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Load data for .270 Win. Ackley Improved + .277 | 150gr | Swift A-Frame

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

.270 Win. Ackley Improved + .277 | 150gr | Swift A-Frame

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.277 | 150gr | Swift A-Frame
Bullet Weight:
150gr | 9.7g
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_B10837_C272
Last updated:
2026-02-01

Load data for 218 loads in caliber .270 Win. Ackley Improved with .277 | 150gr | Swift A-Frame bullet and 109 powders such as Hodgdon H414, Hodgdon Superperformance, Ramshot Hunter, 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.

    .

    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%
64963
90%
**18
101%
ADI AR 2206H
<<locked>>
84%
64992
90%
**90
100%
ADI AR 2208
<<locked>>
90%
65093
90%
**87
100%
ADI AR 2209
<<locked>>
97%
57899
80%
**81
99%
ADI AR 2213
<<locked>>
97%
52576
73%
**31
97%
[ADI AR 2217]*
<<locked>>
97%
38566
53%
**30
92%
[ADI AR 2225]*
<<locked>>
97%
34766
48%
**00
94%
Accurate 2700
<<locked>>
90%
64542
89%
**41
100%
Accurate 3100
<<locked>>
97%
52460
72%
**59
100%
Accurate 4064
<<locked>>
87%
64165
88%
**28
100%
Accurate 4350
<<locked>>
94%
64716
89%
**33
100%
[Accurate MAGPRO]*
<<locked>>
97%
50778
70%
**25
94%
Alliant Power Pro 2000-MR
<<locked>>
85%
65253
90%
**12
100%
Alliant Reloder- TS 15.5
<<locked>>
88%
64237
89%
**77
100%
Alliant Reloder-15
<<locked>>
87%
65050
90%
**10
100%
Alliant Reloder-16
<<locked>>
96%
64629
89%
**89
100%
Alliant Reloder-17
<<locked>>
91%
64542
89%
**82
100%
Alliant Reloder-19
<<locked>>
97%
57754
80%
**77
99%
Alliant Reloder-22
<<locked>>
97%
51793
71%
**31
98%
Alliant Reloder-23
<<locked>>
97%
49356
68%
**72
100%
Alliant Reloder-25
<<locked>>
97%
42685
59%
**90
99%
Alliant Reloder-26
<<locked>>
97%
56130
77%
**56
100%
Baschieri & Pellagri 107
<<locked>>
84%
64905
89%
**10
100%
[Baschieri & Pellagri 109]*
<<locked>>
97%
51561
71%
**30
93%
Bofors RP15
<<locked>>
97%
47311
65%
**56
97%
Bofors RP3
<<locked>>
88%
64963
90%
**87
100%
[Bofors RP30]*
<<locked>>
97%
39305
54%
**18
93%
Bofors RP5
<<locked>>
97%
51793
71%
**31
98%
Bofors RP7
<<locked>>
92%
64426
89%
**87
100%
Hodgdon CFE223
<<locked>>
86%
64701
89%
**43
100%
[Hodgdon H1000]*
<<locked>>
97%
38566
53%
**30
92%
Hodgdon H380
<<locked>>
88%
64672
89%
**00
100%
Hodgdon H414 👍
<<locked>>
91%
64643
89%
**63
100%
Hodgdon H4350
<<locked>>
97%
62671
86%
**87
100%
Hodgdon H4831
<<locked>>
97%
48994
68%
**13
95%
Hodgdon H4831 SC
<<locked>>
97%
55143
76%
**18
96%
Hodgdon H4895
<<locked>>
84%
64716
89%
**81
100%
Hodgdon Hybrid 100V
<<locked>>
97%
62439
86%
**67
100%
Hodgdon LVR
<<locked>>
93%
65093
90%
**49
100%
[Hodgdon Retumbo]*
<<locked>>
97%
34766
48%
**00
94%
Hodgdon Superperformance 👍
<<locked>>
93%
64963
90%
**05
100%
Hodgdon VARGET
<<locked>>
90%
64513
89%
**71
100%
Hodgdon TrailBoss
<<locked>>
97%
35302
49%
**99
100%
IMR 3031
<<locked>>
86%
64339
89%
**35
100%
IMR 4064
<<locked>>
90%
64716
89%
**71
100%
IMR 4166 Enduron
<<locked>>
91%
65238
90%
**74
100%
IMR 4350
<<locked>>
96%
64484
89%
**07
100%
IMR 4451 Enduron
<<locked>>
92%
64600
89%
**97
100%
IMR 4831
<<locked>>
97%
58943
81%
**51
100%
IMR 4895
<<locked>>
86%
64600
89%
**13
100%
IMR 4955 Enduron
<<locked>>
97%
54114
75%
**62
96%
IMR 7828 SSC
<<locked>>
97%
53563
74%
**58
97%
IMR 8208 XBR
<<locked>>
83%
64948
90%
**54
100%
Lovex D073.6
<<locked>>
83%
64643
89%
**44
100%
Lovex S060
<<locked>>
85%
64426
89%
**25
100%
Lovex S062
<<locked>>
88%
65035
90%
**51
100%
Lovex S065
<<locked>>
94%
64498
89%
**84
100%
Lovex S070
<<locked>>
95%
65035
90%
**17
100%
Lovex S071
<<locked>>
97%
44251
61%
**15
98%
Norma 201
<<locked>>
85%
65108
90%
**51
100%
Norma 202
<<locked>>
84%
64629
89%
**25
100%
Norma 203B
<<locked>>
87%
64368
89%
**97
100%
Norma 204
<<locked>>
95%
64905
89%
**56
99%
Norma MRP
<<locked>>
97%
54984
76%
**13
99%
Norma URP
<<locked>>
96%
65035
90%
**53
100%
Ramshot Big Game
<<locked>>
86%
64846
89%
**17
100%
Ramshot Grand
<<locked>>
97%
57377
79%
**33
98%
Ramshot Hunter 👍
<<locked>>
96%
64498
89%
**66
100%
Ramshot Magnum
<<locked>>
97%
49632
68%
**76
98%
ReloadSwiss RS 14
<<locked>>
96%
35911
50%
**39
100%
ReloadSwiss RS 50
<<locked>>
88%
65180
90%
**04
100%
ReloadSwiss RS 52
<<locked>>
84%
65267
90%
**66
100%
ReloadSwiss RS 60
<<locked>>
90%
65108
90%
**86
100%
ReloadSwiss RS 62
<<locked>>
94%
64513
89%
**59
100%
ReloadSwiss RS 70 👍
<<locked>>
95%
64005
88%
**09
100%
ReloadSwiss RS 76
<<locked>>
97%
41597
57%
**13
97%
Rottweil R 902
<<locked>>
86%
64861
89%
**38
100%
Rottweil R 903
<<locked>>
90%
64223
89%
**71
100%
Rottweil R 904
<<locked>>
97%
59785
82%
**61
98%
Rottweil R 905
<<locked>>
97%
56391
78%
**54
99%
Rottweil R 907
<<locked>>
92%
64426
89%
**87
100%
SNPE Vectan SP 11
<<locked>>
89%
64774
89%
**27
100%
SNPE Vectan SP 9
<<locked>>
85%
65151
90%
**84
100%
SNPE Vectan Tubal 3000
<<locked>>
84%
64643
89%
**59
100%
SNPE Vectan Tubal 5000
<<locked>>
90%
65050
90%
**53
100%
SNPE Vectan Tubal 7000
<<locked>>
94%
64948
90%
**51
100%
Shooters World Long Rifle
<<locked>>
94%
64498
89%
**84
100%
Shooters World Match Rifle
<<locked>>
83%
64643
89%
**44
100%
Shooters World Precision
<<locked>>
88%
65035
90%
**51
100%
Somchem S335
<<locked>>
84%
64179
89%
**53
100%
Somchem S341
<<locked>>
83%
64890
89%
**64
100%
Somchem S355
<<locked>>
90%
64832
89%
**84
100%
Somchem S361
<<locked>>
97%
61293
85%
**44
97%
Somchem S365
<<locked>>
97%
62946
87%
**30
100%
Somchem S385
<<locked>>
97%
58131
80%
**44
99%
Vihtavuori N133
<<locked>>
86%
64165
88%
**30
100%
Vihtavuori N135
<<locked>>
92%
64905
89%
**82
100%
Vihtavuori N140
<<locked>>
86%
64542
89%
**95
100%
Vihtavuori N150
<<locked>>
95%
64107
88%
**31
100%
Vihtavuori N160
<<locked>>
93%
64397
89%
**94
100%
Vihtavuori N165
<<locked>>
97%
48182
66%
**77
97%
Vihtavuori N540
<<locked>>
86%
64339
89%
**31
100%
Vihtavuori N550
<<locked>>
93%
64513
89%
**46
100%
Vihtavuori N555
<<locked>>
97%
54665
75%
**38
100%
Vihtavuori N560
<<locked>>
97%
51532
71%
**44
96%
[Vihtavuori N565]*
<<locked>>
97%
44251
61%
**97
94%
Winchester 6.5 StaBALL
<<locked>>
94%
64585
89%
**74
100%
Winchester 760 👍
<<locked>>
91%
64643
89%
**63
100%
Winchester StaBALL HD
<<locked>>
97%
43990
61%
**35
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
81%
59625
82%
**46
100%
ADI AR 2206H
<<locked>>
81%
59059
81%
**15
100%
ADI AR 2208
<<locked>>
81%
50067
69%
**67
100%
[ADI AR 2209]*
<<locked>>
81%
35491
49%
**57
93%
[ADI AR 2213]*
<<locked>>
85%
35665
49%
**70
90%
[ADI AR 2217]*
<<locked>>
94%
35563
49%
**61
90%
[ADI AR 2225]*
<<locked>>
92%
29704
41%
**49
90%
Accurate 2700
<<locked>>
81%
48921
67%
**15
98%
[Accurate 3100]*
<<locked>>
81%
31502
43%
**39
94%
Accurate 4064
<<locked>>
81%
54694
75%
**07
100%
Accurate 4350
<<locked>>
81%
42163
58%
**95
99%
[Accurate MAGPRO]*
<<locked>>
89%
39450
54%
**95
90%
Alliant Power Pro 2000-MR
<<locked>>
81%
55999
77%
**87
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
51198
71%
**00
100%
Alliant Reloder-15
<<locked>>
81%
54259
75%
**59
100%
Alliant Reloder-16
<<locked>>
81%
40089
55%
**92
99%
Alliant Reloder-17
<<locked>>
81%
45614
63%
**13
100%
[Alliant Reloder-19]*
<<locked>>
81%
35244
49%
**51
93%
[Alliant Reloder-22]*
<<locked>>
81%
31444
43%
**92
91%
Alliant Reloder-23
<<locked>>
81%
30255
42%
**72
98%
[Alliant Reloder-25]*
<<locked>>
81%
26803
37%
**67
91%
Alliant Reloder-26
<<locked>>
81%
32227
44%
**77
96%
Baschieri & Pellagri 107
<<locked>>
81%
58943
81%
**31
100%
[Baschieri & Pellagri 109]*
<<locked>>
92%
45179
62%
**08
90%
[Bofors RP15]*
<<locked>>
83%
31386
43%
**85
90%
Bofors RP3
<<locked>>
81%
52127
72%
**17
100%
[Bofors RP30]*
<<locked>>
92%
33533
46%
**70
90%
[Bofors RP5]*
<<locked>>
81%
31444
43%
**92
91%
Bofors RP7
<<locked>>
81%
45759
63%
**95
97%
Hodgdon CFE223
<<locked>>
81%
53998
74%
**92
100%
[Hodgdon H1000]*
<<locked>>
94%
35563
49%
**61
90%
Hodgdon H380
<<locked>>
81%
52199
72%
**30
100%
Hodgdon H414
<<locked>>
81%
47195
65%
**97
98%
Hodgdon H4350
<<locked>>
81%
39160
54%
**90
96%
[Hodgdon H4831]*
<<locked>>
87%
36172
50%
**44
90%
[Hodgdon H4831 SC]*
<<locked>>
84%
36172
50%
**44
90%
Hodgdon H4895
<<locked>>
81%
59727
82%
**15
100%
Hodgdon Hybrid 100V
<<locked>>
81%
37753
52%
**87
100%
Hodgdon LVR
<<locked>>
81%
44193
61%
**25
99%
[Hodgdon Retumbo]*
<<locked>>
92%
29704
41%
**49
90%
Hodgdon Superperformance
<<locked>>
81%
42221
58%
**35
97%
Hodgdon VARGET
<<locked>>
81%
49574
68%
**61
100%
Hodgdon TrailBoss
<<locked>>
90%
32372
45%
**44
100%
IMR 3031
<<locked>>
81%
56246
78%
**36
100%
IMR 4064
<<locked>>
81%
49806
69%
**54
100%
IMR 4166 Enduron
<<locked>>
81%
48689
67%
**25
98%
IMR 4350
<<locked>>
81%
40857
56%
**23
96%
IMR 4451 Enduron
<<locked>>
81%
46891
65%
**25
98%
IMR 4831
<<locked>>
81%
36782
51%
**70
98%
IMR 4895
<<locked>>
81%
55767
77%
**92
100%
[IMR 4955 Enduron]*
<<locked>>
83%
35302
49%
**92
90%
[IMR 7828 SSC]*
<<locked>>
84%
35201
49%
**77
90%
IMR 8208 XBR
<<locked>>
81%
60829
84%
**02
100%
Lovex D073.6
<<locked>>
81%
60365
83%
**95
100%
Lovex S060
<<locked>>
81%
57595
79%
**40
100%
Lovex S062
<<locked>>
81%
53301
74%
**00
100%
Lovex S065
<<locked>>
81%
44759
62%
**79
99%
Lovex S070
<<locked>>
81%
42714
59%
**59
97%
[Lovex S071]*
<<locked>>
81%
27427
38%
**28
92%
Norma 201
<<locked>>
81%
58204
80%
**62
100%
Norma 202
<<locked>>
81%
58349
80%
**49
100%
Norma 203B
<<locked>>
81%
53795
74%
**49
100%
[Norma 204]*
<<locked>>
81%
40437
56%
**46
94%
[Norma MRP]*
<<locked>>
81%
32561
45%
**51
93%
Norma URP
<<locked>>
81%
41336
57%
**82
99%
Ramshot Big Game
<<locked>>
81%
54302
75%
**72
100%
[Ramshot Grand]*
<<locked>>
82%
34563
48%
**67
90%
Ramshot Hunter
<<locked>>
81%
39914
55%
**62
97%
[Ramshot Magnum]*
<<locked>>
82%
29892
41%
**36
90%
ReloadSwiss RS 14
<<locked>>
87%
31502
43%
**50
100%
ReloadSwiss RS 50
<<locked>>
81%
52112
72%
**17
99%
ReloadSwiss RS 52
<<locked>>
81%
59016
81%
**84
100%
ReloadSwiss RS 60
<<locked>>
81%
48211
66%
**56
100%
ReloadSwiss RS 62
<<locked>>
81%
41626
57%
**05
99%
ReloadSwiss RS 70
<<locked>>
81%
39987
55%
**12
98%
[ReloadSwiss RS 76]*
<<locked>>
87%
30110
42%
**85
90%
Rottweil R 902
<<locked>>
81%
55158
76%
**13
100%
Rottweil R 903
<<locked>>
81%
49124
68%
**71
100%
[Rottweil R 904]*
<<locked>>
81%
36724
51%
**38
92%
[Rottweil R 905]*
<<locked>>
81%
34418
47%
**38
93%
Rottweil R 907
<<locked>>
81%
45759
63%
**95
97%
SNPE Vectan SP 11
<<locked>>
81%
49632
68%
**13
100%
SNPE Vectan SP 9
<<locked>>
81%
57377
79%
**85
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
58523
81%
**84
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
49763
69%
**59
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
43511
60%
**23
97%
Shooters World Long Rifle
<<locked>>
81%
44759
62%
**79
99%
Shooters World Match Rifle
<<locked>>
81%
60365
83%
**95
100%
Shooters World Precision
<<locked>>
81%
53301
74%
**00
100%
Somchem S335
<<locked>>
81%
58421
81%
**84
100%
Somchem S341
<<locked>>
81%
59872
83%
**05
100%
Somchem S355
<<locked>>
81%
49139
68%
**64
100%
[Somchem S361]*
<<locked>>
81%
37362
52%
**21
91%
Somchem S365
<<locked>>
81%
37985
52%
**46
100%
[Somchem S385]*
<<locked>>
81%
35331
49%
**31
94%
Vihtavuori N133
<<locked>>
81%
55535
77%
**21
100%
Vihtavuori N135
<<locked>>
81%
48051
66%
**66
100%
Vihtavuori N140
<<locked>>
81%
54781
76%
**71
100%
Vihtavuori N150
<<locked>>
81%
42206
58%
**10
100%
Vihtavuori N160
<<locked>>
81%
44556
61%
**02
99%
[Vihtavuori N165]*
<<locked>>
81%
29602
41%
**74
90%
Vihtavuori N540
<<locked>>
81%
54926
76%
**07
100%
Vihtavuori N550
<<locked>>
81%
45194
62%
**48
99%
Vihtavuori N555
<<locked>>
81%
33489
46%
**44
98%
[Vihtavuori N560]*
<<locked>>
85%
35810
49%
**07
90%
[Vihtavuori N565]*
<<locked>>
89%
34316
47%
**74
90%
Winchester 6.5 StaBALL
<<locked>>
81%
41466
57%
**39
100%
Winchester 760
<<locked>>
81%
47195
65%
**97
98%
Winchester StaBALL HD
<<locked>>
81%
26963
37%
**56
97%

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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