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Load data for .270 Weath. Mag. + .277 | 140gr | Hornady SST InterLock

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Recommended Powder(s): Alliant Reloder-26, Ramshot Hunter, Somchem S385, Vihtavuori N555, Winchester StaBALL HD

.270 Weath. Mag. + .277 | 140gr | Hornady SST InterLock

Load Specifications

Bullet:
.277 | 140gr | Hornady SST InterLock
Manufacturer SKU:
27352
Bullet Weight:
140gr | 9.1g
Bullet Diameter:
0.277" | 7.04mm
Bullet Length:
1.290" | 32.8mm
Caliber:
.270 Weath. Mag. load data
Case Length (l3):
2.549" | 64.7mm
Cartridge Length (C.O.L.):
3.246" | 82.4mm
Seated Depth:
0.593" | 15.1mm
Shank Seated Depth:
0.478" | 12.2mm
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_B2614_C270
Last updated:
2025-01-01
Recommended Twist Rate:
1:10 - 1:9

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

Load data for 146 loads in caliber .270 Weath. Mag. with .277 | 140gr | Hornady SST InterLock bullet and 73 powders such as Alliant Reloder-26, Ramshot Hunter, Somchem S385, Vihtavuori N555, Winchester StaBALL HD. 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".

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    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>>
83%
57029
89%
**43
100%
ADI AR 2209
<<locked>>
94%
57087
89%
**45
99%
ADI AR 2213
<<locked>>
97%
56550
89%
**71
98%
[ADI AR 2217]*
<<locked>>
97%
41075
64%
**49
94%
ADI AR 2225
<<locked>>
97%
36724
58%
**13
96%
Accurate 2700
<<locked>>
84%
57203
90%
**13
99%
Accurate 3100
<<locked>>
97%
56710
89%
**72
100%
Accurate 4350
<<locked>>
88%
57014
89%
**05
100%
Accurate MAGPRO
<<locked>>
97%
55608
87%
**61
96%
Alliant Reloder-16
<<locked>>
90%
57174
90%
**54
100%
Alliant Reloder-17
<<locked>>
85%
57130
90%
**51
100%
Alliant Reloder-19
<<locked>>
94%
57116
89%
**35
99%
Alliant Reloder-22
<<locked>>
97%
56173
88%
**61
99%
Alliant Reloder-23
<<locked>>
97%
53388
84%
**89
100%
Alliant Reloder-25
<<locked>>
97%
45832
72%
**10
100%
Alliant Reloder-26 👍
<<locked>>
95%
57203
90%
**20
100%
[Hodgdon H1000]*
<<locked>>
97%
41075
64%
**49
94%
Hodgdon H414
<<locked>>
85%
57174
90%
**31
100%
Hodgdon H4350
<<locked>>
92%
57174
90%
**79
99%
Hodgdon H4831
<<locked>>
97%
52460
82%
**43
97%
Hodgdon H4831 SC
<<locked>>
95%
56565
89%
**02
97%
Hodgdon Hybrid 100V
<<locked>>
92%
57174
90%
**66
100%
Hodgdon LVR
<<locked>>
87%
57043
89%
**09
100%
Hodgdon Retumbo
<<locked>>
97%
36724
58%
**13
96%
Hodgdon Superperformance
<<locked>>
87%
56753
89%
**51
100%
Hodgdon VARGET
<<locked>>
84%
57029
89%
**43
100%
Hodgdon TrailBoss
<<locked>>
96%
35027
55%
**31
100%
IMR 4064
<<locked>>
84%
56695
89%
**30
100%
IMR 4166 Enduron
<<locked>>
85%
57029
89%
**36
100%
IMR 4350
<<locked>>
90%
57377
90%
**76
99%
IMR 4451 Enduron
<<locked>>
86%
56594
89%
**53
100%
IMR 4831
<<locked>>
93%
56797
89%
**89
100%
IMR 4955 Enduron
<<locked>>
96%
56898
89%
**72
98%
IMR 7828 SSC
<<locked>>
96%
57072
89%
**94
98%
Lovex S065
<<locked>>
87%
56797
89%
**49
100%
Lovex S070
<<locked>>
89%
57246
90%
**76
100%
Lovex S071
<<locked>>
97%
46717
73%
**18
99%
Norma 204
<<locked>>
89%
57145
90%
**15
99%
[Norma 217]*
<<locked>>
97%
32590
51%
**18
93%
Norma MRP
<<locked>>
95%
56898
89%
**07
100%
Norma URP
<<locked>>
89%
57261
90%
**12
100%
Ramshot Hunter 👍
<<locked>>
90%
57421
90%
**28
100%
Ramshot Magnum
<<locked>>
97%
54650
86%
**25
99%
ReloadSwiss RS 14
<<locked>>
97%
36187
57%
**83
100%
ReloadSwiss RS 60
<<locked>>
86%
56913
89%
**68
100%
ReloadSwiss RS 62
<<locked>>
88%
57217
90%
**28
100%
ReloadSwiss RS 70
<<locked>>
89%
56797
89%
**74
100%
ReloadSwiss RS 76
<<locked>>
97%
44991
71%
**43
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
40698
64%
**18
92%
Rottweil R 903
<<locked>>
84%
57334
90%
**53
100%
Rottweil R 904
<<locked>>
93%
56855
89%
**79
98%
Rottweil R 905
<<locked>>
95%
57435
90%
**38
99%
Rottweil R 907
<<locked>>
87%
57392
90%
**63
99%
SNPE Vectan SP 11
<<locked>>
83%
57087
89%
**89
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
57029
89%
**18
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
57014
89%
**07
100%
Shooters World Long Rifle
<<locked>>
87%
56797
89%
**49
100%
Somchem S355
<<locked>>
84%
56956
89%
**43
100%
Somchem S361
<<locked>>
92%
56884
89%
**53
97%
Somchem S365
<<locked>>
91%
56898
89%
**02
100%
Somchem S385 👍
<<locked>>
94%
57072
89%
**92
99%
Vihtavuori N135
<<locked>>
86%
57319
90%
**54
100%
Vihtavuori N150
<<locked>>
89%
57029
89%
**00
100%
Vihtavuori N160
<<locked>>
87%
56942
89%
**69
100%
Vihtavuori N165
<<locked>>
97%
51764
81%
**97
99%
Vihtavuori N550
<<locked>>
86%
57029
89%
**05
100%
Vihtavuori N555 👍
<<locked>>
95%
56913
89%
**35
100%
Vihtavuori N560
<<locked>>
97%
56202
88%
**91
98%
Vihtavuori N565
<<locked>>
97%
47906
75%
**17
96%
[Vihtavuori N568]*
<<locked>>
97%
41669
65%
**18
92%
Winchester 6.5 StaBALL
<<locked>>
88%
56739
89%
**30
100%
Winchester 760
<<locked>>
85%
57174
90%
**31
100%
Winchester StaBALL HD 👍
<<locked>>
97%
49371
77%
**48
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
52968
83%
**77
100%
[ADI AR 2209]*
<<locked>>
81%
37173
58%
**44
94%
[ADI AR 2213]*
<<locked>>
82%
34214
54%
**89
90%
[ADI AR 2217]*
<<locked>>
91%
33823
53%
**69
90%
[ADI AR 2225]*
<<locked>>
89%
28906
45%
**61
90%
Accurate 2700
<<locked>>
81%
50894
80%
**12
99%
Accurate 3100
<<locked>>
81%
32837
51%
**16
96%
Accurate 4350
<<locked>>
81%
44353
69%
**92
100%
[Accurate MAGPRO]*
<<locked>>
86%
37913
59%
**07
90%
Alliant Reloder-16
<<locked>>
81%
42685
67%
**02
100%
Alliant Reloder-17
<<locked>>
81%
48965
77%
**23
100%
[Alliant Reloder-19]*
<<locked>>
81%
37072
58%
**44
94%
[Alliant Reloder-22]*
<<locked>>
81%
32808
51%
**66
92%
Alliant Reloder-23
<<locked>>
81%
31546
49%
**46
99%
[Alliant Reloder-25]*
<<locked>>
81%
27572
43%
**25
93%
Alliant Reloder-26
<<locked>>
81%
34403
54%
**77
98%
[Hodgdon H1000]*
<<locked>>
91%
33823
53%
**69
90%
Hodgdon H414
<<locked>>
81%
50053
78%
**07
99%
Hodgdon H4350
<<locked>>
81%
40756
64%
**77
97%
[Hodgdon H4831]*
<<locked>>
84%
34853
55%
**59
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
34853
55%
**59
90%
Hodgdon Hybrid 100V
<<locked>>
81%
39943
63%
**71
100%
Hodgdon LVR
<<locked>>
81%
46978
74%
**38
100%
[Hodgdon Retumbo]*
<<locked>>
89%
28906
45%
**61
90%
Hodgdon Superperformance
<<locked>>
81%
45658
72%
**54
98%
Hodgdon VARGET
<<locked>>
81%
52272
82%
**71
100%
Hodgdon TrailBoss
<<locked>>
81%
28181
44%
**80
100%
IMR 4064
<<locked>>
81%
51924
81%
**58
100%
IMR 4166 Enduron
<<locked>>
81%
50734
80%
**35
99%
IMR 4350
<<locked>>
81%
42888
67%
**20
97%
IMR 4451 Enduron
<<locked>>
81%
49066
77%
**22
99%
IMR 4831
<<locked>>
81%
38435
60%
**51
99%
[IMR 4955 Enduron]*
<<locked>>
81%
35070
55%
**36
91%
[IMR 7828 SSC]*
<<locked>>
81%
33910
53%
**92
90%
Lovex S065
<<locked>>
81%
46369
73%
**69
99%
Lovex S070
<<locked>>
81%
44672
70%
**59
98%
[Lovex S071]*
<<locked>>
81%
28282
44%
**88
93%
Norma 204
<<locked>>
81%
43018
67%
**56
96%
[Norma 217]*
<<locked>>
93%
28964
45%
**10
90%
[Norma MRP]*
<<locked>>
81%
34069
53%
**31
94%
Norma URP
<<locked>>
81%
43642
68%
**79
100%
Ramshot Hunter
<<locked>>
81%
42569
67%
**69
98%
[Ramshot Magnum]*
<<locked>>
81%
30356
48%
**90
91%
ReloadSwiss RS 14
<<locked>>
81%
28660
45%
**19
100%
ReloadSwiss RS 60
<<locked>>
81%
47297
74%
**13
100%
ReloadSwiss RS 62
<<locked>>
81%
44179
69%
**02
99%
ReloadSwiss RS 70
<<locked>>
81%
42554
67%
**15
99%
[ReloadSwiss RS 76]*
<<locked>>
84%
29211
46%
**07
90%
[ReloadSwiss RS 80]*
<<locked>>
94%
36608
57%
**17
90%
Rottweil R 903
<<locked>>
81%
51663
81%
**71
100%
[Rottweil R 904]*
<<locked>>
81%
38566
60%
**28
93%
[Rottweil R 905]*
<<locked>>
81%
36230
57%
**21
94%
Rottweil R 907
<<locked>>
81%
47529
74%
**99
98%
SNPE Vectan SP 11
<<locked>>
81%
53084
83%
**23
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
52185
82%
**53
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
45658
72%
**20
98%
Shooters World Long Rifle
<<locked>>
81%
46369
73%
**69
99%
Somchem S355
<<locked>>
81%
51387
81%
**58
100%
[Somchem S361]*
<<locked>>
81%
39247
61%
**21
92%
Somchem S365
<<locked>>
81%
40335
63%
**33
100%
Somchem S385
<<locked>>
81%
37072
58%
**12
95%
Vihtavuori N135
<<locked>>
81%
50096
78%
**53
100%
Vihtavuori N150
<<locked>>
81%
44309
69%
**03
100%
Vihtavuori N160
<<locked>>
81%
46876
73%
**05
100%
[Vihtavuori N165]*
<<locked>>
81%
30937
48%
**48
92%
Vihtavuori N550
<<locked>>
81%
47776
75%
**54
100%
Vihtavuori N555
<<locked>>
81%
35389
55%
**25
98%
[Vihtavuori N560]*
<<locked>>
82%
34693
54%
**28
90%
[Vihtavuori N565]*
<<locked>>
86%
33199
52%
**85
90%
[Vihtavuori N568]*
<<locked>>
94%
38029
60%
**33
90%
Winchester 6.5 StaBALL
<<locked>>
81%
44222
69%
**36
100%
Winchester 760
<<locked>>
81%
50053
78%
**07
99%
Winchester StaBALL HD
<<locked>>
81%
26440
41%
**43
98%

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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