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Load data for .270 Weath. Mag. + .277 | 180gr | Barnes RNSP

Recommended Powder(s): ADI AR 2213, Accurate MAGPRO, IMR 7828 SSC, ReloadSwiss RS 76, Vihtavuori N560

.270 Weath. Mag. + .277 | 180gr | Barnes RNSP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.277 | 180gr | Barnes RNSP
Manufacturer SKU:
27750
Bullet Weight:
180gr | 11.7g
Bullet Diameter:
0.277" | 7.04mm
Bullet Length:
<<locked>>
Caliber:
.270 Weath. Mag. load data
Case Length (l3):
2.549" | 64.7mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
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_B551_C270
Last updated:
2025-01-01

Load data for 0 loads in caliber .270 Weath. Mag. with .277 | 180gr | Barnes RNSP bullet and 0 powders such as ADI AR 2213, Accurate MAGPRO, IMR 7828 SSC, ReloadSwiss RS 76, Vihtavuori N560. 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".

  • No data yet

  • 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>>
88%
56739
89%
**07
100%
ADI AR 2213 👍
<<locked>>
91%
56869
89%
**56
100%
ADI AR 2217
<<locked>>
97%
50792
80%
**64
99%
[ADI AR 2218]*
<<locked>>
97%
43947
69%
**21
94%
ADI AR 2225
<<locked>>
97%
46079
72%
**41
100%
Accurate 3100
<<locked>>
91%
57406
90%
**57
100%
Accurate MAGPRO 👍
<<locked>>
91%
57246
90%
**72
99%
Alliant Reloder-16
<<locked>>
84%
57145
90%
**00
100%
Alliant Reloder-19
<<locked>>
88%
56971
89%
**13
100%
Alliant Reloder-22
<<locked>>
91%
57029
89%
**49
100%
Alliant Reloder-23
<<locked>>
92%
57261
90%
**87
100%
Alliant Reloder-25
<<locked>>
96%
56811
89%
**56
100%
Alliant Reloder-26
<<locked>>
88%
57159
90%
**66
100%
Alliant Reloder-33
<<locked>>
97%
47326
74%
**74
96%
[Alliant Reloder-50]*
<<locked>>
97%
39769
62%
**30
93%
Baschieri & Pellagri 109
<<locked>>
93%
57072
89%
**13
98%
Bofors RP15
<<locked>>
93%
57087
89%
**49
100%
Bofors RP30
<<locked>>
97%
53621
84%
**30
100%
Bofors RP5
<<locked>>
91%
57029
89%
**49
100%
Hodgdon H1000
<<locked>>
97%
50792
80%
**64
99%
Hodgdon H4350
<<locked>>
86%
56869
89%
**51
100%
Hodgdon H4831
<<locked>>
94%
57305
90%
**03
99%
Hodgdon H4831 SC
<<locked>>
90%
57305
90%
**03
99%
Hodgdon Hybrid 100V
<<locked>>
86%
57145
90%
**18
100%
Hodgdon Retumbo
<<locked>>
97%
46079
72%
**41
100%
Hodgdon TrailBoss
<<locked>>
96%
35621
56%
**27
100%
IMR 4350
<<locked>>
85%
57319
90%
**61
100%
IMR 4831
<<locked>>
88%
57406
90%
**57
100%
IMR 4955 Enduron
<<locked>>
91%
57058
89%
**77
100%
IMR 7828 SSC 👍
<<locked>>
90%
57072
89%
**62
100%
IMR 7977 Enduron
<<locked>>
96%
56855
89%
**38
95%
IMR 8133 Enduron
<<locked>>
97%
41829
66%
**46
98%
Lovex S070
<<locked>>
83%
57043
89%
**48
100%
Lovex S071
<<locked>>
96%
56869
89%
**51
100%
Norma 204
<<locked>>
84%
56724
89%
**87
100%
Norma 217
<<locked>>
97%
42293
66%
**72
100%
Norma MRP
<<locked>>
89%
56782
89%
**56
100%
Norma URP
<<locked>>
83%
56652
89%
**61
100%
Ramshot Grand
<<locked>>
88%
56594
89%
**62
100%
Ramshot Hunter
<<locked>>
84%
57348
90%
**94
100%
Ramshot Magnum
<<locked>>
92%
57348
90%
**33
100%
ReloadSwiss RS 14
<<locked>>
97%
36912
58%
**73
100%
ReloadSwiss RS 70
<<locked>>
83%
56927
89%
**26
100%
ReloadSwiss RS 76 👍
<<locked>>
96%
56579
89%
**38
100%
ReloadSwiss RS 80
<<locked>>
97%
52431
82%
**49
99%
Rottweil R 904
<<locked>>
87%
56913
89%
**74
100%
Rottweil R 905
<<locked>>
88%
56710
89%
**03
100%
Somchem S361
<<locked>>
87%
57406
90%
**51
99%
Somchem S365
<<locked>>
85%
56739
89%
**54
100%
Somchem S385
<<locked>>
88%
57072
89%
**74
100%
Vihtavuori N150
<<locked>>
84%
57116
90%
**69
100%
Vihtavuori N165
<<locked>>
93%
57000
89%
**64
100%
[Vihtavuori N170]*
<<locked>>
97%
47529
74%
**49
94%
Vihtavuori N555
<<locked>>
89%
56942
89%
**84
100%
Vihtavuori N560 👍
<<locked>>
91%
57276
90%
**79
100%
Vihtavuori N565
<<locked>>
95%
56956
89%
**53
100%
Vihtavuori N568
<<locked>>
97%
53374
84%
**56
99%
Vihtavuori N570
<<locked>>
97%
50923
80%
**40
96%
Winchester StaBALL HD
<<locked>>
93%
57043
89%
**89
100%
Winchester Supreme 780
<<locked>>
87%
56637
89%
**71
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
45208
71%
**26
99%
ADI AR 2213
<<locked>>
81%
40466
63%
**70
97%
[ADI AR 2217]*
<<locked>>
81%
30037
47%
**21
93%
[ADI AR 2218]*
<<locked>>
92%
36724
58%
**41
90%
ADI AR 2225
<<locked>>
81%
27398
43%
**92
95%
Accurate 3100
<<locked>>
81%
41002
64%
**08
100%
Accurate MAGPRO
<<locked>>
81%
39856
62%
**67
95%
Alliant Reloder-16
<<locked>>
81%
52040
82%
**28
100%
Alliant Reloder-19
<<locked>>
81%
45121
71%
**23
99%
Alliant Reloder-22
<<locked>>
81%
40959
64%
**80
98%
Alliant Reloder-23
<<locked>>
81%
39552
62%
**25
100%
Alliant Reloder-25
<<locked>>
81%
34084
53%
**62
99%
Alliant Reloder-26
<<locked>>
81%
44483
70%
**79
100%
[Alliant Reloder-33]*
<<locked>>
87%
33779
53%
**79
90%
[Alliant Reloder-50]*
<<locked>>
93%
34563
54%
**11
90%
[Baschieri & Pellagri 109]*
<<locked>>
81%
39624
62%
**88
93%
Bofors RP15
<<locked>>
81%
37985
60%
**11
97%
[Bofors RP30]*
<<locked>>
81%
31633
50%
**93
94%
Bofors RP5
<<locked>>
81%
40959
64%
**80
98%
[Hodgdon H1000]*
<<locked>>
81%
30037
47%
**21
93%
Hodgdon H4350
<<locked>>
81%
48515
76%
**26
100%
Hodgdon H4831
<<locked>>
81%
37985
60%
**69
96%
Hodgdon H4831 SC
<<locked>>
81%
42380
66%
**57
97%
Hodgdon Hybrid 100V
<<locked>>
81%
49182
77%
**16
100%
Hodgdon Retumbo
<<locked>>
81%
27398
43%
**92
95%
Hodgdon TrailBoss
<<locked>>
81%
28689
45%
**93
100%
IMR 4350
<<locked>>
81%
50908
80%
**59
100%
IMR 4831
<<locked>>
81%
46615
73%
**97
100%
IMR 4955 Enduron
<<locked>>
81%
42090
66%
**25
97%
IMR 7828 SSC
<<locked>>
81%
41684
65%
**07
98%
[IMR 7977 Enduron]*
<<locked>>
87%
42206
66%
**88
90%
[IMR 8133 Enduron]*
<<locked>>
82%
25976
41%
**49
90%
Lovex S070
<<locked>>
81%
53098
83%
**92
100%
Lovex S071
<<locked>>
81%
35389
55%
**97
99%
Norma 204
<<locked>>
81%
51880
81%
**18
100%
[Norma 217]*
<<locked>>
81%
24932
39%
**39
92%
Norma MRP
<<locked>>
81%
42975
67%
**36
100%
Norma URP
<<locked>>
81%
52663
83%
**08
100%
Ramshot Grand
<<locked>>
81%
43598
68%
**62
98%
Ramshot Hunter
<<locked>>
81%
51677
81%
**18
100%
Ramshot Magnum
<<locked>>
81%
38290
60%
**25
99%
ReloadSwiss RS 14
<<locked>>
81%
29341
46%
**29
100%
ReloadSwiss RS 70
<<locked>>
81%
52663
83%
**74
100%
ReloadSwiss RS 76
<<locked>>
81%
32343
51%
**69
98%
[ReloadSwiss RS 80]*
<<locked>>
81%
29341
46%
**60
90%
Rottweil R 904
<<locked>>
81%
46151
72%
**97
98%
Rottweil R 905
<<locked>>
81%
44483
70%
**10
99%
Somchem S361
<<locked>>
81%
47007
74%
**97
98%
Somchem S365
<<locked>>
81%
50140
79%
**62
100%
Somchem S385
<<locked>>
81%
45179
71%
**90
100%
Vihtavuori N150
<<locked>>
81%
52301
82%
**03
100%
Vihtavuori N165
<<locked>>
81%
38058
60%
**49
98%
[Vihtavuori N170]*
<<locked>>
89%
37608
59%
**52
90%
Vihtavuori N555
<<locked>>
81%
44179
69%
**97
100%
Vihtavuori N560
<<locked>>
81%
41104
64%
**00
97%
Vihtavuori N565
<<locked>>
81%
35636
56%
**65
95%
[Vihtavuori N568]*
<<locked>>
81%
30777
48%
**83
91%
[Vihtavuori N570]*
<<locked>>
86%
34679
54%
**05
90%
Winchester StaBALL HD
<<locked>>
81%
36811
58%
**77
100%
Winchester Supreme 780
<<locked>>
81%
44933
70%
**90
99%

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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