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Load data for .270 Weath. Mag. + .277 | 120gr | Hornady SST

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Recommended Powder(s): Alliant Reloder-16, Hodgdon Superperformance, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70

.270 Weath. Mag. + .277 | 120gr | Hornady SST

Load Specifications

Bullet:
.277 | 120gr | Hornady SST
Manufacturer SKU:
2716
Bullet Weight:
120gr | 7.8g
Bullet Diameter:
0.277" | 7.04mm
Bullet Length:
1.224" | 31.1mm
Caliber:
.270 Weath. Mag. load data
Case Length (l3):
2.549" | 64.7mm
Cartridge Length (C.O.L.):
3.246" | 82.4mm
Seated Depth:
0.527" | 13.4mm
Shank Seated Depth:
0.412" | 10.5mm
Case Capacity:
82.0 Grains of Water | 5.32 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B2607_C270
Last updated:
2025-02-02
Recommended Twist Rate:
1:11 - 1:9

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 162 loads in caliber .270 Weath. Mag. with .277 | 120gr | Hornady SST bullet and 81 powders such as Alliant Reloder-16, Hodgdon Superperformance, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70. 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".

  • Muzzle velocity vs. barrel length

    Every 1 inch additional barrel length increases muzzle velocity by approx. 37.3 fps

  • .

    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.

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 AR 2208
<<locked>>
86%
56695
89%
**53
100%
ADI AR 2209
<<locked>>
97%
56739
89%
**41
98%
ADI AR 2213
<<locked>>
97%
50488
79%
**46
95%
Accurate 2700
<<locked>>
87%
56884
89%
**97
98%
Accurate 3100
<<locked>>
97%
50038
78%
**61
99%
Accurate 4064
<<locked>>
84%
57116
89%
**27
100%
Accurate 4350
<<locked>>
91%
56536
89%
**99
100%
[Accurate MAGPRO]*
<<locked>>
97%
48994
77%
**33
92%
Alliant Reloder- TS 15.5
<<locked>>
86%
56811
89%
**63
100%
Alliant Reloder-15
<<locked>>
84%
57377
90%
**96
100%
Alliant Reloder-16 👍
<<locked>>
93%
57261
90%
**64
100%
Alliant Reloder-17
<<locked>>
88%
56536
89%
**58
100%
Alliant Reloder-19
<<locked>>
97%
55898
88%
**22
98%
Alliant Reloder-22
<<locked>>
97%
49545
78%
**43
96%
Alliant Reloder-23
<<locked>>
97%
46891
73%
**84
100%
Alliant Reloder-25
<<locked>>
97%
41249
65%
**86
97%
Alliant Reloder-26
<<locked>>
97%
54331
85%
**97
100%
Hodgdon CFE223
<<locked>>
84%
57305
90%
**22
100%
Hodgdon H380
<<locked>>
85%
57217
90%
**82
100%
Hodgdon H414
<<locked>>
88%
57246
90%
**38
99%
Hodgdon H4350
<<locked>>
95%
57217
90%
**73
98%
[Hodgdon H4831]*
<<locked>>
97%
46934
74%
**15
93%
Hodgdon H4831 SC
<<locked>>
97%
52997
83%
**40
95%
Hodgdon Hybrid 100V
<<locked>>
95%
56898
89%
**76
100%
Hodgdon LVR
<<locked>>
90%
56985
89%
**15
100%
Hodgdon Superperformance 👍
<<locked>>
90%
56507
89%
**55
99%
Hodgdon VARGET
<<locked>>
87%
57116
90%
**53
100%
Hodgdon TrailBoss
<<locked>>
97%
34983
55%
**75
100%
IMR 4064
<<locked>>
87%
56811
89%
**40
100%
IMR 4166 Enduron
<<locked>>
88%
57174
90%
**40
99%
IMR 4350
<<locked>>
93%
56739
89%
**66
98%
IMR 4451 Enduron
<<locked>>
88%
56550
89%
**56
99%
IMR 4831
<<locked>>
97%
56637
89%
**86
100%
IMR 4955 Enduron
<<locked>>
97%
52228
82%
**81
95%
IMR 7828 SSC
<<locked>>
97%
52301
82%
**96
95%
Lovex S062
<<locked>>
84%
56637
89%
**30
100%
Lovex S065
<<locked>>
91%
57217
90%
**53
100%
Lovex S070
<<locked>>
92%
57377
90%
**82
99%
Lovex S071
<<locked>>
97%
41510
65%
**94
97%
Norma 203B
<<locked>>
84%
57435
90%
**86
100%
Norma 204
<<locked>>
92%
57276
90%
**19
98%
Norma MRP
<<locked>>
97%
53156
83%
**48
98%
Norma URP
<<locked>>
92%
57101
89%
**22
100%
Ramshot Big Game
<<locked>>
83%
57029
89%
**92
100%
Ramshot Hunter 👍
<<locked>>
93%
56884
89%
**28
99%
Ramshot Magnum
<<locked>>
97%
48254
76%
**94
97%
ReloadSwiss RS 14
<<locked>>
97%
35665
56%
**24
100%
ReloadSwiss RS 50
<<locked>>
85%
56652
89%
**56
99%
ReloadSwiss RS 52
<<locked>>
84%
56869
89%
**89
100%
ReloadSwiss RS 60
<<locked>>
89%
56956
89%
**87
100%
ReloadSwiss RS 62 👍
<<locked>>
92%
57406
90%
**45
100%
ReloadSwiss RS 70 👍
<<locked>>
92%
57014
89%
**94
100%
ReloadSwiss RS 76
<<locked>>
97%
39929
63%
**89
95%
Rottweil R 902
<<locked>>
83%
57058
89%
**23
100%
Rottweil R 903
<<locked>>
87%
56681
89%
**56
100%
Rottweil R 904
<<locked>>
96%
57159
90%
**82
97%
Rottweil R 905
<<locked>>
97%
55332
87%
**99
98%
Rottweil R 907
<<locked>>
90%
57363
90%
**63
99%
SNPE Vectan SP 11
<<locked>>
86%
57217
90%
**05
100%
SNPE Vectan Tubal 5000
<<locked>>
87%
56927
89%
**31
100%
SNPE Vectan Tubal 7000
<<locked>>
91%
56637
89%
**97
99%
Shooters World Long Rifle
<<locked>>
91%
57217
90%
**53
100%
Shooters World Precision
<<locked>>
84%
56637
89%
**30
100%
Somchem S355
<<locked>>
87%
57421
90%
**66
100%
Somchem S361
<<locked>>
95%
56797
89%
**36
96%
Somchem S365
<<locked>>
95%
57058
89%
**32
100%
Somchem S385
<<locked>>
97%
55637
87%
**69
98%
Vihtavuori N133
<<locked>>
83%
57290
90%
**22
100%
Vihtavuori N135
<<locked>>
88%
57130
90%
**77
100%
Vihtavuori N140
<<locked>>
83%
56927
89%
**84
100%
Vihtavuori N150
<<locked>>
92%
57232
90%
**17
100%
Vihtavuori N160
<<locked>>
90%
56985
89%
**79
100%
Vihtavuori N165
<<locked>>
97%
46789
73%
**95
96%
Vihtavuori N540
<<locked>>
84%
57421
90%
**23
100%
Vihtavuori N550
<<locked>>
89%
56797
89%
**12
100%
Vihtavuori N555
<<locked>>
97%
52402
82%
**76
100%
[Vihtavuori N560]*
<<locked>>
97%
50227
79%
**66
94%
[Vihtavuori N565]*
<<locked>>
97%
42293
66%
**86
92%
Winchester 6.5 StaBALL
<<locked>>
91%
57348
90%
**50
100%
Winchester 760
<<locked>>
88%
57246
90%
**38
99%
Winchester StaBALL HD
<<locked>>
97%
41843
66%
**30
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
48341
76%
**05
100%
[ADI AR 2209]*
<<locked>>
82%
34606
54%
**46
90%
[ADI AR 2213]*
<<locked>>
89%
39146
61%
**77
90%
Accurate 2700
<<locked>>
81%
46528
73%
**13
96%
[Accurate 3100]*
<<locked>>
81%
28950
45%
**69
91%
Accurate 4064
<<locked>>
81%
51532
81%
**38
100%
Accurate 4350
<<locked>>
81%
39479
62%
**77
98%
[Accurate MAGPRO]*
<<locked>>
93%
43323
68%
**09
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
49052
77%
**28
100%
Alliant Reloder-15
<<locked>>
81%
52431
82%
**07
100%
Alliant Reloder-16
<<locked>>
81%
38145
60%
**87
98%
Alliant Reloder-17
<<locked>>
81%
43511
68%
**31
100%
[Alliant Reloder-19]*
<<locked>>
82%
34360
54%
**46
90%
[Alliant Reloder-22]*
<<locked>>
86%
34011
53%
**76
90%
Alliant Reloder-23
<<locked>>
81%
28152
44%
**05
95%
[Alliant Reloder-25]*
<<locked>>
85%
28224
44%
**98
90%
[Alliant Reloder-26]*
<<locked>>
81%
30153
47%
**20
93%
Hodgdon CFE223
<<locked>>
81%
51866
81%
**27
100%
Hodgdon H380
<<locked>>
81%
50169
79%
**58
99%
Hodgdon H414
<<locked>>
81%
45295
71%
**09
97%
[Hodgdon H4350]*
<<locked>>
81%
37028
58%
**59
93%
[Hodgdon H4831]*
<<locked>>
92%
39784
62%
**58
90%
[Hodgdon H4831 SC]*
<<locked>>
88%
39784
62%
**58
90%
Hodgdon Hybrid 100V
<<locked>>
81%
35694
56%
**66
98%
Hodgdon LVR
<<locked>>
81%
42351
66%
**36
98%
Hodgdon Superperformance
<<locked>>
81%
40625
64%
**30
95%
Hodgdon VARGET
<<locked>>
81%
48095
75%
**92
100%
Hodgdon TrailBoss
<<locked>>
81%
27601
43%
**08
100%
IMR 4064
<<locked>>
81%
47500
74%
**76
100%
IMR 4166 Enduron
<<locked>>
81%
46891
73%
**46
97%
[IMR 4350]*
<<locked>>
81%
38957
61%
**12
94%
IMR 4451 Enduron
<<locked>>
81%
45049
71%
**30
96%
IMR 4831
<<locked>>
81%
34476
54%
**40
96%
[IMR 4955 Enduron]*
<<locked>>
87%
39146
61%
**08
90%
[IMR 7828 SSC]*
<<locked>>
89%
39160
61%
**90
90%
Lovex S062
<<locked>>
81%
51169
80%
**38
100%
Lovex S065
<<locked>>
81%
42366
66%
**74
97%
Lovex S070
<<locked>>
81%
40480
63%
**51
96%
[Lovex S071]*
<<locked>>
84%
27673
43%
**33
90%
Norma 203B
<<locked>>
81%
51924
81%
**94
100%
[Norma 204]*
<<locked>>
81%
38653
61%
**41
92%
[Norma MRP]*
<<locked>>
82%
31662
50%
**33
90%
Norma URP
<<locked>>
81%
39204
61%
**74
98%
Ramshot Big Game
<<locked>>
81%
52388
82%
**17
100%
Ramshot Hunter
<<locked>>
81%
38072
60%
**58
95%
[Ramshot Magnum]*
<<locked>>
87%
33344
52%
**26
90%
ReloadSwiss RS 14
<<locked>>
81%
28311
44%
**54
100%
ReloadSwiss RS 50
<<locked>>
81%
49864
78%
**31
98%
ReloadSwiss RS 52
<<locked>>
81%
52054
82%
**07
100%
ReloadSwiss RS 60
<<locked>>
81%
42177
66%
**22
100%
ReloadSwiss RS 62
<<locked>>
81%
39146
61%
**87
97%
ReloadSwiss RS 70
<<locked>>
81%
38014
60%
**90
97%
[ReloadSwiss RS 76]*
<<locked>>
91%
33141
52%
**79
90%
Rottweil R 902
<<locked>>
81%
53127
83%
**54
100%
Rottweil R 903
<<locked>>
81%
46543
73%
**86
100%
[Rottweil R 904]*
<<locked>>
83%
37724
59%
**85
90%
[Rottweil R 905]*
<<locked>>
82%
33779
53%
**30
90%
Rottweil R 907
<<locked>>
81%
43511
68%
**94
96%
SNPE Vectan SP 11
<<locked>>
81%
48008
75%
**38
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
47645
75%
**87
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
41640
65%
**18
96%
Shooters World Long Rifle
<<locked>>
81%
42366
66%
**74
97%
Shooters World Precision
<<locked>>
81%
51169
80%
**38
100%
Somchem S355
<<locked>>
81%
46862
73%
**82
100%
[Somchem S361]*
<<locked>>
84%
39755
62%
**92
90%
Somchem S365
<<locked>>
81%
35563
56%
**18
99%
[Somchem S385]*
<<locked>>
81%
33011
52%
**84
91%
Vihtavuori N133
<<locked>>
81%
53200
83%
**66
100%
Vihtavuori N135
<<locked>>
81%
45455
71%
**90
100%
Vihtavuori N140
<<locked>>
81%
53011
83%
**28
100%
Vihtavuori N150
<<locked>>
81%
39914
63%
**08
100%
Vihtavuori N160
<<locked>>
81%
42192
66%
**04
98%
[Vihtavuori N165]*
<<locked>>
86%
32140
50%
**51
90%
Vihtavuori N540
<<locked>>
81%
52721
83%
**48
100%
Vihtavuori N550
<<locked>>
81%
43076
67%
**53
98%
Vihtavuori N555
<<locked>>
81%
31038
49%
**94
95%
[Vihtavuori N560]*
<<locked>>
90%
39595
62%
**23
90%
[Vihtavuori N565]*
<<locked>>
94%
38130
60%
**81
90%
Winchester 6.5 StaBALL
<<locked>>
81%
39755
62%
**41
99%
Winchester 760
<<locked>>
81%
45295
71%
**09
97%
[Winchester StaBALL HD]*
<<locked>>
81%
24903
39%
**46
92%

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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