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Load data for .300 Rem. Ultra Mag + .308 | 180gr | Speer TBBC

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Recommended Powder(s):

.300 Rem. Ultra Mag + .308 | 180gr | Speer TBBC

Load Specifications

Bullet:
.308 | 180gr | Speer TBBC
Manufacturer SKU:
1765
Bullet Weight:
180gr | 11.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.267" | 32.2mm
Caliber:
.300 Rem. Ultra Mag
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.544" | 90.0mm
Seated Depth:
0.573" | 14.6mm
Shank Seated Depth:
0.573" | 14.6mm
Case Capacity:
112.5 Grains of Water | 7.30 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
64977 psi | 4480 bar
LID:
LID_B6172_C374

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 106 loads in caliber .300 Rem. Ultra Mag with .308 | 180gr | Speer TBBC bullet and 53 powder(s). 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".

    • A load must fulfill certain criteria to be listed in the default view below - see here.

    • Our load data might deviate from other sources - see the most common reasons here

    • All loads are based on the bullet and case dimensions shown under "Load Specifications" - see here what to do if you deviate.

    • You can set your specifications in the "Personalized Load Calculator".

    • Go to the bottom of the "My Account " page to set the measure system (imperial vs. metric) 

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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 2209
<<locked>>
88%
58117
89%
**10
100%
ADI AR 2213 👍
<<locked>>
91%
58073
89%
**33
100%
ADI AR 2217
<<locked>>
97%
53505
82%
**67
99%
[ADI AR 2218]*
<<locked>>
97%
46093
71%
**99
94%
ADI AR 2225
<<locked>>
97%
48196
74%
**22
100%
Accurate 3100
<<locked>>
91%
58421
90%
**41
100%
Accurate MAGPRO 👍
<<locked>>
91%
58247
90%
**46
99%
Alliant Reloder-16
<<locked>>
84%
58102
89%
**97
100%
Alliant Reloder-19
<<locked>>
88%
57957
89%
**00
100%
Alliant Reloder-22 👍
<<locked>>
91%
58407
90%
**30
100%
Alliant Reloder-23
<<locked>>
92%
58160
90%
**67
100%
Alliant Reloder-25
<<locked>>
95%
57856
89%
**33
100%
Alliant Reloder-26
<<locked>>
87%
58276
90%
**43
100%
Alliant Reloder-33
<<locked>>
97%
50908
78%
**74
96%
[Alliant Reloder-50]*
<<locked>>
97%
43163
66%
**17
93%
Hodgdon H1000
<<locked>>
97%
53505
82%
**67
99%
Hodgdon H4350
<<locked>>
86%
58407
90%
**48
100%
Hodgdon H4831
<<locked>>
93%
58160
90%
**87
99%
Hodgdon H4831 SC
<<locked>>
90%
58160
90%
**87
99%
Hodgdon Hybrid 100V
<<locked>>
86%
58450
90%
**18
100%
Hodgdon Retumbo
<<locked>>
97%
48196
74%
**22
100%
Hodgdon TrailBoss
<<locked>>
97%
35940
55%
**24
100%
IMR 4350
<<locked>>
84%
58146
89%
**48
100%
IMR 4831
<<locked>>
87%
58131
89%
**44
100%
IMR 4955 Enduron
<<locked>>
90%
57798
89%
**58
99%
IMR 7828 SSC
<<locked>>
89%
57957
89%
**40
100%
[IMR 7977 Enduron]*
<<locked>>
95%
58044
89%
**12
94%
IMR 8133 Enduron
<<locked>>
97%
44367
68%
**40
98%
[Lovex D100]*
<<locked>>
97%
53447
82%
**66
92%
Lovex S071
<<locked>>
96%
58233
90%
**41
100%
Norma 204
<<locked>>
84%
57783
89%
**84
100%
Norma 217
<<locked>>
97%
44643
69%
**59
100%
Norma MRP
<<locked>>
88%
58059
89%
**43
100%
Norma URP
<<locked>>
83%
58305
90%
**64
100%
Ramshot Hunter
<<locked>>
84%
58291
90%
**84
100%
Ramshot Magnum
<<locked>>
91%
58421
90%
**04
100%
ReloadSwiss RS 14
<<locked>>
96%
36666
56%
**64
100%
ReloadSwiss RS 76 👍
<<locked>>
95%
58378
90%
**05
100%
ReloadSwiss RS 80
<<locked>>
97%
56449
87%
**49
99%
Rottweil R 904
<<locked>>
87%
58059
89%
**64
100%
Rottweil R 905
<<locked>>
88%
57740
89%
**90
100%
Somchem S361
<<locked>>
87%
58349
90%
**35
99%
Somchem S365
<<locked>>
84%
57928
89%
**48
100%
Somchem S385
<<locked>>
88%
58320
90%
**61
100%
Vihtavuori N150
<<locked>>
84%
58102
89%
**66
100%
Vihtavuori N165
<<locked>>
93%
58218
90%
**41
100%
[Vihtavuori N170]*
<<locked>>
97%
50009
77%
**36
94%
Vihtavuori N555
<<locked>>
88%
58218
90%
**74
100%
Vihtavuori N560 👍
<<locked>>
90%
57812
89%
**53
99%
Vihtavuori N565
<<locked>>
94%
58088
89%
**27
100%
Vihtavuori N568
<<locked>>
97%
57174
88%
**53
99%
Vihtavuori N570
<<locked>>
97%
54810
84%
**53
97%
Winchester StaBALL HD
<<locked>>
91%
57798
89%
**56
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
46586
72%
**17
99%
ADI AR 2213
<<locked>>
81%
41684
64%
**51
97%
[ADI AR 2217]*
<<locked>>
81%
31111
48%
**92
92%
[ADI AR 2218]*
<<locked>>
91%
38261
59%
**12
90%
[ADI AR 2225]*
<<locked>>
81%
28369
44%
**52
94%
Accurate 3100
<<locked>>
81%
42351
65%
**92
100%
Accurate MAGPRO
<<locked>>
81%
41539
64%
**48
95%
Alliant Reloder-16
<<locked>>
81%
53055
82%
**25
100%
Alliant Reloder-19
<<locked>>
81%
46195
71%
**13
99%
Alliant Reloder-22
<<locked>>
81%
42351
65%
**67
98%
Alliant Reloder-23
<<locked>>
81%
41002
63%
**12
100%
Alliant Reloder-25
<<locked>>
81%
35462
55%
**43
99%
Alliant Reloder-26
<<locked>>
81%
46209
71%
**72
100%
[Alliant Reloder-33]*
<<locked>>
87%
35752
55%
**56
90%
[Alliant Reloder-50]*
<<locked>>
93%
36651
56%
**75
90%
[Hodgdon H1000]*
<<locked>>
81%
31111
48%
**92
92%
Hodgdon H4350
<<locked>>
81%
49792
77%
**20
100%
Hodgdon H4831
<<locked>>
81%
39001
60%
**49
95%
Hodgdon H4831 SC
<<locked>>
81%
43613
67%
**38
96%
Hodgdon Hybrid 100V
<<locked>>
81%
50053
77%
**07
100%
[Hodgdon Retumbo]*
<<locked>>
81%
28369
44%
**52
94%
Hodgdon TrailBoss
<<locked>>
81%
28660
44%
**73
100%
IMR 4350
<<locked>>
81%
52243
80%
**62
100%
IMR 4831
<<locked>>
81%
47630
73%
**94
100%
IMR 4955 Enduron
<<locked>>
81%
43091
66%
**02
97%
IMR 7828 SSC
<<locked>>
81%
43120
66%
**00
97%
[IMR 7977 Enduron]*
<<locked>>
87%
44672
69%
**85
90%
[IMR 8133 Enduron]*
<<locked>>
83%
28050
43%
**43
90%
[Lovex D100]*
<<locked>>
94%
48385
74%
**80
90%
Lovex S071
<<locked>>
81%
36289
56%
**74
99%
Norma 204
<<locked>>
81%
53142
82%
**15
100%
[Norma 217]*
<<locked>>
81%
25875
40%
**00
91%
Norma MRP
<<locked>>
81%
44904
69%
**33
99%
Norma URP
<<locked>>
81%
54070
83%
**12
100%
Ramshot Hunter
<<locked>>
81%
52982
82%
**15
100%
Ramshot Magnum
<<locked>>
81%
39929
61%
**05
98%
ReloadSwiss RS 14
<<locked>>
81%
29370
45%
**09
100%
ReloadSwiss RS 76
<<locked>>
81%
33852
52%
**39
97%
[ReloadSwiss RS 80]*
<<locked>>
81%
31125
48%
**41
90%
Rottweil R 904
<<locked>>
81%
47326
73%
**90
98%
Rottweil R 905
<<locked>>
81%
45832
71%
**97
99%
Somchem S361
<<locked>>
81%
48501
75%
**74
98%
Somchem S365
<<locked>>
81%
51735
80%
**59
100%
Somchem S385
<<locked>>
81%
46485
72%
**84
99%
Vihtavuori N150
<<locked>>
81%
53388
82%
**07
100%
Vihtavuori N165
<<locked>>
81%
39276
60%
**30
98%
[Vihtavuori N170]*
<<locked>>
90%
39523
61%
**36
90%
Vihtavuori N555
<<locked>>
81%
45687
70%
**94
100%
Vihtavuori N560
<<locked>>
81%
42322
65%
**84
96%
Vihtavuori N565
<<locked>>
81%
37101
57%
**43
95%
[Vihtavuori N568]*
<<locked>>
81%
31995
49%
**54
90%
[Vihtavuori N570]*
<<locked>>
86%
37101
57%
**95
90%
Winchester StaBALL HD
<<locked>>
81%
38348
59%
**61
100%

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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