top of page

Load data for .300 Rem. SA Ultra Mag + .308 | 150gr | Osprey Virtus

Recommended Powder(s): Alliant Reloder-15, IMR 4895, Ramshot Big Game, ReloadSwiss RS 52, SNPE Vectan SP 11

.300 Rem. SA Ultra Mag + .308 | 150gr | Osprey Virtus

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 150gr | Osprey Virtus
Manufacturer SKU:
Osprey-0.308-150
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.200" | 30.5mm
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:
0.420" | 10.7mm
Shank Seated Depth:
0.279" | 7.1mm
Case Capacity:
74.0 Grains of Water | 4.80 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
64107 psi | 4420 bar
LID:
LID_B10765_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 | 150gr | Osprey Virtus bullet and 97 powders such as Alliant Reloder-15, IMR 4895, Ramshot Big Game, ReloadSwiss RS 52, SNPE Vectan SP 11. 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".

  • No data yet

  • 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.

    .

    Loading_icon.gif

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>>
91%
56956
89%
**22
100%
ADI AR 2208
<<locked>>
96%
57435
90%
**12
99%
Accurate 2015
<<locked>>
87%
56666
88%
**07
100%
Accurate 2200
<<locked>>
89%
57493
90%
**89
99%
Accurate 2230
<<locked>>
85%
57334
89%
**72
100%
Accurate 2460
<<locked>>
85%
57319
89%
**76
100%
Accurate 2495
<<locked>>
90%
57566
90%
**99
100%
Accurate 2520
<<locked>>
89%
57624
90%
**15
100%
Accurate 2700
<<locked>>
96%
57174
89%
**36
96%
Accurate 4064
<<locked>>
96%
57479
90%
**15
100%
Accurate 4350
<<locked>>
97%
44454
69%
**71
97%
Alliant AR-Comp
<<locked>>
89%
57159
89%
**63
100%
Alliant Reloder- TS 15.5
<<locked>>
96%
57348
89%
**31
100%
Alliant Reloder-10x
<<locked>>
84%
56739
88%
**23
100%
Alliant Reloder-15 👍
<<locked>>
94%
57609
90%
**51
100%
Alliant Reloder-16
<<locked>>
97%
44295
69%
**87
97%
Alliant Reloder-17
<<locked>>
97%
51706
81%
**51
100%
[Alliant Reloder-23]*
<<locked>>
97%
31357
49%
**82
94%
Baschieri & Pellagri 107
<<locked>>
90%
56869
89%
**38
99%
Hodgdon BL-C2
<<locked>>
89%
56811
89%
**38
100%
Hodgdon Benchmark
<<locked>>
88%
57450
90%
**53
100%
Hodgdon CFE223
<<locked>>
94%
57696
90%
**91
99%
Hodgdon H322
<<locked>>
87%
57406
90%
**82
100%
Hodgdon H380
<<locked>>
95%
57116
89%
**28
99%
Hodgdon H414
<<locked>>
97%
53635
84%
**28
96%
[Hodgdon H4350]*
<<locked>>
97%
43366
68%
**72
92%
Hodgdon Hybrid 100V
<<locked>>
97%
40654
63%
**62
98%
Hodgdon LVR
<<locked>>
97%
48834
76%
**40
97%
Hodgdon Superperformance
<<locked>>
97%
49559
77%
**72
95%
Hodgdon VARGET
<<locked>>
96%
56826
89%
**95
99%
Hodgdon TrailBoss
<<locked>>
96%
32924
51%
**81
100%
IMR 3031
<<locked>>
94%
57580
90%
**31
100%
IMR 4064
<<locked>>
97%
57043
89%
**95
100%
IMR 4166 Enduron
<<locked>>
97%
56898
89%
**66
97%
IMR 4198
<<locked>>
84%
57537
90%
**87
100%
[IMR 4350]*
<<locked>>
97%
45455
71%
**15
93%
IMR 4451 Enduron
<<locked>>
97%
54099
84%
**43
96%
IMR 4831
<<locked>>
97%
38218
60%
**26
95%
IMR 4895 👍
<<locked>>
93%
57217
89%
**54
100%
IMR 8208 XBR
<<locked>>
89%
56927
89%
**89
100%
Lovex D073.4
<<locked>>
84%
57363
89%
**69
100%
Lovex D073.5
<<locked>>
85%
57624
90%
**86
100%
Lovex D073.6
<<locked>>
91%
57624
90%
**15
100%
Lovex S060
<<locked>>
91%
57232
89%
**59
100%
Lovex S062
<<locked>>
95%
57392
90%
**05
100%
Lovex S065
<<locked>>
97%
49879
78%
**87
97%
Lovex S070
<<locked>>
97%
47224
74%
**51
95%
Norma 201
<<locked>>
92%
57638
90%
**95
100%
Norma 202
<<locked>>
91%
57363
89%
**95
100%
Norma 203B
<<locked>>
95%
57508
90%
**45
100%
[Norma 204]*
<<locked>>
97%
45948
72%
**54
92%
Norma URP
<<locked>>
97%
44962
70%
**81
97%
Ramshot Big Game 👍
<<locked>>
94%
56985
89%
**58
100%
Ramshot Hunter
<<locked>>
97%
43976
69%
**51
95%
Ramshot TAC
<<locked>>
89%
57551
90%
**99
98%
Ramshot Wild Boar
<<locked>>
89%
56840
89%
**22
100%
Ramshot X-Terminator
<<locked>>
86%
56753
89%
**66
100%
ReloadSwiss RS 14
<<locked>>
97%
33750
53%
**34
100%
ReloadSwiss RS 40
<<locked>>
85%
57232
89%
**86
100%
ReloadSwiss RS 50
<<locked>>
95%
57363
89%
**02
97%
ReloadSwiss RS 52 👍
<<locked>>
95%
57479
90%
**74
100%
ReloadSwiss RS 60
<<locked>>
97%
50067
78%
**38
100%
ReloadSwiss RS 62
<<locked>>
97%
44411
69%
**94
97%
ReloadSwiss RS 70
<<locked>>
97%
45179
70%
**13
96%
Rottweil R 901
<<locked>>
89%
56753
89%
**59
100%
Rottweil R 902
<<locked>>
94%
57638
90%
**89
100%
Rottweil R 903
<<locked>>
97%
54578
85%
**99
100%
Rottweil R 907
<<locked>>
97%
52228
81%
**13
95%
SNPE Vectan SP 11 👍
<<locked>>
97%
56608
88%
**64
100%
SNPE Vectan SP 7
<<locked>>
90%
57638
90%
**05
99%
SNPE Vectan SP 9
<<locked>>
91%
56913
89%
**12
100%
SNPE Vectan Tubal 3000
<<locked>>
90%
56985
89%
**00
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
57493
90%
**07
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
49806
78%
**31
95%
Shooters World Long Rifle
<<locked>>
97%
49879
78%
**87
97%
Shooters World Match Rifle
<<locked>>
91%
57624
90%
**15
100%
Shooters World Precision
<<locked>>
95%
57392
90%
**05
100%
Shooters World Tactical Rifle
<<locked>>
83%
56985
89%
**53
100%
Somchem S321
<<locked>>
86%
56927
89%
**99
100%
Somchem S335
<<locked>>
91%
56840
89%
**07
100%
Somchem S341
<<locked>>
90%
57174
89%
**99
100%
Somchem S355
<<locked>>
97%
55187
86%
**99
100%
Somchem S365
<<locked>>
97%
39581
62%
**15
99%
Vihtavuori N130
<<locked>>
87%
57479
90%
**81
100%
Vihtavuori N133
<<locked>>
93%
57653
90%
**00
100%
Vihtavuori N135
<<locked>>
97%
52025
81%
**87
100%
Vihtavuori N140
<<locked>>
93%
57188
89%
**56
100%
Vihtavuori N150
<<locked>>
97%
46079
72%
**08
100%
Vihtavuori N160
<<locked>>
97%
49835
78%
**23
98%
Vihtavuori N530
<<locked>>
87%
56695
88%
**95
100%
Vihtavuori N540
<<locked>>
94%
57392
90%
**92
100%
Vihtavuori N550
<<locked>>
97%
49850
78%
**63
98%
[Vihtavuori N555]*
<<locked>>
97%
33257
52%
**71
94%
Winchester 6.5 StaBALL
<<locked>>
97%
47747
74%
**54
99%
Winchester 748
<<locked>>
87%
57508
90%
**38
100%
Winchester 760
<<locked>>
97%
53635
84%
**28
96%
Winchester StaBALL Match
<<locked>>
85%
57188
89%
**28
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
41814
65%
**53
98%
ADI AR 2208
<<locked>>
81%
35578
56%
**89
95%
Accurate 2015
<<locked>>
81%
47311
74%
**76
100%
Accurate 2200
<<locked>>
81%
44106
69%
**56
97%
Accurate 2230
<<locked>>
81%
50111
78%
**61
99%
Accurate 2460
<<locked>>
81%
50125
78%
**71
100%
Accurate 2495
<<locked>>
81%
41872
65%
**49
100%
Accurate 2520
<<locked>>
81%
43250
67%
**89
100%
[Accurate 2700]*
<<locked>>
84%
37942
59%
**79
90%
Accurate 4064
<<locked>>
81%
35215
55%
**18
99%
[Accurate 4350]*
<<locked>>
84%
28108
44%
**80
90%
Alliant AR-Comp
<<locked>>
81%
43613
68%
**69
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
34693
54%
**08
97%
Alliant Reloder-10x
<<locked>>
81%
51459
80%
**48
100%
Alliant Reloder-15
<<locked>>
81%
37362
58%
**77
96%
[Alliant Reloder-16]*
<<locked>>
84%
29515
46%
**03
90%
[Alliant Reloder-17]*
<<locked>>
81%
30052
47%
**52
93%
[Alliant Reloder-23]*
<<locked>>
91%
26382
41%
**25
90%
Baschieri & Pellagri 107
<<locked>>
81%
41046
64%
**56
96%
Hodgdon BL-C2
<<locked>>
81%
42859
67%
**02
99%
Hodgdon Benchmark
<<locked>>
81%
45977
72%
**62
100%
[Hodgdon CFE223]*
<<locked>>
81%
35752
56%
**67
94%
Hodgdon H322
<<locked>>
81%
46862
73%
**22
100%
[Hodgdon H380]*
<<locked>>
81%
35114
55%
**08
93%
[Hodgdon H414]*
<<locked>>
85%
35375
55%
**54
90%
[Hodgdon H4350]*
<<locked>>
92%
37550
59%
**41
90%
[Hodgdon Hybrid 100V]*
<<locked>>
82%
25005
39%
**39
90%
[Hodgdon LVR]*
<<locked>>
82%
30501
48%
**16
90%
[Hodgdon Superperformance]*
<<locked>>
90%
38638
60%
**33
90%
Hodgdon VARGET
<<locked>>
81%
35259
55%
**82
95%
Hodgdon TrailBoss
<<locked>>
82%
26847
42%
**47
100%
IMR 3031
<<locked>>
81%
37739
59%
**97
100%
IMR 4064
<<locked>>
81%
34519
54%
**62
95%
[IMR 4166 Enduron]*
<<locked>>
82%
35708
56%
**49
90%
IMR 4198
<<locked>>
81%
51866
81%
**08
100%
[IMR 4350]*
<<locked>>
91%
37478
58%
**38
90%
[IMR 4451 Enduron]*
<<locked>>
83%
35607
56%
**72
90%
[IMR 4831]*
<<locked>>
87%
28036
44%
**54
90%
IMR 4895
<<locked>>
81%
38319
60%
**07
97%
IMR 8208 XBR
<<locked>>
81%
43918
69%
**66
99%
Lovex D073.4
<<locked>>
81%
51866
81%
**87
100%
Lovex D073.5
<<locked>>
81%
49821
78%
**61
100%
Lovex D073.6
<<locked>>
81%
40379
63%
**33
100%
Lovex S060
<<locked>>
81%
42221
66%
**90
98%
Lovex S062
<<locked>>
81%
36782
57%
**31
98%
[Lovex S065]*
<<locked>>
82%
31009
48%
**74
90%
[Lovex S070]*
<<locked>>
87%
34534
54%
**82
90%
Norma 201
<<locked>>
81%
40785
64%
**03
99%
Norma 202
<<locked>>
81%
41060
64%
**23
100%
Norma 203B
<<locked>>
81%
36753
57%
**64
96%
[Norma 204]*
<<locked>>
94%
42221
66%
**72
90%
[Norma URP]*
<<locked>>
83%
28514
44%
**74
90%
Ramshot Big Game
<<locked>>
81%
36347
57%
**67
96%
[Ramshot Hunter]*
<<locked>>
88%
33460
52%
**05
90%
Ramshot TAC
<<locked>>
81%
43961
69%
**66
96%
Ramshot Wild Boar
<<locked>>
81%
43120
67%
**85
98%
Ramshot X-Terminator
<<locked>>
81%
47906
75%
**22
99%
ReloadSwiss RS 14
<<locked>>
81%
26397
41%
**70
100%
ReloadSwiss RS 40
<<locked>>
81%
49342
77%
**58
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
35839
56%
**92
91%
ReloadSwiss RS 52
<<locked>>
81%
35549
55%
**74
98%
[ReloadSwiss RS 60]*
<<locked>>
81%
29196
46%
**23
93%
[ReloadSwiss RS 62]*
<<locked>>
85%
29283
46%
**20
90%
[ReloadSwiss RS 70]*
<<locked>>
87%
32576
51%
**98
90%
Rottweil R 901
<<locked>>
81%
44541
69%
**62
100%
Rottweil R 902
<<locked>>
81%
38827
61%
**54
98%
Rottweil R 903
<<locked>>
81%
31937
50%
**49
95%
[Rottweil R 907]*
<<locked>>
86%
36970
58%
**05
90%
SNPE Vectan SP 11
<<locked>>
81%
33359
52%
**98
95%
SNPE Vectan SP 7
<<locked>>
81%
41989
65%
**33
96%
SNPE Vectan SP 9
<<locked>>
81%
40466
63%
**20
97%
SNPE Vectan Tubal 3000
<<locked>>
81%
42786
67%
**77
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
35099
55%
**30
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
86%
34418
54%
**26
90%
[Shooters World Long Rifle]*
<<locked>>
82%
31009
48%
**74
90%
Shooters World Match Rifle
<<locked>>
81%
40379
63%
**33
100%
Shooters World Precision
<<locked>>
81%
36782
57%
**31
98%
Shooters World Tactical Rifle
<<locked>>
81%
52460
82%
**87
100%
Somchem S321
<<locked>>
81%
47732
74%
**54
100%
Somchem S335
<<locked>>
81%
41930
65%
**74
100%
Somchem S341
<<locked>>
81%
41901
65%
**40
98%
Somchem S355
<<locked>>
81%
33011
51%
**52
95%
[Somchem S365]*
<<locked>>
81%
23511
37%
**39
91%
Vihtavuori N130
<<locked>>
81%
47166
74%
**30
100%
Vihtavuori N133
<<locked>>
81%
39943
62%
**18
100%
Vihtavuori N135
<<locked>>
81%
31850
50%
**13
100%
Vihtavuori N140
<<locked>>
81%
38421
60%
**44
100%
Vihtavuori N150
<<locked>>
81%
27920
44%
**05
95%
[Vihtavuori N160]*
<<locked>>
81%
29008
45%
**51
90%
Vihtavuori N530
<<locked>>
81%
46354
72%
**28
99%
Vihtavuori N540
<<locked>>
81%
38145
59%
**57
99%
[Vihtavuori N550]*
<<locked>>
81%
29153
45%
**93
90%
[Vihtavuori N555]*
<<locked>>
91%
27180
42%
**84
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
28166
44%
**05
93%
Winchester 748
<<locked>>
81%
47195
74%
**81
100%
[Winchester 760]*
<<locked>>
85%
35375
55%
**54
90%
Winchester StaBALL Match
<<locked>>
81%
50183
78%
**20
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

bottom of page