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

Recommended Powder(s): Hodgdon H414, Hodgdon Superperformance, ReloadSwiss RS 62, ReloadSwiss RS 70, Winchester 760

.270 Win. Ackley Improved + .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:
<<locked>>
Caliber:
.270 Win. Ackley Improved load data
Case Length (l3):
2.540" | 64.5mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
70.0 Grains of Water | 4.55 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
72519 psi | 5000 bar
LID:
LID_B6620_C272
Last updated:
2026-01-20

Load data for 228 loads in caliber .270 Win. Ackley Improved with .277 | 140gr | Winchester FailSafe bullet and 114 powders such as Hodgdon H414, Hodgdon Superperformance, 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".

  • 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 APS 450
<<locked>>
86%
64614
89%
**87
101%
ADI AR 2206H
<<locked>>
86%
64571
89%
**95
100%
ADI AR 2208
<<locked>>
91%
64861
89%
**79
100%
ADI AR 2209
<<locked>>
96%
53664
74%
**10
97%
ADI AR 2213
<<locked>>
97%
48602
67%
**44
95%
Accurate 2200
<<locked>>
85%
64788
89%
**69
100%
Accurate 2495
<<locked>>
84%
64861
89%
**10
100%
Accurate 2520
<<locked>>
83%
64759
89%
**49
100%
Accurate 2700
<<locked>>
92%
64324
89%
**33
99%
Accurate 3100
<<locked>>
96%
47166
65%
**62
98%
Accurate 4064
<<locked>>
89%
64817
89%
**36
100%
Accurate 4350
<<locked>>
96%
64788
89%
**41
100%
[Accurate MAGPRO]*
<<locked>>
97%
46746
64%
**38
92%
Alliant AR-Comp
<<locked>>
83%
64266
89%
**77
100%
Alliant Power Pro 2000-MR
<<locked>>
87%
64368
89%
**17
100%
Alliant Reloder- TS 15.5
<<locked>>
91%
64745
89%
**89
100%
Alliant Reloder-15
<<locked>>
89%
64600
89%
**12
100%
Alliant Reloder-16
<<locked>>
97%
61554
85%
**54
100%
Alliant Reloder-17
<<locked>>
93%
64353
89%
**91
100%
Alliant Reloder-19
<<locked>>
96%
53156
73%
**07
97%
Alliant Reloder-22
<<locked>>
97%
47514
66%
**48
96%
Alliant Reloder-23
<<locked>>
97%
44918
62%
**92
100%
Alliant Reloder-25
<<locked>>
96%
39131
54%
**00
97%
Alliant Reloder-26
<<locked>>
97%
51155
71%
**82
100%
Baschieri & Pellagri 107
<<locked>>
86%
65253
90%
**22
100%
Bofors RP15
<<locked>>
96%
43308
60%
**56
95%
Bofors RP3
<<locked>>
90%
64498
89%
**86
100%
Bofors RP5
<<locked>>
97%
47514
66%
**48
96%
Bofors RP7
<<locked>>
95%
64542
89%
**89
99%
Hodgdon BL-C2
<<locked>>
84%
65050
90%
**99
100%
Hodgdon Benchmark
<<locked>>
84%
64977
90%
**10
100%
Hodgdon CFE223
<<locked>>
88%
64208
89%
**35
100%
Hodgdon H380
<<locked>>
90%
64571
89%
**05
100%
Hodgdon H414 👍
<<locked>>
92%
64281
89%
**64
100%
Hodgdon H4350
<<locked>>
97%
58494
81%
**20
99%
[Hodgdon H4831]*
<<locked>>
97%
45005
62%
**26
93%
Hodgdon H4831 SC
<<locked>>
97%
50952
70%
**38
95%
Hodgdon Hybrid 100V
<<locked>>
97%
58117
80%
**20
100%
Hodgdon LVR
<<locked>>
95%
65253
90%
**48
100%
Hodgdon Superperformance 👍
<<locked>>
95%
64687
89%
**00
100%
Hodgdon VARGET
<<locked>>
92%
64527
89%
**76
100%
Hodgdon TrailBoss
<<locked>>
97%
34998
48%
**59
100%
IMR 3031
<<locked>>
88%
64629
89%
**46
100%
IMR 4064
<<locked>>
92%
65195
90%
**72
100%
IMR 4166 Enduron
<<locked>>
93%
64585
89%
**69
100%
IMR 4350
<<locked>>
96%
61438
85%
**63
99%
IMR 4451 Enduron
<<locked>>
94%
64745
89%
**95
100%
IMR 4831
<<locked>>
97%
54375
75%
**90
100%
IMR 4895
<<locked>>
88%
65166
90%
**25
100%
IMR 4955 Enduron
<<locked>>
97%
50285
69%
**92
95%
IMR 7828 SSC
<<locked>>
97%
49342
68%
**67
95%
IMR 8208 XBR
<<locked>>
85%
64977
90%
**56
100%
Lovex D073.6
<<locked>>
86%
65224
90%
**53
100%
Lovex S060
<<locked>>
87%
65108
90%
**36
100%
Lovex S062
<<locked>>
90%
65006
90%
**63
100%
Lovex S065
<<locked>>
96%
64542
89%
**86
100%
Lovex S070
<<locked>>
96%
63918
88%
**95
100%
Lovex S071
<<locked>>
97%
39943
55%
**28
97%
Norma 201
<<locked>>
86%
64411
89%
**43
100%
Norma 202
<<locked>>
86%
65108
90%
**40
100%
Norma 203B
<<locked>>
89%
64701
89%
**05
100%
Norma 204
<<locked>>
97%
62787
87%
**28
99%
Norma MRP
<<locked>>
97%
50227
69%
**27
98%
Norma URP
<<locked>>
96%
62453
86%
**22
100%
Ramshot Big Game
<<locked>>
89%
65253
90%
**28
100%
Ramshot Grand
<<locked>>
97%
52765
73%
**49
96%
Ramshot Hunter
<<locked>>
97%
61322
85%
**31
100%
Ramshot Magnum
<<locked>>
97%
45687
63%
**92
96%
Ramshot TAC
<<locked>>
84%
64324
89%
**82
100%
Ramshot Wild Boar
<<locked>>
85%
65209
90%
**99
100%
ReloadSwiss RS 14
<<locked>>
96%
35462
49%
**98
100%
ReloadSwiss RS 50
<<locked>>
90%
65108
90%
**99
100%
ReloadSwiss RS 52
<<locked>>
86%
64643
89%
**68
100%
ReloadSwiss RS 60
<<locked>>
92%
64730
89%
**94
100%
ReloadSwiss RS 62 👍
<<locked>>
97%
64701
89%
**68
100%
ReloadSwiss RS 70 👍
<<locked>>
97%
62932
87%
**00
100%
[ReloadSwiss RS 76]*
<<locked>>
97%
38218
53%
**03
94%
Rottweil R 901
<<locked>>
84%
64658
89%
**07
100%
Rottweil R 902
<<locked>>
88%
64745
89%
**40
100%
Rottweil R 903
<<locked>>
92%
65064
90%
**89
100%
Rottweil R 904
<<locked>>
97%
55579
77%
**84
97%
Rottweil R 905
<<locked>>
97%
52837
73%
**90
97%
Rottweil R 907
<<locked>>
95%
64542
89%
**89
99%
SNPE Vectan SP 11
<<locked>>
91%
65006
90%
**28
100%
SNPE Vectan SP 7
<<locked>>
85%
64934
90%
**76
100%
SNPE Vectan SP 9
<<locked>>
87%
64846
89%
**86
100%
SNPE Vectan Tubal 3000
<<locked>>
86%
64179
88%
**58
100%
SNPE Vectan Tubal 5000
<<locked>>
92%
64324
89%
**48
100%
SNPE Vectan Tubal 7000
<<locked>>
96%
64875
89%
**46
100%
Shooters World Long Rifle
<<locked>>
96%
64542
89%
**86
100%
Shooters World Match Rifle
<<locked>>
86%
65224
90%
**53
100%
Shooters World Precision
<<locked>>
90%
65006
90%
**63
100%
Somchem S335
<<locked>>
86%
64629
89%
**67
100%
Somchem S341
<<locked>>
85%
64455
89%
**63
100%
Somchem S355
<<locked>>
92%
64963
90%
**82
100%
Somchem S361
<<locked>>
97%
57551
79%
**81
96%
Somchem S365
<<locked>>
96%
57827
80%
**66
100%
Somchem S385
<<locked>>
97%
53417
74%
**71
98%
Vihtavuori N130
<<locked>>
83%
64701
89%
**25
100%
Vihtavuori N133
<<locked>>
89%
65079
90%
**41
100%
Vihtavuori N135
<<locked>>
94%
64992
90%
**94
100%
Vihtavuori N140
<<locked>>
89%
65253
90%
**10
100%
Vihtavuori N150
<<locked>>
97%
63019
87%
**20
100%
Vihtavuori N160
<<locked>>
95%
65166
90%
**09
100%
Vihtavuori N165
<<locked>>
96%
44150
61%
**94
96%
Vihtavuori N530
<<locked>>
83%
65151
90%
**66
100%
Vihtavuori N540
<<locked>>
88%
64513
89%
**30
100%
Vihtavuori N550
<<locked>>
94%
64121
88%
**41
100%
Vihtavuori N555
<<locked>>
97%
50227
69%
**71
100%
[Vihtavuori N560]*
<<locked>>
97%
47369
65%
**54
94%
[Vihtavuori N565]*
<<locked>>
97%
39987
55%
**00
92%
Winchester 6.5 StaBALL
<<locked>>
96%
64745
89%
**79
100%
Winchester 760 👍
<<locked>>
92%
64281
89%
**64
100%
Winchester StaBALL HD
<<locked>>
97%
38145
53%
**28
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
81%
59306
82%
**15
100%
ADI AR 2206H
<<locked>>
81%
55825
77%
**71
100%
ADI AR 2208
<<locked>>
81%
47340
65%
**20
100%
[ADI AR 2209]*
<<locked>>
82%
33359
46%
**77
90%
[ADI AR 2213]*
<<locked>>
89%
38218
53%
**15
90%
Accurate 2200
<<locked>>
81%
57435
79%
**71
100%
Accurate 2495
<<locked>>
81%
59321
82%
**48
100%
Accurate 2520
<<locked>>
81%
59625
82%
**84
100%
Accurate 2700
<<locked>>
81%
45571
63%
**44
96%
[Accurate 3100]*
<<locked>>
81%
28311
39%
**36
92%
Accurate 4064
<<locked>>
81%
50227
69%
**46
100%
Accurate 4350
<<locked>>
81%
38334
53%
**12
98%
[Accurate MAGPRO]*
<<locked>>
94%
42264
58%
**36
90%
Alliant AR-Comp
<<locked>>
81%
59973
83%
**31
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
52373
72%
**36
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
47863
66%
**46
100%
Alliant Reloder-15
<<locked>>
81%
51111
70%
**08
100%
Alliant Reloder-16
<<locked>>
81%
37391
52%
**18
98%
Alliant Reloder-17
<<locked>>
81%
42351
58%
**43
100%
[Alliant Reloder-19]*
<<locked>>
82%
33199
46%
**77
90%
[Alliant Reloder-22]*
<<locked>>
85%
32692
45%
**03
90%
Alliant Reloder-23
<<locked>>
81%
27485
38%
**69
95%
[Alliant Reloder-25]*
<<locked>>
85%
27354
38%
**52
90%
[Alliant Reloder-26]*
<<locked>>
81%
29327
40%
**74
93%
Baschieri & Pellagri 107
<<locked>>
81%
55535
77%
**81
100%
[Bofors RP15]*
<<locked>>
88%
33098
46%
**10
90%
Bofors RP3
<<locked>>
81%
48414
67%
**56
100%
[Bofors RP5]*
<<locked>>
85%
32692
45%
**03
90%
Bofors RP7
<<locked>>
81%
42525
59%
**21
96%
Hodgdon BL-C2
<<locked>>
81%
58798
81%
**13
100%
Hodgdon Benchmark
<<locked>>
81%
58813
81%
**35
100%
Hodgdon CFE223
<<locked>>
81%
49908
69%
**25
100%
Hodgdon H380
<<locked>>
81%
48486
67%
**62
99%
Hodgdon H414
<<locked>>
81%
43482
60%
**26
97%
[Hodgdon H4350]*
<<locked>>
81%
36230
50%
**07
93%
[Hodgdon H4831]*
<<locked>>
92%
38653
53%
**85
90%
[Hodgdon H4831 SC]*
<<locked>>
88%
38653
53%
**85
90%
Hodgdon Hybrid 100V
<<locked>>
81%
34867
48%
**10
99%
Hodgdon LVR
<<locked>>
81%
41118
57%
**64
98%
Hodgdon Superperformance
<<locked>>
81%
39189
54%
**54
95%
Hodgdon VARGET
<<locked>>
81%
46891
65%
**13
100%
Hodgdon TrailBoss
<<locked>>
86%
29863
41%
**54
100%
IMR 3031
<<locked>>
81%
52460
72%
**85
100%
IMR 4064
<<locked>>
81%
46470
64%
**97
100%
IMR 4166 Enduron
<<locked>>
81%
45847
63%
**64
97%
[IMR 4350]*
<<locked>>
81%
38058
52%
**46
94%
IMR 4451 Enduron
<<locked>>
81%
43845
60%
**48
97%
IMR 4831
<<locked>>
81%
33460
46%
**77
96%
IMR 4895
<<locked>>
81%
52489
72%
**44
100%
[IMR 4955 Enduron]*
<<locked>>
87%
37434
52%
**26
90%
[IMR 7828 SSC]*
<<locked>>
88%
37579
52%
**18
90%
IMR 8208 XBR
<<locked>>
81%
57957
80%
**67
100%
Lovex D073.6
<<locked>>
81%
56057
77%
**44
100%
Lovex S060
<<locked>>
81%
54244
75%
**85
100%
Lovex S062
<<locked>>
81%
49980
69%
**49
100%
Lovex S065
<<locked>>
81%
41539
57%
**08
97%
Lovex S070
<<locked>>
81%
39494
54%
**79
96%
[Lovex S071]*
<<locked>>
83%
26252
36%
**77
90%
Norma 201
<<locked>>
81%
54520
75%
**15
100%
Norma 202
<<locked>>
81%
55158
76%
**12
100%
Norma 203B
<<locked>>
81%
50618
70%
**99
100%
[Norma 204]*
<<locked>>
81%
37449
52%
**69
92%
[Norma MRP]*
<<locked>>
82%
30182
42%
**61
90%
Norma URP
<<locked>>
81%
37956
52%
**98
98%
Ramshot Big Game
<<locked>>
81%
50778
70%
**25
100%
[Ramshot Grand]*
<<locked>>
87%
37086
51%
**15
90%
Ramshot Hunter
<<locked>>
81%
36999
51%
**92
96%
[Ramshot Magnum]*
<<locked>>
87%
32169
44%
**77
90%
Ramshot TAC
<<locked>>
81%
57479
79%
**81
100%
Ramshot Wild Boar
<<locked>>
81%
58247
80%
**04
100%
ReloadSwiss RS 14
<<locked>>
81%
28253
39%
**47
100%
ReloadSwiss RS 50
<<locked>>
81%
48675
67%
**53
98%
ReloadSwiss RS 52
<<locked>>
81%
55361
76%
**33
100%
ReloadSwiss RS 60
<<locked>>
81%
44831
62%
**05
100%
ReloadSwiss RS 62
<<locked>>
81%
37855
52%
**18
97%
ReloadSwiss RS 70
<<locked>>
81%
37057
51%
**31
97%
[ReloadSwiss RS 76]*
<<locked>>
92%
32300
45%
**26
90%
Rottweil R 901
<<locked>>
81%
58653
81%
**31
100%
Rottweil R 902
<<locked>>
81%
52040
72%
**69
100%
Rottweil R 903
<<locked>>
81%
45324
62%
**00
100%
[Rottweil R 904]*
<<locked>>
83%
35795
49%
**97
90%
[Rottweil R 905]*
<<locked>>
81%
32024
44%
**54
90%
Rottweil R 907
<<locked>>
81%
42525
59%
**21
96%
SNPE Vectan SP 11
<<locked>>
81%
46456
64%
**56
100%
SNPE Vectan SP 7
<<locked>>
81%
57072
79%
**71
100%
SNPE Vectan SP 9
<<locked>>
81%
54259
75%
**41
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
55230
76%
**40
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
46615
64%
**12
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
40379
56%
**46
96%
Shooters World Long Rifle
<<locked>>
81%
41539
57%
**08
97%
Shooters World Match Rifle
<<locked>>
81%
56057
77%
**44
100%
Shooters World Precision
<<locked>>
81%
49980
69%
**49
100%
Somchem S335
<<locked>>
81%
54940
76%
**43
100%
Somchem S341
<<locked>>
81%
56608
78%
**61
100%
Somchem S355
<<locked>>
81%
45585
63%
**00
100%
[Somchem S361]*
<<locked>>
84%
38232
53%
**23
90%
Somchem S365
<<locked>>
81%
34418
47%
**62
99%
[Somchem S385]*
<<locked>>
81%
32010
44%
**34
91%
Vihtavuori N130
<<locked>>
81%
60510
83%
**72
100%
Vihtavuori N133
<<locked>>
81%
52315
72%
**77
100%
Vihtavuori N135
<<locked>>
81%
44512
61%
**15
100%
Vihtavuori N140
<<locked>>
81%
51750
71%
**33
100%
Vihtavuori N150
<<locked>>
81%
39102
54%
**43
100%
Vihtavuori N160
<<locked>>
81%
41089
57%
**35
98%
[Vihtavuori N165]*
<<locked>>
85%
30879
43%
**92
90%
Vihtavuori N530
<<locked>>
81%
61046
84%
**10
100%
Vihtavuori N540
<<locked>>
81%
51314
71%
**59
100%
Vihtavuori N550
<<locked>>
81%
41582
57%
**71
98%
Vihtavuori N555
<<locked>>
81%
30110
42%
**48
96%
[Vihtavuori N560]*
<<locked>>
90%
38029
52%
**51
90%
[Vihtavuori N565]*
<<locked>>
94%
36521
50%
**18
90%
Winchester 6.5 StaBALL
<<locked>>
81%
38696
53%
**69
99%
Winchester 760
<<locked>>
81%
43482
60%
**26
97%
[Winchester StaBALL HD]*
<<locked>>
81%
24482
34%
**29
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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