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Load data for .338 Lapua Mag. Ackley Improved + .338 | 185gr | Peregrine VRG-3

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Alliant Reloder-26, Norma MRP, Rottweil R 905

.338 Lapua Mag. Ackley Improved + .338 | 185gr | Peregrine VRG-3

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 185gr | Peregrine VRG-3
Bullet Weight:
185gr | 12.0g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
<<locked>>
Caliber:
.338 Lapua Mag. Ackley Improved load data
Case Length (l3):
2.724" | 69.2mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
124.9 Grains of Water | 8.11 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
69618 psi | 4800 bar
LID:
LID_B8151_C452
Last updated:
2026-05-29
Recommended Twist Rate:
1:17 - 1:14

Load data for 160 loads in caliber .338 Lapua Mag. Ackley Improved with .338 | 185gr | Peregrine VRG-3 bullet and 80 powders such as ADI AR 2209, Alliant Reloder-19, Alliant Reloder-26, Norma MRP, 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".

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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>>
83%
62598
90%
**30
101%
ADI AR 2208
<<locked>>
84%
62395
90%
**69
100%
ADI AR 2209 👍
<<locked>>
94%
62424
90%
**61
100%
ADI AR 2213
<<locked>>
97%
61699
89%
**87
99%
ADI AR 2217
<<locked>>
97%
44976
65%
**56
95%
ADI AR 2225
<<locked>>
97%
40161
58%
**04
97%
Accurate 3100
<<locked>>
97%
61598
88%
**69
100%
Accurate 4350
<<locked>>
89%
62352
90%
**12
100%
Accurate MAGPRO
<<locked>>
96%
62047
89%
**97
98%
Alliant Reloder- TS 15.5
<<locked>>
84%
62163
89%
**69
100%
Alliant Reloder-16
<<locked>>
90%
62410
90%
**61
100%
Alliant Reloder-17
<<locked>>
86%
62656
90%
**55
100%
Alliant Reloder-19 👍
<<locked>>
94%
62395
90%
**45
99%
Alliant Reloder-22
<<locked>>
97%
61569
88%
**71
100%
Alliant Reloder-23
<<locked>>
97%
59016
85%
**89
100%
Alliant Reloder-25
<<locked>>
97%
50618
73%
**17
100%
Alliant Reloder-26 👍
<<locked>>
94%
62178
89%
**07
100%
Baschieri & Pellagri 109
<<locked>>
97%
59625
86%
**66
96%
Bofors RP15
<<locked>>
97%
56594
81%
**89
99%
Bofors RP3
<<locked>>
83%
62569
90%
**73
100%
Bofors RP30
<<locked>>
97%
47007
68%
**38
97%
Bofors RP5
<<locked>>
97%
61569
88%
**71
100%
Bofors RP7
<<locked>>
88%
62555
90%
**82
100%
Hodgdon H1000
<<locked>>
97%
49835
72%
**61
98%
Hodgdon H380
<<locked>>
83%
62627
90%
**99
100%
Hodgdon H414
<<locked>>
88%
62178
89%
**45
100%
Hodgdon H4350
<<locked>>
87%
62555
90%
**15
100%
Hodgdon H4831
<<locked>>
95%
62105
89%
**22
98%
Hodgdon H4831 SC
<<locked>>
96%
62105
89%
**22
98%
Hodgdon Hybrid 100V
<<locked>>
92%
62482
90%
**66
100%
Hodgdon Retumbo
<<locked>>
97%
49806
72%
**69
99%
Hodgdon Superperformance
<<locked>>
87%
62323
90%
**58
100%
Hodgdon TrailBoss
<<locked>>
97%
35462
51%
**88
100%
IMR 4350
<<locked>>
91%
62366
90%
**99
100%
IMR 4451 Enduron
<<locked>>
87%
62540
90%
**82
100%
IMR 4831
<<locked>>
91%
62352
90%
**02
100%
IMR 4955 Enduron
<<locked>>
95%
62250
89%
**89
98%
IMR 7828 SSC
<<locked>>
97%
59625
86%
**55
99%
Lovex S065
<<locked>>
89%
62410
90%
**69
100%
Lovex S070
<<locked>>
90%
62656
90%
**92
100%
Lovex S071
<<locked>>
97%
51387
74%
**15
100%
Norma 204
<<locked>>
90%
62279
89%
**28
99%
[Norma 217]*
<<locked>>
97%
35882
52%
**02
94%
Norma MRP 👍
<<locked>>
95%
62236
89%
**97
100%
Norma URP
<<locked>>
90%
62236
89%
**22
100%
Ramshot Grand
<<locked>>
97%
60901
87%
**74
99%
Ramshot Hunter
<<locked>>
90%
62207
89%
**32
100%
Ramshot Magnum
<<locked>>
97%
54592
78%
**40
99%
ReloadSwiss RS 14
<<locked>>
97%
36071
52%
**31
100%
ReloadSwiss RS 50
<<locked>>
83%
62178
89%
**79
100%
ReloadSwiss RS 60
<<locked>>
84%
62265
89%
**38
100%
ReloadSwiss RS 62
<<locked>>
88%
62207
89%
**32
100%
ReloadSwiss RS 70
<<locked>>
89%
62613
90%
**91
100%
ReloadSwiss RS 76
<<locked>>
97%
50227
72%
**66
100%
[ReloadSwiss RS 80]*
<<locked>>
97%
45353
65%
**22
94%
Rottweil R 903
<<locked>>
85%
62598
90%
**69
100%
Rottweil R 904
<<locked>>
94%
62656
90%
**12
99%
Rottweil R 905 👍
<<locked>>
95%
62294
89%
**45
100%
Rottweil R 907
<<locked>>
88%
62555
90%
**82
100%
SNPE Vectan SP 11
<<locked>>
84%
62091
89%
**92
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
62323
90%
**28
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
62352
90%
**27
100%
SNPE Vectan Tubal 8000
<<locked>>
95%
62453
90%
**45
100%
Shooters World Long Rifle
<<locked>>
89%
62410
90%
**69
100%
Somchem S355
<<locked>>
85%
62511
90%
**59
100%
Somchem S361
<<locked>>
92%
62134
89%
**59
98%
Somchem S365
<<locked>>
91%
62120
89%
**02
100%
Somchem S385
<<locked>>
94%
62192
89%
**99
100%
Vihtavuori N150
<<locked>>
86%
62569
90%
**10
100%
Vihtavuori N160
<<locked>>
89%
62424
90%
**86
100%
Vihtavuori N165
<<locked>>
97%
58943
85%
**33
99%
Vihtavuori N550
<<locked>>
89%
62511
90%
**96
100%
Vihtavuori N555
<<locked>>
96%
62337
90%
**35
100%
Vihtavuori N560
<<locked>>
95%
62482
90%
**01
99%
Vihtavuori N565
<<locked>>
97%
53171
76%
**30
97%
[Vihtavuori N568]*
<<locked>>
97%
46746
67%
**38
94%
Winchester 6.5 StaBALL
<<locked>>
89%
62642
90%
**40
100%
Winchester 760
<<locked>>
88%
62540
90%
**41
100%
Winchester StaBALL HD
<<locked>>
97%
57188
82%
**58
100%
Winchester Supreme 780
<<locked>>
96%
62642
90%
**99
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
81%
59959
86%
**93
100%
ADI AR 2208
<<locked>>
81%
55724
80%
**64
100%
ADI AR 2209
<<locked>>
81%
39697
57%
**28
95%
[ADI AR 2213]*
<<locked>>
81%
35360
51%
**30
91%
[ADI AR 2217]*
<<locked>>
89%
34316
49%
**87
90%
[ADI AR 2225]*
<<locked>>
87%
29124
42%
**69
90%
Accurate 3100
<<locked>>
81%
35070
50%
**71
96%
Accurate 4350
<<locked>>
81%
47398
68%
**72
100%
[Accurate MAGPRO]*
<<locked>>
82%
37057
53%
**99
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
57101
82%
**91
100%
Alliant Reloder-16
<<locked>>
81%
45556
65%
**79
100%
Alliant Reloder-17
<<locked>>
81%
53229
76%
**14
100%
Alliant Reloder-19
<<locked>>
81%
39610
57%
**25
95%
[Alliant Reloder-22]*
<<locked>>
81%
35288
51%
**43
93%
Alliant Reloder-23
<<locked>>
81%
33808
49%
**07
99%
[Alliant Reloder-25]*
<<locked>>
81%
29428
42%
**89
93%
Alliant Reloder-26
<<locked>>
81%
37420
54%
**48
98%
[Baschieri & Pellagri 109]*
<<locked>>
86%
42119
61%
**22
90%
[Bofors RP15]*
<<locked>>
81%
32764
47%
**74
91%
Bofors RP3
<<locked>>
81%
58262
84%
**07
100%
[Bofors RP30]*
<<locked>>
87%
32764
47%
**84
90%
[Bofors RP5]*
<<locked>>
81%
35288
51%
**43
93%
Bofors RP7
<<locked>>
81%
50227
72%
**89
99%
[Hodgdon H1000]*
<<locked>>
85%
33011
47%
**51
90%
Hodgdon H380
<<locked>>
81%
58421
84%
**36
100%
Hodgdon H414
<<locked>>
81%
49327
71%
**22
99%
Hodgdon H4350
<<locked>>
81%
52141
75%
**58
98%
[Hodgdon H4831]*
<<locked>>
81%
37826
54%
**56
91%
[Hodgdon H4831 SC]*
<<locked>>
81%
37086
53%
**36
91%
Hodgdon Hybrid 100V
<<locked>>
81%
42844
62%
**54
100%
[Hodgdon Retumbo]*
<<locked>>
84%
31386
45%
**87
90%
Hodgdon Superperformance
<<locked>>
81%
49676
71%
**58
99%
Hodgdon TrailBoss
<<locked>>
81%
28123
40%
**21
100%
IMR 4350
<<locked>>
81%
45643
66%
**04
98%
IMR 4451 Enduron
<<locked>>
81%
51779
74%
**12
99%
IMR 4831
<<locked>>
81%
45063
65%
**07
100%
[IMR 4955 Enduron]*
<<locked>>
81%
39566
57%
**59
93%
[IMR 7828 SSC]*
<<locked>>
82%
34490
50%
**17
90%
Lovex S065
<<locked>>
81%
49008
70%
**49
99%
Lovex S070
<<locked>>
81%
47514
68%
**46
99%
[Lovex S071]*
<<locked>>
81%
29936
43%
**30
93%
Norma 204
<<locked>>
81%
45832
66%
**43
97%
[Norma 217]*
<<locked>>
92%
29747
43%
**21
90%
Norma MRP
<<locked>>
81%
37072
53%
**08
95%
Norma URP
<<locked>>
81%
46702
67%
**56
100%
[Ramshot Grand]*
<<locked>>
82%
34127
49%
**13
90%
Ramshot Hunter
<<locked>>
81%
45556
65%
**53
99%
[Ramshot Magnum]*
<<locked>>
81%
29573
42%
**66
90%
ReloadSwiss RS 14
<<locked>>
81%
28703
41%
**64
100%
ReloadSwiss RS 50
<<locked>>
81%
58015
83%
**10
100%
ReloadSwiss RS 60
<<locked>>
81%
56710
81%
**69
100%
ReloadSwiss RS 62
<<locked>>
81%
47747
69%
**89
100%
ReloadSwiss RS 70
<<locked>>
81%
46137
66%
**05
100%
[ReloadSwiss RS 76]*
<<locked>>
83%
29617
43%
**18
90%
[ReloadSwiss RS 80]*
<<locked>>
92%
37173
53%
**18
90%
Rottweil R 903
<<locked>>
81%
54897
79%
**54
100%
[Rottweil R 904]*
<<locked>>
81%
41147
59%
**18
94%
Rottweil R 905
<<locked>>
81%
38957
56%
**99
95%
Rottweil R 907
<<locked>>
81%
50227
72%
**89
99%
SNPE Vectan SP 11
<<locked>>
81%
56478
81%
**10
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
54752
79%
**23
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
48167
69%
**00
99%
SNPE Vectan Tubal 8000
<<locked>>
81%
38609
55%
**02
95%
Shooters World Long Rifle
<<locked>>
81%
49008
70%
**49
99%
Somchem S355
<<locked>>
81%
54578
78%
**41
100%
[Somchem S361]*
<<locked>>
81%
41800
60%
**89
93%
Somchem S365
<<locked>>
81%
43584
63%
**10
100%
Somchem S385
<<locked>>
81%
39392
57%
**79
96%
Vihtavuori N150
<<locked>>
81%
52286
75%
**69
100%
Vihtavuori N160
<<locked>>
81%
48182
69%
**53
100%
[Vihtavuori N165]*
<<locked>>
81%
34011
49%
**41
93%
Vihtavuori N550
<<locked>>
81%
47645
68%
**59
100%
Vihtavuori N555
<<locked>>
81%
37884
54%
**92
99%
[Vihtavuori N560]*
<<locked>>
81%
37304
54%
**99
91%
[Vihtavuori N565]*
<<locked>>
85%
34403
49%
**07
90%
[Vihtavuori N568]*
<<locked>>
92%
38740
56%
**48
90%
Winchester 6.5 StaBALL
<<locked>>
81%
47616
68%
**10
100%
Winchester 760
<<locked>>
81%
49632
71%
**31
99%
Winchester StaBALL HD
<<locked>>
81%
29544
42%
**03
99%
[Winchester Supreme 780]*
<<locked>>
81%
36013
52%
**94
93%

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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