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Load data for .300 Rem. Ultra Mag + .308 | 120gr | Barnes TAC-TX BT

Recommended Powder(s):

.300 Rem. Ultra Mag + .308 | 120gr | Barnes TAC-TX BT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 120gr | Barnes TAC-TX BT
Manufacturer SKU:
30320
Bullet Weight:
120gr | 7.8g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
<<locked>>
Caliber:
.300 Rem. Ultra Mag load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
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_B593_C374
Last updated:
2025-01-01
Recommended Twist Rate:
1:14 - 1:11

Load data for 0 loads in caliber .300 Rem. Ultra Mag with .308 | 120gr | Barnes TAC-TX BT bullet and 0 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".

  • 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.

    .

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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 2208
<<locked>>
85%
58262
90%
**10
100%
ADI AR 2209
<<locked>>
95%
57812
89%
**56
98%
ADI AR 2213
<<locked>>
97%
54897
84%
**20
96%
Accurate 2700
<<locked>>
86%
58204
90%
**32
99%
Accurate 3100
<<locked>>
97%
54447
84%
**25
99%
Accurate 4064
<<locked>>
84%
58450
90%
**68
100%
Accurate 4350 👍
<<locked>>
90%
58363
90%
**43
100%
[Accurate MAGPRO]*
<<locked>>
97%
54708
84%
**07
94%
Alliant Reloder- TS 15.5
<<locked>>
85%
58392
90%
**10
100%
Alliant Reloder-16 👍
<<locked>>
92%
58465
90%
**96
100%
Alliant Reloder-17
<<locked>>
87%
58044
89%
**86
100%
Alliant Reloder-19
<<locked>>
96%
57986
89%
**43
98%
Alliant Reloder-22
<<locked>>
97%
54505
84%
**23
98%
Alliant Reloder-23
<<locked>>
97%
51808
80%
**55
100%
Alliant Reloder-25
<<locked>>
97%
44541
69%
**59
99%
Alliant Reloder-26
<<locked>>
95%
58117
89%
**25
100%
[Baschieri & Pellagri 109]*
<<locked>>
97%
54694
84%
**25
93%
Bofors RP15
<<locked>>
97%
49763
77%
**32
96%
Bofors RP3
<<locked>>
84%
58262
90%
**14
100%
[Bofors RP30]*
<<locked>>
97%
40625
63%
**48
92%
Bofors RP5
<<locked>>
97%
54505
84%
**23
98%
Bofors RP7
<<locked>>
88%
58117
89%
**01
99%
Hodgdon H380
<<locked>>
84%
58088
89%
**23
100%
Hodgdon H414
<<locked>>
86%
57986
89%
**50
99%
Hodgdon H4350
<<locked>>
93%
58117
89%
**04
99%
[Hodgdon H4831]*
<<locked>>
97%
50908
78%
**89
94%
Hodgdon H4831 SC
<<locked>>
97%
57783
89%
**04
96%
Hodgdon Hybrid 100V
<<locked>>
93%
58320
90%
**01
100%
Hodgdon LVR
<<locked>>
89%
57972
89%
**37
100%
Hodgdon Superperformance
<<locked>>
88%
57972
89%
**69
99%
Hodgdon VARGET
<<locked>>
86%
58262
90%
**10
100%
Hodgdon TrailBoss
<<locked>>
96%
34374
53%
**72
100%
IMR 4064
<<locked>>
86%
58073
89%
**94
100%
IMR 4166 Enduron
<<locked>>
87%
58088
89%
**94
99%
IMR 4350
<<locked>>
92%
58204
90%
**07
99%
IMR 4451 Enduron
<<locked>>
87%
57812
89%
**91
99%
IMR 4831
<<locked>>
95%
58218
90%
**14
100%
IMR 4955 Enduron
<<locked>>
97%
55985
86%
**55
96%
IMR 7828 SSC
<<locked>>
97%
56782
87%
**63
97%
Lovex S062
<<locked>>
84%
58334
90%
**84
100%
Lovex S065
<<locked>>
89%
58044
89%
**84
100%
Lovex S070
<<locked>>
91%
58450
90%
**14
99%
Lovex S071
<<locked>>
97%
44860
69%
**58
98%
Norma 203B
<<locked>>
83%
58421
90%
**23
100%
Norma 204
<<locked>>
91%
58160
90%
**37
98%
Norma MRP
<<locked>>
97%
58276
90%
**12
99%
Norma URP
<<locked>>
91%
58363
90%
**43
100%
Ramshot Grand
<<locked>>
95%
57870
89%
**89
97%
Ramshot Hunter 👍
<<locked>>
91%
58015
89%
**53
100%
Ramshot Magnum
<<locked>>
97%
53954
83%
**78
98%
ReloadSwiss RS 14
<<locked>>
97%
35244
54%
**21
100%
ReloadSwiss RS 50
<<locked>>
84%
58349
90%
**97
99%
ReloadSwiss RS 60
<<locked>>
85%
58305
90%
**99
100%
ReloadSwiss RS 62 👍
<<locked>>
90%
58146
89%
**46
100%
ReloadSwiss RS 70 👍
<<locked>>
91%
58363
90%
**96
100%
ReloadSwiss RS 76
<<locked>>
97%
44222
68%
**73
97%
Rottweil R 903
<<locked>>
86%
58305
90%
**07
100%
Rottweil R 904
<<locked>>
94%
57885
89%
**04
97%
Rottweil R 905
<<locked>>
96%
57899
89%
**50
98%
Rottweil R 907
<<locked>>
88%
58117
89%
**01
99%
SNPE Vectan SP 11
<<locked>>
85%
58276
90%
**33
100%
SNPE Vectan Tubal 5000
<<locked>>
86%
58073
89%
**76
100%
SNPE Vectan Tubal 7000
<<locked>>
90%
58363
90%
**41
99%
Shooters World Long Rifle
<<locked>>
89%
58044
89%
**84
100%
Shooters World Precision
<<locked>>
84%
58334
90%
**84
100%
Somchem S355
<<locked>>
86%
58117
89%
**01
100%
Somchem S361
<<locked>>
93%
58073
89%
**48
96%
Somchem S365
<<locked>>
93%
58305
90%
**37
100%
Somchem S385
<<locked>>
95%
57856
89%
**01
99%
Vihtavuori N135
<<locked>>
88%
58465
90%
**22
100%
Vihtavuori N150
<<locked>>
91%
58392
90%
**51
100%
Vihtavuori N160
<<locked>>
88%
58378
90%
**07
100%
Vihtavuori N165
<<locked>>
97%
50430
78%
**46
97%
Vihtavuori N550
<<locked>>
88%
58291
90%
**46
100%
Vihtavuori N555
<<locked>>
97%
57479
88%
**40
100%
Vihtavuori N560
<<locked>>
97%
55216
85%
**43
96%
[Vihtavuori N565]*
<<locked>>
97%
46557
72%
**53
94%
Winchester 6.5 StaBALL
<<locked>>
90%
58175
90%
**55
100%
Winchester 760
<<locked>>
86%
57986
89%
**50
99%
Winchester StaBALL HD
<<locked>>
97%
48414
75%
**07
100%
Winchester Supreme 780
<<locked>>
94%
57914
89%
**87
98%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
50662
78%
**86
100%
[ADI AR 2209]*
<<locked>>
81%
35215
54%
**71
90%
[ADI AR 2213]*
<<locked>>
87%
39102
60%
**86
90%
Accurate 2700
<<locked>>
81%
49139
76%
**81
97%
[Accurate 3100]*
<<locked>>
81%
30255
47%
**00
91%
Accurate 4064
<<locked>>
81%
53548
82%
**02
100%
Accurate 4350
<<locked>>
81%
41408
64%
**35
98%
[Accurate MAGPRO]*
<<locked>>
91%
43366
67%
**77
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
51300
79%
**02
100%
Alliant Reloder-16
<<locked>>
81%
40016
62%
**45
98%
Alliant Reloder-17
<<locked>>
81%
46615
72%
**96
100%
[Alliant Reloder-19]*
<<locked>>
81%
34867
54%
**61
90%
[Alliant Reloder-22]*
<<locked>>
84%
34809
54%
**94
90%
Alliant Reloder-23
<<locked>>
81%
29269
45%
**43
95%
[Alliant Reloder-25]*
<<locked>>
84%
28848
44%
**13
90%
[Alliant Reloder-26]*
<<locked>>
81%
32198
50%
**61
94%
[Baschieri & Pellagri 109]*
<<locked>>
93%
47572
73%
**81
90%
[Bofors RP15]*
<<locked>>
86%
34621
53%
**87
90%
Bofors RP3
<<locked>>
81%
52127
80%
**05
100%
[Bofors RP30]*
<<locked>>
94%
36289
56%
**36
90%
[Bofors RP5]*
<<locked>>
84%
34809
54%
**94
90%
Bofors RP7
<<locked>>
81%
45237
70%
**68
96%
Hodgdon H380
<<locked>>
81%
52576
81%
**32
100%
Hodgdon H414
<<locked>>
81%
48066
74%
**76
97%
[Hodgdon H4350]*
<<locked>>
81%
38638
59%
**27
94%
[Hodgdon H4831]*
<<locked>>
90%
40161
62%
**59
90%
[Hodgdon H4831 SC]*
<<locked>>
87%
40161
62%
**59
90%
Hodgdon Hybrid 100V
<<locked>>
81%
37579
58%
**27
99%
Hodgdon LVR
<<locked>>
81%
44295
68%
**00
98%
Hodgdon Superperformance
<<locked>>
81%
43642
67%
**04
96%
Hodgdon VARGET
<<locked>>
81%
50154
77%
**76
100%
Hodgdon TrailBoss
<<locked>>
81%
27427
42%
**05
100%
IMR 4064
<<locked>>
81%
49327
76%
**56
100%
IMR 4166 Enduron
<<locked>>
81%
48515
75%
**23
97%
IMR 4350
<<locked>>
81%
40886
63%
**72
95%
IMR 4451 Enduron
<<locked>>
81%
46833
72%
**97
97%
IMR 4831
<<locked>>
81%
35752
55%
**84
96%
[IMR 4955 Enduron]*
<<locked>>
86%
39262
60%
**20
90%
[IMR 7828 SSC]*
<<locked>>
87%
39030
60%
**89
90%
Lovex S062
<<locked>>
81%
53548
82%
**09
100%
Lovex S065
<<locked>>
81%
44005
68%
**41
98%
Lovex S070
<<locked>>
81%
42424
65%
**15
96%
[Lovex S071]*
<<locked>>
84%
28253
43%
**44
90%
Norma 203B
<<locked>>
81%
54244
83%
**61
100%
[Norma 204]*
<<locked>>
81%
40683
63%
**89
93%
[Norma MRP]*
<<locked>>
81%
32242
50%
**35
90%
Norma URP
<<locked>>
81%
41176
63%
**31
98%
[Ramshot Grand]*
<<locked>>
84%
37753
58%
**66
90%
Ramshot Hunter
<<locked>>
81%
40248
62%
**05
96%
[Ramshot Magnum]*
<<locked>>
85%
33141
51%
**05
90%
ReloadSwiss RS 14
<<locked>>
81%
27847
43%
**51
100%
ReloadSwiss RS 50
<<locked>>
81%
52417
81%
**05
99%
ReloadSwiss RS 60
<<locked>>
81%
49487
76%
**55
100%
ReloadSwiss RS 62
<<locked>>
81%
41858
64%
**48
98%
ReloadSwiss RS 70
<<locked>>
81%
40611
63%
**61
97%
[ReloadSwiss RS 76]*
<<locked>>
89%
32967
51%
**51
90%
Rottweil R 903
<<locked>>
81%
48907
75%
**50
100%
[Rottweil R 904]*
<<locked>>
82%
37666
58%
**97
90%
[Rottweil R 905]*
<<locked>>
81%
34461
53%
**58
90%
Rottweil R 907
<<locked>>
81%
45237
70%
**68
96%
SNPE Vectan SP 11
<<locked>>
81%
50604
78%
**05
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
49806
77%
**64
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
43439
67%
**76
96%
Shooters World Long Rifle
<<locked>>
81%
44005
68%
**41
98%
Shooters World Precision
<<locked>>
81%
53548
82%
**09
100%
Somchem S355
<<locked>>
81%
48892
75%
**53
100%
[Somchem S361]*
<<locked>>
83%
39537
61%
**87
90%
Somchem S365
<<locked>>
81%
37695
58%
**72
99%
[Somchem S385]*
<<locked>>
81%
34577
53%
**25
92%
Vihtavuori N135
<<locked>>
81%
47152
73%
**61
100%
Vihtavuori N150
<<locked>>
81%
41829
64%
**72
100%
Vihtavuori N160
<<locked>>
81%
44614
69%
**64
99%
[Vihtavuori N165]*
<<locked>>
85%
32764
50%
**66
90%
Vihtavuori N550
<<locked>>
81%
45324
70%
**23
99%
Vihtavuori N555
<<locked>>
81%
32547
50%
**31
95%
[Vihtavuori N560]*
<<locked>>
88%
39755
61%
**28
90%
[Vihtavuori N565]*
<<locked>>
91%
38174
59%
**59
90%
Winchester 6.5 StaBALL
<<locked>>
81%
42395
65%
**95
100%
Winchester 760
<<locked>>
81%
48066
74%
**76
97%
[Winchester StaBALL HD]*
<<locked>>
81%
23656
36%
**80
93%
[Winchester Supreme 780]*
<<locked>>
81%
34795
54%
**25
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.

<<locked>>... you need to buy an access license to unlock the data

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