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

Recommended Powder(s): Alliant Reloder-26, Hodgdon Superperformance, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70

.270 Win. + .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 Win. load data
Case Length (l3):
2.540" | 64.5mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.590" | 15.0mm
Shank Seated Depth:
0.590" | 15.0mm
Case Capacity:
67.0 Grains of Water | 4.35 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
62366 psi | 4300 bar
LID:
LID_B547_C271
Last updated:
2025-01-01

Load data for 148 loads in caliber .270 Win. with .277 | 150gr | Barnes X S bullet and 74 powders such as Alliant Reloder-26, Hodgdon Superperformance, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70. 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. 29.5 fps

  • 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.

    .

    Loading_icon.gif

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%
55709
89%
**17
100%
ADI AR 2209
<<locked>>
97%
55448
89%
**05
98%
ADI AR 2213
<<locked>>
96%
49893
80%
**36
95%
[ADI AR 2225]*
<<locked>>
97%
34098
55%
**31
92%
Accurate 2700
<<locked>>
86%
55680
89%
**74
98%
Accurate 3100
<<locked>>
97%
50314
81%
**87
99%
Accurate 4350
<<locked>>
90%
54897
88%
**69
100%
[Accurate MAGPRO]*
<<locked>>
97%
48269
77%
**30
93%
Alliant Reloder- TS 15.5
<<locked>>
84%
55259
89%
**20
100%
Alliant Reloder-16
<<locked>>
93%
55492
89%
**28
100%
Alliant Reloder-17
<<locked>>
88%
55492
89%
**35
100%
Alliant Reloder-19
<<locked>>
97%
55027
88%
**95
98%
Alliant Reloder-22
<<locked>>
96%
48892
78%
**46
97%
Alliant Reloder-23
<<locked>>
96%
46615
75%
**97
100%
Alliant Reloder-25
<<locked>>
97%
41162
66%
**18
98%
Alliant Reloder-26 👍
<<locked>>
97%
52794
85%
**71
100%
Hodgdon CFE223
<<locked>>
83%
55564
89%
**76
100%
Hodgdon H380
<<locked>>
84%
55288
89%
**33
100%
Hodgdon H414
<<locked>>
87%
55288
89%
**95
99%
Hodgdon H4350
<<locked>>
94%
55651
89%
**43
99%
[Hodgdon H4831]*
<<locked>>
96%
46485
75%
**25
93%
Hodgdon H4831 SC
<<locked>>
96%
52040
83%
**23
95%
Hodgdon Hybrid 100V
<<locked>>
95%
55970
90%
**49
100%
Hodgdon LVR
<<locked>>
90%
56086
90%
**85
100%
[Hodgdon Retumbo]*
<<locked>>
97%
34098
55%
**31
92%
Hodgdon Superperformance 👍
<<locked>>
90%
55854
90%
**41
99%
Hodgdon VARGET
<<locked>>
86%
56057
90%
**23
100%
IMR 4064
<<locked>>
86%
55608
89%
**03
100%
IMR 4166 Enduron
<<locked>>
86%
55317
89%
**90
99%
IMR 4350
<<locked>>
93%
55985
90%
**43
99%
IMR 4451 Enduron
<<locked>>
88%
55680
89%
**26
99%
IMR 4831
<<locked>>
96%
55825
90%
**69
100%
IMR 4955 Enduron
<<locked>>
97%
52243
84%
**87
95%
IMR 7828 SSC
<<locked>>
97%
51082
82%
**69
95%
Lovex S062
<<locked>>
83%
55825
90%
**94
100%
Lovex S065
<<locked>>
89%
55419
89%
**17
100%
Lovex S070
<<locked>>
91%
56028
90%
**46
99%
Lovex S071
<<locked>>
96%
42699
68%
**52
98%
Norma 204
<<locked>>
92%
55883
90%
**89
98%
Norma MRP
<<locked>>
96%
51372
82%
**18
99%
Norma URP
<<locked>>
92%
55317
89%
**85
100%
Ramshot Big Game
<<locked>>
83%
56086
90%
**62
100%
Ramshot Hunter 👍
<<locked>>
93%
55811
89%
**12
100%
Ramshot Magnum
<<locked>>
97%
47964
77%
**00
97%
ReloadSwiss RS 14
<<locked>>
96%
35650
57%
**96
100%
ReloadSwiss RS 50
<<locked>>
84%
55767
89%
**26
99%
ReloadSwiss RS 60
<<locked>>
89%
55332
89%
**48
100%
ReloadSwiss RS 62 👍
<<locked>>
91%
55100
88%
**99
100%
ReloadSwiss RS 70 👍
<<locked>>
92%
55941
90%
**64
100%
ReloadSwiss RS 76
<<locked>>
97%
39943
64%
**18
95%
Rottweil R 903
<<locked>>
86%
55288
89%
**20
100%
Rottweil R 904
<<locked>>
96%
55666
89%
**53
97%
Rottweil R 905
<<locked>>
97%
54476
87%
**89
98%
Rottweil R 907
<<locked>>
89%
55999
90%
**23
99%
SNPE Vectan SP 11
<<locked>>
85%
55448
89%
**66
100%
SNPE Vectan Tubal 5000
<<locked>>
86%
56072
90%
**08
100%
SNPE Vectan Tubal 7000
<<locked>>
90%
55361
89%
**71
99%
Shooters World Long Rifle
<<locked>>
89%
55419
89%
**17
100%
Shooters World Precision
<<locked>>
83%
55825
90%
**94
100%
Somchem S355
<<locked>>
86%
55216
89%
**10
100%
Somchem S361
<<locked>>
95%
55288
89%
**10
96%
Somchem S365
<<locked>>
94%
55927
90%
**08
100%
Somchem S385
<<locked>>
96%
54926
88%
**62
99%
Vihtavuori N135
<<locked>>
88%
56115
90%
**41
100%
Vihtavuori N150
<<locked>>
91%
55927
90%
**87
100%
Vihtavuori N160
<<locked>>
89%
55593
89%
**40
100%
Vihtavuori N165
<<locked>>
97%
46586
75%
**15
97%
Vihtavuori N550
<<locked>>
89%
55927
90%
**92
100%
Vihtavuori N555
<<locked>>
97%
52765
85%
**82
100%
Vihtavuori N560
<<locked>>
97%
49617
80%
**69
95%
[Vihtavuori N565]*
<<locked>>
97%
42293
68%
**18
93%
Winchester 6.5 StaBALL
<<locked>>
91%
55825
90%
**30
100%
Winchester 760
<<locked>>
87%
55288
89%
**95
99%
Winchester StaBALL HD
<<locked>>
97%
40118
64%
**46
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
49226
79%
**12
100%
[ADI AR 2209]*
<<locked>>
81%
34635
56%
**85
91%
[ADI AR 2213]*
<<locked>>
87%
37173
60%
**67
90%
[ADI AR 2225]*
<<locked>>
94%
31154
50%
**46
90%
Accurate 2700
<<locked>>
81%
47805
77%
**46
97%
[Accurate 3100]*
<<locked>>
81%
31502
51%
**06
94%
Accurate 4350
<<locked>>
81%
41466
66%
**43
99%
[Accurate MAGPRO]*
<<locked>>
92%
42090
67%
**08
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
49864
80%
**38
100%
Alliant Reloder-16
<<locked>>
81%
39131
63%
**30
99%
Alliant Reloder-17
<<locked>>
81%
43976
71%
**44
100%
[Alliant Reloder-19]*
<<locked>>
81%
34693
56%
**92
91%
[Alliant Reloder-22]*
<<locked>>
82%
32169
52%
**69
90%
Alliant Reloder-23
<<locked>>
81%
30037
48%
**26
97%
[Alliant Reloder-25]*
<<locked>>
81%
26803
43%
**15
90%
Alliant Reloder-26
<<locked>>
81%
31966
51%
**25
95%
Hodgdon CFE223
<<locked>>
81%
51793
83%
**20
100%
Hodgdon H380
<<locked>>
81%
50952
82%
**67
100%
Hodgdon H414
<<locked>>
81%
45818
73%
**31
97%
Hodgdon H4350
<<locked>>
81%
38464
62%
**25
95%
[Hodgdon H4831]*
<<locked>>
90%
38450
62%
**54
90%
[Hodgdon H4831 SC]*
<<locked>>
86%
38130
61%
**48
90%
Hodgdon Hybrid 100V
<<locked>>
81%
37275
60%
**38
99%
Hodgdon LVR
<<locked>>
81%
43294
69%
**72
99%
[Hodgdon Retumbo]*
<<locked>>
94%
31154
50%
**46
90%
Hodgdon Superperformance
<<locked>>
81%
41118
66%
**69
96%
Hodgdon VARGET
<<locked>>
81%
48660
78%
**05
100%
IMR 4064
<<locked>>
81%
48240
77%
**89
100%
IMR 4166 Enduron
<<locked>>
81%
47543
76%
**62
98%
IMR 4350
<<locked>>
81%
39987
64%
**64
95%
IMR 4451 Enduron
<<locked>>
81%
45440
73%
**49
97%
IMR 4831
<<locked>>
81%
36071
58%
**15
98%
[IMR 4955 Enduron]*
<<locked>>
85%
36622
59%
**85
90%
[IMR 7828 SSC]*
<<locked>>
86%
37086
59%
**74
90%
Lovex S062
<<locked>>
81%
52243
84%
**44
100%
Lovex S065
<<locked>>
81%
44048
71%
**26
98%
Lovex S070
<<locked>>
81%
42076
67%
**00
97%
[Lovex S071]*
<<locked>>
81%
27615
44%
**98
92%
[Norma 204]*
<<locked>>
81%
39349
63%
**84
93%
[Norma MRP]*
<<locked>>
81%
31952
51%
**88
92%
Norma URP
<<locked>>
81%
40466
65%
**20
98%
Ramshot Big Game
<<locked>>
81%
52489
84%
**10
100%
Ramshot Hunter
<<locked>>
81%
39030
63%
**10
97%
[Ramshot Magnum]*
<<locked>>
84%
31865
51%
**46
90%
ReloadSwiss RS 14
<<locked>>
91%
33286
53%
**50
100%
ReloadSwiss RS 50
<<locked>>
81%
50517
81%
**44
99%
ReloadSwiss RS 60
<<locked>>
81%
42786
69%
**38
100%
ReloadSwiss RS 62
<<locked>>
81%
40422
65%
**43
98%
ReloadSwiss RS 70
<<locked>>
81%
38841
62%
**46
98%
[ReloadSwiss RS 76]*
<<locked>>
89%
31763
51%
**95
90%
Rottweil R 903
<<locked>>
81%
48283
77%
**12
100%
[Rottweil R 904]*
<<locked>>
81%
36114
58%
**82
91%
[Rottweil R 905]*
<<locked>>
81%
33823
54%
**79
91%
Rottweil R 907
<<locked>>
81%
44744
72%
**33
97%
SNPE Vectan SP 11
<<locked>>
81%
48370
78%
**51
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
48820
78%
**10
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
42946
69%
**64
97%
Shooters World Long Rifle
<<locked>>
81%
44048
71%
**26
98%
Shooters World Precision
<<locked>>
81%
52243
84%
**44
100%
Somchem S355
<<locked>>
81%
48182
77%
**02
100%
[Somchem S361]*
<<locked>>
82%
37797
61%
**92
90%
Somchem S365
<<locked>>
81%
36738
59%
**84
100%
[Somchem S385]*
<<locked>>
81%
34824
56%
**79
93%
Vihtavuori N135
<<locked>>
81%
47079
75%
**13
100%
Vihtavuori N150
<<locked>>
81%
41553
67%
**64
100%
Vihtavuori N160
<<locked>>
81%
43468
70%
**46
99%
[Vihtavuori N165]*
<<locked>>
82%
30545
49%
**64
90%
Vihtavuori N550
<<locked>>
81%
44121
71%
**92
99%
Vihtavuori N555
<<locked>>
81%
32924
53%
**92
97%
[Vihtavuori N560]*
<<locked>>
88%
37985
61%
**16
90%
[Vihtavuori N565]*
<<locked>>
92%
36521
59%
**90
90%
Winchester 6.5 StaBALL
<<locked>>
81%
40509
65%
**84
100%
Winchester 760
<<locked>>
81%
45818
73%
**31
97%
Winchester StaBALL HD
<<locked>>
81%
26992
43%
**06
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.

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

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