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Load data for .270 Weath. Mag. + .277 | 127gr | Lehigh Defense Controlled Chaos

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

.270 Weath. Mag. + .277 | 127gr | Lehigh Defense Controlled Chaos

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.277 | 127gr | Lehigh Defense Controlled Chaos
Manufacturer SKU:
277127CuSP
Bullet Weight:
127gr | 8.2g
Bullet Diameter:
0.277" | 7.04mm
Bullet Length:
1.305" | 33.1mm
Caliber:
.270 Weath. Mag. load data
Case Length (l3):
2.549" | 64.7mm
Cartridge Length (C.O.L.):
3.246" | 82.4mm
Seated Depth:
0.608" | 15.5mm
Shank Seated Depth:
0.423" | 10.8mm
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_B11013_C270
Last updated:
2025-11-05
Recommended Twist Rate:
1:10 - 1:8

Load data for 148 loads in caliber .270 Weath. Mag. with .277 | 127gr | Lehigh Defense Controlled Chaos bullet and 74 powders such as Alliant Reloder-26, Norma URP, 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".

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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 2208
<<locked>>
85%
56608
89%
**71
100%
ADI AR 2209
<<locked>>
96%
56753
89%
**56
98%
ADI AR 2213
<<locked>>
97%
52185
82%
**00
96%
Accurate 2700
<<locked>>
86%
57058
89%
**31
99%
Accurate 3100
<<locked>>
97%
51909
81%
**25
99%
Accurate 4064
<<locked>>
83%
56623
89%
**31
100%
Accurate 4350
<<locked>>
91%
56724
89%
**33
100%
[Accurate MAGPRO]*
<<locked>>
97%
50676
79%
**91
93%
Alliant Reloder- TS 15.5
<<locked>>
85%
57232
90%
**84
100%
Alliant Reloder-16
<<locked>>
92%
56826
89%
**79
100%
Alliant Reloder-17
<<locked>>
87%
56666
89%
**79
100%
Alliant Reloder-19
<<locked>>
97%
56985
89%
**59
98%
Alliant Reloder-22
<<locked>>
97%
51401
81%
**07
97%
Alliant Reloder-23
<<locked>>
97%
48588
76%
**38
100%
Alliant Reloder-25
<<locked>>
97%
41974
66%
**43
98%
Alliant Reloder-26 👍
<<locked>>
97%
55956
88%
**48
100%
Hodgdon CFE223
<<locked>>
83%
57435
90%
**43
100%
Hodgdon H380
<<locked>>
84%
56971
89%
**94
100%
Hodgdon H414
<<locked>>
87%
56420
88%
**43
99%
Hodgdon H4350
<<locked>>
94%
57188
90%
**97
99%
[Hodgdon H4831]*
<<locked>>
97%
48399
76%
**76
94%
Hodgdon H4831 SC
<<locked>>
97%
54781
86%
**00
96%
Hodgdon Hybrid 100V
<<locked>>
94%
57363
90%
**97
100%
Hodgdon LVR
<<locked>>
89%
56884
89%
**33
100%
Hodgdon Superperformance
<<locked>>
89%
57014
89%
**82
99%
Hodgdon VARGET
<<locked>>
86%
57029
89%
**74
100%
Hodgdon TrailBoss
<<locked>>
96%
34534
54%
**06
100%
IMR 4064
<<locked>>
86%
57072
89%
**71
100%
IMR 4166 Enduron
<<locked>>
87%
56768
89%
**61
99%
IMR 4350
<<locked>>
92%
56710
89%
**91
99%
IMR 4451 Enduron
<<locked>>
88%
57058
89%
**91
99%
IMR 4831
<<locked>>
96%
57392
90%
**23
100%
IMR 4955 Enduron
<<locked>>
97%
53679
84%
**35
96%
IMR 7828 SSC
<<locked>>
97%
53316
84%
**40
96%
Lovex S062
<<locked>>
84%
57014
89%
**51
100%
Lovex S065
<<locked>>
90%
56898
89%
**77
100%
Lovex S070
<<locked>>
91%
57363
90%
**04
99%
Lovex S071
<<locked>>
97%
43207
68%
**71
98%
Norma 203B
<<locked>>
83%
57101
89%
**00
100%
Norma 204
<<locked>>
92%
57232
90%
**46
98%
Norma MRP
<<locked>>
97%
54897
86%
**96
99%
Norma URP 👍
<<locked>>
92%
57058
89%
**40
100%
Ramshot Hunter 👍
<<locked>>
92%
56956
89%
**56
100%
Ramshot Magnum
<<locked>>
97%
49719
78%
**54
98%
ReloadSwiss RS 14
<<locked>>
96%
35244
55%
**55
100%
ReloadSwiss RS 50
<<locked>>
84%
57217
90%
**91
100%
ReloadSwiss RS 60
<<locked>>
89%
57130
90%
**12
100%
ReloadSwiss RS 62 👍
<<locked>>
91%
56710
89%
**53
100%
ReloadSwiss RS 70 👍
<<locked>>
92%
57217
90%
**09
100%
ReloadSwiss RS 76
<<locked>>
97%
41075
64%
**46
96%
Rottweil R 903
<<locked>>
86%
57348
90%
**84
100%
Rottweil R 904
<<locked>>
95%
57058
89%
**07
97%
Rottweil R 905
<<locked>>
97%
56260
88%
**46
98%
Rottweil R 907
<<locked>>
89%
56405
88%
**68
99%
SNPE Vectan SP 11
<<locked>>
86%
57217
90%
**20
100%
SNPE Vectan Tubal 5000
<<locked>>
86%
56768
89%
**46
100%
SNPE Vectan Tubal 7000
<<locked>>
90%
57421
90%
**35
99%
Shooters World Long Rifle
<<locked>>
90%
56898
89%
**77
100%
Shooters World Precision
<<locked>>
84%
57014
89%
**51
100%
Somchem S355
<<locked>>
87%
57246
90%
**84
100%
Somchem S361
<<locked>>
94%
56971
89%
**61
96%
Somchem S365
<<locked>>
94%
57087
89%
**50
100%
Somchem S385
<<locked>>
96%
56608
89%
**17
99%
Vihtavuori N135
<<locked>>
88%
56855
89%
**86
100%
Vihtavuori N150
<<locked>>
92%
57290
90%
**41
100%
Vihtavuori N160
<<locked>>
89%
56927
89%
**97
100%
Vihtavuori N165
<<locked>>
97%
47601
75%
**46
97%
Vihtavuori N550
<<locked>>
89%
56884
89%
**33
100%
Vihtavuori N555
<<locked>>
97%
54462
85%
**20
100%
Vihtavuori N560
<<locked>>
97%
51430
81%
**14
95%
[Vihtavuori N565]*
<<locked>>
97%
43468
68%
**43
93%
Winchester 6.5 StaBALL
<<locked>>
90%
56637
89%
**61
100%
Winchester 760
<<locked>>
87%
56420
88%
**43
99%
Winchester StaBALL HD
<<locked>>
97%
43279
68%
**81
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
49719
78%
**49
100%
[ADI AR 2209]*
<<locked>>
81%
34461
54%
**84
91%
[ADI AR 2213]*
<<locked>>
87%
37347
59%
**72
90%
Accurate 2700
<<locked>>
81%
48095
75%
**71
97%
[Accurate 3100]*
<<locked>>
81%
29907
47%
**36
92%
Accurate 4064
<<locked>>
81%
52591
82%
**72
100%
Accurate 4350
<<locked>>
81%
40683
64%
**31
98%
[Accurate MAGPRO]*
<<locked>>
92%
42090
66%
**17
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
50053
78%
**76
100%
Alliant Reloder-16
<<locked>>
81%
39334
62%
**44
99%
Alliant Reloder-17
<<locked>>
81%
44802
70%
**72
100%
[Alliant Reloder-19]*
<<locked>>
81%
34272
54%
**74
91%
[Alliant Reloder-22]*
<<locked>>
84%
32953
52%
**84
90%
Alliant Reloder-23
<<locked>>
81%
28834
45%
**62
96%
[Alliant Reloder-25]*
<<locked>>
83%
27021
42%
**03
90%
Alliant Reloder-26
<<locked>>
81%
31183
49%
**87
95%
Hodgdon CFE223
<<locked>>
81%
53200
83%
**77
100%
Hodgdon H380
<<locked>>
81%
51314
80%
**05
100%
Hodgdon H414
<<locked>>
81%
46572
73%
**66
98%
[Hodgdon H4350]*
<<locked>>
81%
37898
59%
**20
94%
[Hodgdon H4831]*
<<locked>>
90%
38479
60%
**59
90%
[Hodgdon H4831 SC]*
<<locked>>
86%
38479
60%
**59
90%
Hodgdon Hybrid 100V
<<locked>>
81%
37043
58%
**33
99%
Hodgdon LVR
<<locked>>
81%
43366
68%
**87
98%
Hodgdon Superperformance
<<locked>>
81%
41814
66%
**94
96%
Hodgdon VARGET
<<locked>>
81%
49197
77%
**43
100%
Hodgdon TrailBoss
<<locked>>
81%
27688
43%
**55
100%
IMR 4064
<<locked>>
81%
48544
76%
**27
100%
IMR 4166 Enduron
<<locked>>
81%
47630
75%
**97
98%
IMR 4350
<<locked>>
81%
39813
62%
**62
95%
IMR 4451 Enduron
<<locked>>
81%
46021
72%
**77
97%
IMR 4831
<<locked>>
81%
35259
55%
**87
97%
[IMR 4955 Enduron]*
<<locked>>
85%
37260
58%
**97
90%
[IMR 7828 SSC]*
<<locked>>
86%
37420
59%
**85
90%
Lovex S062
<<locked>>
81%
52257
82%
**76
100%
Lovex S065
<<locked>>
81%
43192
68%
**18
98%
Lovex S070
<<locked>>
81%
41582
65%
**08
96%
[Lovex S071]*
<<locked>>
82%
26179
41%
**21
90%
Norma 203B
<<locked>>
81%
53011
83%
**31
100%
[Norma 204]*
<<locked>>
81%
39682
62%
**99
93%
[Norma MRP]*
<<locked>>
81%
31401
49%
**57
91%
Norma URP
<<locked>>
81%
40161
63%
**25
98%
Ramshot Hunter
<<locked>>
81%
39131
61%
**02
96%
[Ramshot Magnum]*
<<locked>>
84%
31444
49%
**18
90%
ReloadSwiss RS 14
<<locked>>
81%
28427
45%
**98
100%
ReloadSwiss RS 50
<<locked>>
81%
51010
80%
**79
99%
ReloadSwiss RS 60
<<locked>>
81%
43381
68%
**63
100%
ReloadSwiss RS 62
<<locked>>
81%
40364
63%
**48
98%
ReloadSwiss RS 70
<<locked>>
81%
39117
61%
**54
98%
[ReloadSwiss RS 76]*
<<locked>>
89%
31792
50%
**80
90%
Rottweil R 903
<<locked>>
81%
47848
75%
**33
100%
[Rottweil R 904]*
<<locked>>
81%
35679
56%
**61
90%
[Rottweil R 905]*
<<locked>>
81%
33127
52%
**54
91%
Rottweil R 907
<<locked>>
81%
44599
70%
**51
96%
SNPE Vectan SP 11
<<locked>>
81%
49211
77%
**86
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
48907
77%
**35
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
42540
67%
**69
97%
Shooters World Long Rifle
<<locked>>
81%
43192
68%
**18
98%
Shooters World Precision
<<locked>>
81%
52257
82%
**76
100%
Somchem S355
<<locked>>
81%
47819
75%
**20
100%
[Somchem S361]*
<<locked>>
82%
37898
59%
**87
90%
Somchem S365
<<locked>>
81%
36579
57%
**72
100%
[Somchem S385]*
<<locked>>
81%
34011
53%
**48
92%
Vihtavuori N135
<<locked>>
81%
46702
73%
**35
100%
Vihtavuori N150
<<locked>>
81%
41133
64%
**66
100%
Vihtavuori N160
<<locked>>
81%
43395
68%
**58
99%
[Vihtavuori N165]*
<<locked>>
84%
31125
49%
**56
90%
Vihtavuori N550
<<locked>>
81%
44150
69%
**04
99%
Vihtavuori N555
<<locked>>
81%
32039
50%
**54
96%
[Vihtavuori N560]*
<<locked>>
88%
38043
60%
**28
90%
[Vihtavuori N565]*
<<locked>>
92%
36709
58%
**82
90%
Winchester 6.5 StaBALL
<<locked>>
81%
40857
64%
**85
100%
Winchester 760
<<locked>>
81%
46572
73%
**66
98%
Winchester StaBALL HD
<<locked>>
81%
25614
40%
**33
95%

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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