top of page

Load data for .270 Weath. Mag. + .277 | 140gr | Sierra Tipped GameKing

You need to be a member to bookmark a  load !

Bookmark this load
>> My bookmarks

Recommended Powder(s): Alliant Reloder-26, Hodgdon H4350, Norma 204, Norma MRP, Somchem S385

.270 Weath. Mag. + .277 | 140gr | Sierra Tipped GameKing

Load Specifications

Bullet:
.277 | 140gr | Sierra Tipped GameKing
Manufacturer SKU:
4440
Bullet Weight:
140gr | 9.1g
Bullet Diameter:
0.277" | 7.04mm
Bullet Length:
1.232" | 31.3mm
Caliber:
.270 Weath. Mag. load data
Case Length (l3):
2.549" | 64.7mm
Cartridge Length (C.O.L.):
3.246" | 82.4mm
Seated Depth:
0.535" | 13.6mm
Shank Seated Depth:
0.406" | 10.3mm
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_B5829_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 176 loads in caliber .270 Weath. Mag. with .277 | 140gr | Sierra Tipped GameKing bullet and 88 powders such as Alliant Reloder-26, Hodgdon H4350, Norma 204, Norma MRP, Somchem S385. 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. 34.4 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>>
87%
63527
100%
**45
100%
ADI AR 2209
<<locked>>
96%
62903
99%
**36
100%
ADI AR 2213
<<locked>>
97%
57856
91%
**97
98%
[ADI AR 2217]*
<<locked>>
97%
41989
66%
**79
94%
ADI AR 2225
<<locked>>
97%
37130
58%
**26
96%
Accurate 2700
<<locked>>
87%
63121
99%
**02
100%
Accurate 3100
<<locked>>
97%
57145
90%
**89
100%
Accurate 4064
<<locked>>
84%
63367
99%
**86
100%
Accurate 4350
<<locked>>
91%
63295
99%
**94
100%
Accurate MAGPRO
<<locked>>
97%
56376
88%
**81
96%
Alliant Reloder- TS 15.5
<<locked>>
85%
62801
98%
**35
100%
Alliant Reloder-15
<<locked>>
84%
63309
99%
**61
100%
Alliant Reloder-16
<<locked>>
93%
63222
99%
**30
100%
Alliant Reloder-17
<<locked>>
88%
63599
100%
**40
100%
Alliant Reloder-19
<<locked>>
97%
62656
98%
**20
100%
Alliant Reloder-22
<<locked>>
97%
57392
90%
**84
99%
Alliant Reloder-23
<<locked>>
97%
54868
86%
**05
100%
Alliant Reloder-25
<<locked>>
97%
46905
73%
**36
100%
Alliant Reloder-26 👍
<<locked>>
97%
63585
100%
**15
100%
Hodgdon CFE223
<<locked>>
84%
63614
100%
**00
100%
[Hodgdon H1000]*
<<locked>>
97%
41989
66%
**79
94%
Hodgdon H380
<<locked>>
85%
63309
99%
**61
100%
Hodgdon H414
<<locked>>
87%
63280
99%
**23
100%
Hodgdon H4350 👍
<<locked>>
95%
63498
100%
**81
100%
Hodgdon H4831
<<locked>>
97%
52939
83%
**53
97%
Hodgdon H4831 SC
<<locked>>
97%
60495
95%
**71
98%
Hodgdon Hybrid 100V
<<locked>>
95%
63454
99%
**54
100%
Hodgdon LVR
<<locked>>
90%
63773
100%
**04
100%
Hodgdon Retumbo
<<locked>>
97%
37130
58%
**26
96%
Hodgdon Superperformance
<<locked>>
89%
63367
99%
**56
100%
Hodgdon VARGET
<<locked>>
87%
63222
99%
**31
100%
Hodgdon TrailBoss
<<locked>>
97%
35404
55%
**44
100%
IMR 4064
<<locked>>
87%
63440
99%
**31
100%
IMR 4166 Enduron
<<locked>>
88%
63454
99%
**35
100%
IMR 4350
<<locked>>
93%
63005
99%
**64
100%
IMR 4451 Enduron
<<locked>>
89%
63063
99%
**58
100%
IMR 4831
<<locked>>
96%
63483
99%
**74
100%
IMR 4955 Enduron
<<locked>>
97%
58436
92%
**12
98%
IMR 7828 SSC
<<locked>>
97%
59190
93%
**23
99%
Lovex S062
<<locked>>
85%
63744
100%
**09
100%
Lovex S065
<<locked>>
91%
63237
99%
**48
100%
Lovex S070
<<locked>>
92%
63585
100%
**74
100%
Lovex S071
<<locked>>
97%
48037
75%
**41
99%
Norma 203B
<<locked>>
84%
63411
99%
**61
100%
Norma 204 👍
<<locked>>
92%
62874
99%
**07
99%
[Norma 217]*
<<locked>>
97%
32938
52%
**41
93%
Norma MRP 👍
<<locked>>
97%
61337
96%
**76
100%
Norma URP
<<locked>>
92%
63106
99%
**91
100%
Ramshot Big Game
<<locked>>
83%
63150
99%
**68
100%
Ramshot Hunter
<<locked>>
92%
63063
99%
**14
100%
Ramshot Magnum
<<locked>>
97%
55854
88%
**45
99%
ReloadSwiss RS 14
<<locked>>
97%
36158
57%
**86
100%
ReloadSwiss RS 50
<<locked>>
85%
63063
99%
**54
100%
ReloadSwiss RS 52
<<locked>>
84%
63599
100%
**58
100%
ReloadSwiss RS 60
<<locked>>
89%
63440
99%
**53
100%
ReloadSwiss RS 62
<<locked>>
91%
63570
100%
**23
100%
ReloadSwiss RS 70
<<locked>>
92%
63367
99%
**66
100%
ReloadSwiss RS 76
<<locked>>
97%
46238
72%
**69
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
41234
65%
**35
93%
Rottweil R 902
<<locked>>
84%
63672
100%
**99
100%
Rottweil R 903
<<locked>>
87%
63077
99%
**28
100%
Rottweil R 904
<<locked>>
96%
63527
100%
**91
99%
Rottweil R 905
<<locked>>
97%
63092
99%
**23
100%
Rottweil R 907
<<locked>>
90%
63454
99%
**61
100%
SNPE Vectan SP 11
<<locked>>
86%
63657
100%
**77
100%
SNPE Vectan Tubal 5000
<<locked>>
87%
63744
100%
**07
100%
SNPE Vectan Tubal 7000
<<locked>>
91%
63599
100%
**09
100%
Shooters World Long Rifle
<<locked>>
91%
63237
99%
**48
100%
Shooters World Precision
<<locked>>
85%
63744
100%
**09
100%
Somchem S355
<<locked>>
87%
63585
100%
**41
100%
Somchem S361
<<locked>>
95%
63744
100%
**58
98%
Somchem S365
<<locked>>
94%
63019
99%
**91
100%
Somchem S385 👍
<<locked>>
97%
63672
100%
**00
100%
Vihtavuori N133
<<locked>>
84%
63759
100%
**97
100%
Vihtavuori N135
<<locked>>
89%
63382
99%
**36
100%
Vihtavuori N140
<<locked>>
84%
63599
100%
**53
100%
Vihtavuori N150
<<locked>>
92%
63744
100%
**95
100%
Vihtavuori N160
<<locked>>
89%
63150
99%
**58
100%
Vihtavuori N165
<<locked>>
97%
53069
83%
**27
99%
Vihtavuori N540
<<locked>>
84%
63179
99%
**86
100%
Vihtavuori N550
<<locked>>
89%
63338
99%
**97
100%
Vihtavuori N555
<<locked>>
97%
60959
96%
**94
100%
Vihtavuori N560
<<locked>>
97%
57566
90%
**17
98%
Vihtavuori N565
<<locked>>
97%
49139
77%
**46
96%
[Vihtavuori N568]*
<<locked>>
97%
42786
67%
**58
93%
Winchester 6.5 StaBALL
<<locked>>
91%
62801
98%
**12
100%
Winchester 760
<<locked>>
87%
63280
99%
**23
100%
Winchester StaBALL HD
<<locked>>
97%
50952
80%
**71
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
53650
84%
**97
100%
[ADI AR 2209]*
<<locked>>
81%
37710
59%
**67
94%
[ADI AR 2213]*
<<locked>>
81%
34142
53%
**85
90%
[ADI AR 2217]*
<<locked>>
90%
34113
53%
**82
90%
[ADI AR 2225]*
<<locked>>
89%
28703
45%
**57
90%
Accurate 2700
<<locked>>
81%
51793
81%
**31
99%
Accurate 3100
<<locked>>
81%
33402
52%
**30
96%
Accurate 4064
<<locked>>
81%
57305
90%
**04
100%
Accurate 4350
<<locked>>
81%
45034
71%
**02
100%
[Accurate MAGPRO]*
<<locked>>
85%
37492
59%
**00
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
54476
85%
**13
100%
Alliant Reloder-15
<<locked>>
81%
58233
91%
**95
100%
Alliant Reloder-16
<<locked>>
81%
43279
68%
**12
100%
Alliant Reloder-17
<<locked>>
81%
49937
78%
**40
100%
[Alliant Reloder-19]*
<<locked>>
81%
37623
59%
**54
94%
[Alliant Reloder-22]*
<<locked>>
81%
33417
52%
**92
92%
Alliant Reloder-23
<<locked>>
81%
32010
50%
**56
99%
[Alliant Reloder-25]*
<<locked>>
81%
28094
44%
**54
93%
Alliant Reloder-26
<<locked>>
81%
34882
55%
**90
98%
Hodgdon CFE223
<<locked>>
81%
58378
91%
**28
100%
[Hodgdon H1000]*
<<locked>>
90%
34113
53%
**82
90%
Hodgdon H380
<<locked>>
81%
55622
87%
**56
100%
Hodgdon H414
<<locked>>
81%
51039
80%
**27
99%
Hodgdon H4350
<<locked>>
81%
41452
65%
**94
97%
[Hodgdon H4831]*
<<locked>>
83%
34171
54%
**52
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
35230
55%
**75
91%
Hodgdon Hybrid 100V
<<locked>>
81%
41017
64%
**00
100%
Hodgdon LVR
<<locked>>
81%
47514
74%
**44
100%
[Hodgdon Retumbo]*
<<locked>>
89%
28703
45%
**57
90%
Hodgdon Superperformance
<<locked>>
81%
46137
72%
**67
98%
Hodgdon VARGET
<<locked>>
81%
53142
83%
**90
100%
Hodgdon TrailBoss
<<locked>>
81%
28007
44%
**83
100%
IMR 4064
<<locked>>
81%
52547
82%
**67
100%
IMR 4166 Enduron
<<locked>>
81%
51285
80%
**44
99%
IMR 4350
<<locked>>
81%
43482
68%
**40
97%
IMR 4451 Enduron
<<locked>>
81%
49676
78%
**41
99%
IMR 4831
<<locked>>
81%
39001
61%
**64
99%
[IMR 4955 Enduron]*
<<locked>>
81%
35897
56%
**56
91%
[IMR 7828 SSC]*
<<locked>>
81%
34258
54%
**08
91%
Lovex S062
<<locked>>
81%
56971
89%
**20
100%
Lovex S065
<<locked>>
81%
46891
73%
**85
99%
Lovex S070
<<locked>>
81%
45295
71%
**69
98%
[Lovex S071]*
<<locked>>
81%
28877
45%
**05
94%
Norma 203B
<<locked>>
81%
57435
90%
**76
100%
Norma 204
<<locked>>
81%
43439
68%
**69
96%
[Norma 217]*
<<locked>>
92%
28427
45%
**93
90%
Norma MRP
<<locked>>
81%
34896
55%
**57
95%
Norma URP
<<locked>>
81%
44193
69%
**89
100%
Ramshot Big Game
<<locked>>
81%
58682
92%
**09
100%
Ramshot Hunter
<<locked>>
81%
43265
68%
**89
99%
[Ramshot Magnum]*
<<locked>>
81%
30676
48%
**03
92%
ReloadSwiss RS 14
<<locked>>
81%
28761
45%
**26
100%
ReloadSwiss RS 50
<<locked>>
81%
55622
87%
**40
100%
ReloadSwiss RS 52
<<locked>>
81%
58204
91%
**92
100%
ReloadSwiss RS 60
<<locked>>
81%
48080
75%
**30
100%
ReloadSwiss RS 62
<<locked>>
81%
45179
71%
**25
100%
ReloadSwiss RS 70
<<locked>>
81%
43323
68%
**35
99%
[ReloadSwiss RS 76]*
<<locked>>
84%
28805
45%
**93
90%
[ReloadSwiss RS 80]*
<<locked>>
93%
36158
57%
**03
90%
Rottweil R 902
<<locked>>
81%
58436
92%
**27
100%
Rottweil R 903
<<locked>>
81%
52257
82%
**77
100%
[Rottweil R 904]*
<<locked>>
81%
39030
61%
**48
94%
[Rottweil R 905]*
<<locked>>
81%
37072
58%
**48
94%
Rottweil R 907
<<locked>>
81%
48298
76%
**08
98%
SNPE Vectan SP 11
<<locked>>
81%
53708
84%
**40
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
52779
83%
**59
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
46050
72%
**36
98%
Shooters World Long Rifle
<<locked>>
81%
46891
73%
**85
99%
Shooters World Precision
<<locked>>
81%
56971
89%
**20
100%
Somchem S355
<<locked>>
81%
51967
81%
**74
100%
[Somchem S361]*
<<locked>>
81%
39972
63%
**41
93%
Somchem S365
<<locked>>
81%
40930
64%
**49
100%
Somchem S385
<<locked>>
81%
37507
59%
**28
96%
Vihtavuori N133
<<locked>>
81%
58450
92%
**28
100%
Vihtavuori N135
<<locked>>
81%
50850
80%
**66
100%
Vihtavuori N140
<<locked>>
81%
58276
91%
**90
100%
Vihtavuori N150
<<locked>>
81%
44918
70%
**13
100%
Vihtavuori N160
<<locked>>
81%
47892
75%
**28
100%
[Vihtavuori N165]*
<<locked>>
81%
31357
49%
**67
92%
Vihtavuori N540
<<locked>>
81%
58102
91%
**17
100%
Vihtavuori N550
<<locked>>
81%
48269
76%
**71
100%
Vihtavuori N555
<<locked>>
81%
35955
56%
**44
99%
[Vihtavuori N560]*
<<locked>>
81%
33997
53%
**15
90%
[Vihtavuori N565]*
<<locked>>
86%
33736
53%
**92
90%
[Vihtavuori N568]*
<<locked>>
93%
37550
59%
**23
90%
Winchester 6.5 StaBALL
<<locked>>
81%
45063
71%
**49
100%
Winchester 760
<<locked>>
81%
51039
80%
**27
99%
Winchester StaBALL HD
<<locked>>
81%
27079
42%
**52
99%

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.

bottom of page