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Load data for .270 Weath. Mag. + .277 | 140gr | Barnes TSX BT

Recommended Powder(s): Alliant Reloder-26, Ramshot Hunter, Somchem S385, Vihtavuori N555, Winchester StaBALL HD

.270 Weath. Mag. + .277 | 140gr | Barnes TSX BT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.277 | 140gr | Barnes TSX BT
Manufacturer SKU:
30266
Bullet Weight:
140gr | 9.1g
Bullet Diameter:
0.277" | 7.04mm
Bullet Length:
1.300" | 33.0mm
Caliber:
.270 Weath. Mag. load data
Case Length (l3):
2.549" | 64.7mm
Cartridge Length (C.O.L.):
3.246" | 82.4mm
Seated Depth:
0.603" | 15.3mm
Shank Seated Depth:
0.479" | 12.2mm
Case Capacity:
82.0 Grains of Water | 5.32 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B544_C270
Last updated:
2025-01-01
Recommended Twist Rate:
1:10 - 1:8

Load data for 146 loads in caliber .270 Weath. Mag. with .277 | 140gr | Barnes TSX BT bullet and 73 powders such as Alliant Reloder-26, Ramshot Hunter, Somchem S385, Vihtavuori N555, Winchester StaBALL HD. 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 2208
<<locked>>
83%
56550
89%
**40
100%
ADI AR 2209
<<locked>>
94%
56956
89%
**35
99%
ADI AR 2213
<<locked>>
97%
56173
88%
**58
98%
[ADI AR 2217]*
<<locked>>
97%
41002
64%
**49
94%
ADI AR 2225
<<locked>>
97%
36695
57%
**10
96%
Accurate 2700
<<locked>>
85%
57348
90%
**17
99%
Accurate 3100
<<locked>>
97%
56304
88%
**72
100%
Accurate 4350
<<locked>>
88%
56681
89%
**95
100%
Accurate MAGPRO
<<locked>>
97%
54795
86%
**48
96%
Alliant Reloder-16
<<locked>>
90%
56681
89%
**41
100%
Alliant Reloder-17
<<locked>>
85%
57276
90%
**45
100%
Alliant Reloder-19
<<locked>>
94%
56710
89%
**35
99%
Alliant Reloder-22
<<locked>>
97%
55927
88%
**54
99%
Alliant Reloder-23
<<locked>>
97%
53548
84%
**86
100%
Alliant Reloder-25
<<locked>>
97%
45876
72%
**13
100%
Alliant Reloder-26 👍
<<locked>>
95%
56956
89%
**27
100%
[Hodgdon H1000]*
<<locked>>
97%
41002
64%
**49
94%
Hodgdon H414
<<locked>>
85%
57334
90%
**35
100%
Hodgdon H4350
<<locked>>
92%
57043
89%
**79
99%
Hodgdon H4831
<<locked>>
97%
52083
82%
**30
96%
Hodgdon H4831 SC
<<locked>>
96%
57246
90%
**15
97%
Hodgdon Hybrid 100V
<<locked>>
92%
57159
90%
**59
100%
Hodgdon LVR
<<locked>>
87%
57334
90%
**12
100%
Hodgdon Retumbo
<<locked>>
97%
36695
57%
**10
96%
Hodgdon Superperformance
<<locked>>
87%
57101
89%
**58
100%
Hodgdon VARGET
<<locked>>
84%
56971
89%
**43
100%
Hodgdon TrailBoss
<<locked>>
96%
34911
55%
**27
100%
IMR 4064
<<locked>>
84%
56768
89%
**23
100%
IMR 4166 Enduron
<<locked>>
85%
57290
90%
**40
100%
IMR 4350
<<locked>>
90%
56666
89%
**66
99%
IMR 4451 Enduron
<<locked>>
86%
57130
90%
**59
100%
IMR 4831
<<locked>>
93%
56347
88%
**76
100%
IMR 4955 Enduron
<<locked>>
97%
56797
89%
**72
98%
IMR 7828 SSC
<<locked>>
96%
56695
89%
**81
98%
Lovex S065
<<locked>>
88%
56782
89%
**49
100%
Lovex S070
<<locked>>
89%
57232
90%
**79
100%
Lovex S071
<<locked>>
97%
47079
74%
**18
99%
Norma 204
<<locked>>
89%
56724
89%
**15
99%
[Norma 217]*
<<locked>>
97%
32416
51%
**21
93%
Norma MRP
<<locked>>
96%
56956
89%
**00
100%
Norma URP
<<locked>>
89%
57261
90%
**15
100%
Ramshot Hunter 👍
<<locked>>
90%
57000
89%
**28
100%
Ramshot Magnum
<<locked>>
97%
55129
86%
**22
99%
ReloadSwiss RS 14
<<locked>>
97%
36056
56%
**77
100%
ReloadSwiss RS 60
<<locked>>
86%
56739
89%
**68
100%
ReloadSwiss RS 62
<<locked>>
88%
56768
89%
**18
100%
ReloadSwiss RS 70
<<locked>>
89%
56985
89%
**81
100%
ReloadSwiss RS 76
<<locked>>
97%
44715
70%
**30
98%
[ReloadSwiss RS 80]*
<<locked>>
97%
40437
63%
**08
92%
Rottweil R 903
<<locked>>
84%
57159
90%
**53
100%
Rottweil R 904
<<locked>>
93%
56449
88%
**79
98%
Rottweil R 905
<<locked>>
94%
56681
89%
**25
99%
Rottweil R 907
<<locked>>
87%
57392
90%
**63
99%
SNPE Vectan SP 11
<<locked>>
83%
56623
89%
**76
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
56478
88%
**15
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
57406
90%
**10
100%
Shooters World Long Rifle
<<locked>>
88%
56782
89%
**49
100%
Somchem S355
<<locked>>
84%
57043
89%
**46
100%
Somchem S361
<<locked>>
92%
56956
89%
**46
97%
Somchem S365
<<locked>>
91%
56913
89%
**05
100%
Somchem S385 👍
<<locked>>
95%
57435
90%
**99
99%
Vihtavuori N135
<<locked>>
85%
57029
89%
**51
100%
Vihtavuori N150
<<locked>>
89%
56681
89%
**00
100%
Vihtavuori N160
<<locked>>
87%
57101
89%
**63
100%
Vihtavuori N165
<<locked>>
97%
51982
81%
**04
99%
Vihtavuori N550
<<locked>>
87%
57334
90%
**09
100%
Vihtavuori N555 👍
<<locked>>
96%
56782
89%
**25
100%
Vihtavuori N560
<<locked>>
97%
55811
87%
**77
98%
Vihtavuori N565
<<locked>>
97%
47543
75%
**07
96%
[Vihtavuori N568]*
<<locked>>
97%
41756
65%
**25
92%
Winchester 6.5 StaBALL
<<locked>>
89%
57377
90%
**36
100%
Winchester 760
<<locked>>
85%
57334
90%
**35
100%
Winchester StaBALL HD 👍
<<locked>>
97%
49850
78%
**58
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
52620
82%
**74
100%
[ADI AR 2209]*
<<locked>>
81%
37130
58%
**44
94%
[ADI AR 2213]*
<<locked>>
82%
34505
54%
**95
90%
[ADI AR 2217]*
<<locked>>
91%
34258
54%
**72
90%
[ADI AR 2225]*
<<locked>>
89%
28645
45%
**57
90%
Accurate 2700
<<locked>>
81%
51010
80%
**15
99%
Accurate 3100
<<locked>>
81%
32532
51%
**00
95%
Accurate 4350
<<locked>>
81%
43976
69%
**79
100%
[Accurate MAGPRO]*
<<locked>>
87%
38508
60%
**20
90%
Alliant Reloder-16
<<locked>>
81%
42351
66%
**89
100%
Alliant Reloder-17
<<locked>>
81%
48936
77%
**23
100%
[Alliant Reloder-19]*
<<locked>>
81%
36796
58%
**31
94%
[Alliant Reloder-22]*
<<locked>>
81%
32648
51%
**66
92%
Alliant Reloder-23
<<locked>>
81%
31386
49%
**43
98%
[Alliant Reloder-25]*
<<locked>>
81%
27630
43%
**31
93%
Alliant Reloder-26
<<locked>>
81%
34040
53%
**71
97%
[Hodgdon H1000]*
<<locked>>
91%
34258
54%
**72
90%
Hodgdon H414
<<locked>>
81%
50024
78%
**07
99%
Hodgdon H4350
<<locked>>
81%
40799
64%
**71
96%
[Hodgdon H4831]*
<<locked>>
85%
35041
55%
**66
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
35041
55%
**66
90%
Hodgdon Hybrid 100V
<<locked>>
81%
39972
63%
**74
100%
Hodgdon LVR
<<locked>>
81%
46514
73%
**22
100%
[Hodgdon Retumbo]*
<<locked>>
89%
28645
45%
**57
90%
Hodgdon Superperformance
<<locked>>
81%
45368
71%
**54
98%
Hodgdon VARGET
<<locked>>
81%
52344
82%
**64
100%
Hodgdon TrailBoss
<<locked>>
81%
28021
44%
**77
100%
IMR 4064
<<locked>>
81%
51721
81%
**54
100%
IMR 4166 Enduron
<<locked>>
81%
50270
79%
**22
99%
IMR 4350
<<locked>>
81%
42960
67%
**23
97%
IMR 4451 Enduron
<<locked>>
81%
48747
76%
**18
99%
IMR 4831
<<locked>>
81%
38101
60%
**48
99%
[IMR 4955 Enduron]*
<<locked>>
81%
35114
55%
**36
91%
[IMR 7828 SSC]*
<<locked>>
81%
34098
53%
**98
90%
Lovex S065
<<locked>>
81%
46311
73%
**69
99%
Lovex S070
<<locked>>
81%
44628
70%
**49
98%
[Lovex S071]*
<<locked>>
81%
27978
44%
**79
93%
Norma 204
<<locked>>
81%
42612
67%
**49
96%
[Norma 217]*
<<locked>>
94%
29095
46%
**10
90%
[Norma MRP]*
<<locked>>
81%
34142
54%
**35
94%
Norma URP
<<locked>>
81%
43584
68%
**69
99%
Ramshot Hunter
<<locked>>
81%
42409
66%
**69
98%
[Ramshot Magnum]*
<<locked>>
81%
30153
47%
**77
91%
ReloadSwiss RS 14
<<locked>>
81%
28529
45%
**13
100%
ReloadSwiss RS 60
<<locked>>
81%
47123
74%
**13
100%
ReloadSwiss RS 62
<<locked>>
81%
43990
69%
**05
99%
ReloadSwiss RS 70
<<locked>>
81%
42525
67%
**18
99%
[ReloadSwiss RS 76]*
<<locked>>
85%
29428
46%
**07
90%
[ReloadSwiss RS 80]*
<<locked>>
94%
36927
58%
**20
90%
Rottweil R 903
<<locked>>
81%
51474
81%
**58
100%
[Rottweil R 904]*
<<locked>>
81%
38392
60%
**28
93%
[Rottweil R 905]*
<<locked>>
81%
36172
57%
**21
94%
Rottweil R 907
<<locked>>
81%
47355
74%
**85
98%
SNPE Vectan SP 11
<<locked>>
81%
52620
82%
**10
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
51663
81%
**40
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
45455
71%
**10
98%
Shooters World Long Rifle
<<locked>>
81%
46311
73%
**69
99%
Somchem S355
<<locked>>
81%
51329
80%
**58
100%
[Somchem S361]*
<<locked>>
81%
39233
61%
**12
92%
Somchem S365
<<locked>>
81%
40263
63%
**33
100%
Somchem S385
<<locked>>
81%
36680
57%
**05
95%
Vihtavuori N135
<<locked>>
81%
49676
78%
**49
100%
Vihtavuori N150
<<locked>>
81%
43845
69%
**87
100%
Vihtavuori N160
<<locked>>
81%
46949
74%
**99
100%
[Vihtavuori N165]*
<<locked>>
81%
30893
48%
**48
92%
Vihtavuori N550
<<locked>>
81%
47340
74%
**41
100%
Vihtavuori N555
<<locked>>
81%
35215
55%
**21
98%
[Vihtavuori N560]*
<<locked>>
82%
34345
54%
**18
90%
[Vihtavuori N565]*
<<locked>>
86%
33431
52%
**85
90%
[Vihtavuori N568]*
<<locked>>
94%
37956
59%
**36
90%
Winchester 6.5 StaBALL
<<locked>>
81%
43961
69%
**33
100%
Winchester 760
<<locked>>
81%
50024
78%
**07
99%
Winchester StaBALL HD
<<locked>>
81%
26136
41%
**26
98%

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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