top of page

Load data for .270 Win. Ackley Improved + .277 | 150gr | Hornady SST InterLock

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

.270 Win. Ackley Improved + .277 | 150gr | Hornady SST InterLock

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.277 | 150gr | Hornady SST InterLock
Manufacturer SKU:
27402
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.277" | 7.04mm
Bullet Length:
1.375" | 34.9mm
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:
0.625" | 15.9mm
Shank Seated Depth:
0.510" | 13.0mm
Case Capacity:
70.0 Grains of Water | 4.55 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
72519 psi | 5000 bar
LID:
LID_B2618_C272
Last updated:
2026-01-12
Recommended Twist Rate:
1:10 - 1:8

Load data for 224 loads in caliber .270 Win. Ackley Improved with .277 | 150gr | Hornady SST InterLock bullet and 112 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%
65122
90%
**11
101%
ADI AR 2206H
<<locked>>
86%
64992
90%
**97
100%
ADI AR 2208
<<locked>>
91%
64426
89%
**77
100%
ADI AR 2209
<<locked>>
96%
53722
74%
**15
98%
ADI AR 2213
<<locked>>
97%
48617
67%
**56
95%
Accurate 2200
<<locked>>
85%
65180
90%
**71
100%
Accurate 2495
<<locked>>
84%
64469
89%
**05
100%
Accurate 2520
<<locked>>
84%
65108
90%
**51
100%
Accurate 2700
<<locked>>
92%
64890
89%
**44
100%
Accurate 3100
<<locked>>
97%
47108
65%
**77
99%
Accurate 4064
<<locked>>
89%
64846
89%
**35
100%
Accurate 4350
<<locked>>
97%
64716
89%
**46
100%
[Accurate MAGPRO]*
<<locked>>
97%
46630
64%
**46
93%
Alliant AR-Comp
<<locked>>
83%
64237
89%
**72
100%
Alliant Reloder- TS 15.5
<<locked>>
91%
65137
90%
**94
100%
Alliant Reloder-15
<<locked>>
89%
65122
90%
**10
100%
Alliant Reloder-16
<<locked>>
97%
61380
85%
**43
100%
Alliant Reloder-17
<<locked>>
94%
65180
90%
**92
100%
Alliant Reloder-19
<<locked>>
97%
53113
73%
**08
98%
Alliant Reloder-22
<<locked>>
97%
47442
65%
**53
97%
Alliant Reloder-23
<<locked>>
97%
44759
62%
**00
100%
Alliant Reloder-25
<<locked>>
96%
38740
53%
**12
98%
Alliant Reloder-26
<<locked>>
97%
51155
71%
**94
100%
Baschieri & Pellagri 107
<<locked>>
86%
64600
89%
**07
100%
Bofors RP15
<<locked>>
96%
43192
60%
**71
95%
Bofors RP3
<<locked>>
90%
65151
90%
**94
100%
Bofors RP5
<<locked>>
97%
47442
65%
**53
97%
Bofors RP7
<<locked>>
94%
64223
89%
**87
100%
Hodgdon BL-C2
<<locked>>
84%
65253
90%
**97
100%
Hodgdon Benchmark
<<locked>>
84%
65079
90%
**15
100%
Hodgdon CFE223
<<locked>>
89%
64948
90%
**46
100%
Hodgdon H380
<<locked>>
90%
65238
90%
**07
100%
Hodgdon H414 👍
<<locked>>
93%
64571
89%
**66
100%
Hodgdon H4350
<<locked>>
97%
58421
81%
**28
99%
[Hodgdon H4831]*
<<locked>>
97%
45049
62%
**44
94%
Hodgdon H4831 SC
<<locked>>
97%
50995
70%
**46
95%
Hodgdon Hybrid 100V
<<locked>>
97%
58233
80%
**25
100%
Hodgdon LVR
<<locked>>
95%
65137
90%
**49
100%
Hodgdon Superperformance 👍
<<locked>>
95%
65021
90%
**05
100%
Hodgdon VARGET
<<locked>>
92%
65137
90%
**84
100%
Hodgdon TrailBoss
<<locked>>
95%
34301
47%
**73
100%
IMR 3031
<<locked>>
88%
64934
90%
**48
100%
IMR 4064
<<locked>>
92%
64701
89%
**67
100%
IMR 4166 Enduron
<<locked>>
93%
65253
90%
**81
100%
IMR 4350
<<locked>>
96%
61496
85%
**74
100%
IMR 4451 Enduron
<<locked>>
94%
64672
89%
**97
100%
IMR 4831
<<locked>>
96%
53969
74%
**89
100%
IMR 4895
<<locked>>
88%
64614
89%
**10
100%
IMR 4955 Enduron
<<locked>>
97%
50633
70%
**07
95%
IMR 7828 SSC
<<locked>>
97%
49501
68%
**92
96%
IMR 8208 XBR
<<locked>>
84%
64121
88%
**44
100%
Lovex D073.6
<<locked>>
85%
64643
89%
**48
100%
Lovex S060
<<locked>>
87%
64745
89%
**31
100%
Lovex S062
<<locked>>
90%
64788
89%
**58
100%
Lovex S065
<<locked>>
96%
64295
89%
**84
100%
Lovex S070
<<locked>>
96%
63686
88%
**00
100%
Lovex S071
<<locked>>
97%
39682
55%
**43
97%
Norma 201
<<locked>>
87%
64498
89%
**48
100%
Norma 202
<<locked>>
86%
64397
89%
**28
100%
Norma 203B
<<locked>>
89%
64411
89%
**97
100%
Norma 204
<<locked>>
97%
63860
88%
**43
99%
Norma MRP
<<locked>>
97%
49922
69%
**35
99%
Norma URP
<<locked>>
96%
62337
86%
**23
100%
Ramshot Big Game
<<locked>>
88%
64788
89%
**17
100%
Ramshot Grand
<<locked>>
97%
53084
73%
**64
97%
Ramshot Hunter
<<locked>>
97%
62207
86%
**40
100%
Ramshot Magnum
<<locked>>
97%
45498
63%
**10
97%
Ramshot TAC
<<locked>>
85%
65195
90%
**87
100%
Ramshot Wild Boar
<<locked>>
84%
64339
89%
**87
100%
ReloadSwiss RS 14
<<locked>>
97%
35549
49%
**26
100%
ReloadSwiss RS 50
<<locked>>
90%
64542
89%
**87
100%
ReloadSwiss RS 52
<<locked>>
86%
64614
89%
**59
100%
ReloadSwiss RS 60
<<locked>>
91%
64556
89%
**86
100%
ReloadSwiss RS 62 👍
<<locked>>
97%
65021
90%
**72
100%
ReloadSwiss RS 70 👍
<<locked>>
97%
62975
87%
**95
100%
ReloadSwiss RS 76
<<locked>>
97%
37811
52%
**18
95%
Rottweil R 901
<<locked>>
85%
64919
90%
**08
100%
Rottweil R 902
<<locked>>
88%
64687
89%
**38
100%
Rottweil R 903
<<locked>>
92%
64397
89%
**77
100%
Rottweil R 904
<<locked>>
97%
55564
77%
**95
97%
Rottweil R 905
<<locked>>
97%
53142
73%
**08
98%
Rottweil R 907
<<locked>>
94%
64223
89%
**87
100%
SNPE Vectan SP 11
<<locked>>
91%
64368
89%
**13
100%
SNPE Vectan SP 7
<<locked>>
85%
65108
90%
**84
100%
SNPE Vectan SP 9
<<locked>>
87%
64875
89%
**87
100%
SNPE Vectan Tubal 3000
<<locked>>
86%
64890
89%
**66
100%
SNPE Vectan Tubal 5000
<<locked>>
92%
64382
89%
**46
100%
SNPE Vectan Tubal 7000
<<locked>>
96%
65093
90%
**48
100%
Shooters World Long Rifle
<<locked>>
96%
64295
89%
**84
100%
Shooters World Match Rifle
<<locked>>
85%
64643
89%
**48
100%
Shooters World Precision
<<locked>>
90%
64788
89%
**58
100%
Somchem S335
<<locked>>
87%
64846
89%
**66
100%
Somchem S341
<<locked>>
85%
64658
89%
**64
100%
Somchem S355
<<locked>>
92%
64426
89%
**74
100%
Somchem S361
<<locked>>
97%
57479
79%
**85
97%
Somchem S365
<<locked>>
96%
57812
80%
**71
100%
Somchem S385
<<locked>>
97%
53476
74%
**85
99%
Vihtavuori N130
<<locked>>
83%
64455
89%
**17
100%
Vihtavuori N133
<<locked>>
88%
64571
89%
**36
100%
Vihtavuori N135
<<locked>>
94%
64701
89%
**85
100%
Vihtavuori N140
<<locked>>
88%
64745
89%
**05
100%
Vihtavuori N150
<<locked>>
97%
63193
87%
**18
100%
Vihtavuori N160
<<locked>>
95%
65195
90%
**13
100%
Vihtavuori N165
<<locked>>
96%
44019
61%
**08
96%
Vihtavuori N540
<<locked>>
89%
64919
90%
**35
100%
Vihtavuori N550
<<locked>>
94%
64252
89%
**40
100%
Vihtavuori N555
<<locked>>
97%
50111
69%
**79
100%
Vihtavuori N560
<<locked>>
97%
47355
65%
**66
95%
[Vihtavuori N565]*
<<locked>>
97%
39726
55%
**08
92%
Winchester 6.5 StaBALL
<<locked>>
96%
65050
90%
**77
100%
Winchester 760 👍
<<locked>>
93%
64571
89%
**66
100%
Winchester StaBALL HD
<<locked>>
97%
38870
54%
**49
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
81%
59756
82%
**36
101%
ADI AR 2206H
<<locked>>
81%
55767
77%
**66
100%
ADI AR 2208
<<locked>>
81%
47224
65%
**21
100%
[ADI AR 2209]*
<<locked>>
81%
32430
45%
**82
91%
[ADI AR 2213]*
<<locked>>
88%
35911
50%
**80
90%
Accurate 2200
<<locked>>
81%
57638
79%
**72
100%
Accurate 2495
<<locked>>
81%
58827
81%
**40
100%
Accurate 2520
<<locked>>
81%
59654
82%
**89
100%
Accurate 2700
<<locked>>
81%
45150
62%
**46
97%
[Accurate 3100]*
<<locked>>
81%
27934
39%
**57
92%
Accurate 4064
<<locked>>
81%
49821
69%
**48
100%
Accurate 4350
<<locked>>
81%
38174
53%
**23
98%
[Accurate MAGPRO]*
<<locked>>
92%
39798
55%
**12
90%
Alliant AR-Comp
<<locked>>
81%
59843
83%
**23
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
47718
66%
**51
100%
Alliant Reloder-15
<<locked>>
81%
51068
70%
**17
100%
Alliant Reloder-16
<<locked>>
81%
37115
51%
**23
98%
Alliant Reloder-17
<<locked>>
81%
42061
58%
**54
100%
[Alliant Reloder-19]*
<<locked>>
81%
32430
45%
**85
91%
[Alliant Reloder-22]*
<<locked>>
84%
30922
43%
**85
90%
Alliant Reloder-23
<<locked>>
81%
27122
37%
**87
96%
[Alliant Reloder-25]*
<<locked>>
83%
25759
36%
**34
90%
[Alliant Reloder-26]*
<<locked>>
81%
28950
40%
**95
94%
Baschieri & Pellagri 107
<<locked>>
81%
55376
76%
**82
100%
[Bofors RP15]*
<<locked>>
86%
31386
43%
**95
90%
Bofors RP3
<<locked>>
81%
48124
66%
**61
100%
[Bofors RP5]*
<<locked>>
84%
30922
43%
**85
90%
Bofors RP7
<<locked>>
81%
42308
58%
**36
96%
Hodgdon BL-C2
<<locked>>
81%
58726
81%
**15
100%
Hodgdon Benchmark
<<locked>>
81%
58929
81%
**36
100%
Hodgdon CFE223
<<locked>>
81%
49864
69%
**33
100%
Hodgdon H380
<<locked>>
81%
48414
67%
**71
100%
Hodgdon H414
<<locked>>
81%
43700
60%
**38
97%
[Hodgdon H4350]*
<<locked>>
81%
35839
49%
**15
94%
[Hodgdon H4831]*
<<locked>>
91%
36927
51%
**67
90%
[Hodgdon H4831 SC]*
<<locked>>
87%
36927
51%
**67
90%
Hodgdon Hybrid 100V
<<locked>>
81%
34548
48%
**25
99%
Hodgdon LVR
<<locked>>
81%
40857
56%
**72
98%
Hodgdon Superperformance
<<locked>>
81%
39088
54%
**72
96%
Hodgdon VARGET
<<locked>>
81%
46876
65%
**18
100%
Hodgdon TrailBoss
<<locked>>
92%
32779
45%
**47
100%
IMR 3031
<<locked>>
81%
52112
72%
**84
100%
IMR 4064
<<locked>>
81%
46325
64%
**95
100%
IMR 4166 Enduron
<<locked>>
81%
45498
63%
**75
98%
IMR 4350
<<locked>>
81%
37739
52%
**64
95%
IMR 4451 Enduron
<<locked>>
81%
43685
60%
**66
97%
IMR 4831
<<locked>>
81%
33098
46%
**88
97%
IMR 4895
<<locked>>
81%
52460
72%
**49
100%
[IMR 4955 Enduron]*
<<locked>>
86%
35766
49%
**11
90%
[IMR 7828 SSC]*
<<locked>>
87%
35839
49%
**97
90%
IMR 8208 XBR
<<locked>>
81%
57885
80%
**62
100%
Lovex D073.6
<<locked>>
81%
56115
77%
**40
100%
Lovex S060
<<locked>>
81%
54607
75%
**90
100%
Lovex S062
<<locked>>
81%
50082
69%
**54
100%
Lovex S065
<<locked>>
81%
41060
57%
**16
98%
Lovex S070
<<locked>>
81%
39218
54%
**97
96%
[Lovex S071]*
<<locked>>
82%
24918
34%
**72
90%
Norma 201
<<locked>>
81%
54244
75%
**10
100%
Norma 202
<<locked>>
81%
54984
76%
**10
100%
Norma 203B
<<locked>>
81%
50430
70%
**00
100%
[Norma 204]*
<<locked>>
81%
37043
51%
**80
93%
[Norma MRP]*
<<locked>>
81%
29066
40%
**59
91%
Norma URP
<<locked>>
81%
37623
52%
**13
98%
Ramshot Big Game
<<locked>>
81%
50575
70%
**26
100%
[Ramshot Grand]*
<<locked>>
86%
35215
49%
**93
90%
Ramshot Hunter
<<locked>>
81%
36637
51%
**93
96%
[Ramshot Magnum]*
<<locked>>
86%
30472
42%
**52
90%
Ramshot TAC
<<locked>>
81%
57943
80%
**92
100%
Ramshot Wild Boar
<<locked>>
81%
58030
80%
**02
100%
ReloadSwiss RS 14
<<locked>>
89%
31778
44%
**54
100%
ReloadSwiss RS 50
<<locked>>
81%
48240
67%
**51
99%
ReloadSwiss RS 52
<<locked>>
81%
54955
76%
**25
100%
ReloadSwiss RS 60
<<locked>>
81%
44570
61%
**03
100%
ReloadSwiss RS 62
<<locked>>
81%
37768
52%
**36
98%
ReloadSwiss RS 70
<<locked>>
81%
36738
51%
**39
97%
[ReloadSwiss RS 76]*
<<locked>>
91%
30734
42%
**15
90%
Rottweil R 901
<<locked>>
81%
58581
81%
**33
100%
Rottweil R 902
<<locked>>
81%
51692
71%
**64
100%
Rottweil R 903
<<locked>>
81%
45034
62%
**05
100%
[Rottweil R 904]*
<<locked>>
81%
33736
47%
**72
90%
[Rottweil R 905]*
<<locked>>
81%
31067
43%
**56
90%
Rottweil R 907
<<locked>>
81%
42308
58%
**36
96%
SNPE Vectan SP 11
<<locked>>
81%
46325
64%
**57
100%
SNPE Vectan SP 7
<<locked>>
81%
56782
78%
**72
100%
SNPE Vectan SP 9
<<locked>>
81%
53780
74%
**36
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
55274
76%
**44
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
46673
64%
**16
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
40219
55%
**61
96%
Shooters World Long Rifle
<<locked>>
81%
41060
57%
**16
98%
Shooters World Match Rifle
<<locked>>
81%
56115
77%
**40
100%
Shooters World Precision
<<locked>>
81%
50082
69%
**54
100%
Somchem S335
<<locked>>
81%
54679
75%
**41
100%
Somchem S341
<<locked>>
81%
56420
78%
**62
100%
Somchem S355
<<locked>>
81%
45382
63%
**02
100%
[Somchem S361]*
<<locked>>
83%
36201
50%
**02
90%
Somchem S365
<<locked>>
81%
34156
47%
**70
100%
[Somchem S385]*
<<locked>>
81%
31821
44%
**52
92%
Vihtavuori N130
<<locked>>
81%
60234
83%
**64
100%
Vihtavuori N133
<<locked>>
81%
52315
72%
**82
100%
Vihtavuori N135
<<locked>>
81%
44338
61%
**16
100%
Vihtavuori N140
<<locked>>
81%
51561
71%
**35
100%
Vihtavuori N150
<<locked>>
81%
39030
54%
**57
100%
Vihtavuori N160
<<locked>>
81%
41075
57%
**49
99%
[Vihtavuori N165]*
<<locked>>
84%
29646
41%
**87
90%
Vihtavuori N540
<<locked>>
81%
51169
71%
**54
100%
Vihtavuori N550
<<locked>>
81%
41423
57%
**82
99%
Vihtavuori N555
<<locked>>
81%
29805
41%
**62
96%
[Vihtavuori N560]*
<<locked>>
89%
36405
50%
**26
90%
[Vihtavuori N565]*
<<locked>>
93%
35027
48%
**00
90%
Winchester 6.5 StaBALL
<<locked>>
81%
38406
53%
**87
100%
Winchester 760
<<locked>>
81%
43700
60%
**38
97%
[Winchester StaBALL HD]*
<<locked>>
81%
23859
33%
**41
94%

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

bottom of page