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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:
2026-02-06

Load data for 214 loads in caliber .270 Win. Ackley Improved with .277 | 140gr | Barnes X S bullet and 107 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%
64948
90%
**87
101%
ADI AR 2206H
<<locked>>
85%
65021
90%
**72
100%
ADI AR 2208
<<locked>>
90%
65151
90%
**66
100%
ADI AR 2209
<<locked>>
97%
56826
78%
**43
98%
ADI AR 2213
<<locked>>
97%
51184
71%
**67
95%
Accurate 2200
<<locked>>
84%
65209
90%
**56
100%
Accurate 2700
<<locked>>
91%
65006
90%
**20
99%
Accurate 3100
<<locked>>
97%
51314
71%
**12
99%
Accurate 4064
<<locked>>
87%
64905
90%
**17
100%
Accurate 4350
<<locked>>
95%
64774
89%
**22
100%
[Accurate MAGPRO]*
<<locked>>
97%
49429
68%
**64
93%
Alliant Power Pro 2000-MR
<<locked>>
86%
64788
89%
**00
100%
Alliant Reloder- TS 15.5
<<locked>>
90%
65209
90%
**72
100%
Alliant Reloder-15
<<locked>>
87%
65021
90%
**92
100%
Alliant Reloder-16 👍
<<locked>>
97%
63759
88%
**61
100%
Alliant Reloder-17
<<locked>>
92%
64832
89%
**81
100%
Alliant Reloder-19
<<locked>>
97%
55753
77%
**30
98%
Alliant Reloder-22
<<locked>>
97%
50270
69%
**74
97%
Alliant Reloder-23
<<locked>>
97%
47500
65%
**18
100%
Alliant Reloder-25
<<locked>>
97%
42496
59%
**46
98%
Alliant Reloder-26
<<locked>>
97%
53940
74%
**12
100%
Baschieri & Pellagri 107
<<locked>>
84%
64846
89%
**89
100%
Bofors RP15
<<locked>>
97%
46441
64%
**05
96%
Bofors RP3
<<locked>>
88%
64382
89%
**69
100%
[Bofors RP30]*
<<locked>>
97%
38508
53%
**57
92%
Bofors RP5
<<locked>>
97%
50270
69%
**74
97%
Bofors RP7
<<locked>>
93%
64426
89%
**66
99%
Hodgdon Benchmark
<<locked>>
83%
65238
90%
**04
100%
Hodgdon CFE223
<<locked>>
87%
64905
90%
**25
100%
Hodgdon H380
<<locked>>
88%
64817
89%
**86
100%
Hodgdon H414 👍
<<locked>>
91%
64484
89%
**51
100%
Hodgdon H4350
<<locked>>
97%
60510
83%
**30
99%
[Hodgdon H4831]*
<<locked>>
97%
47558
66%
**49
93%
Hodgdon H4831 SC
<<locked>>
97%
53635
74%
**58
95%
Hodgdon H4895
<<locked>>
84%
64759
89%
**76
100%
Hodgdon Hybrid 100V
<<locked>>
96%
60321
83%
**23
100%
Hodgdon LVR
<<locked>>
94%
64455
89%
**22
100%
Hodgdon Superperformance 👍
<<locked>>
94%
64092
88%
**74
100%
Hodgdon VARGET
<<locked>>
90%
64556
89%
**63
100%
Hodgdon TrailBoss
<<locked>>
97%
35375
49%
**52
100%
IMR 3031
<<locked>>
86%
64643
89%
**27
100%
IMR 4064
<<locked>>
91%
64136
88%
**46
100%
IMR 4166 Enduron
<<locked>>
92%
64629
89%
**43
100%
IMR 4350
<<locked>>
97%
64266
89%
**89
99%
IMR 4451 Enduron
<<locked>>
93%
64469
89%
**72
100%
IMR 4831
<<locked>>
97%
57609
79%
**10
100%
IMR 4895
<<locked>>
86%
64542
89%
**95
100%
IMR 4955 Enduron
<<locked>>
96%
52475
72%
**02
95%
IMR 7828 SSC
<<locked>>
97%
52054
72%
**04
95%
IMR 8208 XBR
<<locked>>
84%
64948
90%
**36
100%
Lovex D073.6
<<locked>>
84%
65122
90%
**36
100%
Lovex S060
<<locked>>
85%
64339
89%
**04
100%
Lovex S062
<<locked>>
88%
65137
90%
**36
100%
Lovex S065
<<locked>>
94%
64701
89%
**66
100%
Lovex S070
<<locked>>
96%
65195
90%
**99
100%
Lovex S071
<<locked>>
97%
44121
61%
**80
98%
Norma 201
<<locked>>
85%
64716
89%
**27
100%
Norma 202
<<locked>>
85%
64730
89%
**10
100%
Norma 203B
<<locked>>
87%
64382
89%
**82
100%
Norma 204
<<locked>>
96%
64426
89%
**25
99%
Norma MRP
<<locked>>
97%
53345
74%
**59
99%
Norma URP
<<locked>>
96%
64963
90%
**35
100%
Ramshot Big Game
<<locked>>
87%
64672
89%
**99
100%
Ramshot Grand
<<locked>>
97%
56072
77%
**82
97%
Ramshot Hunter
<<locked>>
97%
64368
89%
**45
100%
Ramshot Magnum
<<locked>>
97%
49081
68%
**38
97%
ReloadSwiss RS 14
<<locked>>
96%
35969
50%
**91
100%
ReloadSwiss RS 50
<<locked>>
89%
64730
89%
**76
100%
ReloadSwiss RS 52
<<locked>>
85%
64977
90%
**48
100%
ReloadSwiss RS 60
<<locked>>
90%
64063
88%
**64
100%
ReloadSwiss RS 62 👍
<<locked>>
95%
65050
90%
**58
100%
ReloadSwiss RS 70 👍
<<locked>>
96%
64774
89%
**04
100%
ReloadSwiss RS 76
<<locked>>
97%
41423
57%
**62
96%
Rottweil R 902
<<locked>>
86%
64484
89%
**10
100%
Rottweil R 903
<<locked>>
90%
64324
89%
**56
100%
Rottweil R 904
<<locked>>
97%
58508
81%
**07
97%
Rottweil R 905
<<locked>>
97%
55361
76%
**17
98%
Rottweil R 907
<<locked>>
93%
64426
89%
**66
99%
SNPE Vectan SP 11
<<locked>>
90%
64701
89%
**09
100%
SNPE Vectan SP 7
<<locked>>
83%
64730
89%
**53
100%
SNPE Vectan SP 9
<<locked>>
86%
65166
90%
**72
100%
SNPE Vectan Tubal 3000
<<locked>>
85%
64905
90%
**44
100%
SNPE Vectan Tubal 5000
<<locked>>
91%
65238
90%
**38
100%
SNPE Vectan Tubal 7000
<<locked>>
94%
64382
89%
**13
100%
Shooters World Long Rifle
<<locked>>
94%
64701
89%
**66
100%
Shooters World Match Rifle
<<locked>>
84%
65122
90%
**36
100%
Shooters World Precision
<<locked>>
88%
65137
90%
**36
100%
Somchem S335
<<locked>>
85%
64585
89%
**41
100%
Somchem S341
<<locked>>
84%
64875
89%
**46
100%
Somchem S355
<<locked>>
91%
65137
90%
**72
100%
Somchem S361
<<locked>>
97%
60423
83%
**07
97%
Somchem S365
<<locked>>
97%
61540
85%
**99
100%
Somchem S385
<<locked>>
97%
56695
78%
**07
99%
Vihtavuori N133
<<locked>>
87%
64194
89%
**15
100%
Vihtavuori N135
<<locked>>
92%
64934
90%
**67
100%
Vihtavuori N140
<<locked>>
87%
64600
89%
**81
100%
Vihtavuori N150
<<locked>>
96%
65224
90%
**27
100%
Vihtavuori N160
<<locked>>
94%
64992
90%
**92
100%
Vihtavuori N165
<<locked>>
97%
47398
65%
**36
97%
Vihtavuori N540
<<locked>>
87%
65035
90%
**20
100%
Vihtavuori N550
<<locked>>
93%
64440
89%
**28
100%
Vihtavuori N555
<<locked>>
97%
53954
74%
**07
100%
Vihtavuori N560
<<locked>>
97%
50662
70%
**04
95%
[Vihtavuori N565]*
<<locked>>
97%
43265
60%
**43
93%
Winchester 6.5 StaBALL
<<locked>>
95%
64223
89%
**53
100%
Winchester 760
<<locked>>
91%
64484
89%
**51
100%
Winchester StaBALL HD
<<locked>>
97%
41423
57%
**77
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
81%
59654
82%
**11
100%
ADI AR 2206H
<<locked>>
81%
58160
80%
**77
100%
ADI AR 2208
<<locked>>
81%
49429
68%
**36
100%
[ADI AR 2209]*
<<locked>>
81%
35375
49%
**07
91%
[ADI AR 2213]*
<<locked>>
87%
38218
53%
**89
90%
Accurate 2200
<<locked>>
81%
60017
83%
**87
100%
Accurate 2700
<<locked>>
81%
48211
66%
**67
97%
[Accurate 3100]*
<<locked>>
81%
31923
44%
**05
94%
Accurate 4064
<<locked>>
81%
54592
75%
**82
100%
Accurate 4350
<<locked>>
81%
41814
58%
**54
99%
[Accurate MAGPRO]*
<<locked>>
92%
42656
59%
**23
90%
Alliant Power Pro 2000-MR
<<locked>>
81%
54795
76%
**53
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
50502
70%
**62
100%
Alliant Reloder-15
<<locked>>
81%
53737
74%
**35
100%
Alliant Reloder-16
<<locked>>
81%
39595
55%
**44
98%
Alliant Reloder-17
<<locked>>
81%
44962
62%
**72
100%
[Alliant Reloder-19]*
<<locked>>
81%
35099
48%
**07
91%
[Alliant Reloder-22]*
<<locked>>
82%
32822
45%
**84
90%
Alliant Reloder-23
<<locked>>
81%
30487
42%
**38
97%
[Alliant Reloder-25]*
<<locked>>
82%
27673
38%
**39
91%
Alliant Reloder-26
<<locked>>
81%
32576
45%
**49
95%
Baschieri & Pellagri 107
<<locked>>
81%
58015
80%
**00
100%
[Bofors RP15]*
<<locked>>
85%
33576
46%
**03
90%
Bofors RP3
<<locked>>
81%
51401
71%
**79
100%
[Bofors RP30]*
<<locked>>
94%
35549
49%
**79
90%
[Bofors RP5]*
<<locked>>
82%
32822
45%
**84
90%
Bofors RP7
<<locked>>
81%
45266
62%
**57
96%
Hodgdon Benchmark
<<locked>>
81%
61177
84%
**51
100%
Hodgdon CFE223
<<locked>>
81%
52692
73%
**48
100%
Hodgdon H380
<<locked>>
81%
51547
71%
**89
100%
Hodgdon H414
<<locked>>
81%
46427
64%
**59
97%
[Hodgdon H4350]*
<<locked>>
81%
38827
54%
**43
94%
[Hodgdon H4831]*
<<locked>>
90%
39030
54%
**69
90%
[Hodgdon H4831 SC]*
<<locked>>
86%
38566
53%
**66
90%
Hodgdon H4895
<<locked>>
81%
58784
81%
**87
100%
Hodgdon Hybrid 100V
<<locked>>
81%
37507
52%
**46
99%
Hodgdon LVR
<<locked>>
81%
43656
60%
**90
98%
Hodgdon Superperformance
<<locked>>
81%
41887
58%
**97
96%
Hodgdon VARGET
<<locked>>
81%
49139
68%
**30
100%
Hodgdon TrailBoss
<<locked>>
85%
30226
42%
**47
100%
IMR 3031
<<locked>>
81%
55492
77%
**05
100%
IMR 4064
<<locked>>
81%
48834
67%
**17
100%
IMR 4166 Enduron
<<locked>>
81%
47877
66%
**84
98%
IMR 4350
<<locked>>
81%
40640
56%
**79
95%
IMR 4451 Enduron
<<locked>>
81%
46398
64%
**77
97%
IMR 4831
<<locked>>
81%
36434
50%
**26
97%
IMR 4895
<<locked>>
81%
54969
76%
**58
100%
[IMR 4955 Enduron]*
<<locked>>
85%
37739
52%
**07
90%
[IMR 7828 SSC]*
<<locked>>
86%
37782
52%
**98
90%
IMR 8208 XBR
<<locked>>
81%
59886
83%
**67
100%
Lovex D073.6
<<locked>>
81%
59408
82%
**61
100%
Lovex S060
<<locked>>
81%
56869
78%
**02
100%
Lovex S062
<<locked>>
81%
53026
73%
**76
100%
Lovex S065
<<locked>>
81%
44628
62%
**41
98%
Lovex S070
<<locked>>
81%
42525
59%
**18
97%
[Lovex S071]*
<<locked>>
81%
28007
39%
**00
91%
Norma 201
<<locked>>
81%
57798
80%
**31
100%
Norma 202
<<locked>>
81%
57841
80%
**18
100%
Norma 203B
<<locked>>
81%
53069
73%
**18
100%
[Norma 204]*
<<locked>>
81%
39900
55%
**02
93%
[Norma MRP]*
<<locked>>
81%
32634
45%
**10
92%
Norma URP
<<locked>>
81%
40959
56%
**41
98%
Ramshot Big Game
<<locked>>
81%
53287
73%
**41
100%
[Ramshot Grand]*
<<locked>>
85%
37579
52%
**02
90%
Ramshot Hunter
<<locked>>
81%
39595
55%
**21
96%
[Ramshot Magnum]*
<<locked>>
84%
32634
45%
**61
90%
ReloadSwiss RS 14
<<locked>>
82%
29385
41%
**54
100%
ReloadSwiss RS 50
<<locked>>
81%
51039
70%
**69
99%
ReloadSwiss RS 52
<<locked>>
81%
58015
80%
**46
100%
ReloadSwiss RS 60
<<locked>>
81%
47500
65%
**31
100%
ReloadSwiss RS 62
<<locked>>
81%
41205
57%
**64
98%
ReloadSwiss RS 70
<<locked>>
81%
39639
55%
**67
98%
[ReloadSwiss RS 76]*
<<locked>>
89%
32445
45%
**10
90%
Rottweil R 902
<<locked>>
81%
54940
76%
**82
100%
Rottweil R 903
<<locked>>
81%
48805
67%
**36
100%
[Rottweil R 904]*
<<locked>>
81%
36550
50%
**90
90%
[Rottweil R 905]*
<<locked>>
81%
34519
48%
**90
91%
Rottweil R 907
<<locked>>
81%
45266
62%
**57
96%
SNPE Vectan SP 11
<<locked>>
81%
49052
68%
**76
100%
SNPE Vectan SP 7
<<locked>>
81%
59741
82%
**94
100%
SNPE Vectan SP 9
<<locked>>
81%
56492
78%
**48
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
57885
80%
**59
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
49182
68%
**28
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
43613
60%
**85
97%
Shooters World Long Rifle
<<locked>>
81%
44628
62%
**41
98%
Shooters World Match Rifle
<<locked>>
81%
59408
82%
**61
100%
Shooters World Precision
<<locked>>
81%
53026
73%
**76
100%
Somchem S335
<<locked>>
81%
57856
80%
**59
100%
Somchem S341
<<locked>>
81%
58958
81%
**67
100%
Somchem S355
<<locked>>
81%
48849
67%
**30
100%
[Somchem S361]*
<<locked>>
83%
39088
54%
**16
90%
Somchem S365
<<locked>>
81%
37492
52%
**05
100%
[Somchem S385]*
<<locked>>
81%
35128
48%
**87
93%
Vihtavuori N133
<<locked>>
81%
54694
75%
**94
100%
Vihtavuori N135
<<locked>>
81%
47674
66%
**31
100%
Vihtavuori N140
<<locked>>
81%
54114
75%
**46
100%
Vihtavuori N150
<<locked>>
81%
42105
58%
**75
100%
Vihtavuori N160
<<locked>>
81%
43729
60%
**64
99%
[Vihtavuori N165]*
<<locked>>
83%
31401
43%
**79
90%
Vihtavuori N540
<<locked>>
81%
53983
74%
**72
100%
Vihtavuori N550
<<locked>>
81%
44904
62%
**13
99%
Vihtavuori N555
<<locked>>
81%
33533
46%
**03
97%
[Vihtavuori N560]*
<<locked>>
88%
38711
53%
**38
90%
[Vihtavuori N565]*
<<locked>>
91%
36985
51%
**02
90%
Winchester 6.5 StaBALL
<<locked>>
81%
41176
57%
**98
100%
Winchester 760
<<locked>>
81%
46427
64%
**59
97%
Winchester StaBALL HD
<<locked>>
81%
27369
38%
**11
96%

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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