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Load data for .270 Weath. Mag. + .277 | 150gr | Winchester Powerpoint

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Recommended Powder(s): Alliant Reloder-19, Alliant Reloder-22, Norma MRP, Ramshot Magnum, Rottweil R 905

.270 Weath. Mag. + .277 | 150gr | Winchester Powerpoint

Load Specifications

Bullet:
.277 | 150gr | Winchester Powerpoint
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.277" | 7.04mm
Bullet Length:
1.000" | 25.4mm
Caliber:
.270 Weath. Mag. load data
Case Length (l3):
2.549" | 64.7mm
Cartridge Length (C.O.L.):
3.246" | 82.4mm
Seated Depth:
0.303" | 7.7mm
Shank Seated Depth:
0.303" | 7.7mm
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_B6621_C270
Last updated:
2025-01-01

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

Load data for 126 loads in caliber .270 Weath. Mag. with .277 | 150gr | Winchester Powerpoint bullet and 63 powders such as Alliant Reloder-19, Alliant Reloder-22, Norma MRP, Ramshot Magnum, Rottweil R 905. 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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    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%
56985
89%
**59
100%
ADI AR 2213
<<locked>>
94%
56753
89%
**95
99%
ADI AR 2217
<<locked>>
97%
46296
73%
**05
97%
ADI AR 2225
<<locked>>
97%
41771
65%
**66
99%
Accurate 3100
<<locked>>
93%
56811
89%
**97
100%
Accurate 4350
<<locked>>
85%
56826
89%
**17
100%
Accurate MAGPRO
<<locked>>
94%
57406
90%
**15
98%
Alliant Reloder-16
<<locked>>
86%
56898
89%
**59
100%
Alliant Reloder-19 👍
<<locked>>
91%
57130
90%
**63
100%
Alliant Reloder-22 👍
<<locked>>
94%
56855
89%
**95
100%
Alliant Reloder-23
<<locked>>
95%
57305
90%
**49
100%
Alliant Reloder-25
<<locked>>
97%
52170
82%
**36
100%
Alliant Reloder-26
<<locked>>
90%
56478
89%
**22
100%
[Alliant Reloder-33]*
<<locked>>
97%
43047
67%
**95
92%
Hodgdon H1000
<<locked>>
97%
46296
73%
**05
97%
Hodgdon H4350
<<locked>>
88%
56985
89%
**04
100%
Hodgdon H4831
<<locked>>
96%
57305
90%
**49
98%
Hodgdon H4831 SC
<<locked>>
92%
56739
89%
**30
98%
Hodgdon Hybrid 100V
<<locked>>
88%
56666
89%
**74
100%
Hodgdon LVR
<<locked>>
84%
57232
90%
**27
100%
Hodgdon Retumbo
<<locked>>
97%
41771
65%
**66
99%
Hodgdon Superperformance
<<locked>>
84%
56985
89%
**76
100%
Hodgdon TrailBoss
<<locked>>
96%
35462
56%
**98
100%
IMR 4350
<<locked>>
87%
57203
90%
**00
100%
IMR 4451 Enduron
<<locked>>
83%
57246
90%
**90
100%
IMR 4831
<<locked>>
90%
57159
90%
**00
100%
IMR 4955 Enduron
<<locked>>
93%
57072
89%
**07
98%
IMR 7828 SSC
<<locked>>
92%
56536
89%
**09
99%
[IMR 7977 Enduron]*
<<locked>>
97%
54317
85%
**08
92%
[IMR 8133 Enduron]*
<<locked>>
97%
37565
59%
**64
94%
Lovex S065
<<locked>>
84%
56826
89%
**71
100%
Lovex S070
<<locked>>
86%
57348
90%
**97
100%
Lovex S071
<<locked>>
97%
53563
84%
**48
100%
Norma 204
<<locked>>
86%
56681
89%
**30
99%
Norma 217
<<locked>>
97%
37637
59%
**97
97%
Norma MRP 👍
<<locked>>
92%
57363
90%
**18
100%
Norma URP
<<locked>>
86%
56898
89%
**13
100%
Ramshot Hunter
<<locked>>
87%
57188
90%
**53
100%
Ramshot Magnum 👍
<<locked>>
94%
57261
90%
**79
100%
ReloadSwiss RS 14
<<locked>>
96%
36361
57%
**44
100%
ReloadSwiss RS 62
<<locked>>
85%
56405
88%
**30
100%
ReloadSwiss RS 70
<<locked>>
86%
57334
90%
**95
100%
ReloadSwiss RS 76
<<locked>>
97%
51764
81%
**09
100%
ReloadSwiss RS 80
<<locked>>
97%
47181
74%
**81
96%
Rottweil R 904
<<locked>>
90%
56710
89%
**04
99%
Rottweil R 905 👍
<<locked>>
91%
57246
90%
**63
100%
Rottweil R 907
<<locked>>
84%
56927
89%
**84
100%
SNPE Vectan Tubal 7000
<<locked>>
85%
57319
90%
**48
100%
Shooters World Long Rifle
<<locked>>
84%
56826
89%
**71
100%
Somchem S361
<<locked>>
89%
57261
90%
**84
98%
Somchem S365
<<locked>>
87%
56884
89%
**17
100%
Somchem S385
<<locked>>
91%
56594
89%
**07
100%
Vihtavuori N150
<<locked>>
86%
56768
89%
**15
100%
Vihtavuori N160
<<locked>>
84%
56782
89%
**84
100%
Vihtavuori N165
<<locked>>
96%
57435
90%
**10
100%
Vihtavuori N550
<<locked>>
83%
56855
89%
**20
100%
Vihtavuori N555
<<locked>>
92%
56913
89%
**43
100%
Vihtavuori N560
<<locked>>
93%
56942
89%
**15
99%
Vihtavuori N565
<<locked>>
97%
54911
86%
**66
98%
Vihtavuori N568
<<locked>>
97%
48225
76%
**97
96%
[Vihtavuori N570]*
<<locked>>
97%
45934
72%
**74
93%
Winchester 6.5 StaBALL
<<locked>>
85%
56797
89%
**48
100%
Winchester StaBALL HD
<<locked>>
96%
56797
89%
**48
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
41408
65%
**74
97%
[ADI AR 2213]*
<<locked>>
81%
37173
58%
**08
94%
[ADI AR 2217]*
<<locked>>
85%
31357
49%
**38
90%
[ADI AR 2225]*
<<locked>>
82%
25976
41%
**13
90%
Accurate 3100
<<locked>>
81%
37173
58%
**46
98%
Accurate 4350
<<locked>>
81%
49705
78%
**95
100%
[Accurate MAGPRO]*
<<locked>>
81%
36129
57%
**89
91%
Alliant Reloder-16
<<locked>>
81%
47819
75%
**08
100%
Alliant Reloder-19
<<locked>>
81%
41365
65%
**71
97%
Alliant Reloder-22
<<locked>>
81%
37318
58%
**12
95%
Alliant Reloder-23
<<locked>>
81%
35824
56%
**72
100%
Alliant Reloder-25
<<locked>>
81%
31082
49%
**87
97%
Alliant Reloder-26
<<locked>>
81%
39827
62%
**26
100%
[Alliant Reloder-33]*
<<locked>>
95%
39421
62%
**17
90%
[Hodgdon H1000]*
<<locked>>
85%
31357
49%
**38
90%
Hodgdon H4350
<<locked>>
81%
44991
71%
**97
99%
[Hodgdon H4831]*
<<locked>>
81%
34940
55%
**00
92%
[Hodgdon H4831 SC]*
<<locked>>
81%
38885
61%
**02
94%
Hodgdon Hybrid 100V
<<locked>>
81%
44860
70%
**87
100%
Hodgdon LVR
<<locked>>
81%
51924
81%
**41
100%
[Hodgdon Retumbo]*
<<locked>>
82%
25976
41%
**13
90%
Hodgdon Superperformance
<<locked>>
81%
51416
81%
**81
100%
Hodgdon TrailBoss
<<locked>>
81%
28355
44%
**44
100%
IMR 4350
<<locked>>
81%
47282
74%
**33
99%
IMR 4451 Enduron
<<locked>>
81%
53592
84%
**31
100%
IMR 4831
<<locked>>
81%
43163
68%
**67
100%
[IMR 4955 Enduron]*
<<locked>>
81%
38798
61%
**66
94%
[IMR 7828 SSC]*
<<locked>>
81%
38072
60%
**38
94%
[IMR 7977 Enduron]*
<<locked>>
94%
49951
78%
**36
90%
[IMR 8133 Enduron]*
<<locked>>
90%
30298
47%
**61
90%
Lovex S065
<<locked>>
81%
50894
80%
**72
100%
Lovex S070
<<locked>>
81%
49298
77%
**72
100%
Lovex S071
<<locked>>
81%
32053
50%
**18
96%
Norma 204
<<locked>>
81%
47863
75%
**82
98%
[Norma 217]*
<<locked>>
86%
26266
41%
**59
90%
Norma MRP
<<locked>>
81%
39204
61%
**90
98%
Norma URP
<<locked>>
81%
48544
76%
**89
100%
Ramshot Hunter
<<locked>>
81%
47572
75%
**89
100%
Ramshot Magnum
<<locked>>
81%
34461
54%
**46
95%
ReloadSwiss RS 14
<<locked>>
81%
29167
46%
**90
100%
ReloadSwiss RS 62
<<locked>>
81%
49835
78%
**25
100%
ReloadSwiss RS 70
<<locked>>
81%
48138
75%
**51
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
29327
46%
**57
93%
[ReloadSwiss RS 80]*
<<locked>>
88%
33576
53%
**66
90%
Rottweil R 904
<<locked>>
81%
42685
67%
**54
96%
Rottweil R 905
<<locked>>
81%
41017
64%
**61
97%
Rottweil R 907
<<locked>>
81%
52330
82%
**08
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
49893
78%
**23
100%
Shooters World Long Rifle
<<locked>>
81%
50894
80%
**72
100%
Somchem S361
<<locked>>
81%
43656
68%
**48
95%
Somchem S365
<<locked>>
81%
45600
71%
**40
100%
Somchem S385
<<locked>>
81%
41495
65%
**44
98%
Vihtavuori N150
<<locked>>
81%
48602
76%
**90
100%
Vihtavuori N160
<<locked>>
81%
52170
82%
**15
100%
Vihtavuori N165
<<locked>>
81%
34766
54%
**84
95%
Vihtavuori N550
<<locked>>
81%
53084
83%
**64
100%
Vihtavuori N555
<<locked>>
81%
40219
63%
**57
100%
[Vihtavuori N560]*
<<locked>>
81%
37420
59%
**31
93%
[Vihtavuori N565]*
<<locked>>
81%
32184
50%
**80
91%
[Vihtavuori N568]*
<<locked>>
87%
34505
54%
**82
90%
[Vihtavuori N570]*
<<locked>>
93%
40263
63%
**43
90%
Winchester 6.5 StaBALL
<<locked>>
81%
49400
77%
**40
100%
Winchester StaBALL HD
<<locked>>
81%
32010
50%
**95
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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