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Load data for .338 Lapua Mag. Ackley Improved + .338 | 225gr | CutEdge LZR

Recommended Powder(s): Alliant Reloder-22, Bofors RP5, Norma MRP, Ramshot Grand, Ramshot Magnum

.338 Lapua Mag. Ackley Improved + .338 | 225gr | CutEdge LZR

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 225gr | CutEdge LZR
Manufacturer SKU:
LZR 338 225
Bullet Weight:
225gr | 14.6g
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_B8512_C452
Last updated:
2026-03-21
Recommended Twist Rate:
1:10 - 1:9

Load data for 166 loads in caliber .338 Lapua Mag. Ackley Improved with .338 | 225gr | CutEdge LZR bullet and 83 powders such as Alliant Reloder-22, Bofors RP5, Norma MRP, Ramshot Grand, Ramshot Magnum. 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%
**77
101%
ADI AR 2208
<<locked>>
83%
62279
89%
**87
100%
ADI AR 2209
<<locked>>
93%
62555
90%
**92
100%
ADI AR 2213
<<locked>>
96%
62569
90%
**35
100%
ADI AR 2217
<<locked>>
97%
46485
67%
**72
98%
ADI AR 2225
<<locked>>
97%
41626
60%
**23
99%
Accurate 2700
<<locked>>
84%
62627
90%
**77
100%
Accurate 3100
<<locked>>
96%
62642
90%
**27
100%
Accurate 4350
<<locked>>
88%
62627
90%
**43
100%
Accurate MAGPRO
<<locked>>
96%
62540
90%
**48
99%
Alliant Reloder-16
<<locked>>
89%
62540
90%
**86
100%
Alliant Reloder-17
<<locked>>
84%
62482
90%
**72
100%
Alliant Reloder-19
<<locked>>
93%
62265
89%
**86
100%
Alliant Reloder-22 👍
<<locked>>
96%
62468
90%
**18
100%
Alliant Reloder-23
<<locked>>
97%
61163
88%
**53
100%
Alliant Reloder-25
<<locked>>
97%
53200
76%
**10
100%
Alliant Reloder-26
<<locked>>
93%
62149
89%
**38
100%
[Alliant Reloder-33]*
<<locked>>
97%
42873
62%
**53
92%
Baschieri & Pellagri 109
<<locked>>
97%
61177
88%
**53
98%
Bofors RP15
<<locked>>
97%
58436
84%
**69
100%
Bofors RP30
<<locked>>
97%
49095
71%
**38
98%
Bofors RP5 👍
<<locked>>
96%
62468
90%
**18
100%
Bofors RP7
<<locked>>
87%
62511
90%
**23
100%
Hodgdon H1000
<<locked>>
97%
46485
67%
**72
98%
Hodgdon H414
<<locked>>
84%
62279
89%
**76
100%
Hodgdon H4350
<<locked>>
91%
62163
89%
**30
100%
Hodgdon H4831
<<locked>>
97%
58972
85%
**27
99%
Hodgdon H4831 SC
<<locked>>
95%
62004
89%
**69
99%
Hodgdon Hybrid 100V
<<locked>>
91%
62453
90%
**00
100%
Hodgdon LVR
<<locked>>
87%
62642
90%
**46
100%
Hodgdon Retumbo
<<locked>>
97%
41626
60%
**23
99%
Hodgdon Superperformance
<<locked>>
86%
62439
90%
**02
100%
Hodgdon VARGET
<<locked>>
84%
62279
89%
**87
100%
Hodgdon TrailBoss
<<locked>>
97%
35607
51%
**78
100%
IMR 4064
<<locked>>
84%
62250
89%
**77
100%
IMR 4166 Enduron
<<locked>>
85%
62178
89%
**97
100%
IMR 4350
<<locked>>
90%
62279
89%
**33
100%
IMR 4451 Enduron
<<locked>>
86%
62221
89%
**17
100%
IMR 4831
<<locked>>
93%
62366
90%
**30
100%
IMR 4955 Enduron
<<locked>>
96%
62337
90%
**46
99%
IMR 7828 SSC
<<locked>>
95%
62526
90%
**38
100%
[IMR 7977 Enduron]*
<<locked>>
97%
54665
79%
**82
92%
IMR 8133 Enduron
<<locked>>
97%
37565
54%
**28
95%
Lovex S065
<<locked>>
88%
62511
90%
**00
100%
Lovex S070
<<locked>>
88%
62323
90%
**27
100%
Lovex S071
<<locked>>
97%
53156
76%
**05
100%
Norma 204
<<locked>>
89%
62250
89%
**69
100%
Norma 217
<<locked>>
97%
37347
54%
**41
97%
Norma MRP 👍
<<locked>>
94%
62337
90%
**38
100%
Norma URP
<<locked>>
88%
62018
89%
**40
100%
Ramshot Grand 👍
<<locked>>
93%
62366
90%
**45
100%
Ramshot Hunter
<<locked>>
89%
62192
89%
**69
100%
Ramshot Magnum 👍
<<locked>>
96%
62424
90%
**95
100%
ReloadSwiss RS 14
<<locked>>
97%
36347
52%
**21
100%
ReloadSwiss RS 62
<<locked>>
87%
62149
89%
**63
100%
ReloadSwiss RS 70
<<locked>>
88%
62105
89%
**02
100%
ReloadSwiss RS 76
<<locked>>
97%
52272
75%
**66
100%
ReloadSwiss RS 80
<<locked>>
97%
47239
68%
**44
97%
Rottweil R 903
<<locked>>
84%
62091
89%
**87
100%
Rottweil R 904
<<locked>>
93%
62366
90%
**46
100%
Rottweil R 905
<<locked>>
93%
62018
89%
**76
100%
Rottweil R 907
<<locked>>
87%
62511
90%
**23
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
62279
89%
**59
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
62192
89%
**67
100%
Shooters World Long Rifle
<<locked>>
88%
62511
90%
**00
100%
Somchem S355
<<locked>>
84%
62120
89%
**87
100%
Somchem S361
<<locked>>
92%
62569
90%
**17
99%
Somchem S365
<<locked>>
90%
62613
90%
**36
100%
Somchem S385
<<locked>>
94%
62526
90%
**49
100%
Vihtavuori N135
<<locked>>
85%
62569
90%
**92
100%
Vihtavuori N150
<<locked>>
89%
62497
90%
**38
100%
Vihtavuori N160
<<locked>>
86%
62642
90%
**10
100%
Vihtavuori N165
<<locked>>
97%
58682
84%
**84
100%
Vihtavuori N550
<<locked>>
86%
62076
89%
**49
100%
Vihtavuori N555
<<locked>>
94%
62453
90%
**63
100%
Vihtavuori N560
<<locked>>
96%
62584
90%
**54
99%
Vihtavuori N565
<<locked>>
97%
55216
79%
**17
99%
Vihtavuori N568
<<locked>>
97%
48936
70%
**54
96%
[Vihtavuori N570]*
<<locked>>
97%
46470
67%
**31
93%
Winchester 6.5 StaBALL
<<locked>>
88%
62308
90%
**67
100%
Winchester 760
<<locked>>
84%
62279
89%
**76
100%
Winchester StaBALL HD
<<locked>>
97%
60191
86%
**35
100%
Winchester Supreme 780
<<locked>>
92%
62569
90%
**46
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
81%
60278
87%
**47
101%
ADI AR 2208
<<locked>>
81%
57827
83%
**25
100%
ADI AR 2209
<<locked>>
81%
41452
60%
**35
97%
[ADI AR 2213]*
<<locked>>
81%
36840
53%
**62
94%
[ADI AR 2217]*
<<locked>>
84%
30037
43%
**75
90%
[ADI AR 2225]*
<<locked>>
82%
25570
37%
**67
90%
Accurate 2700
<<locked>>
81%
55941
80%
**79
100%
Accurate 3100
<<locked>>
81%
36825
53%
**03
98%
Accurate 4350
<<locked>>
81%
49661
71%
**59
100%
[Accurate MAGPRO]*
<<locked>>
81%
35955
52%
**52
91%
Alliant Reloder-16
<<locked>>
81%
47601
68%
**69
100%
Alliant Reloder-17
<<locked>>
81%
55593
80%
**84
100%
Alliant Reloder-19
<<locked>>
81%
41437
60%
**31
97%
Alliant Reloder-22
<<locked>>
81%
37043
53%
**75
96%
Alliant Reloder-23
<<locked>>
81%
35621
51%
**30
100%
Alliant Reloder-25
<<locked>>
81%
30777
44%
**38
97%
Alliant Reloder-26
<<locked>>
81%
39421
57%
**77
100%
[Alliant Reloder-33]*
<<locked>>
94%
38334
55%
**44
90%
[Baschieri & Pellagri 109]*
<<locked>>
81%
37275
54%
**97
90%
Bofors RP15
<<locked>>
81%
34360
49%
**07
95%
[Bofors RP30]*
<<locked>>
82%
28689
41%
**79
90%
Bofors RP5
<<locked>>
81%
37043
53%
**75
96%
Bofors RP7
<<locked>>
81%
52141
75%
**66
100%
[Hodgdon H1000]*
<<locked>>
84%
30037
43%
**75
90%
Hodgdon H414
<<locked>>
81%
56173
81%
**84
100%
Hodgdon H4350
<<locked>>
81%
45150
65%
**57
99%
[Hodgdon H4831]*
<<locked>>
81%
34606
50%
**57
92%
[Hodgdon H4831 SC]*
<<locked>>
81%
38740
56%
**62
94%
Hodgdon Hybrid 100V
<<locked>>
81%
44846
64%
**51
100%
Hodgdon LVR
<<locked>>
81%
52112
75%
**99
100%
[Hodgdon Retumbo]*
<<locked>>
82%
25570
37%
**67
90%
Hodgdon Superperformance
<<locked>>
81%
51735
74%
**48
100%
Hodgdon VARGET
<<locked>>
81%
57232
82%
**18
100%
Hodgdon TrailBoss
<<locked>>
81%
28297
41%
**31
100%
IMR 4064
<<locked>>
81%
56565
81%
**05
100%
IMR 4166 Enduron
<<locked>>
81%
54955
79%
**92
100%
IMR 4350
<<locked>>
81%
47413
68%
**03
99%
IMR 4451 Enduron
<<locked>>
81%
53548
77%
**92
100%
IMR 4831
<<locked>>
81%
42583
61%
**25
100%
[IMR 4955 Enduron]*
<<locked>>
81%
38725
56%
**23
94%
[IMR 7828 SSC]*
<<locked>>
81%
37782
54%
**95
94%
[IMR 7977 Enduron]*
<<locked>>
93%
47674
68%
**61
90%
[IMR 8133 Enduron]*
<<locked>>
90%
29399
42%
**05
90%
Lovex S065
<<locked>>
81%
50836
73%
**36
100%
Lovex S070
<<locked>>
81%
49255
71%
**26
100%
Lovex S071
<<locked>>
81%
31575
45%
**82
97%
Norma 204
<<locked>>
81%
47776
69%
**40
98%
[Norma 217]*
<<locked>>
86%
25831
37%
**10
90%
Norma MRP
<<locked>>
81%
38943
56%
**41
98%
Norma URP
<<locked>>
81%
48588
70%
**46
100%
Ramshot Grand
<<locked>>
81%
39465
57%
**48
96%
Ramshot Hunter
<<locked>>
81%
47543
68%
**46
100%
Ramshot Magnum
<<locked>>
81%
34229
49%
**00
96%
ReloadSwiss RS 14
<<locked>>
81%
28993
42%
**70
100%
ReloadSwiss RS 62
<<locked>>
81%
49777
72%
**82
100%
ReloadSwiss RS 70
<<locked>>
81%
48182
69%
**99
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
28950
42%
**18
93%
[ReloadSwiss RS 80]*
<<locked>>
87%
32808
47%
**13
90%
Rottweil R 903
<<locked>>
81%
56942
82%
**12
100%
Rottweil R 904
<<locked>>
81%
42714
61%
**21
96%
Rottweil R 905
<<locked>>
81%
40756
59%
**18
97%
Rottweil R 907
<<locked>>
81%
52141
75%
**66
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
56594
81%
**84
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
49850
72%
**87
100%
Shooters World Long Rifle
<<locked>>
81%
50836
73%
**36
100%
Somchem S355
<<locked>>
81%
56405
81%
**08
100%
Somchem S361
<<locked>>
81%
43439
62%
**05
96%
Somchem S365
<<locked>>
81%
45643
66%
**94
100%
Somchem S385
<<locked>>
81%
41133
59%
**98
98%
Vihtavuori N135
<<locked>>
81%
54520
78%
**94
100%
Vihtavuori N150
<<locked>>
81%
48602
70%
**57
100%
Vihtavuori N160
<<locked>>
81%
52112
75%
**66
100%
Vihtavuori N165
<<locked>>
81%
34592
50%
**51
96%
Vihtavuori N550
<<locked>>
81%
52953
76%
**22
100%
Vihtavuori N555
<<locked>>
81%
39798
57%
**08
100%
[Vihtavuori N560]*
<<locked>>
81%
37159
53%
**85
94%
[Vihtavuori N565]*
<<locked>>
81%
31676
46%
**34
91%
[Vihtavuori N568]*
<<locked>>
87%
33576
48%
**20
90%
[Vihtavuori N570]*
<<locked>>
92%
39537
57%
**84
90%
Winchester 6.5 StaBALL
<<locked>>
81%
49414
71%
**00
100%
Winchester 760
<<locked>>
81%
56173
81%
**84
100%
Winchester StaBALL HD
<<locked>>
81%
31865
46%
**56
100%
Winchester Supreme 780
<<locked>>
81%
41205
59%
**95
97%

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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