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

Recommended Powder(s):

.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:
<<locked>>
Caliber:
.270 Weath. Mag. load data
Case Length (l3):
2.549" | 64.7mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
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:
2026-03-26

Load data for 158 loads in caliber .270 Weath. Mag. with .277 | 140gr | Barnes TSX BT bullet and 79 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".

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  • 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>>
84%
57319
90%
**46
100%
ADI AR 2209
<<locked>>
94%
56768
89%
**31
99%
ADI AR 2213
<<locked>>
97%
55027
86%
**48
98%
[ADI AR 2217]*
<<locked>>
97%
39972
63%
**30
93%
ADI AR 2225
<<locked>>
97%
35418
55%
**74
95%
Accurate 2700
<<locked>>
85%
56942
89%
**13
99%
Accurate 3100
<<locked>>
97%
54708
86%
**56
100%
Accurate 4350
<<locked>>
89%
56927
89%
**99
100%
Accurate MAGPRO
<<locked>>
97%
53447
84%
**28
96%
Alliant Reloder- TS 15.5
<<locked>>
83%
56724
89%
**46
100%
Alliant Reloder-16
<<locked>>
91%
57305
90%
**58
100%
Alliant Reloder-17
<<locked>>
86%
56797
89%
**51
100%
Alliant Reloder-19
<<locked>>
95%
57363
90%
**38
99%
Alliant Reloder-22
<<locked>>
97%
54621
86%
**38
99%
Alliant Reloder-23
<<locked>>
97%
52011
81%
**69
100%
Alliant Reloder-25
<<locked>>
97%
44512
70%
**90
100%
Alliant Reloder-26 👍
<<locked>>
96%
57348
90%
**27
100%
[Baschieri & Pellagri 109]*
<<locked>>
97%
53925
84%
**40
94%
Bofors RP15
<<locked>>
97%
50053
78%
**53
98%
Bofors RP3
<<locked>>
83%
57203
90%
**53
100%
Bofors RP30
<<locked>>
97%
40915
64%
**08
95%
Bofors RP5
<<locked>>
97%
54621
86%
**38
99%
Bofors RP7
<<locked>>
88%
57130
90%
**63
99%
[Hodgdon H1000]*
<<locked>>
97%
39972
63%
**30
93%
Hodgdon H414
<<locked>>
85%
56855
89%
**31
100%
Hodgdon H4350
<<locked>>
92%
56855
89%
**79
99%
Hodgdon H4831
<<locked>>
97%
50908
80%
**17
96%
Hodgdon H4831 SC
<<locked>>
96%
56855
89%
**09
97%
Hodgdon Hybrid 100V
<<locked>>
92%
56710
89%
**66
100%
Hodgdon LVR
<<locked>>
88%
57058
89%
**09
100%
Hodgdon Retumbo
<<locked>>
97%
35418
55%
**74
95%
Hodgdon Superperformance
<<locked>>
88%
56666
89%
**51
100%
Hodgdon VARGET
<<locked>>
84%
56782
89%
**43
100%
Hodgdon TrailBoss
<<locked>>
96%
34751
54%
**27
100%
IMR 4064
<<locked>>
85%
57319
90%
**40
100%
IMR 4166 Enduron
<<locked>>
86%
57101
89%
**40
100%
IMR 4350
<<locked>>
91%
57334
90%
**82
99%
IMR 4451 Enduron
<<locked>>
87%
56898
89%
**56
100%
IMR 4831
<<locked>>
94%
56681
89%
**89
100%
IMR 4955 Enduron
<<locked>>
97%
55898
88%
**69
97%
IMR 7828 SSC
<<locked>>
97%
56289
88%
**74
98%
Lovex S065
<<locked>>
89%
57145
90%
**53
100%
Lovex S070
<<locked>>
89%
56695
89%
**72
100%
Lovex S071
<<locked>>
97%
45455
71%
**92
99%
Norma 204 👍
<<locked>>
90%
56550
89%
**12
99%
Norma MRP
<<locked>>
96%
57334
90%
**14
100%
Norma URP
<<locked>>
90%
56811
89%
**12
100%
Ramshot Grand
<<locked>>
95%
57029
89%
**04
98%
Ramshot Hunter 👍
<<locked>>
91%
57377
90%
**41
100%
Ramshot Magnum
<<locked>>
97%
53664
84%
**05
99%
ReloadSwiss RS 14
<<locked>>
97%
35824
56%
**77
100%
ReloadSwiss RS 60
<<locked>>
84%
56826
89%
**41
100%
ReloadSwiss RS 62
<<locked>>
89%
57188
90%
**31
100%
ReloadSwiss RS 70
<<locked>>
90%
56478
89%
**74
100%
ReloadSwiss RS 76
<<locked>>
97%
43250
68%
**13
98%
Rottweil R 903
<<locked>>
85%
56637
89%
**49
100%
Rottweil R 904
<<locked>>
94%
57145
90%
**86
98%
Rottweil R 905
<<locked>>
95%
57101
89%
**38
99%
Rottweil R 907
<<locked>>
88%
57130
90%
**63
99%
SNPE Vectan SP 11
<<locked>>
84%
57232
90%
**92
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
57203
90%
**25
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
57159
90%
**13
100%
Shooters World Long Rifle
<<locked>>
89%
57145
90%
**53
100%
Somchem S355
<<locked>>
85%
56434
88%
**40
100%
Somchem S361
<<locked>>
93%
56579
89%
**43
97%
Somchem S365
<<locked>>
92%
57377
90%
**22
100%
Somchem S385
<<locked>>
95%
56898
89%
**02
99%
Vihtavuori N135
<<locked>>
86%
56492
89%
**51
100%
Vihtavuori N150
<<locked>>
90%
57203
90%
**07
100%
Vihtavuori N160
<<locked>>
87%
56637
89%
**69
100%
Vihtavuori N165
<<locked>>
97%
50633
79%
**77
98%
Vihtavuori N550
<<locked>>
87%
56869
89%
**05
100%
Vihtavuori N555 👍
<<locked>>
97%
57072
89%
**38
100%
Vihtavuori N560
<<locked>>
97%
54520
85%
**64
97%
Vihtavuori N565
<<locked>>
97%
46050
72%
**81
95%
Winchester 6.5 StaBALL
<<locked>>
89%
57014
89%
**43
100%
Winchester 760
<<locked>>
85%
56855
89%
**31
100%
Winchester StaBALL HD 👍
<<locked>>
97%
48196
76%
**35
100%
Winchester Supreme 780
<<locked>>
94%
57276
90%
**95
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
51648
81%
**58
100%
[ADI AR 2209]*
<<locked>>
81%
36187
57%
**25
93%
[ADI AR 2213]*
<<locked>>
83%
33924
53%
**82
90%
[ADI AR 2217]*
<<locked>>
92%
34142
53%
**79
90%
[ADI AR 2225]*
<<locked>>
90%
28718
45%
**67
90%
Accurate 2700
<<locked>>
81%
49850
78%
**92
98%
Accurate 3100
<<locked>>
81%
31082
49%
**70
95%
Accurate 4350
<<locked>>
81%
42554
67%
**53
99%
[Accurate MAGPRO]*
<<locked>>
88%
38450
60%
**17
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
52692
83%
**90
100%
Alliant Reloder-16
<<locked>>
81%
41220
65%
**69
100%
Alliant Reloder-17
<<locked>>
81%
47819
75%
**00
100%
[Alliant Reloder-19]*
<<locked>>
81%
35679
56%
**08
93%
[Alliant Reloder-22]*
<<locked>>
81%
31386
49%
**30
91%
Alliant Reloder-23
<<locked>>
81%
30269
47%
**13
98%
[Alliant Reloder-25]*
<<locked>>
81%
26469
41%
**98
92%
Alliant Reloder-26
<<locked>>
81%
32735
51%
**31
97%
[Baschieri & Pellagri 109]*
<<locked>>
89%
42670
67%
**13
90%
[Bofors RP15]*
<<locked>>
82%
30342
48%
**03
90%
Bofors RP3
<<locked>>
81%
53098
83%
**00
100%
[Bofors RP30]*
<<locked>>
90%
31792
50%
**72
90%
[Bofors RP5]*
<<locked>>
81%
31386
49%
**30
91%
Bofors RP7
<<locked>>
81%
46282
73%
**72
98%
[Hodgdon H1000]*
<<locked>>
92%
34142
53%
**79
90%
Hodgdon H414
<<locked>>
81%
48921
77%
**97
99%
Hodgdon H4350
<<locked>>
81%
39827
62%
**57
96%
[Hodgdon H4831]*
<<locked>>
86%
34998
55%
**75
90%
[Hodgdon H4831 SC]*
<<locked>>
82%
34998
55%
**75
90%
Hodgdon Hybrid 100V
<<locked>>
81%
38754
61%
**54
100%
Hodgdon LVR
<<locked>>
81%
45295
71%
**08
99%
[Hodgdon Retumbo]*
<<locked>>
90%
28718
45%
**67
90%
Hodgdon Superperformance
<<locked>>
81%
44179
69%
**38
98%
Hodgdon VARGET
<<locked>>
81%
51343
80%
**58
100%
Hodgdon TrailBoss
<<locked>>
81%
27833
44%
**77
100%
IMR 4064
<<locked>>
81%
50734
80%
**38
100%
IMR 4166 Enduron
<<locked>>
81%
49342
77%
**15
99%
IMR 4350
<<locked>>
81%
41945
66%
**00
97%
IMR 4451 Enduron
<<locked>>
81%
47819
75%
**08
99%
IMR 4831
<<locked>>
81%
36811
58%
**21
98%
[IMR 4955 Enduron]*
<<locked>>
81%
34084
53%
**16
90%
[IMR 7828 SSC]*
<<locked>>
82%
34055
53%
**98
90%
Lovex S065
<<locked>>
81%
45150
71%
**53
99%
Lovex S070
<<locked>>
81%
43352
68%
**30
98%
[Lovex S071]*
<<locked>>
81%
26614
42%
**46
92%
Norma 204
<<locked>>
81%
41553
65%
**33
95%
[Norma MRP]*
<<locked>>
81%
32895
52%
**02
94%
Norma URP
<<locked>>
81%
42395
66%
**53
99%
[Ramshot Grand]*
<<locked>>
81%
33373
52%
**89
90%
Ramshot Hunter
<<locked>>
81%
41133
64%
**36
98%
[Ramshot Magnum]*
<<locked>>
81%
28979
45%
**51
90%
ReloadSwiss RS 14
<<locked>>
81%
28297
44%
**13
100%
ReloadSwiss RS 60
<<locked>>
81%
50763
80%
**59
100%
ReloadSwiss RS 62
<<locked>>
81%
42598
67%
**82
99%
ReloadSwiss RS 70
<<locked>>
81%
41336
65%
**99
99%
[ReloadSwiss RS 76]*
<<locked>>
86%
29022
45%
**00
90%
Rottweil R 903
<<locked>>
81%
50125
79%
**44
100%
[Rottweil R 904]*
<<locked>>
81%
37246
58%
**08
93%
[Rottweil R 905]*
<<locked>>
81%
35012
55%
**98
93%
Rottweil R 907
<<locked>>
81%
46282
73%
**72
98%
SNPE Vectan SP 11
<<locked>>
81%
51561
81%
**04
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
50705
79%
**33
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
43961
69%
**87
98%
Shooters World Long Rifle
<<locked>>
81%
45150
71%
**53
99%
Somchem S355
<<locked>>
81%
50053
78%
**44
100%
[Somchem S361]*
<<locked>>
81%
38145
60%
**92
92%
Somchem S365
<<locked>>
81%
38972
61%
**10
100%
Somchem S385
<<locked>>
81%
35491
56%
**79
95%
Vihtavuori N135
<<locked>>
81%
48544
76%
**33
100%
Vihtavuori N150
<<locked>>
81%
42815
67%
**77
100%
Vihtavuori N160
<<locked>>
81%
45701
72%
**82
100%
[Vihtavuori N165]*
<<locked>>
81%
29776
47%
**18
91%
Vihtavuori N550
<<locked>>
81%
46195
72%
**28
100%
Vihtavuori N555
<<locked>>
81%
33924
53%
**92
98%
[Vihtavuori N560]*
<<locked>>
84%
34795
55%
**31
90%
[Vihtavuori N565]*
<<locked>>
88%
33591
53%
**98
90%
Winchester 6.5 StaBALL
<<locked>>
81%
42873
67%
**13
100%
Winchester 760
<<locked>>
81%
48921
77%
**97
99%
Winchester StaBALL HD
<<locked>>
81%
24772
39%
**84
97%
[Winchester Supreme 780]*
<<locked>>
81%
35447
56%
**75
93%

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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