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Load data for .270 Win. Ackley Improved + .277 | 140gr | Frontier BTSP

Recommended Powder(s): Hodgdon H414, Hodgdon LVR, ReloadSwiss RS 70, Vihtavuori N550, Winchester 760

.270 Win. Ackley Improved + .277 | 140gr | Frontier BTSP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.277 | 140gr | Frontier BTSP
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_B10464_C272
Last updated:
2026-02-13
Recommended Twist Rate:
1:8 - 1:7

Load data for 236 loads in caliber .270 Win. Ackley Improved with .277 | 140gr | Frontier BTSP bullet and 118 powders such as Hodgdon H414, Hodgdon LVR, ReloadSwiss RS 70, Vihtavuori N550, 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%
64730
89%
**67
101%
ADI AR 2206H
<<locked>>
88%
64426
89%
**76
100%
ADI AR 2208
<<locked>>
94%
65238
90%
**76
100%
ADI AR 2209
<<locked>>
97%
50270
69%
**41
96%
[ADI AR 2213]*
<<locked>>
97%
44599
61%
**43
92%
Accurate 2015
<<locked>>
84%
65079
90%
**48
100%
Accurate 2200
<<locked>>
86%
64788
89%
**49
100%
Accurate 2495
<<locked>>
86%
64614
89%
**04
100%
Accurate 2520
<<locked>>
86%
64977
90%
**46
100%
Accurate 2700
<<locked>>
94%
64890
89%
**23
99%
Accurate 3100
<<locked>>
97%
43453
60%
**90
97%
Accurate 4064
<<locked>>
92%
65079
90%
**40
100%
Accurate 4350
<<locked>>
97%
59930
83%
**76
100%
Alliant AR-Comp
<<locked>>
86%
64687
89%
**81
100%
Alliant Power Pro 2000-MR
<<locked>>
90%
65166
90%
**07
100%
Alliant Reloder- TS 15.5
<<locked>>
93%
64687
89%
**79
100%
Alliant Reloder-15
<<locked>>
91%
64469
89%
**99
100%
Alliant Reloder-16
<<locked>>
96%
56275
78%
**66
100%
Alliant Reloder-17
<<locked>>
95%
64208
89%
**77
100%
Alliant Reloder-19
<<locked>>
97%
49414
68%
**22
96%
Alliant Reloder-22
<<locked>>
97%
43250
60%
**56
95%
Alliant Reloder-23
<<locked>>
97%
41379
57%
**26
100%
Alliant Reloder-25
<<locked>>
97%
36071
50%
**08
95%
Alliant Reloder-26
<<locked>>
96%
45643
63%
**81
99%
Baschieri & Pellagri 107
<<locked>>
88%
65050
90%
**02
100%
[Bofors RP15]*
<<locked>>
97%
40364
56%
**90
93%
Bofors RP3
<<locked>>
92%
64426
89%
**82
100%
Bofors RP5
<<locked>>
97%
43250
60%
**56
95%
Bofors RP7
<<locked>>
97%
65151
90%
**76
99%
Hodgdon BL-C2
<<locked>>
86%
64426
89%
**79
100%
Hodgdon Benchmark
<<locked>>
86%
65021
90%
**00
100%
Hodgdon CFE223
<<locked>>
90%
64092
88%
**25
100%
Hodgdon H322
<<locked>>
84%
64281
89%
**07
100%
Hodgdon H380
<<locked>>
92%
64571
89%
**99
100%
Hodgdon H414 👍
<<locked>>
95%
64179
89%
**54
100%
Hodgdon H4350
<<locked>>
97%
54868
76%
**54
98%
[Hodgdon H4831 SC]*
<<locked>>
97%
46905
65%
**46
93%
Hodgdon H4895
<<locked>>
88%
65122
90%
**89
100%
Hodgdon Hybrid 100V
<<locked>>
97%
52953
73%
**35
100%
Hodgdon LVR 👍
<<locked>>
97%
63324
87%
**18
100%
Hodgdon Superperformance
<<locked>>
97%
63280
87%
**71
99%
Hodgdon VARGET
<<locked>>
94%
64643
89%
**63
100%
Hodgdon TrailBoss
<<locked>>
96%
34360
47%
**29
100%
IMR 3031
<<locked>>
90%
64730
89%
**40
100%
IMR 4064
<<locked>>
94%
64817
89%
**53
100%
IMR 4166 Enduron
<<locked>>
94%
63947
88%
**46
99%
IMR 4350
<<locked>>
97%
57827
80%
**94
99%
IMR 4451 Enduron
<<locked>>
96%
64585
89%
**72
99%
IMR 4831
<<locked>>
97%
50285
69%
**15
100%
IMR 4895
<<locked>>
90%
64948
90%
**12
100%
[IMR 4955 Enduron]*
<<locked>>
97%
46601
64%
**10
93%
[IMR 7828 SSC]*
<<locked>>
97%
46282
64%
**95
93%
IMR 8208 XBR
<<locked>>
87%
64890
89%
**46
100%
Lovex D073.6
<<locked>>
88%
64977
90%
**46
100%
Lovex S060
<<locked>>
89%
64556
89%
**13
100%
Lovex S062
<<locked>>
91%
64440
89%
**46
100%
Lovex S065
<<locked>>
97%
62714
86%
**43
100%
Lovex S070
<<locked>>
97%
60452
83%
**40
99%
Lovex S071
<<locked>>
97%
36535
50%
**46
95%
Norma 201
<<locked>>
89%
65079
90%
**43
100%
Norma 202
<<locked>>
88%
65093
90%
**27
100%
Norma 203B
<<locked>>
91%
64817
89%
**95
100%
Norma 204
<<locked>>
97%
58711
81%
**46
98%
Norma MRP
<<locked>>
97%
46137
64%
**41
97%
Norma URP
<<locked>>
97%
58914
81%
**66
100%
Ramshot Big Game
<<locked>>
91%
64977
90%
**12
100%
[Ramshot Grand]*
<<locked>>
97%
48298
67%
**44
94%
Ramshot Hunter
<<locked>>
97%
57029
79%
**49
99%
[Ramshot Magnum]*
<<locked>>
97%
41640
57%
**97
94%
Ramshot TAC
<<locked>>
86%
64324
89%
**69
100%
Ramshot Wild Boar
<<locked>>
86%
64846
89%
**86
100%
Ramshot X-Terminator
<<locked>>
84%
64672
89%
**36
100%
ReloadSwiss RS 14
<<locked>>
96%
34838
48%
**65
100%
ReloadSwiss RS 40
<<locked>>
83%
65151
90%
**30
100%
ReloadSwiss RS 50
<<locked>>
92%
65079
90%
**82
100%
ReloadSwiss RS 52
<<locked>>
88%
64875
89%
**58
100%
ReloadSwiss RS 60
<<locked>>
94%
64411
89%
**84
100%
ReloadSwiss RS 62
<<locked>>
97%
59292
82%
**95
100%
ReloadSwiss RS 70 👍
<<locked>>
97%
58856
81%
**31
100%
Rottweil R 901
<<locked>>
86%
64411
89%
**00
100%
Rottweil R 902
<<locked>>
90%
64208
89%
**23
100%
Rottweil R 903
<<locked>>
95%
65253
90%
**86
100%
Rottweil R 904
<<locked>>
97%
52402
72%
**18
95%
Rottweil R 905
<<locked>>
97%
48805
67%
**15
96%
Rottweil R 907
<<locked>>
97%
65151
90%
**76
99%
SNPE Vectan SP 11
<<locked>>
93%
64905
89%
**15
100%
SNPE Vectan SP 7
<<locked>>
87%
64687
89%
**66
100%
SNPE Vectan SP 9
<<locked>>
89%
64440
89%
**69
100%
SNPE Vectan Tubal 3000
<<locked>>
88%
64861
89%
**51
100%
SNPE Vectan Tubal 5000
<<locked>>
93%
64034
88%
**31
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
62381
86%
**94
99%
Shooters World Long Rifle
<<locked>>
97%
62714
86%
**43
100%
Shooters World Match Rifle
<<locked>>
88%
64977
90%
**46
100%
Shooters World Precision
<<locked>>
91%
64440
89%
**46
100%
Somchem S321
<<locked>>
84%
64730
89%
**56
100%
Somchem S335
<<locked>>
88%
64382
89%
**48
100%
Somchem S341
<<locked>>
87%
65224
90%
**59
100%
Somchem S355
<<locked>>
95%
64774
89%
**76
100%
Somchem S361
<<locked>>
97%
54157
75%
**08
95%
Somchem S365
<<locked>>
97%
53490
74%
**07
100%
Somchem S385
<<locked>>
97%
48776
67%
**79
97%
Vihtavuori N130
<<locked>>
85%
65035
90%
**12
100%
Vihtavuori N133
<<locked>>
90%
64121
88%
**22
100%
Vihtavuori N135
<<locked>>
96%
64571
89%
**77
100%
Vihtavuori N140
<<locked>>
91%
65209
90%
**97
100%
Vihtavuori N150
<<locked>>
97%
59437
82%
**64
100%
Vihtavuori N160
<<locked>>
97%
64687
89%
**95
100%
[Vihtavuori N165]*
<<locked>>
97%
41176
57%
**31
94%
Vihtavuori N530
<<locked>>
85%
65035
90%
**56
100%
Vihtavuori N540
<<locked>>
90%
64600
89%
**23
100%
Vihtavuori N550 👍
<<locked>>
97%
64556
89%
**38
100%
Vihtavuori N555
<<locked>>
97%
46079
64%
**95
100%
[Vihtavuori N560]*
<<locked>>
97%
44077
61%
**79
92%
Winchester 6.5 StaBALL
<<locked>>
97%
60901
84%
**23
100%
Winchester 748
<<locked>>
84%
65166
90%
**76
100%
Winchester 760 👍
<<locked>>
95%
64179
89%
**54
100%
Winchester StaBALL HD
<<locked>>
97%
33315
46%
**30
100%
Winchester Supreme 780
<<locked>>
97%
50865
70%
**05
96%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
81%
59248
82%
**88
100%
ADI AR 2206H
<<locked>>
81%
52301
72%
**05
100%
ADI AR 2208
<<locked>>
81%
44208
61%
**54
99%
[ADI AR 2209]*
<<locked>>
85%
34911
48%
**07
90%
[ADI AR 2213]*
<<locked>>
93%
39392
54%
**25
90%
Accurate 2015
<<locked>>
81%
58508
81%
**76
100%
Accurate 2200
<<locked>>
81%
54389
75%
**05
100%
Accurate 2495
<<locked>>
81%
54607
75%
**76
100%
Accurate 2520
<<locked>>
81%
55347
76%
**25
100%
Accurate 2700
<<locked>>
81%
42395
58%
**62
95%
[Accurate 3100]*
<<locked>>
83%
26890
37%
**93
90%
Accurate 4064
<<locked>>
81%
46311
64%
**80
100%
Accurate 4350
<<locked>>
81%
34940
48%
**26
97%
Alliant AR-Comp
<<locked>>
81%
55695
77%
**69
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
48530
67%
**58
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
44425
61%
**74
100%
Alliant Reloder-15
<<locked>>
81%
47674
66%
**49
100%
Alliant Reloder-16
<<locked>>
81%
34403
47%
**33
97%
Alliant Reloder-17
<<locked>>
81%
38812
54%
**61
99%
[Alliant Reloder-19]*
<<locked>>
84%
33504
46%
**80
90%
[Alliant Reloder-22]*
<<locked>>
89%
34243
47%
**36
90%
[Alliant Reloder-23]*
<<locked>>
81%
25019
34%
**77
93%
[Alliant Reloder-25]*
<<locked>>
88%
27760
38%
**65
90%
[Alliant Reloder-26]*
<<locked>>
81%
26469
36%
**69
91%
Baschieri & Pellagri 107
<<locked>>
81%
51938
72%
**15
100%
[Bofors RP15]*
<<locked>>
92%
34287
47%
**39
90%
Bofors RP3
<<locked>>
81%
44657
62%
**90
100%
[Bofors RP5]*
<<locked>>
89%
34243
47%
**36
90%
[Bofors RP7]*
<<locked>>
81%
39508
54%
**46
94%
Hodgdon BL-C2
<<locked>>
81%
55027
76%
**54
100%
Hodgdon Benchmark
<<locked>>
81%
55637
77%
**79
100%
Hodgdon CFE223
<<locked>>
81%
46456
64%
**56
99%
Hodgdon H322
<<locked>>
81%
57682
80%
**28
100%
Hodgdon H380
<<locked>>
81%
45150
62%
**90
99%
Hodgdon H414
<<locked>>
81%
40059
55%
**38
95%
[Hodgdon H4350]*
<<locked>>
81%
33489
46%
**28
92%
[Hodgdon H4831 SC]*
<<locked>>
92%
39740
55%
**02
90%
Hodgdon H4895
<<locked>>
81%
52852
73%
**08
100%
Hodgdon Hybrid 100V
<<locked>>
81%
31778
44%
**31
97%
Hodgdon LVR
<<locked>>
81%
37782
52%
**79
97%
[Hodgdon Superperformance]*
<<locked>>
81%
36027
50%
**72
93%
Hodgdon VARGET
<<locked>>
81%
43888
61%
**38
99%
Hodgdon TrailBoss
<<locked>>
88%
30472
42%
**50
100%
IMR 3031
<<locked>>
81%
48820
67%
**33
100%
IMR 4064
<<locked>>
81%
43584
60%
**31
99%
IMR 4166 Enduron
<<locked>>
81%
42714
59%
**92
96%
[IMR 4350]*
<<locked>>
81%
35099
48%
**67
93%
IMR 4451 Enduron
<<locked>>
81%
40944
56%
**79
95%
IMR 4831
<<locked>>
81%
30414
42%
**95
95%
IMR 4895
<<locked>>
81%
48965
68%
**76
100%
[IMR 4955 Enduron]*
<<locked>>
90%
38580
53%
**39
90%
[IMR 7828 SSC]*
<<locked>>
92%
39146
54%
**38
90%
IMR 8208 XBR
<<locked>>
81%
54462
75%
**99
100%
Lovex D073.6
<<locked>>
81%
52315
72%
**76
100%
Lovex S060
<<locked>>
81%
51503
71%
**33
100%
Lovex S062
<<locked>>
81%
46760
64%
**90
100%
Lovex S065
<<locked>>
81%
38247
53%
**26
96%
[Lovex S070]*
<<locked>>
81%
36753
51%
**10
94%
[Lovex S071]*
<<locked>>
88%
26890
37%
**93
90%
Norma 201
<<locked>>
81%
50836
70%
**43
100%
Norma 202
<<locked>>
81%
51474
71%
**46
100%
Norma 203B
<<locked>>
81%
47181
65%
**36
100%
[Norma 204]*
<<locked>>
81%
34447
47%
**90
90%
[Norma MRP]*
<<locked>>
85%
31082
43%
**80
90%
Norma URP
<<locked>>
81%
35056
48%
**26
96%
Ramshot Big Game
<<locked>>
81%
47123
65%
**53
100%
[Ramshot Grand]*
<<locked>>
90%
38580
53%
**31
90%
[Ramshot Hunter]*
<<locked>>
81%
33924
47%
**03
94%
[Ramshot Magnum]*
<<locked>>
90%
33272
46%
**90
90%
Ramshot TAC
<<locked>>
81%
54360
75%
**22
99%
Ramshot Wild Boar
<<locked>>
81%
54520
75%
**38
100%
Ramshot X-Terminator
<<locked>>
81%
58421
81%
**54
100%
ReloadSwiss RS 14
<<locked>>
83%
28747
40%
**40
100%
ReloadSwiss RS 40
<<locked>>
81%
60626
84%
**74
100%
ReloadSwiss RS 50
<<locked>>
81%
45208
62%
**71
97%
ReloadSwiss RS 52
<<locked>>
81%
50981
70%
**58
100%
ReloadSwiss RS 60
<<locked>>
81%
41263
57%
**23
100%
ReloadSwiss RS 62
<<locked>>
81%
34635
48%
**46
96%
ReloadSwiss RS 70
<<locked>>
81%
34171
47%
**46
95%
Rottweil R 901
<<locked>>
81%
55143
76%
**76
100%
Rottweil R 902
<<locked>>
81%
48515
67%
**97
100%
Rottweil R 903
<<locked>>
81%
42061
58%
**38
100%
[Rottweil R 904]*
<<locked>>
86%
36521
50%
**07
90%
[Rottweil R 905]*
<<locked>>
85%
32938
45%
**74
90%
[Rottweil R 907]*
<<locked>>
81%
39508
54%
**46
94%
SNPE Vectan SP 11
<<locked>>
81%
43062
59%
**87
99%
SNPE Vectan SP 7
<<locked>>
81%
53330
74%
**02
100%
SNPE Vectan SP 9
<<locked>>
81%
50459
70%
**66
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
52272
72%
**87
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
43772
60%
**56
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
37666
52%
**70
95%
Shooters World Long Rifle
<<locked>>
81%
38247
53%
**26
96%
Shooters World Match Rifle
<<locked>>
81%
52315
72%
**76
100%
Shooters World Precision
<<locked>>
81%
46760
64%
**90
100%
Somchem S321
<<locked>>
81%
59596
82%
**84
100%
Somchem S335
<<locked>>
81%
51445
71%
**84
100%
Somchem S341
<<locked>>
81%
52968
73%
**95
100%
Somchem S355
<<locked>>
81%
42206
58%
**31
100%
[Somchem S361]*
<<locked>>
87%
39378
54%
**39
90%
Somchem S365
<<locked>>
81%
31270
43%
**77
99%
[Somchem S385]*
<<locked>>
82%
30356
42%
**82
90%
Vihtavuori N130
<<locked>>
81%
57479
79%
**26
100%
Vihtavuori N133
<<locked>>
81%
49023
68%
**28
100%
Vihtavuori N135
<<locked>>
81%
41510
57%
**59
100%
Vihtavuori N140
<<locked>>
81%
48225
67%
**77
100%
Vihtavuori N150
<<locked>>
81%
36129
50%
**77
99%
Vihtavuori N160
<<locked>>
81%
38014
52%
**59
97%
[Vihtavuori N165]*
<<locked>>
89%
31981
44%
**11
90%
Vihtavuori N530
<<locked>>
81%
57319
79%
**51
100%
Vihtavuori N540
<<locked>>
81%
47921
66%
**00
100%
Vihtavuori N550
<<locked>>
81%
38363
53%
**98
97%
[Vihtavuori N555]*
<<locked>>
81%
27122
37%
**59
94%
[Vihtavuori N560]*
<<locked>>
94%
39537
55%
**74
90%
Winchester 6.5 StaBALL
<<locked>>
81%
35882
49%
**03
99%
Winchester 748
<<locked>>
81%
59596
82%
**07
100%
Winchester 760
<<locked>>
81%
40059
55%
**38
95%
[Winchester StaBALL HD]*
<<locked>>
82%
22858
32%
**44
90%
[Winchester Supreme 780]*
<<locked>>
85%
33750
47%
**54
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.

<<locked>>... you need to buy an access license to unlock the data

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