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Load data for .300 Rem. SA Ultra Mag + .308 | 140gr | Merlin Virtus

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

.300 Rem. SA Ultra 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 Rem. SA Ultra Mag load data
Case Length (l3):
2.003" | 50.9mm
Cartridge Length (C.O.L.):
2.783" | 70.7mm
Seated Depth:
0.370" | 9.4mm
Shank Seated Depth:
0.225" | 5.7mm
Case Capacity:
74.0 Grains of Water | 4.80 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
64107 psi | 4420 bar
LID:
LID_B10762_C373
Last updated:
2025-01-01
Recommended Twist Rate:
1:13 - 1:11

Load data for 194 loads in caliber .300 Rem. SA Ultra Mag 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%
57348
89%
**23
99%
ADI AR 2208
<<locked>>
97%
56405
88%
**87
99%
Accurate 2015
<<locked>>
88%
57595
90%
**28
100%
Accurate 2200
<<locked>>
90%
57276
89%
**84
98%
Accurate 2230
<<locked>>
86%
56855
89%
**68
100%
Accurate 2460
<<locked>>
86%
56652
88%
**71
100%
Accurate 2495
<<locked>>
91%
56840
89%
**94
100%
Accurate 2520
<<locked>>
90%
57000
89%
**14
100%
Accurate 2700
<<locked>>
97%
55448
87%
**92
95%
Accurate 4064
<<locked>>
97%
56768
89%
**04
100%
Accurate 4350
<<locked>>
97%
42685
67%
**33
96%
Alliant AR-Comp
<<locked>>
90%
56971
89%
**71
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
55709
87%
**14
100%
Alliant Reloder-10x
<<locked>>
86%
57334
89%
**35
100%
Alliant Reloder-15
<<locked>>
95%
56681
88%
**36
99%
Alliant Reloder-16
<<locked>>
97%
42801
67%
**40
96%
Alliant Reloder-17
<<locked>>
97%
49182
77%
**00
99%
Baschieri & Pellagri 106
<<locked>>
84%
57145
89%
**72
100%
Baschieri & Pellagri 107 👍
<<locked>>
92%
57174
89%
**40
99%
Hodgdon BL-C2 👍
<<locked>>
90%
57290
89%
**46
100%
Hodgdon Benchmark
<<locked>>
89%
57246
89%
**45
100%
Hodgdon CFE223
<<locked>>
96%
57653
90%
**82
99%
Hodgdon H322
<<locked>>
88%
56724
88%
**77
100%
Hodgdon H335
<<locked>>
83%
57159
89%
**91
100%
Hodgdon H380
<<locked>>
97%
57377
90%
**33
98%
Hodgdon H414
<<locked>>
97%
50778
79%
**68
95%
Hodgdon Hybrid 100V
<<locked>>
97%
39160
61%
**18
97%
Hodgdon LVR
<<locked>>
97%
47369
74%
**99
96%
[Hodgdon Superperformance]*
<<locked>>
97%
47036
73%
**99
93%
Hodgdon VARGET
<<locked>>
97%
55985
87%
**84
99%
Hodgdon TrailBoss
<<locked>>
96%
32721
51%
**47
100%
IMR 3031
<<locked>>
95%
57000
89%
**27
100%
IMR 4064
<<locked>>
97%
54911
86%
**54
99%
IMR 4166 Enduron
<<locked>>
97%
54360
85%
**15
96%
IMR 4198
<<locked>>
85%
57377
90%
**95
100%
[IMR 4350]*
<<locked>>
97%
44222
69%
**74
92%
IMR 4451 Enduron
<<locked>>
97%
52011
81%
**02
95%
[IMR 4831]*
<<locked>>
97%
36013
56%
**56
94%
IMR 4895 👍
<<locked>>
94%
57406
90%
**63
100%
IMR 8208 XBR
<<locked>>
90%
56666
88%
**81
100%
Lovex D073.4
<<locked>>
85%
56985
89%
**58
100%
Lovex D073.5
<<locked>>
86%
57130
89%
**74
100%
Lovex D073.6
<<locked>>
92%
57000
89%
**14
100%
Lovex S060
<<locked>>
92%
57116
89%
**48
99%
Lovex S062
<<locked>>
96%
56971
89%
**94
100%
Lovex S065
<<locked>>
97%
47964
75%
**36
96%
[Lovex S070]*
<<locked>>
96%
44875
70%
**00
93%
Norma 201
<<locked>>
93%
57101
89%
**94
100%
Norma 202
<<locked>>
92%
56898
89%
**84
100%
Norma 203B 👍
<<locked>>
95%
56884
89%
**36
99%
Norma URP
<<locked>>
96%
42453
66%
**10
96%
Ramshot Big Game
<<locked>>
95%
56869
89%
**53
99%
[Ramshot Hunter]*
<<locked>>
97%
42250
66%
**07
93%
Ramshot TAC
<<locked>>
90%
57029
89%
**84
98%
Ramshot Wild Boar
<<locked>>
90%
57116
89%
**27
99%
Ramshot X-Terminator
<<locked>>
88%
57392
90%
**77
99%
ReloadSwiss RS 14
<<locked>>
97%
33489
52%
**00
100%
ReloadSwiss RS 40
<<locked>>
86%
56927
89%
**77
100%
ReloadSwiss RS 50
<<locked>>
96%
56666
88%
**91
97%
ReloadSwiss RS 52 👍
<<locked>>
96%
57029
89%
**76
100%
ReloadSwiss RS 60
<<locked>>
97%
47819
75%
**87
99%
ReloadSwiss RS 62
<<locked>>
97%
42134
66%
**33
95%
ReloadSwiss RS 70
<<locked>>
97%
43584
68%
**63
95%
Rottweil R 901
<<locked>>
91%
57435
90%
**68
100%
Rottweil R 902
<<locked>>
94%
56768
89%
**74
100%
Rottweil R 903
<<locked>>
96%
51561
80%
**45
99%
[Rottweil R 907]*
<<locked>>
97%
49980
78%
**56
94%
SNPE Vectan SP 11
<<locked>>
97%
54346
85%
**27
99%
SNPE Vectan SP 7
<<locked>>
91%
57043
89%
**91
98%
SNPE Vectan SP 9
<<locked>>
93%
57653
90%
**20
99%
SNPE Vectan Tubal 3000
<<locked>>
91%
57276
89%
**12
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
55724
87%
**79
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
97%
48225
75%
**90
94%
Shooters World Long Rifle
<<locked>>
97%
47964
75%
**36
96%
Shooters World Match Rifle
<<locked>>
92%
57000
89%
**14
100%
Shooters World Precision
<<locked>>
96%
56971
89%
**94
100%
Shooters World Tactical Rifle
<<locked>>
84%
56826
89%
**45
100%
Somchem S321
<<locked>>
88%
57377
89%
**10
100%
Somchem S335
<<locked>>
92%
57421
90%
**15
100%
Somchem S341
<<locked>>
91%
57334
89%
**00
99%
Somchem S355
<<locked>>
97%
52997
83%
**58
99%
Somchem S365
<<locked>>
97%
38174
60%
**64
98%
Vihtavuori N120
<<locked>>
83%
57638
90%
**23
100%
Vihtavuori N130
<<locked>>
89%
57551
90%
**86
100%
Vihtavuori N133
<<locked>>
94%
57159
89%
**95
100%
Vihtavuori N135
<<locked>>
97%
50386
79%
**63
100%
Vihtavuori N140
<<locked>>
95%
57232
89%
**58
100%
Vihtavuori N150
<<locked>>
97%
44556
69%
**77
99%
Vihtavuori N160
<<locked>>
97%
47413
74%
**72
97%
Vihtavuori N530
<<locked>>
89%
57464
90%
**07
100%
Vihtavuori N540
<<locked>>
95%
57319
89%
**91
100%
Vihtavuori N550
<<locked>>
97%
47253
74%
**09
97%
[Vihtavuori N555]*
<<locked>>
97%
31299
49%
**87
92%
Winchester 6.5 StaBALL
<<locked>>
97%
46253
72%
**17
99%
Winchester 748
<<locked>>
88%
56710
88%
**30
100%
Winchester 760
<<locked>>
97%
50778
79%
**68
95%
Winchester StaBALL Match
<<locked>>
86%
57363
89%
**33
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
40234
63%
**08
97%
[ADI AR 2208]*
<<locked>>
81%
34084
53%
**41
93%
Accurate 2015
<<locked>>
81%
45542
71%
**41
100%
Accurate 2200
<<locked>>
81%
42627
66%
**15
95%
Accurate 2230
<<locked>>
81%
48095
75%
**20
99%
Accurate 2460
<<locked>>
81%
48095
75%
**33
100%
Accurate 2495
<<locked>>
81%
40161
63%
**18
100%
Accurate 2520
<<locked>>
81%
41365
65%
**44
99%
[Accurate 2700]*
<<locked>>
87%
40190
63%
**13
90%
Accurate 4064
<<locked>>
81%
33518
52%
**71
99%
[Accurate 4350]*
<<locked>>
87%
29689
46%
**08
90%
Alliant AR-Comp
<<locked>>
81%
41466
65%
**38
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
33359
52%
**64
95%
Alliant Reloder-10x
<<locked>>
81%
49356
77%
**17
100%
[Alliant Reloder-15]*
<<locked>>
81%
35955
56%
**20
94%
[Alliant Reloder-16]*
<<locked>>
87%
31038
48%
**21
90%
[Alliant Reloder-17]*
<<locked>>
81%
28848
45%
**85
91%
Baschieri & Pellagri 106
<<locked>>
81%
52083
81%
**00
100%
Baschieri & Pellagri 107
<<locked>>
81%
39349
61%
**05
95%
Hodgdon BL-C2
<<locked>>
81%
41452
65%
**61
98%
Hodgdon Benchmark
<<locked>>
81%
44483
69%
**31
99%
[Hodgdon CFE223]*
<<locked>>
81%
34229
53%
**07
92%
Hodgdon H322
<<locked>>
81%
44889
70%
**90
100%
Hodgdon H335
<<locked>>
81%
52823
82%
**31
100%
[Hodgdon H380]*
<<locked>>
81%
33591
52%
**54
92%
[Hodgdon H414]*
<<locked>>
88%
37782
59%
**92
90%
[Hodgdon Hybrid 100V]*
<<locked>>
85%
26716
42%
**74
90%
[Hodgdon LVR]*
<<locked>>
86%
32445
51%
**48
90%
[Hodgdon Superperformance]*
<<locked>>
93%
41133
64%
**74
90%
[Hodgdon VARGET]*
<<locked>>
81%
33881
53%
**28
93%
Hodgdon TrailBoss
<<locked>>
81%
26136
41%
**96
100%
IMR 3031
<<locked>>
81%
36085
56%
**59
100%
[IMR 4064]*
<<locked>>
81%
33402
52%
**12
93%
[IMR 4166 Enduron]*
<<locked>>
85%
37782
59%
**77
90%
IMR 4198
<<locked>>
81%
50169
78%
**87
100%
[IMR 4350]*
<<locked>>
93%
39653
62%
**76
90%
[IMR 4451 Enduron]*
<<locked>>
87%
37811
59%
**10
90%
[IMR 4831]*
<<locked>>
91%
29892
47%
**89
90%
IMR 4895
<<locked>>
81%
36854
57%
**62
96%
IMR 8208 XBR
<<locked>>
81%
42424
66%
**28
98%
Lovex D073.4
<<locked>>
81%
49835
78%
**49
100%
Lovex D073.5
<<locked>>
81%
47805
75%
**30
100%
Lovex D073.6
<<locked>>
81%
38638
60%
**82
99%
Lovex S060
<<locked>>
81%
41002
64%
**56
97%
Lovex S062
<<locked>>
81%
35375
55%
**80
96%
[Lovex S065]*
<<locked>>
86%
33518
52%
**15
90%
[Lovex S070]*
<<locked>>
90%
36927
58%
**23
90%
Norma 201
<<locked>>
81%
39392
61%
**69
98%
Norma 202
<<locked>>
81%
39610
62%
**79
99%
Norma 203B
<<locked>>
81%
35230
55%
**13
95%
[Norma URP]*
<<locked>>
86%
30400
47%
**08
90%
[Ramshot Big Game]*
<<locked>>
81%
34824
54%
**20
94%
[Ramshot Hunter]*
<<locked>>
91%
35491
55%
**36
90%
[Ramshot TAC]*
<<locked>>
81%
42337
66%
**18
94%
Ramshot Wild Boar
<<locked>>
81%
41394
65%
**38
97%
Ramshot X-Terminator
<<locked>>
81%
46224
72%
**81
98%
ReloadSwiss RS 14
<<locked>>
81%
26266
41%
**36
100%
ReloadSwiss RS 40
<<locked>>
81%
47688
74%
**30
100%
[ReloadSwiss RS 50]*
<<locked>>
82%
35592
56%
**71
90%
ReloadSwiss RS 52
<<locked>>
81%
33547
52%
**10
96%
[ReloadSwiss RS 60]*
<<locked>>
81%
28050
44%
**62
91%
[ReloadSwiss RS 62]*
<<locked>>
88%
31198
49%
**54
90%
[ReloadSwiss RS 70]*
<<locked>>
90%
34766
54%
**33
90%
Rottweil R 901
<<locked>>
81%
43062
67%
**25
100%
Rottweil R 902
<<locked>>
81%
37173
58%
**03
97%
[Rottweil R 903]*
<<locked>>
81%
30255
47%
**79
94%
[Rottweil R 907]*
<<locked>>
90%
39842
62%
**49
90%
[SNPE Vectan SP 11]*
<<locked>>
81%
31647
49%
**31
93%
[SNPE Vectan SP 7]*
<<locked>>
81%
40248
63%
**82
94%
SNPE Vectan SP 9
<<locked>>
81%
38740
60%
**72
96%
SNPE Vectan Tubal 3000
<<locked>>
81%
41060
64%
**33
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
33649
52%
**79
99%
[SNPE Vectan Tubal 7000]*
<<locked>>
89%
36463
57%
**54
90%
[Shooters World Long Rifle]*
<<locked>>
86%
33518
52%
**15
90%
Shooters World Match Rifle
<<locked>>
81%
38638
60%
**82
99%
Shooters World Precision
<<locked>>
81%
35375
55%
**80
96%
Shooters World Tactical Rifle
<<locked>>
81%
50575
79%
**49
99%
Somchem S321
<<locked>>
81%
45861
72%
**13
99%
Somchem S335
<<locked>>
81%
40596
63%
**33
100%
Somchem S341
<<locked>>
81%
40161
63%
**89
96%
[Somchem S355]*
<<locked>>
81%
31546
49%
**02
94%
[Somchem S365]*
<<locked>>
83%
24540
38%
**44
90%
Vihtavuori N120
<<locked>>
81%
53954
84%
**71
100%
Vihtavuori N130
<<locked>>
81%
45861
72%
**12
100%
Vihtavuori N133
<<locked>>
81%
38435
60%
**80
100%
Vihtavuori N135
<<locked>>
81%
30487
48%
**62
99%
Vihtavuori N140
<<locked>>
81%
36593
57%
**00
99%
[Vihtavuori N150]*
<<locked>>
81%
26687
42%
**44
93%
[Vihtavuori N160]*
<<locked>>
84%
30806
48%
**79
90%
Vihtavuori N530
<<locked>>
81%
44730
70%
**87
99%
Vihtavuori N540
<<locked>>
81%
36376
57%
**13
99%
[Vihtavuori N550]*
<<locked>>
83%
30269
47%
**08
90%
[Vihtavuori N555]*
<<locked>>
94%
28790
45%
**08
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
27079
42%
**38
90%
Winchester 748
<<locked>>
81%
45179
70%
**36
99%
[Winchester 760]*
<<locked>>
88%
37782
59%
**92
90%
Winchester StaBALL Match
<<locked>>
81%
47950
75%
**72
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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