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

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Alliant Reloder-22, Norma MRP, Ramshot Magnum

.270 WSM + .277 | 150gr | Barnes X S

Load Specifications

(Use the Personalized Load Calculator below to adjust )

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 WSM load data
Case Length (l3):
2.090" | 53.1mm
Cartridge Length (C.O.L.):
2.817" | 71.6mm
Seated Depth:
0.613" | 15.6mm
Shank Seated Depth:
0.613" | 15.6mm
Case Capacity:
79.5 Grains of Water | 5.16 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B547_C269
Last updated:
2025-01-01

Load data for 124 loads in caliber .270 WSM with .277 | 150gr | Barnes X S bullet and 62 powders such as ADI AR 2209, Alliant Reloder-19, Alliant Reloder-22, Norma MRP, Ramshot Magnum. 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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  • We recommend you limit powder range to relevant brands to speed up re-calculation of results

    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.

    .

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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>>
91%
56840
89%
**23
99%
ADI AR 2213
<<locked>>
95%
57290
90%
**76
99%
ADI AR 2217
<<locked>>
97%
46137
72%
**62
97%
ADI AR 2225
<<locked>>
97%
41307
65%
**26
98%
Accurate 3100
<<locked>>
94%
57072
89%
**64
100%
Accurate 4350
<<locked>>
85%
56898
89%
**81
100%
Accurate MAGPRO
<<locked>>
94%
56913
89%
**72
97%
Alliant Reloder-16
<<locked>>
87%
57377
90%
**40
100%
Alliant Reloder-19 👍
<<locked>>
91%
56463
88%
**17
99%
Alliant Reloder-22 👍
<<locked>>
94%
56768
89%
**66
99%
Alliant Reloder-23
<<locked>>
96%
56971
89%
**20
100%
Alliant Reloder-25
<<locked>>
97%
51387
81%
**00
100%
Alliant Reloder-26
<<locked>>
91%
56710
89%
**02
100%
Hodgdon H1000
<<locked>>
97%
46137
72%
**62
97%
Hodgdon H4350
<<locked>>
89%
57319
90%
**74
100%
Hodgdon H4831
<<locked>>
97%
56724
89%
**97
98%
Hodgdon H4831 SC
<<locked>>
93%
57232
90%
**13
98%
Hodgdon Hybrid 100V
<<locked>>
89%
57014
89%
**48
100%
Hodgdon LVR
<<locked>>
84%
57421
90%
**94
100%
Hodgdon Retumbo
<<locked>>
97%
41307
65%
**26
98%
Hodgdon Superperformance
<<locked>>
84%
56463
88%
**40
100%
Hodgdon TrailBoss
<<locked>>
96%
35723
56%
**62
100%
IMR 4350
<<locked>>
87%
56927
89%
**58
100%
IMR 4451 Enduron
<<locked>>
84%
57348
90%
**48
100%
IMR 4831
<<locked>>
90%
57232
90%
**71
100%
IMR 4955 Enduron
<<locked>>
94%
56782
89%
**67
98%
IMR 7828 SSC
<<locked>>
94%
57217
90%
**82
99%
[IMR 8133 Enduron]*
<<locked>>
97%
37637
59%
**44
94%
Lovex S065
<<locked>>
85%
57261
90%
**41
100%
Lovex S070
<<locked>>
86%
57116
90%
**58
100%
Lovex S071
<<locked>>
97%
53258
83%
**12
100%
Norma 204
<<locked>>
87%
57334
90%
**07
99%
Norma 217
<<locked>>
97%
38159
60%
**77
97%
Norma MRP 👍
<<locked>>
92%
57130
90%
**92
100%
Norma URP
<<locked>>
86%
57188
90%
**97
100%
Ramshot Hunter
<<locked>>
87%
57261
90%
**20
100%
Ramshot Magnum 👍
<<locked>>
95%
57246
90%
**56
100%
ReloadSwiss RS 14
<<locked>>
97%
36767
58%
**08
100%
ReloadSwiss RS 60
<<locked>>
83%
56420
88%
**43
100%
ReloadSwiss RS 62
<<locked>>
85%
56985
89%
**07
100%
ReloadSwiss RS 70
<<locked>>
86%
56666
89%
**59
100%
ReloadSwiss RS 76
<<locked>>
97%
50589
79%
**56
100%
ReloadSwiss RS 80
<<locked>>
97%
46064
72%
**44
95%
Rottweil R 904
<<locked>>
90%
56681
89%
**71
98%
Rottweil R 905
<<locked>>
92%
56927
89%
**17
99%
Rottweil R 907
<<locked>>
84%
57014
89%
**44
100%
SNPE Vectan Tubal 7000
<<locked>>
85%
57305
90%
**02
100%
Shooters World Long Rifle
<<locked>>
85%
57261
90%
**41
100%
Somchem S361
<<locked>>
90%
57101
89%
**44
98%
Somchem S365
<<locked>>
88%
56753
89%
**84
100%
Somchem S385
<<locked>>
91%
56681
89%
**77
100%
Vihtavuori N150
<<locked>>
86%
57406
90%
**85
100%
Vihtavuori N160
<<locked>>
84%
56942
89%
**48
100%
Vihtavuori N165
<<locked>>
96%
56666
89%
**64
100%
Vihtavuori N550
<<locked>>
84%
57232
90%
**94
100%
Vihtavuori N555
<<locked>>
92%
57421
90%
**20
100%
Vihtavuori N560
<<locked>>
94%
56855
89%
**89
98%
Vihtavuori N565
<<locked>>
97%
54389
85%
**27
98%
Vihtavuori N568
<<locked>>
97%
47601
75%
**54
95%
[Vihtavuori N570]*
<<locked>>
97%
45643
72%
**38
92%
Winchester 6.5 StaBALL
<<locked>>
86%
57145
90%
**28
100%
Winchester StaBALL HD
<<locked>>
97%
56478
88%
**38
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
41655
65%
**51
96%
[ADI AR 2213]*
<<locked>>
81%
37492
59%
**72
93%
[ADI AR 2217]*
<<locked>>
85%
32358
51%
**31
90%
[ADI AR 2225]*
<<locked>>
81%
26861
42%
**10
90%
Accurate 3100
<<locked>>
81%
39059
61%
**52
98%
Accurate 4350
<<locked>>
81%
50807
80%
**85
100%
[Accurate MAGPRO]*
<<locked>>
81%
36608
57%
**69
90%
Alliant Reloder-16
<<locked>>
81%
47355
74%
**79
100%
Alliant Reloder-19
<<locked>>
81%
41742
65%
**44
97%
Alliant Reloder-22
<<locked>>
81%
37695
59%
**92
95%
Alliant Reloder-23
<<locked>>
81%
36579
57%
**69
100%
Alliant Reloder-25
<<locked>>
81%
32329
51%
**84
97%
Alliant Reloder-26
<<locked>>
81%
39842
62%
**13
100%
[Hodgdon H1000]*
<<locked>>
85%
32358
51%
**31
90%
Hodgdon H4350
<<locked>>
81%
45150
71%
**61
98%
[Hodgdon H4831]*
<<locked>>
81%
35549
56%
**80
92%
[Hodgdon H4831 SC]*
<<locked>>
81%
39117
61%
**66
93%
Hodgdon Hybrid 100V
<<locked>>
81%
44875
70%
**54
100%
Hodgdon LVR
<<locked>>
81%
51880
81%
**05
100%
[Hodgdon Retumbo]*
<<locked>>
81%
26861
42%
**10
90%
Hodgdon Superperformance
<<locked>>
81%
50314
79%
**41
99%
Hodgdon TrailBoss
<<locked>>
85%
30501
48%
**54
100%
IMR 4350
<<locked>>
81%
47311
74%
**00
99%
IMR 4451 Enduron
<<locked>>
81%
53359
84%
**89
100%
IMR 4831
<<locked>>
81%
43584
68%
**41
100%
[IMR 4955 Enduron]*
<<locked>>
81%
39349
62%
**39
94%
[IMR 7828 SSC]*
<<locked>>
81%
38464
60%
**12
94%
[IMR 8133 Enduron]*
<<locked>>
90%
31082
49%
**54
90%
Lovex S065
<<locked>>
81%
51213
80%
**40
100%
Lovex S070
<<locked>>
81%
49632
78%
**33
99%
Lovex S071
<<locked>>
81%
34069
53%
**31
97%
Norma 204
<<locked>>
81%
47543
75%
**40
98%
[Norma 217]*
<<locked>>
84%
26774
42%
**43
90%
Norma MRP
<<locked>>
81%
39407
62%
**67
97%
Norma URP
<<locked>>
81%
48718
76%
**56
100%
Ramshot Hunter
<<locked>>
81%
47369
74%
**56
100%
Ramshot Magnum
<<locked>>
81%
35114
55%
**26
95%
ReloadSwiss RS 14
<<locked>>
81%
29559
46%
**57
100%
ReloadSwiss RS 60
<<locked>>
81%
52156
82%
**81
100%
ReloadSwiss RS 62
<<locked>>
81%
49705
78%
**99
100%
ReloadSwiss RS 70
<<locked>>
81%
47500
74%
**12
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
30690
48%
**64
93%
[ReloadSwiss RS 80]*
<<locked>>
88%
34330
54%
**59
90%
Rottweil R 904
<<locked>>
81%
43004
67%
**25
96%
Rottweil R 905
<<locked>>
81%
41336
65%
**35
97%
Rottweil R 907
<<locked>>
81%
52170
82%
**66
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
50401
79%
**90
99%
Shooters World Long Rifle
<<locked>>
81%
51213
80%
**40
100%
Somchem S361
<<locked>>
81%
43947
69%
**15
95%
Somchem S365
<<locked>>
81%
46079
72%
**23
100%
Somchem S385
<<locked>>
81%
41959
66%
**18
98%
Vihtavuori N150
<<locked>>
81%
48892
77%
**61
100%
Vihtavuori N160
<<locked>>
81%
52170
82%
**76
100%
Vihtavuori N165
<<locked>>
81%
35650
56%
**70
95%
Vihtavuori N550
<<locked>>
81%
52837
83%
**25
100%
Vihtavuori N555
<<locked>>
81%
41133
64%
**48
100%
[Vihtavuori N560]*
<<locked>>
81%
37652
59%
**08
93%
[Vihtavuori N565]*
<<locked>>
81%
33330
52%
**84
91%
[Vihtavuori N568]*
<<locked>>
88%
35955
56%
**82
90%
[Vihtavuori N570]*
<<locked>>
94%
41843
66%
**53
90%
Winchester 6.5 StaBALL
<<locked>>
81%
48602
76%
**03
100%
Winchester StaBALL HD
<<locked>>
81%
32184
50%
**08
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.

<<locked>>... you need to buy an access license to unlock the data

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