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Load data for .270 Win. Ackley Improved + .277 | 150gr | Barnes TSX

Recommended Powder(s): Hodgdon H414, Hodgdon Superperformance, ReloadSwiss RS 62, ReloadSwiss RS 70, Winchester 760

.270 Win. Ackley Improved + .277 | 150gr | Barnes TSX

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.277 | 150gr | Barnes TSX
Manufacturer SKU:
30269
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.277" | 7.04mm
Bullet Length:
1.300" | 33.0mm
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:
0.550" | 14.0mm
Shank Seated Depth:
0.550" | 14.0mm
Case Capacity:
70.0 Grains of Water | 4.55 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
72519 psi | 5000 bar
LID:
LID_B550_C272
Last updated:
2026-01-12

Load data for 222 loads in caliber .270 Win. Ackley Improved with .277 | 150gr | Barnes TSX bullet and 111 powders such as Hodgdon H414, Hodgdon Superperformance, ReloadSwiss RS 62, 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%
65151
90%
**15
101%
ADI AR 2206H
<<locked>>
86%
65195
90%
**00
100%
ADI AR 2208
<<locked>>
91%
64542
89%
**81
100%
ADI AR 2209
<<locked>>
97%
55274
76%
**44
98%
ADI AR 2213
<<locked>>
97%
49661
68%
**82
96%
Accurate 2200
<<locked>>
84%
64759
89%
**71
100%
Accurate 2495
<<locked>>
83%
64179
89%
**02
100%
Accurate 2520
<<locked>>
83%
64339
89%
**48
100%
Accurate 2700
<<locked>>
91%
64368
89%
**41
100%
Accurate 3100
<<locked>>
97%
48182
66%
**94
99%
Accurate 4064
<<locked>>
89%
64469
89%
**41
100%
Accurate 4350
<<locked>>
96%
64614
89%
**43
100%
[Accurate MAGPRO]*
<<locked>>
97%
47268
65%
**62
93%
Alliant AR-Comp
<<locked>>
83%
64788
89%
**82
100%
Alliant Reloder- TS 15.5
<<locked>>
90%
64484
89%
**84
100%
Alliant Reloder-15
<<locked>>
89%
65253
90%
**23
100%
Alliant Reloder-16
<<locked>>
96%
61641
85%
**56
100%
Alliant Reloder-17
<<locked>>
93%
64759
89%
**89
100%
Alliant Reloder-19
<<locked>>
97%
53969
74%
**28
98%
Alliant Reloder-22
<<locked>>
97%
48399
67%
**76
97%
Alliant Reloder-23
<<locked>>
97%
45281
62%
**17
100%
Alliant Reloder-25
<<locked>>
97%
39958
55%
**38
98%
Alliant Reloder-26
<<locked>>
97%
51547
71%
**04
100%
Baschieri & Pellagri 107
<<locked>>
86%
65238
90%
**20
100%
Bofors RP15
<<locked>>
97%
44440
61%
**03
96%
Bofors RP3
<<locked>>
90%
65209
90%
**97
100%
Bofors RP5
<<locked>>
97%
48399
67%
**76
97%
Bofors RP7
<<locked>>
94%
64803
89%
**94
100%
Hodgdon BL-C2
<<locked>>
83%
64716
89%
**90
100%
Hodgdon Benchmark
<<locked>>
84%
64905
89%
**18
100%
Hodgdon CFE223
<<locked>>
88%
64513
89%
**43
100%
Hodgdon H380
<<locked>>
90%
64832
89%
**13
100%
Hodgdon H414 👍
<<locked>>
92%
64701
89%
**66
100%
Hodgdon H4350
<<locked>>
97%
58958
81%
**44
99%
[Hodgdon H4831]*
<<locked>>
97%
45498
63%
**51
94%
Hodgdon H4831 SC
<<locked>>
97%
51938
72%
**69
96%
Hodgdon Hybrid 100V
<<locked>>
97%
58291
80%
**25
100%
Hodgdon LVR
<<locked>>
95%
64310
89%
**43
100%
Hodgdon Superperformance 👍
<<locked>>
94%
64310
89%
**95
100%
Hodgdon VARGET
<<locked>>
92%
65108
90%
**87
100%
Hodgdon TrailBoss
<<locked>>
97%
34940
48%
**90
100%
IMR 3031
<<locked>>
87%
64498
89%
**48
100%
IMR 4064
<<locked>>
91%
64150
88%
**64
100%
IMR 4166 Enduron
<<locked>>
92%
64919
90%
**71
100%
IMR 4350
<<locked>>
97%
62932
87%
**94
100%
IMR 4451 Enduron
<<locked>>
94%
65238
90%
**04
100%
IMR 4831
<<locked>>
96%
54592
75%
**95
100%
IMR 4895
<<locked>>
87%
64774
89%
**13
100%
IMR 4955 Enduron
<<locked>>
97%
50618
70%
**10
96%
IMR 7828 SSC
<<locked>>
97%
50401
69%
**05
96%
IMR 8208 XBR
<<locked>>
84%
64339
89%
**51
100%
Lovex D073.6
<<locked>>
85%
64788
89%
**51
100%
Lovex S060
<<locked>>
87%
64803
89%
**35
100%
Lovex S062
<<locked>>
89%
65093
90%
**64
100%
Lovex S065
<<locked>>
96%
64890
89%
**90
100%
Lovex S070
<<locked>>
96%
64237
89%
**13
100%
Lovex S071
<<locked>>
97%
40016
55%
**46
97%
Norma 201
<<locked>>
86%
64223
89%
**48
100%
Norma 202
<<locked>>
86%
64643
89%
**35
100%
Norma 203B
<<locked>>
89%
64397
89%
**97
100%
Norma 204
<<locked>>
97%
64324
89%
**56
99%
Norma MRP
<<locked>>
97%
50517
70%
**48
99%
Norma URP
<<locked>>
97%
64324
89%
**40
100%
Ramshot Big Game
<<locked>>
88%
64107
88%
**10
100%
Ramshot Grand
<<locked>>
97%
53388
74%
**74
97%
Ramshot Hunter
<<locked>>
97%
62859
87%
**46
100%
Ramshot Magnum
<<locked>>
97%
46050
64%
**17
97%
Ramshot TAC
<<locked>>
84%
64846
89%
**87
100%
Ramshot Wild Boar
<<locked>>
84%
65021
90%
**94
100%
ReloadSwiss RS 14
<<locked>>
96%
35491
49%
**29
100%
ReloadSwiss RS 50
<<locked>>
90%
65108
90%
**04
100%
ReloadSwiss RS 52
<<locked>>
85%
64382
89%
**59
100%
ReloadSwiss RS 60
<<locked>>
91%
65267
90%
**89
100%
ReloadSwiss RS 62 👍
<<locked>>
96%
64020
88%
**59
100%
ReloadSwiss RS 70 👍
<<locked>>
97%
64817
89%
**22
100%
ReloadSwiss RS 76
<<locked>>
97%
38276
53%
**28
95%
Rottweil R 901
<<locked>>
84%
64237
89%
**05
100%
Rottweil R 902
<<locked>>
88%
64426
89%
**38
100%
Rottweil R 903
<<locked>>
92%
65108
90%
**94
100%
Rottweil R 904
<<locked>>
97%
56971
79%
**22
97%
Rottweil R 905
<<locked>>
97%
53679
74%
**15
98%
Rottweil R 907
<<locked>>
94%
64803
89%
**94
100%
SNPE Vectan SP 11
<<locked>>
91%
64992
90%
**30
100%
SNPE Vectan SP 7
<<locked>>
85%
64716
89%
**84
100%
SNPE Vectan SP 9
<<locked>>
86%
64571
89%
**87
100%
SNPE Vectan Tubal 3000
<<locked>>
86%
63918
88%
**53
100%
SNPE Vectan Tubal 5000
<<locked>>
91%
64556
89%
**53
100%
SNPE Vectan Tubal 7000
<<locked>>
95%
64469
89%
**41
100%
Shooters World Long Rifle
<<locked>>
96%
64890
89%
**90
100%
Shooters World Match Rifle
<<locked>>
85%
64788
89%
**51
100%
Shooters World Precision
<<locked>>
89%
65093
90%
**64
100%
Somchem S335
<<locked>>
86%
64440
89%
**66
100%
Somchem S341
<<locked>>
85%
64310
89%
**61
100%
Somchem S355
<<locked>>
92%
65108
90%
**90
100%
Somchem S361
<<locked>>
97%
58827
81%
**15
97%
Somchem S365
<<locked>>
97%
59683
82%
**97
100%
Somchem S385
<<locked>>
97%
54331
75%
**95
99%
Vihtavuori N133
<<locked>>
88%
64716
89%
**43
100%
Vihtavuori N135
<<locked>>
93%
64963
90%
**92
100%
Vihtavuori N140
<<locked>>
88%
64745
89%
**08
100%
Vihtavuori N150
<<locked>>
96%
63396
87%
**22
100%
Vihtavuori N160
<<locked>>
94%
64295
89%
**97
100%
Vihtavuori N165
<<locked>>
97%
45281
62%
**38
97%
Vihtavuori N540
<<locked>>
88%
65180
90%
**38
100%
Vihtavuori N550
<<locked>>
94%
64803
89%
**53
100%
Vihtavuori N555
<<locked>>
97%
51271
71%
**02
100%
Vihtavuori N560
<<locked>>
96%
47921
66%
**82
95%
[Vihtavuori N565]*
<<locked>>
97%
40741
56%
**35
93%
Winchester 6.5 StaBALL
<<locked>>
96%
64411
89%
**71
100%
Winchester 760 👍
<<locked>>
92%
64701
89%
**66
100%
Winchester StaBALL HD
<<locked>>
97%
39581
55%
**66
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
81%
59843
83%
**42
101%
ADI AR 2206H
<<locked>>
81%
56057
77%
**72
100%
ADI AR 2208
<<locked>>
81%
47413
65%
**31
100%
[ADI AR 2209]*
<<locked>>
81%
32996
46%
**92
91%
[ADI AR 2213]*
<<locked>>
87%
35984
50%
**84
90%
Accurate 2200
<<locked>>
81%
58291
80%
**82
100%
Accurate 2495
<<locked>>
81%
59756
82%
**56
100%
Accurate 2520
<<locked>>
81%
60060
83%
**95
100%
Accurate 2700
<<locked>>
81%
45774
63%
**62
97%
[Accurate 3100]*
<<locked>>
81%
28152
39%
**64
92%
Accurate 4064
<<locked>>
81%
50763
70%
**57
100%
Accurate 4350
<<locked>>
81%
38464
53%
**30
98%
[Accurate MAGPRO]*
<<locked>>
92%
40306
56%
**21
90%
Alliant AR-Comp
<<locked>>
81%
60147
83%
**33
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
48080
66%
**61
100%
Alliant Reloder-15
<<locked>>
81%
51517
71%
**26
100%
Alliant Reloder-16
<<locked>>
81%
37405
52%
**36
99%
Alliant Reloder-17
<<locked>>
81%
42641
59%
**64
100%
[Alliant Reloder-19]*
<<locked>>
81%
32648
45%
**95
91%
[Alliant Reloder-22]*
<<locked>>
84%
31067
43%
**92
90%
Alliant Reloder-23
<<locked>>
81%
27499
38%
**03
96%
[Alliant Reloder-25]*
<<locked>>
83%
25657
35%
**31
90%
Alliant Reloder-26
<<locked>>
81%
29428
41%
**11
95%
Baschieri & Pellagri 107
<<locked>>
81%
56072
77%
**92
100%
[Bofors RP15]*
<<locked>>
86%
31270
43%
**92
90%
Bofors RP3
<<locked>>
81%
48269
67%
**64
100%
[Bofors RP5]*
<<locked>>
84%
31067
43%
**92
90%
Bofors RP7
<<locked>>
81%
42772
59%
**52
97%
Hodgdon BL-C2
<<locked>>
81%
59437
82%
**25
100%
Hodgdon Benchmark
<<locked>>
81%
59611
82%
**49
100%
Hodgdon CFE223
<<locked>>
81%
50531
70%
**43
100%
Hodgdon H380
<<locked>>
81%
49168
68%
**87
100%
Hodgdon H414
<<locked>>
81%
43903
61%
**44
97%
[Hodgdon H4350]*
<<locked>>
81%
36477
50%
**34
94%
[Hodgdon H4831]*
<<locked>>
90%
36753
51%
**64
90%
[Hodgdon H4831 SC]*
<<locked>>
86%
36347
50%
**64
90%
Hodgdon Hybrid 100V
<<locked>>
81%
34867
48%
**34
99%
Hodgdon LVR
<<locked>>
81%
41278
57%
**82
99%
Hodgdon Superperformance
<<locked>>
81%
39595
55%
**85
96%
Hodgdon VARGET
<<locked>>
81%
47079
65%
**25
100%
Hodgdon TrailBoss
<<locked>>
92%
32605
45%
**47
100%
IMR 3031
<<locked>>
81%
52997
73%
**00
100%
IMR 4064
<<locked>>
81%
46920
65%
**12
100%
IMR 4166 Enduron
<<locked>>
81%
46253
64%
**85
98%
IMR 4350
<<locked>>
81%
38392
53%
**74
95%
IMR 4451 Enduron
<<locked>>
81%
44266
61%
**82
97%
IMR 4831
<<locked>>
81%
33823
47%
**11
97%
IMR 4895
<<locked>>
81%
52765
73%
**49
100%
[IMR 4955 Enduron]*
<<locked>>
85%
35302
49%
**05
90%
[IMR 7828 SSC]*
<<locked>>
86%
35360
49%
**87
90%
IMR 8208 XBR
<<locked>>
81%
58204
80%
**69
100%
Lovex D073.6
<<locked>>
81%
56362
78%
**46
100%
Lovex S060
<<locked>>
81%
54810
76%
**00
100%
Lovex S062
<<locked>>
81%
50256
69%
**61
100%
Lovex S065
<<locked>>
81%
41655
57%
**26
98%
Lovex S070
<<locked>>
81%
39682
55%
**10
97%
[Lovex S071]*
<<locked>>
82%
24656
34%
**59
90%
Norma 201
<<locked>>
81%
54998
76%
**26
100%
Norma 202
<<locked>>
81%
55477
76%
**20
100%
Norma 203B
<<locked>>
81%
50734
70%
**10
100%
[Norma 204]*
<<locked>>
81%
37652
52%
**97
93%
[Norma MRP]*
<<locked>>
81%
29573
41%
**69
91%
Norma URP
<<locked>>
81%
38348
53%
**23
98%
Ramshot Big Game
<<locked>>
81%
51285
71%
**36
100%
[Ramshot Grand]*
<<locked>>
85%
34940
48%
**87
90%
Ramshot Hunter
<<locked>>
81%
37246
51%
**10
96%
[Ramshot Magnum]*
<<locked>>
85%
30284
42%
**56
90%
Ramshot TAC
<<locked>>
81%
58595
81%
**02
100%
Ramshot Wild Boar
<<locked>>
81%
58755
81%
**22
100%
ReloadSwiss RS 14
<<locked>>
89%
31720
44%
**54
100%
ReloadSwiss RS 50
<<locked>>
81%
48921
67%
**64
99%
ReloadSwiss RS 52
<<locked>>
81%
55796
77%
**41
100%
ReloadSwiss RS 60
<<locked>>
81%
45295
62%
**17
100%
ReloadSwiss RS 62
<<locked>>
81%
38116
53%
**46
98%
ReloadSwiss RS 70
<<locked>>
81%
37275
51%
**56
98%
[ReloadSwiss RS 76]*
<<locked>>
90%
30618
42%
**08
90%
Rottweil R 901
<<locked>>
81%
59103
82%
**36
100%
Rottweil R 902
<<locked>>
81%
52576
73%
**80
100%
Rottweil R 903
<<locked>>
81%
45730
63%
**18
100%
[Rottweil R 904]*
<<locked>>
81%
34142
47%
**85
90%
[Rottweil R 905]*
<<locked>>
81%
31575
44%
**72
91%
Rottweil R 907
<<locked>>
81%
42772
59%
**52
97%
SNPE Vectan SP 11
<<locked>>
81%
46789
65%
**67
100%
SNPE Vectan SP 7
<<locked>>
81%
57508
79%
**82
100%
SNPE Vectan SP 9
<<locked>>
81%
54520
75%
**46
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
55753
77%
**57
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
47036
65%
**26
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
40814
56%
**77
97%
Shooters World Long Rifle
<<locked>>
81%
41655
57%
**26
98%
Shooters World Match Rifle
<<locked>>
81%
56362
78%
**46
100%
Shooters World Precision
<<locked>>
81%
50256
69%
**61
100%
Somchem S335
<<locked>>
81%
55506
77%
**54
100%
Somchem S341
<<locked>>
81%
57130
79%
**72
100%
Somchem S355
<<locked>>
81%
46064
64%
**18
100%
[Somchem S361]*
<<locked>>
82%
36027
50%
**05
90%
Somchem S365
<<locked>>
81%
34766
48%
**87
100%
[Somchem S385]*
<<locked>>
81%
32024
44%
**59
92%
Vihtavuori N133
<<locked>>
81%
52591
73%
**92
100%
Vihtavuori N135
<<locked>>
81%
44672
62%
**26
100%
Vihtavuori N140
<<locked>>
81%
51735
71%
**38
100%
Vihtavuori N150
<<locked>>
81%
39247
54%
**67
100%
Vihtavuori N160
<<locked>>
81%
41321
57%
**49
99%
[Vihtavuori N165]*
<<locked>>
84%
29559
41%
**87
90%
Vihtavuori N540
<<locked>>
81%
51430
71%
**61
100%
Vihtavuori N550
<<locked>>
81%
42119
58%
**98
99%
Vihtavuori N555
<<locked>>
81%
30095
42%
**72
96%
[Vihtavuori N560]*
<<locked>>
88%
36201
50%
**33
90%
[Vihtavuori N565]*
<<locked>>
92%
34577
48%
**93
90%
Winchester 6.5 StaBALL
<<locked>>
81%
38943
54%
**97
100%
Winchester 760
<<locked>>
81%
43903
61%
**44
97%
Winchester StaBALL HD
<<locked>>
81%
24279
33%
**67
95%

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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