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Load data for .270 Win. Ackley Improved + .277 | 127gr | Lehigh Defense Controlled Chaos

Recommended Powder(s):

.270 Win. Ackley Improved + .277 | 127gr | Lehigh Defense Controlled Chaos

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.277 | 127gr | Lehigh Defense Controlled Chaos
Manufacturer SKU:
277127CuSP
Bullet Weight:
127gr | 8.2g
Bullet Diameter:
0.277" | 7.04mm
Bullet Length:
1.305" | 33.1mm
Caliber:
.270 Win. Ackley Improved load data
Case Length (l3):
2.540" | 64.5mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.555" | 14.1mm
Shank Seated Depth:
0.370" | 9.4mm
Case Capacity:
70.0 Grains of Water | 4.55 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
72519 psi | 5000 bar
LID:
LID_B11013_C272
Last updated:
2026-01-15
Recommended Twist Rate:
1:10 - 1:8

Load data for 224 loads in caliber .270 Win. Ackley Improved with .277 | 127gr | Lehigh Defense Controlled Chaos bullet and 112 powder(s). 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 APS 450
<<locked>>
86%
64658
89%
**92
101%
ADI AR 2206H
<<locked>>
89%
64919
90%
**33
100%
ADI AR 2208
<<locked>>
94%
64295
89%
**04
100%
[ADI AR 2209]*
<<locked>>
97%
48182
66%
**17
94%
Accurate 2015
<<locked>>
86%
64992
90%
**99
100%
Accurate 2200
<<locked>>
88%
64817
89%
**00
100%
Accurate 2495
<<locked>>
87%
65224
90%
**61
100%
Accurate 2520
<<locked>>
87%
64397
89%
**91
100%
Accurate 2700
<<locked>>
95%
65035
90%
**58
99%
Accurate 3100
<<locked>>
97%
41133
57%
**66
96%
Accurate 4064
<<locked>>
93%
65166
90%
**87
100%
Accurate 4350
<<locked>>
97%
56985
79%
**74
100%
Alliant AR-Comp
<<locked>>
87%
64049
88%
**22
100%
Alliant Power Pro 2000-MR
<<locked>>
90%
64136
88%
**48
100%
Alliant Reloder- TS 15.5
<<locked>>
94%
64759
89%
**27
100%
Alliant Reloder-10x
<<locked>>
83%
64919
90%
**09
100%
Alliant Reloder-15
<<locked>>
92%
64614
89%
**46
100%
Alliant Reloder-16
<<locked>>
96%
54041
75%
**74
100%
Alliant Reloder-17 👍
<<locked>>
97%
63788
88%
**25
100%
[Alliant Reloder-19]*
<<locked>>
97%
47268
65%
**10
94%
[Alliant Reloder-22]*
<<locked>>
97%
41858
58%
**44
93%
Alliant Reloder-23
<<locked>>
97%
39508
54%
**02
99%
[Alliant Reloder-25]*
<<locked>>
97%
34577
48%
**77
93%
Alliant Reloder-26
<<locked>>
97%
44106
61%
**69
98%
Baschieri & Pellagri 107
<<locked>>
89%
64324
89%
**43
100%
Bofors RP3
<<locked>>
94%
65253
90%
**33
100%
[Bofors RP5]*
<<locked>>
97%
41858
58%
**44
93%
Bofors RP7
<<locked>>
97%
62859
87%
**87
99%
Hodgdon BL-C2
<<locked>>
87%
64832
89%
**33
100%
Hodgdon Benchmark
<<locked>>
87%
64484
89%
**41
100%
Hodgdon CFE223 👍
<<locked>>
92%
65151
90%
**82
100%
Hodgdon H322
<<locked>>
86%
65253
90%
**71
100%
Hodgdon H380 👍
<<locked>>
93%
65035
90%
**40
100%
Hodgdon H414
<<locked>>
96%
65253
90%
**09
99%
Hodgdon H4350
<<locked>>
97%
52779
73%
**46
97%
Hodgdon Hybrid 100V
<<locked>>
97%
50705
70%
**43
100%
Hodgdon LVR 👍
<<locked>>
97%
60771
84%
**30
100%
Hodgdon Superperformance
<<locked>>
97%
60916
84%
**79
99%
Hodgdon VARGET
<<locked>>
95%
65035
90%
**20
100%
Hodgdon TrailBoss
<<locked>>
97%
34461
48%
**31
100%
IMR 3031
<<locked>>
91%
64542
89%
**91
100%
IMR 4064
<<locked>>
95%
64455
89%
**97
100%
IMR 4166 Enduron
<<locked>>
96%
64426
89%
**91
99%
IMR 4198
<<locked>>
83%
64484
89%
**66
100%
IMR 4350
<<locked>>
97%
55550
77%
**95
98%
IMR 4451 Enduron
<<locked>>
97%
64397
89%
**14
99%
IMR 4831
<<locked>>
97%
48095
66%
**07
99%
IMR 4895
<<locked>>
91%
65151
90%
**63
100%
IMR 8208 XBR
<<locked>>
87%
64382
89%
**84
100%
Lovex D073.6
<<locked>>
89%
65021
90%
**97
100%
Lovex S060
<<locked>>
89%
64223
89%
**51
100%
Lovex S062
<<locked>>
93%
64687
89%
**87
100%
Lovex S065
<<locked>>
97%
60466
83%
**54
99%
Lovex S070
<<locked>>
97%
58073
80%
**41
99%
[Lovex S071]*
<<locked>>
97%
34127
47%
**12
93%
Norma 201
<<locked>>
90%
64643
89%
**87
100%
Norma 202
<<locked>>
89%
64353
89%
**64
100%
Norma 203B
<<locked>>
92%
64672
89%
**40
100%
Norma 204
<<locked>>
97%
56405
78%
**51
96%
Norma MRP
<<locked>>
97%
43410
60%
**13
95%
Norma URP
<<locked>>
97%
56347
78%
**61
100%
Ramshot Big Game
<<locked>>
91%
63933
88%
**50
100%
[Ramshot Grand]*
<<locked>>
97%
46238
64%
**17
92%
Ramshot Hunter
<<locked>>
97%
54853
76%
**58
99%
[Ramshot Magnum]*
<<locked>>
97%
40350
56%
**72
92%
Ramshot TAC
<<locked>>
87%
64861
89%
**10
100%
Ramshot Wild Boar
<<locked>>
87%
64411
89%
**23
100%
Ramshot X-Terminator
<<locked>>
85%
64455
89%
**81
100%
ReloadSwiss RS 14
<<locked>>
97%
34896
48%
**70
100%
ReloadSwiss RS 40
<<locked>>
84%
65079
90%
**77
100%
ReloadSwiss RS 50
<<locked>>
93%
64324
89%
**17
99%
ReloadSwiss RS 52
<<locked>>
89%
64324
89%
**02
100%
ReloadSwiss RS 60
<<locked>>
95%
64382
89%
**32
100%
ReloadSwiss RS 62
<<locked>>
97%
57305
79%
**97
100%
ReloadSwiss RS 70
<<locked>>
97%
56362
78%
**30
100%
Rottweil R 901
<<locked>>
87%
64324
89%
**48
100%
Rottweil R 902
<<locked>>
92%
64788
89%
**74
100%
Rottweil R 903
<<locked>>
95%
63846
88%
**17
100%
[Rottweil R 904]*
<<locked>>
97%
50285
69%
**13
94%
[Rottweil R 905]*
<<locked>>
97%
46485
64%
**00
94%
Rottweil R 907
<<locked>>
97%
62859
87%
**87
99%
SNPE Vectan SP 11
<<locked>>
95%
64861
89%
**69
100%
SNPE Vectan SP 7
<<locked>>
88%
65093
90%
**10
100%
SNPE Vectan SP 9
<<locked>>
90%
65035
90%
**27
100%
SNPE Vectan Tubal 3000
<<locked>>
89%
64484
89%
**92
100%
SNPE Vectan Tubal 5000
<<locked>>
95%
64817
89%
**79
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
60582
84%
**02
99%
Shooters World Long Rifle
<<locked>>
97%
60466
83%
**54
99%
Shooters World Match Rifle
<<locked>>
89%
65021
90%
**97
100%
Shooters World Precision
<<locked>>
93%
64687
89%
**87
100%
Somchem S321
<<locked>>
85%
64440
89%
**94
100%
Somchem S335
<<locked>>
90%
65006
90%
**99
100%
Somchem S341
<<locked>>
88%
64614
89%
**94
100%
Somchem S355
<<locked>>
96%
64948
90%
**20
100%
[Somchem S361]*
<<locked>>
97%
52025
72%
**00
93%
Somchem S365
<<locked>>
97%
50720
70%
**12
100%
Somchem S385
<<locked>>
97%
47355
65%
**87
96%
Vihtavuori N130
<<locked>>
86%
64527
89%
**56
100%
Vihtavuori N133
<<locked>>
92%
65079
90%
**79
100%
Vihtavuori N135
<<locked>>
97%
63309
87%
**15
100%
Vihtavuori N140
<<locked>>
91%
64455
89%
**41
100%
Vihtavuori N150
<<locked>>
96%
56420
78%
**66
100%
Vihtavuori N160
<<locked>>
97%
61656
85%
**97
100%
[Vihtavuori N165]*
<<locked>>
97%
39320
54%
**00
92%
Vihtavuori N530
<<locked>>
86%
65108
90%
**04
100%
Vihtavuori N540
<<locked>>
92%
64701
89%
**71
100%
Vihtavuori N550 👍
<<locked>>
97%
62149
86%
**56
100%
Vihtavuori N555
<<locked>>
97%
43714
60%
**84
99%
Winchester 6.5 StaBALL
<<locked>>
97%
58421
81%
**22
100%
Winchester 748
<<locked>>
85%
64701
89%
**20
100%
Winchester 760
<<locked>>
96%
65253
90%
**09
99%
Winchester StaBALL HD
<<locked>>
97%
35143
48%
**92
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
81%
59408
82%
**13
101%
ADI AR 2206H
<<locked>>
81%
50241
69%
**07
100%
ADI AR 2208
<<locked>>
81%
42627
59%
**53
98%
[ADI AR 2209]*
<<locked>>
89%
37115
51%
**80
90%
Accurate 2015
<<locked>>
81%
56623
78%
**90
100%
Accurate 2200
<<locked>>
81%
52620
73%
**17
99%
Accurate 2495
<<locked>>
81%
52330
72%
**97
100%
Accurate 2520
<<locked>>
81%
53272
73%
**36
100%
[Accurate 2700]*
<<locked>>
81%
41017
57%
**54
93%
[Accurate 3100]*
<<locked>>
86%
28848
40%
**67
90%
Accurate 4064
<<locked>>
81%
44324
61%
**79
100%
Accurate 4350
<<locked>>
81%
33025
46%
**02
95%
Alliant AR-Comp
<<locked>>
81%
53490
74%
**87
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
46543
64%
**63
99%
Alliant Reloder- TS 15.5
<<locked>>
81%
42583
59%
**76
99%
Alliant Reloder-10x
<<locked>>
81%
60655
84%
**53
100%
Alliant Reloder-15
<<locked>>
81%
45658
63%
**41
99%
Alliant Reloder-16
<<locked>>
81%
32996
46%
**05
95%
Alliant Reloder-17
<<locked>>
81%
37246
51%
**56
98%
[Alliant Reloder-19]*
<<locked>>
89%
36593
50%
**71
90%
[Alliant Reloder-22]*
<<locked>>
93%
36492
50%
**03
90%
[Alliant Reloder-23]*
<<locked>>
81%
23931
33%
**33
90%
[Alliant Reloder-25]*
<<locked>>
92%
30255
42%
**43
90%
[Alliant Reloder-26]*
<<locked>>
84%
28311
39%
**30
90%
Baschieri & Pellagri 107
<<locked>>
81%
49937
69%
**20
99%
Bofors RP3
<<locked>>
81%
42511
59%
**76
99%
[Bofors RP5]*
<<locked>>
93%
36492
50%
**03
90%
[Bofors RP7]*
<<locked>>
81%
37985
52%
**28
93%
Hodgdon BL-C2
<<locked>>
81%
52765
73%
**66
100%
Hodgdon Benchmark
<<locked>>
81%
53809
74%
**90
100%
Hodgdon CFE223
<<locked>>
81%
44367
61%
**51
98%
Hodgdon H322
<<locked>>
81%
55666
77%
**46
100%
Hodgdon H380
<<locked>>
81%
43671
60%
**92
98%
[Hodgdon H414]*
<<locked>>
81%
38377
53%
**30
94%
[Hodgdon H4350]*
<<locked>>
82%
33112
46%
**33
90%
Hodgdon Hybrid 100V
<<locked>>
81%
30400
42%
**10
96%
Hodgdon LVR
<<locked>>
81%
36201
50%
**67
95%
[Hodgdon Superperformance]*
<<locked>>
81%
34722
48%
**41
91%
Hodgdon VARGET
<<locked>>
81%
42337
58%
**36
98%
Hodgdon TrailBoss
<<locked>>
81%
27180
37%
**70
100%
IMR 3031
<<locked>>
81%
46543
64%
**35
100%
IMR 4064
<<locked>>
81%
41814
58%
**26
98%
IMR 4166 Enduron
<<locked>>
81%
41350
57%
**87
95%
IMR 4198
<<locked>>
81%
60191
83%
**07
100%
[IMR 4350]*
<<locked>>
81%
33692
46%
**46
91%
[IMR 4451 Enduron]*
<<locked>>
81%
39407
54%
**64
94%
[IMR 4831]*
<<locked>>
81%
28935
40%
**67
93%
IMR 4895
<<locked>>
81%
46891
65%
**71
99%
IMR 8208 XBR
<<locked>>
81%
52533
72%
**17
100%
Lovex D073.6
<<locked>>
81%
49951
69%
**81
100%
Lovex S060
<<locked>>
81%
49835
69%
**41
100%
Lovex S062
<<locked>>
81%
44991
62%
**92
100%
Lovex S065
<<locked>>
81%
36753
51%
**12
95%
[Lovex S070]*
<<locked>>
81%
35157
48%
**85
92%
[Lovex S071]*
<<locked>>
91%
28848
40%
**67
90%
Norma 201
<<locked>>
81%
48994
68%
**48
100%
Norma 202
<<locked>>
81%
49661
68%
**58
100%
Norma 203B
<<locked>>
81%
45165
62%
**28
99%
[Norma 204]*
<<locked>>
84%
36883
51%
**64
90%
[Norma MRP]*
<<locked>>
89%
33373
46%
**54
90%
Norma URP
<<locked>>
81%
33344
46%
**08
95%
Ramshot Big Game
<<locked>>
81%
45194
62%
**48
99%
[Ramshot Grand]*
<<locked>>
94%
41495
57%
**12
90%
[Ramshot Hunter]*
<<locked>>
81%
32460
45%
**79
92%
[Ramshot Magnum]*
<<locked>>
94%
36245
50%
**74
90%
Ramshot TAC
<<locked>>
81%
52475
72%
**23
99%
Ramshot Wild Boar
<<locked>>
81%
52518
72%
**53
100%
Ramshot X-Terminator
<<locked>>
81%
56391
78%
**63
100%
ReloadSwiss RS 14
<<locked>>
81%
27644
38%
**09
100%
ReloadSwiss RS 40
<<locked>>
81%
58972
81%
**99
100%
ReloadSwiss RS 50
<<locked>>
81%
43685
60%
**66
96%
ReloadSwiss RS 52
<<locked>>
81%
48994
68%
**63
99%
ReloadSwiss RS 60
<<locked>>
81%
39610
55%
**25
100%
[ReloadSwiss RS 62]*
<<locked>>
81%
32779
45%
**15
94%
[ReloadSwiss RS 70]*
<<locked>>
81%
32793
45%
**15
93%
Rottweil R 901
<<locked>>
81%
53301
74%
**94
100%
Rottweil R 902
<<locked>>
81%
46688
64%
**99
100%
Rottweil R 903
<<locked>>
81%
40147
55%
**23
99%
[Rottweil R 904]*
<<locked>>
90%
40147
55%
**00
90%
[Rottweil R 905]*
<<locked>>
89%
35998
50%
**71
90%
[Rottweil R 907]*
<<locked>>
81%
37985
52%
**28
93%
SNPE Vectan SP 11
<<locked>>
81%
41191
57%
**79
99%
SNPE Vectan SP 7
<<locked>>
81%
51314
71%
**10
99%
SNPE Vectan SP 9
<<locked>>
81%
48849
67%
**74
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
50444
70%
**02
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
42366
58%
**61
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
36419
50%
**66
93%
Shooters World Long Rifle
<<locked>>
81%
36753
51%
**12
95%
Shooters World Match Rifle
<<locked>>
81%
49951
69%
**81
100%
Shooters World Precision
<<locked>>
81%
44991
62%
**92
100%
Somchem S321
<<locked>>
81%
57450
79%
**02
100%
Somchem S335
<<locked>>
81%
49835
69%
**99
100%
Somchem S341
<<locked>>
81%
50923
70%
**97
100%
Somchem S355
<<locked>>
81%
40495
56%
**23
99%
[Somchem S361]*
<<locked>>
91%
43018
59%
**33
90%
Somchem S365
<<locked>>
81%
29704
41%
**52
97%
[Somchem S385]*
<<locked>>
86%
32750
45%
**62
90%
Vihtavuori N130
<<locked>>
81%
55274
76%
**38
100%
Vihtavuori N133
<<locked>>
81%
47703
66%
**43
100%
Vihtavuori N135
<<locked>>
81%
39595
55%
**54
100%
Vihtavuori N140
<<locked>>
81%
46383
64%
**85
100%
Vihtavuori N150
<<locked>>
81%
34809
48%
**66
99%
Vihtavuori N160
<<locked>>
81%
36071
50%
**38
96%
[Vihtavuori N165]*
<<locked>>
93%
34882
48%
**92
90%
Vihtavuori N530
<<locked>>
81%
55782
77%
**76
100%
Vihtavuori N540
<<locked>>
81%
46064
64%
**02
100%
Vihtavuori N550
<<locked>>
81%
36825
51%
**90
96%
[Vihtavuori N555]*
<<locked>>
81%
25701
35%
**18
91%
Winchester 6.5 StaBALL
<<locked>>
81%
34447
48%
**82
98%
Winchester 748
<<locked>>
81%
57276
79%
**28
100%
[Winchester 760]*
<<locked>>
81%
38377
53%
**30
94%
[Winchester StaBALL HD]*
<<locked>>
86%
24613
34%
**11
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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