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Load data for .270 WSM + .277 | 129gr | Barnes LRX BT

Recommended Powder(s):

.270 WSM + .277 | 129gr | Barnes LRX BT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.277 | 129gr | Barnes LRX BT
Manufacturer SKU:
30262
Bullet Weight:
129gr | 8.4g
Bullet Diameter:
0.277" | 7.04mm
Bullet Length:
<<locked>>
Caliber:
.270 WSM load data
Case Length (l3):
2.090" | 53.1mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
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_B537_C269
Last updated:
2026-03-24
Recommended Twist Rate:
1:9 - 1:7

Load data for 178 loads in caliber .270 WSM with .277 | 129gr | Barnes LRX BT bullet and 89 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".

  • Muzzle velocity vs. barrel length

    Every 1 inch additional barrel length increases muzzle velocity by approx. 117.3 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>>
87%
56550
89%
**45
100%
ADI AR 2209
<<locked>>
97%
54824
86%
**07
98%
ADI AR 2213
<<locked>>
97%
48791
76%
**18
95%
Accurate 2700
<<locked>>
88%
57101
89%
**02
99%
Accurate 3100
<<locked>>
97%
47645
75%
**33
99%
Accurate 4064
<<locked>>
86%
56840
89%
**18
100%
Accurate 4350
<<locked>>
93%
57319
90%
**14
100%
[Accurate MAGPRO]*
<<locked>>
97%
46775
73%
**05
92%
Alliant Power Pro 2000-MR
<<locked>>
83%
56681
89%
**79
100%
Alliant Reloder- TS 15.5
<<locked>>
87%
56913
89%
**61
100%
Alliant Reloder-15
<<locked>>
85%
57406
90%
**91
100%
Alliant Reloder-16 👍
<<locked>>
94%
56913
89%
**59
100%
Alliant Reloder-17
<<locked>>
90%
57203
90%
**69
100%
Alliant Reloder-19
<<locked>>
97%
53925
85%
**91
98%
Alliant Reloder-22
<<locked>>
97%
47587
75%
**12
96%
Alliant Reloder-23
<<locked>>
97%
44962
70%
**56
100%
Alliant Reloder-25
<<locked>>
97%
39320
62%
**67
97%
Alliant Reloder-26
<<locked>>
97%
51111
80%
**53
100%
Bofors RP15
<<locked>>
97%
43134
68%
**20
95%
Bofors RP3
<<locked>>
86%
56927
89%
**68
100%
Bofors RP5
<<locked>>
97%
47587
75%
**12
96%
Bofors RP7
<<locked>>
90%
56710
89%
**48
99%
Hodgdon CFE223
<<locked>>
84%
56594
89%
**04
100%
Hodgdon H380
<<locked>>
86%
57145
90%
**81
100%
Hodgdon H414
<<locked>>
89%
56623
89%
**30
99%
Hodgdon H4350
<<locked>>
96%
57203
90%
**77
99%
[Hodgdon H4831]*
<<locked>>
97%
44976
70%
**84
93%
Hodgdon H4831 SC
<<locked>>
97%
51343
80%
**15
95%
Hodgdon Hybrid 100V
<<locked>>
96%
56420
88%
**64
100%
Hodgdon LVR
<<locked>>
91%
56869
89%
**10
100%
Hodgdon Superperformance 👍
<<locked>>
91%
57290
90%
**73
99%
Hodgdon VARGET
<<locked>>
87%
57000
89%
**48
100%
Hodgdon TrailBoss
<<locked>>
97%
34635
54%
**80
100%
IMR 3031
<<locked>>
84%
57319
90%
**38
100%
IMR 4064
<<locked>>
88%
57232
90%
**45
100%
IMR 4166 Enduron
<<locked>>
89%
57130
90%
**38
99%
IMR 4350
<<locked>>
94%
57116
89%
**74
99%
IMR 4451 Enduron
<<locked>>
90%
57392
90%
**64
99%
IMR 4831
<<locked>>
97%
54476
85%
**61
100%
IMR 4895
<<locked>>
84%
57072
89%
**87
100%
IMR 4955 Enduron
<<locked>>
97%
50647
79%
**56
95%
IMR 7828 SSC
<<locked>>
97%
50183
79%
**54
95%
Lovex S062
<<locked>>
86%
56942
89%
**35
100%
Lovex S065
<<locked>>
92%
57435
90%
**58
100%
Lovex S070
<<locked>>
93%
57319
90%
**84
99%
Lovex S071
<<locked>>
97%
39392
62%
**69
97%
Norma 203B
<<locked>>
85%
56608
89%
**74
100%
Norma 204
<<locked>>
94%
57363
90%
**23
98%
Norma MRP
<<locked>>
97%
50459
79%
**07
98%
Norma URP
<<locked>>
94%
57159
90%
**23
100%
Ramshot Big Game
<<locked>>
85%
57334
90%
**97
100%
Ramshot Grand
<<locked>>
97%
53272
83%
**30
97%
Ramshot Hunter 👍
<<locked>>
94%
56985
89%
**33
100%
Ramshot Magnum
<<locked>>
97%
46267
73%
**63
97%
ReloadSwiss RS 14
<<locked>>
96%
35041
55%
**23
100%
ReloadSwiss RS 50
<<locked>>
86%
56913
89%
**61
99%
ReloadSwiss RS 60
<<locked>>
88%
56985
89%
**69
100%
ReloadSwiss RS 62 👍
<<locked>>
93%
57348
90%
**40
100%
ReloadSwiss RS 70 👍
<<locked>>
93%
56565
89%
**79
100%
[ReloadSwiss RS 76]*
<<locked>>
97%
37797
59%
**54
94%
Rottweil R 902
<<locked>>
85%
57174
90%
**22
100%
Rottweil R 903
<<locked>>
88%
56840
89%
**54
100%
Rottweil R 904
<<locked>>
97%
55796
87%
**61
97%
Rottweil R 905
<<locked>>
97%
53127
83%
**74
98%
Rottweil R 907
<<locked>>
90%
56710
89%
**48
99%
SNPE Vectan SP 11
<<locked>>
87%
56637
89%
**91
100%
SNPE Vectan Tubal 5000
<<locked>>
88%
57145
90%
**23
100%
SNPE Vectan Tubal 7000
<<locked>>
92%
57101
89%
**05
99%
Shooters World Long Rifle
<<locked>>
92%
57435
90%
**58
100%
Shooters World Precision
<<locked>>
86%
56942
89%
**35
100%
Somchem S355
<<locked>>
88%
57276
90%
**54
100%
Somchem S361
<<locked>>
96%
56550
89%
**35
96%
Somchem S365
<<locked>>
96%
57188
90%
**30
100%
Somchem S385
<<locked>>
97%
53577
84%
**38
98%
Vihtavuori N133
<<locked>>
84%
56710
89%
**10
100%
Vihtavuori N135
<<locked>>
90%
57000
89%
**69
100%
Vihtavuori N140
<<locked>>
84%
56971
89%
**86
100%
Vihtavuori N150
<<locked>>
93%
56855
89%
**12
100%
Vihtavuori N160
<<locked>>
91%
57116
90%
**81
100%
Vihtavuori N165
<<locked>>
97%
44179
69%
**61
96%
Vihtavuori N540
<<locked>>
84%
56826
89%
**05
100%
Vihtavuori N550
<<locked>>
91%
57188
90%
**17
100%
Vihtavuori N555
<<locked>>
97%
49966
78%
**31
100%
[Vihtavuori N560]*
<<locked>>
97%
48080
75%
**38
94%
[Vihtavuori N565]*
<<locked>>
97%
40176
63%
**58
92%
Winchester 6.5 StaBALL
<<locked>>
92%
56927
89%
**48
100%
Winchester 760
<<locked>>
89%
56623
89%
**30
99%
Winchester StaBALL HD
<<locked>>
97%
39131
61%
**92
100%
Winchester Supreme 780
<<locked>>
97%
56072
88%
**77
98%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
46876
73%
**74
100%
[ADI AR 2209]*
<<locked>>
82%
33112
52%
**25
90%
[ADI AR 2213]*
<<locked>>
89%
37565
59%
**56
90%
Accurate 2700
<<locked>>
81%
45237
71%
**02
96%
[Accurate 3100]*
<<locked>>
81%
26992
42%
**38
91%
Accurate 4064
<<locked>>
81%
49182
77%
**04
100%
Accurate 4350
<<locked>>
81%
37376
59%
**46
98%
[Accurate MAGPRO]*
<<locked>>
94%
41756
65%
**87
90%
Alliant Power Pro 2000-MR
<<locked>>
81%
52330
82%
**07
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
47079
74%
**00
100%
Alliant Reloder-15
<<locked>>
81%
50589
79%
**76
100%
Alliant Reloder-16
<<locked>>
81%
36550
57%
**59
98%
Alliant Reloder-17
<<locked>>
81%
41655
65%
**00
100%
[Alliant Reloder-19]*
<<locked>>
82%
32909
52%
**21
90%
[Alliant Reloder-22]*
<<locked>>
86%
32677
51%
**54
90%
Alliant Reloder-23
<<locked>>
81%
26629
42%
**90
95%
[Alliant Reloder-25]*
<<locked>>
86%
27325
43%
**03
90%
[Alliant Reloder-26]*
<<locked>>
81%
28253
44%
**89
93%
[Bofors RP15]*
<<locked>>
89%
33301
52%
**74
90%
Bofors RP3
<<locked>>
81%
47601
75%
**17
100%
[Bofors RP5]*
<<locked>>
86%
32677
51%
**54
90%
Bofors RP7
<<locked>>
81%
41887
66%
**69
96%
Hodgdon CFE223
<<locked>>
81%
49792
78%
**95
100%
Hodgdon H380
<<locked>>
81%
48022
75%
**30
99%
Hodgdon H414
<<locked>>
81%
43149
68%
**77
97%
[Hodgdon H4350]*
<<locked>>
81%
35737
56%
**51
93%
[Hodgdon H4831]*
<<locked>>
92%
38174
60%
**33
90%
[Hodgdon H4831 SC]*
<<locked>>
88%
38174
60%
**33
90%
Hodgdon Hybrid 100V
<<locked>>
81%
34026
53%
**44
98%
Hodgdon LVR
<<locked>>
81%
40466
63%
**05
98%
Hodgdon Superperformance
<<locked>>
81%
38580
60%
**99
95%
Hodgdon VARGET
<<locked>>
81%
46586
73%
**71
100%
Hodgdon TrailBoss
<<locked>>
81%
27398
43%
**19
100%
IMR 3031
<<locked>>
81%
51880
81%
**53
100%
IMR 4064
<<locked>>
81%
45774
72%
**54
100%
IMR 4166 Enduron
<<locked>>
81%
45368
71%
**22
97%
[IMR 4350]*
<<locked>>
81%
37362
59%
**90
94%
IMR 4451 Enduron
<<locked>>
81%
43410
68%
**12
97%
IMR 4831
<<locked>>
81%
32561
51%
**08
96%
IMR 4895
<<locked>>
81%
51982
81%
**02
100%
[IMR 4955 Enduron]*
<<locked>>
87%
37623
59%
**84
90%
[IMR 7828 SSC]*
<<locked>>
88%
37434
59%
**69
90%
Lovex S062
<<locked>>
81%
49487
78%
**13
100%
Lovex S065
<<locked>>
81%
40727
64%
**49
97%
Lovex S070
<<locked>>
81%
38711
61%
**26
96%
[Lovex S071]*
<<locked>>
85%
26107
41%
**11
90%
Norma 203B
<<locked>>
81%
49835
78%
**59
100%
[Norma 204]*
<<locked>>
81%
36912
58%
**17
92%
[Norma MRP]*
<<locked>>
82%
29733
47%
**98
90%
Norma URP
<<locked>>
81%
37289
58%
**46
98%
Ramshot Big Game
<<locked>>
81%
50444
79%
**82
100%
[Ramshot Grand]*
<<locked>>
87%
36680
57%
**56
90%
Ramshot Hunter
<<locked>>
81%
36303
57%
**23
95%
[Ramshot Magnum]*
<<locked>>
87%
31923
50%
**15
90%
ReloadSwiss RS 14
<<locked>>
81%
27804
44%
**59
100%
ReloadSwiss RS 50
<<locked>>
81%
48037
75%
**00
98%
ReloadSwiss RS 60
<<locked>>
81%
44280
69%
**59
100%
ReloadSwiss RS 62
<<locked>>
81%
37362
59%
**69
97%
ReloadSwiss RS 70
<<locked>>
81%
36448
57%
**79
97%
[ReloadSwiss RS 76]*
<<locked>>
92%
32227
51%
**77
90%
Rottweil R 902
<<locked>>
81%
51184
80%
**23
100%
Rottweil R 903
<<locked>>
81%
44469
70%
**48
100%
[Rottweil R 904]*
<<locked>>
83%
35534
56%
**44
90%
[Rottweil R 905]*
<<locked>>
82%
32126
50%
**08
90%
Rottweil R 907
<<locked>>
81%
41887
66%
**69
96%
SNPE Vectan SP 11
<<locked>>
81%
46093
72%
**07
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
46296
73%
**62
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
40030
63%
**90
96%
Shooters World Long Rifle
<<locked>>
81%
40727
64%
**49
97%
Shooters World Precision
<<locked>>
81%
49487
78%
**13
100%
Somchem S355
<<locked>>
81%
45078
71%
**58
100%
[Somchem S361]*
<<locked>>
84%
37840
59%
**67
90%
Somchem S365
<<locked>>
81%
33620
53%
**97
99%
[Somchem S385]*
<<locked>>
81%
31299
49%
**59
91%
Vihtavuori N133
<<locked>>
81%
51677
81%
**41
100%
Vihtavuori N135
<<locked>>
81%
43932
69%
**69
100%
Vihtavuori N140
<<locked>>
81%
50981
80%
**90
100%
Vihtavuori N150
<<locked>>
81%
38421
60%
**87
100%
Vihtavuori N160
<<locked>>
81%
40524
63%
**79
98%
[Vihtavuori N165]*
<<locked>>
86%
31227
49%
**46
90%
Vihtavuori N540
<<locked>>
81%
51039
80%
**23
100%
Vihtavuori N550
<<locked>>
81%
41002
64%
**25
98%
Vihtavuori N555
<<locked>>
81%
28993
45%
**59
95%
[Vihtavuori N560]*
<<locked>>
90%
37811
59%
**05
90%
[Vihtavuori N565]*
<<locked>>
94%
36390
57%
**66
90%
Winchester 6.5 StaBALL
<<locked>>
81%
38290
60%
**23
99%
Winchester 760
<<locked>>
81%
43149
68%
**77
97%
[Winchester StaBALL HD]*
<<locked>>
81%
23308
37%
**18
92%
[Winchester Supreme 780]*
<<locked>>
82%
32634
51%
**85
90%

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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