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Load data for .270 Win. Ackley Improved + .277 | 130gr | Sierra SBT GameKing

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

.270 Win. Ackley Improved + .277 | 130gr | Sierra SBT GameKing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.277 | 130gr | Sierra SBT GameKing
Manufacturer SKU:
1820
Bullet Weight:
130gr | 8.4g
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_B5826_C272
Last updated:
2026-01-23
Recommended Twist Rate:
1:12 - 1:10

Load data for 228 loads in caliber .270 Win. Ackley Improved with .277 | 130gr | Sierra SBT GameKing 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%
64687
89%
**88
101%
ADI AR 2206H
<<locked>>
87%
64977
90%
**10
100%
ADI AR 2208
<<locked>>
93%
64672
89%
**91
100%
ADI AR 2209
<<locked>>
97%
51416
71%
**79
96%
[ADI AR 2213]*
<<locked>>
97%
46412
64%
**97
93%
Accurate 2015
<<locked>>
84%
64687
89%
**72
100%
Accurate 2200
<<locked>>
86%
65108
90%
**91
100%
Accurate 2495
<<locked>>
85%
64774
89%
**38
100%
Accurate 2520
<<locked>>
85%
65238
90%
**74
100%
Accurate 2700
<<locked>>
93%
65238
90%
**51
99%
Accurate 3100
<<locked>>
97%
44599
61%
**18
97%
Accurate 4064
<<locked>>
91%
65224
90%
**68
100%
Accurate 4350
<<locked>>
97%
61366
85%
**14
100%
Alliant AR-Comp
<<locked>>
85%
65195
90%
**15
100%
Alliant Power Pro 2000-MR
<<locked>>
89%
65195
90%
**45
100%
Alliant Reloder- TS 15.5
<<locked>>
92%
64977
90%
**07
100%
Alliant Reloder-15
<<locked>>
90%
64527
89%
**30
100%
Alliant Reloder-16
<<locked>>
97%
58363
80%
**20
100%
Alliant Reloder-17
<<locked>>
95%
64687
89%
**09
100%
Alliant Reloder-19
<<locked>>
97%
50662
70%
**56
96%
Alliant Reloder-22
<<locked>>
97%
44875
62%
**94
95%
Alliant Reloder-23
<<locked>>
97%
42699
59%
**58
100%
Alliant Reloder-25
<<locked>>
97%
37072
51%
**40
96%
Alliant Reloder-26
<<locked>>
97%
47935
66%
**28
99%
Baschieri & Pellagri 107
<<locked>>
87%
65166
90%
**30
100%
[Bofors RP15]*
<<locked>>
97%
41031
57%
**05
93%
Bofors RP3
<<locked>>
92%
65137
90%
**14
100%
Bofors RP5
<<locked>>
97%
44875
62%
**94
95%
Bofors RP7
<<locked>>
96%
64426
89%
**04
99%
Hodgdon BL-C2
<<locked>>
85%
65079
90%
**20
100%
Hodgdon Benchmark
<<locked>>
85%
64643
89%
**25
100%
Hodgdon CFE223
<<locked>>
90%
64252
89%
**50
100%
Hodgdon H322
<<locked>>
84%
65064
90%
**48
100%
Hodgdon H380
<<locked>>
91%
64281
89%
**14
100%
Hodgdon H414 👍
<<locked>>
94%
64165
88%
**73
99%
Hodgdon H4350
<<locked>>
97%
56304
78%
**99
98%
[Hodgdon H4831 SC]*
<<locked>>
97%
48675
67%
**97
93%
Hodgdon H4895
<<locked>>
87%
64585
89%
**14
100%
Hodgdon Hybrid 100V
<<locked>>
97%
55347
76%
**92
100%
Hodgdon LVR 👍
<<locked>>
97%
64861
89%
**59
100%
Hodgdon Superperformance
<<locked>>
96%
65180
90%
**25
99%
Hodgdon VARGET
<<locked>>
93%
65195
90%
**07
100%
Hodgdon TrailBoss
<<locked>>
97%
34577
48%
**27
100%
IMR 3031
<<locked>>
89%
64571
89%
**64
100%
IMR 4064
<<locked>>
94%
64963
90%
**87
100%
IMR 4166 Enduron
<<locked>>
94%
64469
89%
**81
99%
IMR 4350
<<locked>>
97%
59045
81%
**41
99%
IMR 4451 Enduron
<<locked>>
95%
64919
90%
**14
99%
IMR 4831
<<locked>>
97%
51547
71%
**53
100%
IMR 4895
<<locked>>
89%
65151
90%
**43
100%
[IMR 4955 Enduron]*
<<locked>>
97%
48385
67%
**51
93%
[IMR 7828 SSC]*
<<locked>>
97%
46963
65%
**27
93%
IMR 8208 XBR
<<locked>>
86%
64237
89%
**61
100%
Lovex D073.6
<<locked>>
87%
65238
90%
**74
100%
Lovex S060
<<locked>>
88%
64629
89%
**45
100%
Lovex S062
<<locked>>
91%
65166
90%
**84
100%
Lovex S065
<<locked>>
97%
64281
89%
**87
100%
Lovex S070
<<locked>>
97%
61453
85%
**77
99%
Lovex S071
<<locked>>
97%
37420
52%
**64
95%
Norma 201
<<locked>>
88%
64730
89%
**71
100%
Norma 202
<<locked>>
88%
65050
90%
**54
100%
Norma 203B
<<locked>>
90%
64759
89%
**23
100%
Norma 204
<<locked>>
97%
60089
83%
**97
98%
Norma MRP
<<locked>>
97%
47485
65%
**86
97%
Norma URP
<<locked>>
97%
59843
83%
**04
100%
Ramshot Big Game
<<locked>>
90%
64745
89%
**30
100%
[Ramshot Grand]*
<<locked>>
97%
50096
69%
**89
94%
Ramshot Hunter
<<locked>>
97%
58610
81%
**00
99%
Ramshot Magnum
<<locked>>
97%
43062
59%
**31
95%
Ramshot TAC
<<locked>>
86%
64977
90%
**04
100%
Ramshot Wild Boar
<<locked>>
85%
64092
88%
**04
100%
Ramshot X-Terminator
<<locked>>
84%
64817
89%
**68
100%
ReloadSwiss RS 14
<<locked>>
96%
35012
48%
**67
100%
ReloadSwiss RS 50
<<locked>>
91%
65166
90%
**17
100%
ReloadSwiss RS 52
<<locked>>
87%
64411
89%
**82
100%
ReloadSwiss RS 60
<<locked>>
93%
65238
90%
**15
100%
ReloadSwiss RS 62
<<locked>>
97%
61917
85%
**50
100%
ReloadSwiss RS 70 👍
<<locked>>
97%
59857
83%
**66
100%
Rottweil R 901
<<locked>>
85%
64194
89%
**22
100%
Rottweil R 902
<<locked>>
90%
64440
89%
**54
100%
Rottweil R 903
<<locked>>
94%
64411
89%
**97
100%
Rottweil R 904
<<locked>>
97%
53374
74%
**56
95%
Rottweil R 905
<<locked>>
97%
49588
68%
**46
96%
Rottweil R 907
<<locked>>
96%
64426
89%
**04
99%
SNPE Vectan SP 11
<<locked>>
93%
64658
89%
**43
100%
SNPE Vectan SP 7
<<locked>>
86%
64759
89%
**97
100%
SNPE Vectan SP 9
<<locked>>
88%
65035
90%
**00
100%
SNPE Vectan Tubal 3000
<<locked>>
87%
64658
89%
**82
100%
SNPE Vectan Tubal 5000
<<locked>>
93%
64498
89%
**59
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
64817
89%
**48
99%
Shooters World Long Rifle
<<locked>>
97%
64281
89%
**87
100%
Shooters World Match Rifle
<<locked>>
87%
65238
90%
**74
100%
Shooters World Precision
<<locked>>
91%
65166
90%
**84
100%
Somchem S335
<<locked>>
88%
64948
90%
**82
100%
Somchem S341
<<locked>>
86%
64455
89%
**74
100%
Somchem S355
<<locked>>
94%
64788
89%
**97
100%
Somchem S361
<<locked>>
97%
54926
76%
**40
95%
Somchem S365
<<locked>>
97%
55013
76%
**45
100%
Somchem S385
<<locked>>
97%
50894
70%
**33
97%
Vihtavuori N130
<<locked>>
85%
65253
90%
**43
100%
Vihtavuori N133
<<locked>>
89%
64165
88%
**53
100%
Vihtavuori N135
<<locked>>
95%
64542
89%
**05
100%
Vihtavuori N140
<<locked>>
90%
64832
89%
**25
100%
Vihtavuori N150
<<locked>>
97%
60756
84%
**05
100%
Vihtavuori N160
<<locked>>
96%
64658
89%
**17
100%
[Vihtavuori N165]*
<<locked>>
97%
41843
58%
**46
94%
Vihtavuori N530
<<locked>>
84%
64716
89%
**77
100%
Vihtavuori N540
<<locked>>
90%
64469
89%
**45
100%
Vihtavuori N550 👍
<<locked>>
96%
64730
89%
**59
100%
Vihtavuori N555
<<locked>>
97%
47123
65%
**27
99%
[Vihtavuori N560]*
<<locked>>
97%
44904
62%
**97
92%
Winchester 6.5 StaBALL
<<locked>>
97%
62961
87%
**61
100%
Winchester 760 👍
<<locked>>
94%
64165
88%
**73
99%
Winchester StaBALL HD
<<locked>>
97%
35201
49%
**61
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
81%
59596
82%
**16
101%
ADI AR 2206H
<<locked>>
81%
53447
74%
**40
100%
ADI AR 2208
<<locked>>
81%
45020
62%
**79
99%
[ADI AR 2209]*
<<locked>>
85%
35476
49%
**21
90%
[ADI AR 2213]*
<<locked>>
93%
40509
56%
**56
90%
Accurate 2015
<<locked>>
81%
59712
82%
**10
100%
Accurate 2200
<<locked>>
81%
55317
76%
**43
100%
Accurate 2495
<<locked>>
81%
56275
78%
**23
100%
Accurate 2520
<<locked>>
81%
56927
79%
**69
100%
Accurate 2700
<<locked>>
81%
43381
60%
**97
95%
[Accurate 3100]*
<<locked>>
83%
27978
39%
**18
90%
Accurate 4064
<<locked>>
81%
47718
66%
**22
100%
Accurate 4350
<<locked>>
81%
35998
50%
**54
97%
Alliant AR-Comp
<<locked>>
81%
56869
78%
**07
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
49472
68%
**92
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
45266
62%
**02
100%
Alliant Reloder-15
<<locked>>
81%
48791
67%
**81
100%
Alliant Reloder-16
<<locked>>
81%
35172
49%
**61
97%
Alliant Reloder-17
<<locked>>
81%
39813
55%
**95
99%
[Alliant Reloder-19]*
<<locked>>
85%
35172
49%
**25
90%
[Alliant Reloder-22]*
<<locked>>
89%
34911
48%
**54
90%
[Alliant Reloder-23]*
<<locked>>
81%
25715
35%
**92
93%
[Alliant Reloder-25]*
<<locked>>
89%
29051
40%
**97
90%
[Alliant Reloder-26]*
<<locked>>
81%
27180
37%
**80
90%
Baschieri & Pellagri 107
<<locked>>
81%
52721
73%
**53
100%
[Bofors RP15]*
<<locked>>
92%
35360
49%
**71
90%
Bofors RP3
<<locked>>
81%
45672
63%
**15
100%
[Bofors RP5]*
<<locked>>
89%
34911
48%
**54
90%
[Bofors RP7]*
<<locked>>
81%
40422
56%
**77
94%
Hodgdon BL-C2
<<locked>>
81%
56333
78%
**95
100%
Hodgdon Benchmark
<<locked>>
81%
56811
78%
**27
100%
Hodgdon CFE223
<<locked>>
81%
47645
66%
**94
99%
Hodgdon H322
<<locked>>
81%
58697
81%
**69
100%
Hodgdon H380
<<locked>>
81%
45977
63%
**18
99%
Hodgdon H414
<<locked>>
81%
41423
57%
**76
95%
[Hodgdon H4350]*
<<locked>>
81%
34330
47%
**49
91%
[Hodgdon H4831 SC]*
<<locked>>
92%
41031
57%
**30
90%
Hodgdon H4895
<<locked>>
81%
54012
74%
**53
100%
Hodgdon Hybrid 100V
<<locked>>
81%
32518
45%
**52
97%
Hodgdon LVR
<<locked>>
81%
38783
53%
**13
97%
[Hodgdon Superperformance]*
<<locked>>
81%
37130
51%
**97
93%
Hodgdon VARGET
<<locked>>
81%
44715
62%
**72
99%
Hodgdon TrailBoss
<<locked>>
81%
27572
38%
**77
100%
IMR 3031
<<locked>>
81%
49676
69%
**67
100%
IMR 4064
<<locked>>
81%
44382
61%
**59
99%
IMR 4166 Enduron
<<locked>>
81%
43598
60%
**20
96%
[IMR 4350]*
<<locked>>
81%
36027
50%
**95
93%
IMR 4451 Enduron
<<locked>>
81%
41887
58%
**10
95%
IMR 4831
<<locked>>
81%
31183
43%
**13
95%
IMR 4895
<<locked>>
81%
50125
69%
**17
100%
[IMR 4955 Enduron]*
<<locked>>
91%
39798
55%
**77
90%
[IMR 7828 SSC]*
<<locked>>
92%
40306
56%
**72
90%
IMR 8208 XBR
<<locked>>
81%
55593
77%
**43
100%
Lovex D073.6
<<locked>>
81%
53287
73%
**17
100%
Lovex S060
<<locked>>
81%
52272
72%
**71
100%
Lovex S062
<<locked>>
81%
47601
66%
**15
100%
Lovex S065
<<locked>>
81%
39320
54%
**61
96%
[Lovex S070]*
<<locked>>
81%
37391
52%
**31
94%
[Lovex S071]*
<<locked>>
88%
27978
39%
**18
90%
Norma 201
<<locked>>
81%
52170
72%
**84
100%
Norma 202
<<locked>>
81%
52533
72%
**84
100%
Norma 203B
<<locked>>
81%
48153
66%
**67
100%
[Norma 204]*
<<locked>>
81%
35447
49%
**08
90%
[Norma MRP]*
<<locked>>
85%
31633
44%
**92
90%
Norma URP
<<locked>>
81%
35737
49%
**44
96%
Ramshot Big Game
<<locked>>
81%
48167
66%
**84
100%
[Ramshot Grand]*
<<locked>>
90%
39218
54%
**53
90%
[Ramshot Hunter]*
<<locked>>
81%
34737
48%
**28
94%
[Ramshot Magnum]*
<<locked>>
90%
34171
47%
**12
90%
Ramshot TAC
<<locked>>
81%
55376
76%
**63
99%
Ramshot Wild Boar
<<locked>>
81%
55550
77%
**82
100%
Ramshot X-Terminator
<<locked>>
81%
59799
82%
**02
100%
ReloadSwiss RS 14
<<locked>>
81%
28021
39%
**16
100%
ReloadSwiss RS 50
<<locked>>
81%
46311
64%
**12
97%
ReloadSwiss RS 52
<<locked>>
81%
52460
72%
**99
100%
ReloadSwiss RS 60
<<locked>>
81%
42322
58%
**58
100%
ReloadSwiss RS 62
<<locked>>
81%
35636
49%
**71
96%
ReloadSwiss RS 70
<<locked>>
81%
34940
48%
**61
95%
Rottweil R 901
<<locked>>
81%
56260
78%
**20
100%
Rottweil R 902
<<locked>>
81%
49487
68%
**35
100%
Rottweil R 903
<<locked>>
81%
42975
59%
**66
100%
[Rottweil R 904]*
<<locked>>
86%
38072
53%
**48
90%
[Rottweil R 905]*
<<locked>>
85%
33866
47%
**98
90%
[Rottweil R 907]*
<<locked>>
81%
40422
56%
**77
94%
SNPE Vectan SP 11
<<locked>>
81%
44063
61%
**15
99%
SNPE Vectan SP 7
<<locked>>
81%
54114
75%
**40
100%
SNPE Vectan SP 9
<<locked>>
81%
51764
71%
**13
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
52808
73%
**18
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
44309
61%
**74
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
38377
53%
**98
94%
Shooters World Long Rifle
<<locked>>
81%
39320
54%
**61
96%
Shooters World Match Rifle
<<locked>>
81%
53287
73%
**17
100%
Shooters World Precision
<<locked>>
81%
47601
66%
**15
100%
Somchem S335
<<locked>>
81%
52852
73%
**22
100%
Somchem S341
<<locked>>
81%
53737
74%
**27
100%
Somchem S355
<<locked>>
81%
43424
60%
**59
100%
[Somchem S361]*
<<locked>>
87%
40321
56%
**67
90%
Somchem S365
<<locked>>
81%
32256
44%
**05
98%
[Somchem S385]*
<<locked>>
83%
31589
44%
**07
90%
Vihtavuori N130
<<locked>>
81%
58233
80%
**61
100%
Vihtavuori N133
<<locked>>
81%
50009
69%
**59
100%
Vihtavuori N135
<<locked>>
81%
42119
58%
**84
100%
Vihtavuori N140
<<locked>>
81%
48994
68%
**99
100%
Vihtavuori N150
<<locked>>
81%
37217
51%
**02
99%
Vihtavuori N160
<<locked>>
81%
38769
53%
**84
97%
[Vihtavuori N165]*
<<locked>>
89%
33214
46%
**43
90%
Vihtavuori N530
<<locked>>
81%
58494
81%
**95
100%
Vihtavuori N540
<<locked>>
81%
48892
67%
**25
100%
Vihtavuori N550
<<locked>>
81%
39131
54%
**26
97%
[Vihtavuori N555]*
<<locked>>
81%
27731
38%
**64
93%
[Vihtavuori N560]*
<<locked>>
94%
40596
56%
**99
90%
Winchester 6.5 StaBALL
<<locked>>
81%
36550
50%
**21
99%
Winchester 760
<<locked>>
81%
41423
57%
**76
95%
[Winchester StaBALL HD]*
<<locked>>
82%
23467
32%
**52
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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