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Load data for .270 Win. Ackley Improved + .277 | 150gr | Prvi Partizan SP

Recommended Powder(s):

.270 Win. Ackley Improved + .277 | 150gr | Prvi Partizan SP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.277 | 150gr | Prvi Partizan SP
Manufacturer SKU:
B-027
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.277" | 7.04mm
Bullet Length:
1.165" | 29.6mm
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:
0.415" | 10.5mm
Shank Seated Depth:
0.415" | 10.5mm
Case Capacity:
70.0 Grains of Water | 4.55 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
72519 psi | 5000 bar
LID:
LID_B9118_C272
Last updated:
2026-01-15

Load data for 222 loads in caliber .270 Win. Ackley Improved with .277 | 150gr | Prvi Partizan SP bullet and 111 powder(s). 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%
65035
90%
**28
101%
ADI AR 2206H
<<locked>>
85%
64672
89%
**04
100%
ADI AR 2208
<<locked>>
90%
64817
89%
**90
100%
ADI AR 2209
<<locked>>
97%
56840
78%
**81
99%
ADI AR 2213
<<locked>>
97%
50807
70%
**15
96%
[ADI AR 2225]*
<<locked>>
97%
32895
45%
**61
93%
Accurate 2200
<<locked>>
84%
65035
90%
**84
100%
Accurate 2700
<<locked>>
91%
64788
89%
**64
100%
Accurate 3100
<<locked>>
97%
50314
69%
**36
99%
Accurate 4064
<<locked>>
88%
64513
89%
**51
100%
Accurate 4350
<<locked>>
95%
64977
90%
**56
100%
[Accurate MAGPRO]*
<<locked>>
97%
49574
68%
**18
94%
Alliant Power Pro 2000-MR
<<locked>>
85%
63918
88%
**12
100%
Alliant Reloder- TS 15.5
<<locked>>
90%
64832
89%
**97
100%
Alliant Reloder-15
<<locked>>
87%
64614
89%
**20
100%
Alliant Reloder-16
<<locked>>
97%
64078
88%
**92
100%
Alliant Reloder-17
<<locked>>
92%
65079
90%
**05
100%
Alliant Reloder-19
<<locked>>
97%
56028
77%
**67
99%
Alliant Reloder-22
<<locked>>
97%
50038
69%
**12
98%
Alliant Reloder-23
<<locked>>
97%
47776
66%
**66
100%
Alliant Reloder-25
<<locked>>
97%
41205
57%
**77
99%
Alliant Reloder-26
<<locked>>
97%
53867
74%
**36
100%
Baschieri & Pellagri 107
<<locked>>
85%
65006
90%
**23
100%
Bofors RP15
<<locked>>
97%
46383
64%
**49
97%
Bofors RP3
<<locked>>
89%
65050
90%
**04
100%
[Bofors RP30]*
<<locked>>
97%
37391
52%
**89
93%
Bofors RP5
<<locked>>
97%
50038
69%
**12
98%
Bofors RP7
<<locked>>
93%
64324
89%
**00
100%
Hodgdon Benchmark
<<locked>>
83%
64788
89%
**28
100%
Hodgdon CFE223
<<locked>>
87%
65195
90%
**56
100%
Hodgdon H380
<<locked>>
89%
65238
90%
**30
100%
Hodgdon H414 👍
<<locked>>
91%
64121
88%
**79
100%
Hodgdon H4350
<<locked>>
97%
61670
85%
**87
100%
Hodgdon H4831
<<locked>>
97%
46818
65%
**90
95%
Hodgdon H4831 SC
<<locked>>
97%
53316
74%
**02
96%
Hodgdon Hybrid 100V
<<locked>>
97%
60669
84%
**61
100%
Hodgdon LVR
<<locked>>
94%
64484
89%
**53
100%
[Hodgdon Retumbo]*
<<locked>>
97%
32895
45%
**61
93%
Hodgdon Superperformance 👍
<<locked>>
93%
64643
89%
**15
100%
Hodgdon VARGET
<<locked>>
90%
64440
89%
**87
100%
Hodgdon TrailBoss
<<locked>>
97%
35070
48%
**06
100%
IMR 3031
<<locked>>
87%
64934
90%
**61
100%
IMR 4064
<<locked>>
91%
65122
90%
**90
100%
IMR 4166 Enduron
<<locked>>
91%
64527
89%
**87
100%
IMR 4350
<<locked>>
97%
64701
89%
**30
100%
IMR 4451 Enduron
<<locked>>
93%
64846
89%
**13
100%
IMR 4831
<<locked>>
97%
57450
79%
**44
100%
IMR 4895
<<locked>>
87%
65209
90%
**33
100%
IMR 4955 Enduron
<<locked>>
97%
52562
72%
**53
96%
IMR 7828 SSC
<<locked>>
97%
52707
73%
**61
97%
IMR 8208 XBR
<<locked>>
84%
64905
89%
**64
100%
Lovex D073.6
<<locked>>
84%
64905
89%
**64
100%
Lovex S060
<<locked>>
86%
65267
90%
**51
100%
Lovex S062
<<locked>>
88%
64469
89%
**64
100%
Lovex S065
<<locked>>
94%
64382
89%
**97
100%
Lovex S070
<<locked>>
95%
64382
89%
**23
100%
Lovex S071
<<locked>>
96%
41597
57%
**82
98%
Norma 201
<<locked>>
86%
65151
90%
**61
100%
Norma 202
<<locked>>
85%
65006
90%
**44
100%
Norma 203B
<<locked>>
88%
64905
89%
**17
100%
Norma 204
<<locked>>
96%
64208
89%
**59
99%
Norma MRP
<<locked>>
97%
52997
73%
**00
99%
Norma URP
<<locked>>
96%
64397
89%
**56
100%
Ramshot Big Game
<<locked>>
87%
64542
89%
**27
100%
Ramshot Grand
<<locked>>
97%
55796
77%
**27
98%
Ramshot Hunter 👍
<<locked>>
97%
64963
90%
**86
100%
Ramshot Magnum
<<locked>>
97%
48124
66%
**66
98%
Ramshot TAC
<<locked>>
83%
64948
90%
**00
100%
Ramshot Wild Boar
<<locked>>
83%
65253
90%
**10
100%
ReloadSwiss RS 14
<<locked>>
96%
35607
49%
**45
100%
ReloadSwiss RS 50
<<locked>>
89%
64832
89%
**13
100%
ReloadSwiss RS 52
<<locked>>
85%
64875
89%
**76
100%
ReloadSwiss RS 60
<<locked>>
90%
64571
89%
**89
100%
ReloadSwiss RS 62
<<locked>>
95%
64614
89%
**76
100%
ReloadSwiss RS 70 👍
<<locked>>
96%
64455
89%
**35
100%
ReloadSwiss RS 76
<<locked>>
97%
40016
55%
**87
97%
Rottweil R 901
<<locked>>
83%
64977
90%
**22
100%
Rottweil R 902
<<locked>>
87%
64455
89%
**44
100%
Rottweil R 903
<<locked>>
91%
64324
89%
**94
100%
Rottweil R 904
<<locked>>
97%
58015
80%
**41
98%
Rottweil R 905
<<locked>>
97%
55898
77%
**67
99%
Rottweil R 907
<<locked>>
93%
64324
89%
**00
100%
SNPE Vectan SP 11
<<locked>>
90%
65209
90%
**40
100%
SNPE Vectan SP 7
<<locked>>
84%
64397
89%
**94
100%
SNPE Vectan SP 9
<<locked>>
86%
64861
89%
**94
100%
SNPE Vectan Tubal 3000
<<locked>>
85%
65209
90%
**82
100%
SNPE Vectan Tubal 5000
<<locked>>
90%
64440
89%
**59
100%
SNPE Vectan Tubal 7000
<<locked>>
95%
65166
90%
**64
100%
Shooters World Long Rifle
<<locked>>
94%
64382
89%
**97
100%
Shooters World Match Rifle
<<locked>>
84%
64905
89%
**64
100%
Shooters World Precision
<<locked>>
88%
64469
89%
**64
100%
Somchem S335
<<locked>>
85%
64339
89%
**72
100%
Somchem S341
<<locked>>
84%
65050
90%
**81
100%
Somchem S355
<<locked>>
91%
64905
89%
**97
100%
Somchem S361
<<locked>>
97%
60568
84%
**54
98%
Somchem S365
<<locked>>
97%
61844
85%
**30
100%
Somchem S385
<<locked>>
97%
55985
77%
**38
99%
Vihtavuori N133
<<locked>>
87%
64890
89%
**46
100%
Vihtavuori N135
<<locked>>
92%
64919
90%
**99
100%
Vihtavuori N140
<<locked>>
87%
65195
90%
**15
100%
Vihtavuori N150
<<locked>>
96%
64672
89%
**48
100%
Vihtavuori N160
<<locked>>
93%
64890
89%
**17
100%
Vihtavuori N165
<<locked>>
97%
47210
65%
**80
97%
Vihtavuori N540
<<locked>>
87%
64817
89%
**48
100%
Vihtavuori N550
<<locked>>
93%
65021
90%
**69
100%
Vihtavuori N555
<<locked>>
97%
52750
73%
**31
100%
Vihtavuori N560
<<locked>>
97%
50604
70%
**44
96%
[Vihtavuori N565]*
<<locked>>
97%
42830
59%
**84
94%
Winchester 6.5 StaBALL
<<locked>>
95%
64585
89%
**90
100%
Winchester 760 👍
<<locked>>
91%
64121
88%
**79
100%
Winchester StaBALL HD
<<locked>>
97%
42090
58%
**08
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
81%
59843
83%
**59
101%
ADI AR 2206H
<<locked>>
81%
57696
80%
**12
100%
ADI AR 2208
<<locked>>
81%
48979
68%
**64
100%
[ADI AR 2209]*
<<locked>>
81%
33881
47%
**25
92%
[ADI AR 2213]*
<<locked>>
86%
35375
49%
**80
90%
[ADI AR 2225]*
<<locked>>
93%
29399
41%
**52
90%
Accurate 2200
<<locked>>
81%
59828
82%
**18
100%
Accurate 2700
<<locked>>
81%
47500
65%
**05
98%
[Accurate 3100]*
<<locked>>
81%
29385
41%
**03
93%
Accurate 4064
<<locked>>
81%
52025
72%
**90
100%
Accurate 4350
<<locked>>
81%
40016
55%
**69
99%
[Accurate MAGPRO]*
<<locked>>
90%
39421
54%
**12
90%
Alliant Power Pro 2000-MR
<<locked>>
81%
54636
75%
**84
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
49559
68%
**90
100%
Alliant Reloder-15
<<locked>>
81%
52982
73%
**62
100%
Alliant Reloder-16
<<locked>>
81%
38740
53%
**75
99%
Alliant Reloder-17
<<locked>>
81%
44135
61%
**03
100%
[Alliant Reloder-19]*
<<locked>>
81%
33779
47%
**25
92%
[Alliant Reloder-22]*
<<locked>>
82%
30298
42%
**75
90%
Alliant Reloder-23
<<locked>>
81%
28398
39%
**29
97%
[Alliant Reloder-25]*
<<locked>>
81%
25077
35%
**24
90%
Alliant Reloder-26
<<locked>>
81%
30429
42%
**44
95%
Baschieri & Pellagri 107
<<locked>>
81%
57986
80%
**35
100%
[Bofors RP15]*
<<locked>>
84%
30734
42%
**85
90%
Bofors RP3
<<locked>>
81%
50401
70%
**10
100%
[Bofors RP30]*
<<locked>>
93%
32634
45%
**67
90%
[Bofors RP5]*
<<locked>>
82%
30298
42%
**75
90%
Bofors RP7
<<locked>>
81%
43859
60%
**82
97%
Hodgdon Benchmark
<<locked>>
81%
60713
84%
**69
100%
Hodgdon CFE223
<<locked>>
81%
52388
72%
**85
100%
Hodgdon H380
<<locked>>
81%
50633
70%
**17
100%
Hodgdon H414
<<locked>>
81%
45643
63%
**87
98%
Hodgdon H4350
<<locked>>
81%
37521
52%
**67
95%
[Hodgdon H4831]*
<<locked>>
88%
36172
50%
**64
90%
[Hodgdon H4831 SC]*
<<locked>>
85%
35795
49%
**54
90%
Hodgdon Hybrid 100V
<<locked>>
81%
36289
50%
**74
99%
Hodgdon LVR
<<locked>>
81%
42757
59%
**18
99%
[Hodgdon Retumbo]*
<<locked>>
93%
29399
41%
**52
90%
Hodgdon Superperformance
<<locked>>
81%
41046
57%
**35
97%
Hodgdon VARGET
<<locked>>
81%
48660
67%
**61
100%
Hodgdon TrailBoss
<<locked>>
90%
32126
44%
**47
100%
IMR 3031
<<locked>>
81%
54462
75%
**30
100%
IMR 4064
<<locked>>
81%
48283
67%
**44
100%
IMR 4166 Enduron
<<locked>>
81%
47181
65%
**15
98%
IMR 4350
<<locked>>
81%
39392
54%
**03
96%
IMR 4451 Enduron
<<locked>>
81%
45208
62%
**08
98%
IMR 4831
<<locked>>
81%
34809
48%
**44
98%
IMR 4895
<<locked>>
81%
54288
75%
**85
100%
[IMR 4955 Enduron]*
<<locked>>
83%
34737
48%
**98
90%
[IMR 7828 SSC]*
<<locked>>
85%
34766
48%
**80
90%
IMR 8208 XBR
<<locked>>
81%
59828
83%
**05
100%
Lovex D073.6
<<locked>>
81%
58581
81%
**85
100%
Lovex S060
<<locked>>
81%
56405
78%
**40
100%
Lovex S062
<<locked>>
81%
51967
72%
**94
100%
Lovex S065
<<locked>>
81%
42641
59%
**52
98%
Lovex S070
<<locked>>
81%
41060
57%
**49
97%
[Lovex S071]*
<<locked>>
81%
25280
35%
**82
91%
Norma 201
<<locked>>
81%
56173
77%
**49
100%
Norma 202
<<locked>>
81%
57217
79%
**46
100%
Norma 203B
<<locked>>
81%
52344
72%
**49
100%
[Norma 204]*
<<locked>>
81%
38827
54%
**30
94%
[Norma MRP]*
<<locked>>
81%
30893
43%
**25
92%
Norma URP
<<locked>>
81%
39726
55%
**59
99%
Ramshot Big Game
<<locked>>
81%
52939
73%
**72
100%
[Ramshot Grand]*
<<locked>>
84%
34418
47%
**80
90%
Ramshot Hunter
<<locked>>
81%
38493
53%
**49
97%
[Ramshot Magnum]*
<<locked>>
84%
29776
41%
**49
90%
Ramshot TAC
<<locked>>
81%
59915
83%
**41
100%
Ramshot Wild Boar
<<locked>>
81%
60205
83%
**48
100%
ReloadSwiss RS 14
<<locked>>
86%
30530
42%
**44
100%
ReloadSwiss RS 50
<<locked>>
81%
50546
70%
**03
99%
ReloadSwiss RS 52
<<locked>>
81%
57493
79%
**74
100%
ReloadSwiss RS 60
<<locked>>
81%
47007
65%
**53
100%
ReloadSwiss RS 62
<<locked>>
81%
39755
55%
**89
99%
ReloadSwiss RS 70
<<locked>>
81%
38435
53%
**95
98%
[ReloadSwiss RS 76]*
<<locked>>
88%
29994
41%
**05
90%
Rottweil R 901
<<locked>>
81%
60771
84%
**76
100%
Rottweil R 902
<<locked>>
81%
53650
74%
**07
100%
Rottweil R 903
<<locked>>
81%
47253
65%
**51
100%
[Rottweil R 904]*
<<locked>>
81%
35375
49%
**18
91%
[Rottweil R 905]*
<<locked>>
81%
32837
45%
**15
92%
Rottweil R 907
<<locked>>
81%
43859
60%
**82
97%
SNPE Vectan SP 11
<<locked>>
81%
48472
67%
**07
100%
SNPE Vectan SP 7
<<locked>>
81%
59176
82%
**22
100%
SNPE Vectan SP 9
<<locked>>
81%
55970
77%
**79
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
56898
78%
**80
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
48109
66%
**49
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
42018
58%
**07
97%
Shooters World Long Rifle
<<locked>>
81%
42641
59%
**52
98%
Shooters World Match Rifle
<<locked>>
81%
58581
81%
**85
100%
Shooters World Precision
<<locked>>
81%
51967
72%
**94
100%
Somchem S335
<<locked>>
81%
56637
78%
**77
100%
Somchem S341
<<locked>>
81%
59074
81%
**05
100%
Somchem S355
<<locked>>
81%
47195
65%
**44
100%
[Somchem S361]*
<<locked>>
81%
35766
49%
**02
90%
Somchem S365
<<locked>>
81%
35839
49%
**16
100%
[Somchem S385]*
<<locked>>
81%
33518
46%
**05
93%
Vihtavuori N133
<<locked>>
81%
53911
74%
**18
100%
Vihtavuori N135
<<locked>>
81%
46064
64%
**52
100%
Vihtavuori N140
<<locked>>
81%
53417
74%
**77
100%
Vihtavuori N150
<<locked>>
81%
40741
56%
**03
100%
Vihtavuori N160
<<locked>>
81%
43149
59%
**95
99%
[Vihtavuori N165]*
<<locked>>
82%
29066
40%
**80
90%
Vihtavuori N540
<<locked>>
81%
53417
74%
**00
100%
Vihtavuori N550
<<locked>>
81%
43497
60%
**38
99%
Vihtavuori N555
<<locked>>
81%
31560
44%
**08
97%
[Vihtavuori N560]*
<<locked>>
86%
35476
49%
**23
90%
[Vihtavuori N565]*
<<locked>>
90%
34127
47%
**90
90%
Winchester 6.5 StaBALL
<<locked>>
81%
40422
56%
**36
100%
Winchester 760
<<locked>>
81%
45643
63%
**87
98%
Winchester StaBALL HD
<<locked>>
81%
25106
35%
**10
96%

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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