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Load data for .300 RCM + .308 | 150gr | Barnes TAC-X

Recommended Powder(s):

.300 RCM + .308 | 150gr | Barnes TAC-X

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 150gr | Barnes TAC-X
Manufacturer SKU:
30337
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.283" | 32.6mm
Caliber:
.300 RCM load data
Case Length (l3):
2.090" | 53.1mm
Cartridge Length (C.O.L.):
2.797" | 71.1mm
Seated Depth:
0.576" | 14.6mm
Shank Seated Depth:
0.451" | 11.5mm
Case Capacity:
75.0 Grains of Water | 4.87 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B607_C371
Last updated:
2025-01-01
Recommended Twist Rate:
1:12 - 1:10

Load data for 192 loads in caliber .300 RCM with .308 | 150gr | Barnes TAC-X bullet and 96 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 2206H
<<locked>>
91%
57029
89%
**09
100%
ADI AR 2208
<<locked>>
96%
56594
89%
**82
99%
Accurate 2015
<<locked>>
87%
56753
89%
**90
100%
Accurate 2200
<<locked>>
89%
56652
89%
**56
99%
Accurate 2230
<<locked>>
84%
56217
88%
**40
100%
Accurate 2460
<<locked>>
85%
57174
90%
**53
100%
Accurate 2495
<<locked>>
90%
57101
89%
**72
100%
Accurate 2520
<<locked>>
89%
56521
89%
**82
100%
Accurate 2700
<<locked>>
97%
57232
90%
**10
95%
Accurate 4064
<<locked>>
96%
57116
89%
**95
100%
Accurate 4350
<<locked>>
97%
43888
69%
**48
97%
Alliant AR-Comp
<<locked>>
89%
56942
89%
**46
100%
Alliant Reloder- TS 15.5
<<locked>>
96%
56536
89%
**05
100%
Alliant Reloder-10x
<<locked>>
84%
56710
89%
**00
100%
Alliant Reloder-15 👍
<<locked>>
94%
56739
89%
**22
99%
Alliant Reloder-16
<<locked>>
97%
43787
69%
**48
97%
Alliant Reloder-17
<<locked>>
97%
51111
80%
**25
100%
[Alliant Reloder-23]*
<<locked>>
97%
31531
49%
**75
93%
Baschieri & Pellagri 107
<<locked>>
91%
56681
89%
**18
99%
Hodgdon BL-C2
<<locked>>
89%
56782
89%
**25
100%
Hodgdon Benchmark
<<locked>>
88%
56449
88%
**20
100%
Hodgdon CFE223
<<locked>>
94%
56855
89%
**51
99%
Hodgdon H322
<<locked>>
88%
57217
90%
**63
100%
Hodgdon H380
<<locked>>
95%
56681
89%
**09
99%
Hodgdon H414
<<locked>>
97%
52649
83%
**92
96%
[Hodgdon H4350]*
<<locked>>
97%
43062
67%
**40
92%
Hodgdon Hybrid 100V
<<locked>>
97%
40393
63%
**43
97%
Hodgdon LVR
<<locked>>
97%
48515
76%
**10
97%
[Hodgdon Superperformance]*
<<locked>>
97%
48095
75%
**23
94%
Hodgdon VARGET
<<locked>>
97%
57261
90%
**89
99%
Hodgdon TrailBoss
<<locked>>
96%
33257
52%
**72
100%
IMR 3031
<<locked>>
94%
56652
89%
**02
100%
IMR 4064
<<locked>>
97%
56231
88%
**66
99%
IMR 4166 Enduron
<<locked>>
97%
56333
88%
**27
96%
IMR 4198
<<locked>>
84%
56333
88%
**58
100%
[IMR 4350]*
<<locked>>
97%
45208
71%
**85
93%
IMR 4451 Enduron
<<locked>>
97%
53635
84%
**17
96%
IMR 4831
<<locked>>
97%
37840
59%
**03
95%
IMR 4895 👍
<<locked>>
94%
57203
90%
**41
100%
IMR 8208 XBR
<<locked>>
89%
57058
89%
**66
100%
Lovex D073.4
<<locked>>
84%
57305
90%
**46
100%
Lovex D073.5
<<locked>>
85%
57174
90%
**53
100%
Lovex D073.6
<<locked>>
91%
56521
89%
**82
100%
Lovex S060
<<locked>>
91%
57406
90%
**33
100%
Lovex S062
<<locked>>
95%
56971
89%
**82
100%
Lovex S065
<<locked>>
97%
49530
78%
**54
96%
[Lovex S070]*
<<locked>>
97%
46847
73%
**25
94%
Norma 201
<<locked>>
92%
57087
89%
**69
100%
Norma 202
<<locked>>
91%
56579
89%
**66
100%
Norma 203B 👍
<<locked>>
95%
56826
89%
**22
100%
Norma URP
<<locked>>
97%
44193
69%
**44
97%
Ramshot Big Game 👍
<<locked>>
94%
56695
89%
**38
100%
[Ramshot Hunter]*
<<locked>>
97%
43395
68%
**22
94%
Ramshot TAC
<<locked>>
89%
57392
90%
**76
98%
Ramshot Wild Boar
<<locked>>
89%
56695
89%
**02
100%
Ramshot X-Terminator
<<locked>>
86%
56840
89%
**46
99%
ReloadSwiss RS 14
<<locked>>
96%
33504
52%
**11
100%
ReloadSwiss RS 40
<<locked>>
86%
57246
90%
**59
100%
ReloadSwiss RS 50
<<locked>>
95%
57377
90%
**86
97%
ReloadSwiss RS 52 👍
<<locked>>
95%
57406
90%
**61
100%
ReloadSwiss RS 60
<<locked>>
97%
49501
78%
**12
100%
ReloadSwiss RS 62
<<locked>>
97%
44338
69%
**77
96%
ReloadSwiss RS 70
<<locked>>
97%
44672
70%
**74
95%
Rottweil R 901
<<locked>>
89%
57217
90%
**40
100%
Rottweil R 902
<<locked>>
94%
57116
89%
**63
100%
Rottweil R 903
<<locked>>
97%
53664
84%
**66
100%
Rottweil R 907
<<locked>>
97%
51779
81%
**81
95%
SNPE Vectan SP 11
<<locked>>
97%
55564
87%
**31
100%
SNPE Vectan SP 7
<<locked>>
90%
57188
90%
**82
98%
SNPE Vectan SP 9
<<locked>>
92%
56739
89%
**92
100%
SNPE Vectan Tubal 3000
<<locked>>
90%
56985
89%
**84
100%
SNPE Vectan Tubal 5000
<<locked>>
96%
56927
89%
**84
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
49864
78%
**08
95%
Shooters World Long Rifle
<<locked>>
97%
49530
78%
**54
96%
Shooters World Match Rifle
<<locked>>
91%
56521
89%
**82
100%
Shooters World Precision
<<locked>>
95%
56971
89%
**82
100%
Shooters World Tactical Rifle
<<locked>>
83%
56710
89%
**27
100%
Somchem S321
<<locked>>
86%
56840
89%
**79
100%
Somchem S335
<<locked>>
91%
57014
89%
**97
100%
Somchem S341
<<locked>>
90%
57145
90%
**82
100%
Somchem S355
<<locked>>
97%
54752
86%
**69
100%
Somchem S365
<<locked>>
97%
39450
62%
**89
99%
Vihtavuori N130
<<locked>>
87%
56420
88%
**54
100%
Vihtavuori N133
<<locked>>
93%
56753
89%
**74
100%
Vihtavuori N135
<<locked>>
97%
51677
81%
**64
100%
Vihtavuori N140
<<locked>>
93%
56536
89%
**30
100%
Vihtavuori N150
<<locked>>
97%
46325
73%
**02
100%
Vihtavuori N160
<<locked>>
97%
49037
77%
**90
98%
Vihtavuori N530
<<locked>>
88%
57246
90%
**86
100%
Vihtavuori N540
<<locked>>
94%
57246
90%
**72
100%
Vihtavuori N550
<<locked>>
97%
49472
78%
**36
98%
[Vihtavuori N555]*
<<locked>>
97%
33315
52%
**54
94%
Winchester 6.5 StaBALL
<<locked>>
97%
47123
74%
**28
99%
Winchester 748
<<locked>>
87%
57363
90%
**18
100%
Winchester 760
<<locked>>
97%
52649
83%
**92
96%
Winchester StaBALL Match
<<locked>>
85%
56637
89%
**09
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
41785
65%
**30
97%
ADI AR 2208
<<locked>>
81%
35563
56%
**75
95%
Accurate 2015
<<locked>>
81%
47210
74%
**53
100%
Accurate 2200
<<locked>>
81%
44048
69%
**43
96%
Accurate 2230
<<locked>>
81%
49922
78%
**44
99%
Accurate 2460
<<locked>>
81%
50067
78%
**48
100%
Accurate 2495
<<locked>>
81%
42322
66%
**43
100%
Accurate 2520
<<locked>>
81%
42989
67%
**62
100%
[Accurate 2700]*
<<locked>>
85%
39320
62%
**89
90%
Accurate 4064
<<locked>>
81%
35607
56%
**12
99%
[Accurate 4350]*
<<locked>>
84%
28427
45%
**80
90%
Alliant AR-Comp
<<locked>>
81%
43381
68%
**56
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
34824
55%
**92
96%
Alliant Reloder-10x
<<locked>>
81%
51271
80%
**31
100%
Alliant Reloder-15
<<locked>>
81%
37434
59%
**57
96%
[Alliant Reloder-16]*
<<locked>>
84%
30182
47%
**00
90%
[Alliant Reloder-17]*
<<locked>>
81%
30066
47%
**30
93%
[Alliant Reloder-23]*
<<locked>>
92%
26905
42%
**21
90%
Baschieri & Pellagri 107
<<locked>>
81%
40930
64%
**30
96%
Hodgdon BL-C2
<<locked>>
81%
42786
67%
**79
99%
Hodgdon Benchmark
<<locked>>
81%
45934
72%
**49
99%
[Hodgdon CFE223]*
<<locked>>
81%
35737
56%
**44
94%
Hodgdon H322
<<locked>>
81%
46630
73%
**05
100%
[Hodgdon H380]*
<<locked>>
81%
35447
56%
**92
93%
[Hodgdon H414]*
<<locked>>
86%
36550
57%
**67
90%
[Hodgdon H4350]*
<<locked>>
93%
38435
60%
**41
90%
[Hodgdon Hybrid 100V]*
<<locked>>
82%
25628
40%
**43
90%
[Hodgdon LVR]*
<<locked>>
83%
31299
49%
**20
90%
[Hodgdon Superperformance]*
<<locked>>
91%
39450
62%
**30
90%
[Hodgdon VARGET]*
<<locked>>
81%
35230
55%
**69
94%
Hodgdon TrailBoss
<<locked>>
84%
27731
43%
**54
100%
IMR 3031
<<locked>>
81%
37565
59%
**77
100%
IMR 4064
<<locked>>
81%
34621
54%
**49
95%
[IMR 4166 Enduron]*
<<locked>>
82%
36318
57%
**46
90%
IMR 4198
<<locked>>
81%
51851
81%
**95
100%
[IMR 4350]*
<<locked>>
91%
38334
60%
**38
90%
[IMR 4451 Enduron]*
<<locked>>
84%
36361
57%
**75
90%
[IMR 4831]*
<<locked>>
88%
28355
44%
**48
90%
IMR 4895
<<locked>>
81%
38377
60%
**90
97%
IMR 8208 XBR
<<locked>>
81%
43874
69%
**53
99%
Lovex D073.4
<<locked>>
81%
51764
81%
**64
100%
Lovex D073.5
<<locked>>
81%
49269
77%
**38
100%
Lovex D073.6
<<locked>>
81%
40161
63%
**07
99%
Lovex S060
<<locked>>
81%
42148
66%
**74
97%
Lovex S062
<<locked>>
81%
36767
58%
**12
97%
[Lovex S065]*
<<locked>>
83%
31879
50%
**77
90%
[Lovex S070]*
<<locked>>
88%
35273
55%
**79
90%
Norma 201
<<locked>>
81%
40828
64%
**84
98%
Norma 202
<<locked>>
81%
41046
64%
**03
100%
Norma 203B
<<locked>>
81%
36956
58%
**48
96%
[Norma URP]*
<<locked>>
84%
29486
46%
**87
90%
Ramshot Big Game
<<locked>>
81%
36347
57%
**54
95%
[Ramshot Hunter]*
<<locked>>
90%
34635
54%
**21
90%
Ramshot TAC
<<locked>>
81%
43787
69%
**36
95%
Ramshot Wild Boar
<<locked>>
81%
42960
67%
**69
98%
Ramshot X-Terminator
<<locked>>
81%
47543
75%
**99
98%
ReloadSwiss RS 14
<<locked>>
81%
26672
42%
**60
100%
ReloadSwiss RS 40
<<locked>>
81%
49400
77%
**41
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
35781
56%
**75
91%
ReloadSwiss RS 52
<<locked>>
81%
35230
55%
**51
97%
[ReloadSwiss RS 60]*
<<locked>>
81%
29211
46%
**07
93%
[ReloadSwiss RS 62]*
<<locked>>
86%
30255
47%
**26
90%
[ReloadSwiss RS 70]*
<<locked>>
88%
33359
52%
**98
90%
Rottweil R 901
<<locked>>
81%
44585
70%
**40
100%
Rottweil R 902
<<locked>>
81%
39088
61%
**38
98%
Rottweil R 903
<<locked>>
81%
31966
50%
**33
95%
[Rottweil R 907]*
<<locked>>
87%
38537
60%
**18
90%
[SNPE Vectan SP 11]*
<<locked>>
81%
33127
52%
**75
94%
SNPE Vectan SP 7
<<locked>>
81%
41655
65%
**03
95%
SNPE Vectan SP 9
<<locked>>
81%
40205
63%
**97
97%
SNPE Vectan Tubal 3000
<<locked>>
81%
42569
67%
**57
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
35099
55%
**13
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
87%
34998
55%
**20
90%
[Shooters World Long Rifle]*
<<locked>>
83%
31879
50%
**77
90%
Shooters World Match Rifle
<<locked>>
81%
40161
63%
**07
99%
Shooters World Precision
<<locked>>
81%
36767
58%
**12
97%
Shooters World Tactical Rifle
<<locked>>
81%
52199
82%
**58
100%
Somchem S321
<<locked>>
81%
47340
74%
**35
99%
Somchem S335
<<locked>>
81%
41974
66%
**54
100%
Somchem S341
<<locked>>
81%
41800
66%
**13
97%
Somchem S355
<<locked>>
81%
33127
52%
**46
95%
[Somchem S365]*
<<locked>>
81%
23902
37%
**36
91%
Vihtavuori N130
<<locked>>
81%
46963
74%
**10
100%
Vihtavuori N133
<<locked>>
81%
39784
62%
**02
100%
Vihtavuori N135
<<locked>>
81%
32198
50%
**07
100%
Vihtavuori N140
<<locked>>
81%
38421
60%
**31
100%
Vihtavuori N150
<<locked>>
81%
28094
44%
**88
95%
[Vihtavuori N160]*
<<locked>>
81%
29501
46%
**48
90%
Vihtavuori N530
<<locked>>
81%
45905
72%
**02
99%
Vihtavuori N540
<<locked>>
81%
37913
59%
**38
99%
[Vihtavuori N550]*
<<locked>>
81%
29312
46%
**84
90%
[Vihtavuori N555]*
<<locked>>
91%
27615
43%
**80
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
28427
45%
**88
92%
Winchester 748
<<locked>>
81%
46702
73%
**58
100%
[Winchester 760]*
<<locked>>
86%
36550
57%
**67
90%
Winchester StaBALL Match
<<locked>>
81%
49647
78%
**94
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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