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Load data for .270 Weath. Mag. + .277 | 140gr | Speer TBBC

Recommended Powder(s): Accurate 3100, Alliant Reloder-22, Alliant Reloder-26, Norma MRP, Somchem S385

.270 Weath. Mag. + .277 | 140gr | Speer TBBC

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.277 | 140gr | Speer TBBC
Manufacturer SKU:
1740
Bullet Weight:
140gr | 9.1g
Bullet Diameter:
0.277" | 7.04mm
Bullet Length:
1.210" | 30.7mm
Caliber:
.270 Weath. Mag. load data
Case Length (l3):
2.549" | 64.7mm
Cartridge Length (C.O.L.):
3.246" | 82.4mm
Seated Depth:
0.513" | 13.0mm
Shank Seated Depth:
0.513" | 13.0mm
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_B6110_C270
Last updated:
2025-01-01

Load data for 142 loads in caliber .270 Weath. Mag. with .277 | 140gr | Speer TBBC bullet and 71 powders such as Accurate 3100, Alliant Reloder-22, Alliant Reloder-26, Norma MRP, Somchem S385. 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 2209
<<locked>>
93%
57145
90%
**45
99%
ADI AR 2213
<<locked>>
97%
57406
90%
**77
98%
[ADI AR 2217]*
<<locked>>
97%
42366
66%
**82
94%
ADI AR 2225
<<locked>>
97%
37579
59%
**33
96%
Accurate 2700
<<locked>>
84%
56826
89%
**10
99%
Accurate 3100 👍
<<locked>>
96%
56985
89%
**82
100%
Accurate 4350
<<locked>>
88%
57290
90%
**09
100%
Accurate MAGPRO
<<locked>>
97%
56898
89%
**81
96%
Alliant Reloder-16
<<locked>>
89%
57232
90%
**45
100%
Alliant Reloder-17
<<locked>>
85%
56840
89%
**38
100%
Alliant Reloder-19
<<locked>>
94%
57174
90%
**35
99%
Alliant Reloder-22 👍
<<locked>>
97%
57087
89%
**77
99%
Alliant Reloder-23
<<locked>>
97%
54375
85%
**95
100%
Alliant Reloder-25
<<locked>>
97%
47427
74%
**40
100%
Alliant Reloder-26 👍
<<locked>>
94%
56710
89%
**14
100%
[Hodgdon H1000]*
<<locked>>
97%
42366
66%
**82
94%
Hodgdon H414
<<locked>>
84%
56869
89%
**28
100%
Hodgdon H4350
<<locked>>
91%
56971
89%
**79
99%
Hodgdon H4831
<<locked>>
97%
53345
84%
**49
97%
Hodgdon H4831 SC
<<locked>>
95%
56521
89%
**02
97%
Hodgdon Hybrid 100V
<<locked>>
91%
57319
90%
**69
100%
Hodgdon LVR
<<locked>>
86%
57217
90%
**12
100%
Hodgdon Retumbo
<<locked>>
97%
37579
59%
**33
96%
Hodgdon Superperformance
<<locked>>
86%
56840
89%
**51
100%
Hodgdon VARGET
<<locked>>
83%
57101
89%
**46
100%
Hodgdon TrailBoss
<<locked>>
96%
34998
55%
**34
100%
IMR 4064
<<locked>>
83%
56797
89%
**27
100%
IMR 4166 Enduron
<<locked>>
84%
56956
89%
**40
100%
IMR 4350
<<locked>>
89%
56637
89%
**76
100%
IMR 4451 Enduron
<<locked>>
86%
57435
90%
**72
100%
IMR 4831
<<locked>>
93%
56927
89%
**89
100%
IMR 4955 Enduron
<<locked>>
96%
56898
89%
**72
98%
IMR 7828 SSC
<<locked>>
96%
57029
89%
**91
98%
Lovex S065
<<locked>>
87%
57072
89%
**53
100%
Lovex S070
<<locked>>
88%
57348
90%
**79
100%
Lovex S071
<<locked>>
97%
48124
75%
**38
99%
Norma 204
<<locked>>
89%
57203
90%
**15
99%
[Norma 217]*
<<locked>>
97%
33359
52%
**48
94%
Norma MRP 👍
<<locked>>
94%
56579
89%
**00
100%
Norma URP
<<locked>>
89%
57406
90%
**15
100%
Ramshot Hunter
<<locked>>
89%
56492
89%
**18
100%
Ramshot Magnum
<<locked>>
97%
56246
88%
**45
99%
ReloadSwiss RS 14
<<locked>>
97%
36143
57%
**83
100%
ReloadSwiss RS 60
<<locked>>
86%
57392
90%
**71
100%
ReloadSwiss RS 62
<<locked>>
87%
56536
89%
**12
100%
ReloadSwiss RS 70
<<locked>>
89%
56869
89%
**74
100%
ReloadSwiss RS 76
<<locked>>
97%
46296
73%
**79
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
41611
65%
**31
93%
Rottweil R 903
<<locked>>
83%
56695
89%
**36
100%
Rottweil R 904
<<locked>>
92%
56913
89%
**82
98%
Rottweil R 905
<<locked>>
94%
56710
89%
**31
99%
Rottweil R 907
<<locked>>
86%
56768
89%
**59
99%
SNPE Vectan Tubal 5000
<<locked>>
83%
56623
89%
**08
100%
SNPE Vectan Tubal 7000
<<locked>>
87%
57072
89%
**07
100%
Shooters World Long Rifle
<<locked>>
87%
57072
89%
**53
100%
Somchem S355
<<locked>>
84%
57159
90%
**46
100%
Somchem S361
<<locked>>
92%
56797
89%
**49
97%
Somchem S365
<<locked>>
91%
57217
90%
**05
100%
Somchem S385 👍
<<locked>>
94%
57072
89%
**02
100%
Vihtavuori N135
<<locked>>
85%
57276
90%
**58
100%
Vihtavuori N150
<<locked>>
89%
57174
90%
**04
100%
Vihtavuori N160
<<locked>>
86%
57087
89%
**72
100%
Vihtavuori N165
<<locked>>
97%
53490
84%
**23
99%
Vihtavuori N550
<<locked>>
86%
57159
90%
**09
100%
Vihtavuori N555
<<locked>>
95%
57159
90%
**35
100%
Vihtavuori N560
<<locked>>
97%
57116
89%
**94
98%
Vihtavuori N565
<<locked>>
97%
49763
78%
**53
97%
[Vihtavuori N568]*
<<locked>>
97%
42728
67%
**41
92%
Winchester 6.5 StaBALL
<<locked>>
88%
56782
89%
**36
100%
Winchester 760
<<locked>>
84%
56869
89%
**28
100%
Winchester StaBALL HD
<<locked>>
97%
51242
80%
**74
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2209]*
<<locked>>
81%
38043
60%
**64
94%
[ADI AR 2213]*
<<locked>>
81%
33939
53%
**82
90%
[ADI AR 2217]*
<<locked>>
90%
33968
53%
**72
90%
[ADI AR 2225]*
<<locked>>
88%
28776
45%
**57
90%
Accurate 2700
<<locked>>
81%
52214
82%
**38
99%
Accurate 3100
<<locked>>
81%
33968
53%
**39
96%
Accurate 4350
<<locked>>
81%
45455
71%
**02
100%
[Accurate MAGPRO]*
<<locked>>
85%
37898
59%
**03
90%
Alliant Reloder-16
<<locked>>
81%
43598
68%
**18
100%
Alliant Reloder-17
<<locked>>
81%
50343
79%
**36
100%
[Alliant Reloder-19]*
<<locked>>
81%
37942
59%
**64
94%
[Alliant Reloder-22]*
<<locked>>
81%
33721
53%
**92
93%
Alliant Reloder-23
<<locked>>
81%
32401
51%
**69
99%
[Alliant Reloder-25]*
<<locked>>
81%
28369
44%
**54
93%
Alliant Reloder-26
<<locked>>
81%
35375
55%
**00
98%
[Hodgdon H1000]*
<<locked>>
90%
33968
53%
**72
90%
Hodgdon H414
<<locked>>
81%
51329
80%
**33
99%
Hodgdon H4350
<<locked>>
81%
41771
65%
**00
97%
[Hodgdon H4831]*
<<locked>>
83%
34577
54%
**56
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
35549
56%
**75
91%
Hodgdon Hybrid 100V
<<locked>>
81%
40959
64%
**90
100%
Hodgdon LVR
<<locked>>
81%
47892
75%
**54
100%
[Hodgdon Retumbo]*
<<locked>>
88%
28776
45%
**57
90%
Hodgdon Superperformance
<<locked>>
81%
46557
73%
**77
98%
Hodgdon VARGET
<<locked>>
81%
53214
83%
**84
100%
Hodgdon TrailBoss
<<locked>>
81%
28181
44%
**83
100%
IMR 4064
<<locked>>
81%
52910
83%
**71
100%
IMR 4166 Enduron
<<locked>>
81%
51634
81%
**51
99%
IMR 4350
<<locked>>
81%
43932
69%
**40
97%
IMR 4451 Enduron
<<locked>>
81%
50024
78%
**48
99%
IMR 4831
<<locked>>
81%
39436
62%
**74
99%
[IMR 4955 Enduron]*
<<locked>>
81%
35984
56%
**59
91%
[IMR 7828 SSC]*
<<locked>>
81%
34809
55%
**18
91%
Lovex S065
<<locked>>
81%
47239
74%
**82
99%
Lovex S070
<<locked>>
81%
45658
72%
**79
98%
[Lovex S071]*
<<locked>>
81%
29109
46%
**05
94%
Norma 204
<<locked>>
81%
43816
69%
**79
96%
[Norma 217]*
<<locked>>
92%
28500
45%
**90
90%
Norma MRP
<<locked>>
81%
35230
55%
**57
95%
Norma URP
<<locked>>
81%
44556
70%
**95
100%
Ramshot Hunter
<<locked>>
81%
43627
68%
**85
99%
[Ramshot Magnum]*
<<locked>>
81%
31256
49%
**16
92%
ReloadSwiss RS 14
<<locked>>
81%
28718
45%
**22
100%
ReloadSwiss RS 60
<<locked>>
81%
48486
76%
**40
100%
ReloadSwiss RS 62
<<locked>>
81%
45324
71%
**22
100%
ReloadSwiss RS 70
<<locked>>
81%
43468
68%
**41
99%
[ReloadSwiss RS 76]*
<<locked>>
83%
29051
46%
**97
90%
[ReloadSwiss RS 80]*
<<locked>>
93%
36318
57%
**03
90%
Rottweil R 903
<<locked>>
81%
52678
83%
**84
100%
[Rottweil R 904]*
<<locked>>
81%
39566
62%
**51
94%
[Rottweil R 905]*
<<locked>>
81%
37275
58%
**48
94%
Rottweil R 907
<<locked>>
81%
48399
76%
**15
98%
SNPE Vectan Tubal 5000
<<locked>>
81%
52678
83%
**59
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
46644
73%
**36
99%
Shooters World Long Rifle
<<locked>>
81%
47239
74%
**82
99%
Somchem S355
<<locked>>
81%
52359
82%
**71
100%
[Somchem S361]*
<<locked>>
81%
40132
63%
**38
93%
Somchem S365
<<locked>>
81%
41539
65%
**53
100%
Somchem S385
<<locked>>
81%
37971
59%
**31
96%
Vihtavuori N135
<<locked>>
81%
50995
80%
**69
100%
Vihtavuori N150
<<locked>>
81%
45237
71%
**20
100%
Vihtavuori N160
<<locked>>
81%
47892
75%
**22
100%
[Vihtavuori N165]*
<<locked>>
81%
31734
50%
**70
92%
Vihtavuori N550
<<locked>>
81%
48660
76%
**67
100%
Vihtavuori N555
<<locked>>
81%
36376
57%
**48
99%
[Vihtavuori N560]*
<<locked>>
81%
34418
54%
**21
90%
[Vihtavuori N565]*
<<locked>>
85%
33083
52%
**79
90%
[Vihtavuori N568]*
<<locked>>
93%
38029
60%
**33
90%
Winchester 6.5 StaBALL
<<locked>>
81%
45107
71%
**56
100%
Winchester 760
<<locked>>
81%
51329
80%
**33
99%
Winchester StaBALL HD
<<locked>>
81%
27630
43%
**66
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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