top of page

Load data for .270 Win. Ackley Improved + .277 | 135gr | Peregrine Glider GRM

Recommended Powder(s): Hodgdon H380, Hodgdon LVR, ReloadSwiss RS 50, Vihtavuori N160, Vihtavuori N550

.270 Win. Ackley Improved + .277 | 135gr | Peregrine Glider GRM

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.277 | 135gr | Peregrine Glider GRM
Bullet Weight:
135gr | 8.7g
Bullet Diameter:
0.277" | 7.04mm
Bullet Length:
1.457" | 37.0mm
Caliber:
.270 Win. Ackley Improved load data
Case Length (l3):
2.540" | 64.5mm
Cartridge Length (C.O.L.):
3.290" | 83.6mm
Seated Depth:
0.707" | 18.0mm
Shank Seated Depth:
0.483" | 12.3mm
Case Capacity:
70.0 Grains of Water | 4.55 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
72519 psi | 5000 bar
LID:
LID_B8068_C272
Last updated:
2026-01-12
Recommended Twist Rate:
1:8 - 1:7

Load data for 230 loads in caliber .270 Win. Ackley Improved with .277 | 135gr | Peregrine Glider GRM bullet and 115 powders such as Hodgdon H380, Hodgdon LVR, ReloadSwiss RS 50, Vihtavuori N160, 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".

  • 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.

    .

    Loading_icon.gif

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%
64614
89%
**03
101%
ADI AR 2206H
<<locked>>
89%
64861
89%
**31
100%
ADI AR 2208
<<locked>>
94%
64643
89%
**12
100%
ADI AR 2209
<<locked>>
97%
48675
67%
**48
95%
Accurate 2015
<<locked>>
85%
64339
89%
**97
100%
Accurate 2200
<<locked>>
87%
64281
89%
**95
100%
Accurate 2495
<<locked>>
87%
64861
89%
**59
100%
Accurate 2520
<<locked>>
86%
64281
89%
**92
100%
Accurate 2700
<<locked>>
94%
63904
88%
**59
99%
Accurate 3100
<<locked>>
97%
41408
57%
**94
96%
Accurate 4064
<<locked>>
93%
65035
90%
**95
100%
Accurate 4350
<<locked>>
97%
57754
80%
**89
100%
Alliant AR-Comp
<<locked>>
87%
65166
90%
**40
100%
Alliant Reloder- TS 15.5
<<locked>>
94%
65006
90%
**35
100%
Alliant Reloder-15
<<locked>>
92%
64803
89%
**54
100%
Alliant Reloder-16
<<locked>>
96%
54447
75%
**82
100%
Alliant Reloder-17
<<locked>>
96%
64208
89%
**36
100%
Alliant Reloder-19
<<locked>>
97%
47805
66%
**41
95%
[Alliant Reloder-22]*
<<locked>>
97%
41582
57%
**56
93%
Alliant Reloder-23
<<locked>>
97%
39755
55%
**30
99%
[Alliant Reloder-25]*
<<locked>>
97%
34708
48%
**12
94%
Alliant Reloder-26
<<locked>>
96%
43671
60%
**74
98%
Baschieri & Pellagri 107
<<locked>>
88%
64310
89%
**45
100%
[Bofors RP15]*
<<locked>>
97%
38812
54%
**87
92%
Bofors RP3
<<locked>>
93%
64426
89%
**35
100%
[Bofors RP5]*
<<locked>>
97%
41582
57%
**56
93%
Bofors RP7
<<locked>>
97%
63135
87%
**02
99%
Hodgdon BL-C2
<<locked>>
87%
64716
89%
**41
100%
Hodgdon Benchmark
<<locked>>
87%
64252
89%
**43
100%
Hodgdon CFE223
<<locked>>
91%
64223
89%
**71
100%
Hodgdon H322
<<locked>>
86%
64832
89%
**66
100%
Hodgdon H380 👍
<<locked>>
93%
64948
90%
**51
100%
Hodgdon H414
<<locked>>
96%
64455
89%
**00
99%
Hodgdon H4350
<<locked>>
97%
53200
73%
**71
97%
[Hodgdon H4831 SC]*
<<locked>>
97%
45252
62%
**59
92%
Hodgdon Hybrid 100V
<<locked>>
97%
51097
70%
**61
100%
Hodgdon LVR 👍
<<locked>>
97%
61279
85%
**38
100%
Hodgdon Superperformance
<<locked>>
97%
61061
84%
**81
99%
Hodgdon VARGET
<<locked>>
95%
65021
90%
**25
100%
Hodgdon TrailBoss
<<locked>>
96%
34156
47%
**59
100%
IMR 3031
<<locked>>
91%
64803
89%
**95
100%
IMR 4064
<<locked>>
95%
65224
90%
**15
100%
IMR 4166 Enduron
<<locked>>
95%
64411
89%
**95
99%
IMR 4198
<<locked>>
84%
65166
90%
**71
100%
IMR 4350
<<locked>>
97%
55927
77%
**17
98%
IMR 4451 Enduron
<<locked>>
97%
64919
90%
**31
99%
IMR 4831
<<locked>>
97%
48385
67%
**25
99%
IMR 4895
<<locked>>
91%
64107
88%
**54
100%
[IMR 4955 Enduron]*
<<locked>>
97%
45194
62%
**20
92%
[IMR 7828 SSC]*
<<locked>>
97%
44570
61%
**02
92%
IMR 8208 XBR
<<locked>>
87%
64339
89%
**82
100%
Lovex D073.5
<<locked>>
83%
64846
89%
**69
100%
Lovex D073.6
<<locked>>
88%
64281
89%
**92
100%
Lovex S060
<<locked>>
90%
65064
90%
**76
100%
Lovex S062
<<locked>>
93%
64556
89%
**99
100%
Lovex S065
<<locked>>
97%
60916
84%
**72
100%
Lovex S070
<<locked>>
97%
58624
81%
**56
99%
[Lovex S071]*
<<locked>>
97%
34766
48%
**49
94%
Norma 201
<<locked>>
89%
64585
89%
**82
100%
Norma 202
<<locked>>
89%
64165
88%
**69
100%
Norma 203B
<<locked>>
92%
64977
90%
**48
100%
Norma 204
<<locked>>
97%
56797
78%
**69
97%
Norma MRP
<<locked>>
97%
44425
61%
**51
96%
Norma URP
<<locked>>
97%
56768
78%
**79
100%
Ramshot Big Game
<<locked>>
92%
65137
90%
**61
100%
[Ramshot Grand]*
<<locked>>
97%
46746
64%
**54
93%
Ramshot Hunter
<<locked>>
97%
54911
76%
**72
99%
[Ramshot Magnum]*
<<locked>>
97%
39958
55%
**97
93%
Ramshot TAC
<<locked>>
87%
64701
89%
**18
100%
Ramshot Wild Boar
<<locked>>
87%
65166
90%
**38
100%
Ramshot X-Terminator
<<locked>>
85%
65108
90%
**89
100%
ReloadSwiss RS 14
<<locked>>
96%
34635
48%
**98
100%
ReloadSwiss RS 40
<<locked>>
84%
64295
89%
**66
100%
ReloadSwiss RS 50 👍
<<locked>>
93%
64382
89%
**22
100%
ReloadSwiss RS 52
<<locked>>
89%
65079
90%
**10
100%
ReloadSwiss RS 60
<<locked>>
95%
64440
89%
**36
100%
ReloadSwiss RS 62
<<locked>>
97%
57130
79%
**09
100%
ReloadSwiss RS 70
<<locked>>
97%
56666
78%
**48
100%
Rottweil R 901
<<locked>>
87%
64861
89%
**53
100%
Rottweil R 902
<<locked>>
91%
64774
89%
**82
100%
Rottweil R 903
<<locked>>
95%
64339
89%
**18
100%
[Rottweil R 904]*
<<locked>>
97%
50763
70%
**28
94%
Rottweil R 905
<<locked>>
97%
46876
65%
**28
95%
Rottweil R 907
<<locked>>
97%
63135
87%
**02
99%
SNPE Vectan SP 11
<<locked>>
94%
65064
90%
**74
100%
SNPE Vectan SP 7
<<locked>>
88%
64934
90%
**18
100%
SNPE Vectan SP 9
<<locked>>
90%
64759
89%
**22
100%
SNPE Vectan Tubal 3000
<<locked>>
89%
64310
89%
**94
100%
SNPE Vectan Tubal 5000
<<locked>>
95%
64600
89%
**87
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
60568
84%
**20
99%
Shooters World Long Rifle
<<locked>>
97%
60916
84%
**72
100%
Shooters World Match Rifle
<<locked>>
88%
64281
89%
**92
100%
Shooters World Precision
<<locked>>
93%
64556
89%
**99
100%
Somchem S321
<<locked>>
85%
65151
90%
**12
100%
Somchem S335
<<locked>>
89%
64948
90%
**07
100%
Somchem S341
<<locked>>
88%
64513
89%
**05
100%
Somchem S355
<<locked>>
96%
65137
90%
**28
100%
[Somchem S361]*
<<locked>>
97%
52272
72%
**25
94%
Somchem S365
<<locked>>
97%
51213
71%
**20
100%
Somchem S385
<<locked>>
97%
47065
65%
**99
96%
Vihtavuori N130
<<locked>>
86%
64368
89%
**61
100%
Vihtavuori N133
<<locked>>
91%
64846
89%
**81
100%
Vihtavuori N135
<<locked>>
97%
63904
88%
**20
100%
Vihtavuori N140
<<locked>>
91%
64426
89%
**43
100%
Vihtavuori N150
<<locked>>
97%
57653
80%
**87
100%
Vihtavuori N160 👍
<<locked>>
97%
62395
86%
**12
100%
[Vihtavuori N165]*
<<locked>>
97%
39610
55%
**31
93%
Vihtavuori N530
<<locked>>
85%
64484
89%
**02
100%
Vihtavuori N540
<<locked>>
92%
64963
90%
**76
100%
Vihtavuori N550 👍
<<locked>>
97%
62482
86%
**58
100%
Vihtavuori N555
<<locked>>
97%
44077
61%
**08
99%
Winchester 6.5 StaBALL
<<locked>>
97%
58972
81%
**43
100%
Winchester 748
<<locked>>
84%
64440
89%
**22
100%
Winchester 760
<<locked>>
96%
64455
89%
**00
99%
Winchester StaBALL HD
<<locked>>
97%
35273
49%
**33
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
81%
59146
82%
**24
100%
ADI AR 2206H
<<locked>>
81%
50705
70%
**28
100%
ADI AR 2208
<<locked>>
81%
42960
59%
**74
99%
[ADI AR 2209]*
<<locked>>
87%
35766
49%
**62
90%
Accurate 2015
<<locked>>
81%
56797
78%
**02
100%
Accurate 2200
<<locked>>
81%
52794
73%
**35
100%
Accurate 2495
<<locked>>
81%
52692
73%
**08
100%
Accurate 2520
<<locked>>
81%
53447
74%
**48
100%
[Accurate 2700]*
<<locked>>
81%
41176
57%
**85
94%
[Accurate 3100]*
<<locked>>
85%
27746
38%
**65
90%
Accurate 4064
<<locked>>
81%
44498
61%
**03
100%
Accurate 4350
<<locked>>
81%
33460
46%
**36
96%
Alliant AR-Comp
<<locked>>
81%
53969
74%
**99
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
43076
59%
**94
100%
Alliant Reloder-15
<<locked>>
81%
46253
64%
**66
99%
Alliant Reloder-16
<<locked>>
81%
33214
46%
**46
96%
Alliant Reloder-17
<<locked>>
81%
37376
52%
**77
99%
[Alliant Reloder-19]*
<<locked>>
87%
35331
49%
**66
90%
[Alliant Reloder-22]*
<<locked>>
91%
34751
48%
**95
90%
[Alliant Reloder-23]*
<<locked>>
81%
24004
33%
**77
92%
[Alliant Reloder-25]*
<<locked>>
91%
29312
40%
**48
90%
[Alliant Reloder-26]*
<<locked>>
83%
27122
37%
**25
90%
Baschieri & Pellagri 107
<<locked>>
81%
50415
70%
**41
100%
[Bofors RP15]*
<<locked>>
94%
35447
49%
**05
90%
Bofors RP3
<<locked>>
81%
42902
59%
**00
100%
[Bofors RP5]*
<<locked>>
91%
34751
48%
**95
90%
[Bofors RP7]*
<<locked>>
81%
38232
53%
**66
93%
Hodgdon BL-C2
<<locked>>
81%
53185
73%
**74
100%
Hodgdon Benchmark
<<locked>>
81%
54128
75%
**05
100%
Hodgdon CFE223
<<locked>>
81%
44904
62%
**79
99%
Hodgdon H322
<<locked>>
81%
56115
77%
**58
100%
Hodgdon H380
<<locked>>
81%
43613
60%
**10
98%
[Hodgdon H414]*
<<locked>>
81%
38682
53%
**54
94%
[Hodgdon H4350]*
<<locked>>
81%
32242
44%
**34
90%
[Hodgdon H4831 SC]*
<<locked>>
94%
41321
57%
**74
90%
Hodgdon Hybrid 100V
<<locked>>
81%
30574
42%
**38
96%
Hodgdon LVR
<<locked>>
81%
36492
50%
**95
96%
[Hodgdon Superperformance]*
<<locked>>
81%
34838
48%
**75
92%
Hodgdon VARGET
<<locked>>
81%
42525
59%
**64
99%
Hodgdon TrailBoss
<<locked>>
85%
28863
40%
**44
100%
IMR 3031
<<locked>>
81%
47152
65%
**56
100%
IMR 4064
<<locked>>
81%
42337
58%
**48
99%
IMR 4166 Enduron
<<locked>>
81%
41466
57%
**05
95%
IMR 4198
<<locked>>
81%
60655
84%
**18
100%
[IMR 4350]*
<<locked>>
81%
33997
47%
**87
92%
[IMR 4451 Enduron]*
<<locked>>
81%
39798
55%
**95
94%
[IMR 4831]*
<<locked>>
81%
29095
40%
**02
94%
IMR 4895
<<locked>>
81%
47355
65%
**92
100%
[IMR 4955 Enduron]*
<<locked>>
93%
40640
56%
**21
90%
[IMR 7828 SSC]*
<<locked>>
94%
40683
56%
**13
90%
IMR 8208 XBR
<<locked>>
81%
52852
73%
**31
100%
Lovex D073.5
<<locked>>
81%
60452
83%
**17
100%
Lovex D073.6
<<locked>>
81%
50531
70%
**05
100%
Lovex S060
<<locked>>
81%
50212
69%
**59
100%
Lovex S062
<<locked>>
81%
45397
63%
**10
100%
Lovex S065
<<locked>>
81%
37101
51%
**39
95%
[Lovex S070]*
<<locked>>
81%
35476
49%
**26
93%
[Lovex S071]*
<<locked>>
90%
27746
38%
**65
90%
Norma 201
<<locked>>
81%
49414
68%
**66
100%
Norma 202
<<locked>>
81%
50009
69%
**72
100%
Norma 203B
<<locked>>
81%
45484
63%
**53
100%
[Norma 204]*
<<locked>>
83%
35752
49%
**59
90%
[Norma MRP]*
<<locked>>
87%
32126
44%
**49
90%
Norma URP
<<locked>>
81%
33692
46%
**39
96%
Ramshot Big Game
<<locked>>
81%
45600
63%
**69
99%
[Ramshot Grand]*
<<locked>>
92%
40001
55%
**03
90%
[Ramshot Hunter]*
<<locked>>
81%
32590
45%
**13
93%
[Ramshot Magnum]*
<<locked>>
93%
35085
48%
**72
90%
Ramshot TAC
<<locked>>
81%
52736
73%
**41
99%
Ramshot Wild Boar
<<locked>>
81%
52794
73%
**67
100%
Ramshot X-Terminator
<<locked>>
81%
56768
78%
**77
100%
ReloadSwiss RS 14
<<locked>>
81%
27862
38%
**54
100%
ReloadSwiss RS 40
<<locked>>
81%
58900
81%
**00
100%
ReloadSwiss RS 50
<<locked>>
81%
43743
60%
**90
97%
ReloadSwiss RS 52
<<locked>>
81%
49240
68%
**74
100%
ReloadSwiss RS 60
<<locked>>
81%
39871
55%
**43
100%
ReloadSwiss RS 62
<<locked>>
81%
33069
46%
**43
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
32938
45%
**43
94%
Rottweil R 901
<<locked>>
81%
53534
74%
**02
100%
Rottweil R 902
<<locked>>
81%
46876
65%
**23
100%
Rottweil R 903
<<locked>>
81%
40669
56%
**51
99%
[Rottweil R 904]*
<<locked>>
88%
38537
53%
**89
90%
[Rottweil R 905]*
<<locked>>
87%
34113
47%
**46
90%
[Rottweil R 907]*
<<locked>>
81%
38232
53%
**66
93%
SNPE Vectan SP 11
<<locked>>
81%
41394
57%
**97
99%
SNPE Vectan SP 7
<<locked>>
81%
51445
71%
**25
99%
SNPE Vectan SP 9
<<locked>>
81%
49023
68%
**95
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
50763
70%
**13
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
42540
59%
**82
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
36143
50%
**84
93%
Shooters World Long Rifle
<<locked>>
81%
37101
51%
**39
95%
Shooters World Match Rifle
<<locked>>
81%
50531
70%
**05
100%
Shooters World Precision
<<locked>>
81%
45397
63%
**10
100%
Somchem S321
<<locked>>
81%
57769
80%
**17
100%
Somchem S335
<<locked>>
81%
50096
69%
**10
100%
Somchem S341
<<locked>>
81%
51242
71%
**15
100%
Somchem S355
<<locked>>
81%
40901
56%
**48
99%
[Somchem S361]*
<<locked>>
90%
41408
57%
**21
90%
Somchem S365
<<locked>>
81%
30037
41%
**87
98%
[Somchem S385]*
<<locked>>
85%
31995
44%
**64
90%
Vihtavuori N130
<<locked>>
81%
55941
77%
**56
100%
Vihtavuori N133
<<locked>>
81%
47747
66%
**57
100%
Vihtavuori N135
<<locked>>
81%
40074
55%
**79
100%
Vihtavuori N140
<<locked>>
81%
46847
65%
**03
100%
Vihtavuori N150
<<locked>>
81%
34983
48%
**93
99%
Vihtavuori N160
<<locked>>
81%
36579
50%
**75
97%
[Vihtavuori N165]*
<<locked>>
91%
33069
46%
**77
90%
Vihtavuori N530
<<locked>>
81%
55593
77%
**84
100%
Vihtavuori N540
<<locked>>
81%
46412
64%
**20
100%
Vihtavuori N550
<<locked>>
81%
37057
51%
**08
96%
[Vihtavuori N555]*
<<locked>>
81%
25846
36%
**59
92%
Winchester 6.5 StaBALL
<<locked>>
81%
34650
48%
**10
98%
Winchester 748
<<locked>>
81%
57812
80%
**33
100%
[Winchester 760]*
<<locked>>
81%
38682
53%
**54
94%
[Winchester StaBALL HD]*
<<locked>>
85%
23946
33%
**23
91%

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

bottom of page