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Load data for .270 Weath. Mag. + .277 | 130gr | Hornady GMX

Recommended Powder(s): Alliant Reloder-26, IMR 4831, Ramshot Hunter, ReloadSwiss RS 70, Vihtavuori N555

.270 Weath. Mag. + .277 | 130gr | Hornady GMX

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.277 | 130gr | Hornady GMX
Manufacturer SKU:
27370
Bullet Weight:
130gr | 8.4g
Bullet Diameter:
0.277" | 7.04mm
Bullet Length:
1.330" | 33.8mm
Caliber:
.270 Weath. Mag. load data
Case Length (l3):
2.549" | 64.7mm
Cartridge Length (C.O.L.):
3.246" | 82.4mm
Seated Depth:
0.633" | 16.1mm
Shank Seated Depth:
0.518" | 13.2mm
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_B2608_C270
Last updated:
2025-01-01
Recommended Twist Rate:
1:10 - 1:8

Load data for 146 loads in caliber .270 Weath. Mag. with .277 | 130gr | Hornady GMX bullet and 73 powders such as Alliant Reloder-26, IMR 4831, Ramshot Hunter, ReloadSwiss RS 70, Vihtavuori N555. 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>>
85%
56521
89%
**38
100%
ADI AR 2209
<<locked>>
96%
56956
89%
**33
98%
ADI AR 2213
<<locked>>
97%
53258
83%
**00
96%
[ADI AR 2225]*
<<locked>>
97%
34098
53%
**97
93%
Accurate 2700
<<locked>>
86%
56797
89%
**92
99%
Accurate 3100
<<locked>>
97%
52112
82%
**99
99%
Accurate 4350
<<locked>>
90%
56797
89%
**00
100%
[Accurate MAGPRO]*
<<locked>>
97%
51924
81%
**87
94%
Alliant Reloder- TS 15.5
<<locked>>
85%
57319
90%
**51
100%
Alliant Reloder-16
<<locked>>
92%
57116
90%
**53
100%
Alliant Reloder-17
<<locked>>
87%
56869
89%
**50
100%
Alliant Reloder-19
<<locked>>
96%
57232
90%
**27
98%
Alliant Reloder-22
<<locked>>
97%
52562
82%
**94
98%
Alliant Reloder-23
<<locked>>
97%
49676
78%
**22
100%
Alliant Reloder-25
<<locked>>
97%
43018
67%
**36
99%
Alliant Reloder-26 👍
<<locked>>
97%
56985
89%
**22
100%
Hodgdon H380
<<locked>>
84%
56927
89%
**61
100%
Hodgdon H414
<<locked>>
87%
57159
90%
**23
99%
Hodgdon H4350
<<locked>>
94%
57305
90%
**71
99%
[Hodgdon H4831]*
<<locked>>
97%
48544
76%
**53
94%
Hodgdon H4831 SC
<<locked>>
97%
55753
87%
**84
96%
Hodgdon Hybrid 100V
<<locked>>
93%
56724
89%
**54
100%
Hodgdon LVR
<<locked>>
89%
56956
89%
**04
100%
[Hodgdon Retumbo]*
<<locked>>
97%
34098
53%
**97
93%
Hodgdon Superperformance
<<locked>>
89%
56695
89%
**53
99%
Hodgdon VARGET
<<locked>>
85%
57058
89%
**41
100%
Hodgdon TrailBoss
<<locked>>
96%
34867
55%
**93
100%
IMR 4064
<<locked>>
86%
56782
89%
**25
100%
IMR 4166 Enduron
<<locked>>
86%
56652
89%
**18
99%
IMR 4350
<<locked>>
92%
56971
89%
**68
99%
IMR 4451 Enduron
<<locked>>
88%
57159
90%
**51
99%
IMR 4831 👍
<<locked>>
95%
56753
89%
**77
100%
IMR 4955 Enduron
<<locked>>
97%
54607
86%
**28
96%
IMR 7828 SSC
<<locked>>
97%
54317
85%
**27
97%
Lovex S062
<<locked>>
83%
57159
90%
**18
100%
Lovex S065
<<locked>>
89%
57188
90%
**51
100%
Lovex S070
<<locked>>
91%
57406
90%
**74
99%
Lovex S071
<<locked>>
97%
43729
69%
**41
98%
Norma 204
<<locked>>
91%
57406
90%
**07
98%
Norma MRP
<<locked>>
97%
55593
87%
**79
99%
Norma URP
<<locked>>
91%
57159
90%
**10
100%
Ramshot Hunter 👍
<<locked>>
92%
57188
90%
**30
100%
Ramshot Magnum
<<locked>>
97%
51155
80%
**51
98%
ReloadSwiss RS 14
<<locked>>
96%
35346
55%
**32
100%
ReloadSwiss RS 50
<<locked>>
84%
57377
90%
**61
100%
ReloadSwiss RS 60
<<locked>>
88%
57348
90%
**82
100%
ReloadSwiss RS 62
<<locked>>
90%
56942
89%
**27
100%
ReloadSwiss RS 70 👍
<<locked>>
91%
56753
89%
**69
100%
ReloadSwiss RS 76
<<locked>>
97%
41959
66%
**46
97%
Rottweil R 903
<<locked>>
86%
57290
90%
**48
100%
Rottweil R 904
<<locked>>
95%
57188
90%
**71
97%
Rottweil R 905
<<locked>>
97%
57435
90%
**33
99%
Rottweil R 907
<<locked>>
89%
57406
90%
**58
99%
SNPE Vectan SP 11
<<locked>>
85%
57290
90%
**91
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
56666
89%
**10
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
56623
89%
**99
99%
Shooters World Long Rifle
<<locked>>
89%
57188
90%
**51
100%
Shooters World Precision
<<locked>>
83%
57159
90%
**18
100%
Somchem S355
<<locked>>
86%
57174
90%
**51
100%
Somchem S361
<<locked>>
94%
57232
90%
**41
97%
Somchem S365
<<locked>>
93%
56507
89%
**04
100%
Somchem S385
<<locked>>
96%
57029
89%
**87
99%
Vihtavuori N135
<<locked>>
87%
56797
89%
**49
100%
Vihtavuori N150
<<locked>>
91%
57406
90%
**09
100%
Vihtavuori N160
<<locked>>
89%
57029
89%
**68
100%
Vihtavuori N165
<<locked>>
97%
48762
76%
**36
97%
Vihtavuori N550
<<locked>>
88%
56985
89%
**04
100%
Vihtavuori N555 👍
<<locked>>
97%
55840
87%
**07
100%
Vihtavuori N560
<<locked>>
97%
52576
82%
**07
96%
[Vihtavuori N565]*
<<locked>>
97%
44556
70%
**36
94%
Winchester 6.5 StaBALL
<<locked>>
90%
56869
89%
**25
100%
Winchester 760
<<locked>>
87%
57159
90%
**23
99%
Winchester StaBALL HD
<<locked>>
97%
44585
70%
**74
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
50473
79%
**33
100%
[ADI AR 2209]*
<<locked>>
81%
34998
55%
**64
91%
[ADI AR 2213]*
<<locked>>
86%
36912
58%
**36
90%
[ADI AR 2225]*
<<locked>>
93%
30850
48%
**95
90%
Accurate 2700
<<locked>>
81%
48414
76%
**54
97%
[Accurate 3100]*
<<locked>>
81%
30603
48%
**26
93%
Accurate 4350
<<locked>>
81%
41539
65%
**15
99%
[Accurate MAGPRO]*
<<locked>>
90%
41249
65%
**67
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
50879
80%
**49
100%
Alliant Reloder-16
<<locked>>
81%
39943
63%
**31
99%
Alliant Reloder-17
<<locked>>
81%
45759
72%
**66
100%
[Alliant Reloder-19]*
<<locked>>
81%
34925
55%
**61
92%
[Alliant Reloder-22]*
<<locked>>
82%
32198
50%
**25
90%
Alliant Reloder-23
<<locked>>
81%
29515
46%
**66
97%
[Alliant Reloder-25]*
<<locked>>
82%
26760
42%
**64
90%
Alliant Reloder-26
<<locked>>
81%
31633
50%
**74
95%
Hodgdon H380
<<locked>>
81%
52083
82%
**79
100%
Hodgdon H414
<<locked>>
81%
47123
74%
**43
98%
Hodgdon H4350
<<locked>>
81%
38566
60%
**03
95%
[Hodgdon H4831]*
<<locked>>
89%
37478
59%
**03
90%
[Hodgdon H4831 SC]*
<<locked>>
85%
37478
59%
**03
90%
Hodgdon Hybrid 100V
<<locked>>
81%
37652
59%
**13
99%
Hodgdon LVR
<<locked>>
81%
44063
69%
**74
99%
[Hodgdon Retumbo]*
<<locked>>
93%
30850
48%
**95
90%
Hodgdon Superperformance
<<locked>>
81%
42380
66%
**77
96%
Hodgdon VARGET
<<locked>>
81%
49937
78%
**27
100%
Hodgdon TrailBoss
<<locked>>
81%
27978
44%
**39
100%
IMR 4064
<<locked>>
81%
49545
78%
**13
100%
IMR 4166 Enduron
<<locked>>
81%
48196
76%
**71
98%
IMR 4350
<<locked>>
81%
40524
63%
**53
96%
IMR 4451 Enduron
<<locked>>
81%
46746
73%
**67
98%
IMR 4831
<<locked>>
81%
36042
56%
**84
98%
[IMR 4955 Enduron]*
<<locked>>
84%
36767
58%
**57
90%
[IMR 7828 SSC]*
<<locked>>
85%
36579
57%
**33
90%
Lovex S062
<<locked>>
81%
53069
83%
**59
100%
Lovex S065
<<locked>>
81%
43903
69%
**08
98%
Lovex S070
<<locked>>
81%
42192
66%
**85
97%
[Lovex S071]*
<<locked>>
81%
26353
41%
**02
91%
[Norma 204]*
<<locked>>
81%
40466
63%
**82
94%
[Norma MRP]*
<<locked>>
81%
31894
50%
**44
92%
Norma URP
<<locked>>
81%
40930
64%
**05
99%
Ramshot Hunter
<<locked>>
81%
39943
63%
**99
97%
[Ramshot Magnum]*
<<locked>>
83%
30879
48%
**75
90%
ReloadSwiss RS 14
<<locked>>
81%
28442
45%
**78
100%
ReloadSwiss RS 50
<<locked>>
81%
51750
81%
**66
99%
ReloadSwiss RS 60
<<locked>>
81%
44150
69%
**53
100%
ReloadSwiss RS 62
<<locked>>
81%
41394
65%
**38
99%
ReloadSwiss RS 70
<<locked>>
81%
39943
63%
**44
98%
[ReloadSwiss RS 76]*
<<locked>>
88%
31154
49%
**31
90%
Rottweil R 903
<<locked>>
81%
48573
76%
**07
100%
[Rottweil R 904]*
<<locked>>
81%
36434
57%
**57
91%
[Rottweil R 905]*
<<locked>>
81%
33823
53%
**38
91%
Rottweil R 907
<<locked>>
81%
45339
71%
**31
97%
SNPE Vectan SP 11
<<locked>>
81%
50125
79%
**76
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
49603
78%
**05
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
43134
68%
**56
97%
Shooters World Long Rifle
<<locked>>
81%
43903
69%
**08
98%
Shooters World Precision
<<locked>>
81%
53069
83%
**59
100%
Somchem S355
<<locked>>
81%
48617
76%
**07
100%
[Somchem S361]*
<<locked>>
81%
37072
58%
**38
90%
Somchem S365
<<locked>>
81%
37405
59%
**66
100%
[Somchem S385]*
<<locked>>
81%
34606
54%
**31
93%
Vihtavuori N135
<<locked>>
81%
47398
74%
**12
100%
Vihtavuori N150
<<locked>>
81%
41800
66%
**40
100%
Vihtavuori N160
<<locked>>
81%
44237
69%
**38
99%
[Vihtavuori N165]*
<<locked>>
82%
30342
48%
**03
90%
Vihtavuori N550
<<locked>>
81%
45005
71%
**87
99%
Vihtavuori N555
<<locked>>
81%
32880
52%
**44
97%
[Vihtavuori N560]*
<<locked>>
86%
37130
58%
**72
90%
[Vihtavuori N565]*
<<locked>>
91%
36405
57%
**49
90%
Winchester 6.5 StaBALL
<<locked>>
81%
41568
65%
**76
100%
Winchester 760
<<locked>>
81%
47123
74%
**43
98%
Winchester StaBALL HD
<<locked>>
81%
23554
37%
**33
96%

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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