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Load data for .308 Win. Ackley Improved + .308 | 155gr | Merlin Virtus

Recommended Powder(s): Accurate 2520, ReloadSwiss RS 40, Somchem S321, Winchester 748, Winchester StaBALL Match

.308 Win. Ackley Improved + .308 | 155gr | Merlin Virtus

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 155gr | Merlin Virtus
Manufacturer SKU:
Merlin-0.308-155
Bullet Weight:
155gr | 10.0g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.240" | 31.5mm
Caliber:
.308 Win. Ackley Improved load data
Case Length (l3):
2.014" | 51.2mm
Cartridge Length (C.O.L.):
2.758" | 70.1mm
Seated Depth:
0.496" | 12.6mm
Shank Seated Depth:
0.311" | 7.9mm
Case Capacity:
59.0 Grains of Water | 3.83 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
60191 psi | 4150 bar
LID:
LID_B10766_C403
Last updated:
2025-01-01
Recommended Twist Rate:
1:12 - 1:10

Load data for 156 loads in caliber .308 Win. Ackley Improved with .308 | 155gr | Merlin Virtus bullet and 78 powders such as Accurate 2520, ReloadSwiss RS 40, Somchem S321, Winchester 748, Winchester StaBALL Match. 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>>
96%
52547
87%
**66
98%
ADI AR 2207
<<locked>>
85%
53127
88%
**51
100%
ADI AR 2208
<<locked>>
97%
45281
75%
**18
95%
ADI AR 2219
<<locked>>
88%
53185
88%
**53
100%
Accurate 2015
<<locked>>
94%
54157
90%
**17
100%
Accurate 2200
<<locked>>
95%
53911
90%
**36
96%
Accurate 2230
<<locked>>
91%
54056
90%
**36
99%
Accurate 2460
<<locked>>
91%
53113
88%
**36
99%
Accurate 2495
<<locked>>
97%
51343
85%
**59
100%
Accurate 2520 👍
<<locked>>
96%
53954
90%
**95
100%
Accurate 4064
<<locked>>
97%
42235
70%
**28
99%
Alliant AR-Comp
<<locked>>
96%
53476
89%
**69
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
42757
71%
**28
97%
Alliant Reloder-10x
<<locked>>
90%
53374
89%
**17
100%
Alliant Reloder-15
<<locked>>
96%
46630
77%
**94
96%
[Alliant Reloder-17]*
<<locked>>
96%
37695
63%
**75
94%
Alliant Reloder-7
<<locked>>
85%
54143
90%
**64
100%
Baschieri & Pellagri 106
<<locked>>
88%
53040
88%
**44
100%
Baschieri & Pellagri 107
<<locked>>
96%
52243
87%
**76
97%
Hodgdon BL-C2
<<locked>>
96%
53664
89%
**18
99%
Hodgdon Benchmark
<<locked>>
93%
53142
88%
**00
99%
Hodgdon CFE BLK
<<locked>>
85%
53374
89%
**67
99%
Hodgdon CFE223
<<locked>>
96%
45861
76%
**00
95%
Hodgdon H322
<<locked>>
94%
53780
89%
**62
100%
Hodgdon H335
<<locked>>
88%
53983
90%
**72
100%
[Hodgdon H380]*
<<locked>>
97%
44454
74%
**38
94%
Hodgdon H4198
<<locked>>
86%
53432
89%
**57
100%
Hodgdon VARGET
<<locked>>
97%
44759
74%
**08
95%
IMR 3031
<<locked>>
97%
46325
77%
**13
100%
IMR 4064
<<locked>>
96%
43062
72%
**75
95%
IMR 4198
<<locked>>
89%
53345
89%
**67
100%
IMR 4895
<<locked>>
96%
47529
79%
**20
97%
IMR 8208 XBR
<<locked>>
95%
53417
89%
**46
99%
Lovex D073.4
<<locked>>
90%
53548
89%
**30
99%
Lovex D073.5
<<locked>>
91%
53795
89%
**46
99%
Lovex D073.6
<<locked>>
97%
50459
84%
**49
100%
Lovex S060
<<locked>>
96%
53171
88%
**00
98%
Lovex S062
<<locked>>
97%
45934
76%
**51
98%
Norma 200
<<locked>>
86%
53432
89%
**90
100%
Norma 201
<<locked>>
97%
51242
85%
**17
99%
Norma 202
<<locked>>
97%
51619
86%
**43
100%
Norma 203B
<<locked>>
96%
45426
75%
**77
97%
Ramshot Big Game
<<locked>>
97%
46093
77%
**97
96%
Ramshot TAC
<<locked>>
95%
54027
90%
**43
95%
Ramshot Wild Boar
<<locked>>
95%
53069
88%
**79
98%
Ramshot X-Terminator
<<locked>>
92%
53998
90%
**30
98%
ReloadSwiss RS 40 👍
<<locked>>
91%
53925
90%
**56
100%
[ReloadSwiss RS 50]*
<<locked>>
97%
46021
76%
**25
92%
ReloadSwiss RS 52
<<locked>>
97%
44353
74%
**97
98%
[ReloadSwiss RS 60]*
<<locked>>
96%
36854
61%
**52
94%
Rottweil R 901
<<locked>>
95%
53229
88%
**33
100%
Rottweil R 902
<<locked>>
97%
48834
81%
**71
98%
Rottweil R 903
<<locked>>
97%
38841
65%
**52
95%
SNPE Vectan BA6 1/2
<<locked>>
84%
53142
88%
**02
100%
SNPE Vectan SP 10
<<locked>>
88%
53998
90%
**66
100%
SNPE Vectan SP 11
<<locked>>
97%
41698
69%
**18
95%
SNPE Vectan SP 7
<<locked>>
96%
52924
88%
**36
96%
SNPE Vectan SP 9
<<locked>>
97%
51343
85%
**43
98%
SNPE Vectan Tubal 3000
<<locked>>
96%
52910
88%
**67
100%
SNPE Vectan Tubal 5000
<<locked>>
96%
43700
73%
**39
100%
Shooters World Match Rifle
<<locked>>
97%
50459
84%
**49
100%
Shooters World Precision
<<locked>>
97%
45934
76%
**51
98%
Shooters World Tactical Rifle
<<locked>>
89%
53940
90%
**13
99%
Somchem S321 👍
<<locked>>
93%
53911
90%
**82
99%
Somchem S335
<<locked>>
97%
52794
88%
**84
100%
Somchem S341
<<locked>>
96%
53519
89%
**56
98%
Somchem S355
<<locked>>
97%
40408
67%
**66
96%
Vihtavuori N120
<<locked>>
87%
53127
88%
**02
100%
Vihtavuori N130
<<locked>>
93%
54143
90%
**71
100%
Vihtavuori N133
<<locked>>
96%
49371
82%
**18
100%
Vihtavuori N135
<<locked>>
96%
38319
64%
**10
100%
Vihtavuori N140
<<locked>>
97%
48051
80%
**61
100%
Vihtavuori N150
<<locked>>
97%
34055
57%
**18
95%
Vihtavuori N530
<<locked>>
93%
53142
88%
**56
99%
Vihtavuori N540
<<locked>>
97%
47950
80%
**87
100%
[Winchester 6.5 StaBALL]*
<<locked>>
96%
35940
60%
**28
93%
Winchester 748 👍
<<locked>>
93%
53882
90%
**18
100%
Winchester StaBALL Match 👍
<<locked>>
91%
53954
90%
**95
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2206H]*
<<locked>>
81%
32053
53%
**65
92%
ADI AR 2207
<<locked>>
81%
47340
79%
**69
100%
[ADI AR 2208]*
<<locked>>
85%
31502
52%
**29
90%
ADI AR 2219
<<locked>>
81%
42482
71%
**85
100%
Accurate 2015
<<locked>>
81%
36318
60%
**28
100%
[Accurate 2200]*
<<locked>>
81%
34084
57%
**69
90%
Accurate 2230
<<locked>>
81%
37826
63%
**64
95%
Accurate 2460
<<locked>>
81%
37434
62%
**74
97%
Accurate 2495
<<locked>>
81%
29718
49%
**62
99%
Accurate 2520
<<locked>>
81%
31285
52%
**85
96%
[Accurate 4064]*
<<locked>>
81%
25005
42%
**31
94%
Alliant AR-Comp
<<locked>>
81%
31981
53%
**15
100%
[Alliant Reloder- TS 15.5]*
<<locked>>
82%
26905
45%
**60
90%
Alliant Reloder-10x
<<locked>>
81%
40059
67%
**03
100%
[Alliant Reloder-15]*
<<locked>>
84%
30821
51%
**56
90%
[Alliant Reloder-17]*
<<locked>>
91%
31256
52%
**02
90%
Alliant Reloder-7
<<locked>>
81%
48559
81%
**85
100%
Baschieri & Pellagri 106
<<locked>>
81%
42525
71%
**84
100%
[Baschieri & Pellagri 107]*
<<locked>>
83%
33083
55%
**98
90%
[Hodgdon BL-C2]*
<<locked>>
81%
31720
53%
**02
93%
Hodgdon Benchmark
<<locked>>
81%
36405
60%
**02
96%
Hodgdon CFE BLK
<<locked>>
81%
47021
78%
**66
98%
[Hodgdon CFE223]*
<<locked>>
88%
34113
57%
**48
90%
Hodgdon H322
<<locked>>
81%
35839
60%
**54
99%
Hodgdon H335
<<locked>>
81%
41684
69%
**75
99%
[Hodgdon H380]*
<<locked>>
90%
34867
58%
**38
90%
Hodgdon H4198
<<locked>>
81%
45803
76%
**39
100%
[Hodgdon VARGET]*
<<locked>>
86%
31792
53%
**36
90%
IMR 3031
<<locked>>
81%
27963
46%
**23
97%
[IMR 4064]*
<<locked>>
85%
30356
50%
**97
90%
IMR 4198
<<locked>>
81%
41640
69%
**87
100%
[IMR 4895]*
<<locked>>
81%
28776
48%
**16
90%
[IMR 8208 XBR]*
<<locked>>
81%
34127
57%
**95
94%
Lovex D073.4
<<locked>>
81%
39233
65%
**93
97%
Lovex D073.5
<<locked>>
81%
37057
62%
**64
97%
Lovex D073.6
<<locked>>
81%
29211
49%
**33
95%
[Lovex S060]*
<<locked>>
81%
33576
56%
**29
92%
[Lovex S062]*
<<locked>>
81%
27702
46%
**54
92%
Norma 200
<<locked>>
81%
44831
74%
**69
100%
[Norma 201]*
<<locked>>
81%
30980
51%
**23
93%
Norma 202
<<locked>>
81%
31096
52%
**52
96%
[Norma 203B]*
<<locked>>
83%
29399
49%
**26
90%
[Ramshot Big Game]*
<<locked>>
85%
31053
52%
**69
90%
[Ramshot TAC]*
<<locked>>
84%
37086
62%
**44
90%
[Ramshot Wild Boar]*
<<locked>>
81%
32532
54%
**88
92%
[Ramshot X-Terminator]*
<<locked>>
81%
37188
62%
**38
94%
ReloadSwiss RS 40
<<locked>>
81%
38116
63%
**80
97%
[ReloadSwiss RS 50]*
<<locked>>
93%
40495
67%
**20
90%
[ReloadSwiss RS 52]*
<<locked>>
81%
26281
44%
**70
91%
[ReloadSwiss RS 60]*
<<locked>>
91%
30458
51%
**79
90%
Rottweil R 901
<<locked>>
81%
34534
57%
**95
97%
[Rottweil R 902]*
<<locked>>
81%
29472
49%
**74
92%
[Rottweil R 903]*
<<locked>>
86%
26876
45%
**74
90%
SNPE Vectan BA6 1/2
<<locked>>
81%
48631
81%
**46
100%
SNPE Vectan SP 10
<<locked>>
81%
42656
71%
**89
99%
[SNPE Vectan SP 11]*
<<locked>>
88%
31082
52%
**72
90%
[SNPE Vectan SP 7]*
<<locked>>
85%
35578
59%
**28
90%
[SNPE Vectan SP 9]*
<<locked>>
81%
30777
51%
**36
91%
SNPE Vectan Tubal 3000
<<locked>>
81%
33083
55%
**16
97%
SNPE Vectan Tubal 5000
<<locked>>
81%
26643
44%
**75
96%
Shooters World Match Rifle
<<locked>>
81%
29211
49%
**33
95%
[Shooters World Precision]*
<<locked>>
81%
27702
46%
**54
92%
Shooters World Tactical Rifle
<<locked>>
81%
40524
67%
**93
96%
Somchem S321
<<locked>>
81%
35868
60%
**57
95%
Somchem S335
<<locked>>
81%
32329
54%
**20
98%
[Somchem S341]*
<<locked>>
81%
31372
52%
**36
91%
[Somchem S355]*
<<locked>>
85%
27789
46%
**74
90%
Vihtavuori N120
<<locked>>
81%
44541
74%
**80
100%
Vihtavuori N130
<<locked>>
81%
37347
62%
**08
100%
Vihtavuori N133
<<locked>>
81%
30864
51%
**87
99%
Vihtavuori N135
<<locked>>
81%
23496
39%
**52
95%
Vihtavuori N140
<<locked>>
81%
28950
48%
**80
96%
[Vihtavuori N150]*
<<locked>>
87%
25063
42%
**82
90%
Vihtavuori N530
<<locked>>
81%
35563
59%
**38
95%
Vihtavuori N540
<<locked>>
81%
28471
47%
**87
95%
[Winchester 6.5 StaBALL]*
<<locked>>
92%
31067
52%
**06
90%
Winchester 748
<<locked>>
81%
34867
58%
**74
96%
Winchester StaBALL Match
<<locked>>
81%
37159
62%
**03
95%

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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