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Load data for .300 HAM'R + .308 | 140gr | Osprey Virtus

Recommended Powder(s): Accurate 5744, IMR 4227, Lovex D060, ReloadSwiss RS 36, Shooters World Buffalo Rifle

.300 HAM'R + .308 | 140gr | Osprey Virtus

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 140gr | Osprey Virtus
Manufacturer SKU:
Osprey-0.308-140
Bullet Weight:
140gr | 9.1g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.150" | 29.2mm
Caliber:
.300 HAM'R load data
Case Length (l3):
1.615" | 41.0mm
Cartridge Length (C.O.L.):
2.226" | 56.5mm
Seated Depth:
0.539" | 13.7mm
Shank Seated Depth:
0.397" | 10.1mm
Case Capacity:
29.6 Grains of Water | 1.92 cm³
Primer Size:
Small Rifle (SR)
Max. allowed Pressure:
60916 psi | 4200 bar
LID:
LID_B10763_C356
Last updated:
2025-02-02
Recommended Twist Rate:
1:12 - 1:11

Load data for 48 loads in caliber .300 HAM'R with .308 | 140gr | Osprey Virtus bullet and 24 powders such as Accurate 5744, IMR 4227, Lovex D060, ReloadSwiss RS 36, Shooters World Buffalo Rifle. 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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    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.

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 2205
<<locked>>
92%
54041
89%
**24
100%
ADI AR 2207
<<locked>>
97%
38667
63%
**14
100%
Accurate 1680
<<locked>>
96%
53359
88%
**33
98%
Accurate 5744 👍
<<locked>>
89%
52069
85%
**10
100%
Accurate No. 11 FS
<<locked>>
88%
52286
86%
**80
100%
Alliant Reloder-10x
<<locked>>
97%
31488
52%
**13
95%
Alliant Reloder-7
<<locked>>
95%
39537
65%
**85
98%
[Baschieri & Pellagri 106]*
<<locked>>
97%
37579
62%
**13
93%
[Hodgdon H4198]*
<<locked>>
96%
39711
65%
**29
93%
Hodgdon LilGun
<<locked>>
84%
53432
88%
**03
100%
IMR 4198
<<locked>>
96%
35360
58%
**13
97%
IMR 4227 👍
<<locked>>
96%
49864
82%
**64
100%
Lovex D060 👍
<<locked>>
91%
53635
88%
**26
100%
Lovex D063
<<locked>>
88%
53766
88%
**13
100%
Lovex S040
<<locked>>
85%
53983
89%
**01
100%
Lovex S053
<<locked>>
96%
47239
78%
**28
100%
Norma 200
<<locked>>
97%
35099
58%
**75
97%
ReloadSwiss RS 36 👍
<<locked>>
97%
48356
79%
**90
100%
SNPE Vectan BA6 1/2
<<locked>>
96%
43366
71%
**70
100%
Shooters World Blackout
<<locked>>
88%
53766
88%
**13
100%
Shooters World Buffalo Rifle 👍
<<locked>>
91%
53635
88%
**26
100%
Vihtavuori N110
<<locked>>
95%
54389
89%
**44
100%
Vihtavuori N120
<<locked>>
96%
34925
57%
**23
100%
[Vihtavuori N130]*
<<locked>>
97%
30632
50%
**37
94%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2205
<<locked>>
81%
39059
64%
**54
100%
ADI AR 2207
<<locked>>
81%
23554
39%
**26
96%
[Accurate 1680]*
<<locked>>
81%
32503
53%
**41
92%
Accurate 5744
<<locked>>
81%
42322
69%
**75
98%
Accurate No. 11 FS
<<locked>>
81%
42264
69%
**62
100%
[Alliant Reloder-10x]*
<<locked>>
86%
22553
37%
**13
90%
[Alliant Reloder-7]*
<<locked>>
81%
25570
42%
**32
93%
[Baschieri & Pellagri 106]*
<<locked>>
90%
31024
51%
**98
90%
[Hodgdon H4198]*
<<locked>>
90%
34011
56%
**34
91%
Hodgdon LilGun
<<locked>>
81%
47993
79%
**47
100%
[IMR 4198]*
<<locked>>
81%
23206
38%
**54
91%
IMR 4227
<<locked>>
81%
31778
52%
**08
98%
Lovex D060
<<locked>>
81%
38899
64%
**26
98%
Lovex D063
<<locked>>
81%
43308
71%
**85
99%
Lovex S040
<<locked>>
81%
48269
79%
**42
100%
Lovex S053
<<locked>>
81%
30458
50%
**91
100%
[Norma 200]*
<<locked>>
81%
21234
35%
**86
91%
ReloadSwiss RS 36
<<locked>>
81%
29660
49%
**11
97%
SNPE Vectan BA6 1/2
<<locked>>
82%
29167
48%
**83
100%
Shooters World Blackout
<<locked>>
81%
43308
71%
**85
99%
Shooters World Buffalo Rifle
<<locked>>
81%
38899
64%
**26
98%
Vihtavuori N110
<<locked>>
81%
35882
59%
**34
100%
Vihtavuori N120
<<locked>>
81%
22510
37%
**73
97%
[Vihtavuori N130]*
<<locked>>
88%
23380
38%
**83
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.

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