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Load data for .270 Win. Ackley Improved + .277 | 135gr | Sierra HPBT MatchKing

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

.270 Win. Ackley Improved + .277 | 135gr | Sierra HPBT MatchKing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.277 | 135gr | Sierra HPBT MatchKing
Manufacturer SKU:
1833
Bullet Weight:
135gr | 8.7g
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_B5827_C272
Last updated:
2026-01-31
Recommended Twist Rate:
1:10 - 1:8

Load data for 228 loads in caliber .270 Win. Ackley Improved with .277 | 135gr | Sierra HPBT MatchKing bullet and 114 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%
64629
89%
**29
101%
ADI AR 2206H
<<locked>>
87%
64774
89%
**45
100%
ADI AR 2208
<<locked>>
93%
65238
90%
**35
100%
ADI AR 2209
<<locked>>
97%
50778
70%
**04
96%
[ADI AR 2213]*
<<locked>>
97%
45948
63%
**28
93%
Accurate 2015
<<locked>>
84%
64745
89%
**10
100%
Accurate 2200
<<locked>>
86%
64498
89%
**22
100%
Accurate 2495
<<locked>>
86%
65209
90%
**76
100%
Accurate 2520
<<locked>>
85%
64614
89%
**09
100%
Accurate 2700
<<locked>>
93%
64614
89%
**86
99%
Accurate 3100
<<locked>>
97%
44106
61%
**59
97%
Accurate 4064
<<locked>>
91%
65180
90%
**05
100%
Accurate 4350
<<locked>>
97%
60945
84%
**51
100%
Alliant AR-Comp
<<locked>>
85%
64237
89%
**36
100%
Alliant Power Pro 2000-MR
<<locked>>
89%
64600
89%
**66
100%
Alliant Reloder- TS 15.5
<<locked>>
92%
64658
89%
**48
100%
Alliant Reloder-15
<<locked>>
90%
64716
89%
**61
100%
Alliant Reloder-16
<<locked>>
97%
58175
80%
**58
100%
Alliant Reloder-17
<<locked>>
95%
64136
88%
**50
100%
Alliant Reloder-19
<<locked>>
97%
50212
69%
**97
96%
Alliant Reloder-22
<<locked>>
97%
44672
62%
**41
95%
Alliant Reloder-23
<<locked>>
97%
42003
58%
**89
100%
Alliant Reloder-25
<<locked>>
97%
36564
50%
**77
96%
Alliant Reloder-26
<<locked>>
97%
46847
65%
**59
99%
Baschieri & Pellagri 107
<<locked>>
87%
64382
89%
**61
100%
[Bofors RP15]*
<<locked>>
97%
40988
57%
**53
93%
Bofors RP3
<<locked>>
92%
64368
89%
**45
100%
Bofors RP5
<<locked>>
97%
44672
62%
**41
95%
Bofors RP7
<<locked>>
96%
64846
89%
**45
99%
Hodgdon BL-C2
<<locked>>
85%
64397
89%
**41
100%
Hodgdon Benchmark
<<locked>>
86%
65267
90%
**69
100%
Hodgdon CFE223
<<locked>>
90%
64150
88%
**91
100%
Hodgdon H322
<<locked>>
84%
65267
90%
**89
100%
Hodgdon H380
<<locked>>
92%
65021
90%
**64
100%
Hodgdon H414 👍
<<locked>>
94%
64208
89%
**17
100%
Hodgdon H4350
<<locked>>
97%
55695
77%
**33
98%
[Hodgdon H4831 SC]*
<<locked>>
97%
48182
66%
**25
93%
Hodgdon H4895
<<locked>>
87%
64498
89%
**48
100%
Hodgdon Hybrid 100V
<<locked>>
96%
53867
74%
**13
100%
Hodgdon LVR 👍
<<locked>>
97%
64107
88%
**94
100%
Hodgdon Superperformance
<<locked>>
96%
64774
89%
**56
99%
Hodgdon VARGET
<<locked>>
93%
64687
89%
**31
100%
Hodgdon TrailBoss
<<locked>>
97%
34679
48%
**85
100%
IMR 3031
<<locked>>
90%
64571
89%
**05
100%
IMR 4064
<<locked>>
93%
64440
89%
**22
100%
IMR 4166 Enduron
<<locked>>
94%
65050
90%
**25
100%
IMR 4350
<<locked>>
97%
58378
81%
**66
99%
IMR 4451 Enduron
<<locked>>
95%
64020
88%
**31
99%
IMR 4831
<<locked>>
97%
51227
71%
**87
100%
IMR 4895
<<locked>>
90%
65093
90%
**84
100%
[IMR 4955 Enduron]*
<<locked>>
96%
47529
66%
**82
93%
[IMR 7828 SSC]*
<<locked>>
97%
46586
64%
**61
93%
IMR 8208 XBR
<<locked>>
86%
65166
90%
**12
100%
Lovex D073.6
<<locked>>
87%
65238
90%
**15
100%
Lovex S060
<<locked>>
88%
64817
89%
**82
100%
Lovex S062
<<locked>>
91%
64469
89%
**05
100%
Lovex S065
<<locked>>
97%
63440
87%
**18
100%
Lovex S070
<<locked>>
97%
61032
84%
**12
99%
Lovex S071
<<locked>>
97%
37072
51%
**12
95%
Norma 201
<<locked>>
88%
64237
89%
**99
100%
Norma 202
<<locked>>
88%
64179
89%
**82
100%
Norma 203B
<<locked>>
91%
64817
89%
**64
100%
Norma 204
<<locked>>
97%
59669
82%
**28
98%
Norma MRP
<<locked>>
97%
47181
65%
**23
97%
Norma URP
<<locked>>
97%
59582
82%
**41
100%
Ramshot Big Game
<<locked>>
90%
65238
90%
**74
100%
Ramshot Grand
<<locked>>
97%
50082
69%
**36
95%
Ramshot Hunter
<<locked>>
97%
57986
80%
**31
99%
Ramshot Magnum
<<locked>>
97%
42801
59%
**76
95%
Ramshot TAC
<<locked>>
86%
65209
90%
**41
100%
Ramshot Wild Boar
<<locked>>
86%
64208
89%
**35
100%
Ramshot X-Terminator
<<locked>>
84%
65166
90%
**09
100%
ReloadSwiss RS 14
<<locked>>
97%
35143
48%
**24
100%
ReloadSwiss RS 50
<<locked>>
91%
64353
89%
**38
100%
ReloadSwiss RS 52
<<locked>>
87%
64397
89%
**14
100%
ReloadSwiss RS 60
<<locked>>
93%
64730
89%
**56
100%
ReloadSwiss RS 62
<<locked>>
97%
61003
84%
**71
100%
ReloadSwiss RS 70 👍
<<locked>>
97%
59669
82%
**04
100%
Rottweil R 901
<<locked>>
86%
65166
90%
**69
100%
Rottweil R 902
<<locked>>
90%
64585
89%
**89
100%
Rottweil R 903
<<locked>>
94%
65122
90%
**48
100%
Rottweil R 904
<<locked>>
97%
53316
74%
**97
96%
Rottweil R 905
<<locked>>
97%
49385
68%
**87
96%
Rottweil R 907
<<locked>>
96%
64846
89%
**45
99%
SNPE Vectan SP 11
<<locked>>
93%
64963
90%
**84
100%
SNPE Vectan SP 7
<<locked>>
86%
65021
90%
**35
100%
SNPE Vectan SP 9
<<locked>>
88%
64948
90%
**41
100%
SNPE Vectan Tubal 3000
<<locked>>
88%
64716
89%
**13
100%
SNPE Vectan Tubal 5000
<<locked>>
93%
65021
90%
**04
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
63614
88%
**69
99%
Shooters World Long Rifle
<<locked>>
97%
63440
87%
**18
100%
Shooters World Match Rifle
<<locked>>
87%
65238
90%
**15
100%
Shooters World Precision
<<locked>>
91%
64469
89%
**05
100%
Somchem S335
<<locked>>
88%
64817
89%
**17
100%
Somchem S341
<<locked>>
86%
64556
89%
**18
100%
Somchem S355
<<locked>>
94%
64788
89%
**38
100%
Somchem S361
<<locked>>
97%
54636
75%
**77
95%
Somchem S365
<<locked>>
97%
54201
75%
**79
100%
Somchem S385
<<locked>>
97%
50357
69%
**74
97%
Vihtavuori N130
<<locked>>
85%
65093
90%
**87
100%
Vihtavuori N133
<<locked>>
90%
64252
89%
**84
100%
Vihtavuori N135
<<locked>>
95%
64411
89%
**40
100%
Vihtavuori N140
<<locked>>
90%
64469
89%
**53
100%
Vihtavuori N150
<<locked>>
97%
60350
83%
**36
100%
Vihtavuori N160
<<locked>>
97%
65224
90%
**64
100%
[Vihtavuori N165]*
<<locked>>
97%
41800
58%
**94
94%
Vihtavuori N530
<<locked>>
84%
65035
90%
**22
100%
Vihtavuori N540
<<locked>>
90%
64730
89%
**89
100%
Vihtavuori N550 👍
<<locked>>
96%
64527
89%
**00
100%
Vihtavuori N555
<<locked>>
97%
46978
65%
**71
100%
[Vihtavuori N560]*
<<locked>>
97%
45063
62%
**54
92%
Winchester 6.5 StaBALL
<<locked>>
97%
62729
87%
**02
100%
Winchester 760 👍
<<locked>>
94%
64208
89%
**17
100%
Winchester StaBALL HD
<<locked>>
97%
34534
48%
**02
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
81%
59364
82%
**51
100%
ADI AR 2206H
<<locked>>
81%
52939
73%
**74
100%
ADI AR 2208
<<locked>>
81%
44947
62%
**17
99%
[ADI AR 2209]*
<<locked>>
85%
34679
48%
**56
90%
[ADI AR 2213]*
<<locked>>
93%
39958
55%
**03
90%
Accurate 2015
<<locked>>
81%
59393
82%
**51
100%
Accurate 2200
<<locked>>
81%
55259
76%
**84
100%
Accurate 2495
<<locked>>
81%
55593
77%
**51
100%
Accurate 2520
<<locked>>
81%
56347
78%
**00
100%
Accurate 2700
<<locked>>
81%
43163
60%
**38
95%
[Accurate 3100]*
<<locked>>
82%
26876
37%
**43
90%
Accurate 4064
<<locked>>
81%
47007
65%
**49
100%
Accurate 4350
<<locked>>
81%
35520
49%
**92
97%
Alliant AR-Comp
<<locked>>
81%
56739
78%
**44
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
49342
68%
**33
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
45150
62%
**43
100%
Alliant Reloder-15
<<locked>>
81%
48298
67%
**15
100%
Alliant Reloder-16
<<locked>>
81%
35027
48%
**05
97%
Alliant Reloder-17
<<locked>>
81%
39610
55%
**36
99%
[Alliant Reloder-19]*
<<locked>>
85%
34432
47%
**52
90%
[Alliant Reloder-22]*
<<locked>>
89%
34418
47%
**98
90%
[Alliant Reloder-23]*
<<locked>>
81%
25498
35%
**46
93%
[Alliant Reloder-25]*
<<locked>>
88%
28456
39%
**28
90%
[Alliant Reloder-26]*
<<locked>>
81%
27151
37%
**34
91%
Baschieri & Pellagri 107
<<locked>>
81%
52649
73%
**90
100%
[Bofors RP15]*
<<locked>>
91%
34432
47%
**89
90%
Bofors RP3
<<locked>>
81%
45194
62%
**53
100%
[Bofors RP5]*
<<locked>>
89%
34418
47%
**98
90%
[Bofors RP7]*
<<locked>>
81%
40132
55%
**15
94%
Hodgdon BL-C2
<<locked>>
81%
56057
77%
**33
100%
Hodgdon Benchmark
<<locked>>
81%
56362
78%
**51
100%
Hodgdon CFE223
<<locked>>
81%
47210
65%
**31
99%
Hodgdon H322
<<locked>>
81%
58610
81%
**04
100%
Hodgdon H380
<<locked>>
81%
46224
64%
**72
99%
Hodgdon H414
<<locked>>
81%
40843
56%
**10
95%
[Hodgdon H4350]*
<<locked>>
81%
33968
47%
**97
92%
[Hodgdon H4831 SC]*
<<locked>>
92%
40422
56%
**71
90%
Hodgdon H4895
<<locked>>
81%
53490
74%
**87
100%
Hodgdon Hybrid 100V
<<locked>>
81%
32445
45%
**97
97%
Hodgdon LVR
<<locked>>
81%
38580
53%
**48
97%
[Hodgdon Superperformance]*
<<locked>>
81%
36869
51%
**41
93%
Hodgdon VARGET
<<locked>>
81%
44643
62%
**13
99%
Hodgdon TrailBoss
<<locked>>
83%
28108
39%
**44
100%
IMR 3031
<<locked>>
81%
49371
68%
**99
100%
IMR 4064
<<locked>>
81%
44179
61%
**97
99%
IMR 4166 Enduron
<<locked>>
81%
43482
60%
**67
96%
[IMR 4350]*
<<locked>>
81%
35723
49%
**36
93%
IMR 4451 Enduron
<<locked>>
81%
41524
57%
**48
95%
IMR 4831
<<locked>>
81%
31067
43%
**67
95%
IMR 4895
<<locked>>
81%
49603
68%
**44
100%
[IMR 4955 Enduron]*
<<locked>>
90%
39320
54%
**15
90%
[IMR 7828 SSC]*
<<locked>>
92%
39682
55%
**03
90%
IMR 8208 XBR
<<locked>>
81%
55071
76%
**77
100%
Lovex D073.6
<<locked>>
81%
52924
73%
**48
100%
Lovex S060
<<locked>>
81%
52243
72%
**08
100%
Lovex S062
<<locked>>
81%
47558
66%
**62
100%
Lovex S065
<<locked>>
81%
38899
54%
**98
96%
[Lovex S070]*
<<locked>>
81%
37318
51%
**75
94%
[Lovex S071]*
<<locked>>
87%
27064
37%
**49
90%
Norma 201
<<locked>>
81%
51634
71%
**18
100%
Norma 202
<<locked>>
81%
52243
72%
**18
100%
Norma 203B
<<locked>>
81%
47805
66%
**05
100%
[Norma 204]*
<<locked>>
81%
35215
49%
**56
91%
[Norma MRP]*
<<locked>>
85%
31082
43%
**26
90%
Norma URP
<<locked>>
81%
35650
49%
**92
97%
Ramshot Big Game
<<locked>>
81%
47906
66%
**22
100%
[Ramshot Grand]*
<<locked>>
90%
38725
53%
**94
90%
[Ramshot Hunter]*
<<locked>>
81%
34490
48%
**75
94%
[Ramshot Magnum]*
<<locked>>
90%
33301
46%
**43
90%
Ramshot TAC
<<locked>>
81%
55347
76%
**04
99%
Ramshot Wild Boar
<<locked>>
81%
55303
76%
**17
100%
Ramshot X-Terminator
<<locked>>
81%
59176
82%
**23
100%
ReloadSwiss RS 14
<<locked>>
81%
27920
39%
**67
100%
ReloadSwiss RS 50
<<locked>>
81%
46079
64%
**46
97%
ReloadSwiss RS 52
<<locked>>
81%
52083
72%
**40
100%
ReloadSwiss RS 60
<<locked>>
81%
42105
58%
**95
100%
ReloadSwiss RS 62
<<locked>>
81%
35157
48%
**02
96%
ReloadSwiss RS 70
<<locked>>
81%
34737
48%
**15
95%
Rottweil R 901
<<locked>>
81%
56072
77%
**54
100%
Rottweil R 902
<<locked>>
81%
49255
68%
**69
100%
Rottweil R 903
<<locked>>
81%
42743
59%
**07
100%
[Rottweil R 904]*
<<locked>>
86%
37521
52%
**79
90%
[Rottweil R 905]*
<<locked>>
85%
33924
47%
**46
90%
[Rottweil R 907]*
<<locked>>
81%
40132
55%
**15
94%
SNPE Vectan SP 11
<<locked>>
81%
43758
60%
**49
99%
SNPE Vectan SP 7
<<locked>>
81%
54056
75%
**81
100%
SNPE Vectan SP 9
<<locked>>
81%
51459
71%
**44
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
52576
73%
**59
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
44106
61%
**18
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
38580
53%
**43
95%
Shooters World Long Rifle
<<locked>>
81%
38899
54%
**98
96%
Shooters World Match Rifle
<<locked>>
81%
52924
73%
**48
100%
Shooters World Precision
<<locked>>
81%
47558
66%
**62
100%
Somchem S335
<<locked>>
81%
52199
72%
**56
100%
Somchem S341
<<locked>>
81%
53679
74%
**64
100%
Somchem S355
<<locked>>
81%
42946
59%
**03
100%
[Somchem S361]*
<<locked>>
87%
39610
55%
**98
90%
Somchem S365
<<locked>>
81%
31821
44%
**43
99%
[Somchem S385]*
<<locked>>
83%
31343
43%
**54
90%
Vihtavuori N130
<<locked>>
81%
57943
80%
**92
100%
Vihtavuori N133
<<locked>>
81%
49603
68%
**97
100%
Vihtavuori N135
<<locked>>
81%
42148
58%
**28
100%
Vihtavuori N140
<<locked>>
81%
48979
68%
**49
100%
Vihtavuori N150
<<locked>>
81%
37014
51%
**49
99%
Vihtavuori N160
<<locked>>
81%
38435
53%
**28
97%
[Vihtavuori N165]*
<<locked>>
89%
32155
44%
**64
90%
Vihtavuori N530
<<locked>>
81%
58668
81%
**36
100%
Vihtavuori N540
<<locked>>
81%
48588
67%
**66
100%
Vihtavuori N550
<<locked>>
81%
39204
54%
**67
97%
[Vihtavuori N555]*
<<locked>>
81%
27717
38%
**28
94%
[Vihtavuori N560]*
<<locked>>
93%
39885
55%
**33
90%
Winchester 6.5 StaBALL
<<locked>>
81%
36390
50%
**66
99%
Winchester 760
<<locked>>
81%
40843
56%
**10
95%
[Winchester StaBALL HD]*
<<locked>>
82%
23018
32%
**00
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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