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Load data for .270 Win. Ackley Improved + .277 | 140gr | Barnes X S

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

.270 Win. Ackley Improved + .277 | 140gr | Barnes X S

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.277 | 140gr | Barnes X S
Manufacturer SKU:
27725
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_B546_C272
Last updated:
2026-03-24

Load data for 222 loads in caliber .270 Win. Ackley Improved with .277 | 140gr | Barnes X S bullet and 111 powders such as Alliant Reloder-16, Hodgdon H414, Hodgdon Superperformance, ReloadSwiss RS 62, ReloadSwiss RS 70. 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.

    .

    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 APS 450
<<locked>>
86%
64905
90%
**87
101%
ADI AR 2206H
<<locked>>
85%
65021
90%
**79
100%
ADI AR 2208
<<locked>>
91%
65093
90%
**72
100%
ADI AR 2209
<<locked>>
97%
55579
77%
**33
98%
ADI AR 2213
<<locked>>
97%
50459
70%
**64
95%
ADI Benchmark 8208
<<locked>>
84%
65180
90%
**46
100%
Accurate 2200
<<locked>>
84%
64484
89%
**46
100%
Accurate 2700
<<locked>>
91%
65151
90%
**27
99%
Accurate 3100
<<locked>>
97%
49734
69%
**95
99%
Accurate 4064
<<locked>>
88%
64542
89%
**23
100%
Accurate 4350
<<locked>>
95%
64759
89%
**28
100%
[Accurate MAGPRO]*
<<locked>>
97%
48182
66%
**48
92%
Alliant Power Pro 2000-MR
<<locked>>
87%
64934
90%
**10
100%
Alliant Reloder- TS 15.5
<<locked>>
90%
64005
88%
**66
100%
Alliant Reloder-15
<<locked>>
88%
65238
90%
**02
100%
Alliant Reloder-16 👍
<<locked>>
97%
62946
87%
**51
100%
Alliant Reloder-17
<<locked>>
93%
64948
90%
**87
100%
Alliant Reloder-19
<<locked>>
97%
54534
75%
**10
97%
Alliant Reloder-22
<<locked>>
97%
49327
68%
**67
97%
Alliant Reloder-23
<<locked>>
97%
46369
64%
**05
100%
Alliant Reloder-25
<<locked>>
97%
41263
57%
**26
98%
Alliant Reloder-26
<<locked>>
97%
52533
72%
**89
100%
Baschieri & Pellagri 107
<<locked>>
85%
64484
89%
**92
100%
Bofors RP15
<<locked>>
97%
45556
63%
**85
95%
Bofors RP3
<<locked>>
89%
64411
89%
**69
100%
Bofors RP5
<<locked>>
97%
49327
68%
**67
97%
Bofors RP7
<<locked>>
94%
64629
89%
**72
99%
Hodgdon Benchmark
<<locked>>
83%
64571
89%
**97
100%
Hodgdon CFE223
<<locked>>
88%
64745
89%
**28
100%
Hodgdon H380
<<locked>>
89%
64774
89%
**92
100%
Hodgdon H414 👍
<<locked>>
92%
64600
89%
**48
100%
Hodgdon H4350
<<locked>>
97%
59524
82%
**27
99%
[Hodgdon H4831]*
<<locked>>
97%
46456
64%
**40
93%
Hodgdon H4831 SC
<<locked>>
97%
52663
73%
**51
95%
Hodgdon H4895
<<locked>>
85%
64759
89%
**72
100%
Hodgdon Hybrid 100V
<<locked>>
96%
58958
81%
**17
100%
Hodgdon LVR
<<locked>>
94%
64614
89%
**31
100%
Hodgdon Superperformance 👍
<<locked>>
95%
65238
90%
**00
100%
Hodgdon VARGET
<<locked>>
91%
64498
89%
**59
100%
Hodgdon TrailBoss
<<locked>>
97%
35230
49%
**52
100%
IMR 3031
<<locked>>
87%
64426
89%
**30
100%
IMR 4064
<<locked>>
91%
64368
89%
**46
100%
IMR 4166 Enduron
<<locked>>
92%
64817
89%
**53
100%
IMR 4350
<<locked>>
97%
63483
88%
**79
99%
IMR 4451 Enduron
<<locked>>
93%
64614
89%
**79
100%
IMR 4831
<<locked>>
97%
56318
78%
**00
100%
IMR 4895
<<locked>>
87%
64527
89%
**02
100%
IMR 4955 Enduron
<<locked>>
96%
51372
71%
**92
95%
IMR 7828 SSC
<<locked>>
97%
51082
70%
**84
95%
IMR 8208 XBR
<<locked>>
84%
65180
90%
**46
100%
Lovex D073.6
<<locked>>
85%
65166
90%
**36
100%
Lovex S060
<<locked>>
86%
64339
89%
**10
100%
Lovex S062
<<locked>>
89%
65151
90%
**46
100%
Lovex S065
<<locked>>
95%
64643
89%
**72
100%
Lovex S070
<<locked>>
96%
65108
90%
**05
100%
Lovex S071
<<locked>>
97%
42743
59%
**61
97%
Norma 201
<<locked>>
86%
64556
89%
**30
100%
Norma 202
<<locked>>
85%
64498
89%
**17
100%
Norma 203B
<<locked>>
88%
64339
89%
**89
100%
Norma 204
<<locked>>
97%
64527
89%
**31
99%
Norma MRP
<<locked>>
97%
52301
72%
**53
98%
Norma URP
<<locked>>
97%
64556
89%
**38
100%
Ramshot Big Game
<<locked>>
88%
64817
89%
**05
100%
Ramshot Grand
<<locked>>
97%
54940
76%
**63
96%
Ramshot Hunter
<<locked>>
97%
62975
87%
**35
100%
Ramshot Magnum
<<locked>>
97%
47761
66%
**12
97%
Ramshot TAC
<<locked>>
84%
65209
90%
**72
100%
Ramshot Wild Boar
<<locked>>
84%
64817
89%
**79
100%
ReloadSwiss RS 14
<<locked>>
96%
35810
49%
**91
100%
ReloadSwiss RS 50
<<locked>>
89%
64643
89%
**82
100%
ReloadSwiss RS 52
<<locked>>
85%
64934
90%
**54
100%
ReloadSwiss RS 60
<<locked>>
91%
65195
90%
**87
100%
ReloadSwiss RS 62 👍
<<locked>>
96%
65180
90%
**64
100%
ReloadSwiss RS 70 👍
<<locked>>
97%
64846
89%
**10
100%
ReloadSwiss RS 76
<<locked>>
97%
40118
55%
**33
95%
Rottweil R 901
<<locked>>
83%
64992
90%
**94
100%
Rottweil R 902
<<locked>>
88%
65151
90%
**23
100%
Rottweil R 903
<<locked>>
91%
65180
90%
**72
100%
Rottweil R 904
<<locked>>
97%
57537
79%
**04
97%
Rottweil R 905
<<locked>>
97%
54331
75%
**00
98%
Rottweil R 907
<<locked>>
94%
64629
89%
**72
99%
SNPE Vectan SP 11
<<locked>>
90%
64281
89%
**09
100%
SNPE Vectan SP 7
<<locked>>
84%
64701
89%
**59
100%
SNPE Vectan SP 9
<<locked>>
86%
63933
88%
**59
100%
SNPE Vectan Tubal 3000
<<locked>>
86%
64992
90%
**51
100%
SNPE Vectan Tubal 5000
<<locked>>
91%
64992
90%
**41
100%
SNPE Vectan Tubal 7000
<<locked>>
95%
65151
90%
**27
100%
Shooters World Long Rifle
<<locked>>
95%
64643
89%
**72
100%
Shooters World Match Rifle
<<locked>>
85%
65166
90%
**36
100%
Shooters World Precision
<<locked>>
89%
65151
90%
**46
100%
Somchem S335
<<locked>>
86%
64629
89%
**48
100%
Somchem S341
<<locked>>
84%
65035
90%
**53
100%
Somchem S355
<<locked>>
92%
65093
90%
**69
100%
Somchem S361
<<locked>>
97%
59350
82%
**90
96%
Somchem S365
<<locked>>
97%
60133
83%
**89
100%
Somchem S385
<<locked>>
97%
55376
76%
**84
98%
Vihtavuori N133
<<locked>>
88%
64484
89%
**22
100%
Vihtavuori N135
<<locked>>
93%
64716
89%
**71
100%
Vihtavuori N140
<<locked>>
88%
64353
89%
**84
100%
Vihtavuori N150
<<locked>>
96%
64411
89%
**17
100%
Vihtavuori N160
<<locked>>
94%
64571
89%
**92
100%
Vihtavuori N165
<<locked>>
97%
46485
64%
**20
96%
Vihtavuori N540
<<locked>>
88%
64759
89%
**23
100%
Vihtavuori N550
<<locked>>
94%
64339
89%
**31
100%
Vihtavuori N555
<<locked>>
97%
52634
73%
**97
100%
[Vihtavuori N560]*
<<locked>>
97%
49705
69%
**84
94%
[Vihtavuori N565]*
<<locked>>
97%
41916
58%
**23
92%
Winchester 6.5 StaBALL
<<locked>>
95%
64310
89%
**59
100%
Winchester 760
<<locked>>
92%
64600
89%
**48
100%
Winchester StaBALL HD
<<locked>>
97%
40248
56%
**61
100%
Winchester Supreme 780
<<locked>>
97%
57246
79%
**10
98%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
81%
59553
82%
**11
100%
ADI AR 2206H
<<locked>>
81%
57087
79%
**74
100%
ADI AR 2208
<<locked>>
81%
48675
67%
**23
100%
[ADI AR 2209]*
<<locked>>
81%
34447
47%
**90
91%
[ADI AR 2213]*
<<locked>>
88%
38551
53%
**05
90%
ADI Benchmark 8208
<<locked>>
81%
59045
81%
**64
100%
Accurate 2200
<<locked>>
81%
59132
82%
**77
100%
Accurate 2700
<<locked>>
81%
47210
65%
**51
97%
[Accurate 3100]*
<<locked>>
81%
30748
42%
**82
93%
Accurate 4064
<<locked>>
81%
53214
73%
**72
100%
Accurate 4350
<<locked>>
81%
40611
56%
**38
98%
[Accurate MAGPRO]*
<<locked>>
93%
42888
59%
**33
90%
Alliant Power Pro 2000-MR
<<locked>>
81%
53650
74%
**46
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
49458
68%
**56
100%
Alliant Reloder-15
<<locked>>
81%
52649
73%
**18
100%
Alliant Reloder-16
<<locked>>
81%
38914
54%
**38
98%
Alliant Reloder-17
<<locked>>
81%
43961
61%
**62
100%
[Alliant Reloder-19]*
<<locked>>
81%
34156
47%
**90
91%
[Alliant Reloder-22]*
<<locked>>
84%
33460
46%
**07
90%
Alliant Reloder-23
<<locked>>
81%
29472
41%
**15
97%
[Alliant Reloder-25]*
<<locked>>
83%
27456
38%
**36
90%
Alliant Reloder-26
<<locked>>
81%
31256
43%
**13
95%
Baschieri & Pellagri 107
<<locked>>
81%
56884
78%
**87
100%
[Bofors RP15]*
<<locked>>
86%
33141
46%
**00
90%
Bofors RP3
<<locked>>
81%
50285
69%
**72
100%
[Bofors RP5]*
<<locked>>
84%
33460
46%
**07
90%
Bofors RP7
<<locked>>
81%
44527
61%
**44
96%
Hodgdon Benchmark
<<locked>>
81%
60524
83%
**44
100%
Hodgdon CFE223
<<locked>>
81%
51590
71%
**41
100%
Hodgdon H380
<<locked>>
81%
50705
70%
**82
100%
Hodgdon H414
<<locked>>
81%
45614
63%
**46
97%
[Hodgdon H4350]*
<<locked>>
81%
37985
52%
**33
94%
[Hodgdon H4831]*
<<locked>>
91%
39378
54%
**82
90%
[Hodgdon H4831 SC]*
<<locked>>
87%
38928
54%
**72
90%
Hodgdon H4895
<<locked>>
81%
57682
80%
**84
100%
Hodgdon Hybrid 100V
<<locked>>
81%
36463
50%
**33
99%
Hodgdon LVR
<<locked>>
81%
42511
59%
**67
98%
Hodgdon Superperformance
<<locked>>
81%
40901
56%
**74
95%
Hodgdon VARGET
<<locked>>
81%
48182
66%
**17
100%
Hodgdon TrailBoss
<<locked>>
81%
27934
39%
**98
100%
IMR 3031
<<locked>>
81%
54186
75%
**99
100%
IMR 4064
<<locked>>
81%
47703
66%
**97
100%
IMR 4166 Enduron
<<locked>>
81%
46804
65%
**64
97%
IMR 4350
<<locked>>
81%
39610
55%
**66
95%
IMR 4451 Enduron
<<locked>>
81%
45310
62%
**67
97%
IMR 4831
<<locked>>
81%
35404
49%
**03
97%
IMR 4895
<<locked>>
81%
54114
75%
**54
100%
[IMR 4955 Enduron]*
<<locked>>
86%
37927
52%
**16
90%
[IMR 7828 SSC]*
<<locked>>
88%
38638
53%
**18
90%
IMR 8208 XBR
<<locked>>
81%
59045
81%
**64
100%
Lovex D073.6
<<locked>>
81%
57943
80%
**44
100%
Lovex S060
<<locked>>
81%
55854
77%
**95
100%
Lovex S062
<<locked>>
81%
51779
71%
**59
100%
Lovex S065
<<locked>>
81%
43511
60%
**31
98%
Lovex S070
<<locked>>
81%
41437
57%
**05
96%
[Lovex S071]*
<<locked>>
81%
26832
37%
**70
91%
Norma 201
<<locked>>
81%
56681
78%
**25
100%
Norma 202
<<locked>>
81%
56724
78%
**15
100%
Norma 203B
<<locked>>
81%
52214
72%
**08
100%
[Norma 204]*
<<locked>>
81%
39015
54%
**82
93%
[Norma MRP]*
<<locked>>
81%
31357
43%
**77
91%
Norma URP
<<locked>>
81%
39856
55%
**25
98%
Ramshot Big Game
<<locked>>
81%
52417
72%
**28
100%
[Ramshot Grand]*
<<locked>>
86%
37536
52%
**08
90%
Ramshot Hunter
<<locked>>
81%
38537
53%
**05
96%
[Ramshot Magnum]*
<<locked>>
85%
32518
45%
**61
90%
Ramshot TAC
<<locked>>
81%
59350
82%
**94
100%
Ramshot Wild Boar
<<locked>>
81%
59625
82%
**07
100%
ReloadSwiss RS 14
<<locked>>
81%
28558
39%
**37
100%
ReloadSwiss RS 50
<<locked>>
81%
50009
69%
**53
98%
ReloadSwiss RS 52
<<locked>>
81%
57043
79%
**43
100%
ReloadSwiss RS 60
<<locked>>
81%
46456
64%
**12
100%
ReloadSwiss RS 62
<<locked>>
81%
40030
55%
**48
98%
ReloadSwiss RS 70
<<locked>>
81%
38566
53%
**48
97%
[ReloadSwiss RS 76]*
<<locked>>
90%
32735
45%
**16
90%
Rottweil R 901
<<locked>>
81%
61003
84%
**48
100%
Rottweil R 902
<<locked>>
81%
53679
74%
**72
100%
Rottweil R 903
<<locked>>
81%
47543
66%
**17
100%
[Rottweil R 904]*
<<locked>>
81%
35723
49%
**80
90%
[Rottweil R 905]*
<<locked>>
81%
33214
46%
**64
91%
Rottweil R 907
<<locked>>
81%
44527
61%
**44
96%
SNPE Vectan SP 11
<<locked>>
81%
48022
66%
**69
100%
SNPE Vectan SP 7
<<locked>>
81%
58552
81%
**77
100%
SNPE Vectan SP 9
<<locked>>
81%
55419
76%
**44
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
57000
79%
**49
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
48399
67%
**18
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
42395
58%
**62
96%
Shooters World Long Rifle
<<locked>>
81%
43511
60%
**31
98%
Shooters World Match Rifle
<<locked>>
81%
57943
80%
**44
100%
Shooters World Precision
<<locked>>
81%
51779
71%
**59
100%
Somchem S335
<<locked>>
81%
57029
79%
**53
100%
Somchem S341
<<locked>>
81%
58044
80%
**67
100%
Somchem S355
<<locked>>
81%
47659
66%
**20
100%
[Somchem S361]*
<<locked>>
83%
38711
53%
**16
90%
Somchem S365
<<locked>>
81%
36419
50%
**92
100%
[Somchem S385]*
<<locked>>
81%
33953
47%
**67
92%
Vihtavuori N133
<<locked>>
81%
53722
74%
**84
100%
Vihtavuori N135
<<locked>>
81%
46499
64%
**25
100%
Vihtavuori N140
<<locked>>
81%
53084
73%
**33
100%
Vihtavuori N150
<<locked>>
81%
41031
57%
**66
100%
Vihtavuori N160
<<locked>>
81%
42554
59%
**41
99%
[Vihtavuori N165]*
<<locked>>
83%
30879
43%
**75
90%
Vihtavuori N540
<<locked>>
81%
52721
73%
**66
100%
Vihtavuori N550
<<locked>>
81%
43714
60%
**00
99%
Vihtavuori N555
<<locked>>
81%
32343
45%
**90
97%
[Vihtavuori N560]*
<<locked>>
89%
39015
54%
**51
90%
[Vihtavuori N565]*
<<locked>>
93%
37550
52%
**25
90%
Winchester 6.5 StaBALL
<<locked>>
81%
40263
56%
**89
100%
Winchester 760
<<locked>>
81%
45614
63%
**46
97%
Winchester StaBALL HD
<<locked>>
81%
26266
36%
**82
95%
[Winchester Supreme 780]*
<<locked>>
81%
33852
47%
**48
90%

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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