%
56840
89%
**30
99%
Hodgdon BL-C2 👍
<<locked>>
90%
56927
89%
**36
100%
Hodgdon Benchmark
<<locked>>
89%
56855
89%
**35
100%
Hodgdon CFE223
<<locked>>
96%
57348
90%
**76
99%
Hodgdon H322
<<locked>>
88%
56695
89%
**77
100%
Hodgdon H335
<<locked>>
83%
56753
89%
**81
100%
Hodgdon H380
<<locked>>
97%
57029
89%
**23
98%
Hodgdon H414
<<locked>>
97%
50488
79%
**58
95%
Hodgdon Hybrid 100V
<<locked>>
97%
38406
60%
**95
96%
Hodgdon LVR
<<locked>>
97%
47050
74%
**89
96%
[Hodgdon Superperformance]*
<<locked>>
97%
46688
73%
**89
92%
Hodgdon VARGET
<<locked>>
97%
55187
86%
**71
99%
Hodgdon TrailBoss
<<locked>>
96%
32590
51%
**41
100%
IMR 3031
<<locked>>
95%
56521
89%
**17
100%
IMR 4064
<<locked>>
97%
54534
85%
**45
99%
IMR 4166 Enduron
<<locked>>
97%
54027
85%
**05
95%
IMR 4198
<<locked>>
86%
57188
90%
**86
100%
[IMR 4350]*
<<locked>>
97%
43961
69%
**64
92%
IMR 4451 Enduron
<<locked>>
97%
51706
81%
**92
95%
[IMR 4831]*
<<locked>>
97%
35708
56%
**43
93%
IMR 4895 👍
<<locked>>
94%
57029
89%
**53
99%
IMR 8208 XBR
<<locked>>
90%
57305
90%
**87
100%
Lovex D073.4
<<locked>>
85%
56565
89%
**48
100%
Lovex D073.5
<<locked>>
86%
56724
89%
**64
100%
Lovex D073.6
<<locked>>
93%
57392
90%
**10
100%
Lovex S060
<<locked>>
92%
56753
89%
**38
99%
Lovex S062
<<locked>>
96%
56579
89%
**94
100%
Lovex S065
<<locked>>
97%
47645
75%
**27
95%
[Lovex S070]*
<<locked>>
97%
44976
70%
**94
93%
Norma 201
<<locked>>
93%
56695
89%
**84
100%
Norma 202
<<locked>>
93%
57392
90%
**91
100%
Norma 203B 👍
<<locked>>
96%
57421
90%
**43
99%
Norma URP
<<locked>>
97%
42366
66%
**13
96%
Ramshot Big Game
<<locked>>
95%
57261
90%
**56
99%
[Ramshot Hunter]*
<<locked>>
97%
41669
65%
**81
93%
Ramshot TAC
<<locked>>
90%
56971
89%
**84
98%
Ramshot Wild Boar
<<locked>>
90%
56768
89%
**17
99%
Ramshot X-Terminator
<<locked>>
88%
57058
89%
**68
99%
ReloadSwiss RS 14
<<locked>>
97%
33301
52%
**93
100%
ReloadSwiss RS 40
<<locked>>
87%
57406
90%
**84
100%
ReloadSwiss RS 50
<<locked>>
96%
57421
90%
**91
97%
ReloadSwiss RS 52 👍
<<locked>>
96%
57130
90%
**69
100%
ReloadSwiss RS 60
<<locked>>
97%
47558
75%
**77
99%
ReloadSwiss RS 62
<<locked>>
97%
42090
66%
**27
95%
[ReloadSwiss RS 70]*
<<locked>>
97%
43366
68%
**53
94%
Rottweil R 901
<<locked>>
90%
56971
89%
**58
100%
Rottweil R 902
<<locked>>
95%
57014
89%
**71
100%
Rottweil R 903
<<locked>>
97%
51488
81%
**45
99%
[Rottweil R 907]*
<<locked>>
97%
49661
78%
**56
94%
SNPE Vectan SP 11
<<locked>>
97%
53592
84%
**04
99%
SNPE Vectan SP 7
<<locked>>
91%
56695
89%
**84
98%
SNPE Vectan SP 9
<<locked>>
93%
56855
89%
**10
99%
SNPE Vectan Tubal 3000
<<locked>>
91%
56333
88%
**95
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
55898
88%
**82
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
97%
47892
75%
**81
94%
Shooters World Long Rifle
<<locked>>
97%
47645
75%
**27
95%
Shooters World Match Rifle
<<locked>>
93%
57392
90%
**10
100%
Shooters World Precision
<<locked>>
96%
56579
89%
**94
100%
Shooters World Tactical Rifle
<<locked>>
85%
57348
90%
**51
100%
Somchem S321
<<locked>>
88%
57000
89%
**00
100%
Somchem S335
<<locked>>
92%
57043
89%
**15
100%
Somchem S341
<<locked>>
91%
57000
89%
**91
99%
Somchem S355
<<locked>>
97%
52634
82%
**48
99%
Somchem S365
<<locked>>
97%
37898
59%
**61
98%
Vihtavuori N120
<<locked>>
83%
57246
90%
**13
100%
Vihtavuori N130
<<locked>>
88%
57087
89%
**76
100%
Vihtavuori N133
<<locked>>
94%
57174
90%
**99
100%
Vihtavuori N135
<<locked>>
96%
49530
78%
**46
100%
Vihtavuori N140
<<locked>>
95%
57290
90%
**61
100%
Vihtavuori N150
<<locked>>
97%
44440
70%
**77
99%
Vihtavuori N160
<<locked>>
97%
47108
74%
**63
97%
Vihtavuori N530
<<locked>>
88%
57203
90%
**97
100%
Vihtavuori N540
<<locked>>
95%
57232
90%
**91
100%
Vihtavuori N550
<<locked>>
97%
46934
74%
**99
97%
[Vihtavuori N555]*
<<locked>>
97%
31357
49%
**94
92%
Winchester 6.5 StaBALL
<<locked>>
97%
46050
72%
**10
98%
Winchester 748
<<locked>>
88%
57392
90%
**40
100%
Winchester 760
<<locked>>
97%
50488
79%
**58
95%
Winchester StaBALL Match
<<locked>>
86%
57014
89%
**23
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
39958
63%
**95
96%
[ADI AR 2208]*
<<locked>>
81%
34055
53%
**31
93%
Accurate 2015
<<locked>>
81%
45324
71%
**31
100%
Accurate 2200
<<locked>>
81%
42250
66%
**02
95%
Accurate 2230
<<locked>>
81%
47718
75%
**17
99%
Accurate 2460
<<locked>>
81%
47688
75%
**20
100%
Accurate 2495
<<locked>>
81%
39653
62%
**02
100%
Accurate 2520
<<locked>>
81%
40944
64%
**31
99%
[Accurate 2700]*
<<locked>>
88%
40466
63%
**17
90%
Accurate 4064
<<locked>>
81%
33330
52%
**67
98%
[Accurate 4350]*
<<locked>>
87%
29356
46%
**02
90%
Alliant AR-Comp
<<locked>>
81%
41379
65%
**28
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
32982
52%
**48
95%
Alliant Reloder-10x
<<locked>>
81%
49443
77%
**17
100%
[Alliant Reloder-15]*
<<locked>>
81%
35578
56%
**13
94%
[Alliant Reloder-16]*
<<locked>>
87%
31488
49%
**35
90%
[Alliant Reloder-17]*
<<locked>>
81%
28587
45%
**69
91%
Baschieri & Pellagri 106
<<locked>>
81%
51866
81%
**94
100%
Baschieri & Pellagri 107
<<locked>>
81%
39015
61%
**92
95%
Hodgdon BL-C2
<<locked>>
81%
41089
64%
**58
98%
Hodgdon Benchmark
<<locked>>
81%
44092
69%
**18
99%
[Hodgdon CFE223]*
<<locked>>
81%
34040
53%
**97
92%
Hodgdon H322
<<locked>>
81%
44817
70%
**81
100%
Hodgdon H335
<<locked>>
81%
52417
82%
**22
100%
[Hodgdon H380]*
<<locked>>
81%
33359
52%
**41
91%
[Hodgdon H414]*
<<locked>>
89%
38159
60%
**02
90%
[Hodgdon Hybrid 100V]*
<<locked>>
86%
27151
43%
**80
90%
[Hodgdon LVR]*
<<locked>>
85%
32155
50%
**41
90%
[Hodgdon Superperformance]*
<<locked>>
94%
41756
65%
**81
90%
[Hodgdon VARGET]*
<<locked>>
81%
33736
53%
**25
93%
Hodgdon TrailBoss
<<locked>>
81%
25933
41%
**90
100%
IMR 3031
<<locked>>
81%
35868
56%
**46
100%
[IMR 4064]*
<<locked>>
81%
33025
52%
**05
93%
[IMR 4166 Enduron]*
<<locked>>
85%
37449
59%
**71
90%
IMR 4198
<<locked>>
81%
50067
78%
**87
100%
[IMR 4350]*
<<locked>>
94%
39900
63%
**69
90%
[IMR 4451 Enduron]*
<<locked>>
87%
38247
60%
**10
90%
[IMR 4831]*
<<locked>>
91%
29704
47%
**79
90%
IMR 4895
<<locked>>
81%
36463
57%
**46
95%
IMR 8208 XBR
<<locked>>
81%
42032
66%
**15
98%
Lovex D073.4
<<locked>>
81%
49414
77%
**36
100%
Lovex D073.5
<<locked>>
81%
47398
74%
**17
100%
Lovex D073.6
<<locked>>
81%
38247
60%
**76
99%
Lovex S060
<<locked>>
81%
40625
64%
**43
97%
Lovex S062
<<locked>>
81%
35099
55%
**77
96%
[Lovex S065]*
<<locked>>
86%
33301
52%
**12
90%
[Lovex S070]*
<<locked>>
91%
36825
58%
**13
90%
Norma 201
<<locked>>
81%
38986
61%
**53
97%
Norma 202
<<locked>>
81%
39189
61%
**72
99%
Norma 203B
<<locked>>
81%
34969
55%
**00
95%
[Norma URP]*
<<locked>>
87%
30501
48%
**05
90%
[Ramshot Big Game]*
<<locked>>
81%
34621
54%
**10
94%
[Ramshot Hunter]*
<<locked>>
92%
35534
56%
**40
90%
[Ramshot TAC]*
<<locked>>
81%
42467
67%
**12
94%
Ramshot Wild Boar
<<locked>>
81%
41162
65%
**28
97%
Ramshot X-Terminator
<<locked>>
81%
45861
72%
**71
98%
ReloadSwiss RS 14
<<locked>>
81%
26107
41%
**29
100%
ReloadSwiss RS 40
<<locked>>
81%
47253
74%
**17
100%
[ReloadSwiss RS 50]*
<<locked>>
82%
35795
56%
**67
90%
ReloadSwiss RS 52
<<locked>>
81%
33634
53%
**17
96%
[ReloadSwiss RS 60]*
<<locked>>
81%
27891
44%
**49
91%
[ReloadSwiss RS 62]*
<<locked>>
88%
31241
49%
**57
90%
[ReloadSwiss RS 70]*
<<locked>>
91%
35259
55%
**40
90%
Rottweil R 901
<<locked>>
81%
42728
67%
**12
100%
Rottweil R 902
<<locked>>
81%
37144
58%
**03
97%
[Rottweil R 903]*
<<locked>>
81%
30226
47%
**79
93%
[Rottweil R 907]*
<<locked>>
90%
39523
62%
**46
90%
[SNPE Vectan SP 11]*
<<locked>>
81%
31720
50%
**38
93%
[SNPE Vectan SP 7]*
<<locked>>
81%
40161
63%
**72
94%
SNPE Vectan SP 9
<<locked>>
81%
38595
60%
**62
96%
SNPE Vectan Tubal 3000
<<locked>>
81%
40988
64%
**33
99%
SNPE Vectan Tubal 5000
<<locked>>
81%
33576
53%
**79
99%
[SNPE Vectan Tubal 7000]*
<<locked>>
90%
36840
58%
**64
90%
[Shooters World Long Rifle]*
<<locked>>
86%
33301
52%
**12
90%
Shooters World Match Rifle
<<locked>>
81%
38247
60%
**76
99%
Shooters World Precision
<<locked>>
81%
35099
55%
**77
96%
Shooters World Tactical Rifle
<<locked>>
81%
50183
79%
**40
99%
Somchem S321
<<locked>>
81%
45484
71%
**00
99%
Somchem S335
<<locked>>
81%
40205
63%
**30
100%
Somchem S341
<<locked>>
81%
39827
62%
**76
96%
[Somchem S355]*
<<locked>>
81%
31401
49%
**92
94%
[Somchem S365]*
<<locked>>
84%
24700
39%
**51
90%
Vihtavuori N120
<<locked>>
81%
53432
84%
**58
100%
Vihtavuori N130
<<locked>>
81%
45397
71%
**99
100%
Vihtavuori N133
<<locked>>
81%
38348
60%
**80
100%
Vihtavuori N135
<<locked>>
81%
30313
47%
**59
99%
Vihtavuori N140
<<locked>>
81%
36651
57%
**94
99%
[Vihtavuori N150]*
<<locked>>
81%
26556
42%
**41
93%
[Vihtavuori N160]*
<<locked>>
84%
30516
48%
**75
90%
Vihtavuori N530
<<locked>>
81%
44309
69%
**81
99%
Vihtavuori N540
<<locked>>
81%
36361
57%
**13
99%
[Vihtavuori N550]*
<<locked>>
84%
31024
49%
**28
90%
[Vihtavuori N555]*
<<locked>>
94%
28718
45%
**08
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
26861
42%
**25
90%
Winchester 748
<<locked>>
81%
44773
70%
**23
99%
[Winchester 760]*
<<locked>>
89%
38159
60%
**02
90%
Winchester StaBALL Match
<<locked>>
81%
47601
75%
**69
99%

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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