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Load data for .270 Win. Ackley Improved + .277 | 129gr | Peregrine VLR-5

Recommended Powder(s): Alliant Reloder-17, Hodgdon H380, Hodgdon LVR, ReloadSwiss RS 50, Vihtavuori N550

.270 Win. Ackley Improved + .277 | 129gr | Peregrine VLR-5

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.277 | 129gr | Peregrine VLR-5
Bullet Weight:
129gr | 8.4g
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_B8066_C272
Last updated:
2026-02-01
Recommended Twist Rate:
1:9 - 1:8

Load data for 228 loads in caliber .270 Win. Ackley Improved with .277 | 129gr | Peregrine VLR-5 bullet and 114 powders such as Alliant Reloder-17, Hodgdon H380, Hodgdon LVR, ReloadSwiss RS 50, Vihtavuori N550. 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 APS 450
<<locked>>
86%
64556
89%
**72
101%
ADI AR 2206H
<<locked>>
89%
65238
90%
**10
100%
ADI AR 2208
<<locked>>
94%
64803
89%
**94
100%
ADI AR 2209
<<locked>>
97%
48660
67%
**17
95%
Accurate 2015
<<locked>>
86%
65238
90%
**82
100%
Accurate 2200
<<locked>>
87%
64701
89%
**74
100%
Accurate 2495
<<locked>>
87%
64252
89%
**31
100%
Accurate 2520
<<locked>>
87%
64963
90%
**71
100%
Accurate 2700
<<locked>>
95%
64281
89%
**31
99%
Accurate 3100
<<locked>>
97%
41336
57%
**49
96%
Accurate 4064
<<locked>>
93%
64179
89%
**51
100%
Accurate 4350
<<locked>>
97%
57667
80%
**61
100%
Alliant AR-Comp
<<locked>>
87%
64542
89%
**09
100%
Alliant Power Pro 2000-MR
<<locked>>
91%
65195
90%
**45
100%
Alliant Reloder- TS 15.5
<<locked>>
94%
64992
90%
**04
100%
Alliant Reloder-10x
<<locked>>
83%
65122
90%
**92
100%
Alliant Reloder-15
<<locked>>
92%
65151
90%
**30
100%
Alliant Reloder-16
<<locked>>
97%
54404
75%
**58
100%
Alliant Reloder-17 👍
<<locked>>
97%
64934
90%
**22
100%
Alliant Reloder-19
<<locked>>
97%
47747
66%
**97
95%
[Alliant Reloder-22]*
<<locked>>
97%
41321
57%
**12
93%
Alliant Reloder-23
<<locked>>
97%
39668
55%
**95
99%
[Alliant Reloder-25]*
<<locked>>
97%
34693
48%
**61
93%
Alliant Reloder-26
<<locked>>
97%
43758
60%
**43
98%
Baschieri & Pellagri 107
<<locked>>
89%
64730
89%
**23
100%
Bofors RP3
<<locked>>
93%
64585
89%
**04
100%
[Bofors RP5]*
<<locked>>
97%
41321
57%
**12
93%
Bofors RP7
<<locked>>
97%
63034
87%
**68
99%
Hodgdon BL-C2
<<locked>>
87%
65224
90%
**14
100%
Hodgdon Benchmark
<<locked>>
87%
64905
89%
**28
100%
Hodgdon CFE223
<<locked>>
91%
64484
89%
**56
100%
Hodgdon H322
<<locked>>
85%
64513
89%
**38
100%
Hodgdon H380 👍
<<locked>>
93%
65006
90%
**20
100%
Hodgdon H414
<<locked>>
96%
64585
89%
**69
99%
Hodgdon H4350
<<locked>>
97%
53113
73%
**40
97%
Hodgdon H4895
<<locked>>
89%
64948
90%
**04
100%
Hodgdon Hybrid 100V
<<locked>>
97%
51242
71%
**30
100%
Hodgdon LVR 👍
<<locked>>
97%
61017
84%
**07
100%
Hodgdon Superperformance
<<locked>>
97%
60901
84%
**50
99%
Hodgdon VARGET
<<locked>>
94%
64266
89%
**81
100%
Hodgdon TrailBoss
<<locked>>
96%
33895
47%
**01
100%
IMR 3031
<<locked>>
91%
64861
89%
**77
100%
IMR 4064
<<locked>>
95%
64948
90%
**87
100%
IMR 4166 Enduron
<<locked>>
96%
64730
89%
**71
99%
IMR 4198
<<locked>>
83%
64788
89%
**43
100%
IMR 4350
<<locked>>
97%
55898
77%
**89
98%
IMR 4451 Enduron
<<locked>>
97%
64934
90%
**97
99%
IMR 4831
<<locked>>
97%
48428
67%
**90
99%
IMR 4895
<<locked>>
91%
64527
89%
**33
100%
[IMR 4955 Enduron]*
<<locked>>
97%
45310
62%
**82
92%
IMR 8208 XBR
<<locked>>
88%
64672
89%
**64
100%
Lovex D073.6
<<locked>>
88%
64324
89%
**68
100%
Lovex S060
<<locked>>
89%
64484
89%
**38
100%
Lovex S062
<<locked>>
93%
65021
90%
**77
100%
Lovex S065
<<locked>>
97%
60843
84%
**38
100%
Lovex S070
<<locked>>
96%
57348
79%
**12
99%
[Lovex S071]*
<<locked>>
97%
34258
47%
**92
93%
Norma 201
<<locked>>
90%
64948
90%
**64
100%
Norma 202
<<locked>>
89%
64672
89%
**51
100%
Norma 203B
<<locked>>
92%
65253
90%
**23
100%
Norma 204
<<locked>>
97%
56826
78%
**35
97%
Norma MRP
<<locked>>
97%
43627
60%
**97
95%
Norma URP
<<locked>>
96%
55680
77%
**31
100%
Ramshot Big Game
<<locked>>
92%
64977
90%
**36
100%
[Ramshot Grand]*
<<locked>>
97%
46485
64%
**04
92%
Ramshot Hunter
<<locked>>
97%
55288
76%
**45
99%
[Ramshot Magnum]*
<<locked>>
97%
40422
56%
**59
93%
Ramshot TAC
<<locked>>
87%
65195
90%
**00
100%
Ramshot Wild Boar
<<locked>>
87%
64252
89%
**00
100%
Ramshot X-Terminator
<<locked>>
85%
64774
89%
**58
100%
ReloadSwiss RS 14
<<locked>>
95%
34316
47%
**44
100%
ReloadSwiss RS 40
<<locked>>
84%
64397
89%
**48
100%
ReloadSwiss RS 50 👍
<<locked>>
93%
64919
90%
**00
100%
ReloadSwiss RS 52
<<locked>>
89%
64571
89%
**79
100%
ReloadSwiss RS 60
<<locked>>
95%
64107
88%
**05
100%
ReloadSwiss RS 62
<<locked>>
96%
56869
78%
**71
100%
ReloadSwiss RS 70
<<locked>>
97%
56463
78%
**14
100%
Rottweil R 901
<<locked>>
87%
64397
89%
**22
100%
Rottweil R 902
<<locked>>
91%
64078
88%
**41
100%
Rottweil R 903
<<locked>>
95%
64455
89%
**00
100%
[Rottweil R 904]*
<<locked>>
97%
49980
69%
**81
94%
Rottweil R 905
<<locked>>
97%
46847
65%
**87
95%
Rottweil R 907
<<locked>>
97%
63034
87%
**68
99%
SNPE Vectan SP 11
<<locked>>
94%
64179
88%
**30
100%
SNPE Vectan SP 7
<<locked>>
88%
64658
89%
**84
100%
SNPE Vectan SP 9
<<locked>>
90%
64455
89%
**91
100%
SNPE Vectan Tubal 3000
<<locked>>
89%
64934
90%
**79
100%
SNPE Vectan Tubal 5000
<<locked>>
95%
65166
90%
**69
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
60336
83%
**79
99%
Shooters World Long Rifle
<<locked>>
97%
60843
84%
**38
100%
Shooters World Match Rifle
<<locked>>
88%
64324
89%
**68
100%
Shooters World Precision
<<locked>>
93%
65021
90%
**77
100%
Somchem S321
<<locked>>
85%
64774
89%
**81
100%
Somchem S335
<<locked>>
89%
64469
89%
**72
100%
Somchem S341
<<locked>>
88%
64992
90%
**84
100%
Somchem S355
<<locked>>
96%
65151
90%
**07
100%
[Somchem S361]*
<<locked>>
97%
51750
71%
**77
93%
Somchem S365
<<locked>>
97%
50981
70%
**89
100%
Somchem S385
<<locked>>
97%
46934
65%
**61
96%
Vihtavuori N130
<<locked>>
86%
64716
89%
**40
100%
Vihtavuori N133
<<locked>>
92%
64905
89%
**53
100%
Vihtavuori N135
<<locked>>
97%
63643
88%
**92
100%
Vihtavuori N140
<<locked>>
92%
64963
90%
**22
100%
Vihtavuori N150
<<locked>>
97%
56724
78%
**46
100%
Vihtavuori N160
<<locked>>
97%
62134
86%
**81
100%
[Vihtavuori N165]*
<<locked>>
96%
38914
54%
**74
92%
Vihtavuori N530
<<locked>>
86%
64977
90%
**77
100%
Vihtavuori N540
<<locked>>
92%
65253
90%
**61
100%
Vihtavuori N550 👍
<<locked>>
97%
62236
86%
**23
100%
Vihtavuori N555
<<locked>>
96%
43279
60%
**54
99%
Winchester 6.5 StaBALL
<<locked>>
97%
59059
81%
**18
100%
Winchester 748
<<locked>>
85%
65079
90%
**07
100%
Winchester 760
<<locked>>
96%
64585
89%
**69
99%
Winchester StaBALL HD
<<locked>>
97%
35302
49%
**92
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
81%
59263
82%
**90
100%
ADI AR 2206H
<<locked>>
81%
50444
70%
**94
100%
ADI AR 2208
<<locked>>
81%
42888
59%
**33
98%
[ADI AR 2209]*
<<locked>>
89%
37173
51%
**61
90%
Accurate 2015
<<locked>>
81%
56637
78%
**71
100%
Accurate 2200
<<locked>>
81%
52460
72%
**00
99%
Accurate 2495
<<locked>>
81%
52547
72%
**74
100%
Accurate 2520
<<locked>>
81%
53388
74%
**13
100%
[Accurate 2700]*
<<locked>>
81%
41307
57%
**48
94%
[Accurate 3100]*
<<locked>>
86%
28355
39%
**38
90%
Accurate 4064
<<locked>>
81%
44367
61%
**66
100%
Accurate 4350
<<locked>>
81%
33214
46%
**85
95%
Alliant AR-Comp
<<locked>>
81%
53882
74%
**74
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
46485
64%
**40
99%
Alliant Reloder- TS 15.5
<<locked>>
81%
42917
59%
**59
100%
Alliant Reloder-10x
<<locked>>
81%
60829
84%
**36
100%
Alliant Reloder-15
<<locked>>
81%
45992
63%
**31
99%
Alliant Reloder-16
<<locked>>
81%
33127
46%
**98
95%
Alliant Reloder-17
<<locked>>
81%
37173
51%
**33
98%
[Alliant Reloder-19]*
<<locked>>
88%
36158
50%
**41
90%
[Alliant Reloder-22]*
<<locked>>
92%
35969
50%
**84
90%
[Alliant Reloder-23]*
<<locked>>
81%
23931
33%
**23
91%
[Alliant Reloder-25]*
<<locked>>
92%
29776
41%
**10
90%
[Alliant Reloder-26]*
<<locked>>
84%
28036
39%
**10
90%
Baschieri & Pellagri 107
<<locked>>
81%
50357
69%
**04
99%
Bofors RP3
<<locked>>
81%
42859
59%
**69
100%
[Bofors RP5]*
<<locked>>
92%
35969
50%
**84
90%
[Bofors RP7]*
<<locked>>
81%
38000
52%
**15
93%
Hodgdon BL-C2
<<locked>>
81%
53040
73%
**46
100%
Hodgdon Benchmark
<<locked>>
81%
53969
74%
**77
100%
Hodgdon CFE223
<<locked>>
81%
44773
62%
**35
99%
Hodgdon H322
<<locked>>
81%
56014
77%
**27
100%
Hodgdon H380
<<locked>>
81%
43265
60%
**69
98%
[Hodgdon H414]*
<<locked>>
81%
38464
53%
**10
94%
[Hodgdon H4350]*
<<locked>>
81%
32750
45%
**10
90%
Hodgdon H4895
<<locked>>
81%
50952
70%
**97
100%
Hodgdon Hybrid 100V
<<locked>>
81%
30516
42%
**90
96%
Hodgdon LVR
<<locked>>
81%
36260
50%
**44
95%
[Hodgdon Superperformance]*
<<locked>>
81%
34664
48%
**31
91%
Hodgdon VARGET
<<locked>>
81%
42467
59%
**26
98%
Hodgdon TrailBoss
<<locked>>
81%
27340
38%
**60
100%
IMR 3031
<<locked>>
81%
46586
64%
**18
100%
IMR 4064
<<locked>>
81%
41945
58%
**03
98%
IMR 4166 Enduron
<<locked>>
81%
41466
57%
**67
95%
IMR 4198
<<locked>>
81%
60307
83%
**90
100%
[IMR 4350]*
<<locked>>
81%
33823
47%
**36
91%
[IMR 4451 Enduron]*
<<locked>>
81%
39653
55%
**57
94%
[IMR 4831]*
<<locked>>
81%
29066
40%
**57
93%
IMR 4895
<<locked>>
81%
47094
65%
**58
100%
[IMR 4955 Enduron]*
<<locked>>
94%
41481
57%
**07
90%
IMR 8208 XBR
<<locked>>
81%
52736
73%
**94
100%
Lovex D073.6
<<locked>>
81%
50357
69%
**74
100%
Lovex S060
<<locked>>
81%
50111
69%
**22
100%
Lovex S062
<<locked>>
81%
45165
62%
**69
100%
Lovex S065
<<locked>>
81%
36999
51%
**05
95%
[Lovex S070]*
<<locked>>
81%
35302
49%
**75
93%
[Lovex S071]*
<<locked>>
91%
28355
39%
**38
90%
Norma 201
<<locked>>
81%
49313
68%
**38
100%
Norma 202
<<locked>>
81%
49835
69%
**44
100%
Norma 203B
<<locked>>
81%
45353
63%
**18
99%
[Norma 204]*
<<locked>>
84%
36419
50%
**31
90%
[Norma MRP]*
<<locked>>
88%
33112
46%
**28
90%
Norma URP
<<locked>>
81%
33518
46%
**89
95%
Ramshot Big Game
<<locked>>
81%
45136
62%
**31
99%
[Ramshot Grand]*
<<locked>>
93%
40930
56%
**82
90%
[Ramshot Hunter]*
<<locked>>
81%
32721
45%
**66
92%
[Ramshot Magnum]*
<<locked>>
93%
35462
49%
**38
90%
Ramshot TAC
<<locked>>
81%
52562
72%
**10
99%
Ramshot Wild Boar
<<locked>>
81%
52446
72%
**30
100%
Ramshot X-Terminator
<<locked>>
81%
56782
78%
**53
100%
ReloadSwiss RS 14
<<locked>>
81%
27775
38%
**03
100%
ReloadSwiss RS 40
<<locked>>
81%
59190
82%
**76
100%
ReloadSwiss RS 50
<<locked>>
81%
43743
60%
**53
96%
ReloadSwiss RS 52
<<locked>>
81%
49443
68%
**46
99%
ReloadSwiss RS 60
<<locked>>
81%
39537
55%
**99
100%
[ReloadSwiss RS 62]*
<<locked>>
81%
32866
45%
**95
94%
[ReloadSwiss RS 70]*
<<locked>>
81%
32706
45%
**92
93%
Rottweil R 901
<<locked>>
81%
53606
74%
**71
100%
Rottweil R 902
<<locked>>
81%
46833
65%
**85
100%
Rottweil R 903
<<locked>>
81%
40466
56%
**07
99%
[Rottweil R 904]*
<<locked>>
89%
39552
55%
**77
90%
[Rottweil R 905]*
<<locked>>
88%
35012
48%
**25
90%
[Rottweil R 907]*
<<locked>>
81%
38000
52%
**15
93%
SNPE Vectan SP 11
<<locked>>
81%
41539
57%
**62
99%
SNPE Vectan SP 7
<<locked>>
81%
51416
71%
**87
99%
SNPE Vectan SP 9
<<locked>>
81%
49211
68%
**67
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
50720
70%
**82
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
42366
58%
**44
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
36172
50%
**39
93%
Shooters World Long Rifle
<<locked>>
81%
36999
51%
**05
95%
Shooters World Match Rifle
<<locked>>
81%
50357
69%
**74
100%
Shooters World Precision
<<locked>>
81%
45165
62%
**69
100%
Somchem S321
<<locked>>
81%
57566
79%
**79
100%
Somchem S335
<<locked>>
81%
49995
69%
**76
100%
Somchem S341
<<locked>>
81%
51184
71%
**77
100%
Somchem S355
<<locked>>
81%
40785
56%
**07
99%
[Somchem S361]*
<<locked>>
91%
42076
58%
**97
90%
Somchem S365
<<locked>>
81%
29965
41%
**36
97%
[Somchem S385]*
<<locked>>
86%
32822
45%
**43
90%
Vihtavuori N130
<<locked>>
81%
55405
76%
**22
100%
Vihtavuori N133
<<locked>>
81%
47471
65%
**17
100%
Vihtavuori N135
<<locked>>
81%
39711
55%
**41
100%
Vihtavuori N140
<<locked>>
81%
46702
64%
**62
100%
Vihtavuori N150
<<locked>>
81%
34809
48%
**52
99%
Vihtavuori N160
<<locked>>
81%
36260
50%
**21
96%
[Vihtavuori N165]*
<<locked>>
93%
34345
47%
**69
90%
Vihtavuori N530
<<locked>>
81%
55303
76%
**43
100%
Vihtavuori N540
<<locked>>
81%
46253
64%
**79
100%
Vihtavuori N550
<<locked>>
81%
36738
51%
**64
96%
[Vihtavuori N555]*
<<locked>>
81%
25730
35%
**05
92%
Winchester 6.5 StaBALL
<<locked>>
81%
34621
48%
**72
98%
Winchester 748
<<locked>>
81%
57754
80%
**09
100%
[Winchester 760]*
<<locked>>
81%
38464
53%
**10
94%
[Winchester StaBALL HD]*
<<locked>>
85%
24337
34%
**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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