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Load data for .270 Weath. Mag. + .277 | 150gr | Barnes X S

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Recommended Powder(s):

.270 Weath. Mag. + .277 | 150gr | Barnes X S

Load Specifications

Bullet:
.277 | 150gr | Barnes X S
Manufacturer SKU:
27735
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.277" | 7.04mm
Bullet Length:
1.340" | 34.0mm
Caliber:
.270 Weath. Mag.
Case Length (l3):
2.549" | 64.7mm
Cartridge Length (C.O.L.):
3.246" | 82.4mm
Seated Depth:
0.643" | 16.3mm
Shank Seated Depth:
0.643" | 16.3mm
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_B547_C270

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

Load data for 0 loads in caliber .270 Weath. Mag. with .277 | 150gr | Barnes X S bullet and 0 powder(s). 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".

    • A load must fulfill certain criteria to be listed in the default view below - see here.

    • Our load data might deviate from other sources - see the most common reasons here

    • All loads are based on the bullet and case dimensions shown under "Load Specifications" - see here what to do if you deviate.

    • You can set your specifications in the "Personalized Load Calculator".

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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 2209
<<locked>>
90%
57072
89%
**27
99%
ADI AR 2213
<<locked>>
94%
57377
90%
**69
99%
ADI AR 2217
<<locked>>
97%
46949
74%
**79
97%
ADI AR 2225
<<locked>>
97%
42641
67%
**53
99%
Accurate 3100
<<locked>>
93%
57406
90%
**67
100%
Accurate 4350
<<locked>>
84%
57014
89%
**84
100%
Accurate MAGPRO
<<locked>>
94%
56956
89%
**82
97%
Alliant Reloder-16
<<locked>>
86%
56826
89%
**20
100%
Alliant Reloder-19 👍
<<locked>>
91%
56927
89%
**30
99%
Alliant Reloder-22 👍
<<locked>>
93%
56710
89%
**59
99%
Alliant Reloder-23
<<locked>>
95%
57072
89%
**23
100%
Alliant Reloder-25 👍
<<locked>>
97%
53171
83%
**33
100%
Alliant Reloder-26
<<locked>>
91%
57305
90%
**05
100%
[Alliant Reloder-33]*
<<locked>>
97%
43990
69%
**89
92%
Hodgdon H1000
<<locked>>
97%
46949
74%
**79
97%
Hodgdon H4350
<<locked>>
88%
56797
89%
**64
100%
Hodgdon H4831
<<locked>>
96%
56898
89%
**07
98%
Hodgdon H4831 SC
<<locked>>
92%
57145
90%
**07
98%
Hodgdon Hybrid 100V
<<locked>>
88%
57319
90%
**44
100%
Hodgdon LVR
<<locked>>
83%
56579
89%
**81
100%
Hodgdon Retumbo
<<locked>>
97%
42641
67%
**53
99%
Hodgdon Superperformance
<<locked>>
83%
56318
88%
**33
100%
Hodgdon TrailBoss
<<locked>>
96%
35810
56%
**72
100%
IMR 4350
<<locked>>
87%
57145
90%
**64
100%
IMR 4831
<<locked>>
89%
56840
89%
**71
100%
IMR 4955 Enduron
<<locked>>
93%
57363
90%
**84
98%
IMR 7828 SSC
<<locked>>
93%
57319
90%
**89
99%
[IMR 8133 Enduron]*
<<locked>>
97%
38972
61%
**64
94%
Lovex S065
<<locked>>
84%
56826
89%
**31
100%
Lovex S070
<<locked>>
85%
57000
89%
**54
100%
Lovex S071
<<locked>>
97%
54679
86%
**35
100%
Norma 204
<<locked>>
86%
57058
89%
**07
99%
Norma 217
<<locked>>
97%
39711
62%
**10
97%
Norma MRP 👍
<<locked>>
91%
56724
89%
**89
100%
Norma URP
<<locked>>
85%
56724
89%
**87
100%
Ramshot Hunter
<<locked>>
86%
57319
90%
**20
100%
Ramshot Magnum 👍
<<locked>>
94%
57217
90%
**56
100%
ReloadSwiss RS 14
<<locked>>
96%
36434
57%
**08
100%
ReloadSwiss RS 62
<<locked>>
85%
57290
90%
**10
100%
ReloadSwiss RS 70
<<locked>>
86%
57130
90%
**59
100%
ReloadSwiss RS 76
<<locked>>
97%
52533
82%
**86
100%
ReloadSwiss RS 80
<<locked>>
97%
47892
75%
**74
96%
Rottweil R 904
<<locked>>
90%
57406
90%
**81
99%
Rottweil R 905
<<locked>>
91%
57348
90%
**20
99%
Rottweil R 907
<<locked>>
83%
57188
90%
**48
100%
SNPE Vectan Tubal 7000
<<locked>>
85%
57392
90%
**08
100%
Shooters World Long Rifle
<<locked>>
84%
56826
89%
**31
100%
Somchem S361
<<locked>>
89%
56884
89%
**48
98%
Somchem S365
<<locked>>
87%
57246
90%
**87
100%
Somchem S385
<<locked>>
90%
56710
89%
**84
100%
Vihtavuori N150
<<locked>>
86%
57058
89%
**79
100%
Vihtavuori N160
<<locked>>
83%
57246
90%
**54
100%
Vihtavuori N165
<<locked>>
96%
56971
89%
**71
100%
Vihtavuori N555
<<locked>>
91%
57232
90%
**13
100%
Vihtavuori N560
<<locked>>
93%
56753
89%
**89
98%
Vihtavuori N565
<<locked>>
97%
56043
88%
**56
98%
Vihtavuori N568
<<locked>>
97%
48689
76%
**77
96%
[Vihtavuori N570]*
<<locked>>
97%
46833
73%
**61
92%
Winchester 6.5 StaBALL
<<locked>>
85%
56565
89%
**18
100%
Winchester StaBALL HD
<<locked>>
96%
56942
89%
**38
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
42641
67%
**67
97%
[ADI AR 2213]*
<<locked>>
81%
38464
60%
**02
94%
[ADI AR 2217]*
<<locked>>
83%
31705
50%
**15
90%
[ADI AR 2225]*
<<locked>>
81%
27238
43%
**20
91%
Accurate 3100
<<locked>>
81%
39711
62%
**62
98%
Accurate 4350
<<locked>>
81%
51663
81%
**02
100%
[Accurate MAGPRO]*
<<locked>>
81%
37753
59%
**98
91%
Alliant Reloder-16
<<locked>>
81%
48196
76%
**89
100%
Alliant Reloder-19
<<locked>>
81%
42467
67%
**54
97%
Alliant Reloder-22
<<locked>>
81%
38783
61%
**18
96%
Alliant Reloder-23
<<locked>>
81%
37521
59%
**85
100%
Alliant Reloder-25
<<locked>>
81%
33127
52%
**03
97%
Alliant Reloder-26
<<locked>>
81%
41437
65%
**40
100%
[Alliant Reloder-33]*
<<locked>>
94%
40553
64%
**10
90%
[Hodgdon H1000]*
<<locked>>
83%
31705
50%
**15
90%
Hodgdon H4350
<<locked>>
81%
46383
73%
**80
98%
[Hodgdon H4831]*
<<locked>>
81%
36506
57%
**03
92%
[Hodgdon H4831 SC]*
<<locked>>
81%
39958
63%
**89
94%
Hodgdon Hybrid 100V
<<locked>>
81%
46166
72%
**80
100%
Hodgdon LVR
<<locked>>
81%
52736
83%
**22
100%
[Hodgdon Retumbo]*
<<locked>>
81%
27238
43%
**20
91%
Hodgdon Superperformance
<<locked>>
81%
51837
81%
**58
99%
Hodgdon TrailBoss
<<locked>>
84%
30095
47%
**50
100%
IMR 4350
<<locked>>
81%
48501
76%
**26
99%
IMR 4831
<<locked>>
81%
44875
70%
**74
100%
[IMR 4955 Enduron]*
<<locked>>
81%
40147
63%
**52
94%
[IMR 7828 SSC]*
<<locked>>
81%
39392
62%
**38
94%
[IMR 8133 Enduron]*
<<locked>>
89%
30951
49%
**54
90%
Lovex S065
<<locked>>
81%
52533
82%
**66
100%
Lovex S070
<<locked>>
81%
50894
80%
**59
100%
Lovex S071
<<locked>>
81%
34795
55%
**48
97%
Norma 204
<<locked>>
81%
48617
76%
**59
98%
[Norma 217]*
<<locked>>
83%
26890
42%
**43
90%
Norma MRP
<<locked>>
81%
40669
64%
**94
98%
Norma URP
<<locked>>
81%
50096
78%
**82
100%
Ramshot Hunter
<<locked>>
81%
48646
76%
**79
100%
Ramshot Magnum
<<locked>>
81%
36303
57%
**56
96%
ReloadSwiss RS 14
<<locked>>
81%
29544
46%
**63
100%
ReloadSwiss RS 62
<<locked>>
81%
51256
80%
**12
100%
ReloadSwiss RS 70
<<locked>>
81%
48486
76%
**28
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
31444
49%
**90
94%
[ReloadSwiss RS 80]*
<<locked>>
87%
34272
54%
**52
90%
Rottweil R 904
<<locked>>
81%
43758
69%
**38
96%
Rottweil R 905
<<locked>>
81%
42395
66%
**61
97%
Rottweil R 907
<<locked>>
81%
53476
84%
**85
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
51169
80%
**07
99%
Shooters World Long Rifle
<<locked>>
81%
52533
82%
**66
100%
Somchem S361
<<locked>>
81%
44875
70%
**35
95%
Somchem S365
<<locked>>
81%
47340
74%
**46
100%
Somchem S385
<<locked>>
81%
43062
67%
**44
98%
Vihtavuori N150
<<locked>>
81%
50241
79%
**87
100%
Vihtavuori N160
<<locked>>
81%
53388
84%
**95
100%
Vihtavuori N165
<<locked>>
81%
36753
58%
**93
96%
Vihtavuori N555
<<locked>>
81%
42540
67%
**71
100%
[Vihtavuori N560]*
<<locked>>
81%
38812
61%
**28
93%
[Vihtavuori N565]*
<<locked>>
81%
34287
54%
**10
92%
[Vihtavuori N568]*
<<locked>>
86%
35505
56%
**72
90%
[Vihtavuori N570]*
<<locked>>
93%
41974
66%
**53
90%
Winchester 6.5 StaBALL
<<locked>>
81%
50111
79%
**23
100%
Winchester StaBALL HD
<<locked>>
81%
33475
52%
**21
100%

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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