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Load data for .270 Win. + .277 | 140gr | Winchester FailSafe

Recommended Powder(s): Alliant Reloder-16, Hodgdon H414, ReloadSwiss RS 62, ReloadSwiss RS 70, Winchester 760

.270 Win. + .277 | 140gr | Winchester FailSafe

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.277 | 140gr | Winchester FailSafe
Bullet Weight:
140gr | 9.1g
Bullet Diameter:
0.277" | 7.04mm
Bullet Length:
1.200" | 30.5mm
Caliber:
.270 Win. load data
Case Length (l3):
2.540" | 64.5mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.450" | 11.4mm
Shank Seated Depth:
0.450" | 11.4mm
Case Capacity:
67.0 Grains of Water | 4.35 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B6620_C271
Last updated:
2025-02-02

Load data for 162 loads in caliber .270 Win. with .277 | 140gr | Winchester FailSafe bullet and 81 powders such as Alliant Reloder-16, Hodgdon H414, ReloadSwiss RS 62, ReloadSwiss RS 70, Winchester 760. 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".

  • Muzzle velocity vs. barrel length

    Every 1 inch additional barrel length increases muzzle velocity by approx. 31.2 fps

  • 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.

    .

    Loading_icon.gif

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>>
87%
55071
88%
**28
100%
ADI AR 2209
<<locked>>
97%
51126
82%
**48
96%
[ADI AR 2213]*
<<locked>>
97%
46485
75%
**72
93%
Accurate 2700
<<locked>>
89%
55695
89%
**85
98%
Accurate 3100
<<locked>>
97%
44512
71%
**00
98%
Accurate 4064
<<locked>>
86%
55216
89%
**02
100%
Accurate 4350
<<locked>>
94%
55724
89%
**04
100%
Alliant Reloder- TS 15.5
<<locked>>
87%
55347
89%
**44
100%
Alliant Reloder-15
<<locked>>
85%
56086
90%
**67
100%
Alliant Reloder-16 👍
<<locked>>
96%
56115
90%
**56
100%
Alliant Reloder-17
<<locked>>
90%
55100
88%
**53
100%
Alliant Reloder-19
<<locked>>
97%
50241
81%
**28
96%
Alliant Reloder-22
<<locked>>
97%
44831
72%
**79
95%
Alliant Reloder-23
<<locked>>
96%
42018
67%
**20
100%
Alliant Reloder-25
<<locked>>
97%
36999
59%
**25
96%
Alliant Reloder-26
<<locked>>
97%
47210
76%
**87
99%
Hodgdon CFE223
<<locked>>
86%
55463
89%
**97
100%
Hodgdon H380
<<locked>>
86%
55172
88%
**48
100%
Hodgdon H414 👍
<<locked>>
90%
56072
90%
**23
99%
Hodgdon H4350
<<locked>>
96%
55216
89%
**51
98%
[Hodgdon H4831 SC]*
<<locked>>
97%
48544
78%
**66
93%
Hodgdon Hybrid 100V
<<locked>>
97%
54476
87%
**54
100%
Hodgdon LVR
<<locked>>
92%
55767
89%
**07
100%
Hodgdon Superperformance
<<locked>>
93%
55985
90%
**56
99%
Hodgdon VARGET
<<locked>>
88%
55608
89%
**35
100%
Hodgdon TrailBoss
<<locked>>
96%
34301
55%
**22
100%
IMR 3031
<<locked>>
85%
55695
89%
**15
100%
IMR 4064
<<locked>>
89%
55985
90%
**31
100%
IMR 4166 Enduron
<<locked>>
89%
56043
90%
**22
99%
IMR 4350
<<locked>>
95%
55564
89%
**54
98%
IMR 4451 Enduron
<<locked>>
90%
55622
89%
**41
99%
IMR 4831
<<locked>>
97%
51576
83%
**25
100%
IMR 4895
<<locked>>
84%
55506
89%
**67
100%
[IMR 4955 Enduron]*
<<locked>>
97%
48472
78%
**33
94%
[IMR 7828 SSC]*
<<locked>>
97%
47079
75%
**02
94%
Lovex S060
<<locked>>
83%
56115
90%
**92
100%
Lovex S062
<<locked>>
86%
55970
90%
**25
100%
Lovex S065
<<locked>>
92%
55970
90%
**44
99%
Lovex S070
<<locked>>
93%
55434
89%
**54
99%
Lovex S071
<<locked>>
97%
37623
60%
**62
96%
Norma 203B
<<locked>>
85%
55259
89%
**54
100%
Norma 204
<<locked>>
95%
55854
90%
**97
97%
Norma MRP
<<locked>>
97%
46804
75%
**44
97%
Norma URP
<<locked>>
95%
55637
89%
**04
100%
Ramshot Big Game
<<locked>>
85%
55347
89%
**71
100%
Ramshot Hunter
<<locked>>
95%
55405
89%
**17
99%
Ramshot Magnum
<<locked>>
97%
43395
70%
**17
95%
ReloadSwiss RS 14
<<locked>>
96%
34838
56%
**62
100%
ReloadSwiss RS 50
<<locked>>
86%
55274
89%
**38
99%
ReloadSwiss RS 52
<<locked>>
85%
55245
89%
**71
100%
ReloadSwiss RS 60
<<locked>>
92%
55245
89%
**76
100%
ReloadSwiss RS 62 👍
<<locked>>
94%
55332
89%
**23
100%
ReloadSwiss RS 70 👍
<<locked>>
95%
55463
89%
**72
100%
Rottweil R 902
<<locked>>
85%
55492
89%
**99
100%
Rottweil R 903
<<locked>>
89%
55796
89%
**48
100%
Rottweil R 904
<<locked>>
97%
53272
85%
**25
96%
Rottweil R 905
<<locked>>
97%
49705
80%
**22
96%
Rottweil R 907
<<locked>>
91%
55869
90%
**38
98%
SNPE Vectan SP 11
<<locked>>
88%
55651
89%
**84
100%
SNPE Vectan SP 9
<<locked>>
83%
55593
89%
**41
100%
SNPE Vectan Tubal 5000
<<locked>>
88%
55477
89%
**17
100%
SNPE Vectan Tubal 7000
<<locked>>
92%
55303
89%
**85
99%
Shooters World Long Rifle
<<locked>>
92%
55970
90%
**44
99%
Shooters World Precision
<<locked>>
86%
55970
90%
**25
100%
Somchem S355
<<locked>>
89%
55869
90%
**48
100%
Somchem S361
<<locked>>
97%
55013
88%
**12
95%
Somchem S365
<<locked>>
97%
54491
87%
**13
100%
Somchem S385
<<locked>>
97%
50894
82%
**05
97%
Vihtavuori N133
<<locked>>
85%
55637
89%
**07
100%
Vihtavuori N135
<<locked>>
90%
55941
90%
**62
100%
Vihtavuori N140
<<locked>>
85%
55709
89%
**69
100%
Vihtavuori N150
<<locked>>
94%
55680
89%
**08
100%
Vihtavuori N160
<<locked>>
92%
55796
89%
**64
100%
Vihtavuori N165
<<locked>>
97%
42090
67%
**31
95%
Vihtavuori N540
<<locked>>
85%
55085
88%
**92
100%
Vihtavuori N550
<<locked>>
92%
55985
90%
**13
100%
Vihtavuori N555
<<locked>>
97%
47152
76%
**05
100%
[Vihtavuori N560]*
<<locked>>
97%
45034
72%
**79
92%
Winchester 6.5 StaBALL
<<locked>>
93%
55608
89%
**41
100%
Winchester 760 👍
<<locked>>
90%
56072
90%
**23
99%
Winchester StaBALL HD
<<locked>>
97%
34795
56%
**46
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
45455
73%
**61
99%
[ADI AR 2209]*
<<locked>>
84%
34592
55%
**90
90%
[ADI AR 2213]*
<<locked>>
92%
39378
63%
**18
90%
Accurate 2700
<<locked>>
81%
43743
70%
**82
95%
[Accurate 3100]*
<<locked>>
81%
26455
42%
**77
90%
Accurate 4064
<<locked>>
81%
48008
77%
**00
100%
Accurate 4350
<<locked>>
81%
36143
58%
**39
97%
Alliant Reloder- TS 15.5
<<locked>>
81%
45527
73%
**84
100%
Alliant Reloder-15
<<locked>>
81%
48849
78%
**53
100%
Alliant Reloder-16
<<locked>>
81%
35433
57%
**52
97%
Alliant Reloder-17
<<locked>>
81%
39697
64%
**74
99%
[Alliant Reloder-19]*
<<locked>>
84%
33852
54%
**74
90%
[Alliant Reloder-22]*
<<locked>>
88%
33968
54%
**20
90%
[Alliant Reloder-23]*
<<locked>>
81%
26092
42%
**03
94%
[Alliant Reloder-25]*
<<locked>>
88%
28268
45%
**65
90%
[Alliant Reloder-26]*
<<locked>>
81%
27615
44%
**98
91%
Hodgdon CFE223
<<locked>>
81%
47587
76%
**66
99%
Hodgdon H380
<<locked>>
81%
46137
74%
**00
99%
Hodgdon H414
<<locked>>
81%
41437
66%
**57
96%
[Hodgdon H4350]*
<<locked>>
81%
34664
56%
**44
92%
[Hodgdon H4831 SC]*
<<locked>>
91%
40030
64%
**92
90%
Hodgdon Hybrid 100V
<<locked>>
81%
33098
53%
**51
98%
Hodgdon LVR
<<locked>>
81%
38783
62%
**92
97%
[Hodgdon Superperformance]*
<<locked>>
81%
37231
60%
**85
93%
Hodgdon VARGET
<<locked>>
81%
44976
72%
**51
99%
Hodgdon TrailBoss
<<locked>>
88%
30516
49%
**47
100%
IMR 3031
<<locked>>
81%
49908
80%
**33
100%
IMR 4064
<<locked>>
81%
44643
72%
**41
99%
IMR 4166 Enduron
<<locked>>
81%
44034
71%
**08
96%
[IMR 4350]*
<<locked>>
81%
36013
58%
**84
93%
IMR 4451 Enduron
<<locked>>
81%
42105
68%
**95
96%
IMR 4831
<<locked>>
81%
31633
51%
**15
95%
IMR 4895
<<locked>>
81%
49995
80%
**85
100%
[IMR 4955 Enduron]*
<<locked>>
90%
39276
63%
**46
90%
[IMR 7828 SSC]*
<<locked>>
91%
39436
63%
**28
90%
Lovex S060
<<locked>>
81%
52315
84%
**40
100%
Lovex S062
<<locked>>
81%
47906
77%
**94
100%
Lovex S065
<<locked>>
81%
39552
63%
**49
97%
Lovex S070
<<locked>>
81%
37739
61%
**26
95%
[Lovex S071]*
<<locked>>
86%
26455
42%
**77
90%
Norma 203B
<<locked>>
81%
48051
77%
**36
100%
[Norma 204]*
<<locked>>
81%
35636
57%
**03
91%
[Norma MRP]*
<<locked>>
84%
30647
49%
**57
90%
Norma URP
<<locked>>
81%
36158
58%
**46
97%
Ramshot Big Game
<<locked>>
81%
48298
77%
**62
100%
[Ramshot Hunter]*
<<locked>>
81%
35128
56%
**30
94%
[Ramshot Magnum]*
<<locked>>
90%
33504
54%
**87
90%
ReloadSwiss RS 14
<<locked>>
84%
29544
47%
**54
100%
ReloadSwiss RS 50
<<locked>>
81%
46630
75%
**87
98%
ReloadSwiss RS 52
<<locked>>
81%
47819
77%
**53
100%
ReloadSwiss RS 60
<<locked>>
81%
38609
62%
**61
100%
ReloadSwiss RS 62
<<locked>>
81%
35650
57%
**56
96%
ReloadSwiss RS 70
<<locked>>
81%
34940
56%
**49
95%
Rottweil R 902
<<locked>>
81%
49922
80%
**10
100%
Rottweil R 903
<<locked>>
81%
43207
69%
**41
100%
[Rottweil R 904]*
<<locked>>
86%
37478
60%
**13
90%
[Rottweil R 905]*
<<locked>>
84%
33286
53%
**67
90%
Rottweil R 907
<<locked>>
81%
40843
65%
**69
95%
SNPE Vectan SP 11
<<locked>>
81%
44193
71%
**97
100%
SNPE Vectan SP 9
<<locked>>
81%
51953
83%
**82
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
44541
71%
**56
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
38899
62%
**93
95%
Shooters World Long Rifle
<<locked>>
81%
39552
63%
**49
97%
Shooters World Precision
<<locked>>
81%
47906
77%
**94
100%
Somchem S355
<<locked>>
81%
43642
70%
**41
100%
[Somchem S361]*
<<locked>>
87%
39523
63%
**36
90%
Somchem S365
<<locked>>
81%
32314
52%
**90
99%
[Somchem S385]*
<<locked>>
81%
30806
49%
**85
90%
Vihtavuori N133
<<locked>>
81%
50024
80%
**28
100%
Vihtavuori N135
<<locked>>
81%
42467
68%
**59
100%
Vihtavuori N140
<<locked>>
81%
49226
79%
**77
100%
Vihtavuori N150
<<locked>>
81%
37434
60%
**93
100%
Vihtavuori N160
<<locked>>
81%
38899
62%
**69
98%
[Vihtavuori N165]*
<<locked>>
88%
32329
52%
**11
90%
Vihtavuori N540
<<locked>>
81%
48907
78%
**97
100%
Vihtavuori N550
<<locked>>
81%
39378
63%
**05
98%
[Vihtavuori N555]*
<<locked>>
81%
28210
45%
**79
94%
[Vihtavuori N560]*
<<locked>>
93%
39842
64%
**64
90%
Winchester 6.5 StaBALL
<<locked>>
81%
36666
59%
**13
99%
Winchester 760
<<locked>>
81%
41437
66%
**57
96%
[Winchester StaBALL HD]*
<<locked>>
81%
23235
37%
**51
91%

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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