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Load data for .270 Win. Ackley Improved + .277 | 180gr | Barnes RNSP

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Norma MRP, Ramshot Grand, Rottweil R 905

.270 Win. Ackley Improved + .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 Win. Ackley Improved load data
Case Length (l3):
2.540" | 64.5mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
70.0 Grains of Water | 4.55 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
72519 psi | 5000 bar
LID:
LID_B551_C272
Last updated:
2026-02-02

Load data for 192 loads in caliber .270 Win. Ackley Improved with .277 | 180gr | Barnes RNSP bullet and 96 powders such as ADI AR 2209, Alliant Reloder-19, Norma MRP, Ramshot Grand, 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".

  • 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 APS 450
<<locked>>
85%
64368
89%
**18
100%
ADI AR 2208
<<locked>>
87%
64150
88%
**25
100%
ADI AR 2209 👍
<<locked>>
97%
64295
89%
**40
100%
ADI AR 2213
<<locked>>
96%
57319
79%
**90
99%
ADI AR 2217
<<locked>>
97%
42728
59%
**44
97%
ADI AR 2225
<<locked>>
97%
37884
52%
**08
98%
Accurate 2700
<<locked>>
87%
64295
89%
**15
100%
Accurate 3100
<<locked>>
97%
58015
80%
**08
100%
Accurate 4064
<<locked>>
84%
64672
89%
**89
100%
Accurate 4350
<<locked>>
91%
65238
90%
**97
100%
Accurate MAGPRO
<<locked>>
97%
57334
79%
**10
98%
Alliant Reloder- TS 15.5
<<locked>>
86%
64817
89%
**41
100%
Alliant Reloder-15
<<locked>>
84%
64484
89%
**54
100%
Alliant Reloder-16
<<locked>>
93%
64150
88%
**23
100%
Alliant Reloder-17
<<locked>>
88%
64440
89%
**26
100%
Alliant Reloder-19 👍
<<locked>>
97%
63454
88%
**26
100%
Alliant Reloder-22
<<locked>>
96%
57188
79%
**90
100%
Alliant Reloder-23
<<locked>>
97%
55463
76%
**21
100%
Alliant Reloder-25
<<locked>>
97%
47543
66%
**69
100%
Alliant Reloder-26
<<locked>>
97%
63425
87%
**95
100%
Baschieri & Pellagri 109
<<locked>>
97%
56376
78%
**15
97%
Bofors RP15
<<locked>>
97%
53432
74%
**38
99%
Bofors RP3
<<locked>>
85%
64919
90%
**38
100%
Bofors RP30
<<locked>>
97%
43787
60%
**10
97%
Bofors RP5
<<locked>>
96%
57188
79%
**90
100%
Bofors RP7
<<locked>>
90%
64237
89%
**54
100%
Hodgdon CFE223
<<locked>>
84%
64353
89%
**90
100%
Hodgdon H1000
<<locked>>
97%
42728
59%
**44
97%
Hodgdon H380
<<locked>>
85%
64600
89%
**64
100%
Hodgdon H414
<<locked>>
88%
64658
89%
**26
100%
Hodgdon H4350
<<locked>>
95%
64194
89%
**77
100%
Hodgdon H4831
<<locked>>
97%
53722
74%
**82
98%
Hodgdon H4831 SC
<<locked>>
96%
60278
83%
**67
99%
Hodgdon Hybrid 100V
<<locked>>
95%
65166
90%
**57
100%
Hodgdon LVR
<<locked>>
90%
65137
90%
**00
100%
Hodgdon Retumbo
<<locked>>
97%
37884
52%
**08
98%
Hodgdon Superperformance
<<locked>>
90%
64513
89%
**59
100%
Hodgdon VARGET
<<locked>>
87%
64730
89%
**38
100%
IMR 3031
<<locked>>
83%
65180
90%
**92
100%
IMR 4064
<<locked>>
87%
64310
89%
**18
100%
IMR 4166 Enduron
<<locked>>
88%
64614
89%
**35
100%
IMR 4350
<<locked>>
93%
65137
90%
**84
100%
IMR 4451 Enduron
<<locked>>
89%
64542
89%
**61
100%
IMR 4831
<<locked>>
97%
64890
89%
**84
100%
IMR 4895
<<locked>>
83%
65035
90%
**67
100%
IMR 4955 Enduron
<<locked>>
97%
58624
81%
**21
99%
IMR 7828 SSC
<<locked>>
97%
60017
83%
**43
100%
[IMR 8133 Enduron]*
<<locked>>
97%
34243
47%
**29
94%
Lovex S062
<<locked>>
85%
65050
90%
**12
100%
Lovex S065
<<locked>>
91%
64716
89%
**48
100%
Lovex S070
<<locked>>
92%
64948
90%
**84
100%
Lovex S071
<<locked>>
97%
48399
67%
**80
100%
Norma 203B
<<locked>>
84%
64701
89%
**54
100%
Norma 204
<<locked>>
92%
64063
88%
**13
100%
Norma 217
<<locked>>
97%
33997
47%
**52
96%
Norma MRP 👍
<<locked>>
97%
61337
85%
**62
100%
Norma URP
<<locked>>
92%
64208
89%
**94
100%
Ramshot Big Game
<<locked>>
83%
64469
89%
**64
100%
Ramshot Grand 👍
<<locked>>
97%
64556
89%
**99
100%
Ramshot Hunter
<<locked>>
93%
64310
89%
**20
100%
Ramshot Magnum
<<locked>>
97%
56043
77%
**61
100%
ReloadSwiss RS 50
<<locked>>
86%
65238
90%
**67
100%
ReloadSwiss RS 60
<<locked>>
86%
65035
90%
**20
100%
ReloadSwiss RS 62
<<locked>>
91%
65122
90%
**20
100%
ReloadSwiss RS 70
<<locked>>
92%
65050
90%
**76
100%
ReloadSwiss RS 76
<<locked>>
97%
46282
64%
**18
100%
ReloadSwiss RS 80
<<locked>>
97%
41930
58%
**13
95%
Rottweil R 902
<<locked>>
84%
64745
89%
**95
100%
Rottweil R 903
<<locked>>
87%
64687
89%
**35
100%
Rottweil R 904
<<locked>>
96%
65006
90%
**07
100%
Rottweil R 905 👍
<<locked>>
97%
63715
88%
**23
100%
Rottweil R 907
<<locked>>
90%
64237
89%
**54
100%
SNPE Vectan SP 11
<<locked>>
86%
64759
89%
**74
100%
SNPE Vectan Tubal 5000
<<locked>>
87%
64832
89%
**10
100%
SNPE Vectan Tubal 7000
<<locked>>
91%
64324
89%
**15
100%
Shooters World Long Rifle
<<locked>>
91%
64716
89%
**48
100%
Shooters World Precision
<<locked>>
85%
65050
90%
**12
100%
Somchem S355
<<locked>>
88%
64875
89%
**31
100%
Somchem S361
<<locked>>
95%
64382
89%
**64
99%
Somchem S365
<<locked>>
94%
64730
89%
**87
100%
Somchem S385
<<locked>>
96%
63077
87%
**84
100%
Vihtavuori N133
<<locked>>
84%
64905
89%
**93
100%
Vihtavuori N135
<<locked>>
89%
64861
89%
**36
100%
Vihtavuori N140
<<locked>>
84%
64614
89%
**52
100%
Vihtavuori N150
<<locked>>
92%
64643
89%
**89
100%
Vihtavuori N160
<<locked>>
90%
65108
90%
**64
100%
Vihtavuori N165
<<locked>>
97%
53925
74%
**59
100%
Vihtavuori N540
<<locked>>
84%
65209
90%
**92
100%
Vihtavuori N550
<<locked>>
89%
64194
89%
**94
100%
Vihtavuori N555
<<locked>>
97%
61728
85%
**94
100%
Vihtavuori N560
<<locked>>
97%
58131
80%
**20
99%
Vihtavuori N565
<<locked>>
97%
49879
69%
**89
98%
Vihtavuori N568
<<locked>>
97%
43018
59%
**10
95%
Winchester 6.5 StaBALL
<<locked>>
91%
64455
89%
**28
100%
Winchester 760
<<locked>>
88%
64658
89%
**26
100%
Winchester StaBALL HD
<<locked>>
97%
52011
72%
**90
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
81%
60104
83%
**72
100%
ADI AR 2208
<<locked>>
81%
54273
75%
**03
100%
ADI AR 2209
<<locked>>
81%
38421
53%
**36
96%
[ADI AR 2213]*
<<locked>>
81%
34461
48%
**67
93%
[ADI AR 2217]*
<<locked>>
85%
29747
41%
**46
90%
[ADI AR 2225]*
<<locked>>
83%
24627
34%
**34
90%
Accurate 2700
<<locked>>
81%
52576
73%
**61
100%
Accurate 3100
<<locked>>
81%
34548
48%
**28
98%
Accurate 4064
<<locked>>
81%
58581
81%
**20
100%
Accurate 4350
<<locked>>
81%
46180
64%
**48
100%
[Accurate MAGPRO]*
<<locked>>
81%
33141
46%
**60
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
55608
77%
**30
100%
Alliant Reloder-15
<<locked>>
81%
59234
82%
**92
100%
Alliant Reloder-16
<<locked>>
81%
44135
61%
**54
100%
Alliant Reloder-17
<<locked>>
81%
51053
70%
**59
100%
Alliant Reloder-19
<<locked>>
81%
38522
53%
**36
97%
Alliant Reloder-22
<<locked>>
81%
34214
47%
**80
95%
Alliant Reloder-23
<<locked>>
81%
32808
45%
**47
100%
Alliant Reloder-25
<<locked>>
81%
28761
40%
**72
96%
Alliant Reloder-26
<<locked>>
81%
35752
49%
**72
99%
[Baschieri & Pellagri 109]*
<<locked>>
83%
37014
51%
**57
90%
[Bofors RP15]*
<<locked>>
81%
32053
44%
**28
94%
Bofors RP3
<<locked>>
81%
56681
78%
**46
100%
[Bofors RP30]*
<<locked>>
83%
27615
38%
**33
90%
Bofors RP5
<<locked>>
81%
34214
47%
**80
95%
Bofors RP7
<<locked>>
81%
48921
67%
**41
99%
Hodgdon CFE223
<<locked>>
81%
59117
82%
**28
100%
[Hodgdon H1000]*
<<locked>>
85%
29747
41%
**46
90%
Hodgdon H380
<<locked>>
81%
56405
78%
**62
100%
Hodgdon H414
<<locked>>
81%
51779
71%
**52
100%
Hodgdon H4350
<<locked>>
81%
42192
58%
**49
98%
[Hodgdon H4831]*
<<locked>>
81%
32634
45%
**85
92%
[Hodgdon H4831 SC]*
<<locked>>
81%
35998
50%
**64
93%
Hodgdon Hybrid 100V
<<locked>>
81%
41669
57%
**43
100%
Hodgdon LVR
<<locked>>
81%
48573
67%
**84
100%
[Hodgdon Retumbo]*
<<locked>>
83%
24627
34%
**34
90%
Hodgdon Superperformance
<<locked>>
81%
47079
65%
**16
99%
Hodgdon VARGET
<<locked>>
81%
53882
74%
**97
100%
IMR 3031
<<locked>>
81%
60742
84%
**39
100%
IMR 4064
<<locked>>
81%
53403
74%
**84
100%
IMR 4166 Enduron
<<locked>>
81%
51967
72%
**70
100%
IMR 4350
<<locked>>
81%
44353
61%
**85
99%
IMR 4451 Enduron
<<locked>>
81%
50241
69%
**70
100%
IMR 4831
<<locked>>
81%
39813
55%
**29
100%
IMR 4895
<<locked>>
81%
60727
84%
**18
100%
[IMR 4955 Enduron]*
<<locked>>
81%
36564
50%
**41
94%
[IMR 7828 SSC]*
<<locked>>
81%
35143
48%
**97
94%
[IMR 8133 Enduron]*
<<locked>>
91%
28761
40%
**82
90%
Lovex S062
<<locked>>
81%
57754
80%
**30
100%
Lovex S065
<<locked>>
81%
47921
66%
**21
100%
Lovex S070
<<locked>>
81%
46499
64%
**21
99%
Lovex S071
<<locked>>
81%
29863
41%
**23
96%
Norma 203B
<<locked>>
81%
58581
81%
**79
100%
Norma 204
<<locked>>
81%
44411
61%
**25
98%
[Norma 217]*
<<locked>>
87%
25005
34%
**87
90%
Norma MRP
<<locked>>
81%
35824
49%
**49
97%
Norma URP
<<locked>>
81%
45426
63%
**38
100%
Ramshot Big Game
<<locked>>
81%
59393
82%
**08
100%
Ramshot Grand
<<locked>>
81%
36347
50%
**43
95%
Ramshot Hunter
<<locked>>
81%
44237
61%
**41
100%
Ramshot Magnum
<<locked>>
81%
31618
44%
**18
95%
ReloadSwiss RS 50
<<locked>>
81%
56347
78%
**52
100%
ReloadSwiss RS 60
<<locked>>
81%
54186
75%
**98
100%
ReloadSwiss RS 62
<<locked>>
81%
45861
63%
**67
100%
ReloadSwiss RS 70
<<locked>>
81%
44077
61%
**84
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
27137
37%
**46
92%
[ReloadSwiss RS 80]*
<<locked>>
89%
31720
44%
**70
90%
Rottweil R 902
<<locked>>
81%
59466
82%
**30
100%
Rottweil R 903
<<locked>>
81%
53664
74%
**03
100%
Rottweil R 904
<<locked>>
81%
40016
55%
**16
96%
Rottweil R 905
<<locked>>
81%
37956
52%
**26
97%
Rottweil R 907
<<locked>>
81%
48921
67%
**41
99%
SNPE Vectan SP 11
<<locked>>
81%
54650
75%
**49
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
53708
74%
**82
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
47152
65%
**85
99%
Shooters World Long Rifle
<<locked>>
81%
47921
66%
**21
100%
Shooters World Precision
<<locked>>
81%
57754
80%
**30
100%
Somchem S355
<<locked>>
81%
53098
73%
**90
100%
Somchem S361
<<locked>>
81%
40524
56%
**06
95%
Somchem S365
<<locked>>
81%
42061
58%
**95
100%
Somchem S385
<<locked>>
81%
38348
53%
**03
97%
Vihtavuori N133
<<locked>>
81%
59538
82%
**41
100%
Vihtavuori N135
<<locked>>
81%
51750
71%
**92
100%
Vihtavuori N140
<<locked>>
81%
59263
82%
**97
100%
Vihtavuori N150
<<locked>>
81%
45818
63%
**52
100%
Vihtavuori N160
<<locked>>
81%
48646
67%
**54
100%
Vihtavuori N165
<<locked>>
81%
32445
45%
**75
95%
Vihtavuori N540
<<locked>>
81%
58929
81%
**20
100%
Vihtavuori N550
<<locked>>
81%
49139
68%
**97
100%
Vihtavuori N555
<<locked>>
81%
36970
51%
**13
100%
[Vihtavuori N560]*
<<locked>>
81%
34301
47%
**93
93%
[Vihtavuori N565]*
<<locked>>
81%
29312
40%
**69
91%
[Vihtavuori N568]*
<<locked>>
89%
33257
46%
**97
90%
Winchester 6.5 StaBALL
<<locked>>
81%
45788
63%
**98
100%
Winchester 760
<<locked>>
81%
51779
71%
**52
100%
Winchester StaBALL HD
<<locked>>
81%
28268
39%
**77
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.

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

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