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Load data for .338 Lapua Mag. + .338 | 250gr | Berger Hybrid OTM

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Alliant Reloder-22, Norma MRP, Ramshot Magnum

.338 Lapua Mag. + .338 | 250gr | Berger Hybrid OTM

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 250gr | Berger Hybrid OTM
Manufacturer SKU:
33104
Bullet Weight:
250gr | 16.2g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.630" | 41.4mm
Caliber:
.338 Lapua Mag. load data
Case Length (l3):
2.724" | 69.2mm
Cartridge Length (C.O.L.):
3.626" | 92.1mm
Seated Depth:
0.728" | 18.5mm
Shank Seated Depth:
0.429" | 10.9mm
Case Capacity:
114.0 Grains of Water | 7.40 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
60916 psi | 4200 bar
LID:
LID_B1131_C454
Last updated:
2025-02-02
Recommended Twist Rate:
1:11 - 1:10

Load data for 120 loads in caliber .338 Lapua Mag. with .338 | 250gr | Berger Hybrid OTM bullet and 60 powders such as ADI AR 2209, Alliant Reloder-19, Alliant Reloder-22, Norma MRP, 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".

  • Muzzle velocity vs. barrel length

    Every 1 inch additional barrel length increases muzzle velocity by approx. 30.8 fps

  • 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 AR 2209 👍
<<locked>>
91%
54621
90%
**97
100%
ADI AR 2213
<<locked>>
94%
54447
89%
**40
99%
ADI AR 2217
<<locked>>
97%
44106
72%
**52
97%
ADI AR 2225
<<locked>>
97%
39566
65%
**26
99%
Accurate 3100
<<locked>>
94%
54679
90%
**51
100%
Accurate 4350
<<locked>>
85%
54505
89%
**57
100%
Accurate MAGPRO
<<locked>>
94%
54476
89%
**46
98%
Alliant Reloder-16
<<locked>>
87%
54795
90%
**00
100%
Alliant Reloder-19 👍
<<locked>>
91%
54491
89%
**90
100%
Alliant Reloder-22 👍
<<locked>>
94%
54433
89%
**30
100%
Alliant Reloder-23
<<locked>>
95%
54607
90%
**90
100%
Alliant Reloder-25
<<locked>>
97%
49487
81%
**87
100%
Alliant Reloder-26
<<locked>>
91%
54360
89%
**72
100%
Hodgdon H1000
<<locked>>
97%
44106
72%
**52
97%
Hodgdon H4350
<<locked>>
88%
54476
89%
**38
100%
Hodgdon H4831
<<locked>>
96%
54288
89%
**77
98%
Hodgdon H4831 SC
<<locked>>
92%
54723
90%
**80
98%
Hodgdon Hybrid 100V
<<locked>>
88%
54621
90%
**15
100%
Hodgdon LVR
<<locked>>
84%
54549
90%
**57
100%
Hodgdon Retumbo
<<locked>>
97%
39566
65%
**26
99%
Hodgdon Superperformance
<<locked>>
84%
54578
90%
**10
100%
IMR 4350
<<locked>>
87%
54795
90%
**38
100%
IMR 4831
<<locked>>
90%
54781
90%
**48
100%
IMR 4955 Enduron
<<locked>>
93%
54679
90%
**48
98%
IMR 7828 SSC
<<locked>>
93%
54462
89%
**49
99%
[IMR 7977 Enduron]*
<<locked>>
97%
52170
86%
**59
92%
[IMR 8133 Enduron]*
<<locked>>
97%
35534
58%
**34
94%
Lovex S065
<<locked>>
84%
54723
90%
**15
100%
Lovex S070
<<locked>>
85%
54462
89%
**31
100%
Lovex S071
<<locked>>
97%
50705
83%
**95
100%
Norma 204
<<locked>>
86%
54621
90%
**74
99%
Norma 217
<<locked>>
97%
35418
58%
**57
97%
Norma MRP 👍
<<locked>>
92%
54737
90%
**59
100%
Norma URP
<<locked>>
86%
54563
90%
**61
100%
Ramshot Hunter
<<locked>>
87%
54795
90%
**87
100%
Ramshot Magnum 👍
<<locked>>
95%
54824
90%
**26
100%
ReloadSwiss RS 14
<<locked>>
97%
36419
60%
**70
100%
ReloadSwiss RS 62
<<locked>>
85%
54737
90%
**84
100%
ReloadSwiss RS 70
<<locked>>
86%
54244
89%
**30
100%
ReloadSwiss RS 76
<<locked>>
97%
48559
80%
**30
100%
ReloadSwiss RS 80
<<locked>>
97%
44150
72%
**21
96%
Rottweil R 904
<<locked>>
90%
54737
90%
**51
99%
Rottweil R 905
<<locked>>
91%
54273
89%
**90
100%
Rottweil R 907
<<locked>>
83%
54491
89%
**15
100%
SNPE Vectan Tubal 7000
<<locked>>
85%
54418
89%
**79
100%
Shooters World Long Rifle
<<locked>>
84%
54723
90%
**15
100%
Somchem S361
<<locked>>
89%
54505
89%
**21
98%
Somchem S365
<<locked>>
88%
54302
89%
**54
100%
Somchem S385
<<locked>>
91%
54433
89%
**57
100%
Vihtavuori N150
<<locked>>
86%
54592
90%
**62
100%
Vihtavuori N160
<<locked>>
84%
54679
90%
**28
100%
Vihtavuori N165
<<locked>>
96%
54505
89%
**44
100%
Vihtavuori N550
<<locked>>
83%
54636
90%
**61
100%
Vihtavuori N555
<<locked>>
92%
54172
89%
**80
100%
Vihtavuori N560
<<locked>>
94%
54418
89%
**56
99%
Vihtavuori N565
<<locked>>
97%
52127
86%
**00
98%
Vihtavuori N568
<<locked>>
97%
45368
74%
**31
96%
[Vihtavuori N570]*
<<locked>>
97%
43192
71%
**15
92%
Winchester 6.5 StaBALL
<<locked>>
85%
54418
89%
**95
100%
Winchester StaBALL HD
<<locked>>
96%
54302
89%
**99
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
39653
65%
**38
97%
[ADI AR 2213]*
<<locked>>
81%
35462
58%
**75
94%
[ADI AR 2217]*
<<locked>>
84%
29443
48%
**08
90%
[ADI AR 2225]*
<<locked>>
82%
24845
41%
**16
90%
Accurate 3100
<<locked>>
81%
35389
58%
**20
98%
Accurate 4350
<<locked>>
81%
47500
78%
**56
100%
[Accurate MAGPRO]*
<<locked>>
81%
34389
56%
**69
91%
Alliant Reloder-16
<<locked>>
81%
45556
75%
**62
100%
Alliant Reloder-19
<<locked>>
81%
39595
65%
**34
97%
Alliant Reloder-22
<<locked>>
81%
35375
58%
**79
96%
Alliant Reloder-23
<<locked>>
81%
34127
56%
**49
100%
Alliant Reloder-25
<<locked>>
81%
29646
49%
**67
97%
Alliant Reloder-26
<<locked>>
81%
37130
61%
**74
100%
[Hodgdon H1000]*
<<locked>>
84%
29443
48%
**08
90%
Hodgdon H4350
<<locked>>
81%
43381
71%
**57
99%
[Hodgdon H4831]*
<<locked>>
81%
33402
55%
**77
92%
[Hodgdon H4831 SC]*
<<locked>>
81%
37275
61%
**72
94%
Hodgdon Hybrid 100V
<<locked>>
81%
43076
71%
**51
100%
Hodgdon LVR
<<locked>>
81%
49850
82%
**92
100%
[Hodgdon Retumbo]*
<<locked>>
82%
24845
41%
**16
90%
Hodgdon Superperformance
<<locked>>
81%
48805
80%
**25
100%
IMR 4350
<<locked>>
81%
45614
75%
**93
99%
IMR 4831
<<locked>>
81%
41046
67%
**28
100%
[IMR 4955 Enduron]*
<<locked>>
81%
37565
62%
**43
94%
[IMR 7828 SSC]*
<<locked>>
81%
36216
59%
**98
94%
[IMR 7977 Enduron]*
<<locked>>
94%
47369
78%
**84
90%
[IMR 8133 Enduron]*
<<locked>>
90%
28790
47%
**47
90%
Lovex S065
<<locked>>
81%
49182
81%
**30
100%
Lovex S070
<<locked>>
81%
47500
78%
**26
100%
Lovex S071
<<locked>>
81%
30632
50%
**08
96%
Norma 204
<<locked>>
81%
45643
75%
**36
98%
[Norma 217]*
<<locked>>
86%
24729
41%
**46
90%
Norma MRP
<<locked>>
81%
36927
61%
**44
98%
Norma URP
<<locked>>
81%
46572
76%
**43
100%
Ramshot Hunter
<<locked>>
81%
45542
75%
**39
100%
Ramshot Magnum
<<locked>>
81%
32648
54%
**16
95%
ReloadSwiss RS 14
<<locked>>
94%
34998
57%
**47
100%
ReloadSwiss RS 62
<<locked>>
81%
47572
78%
**75
100%
ReloadSwiss RS 70
<<locked>>
81%
45759
75%
**98
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
27876
46%
**44
93%
[ReloadSwiss RS 80]*
<<locked>>
88%
31894
52%
**49
90%
Rottweil R 904
<<locked>>
81%
41133
68%
**21
96%
Rottweil R 905
<<locked>>
81%
39015
64%
**25
97%
Rottweil R 907
<<locked>>
81%
50372
83%
**56
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
48269
79%
**87
100%
Shooters World Long Rifle
<<locked>>
81%
49182
81%
**30
100%
Somchem S361
<<locked>>
81%
41829
69%
**15
95%
Somchem S365
<<locked>>
81%
43656
72%
**03
100%
Somchem S385
<<locked>>
81%
39653
65%
**11
98%
Vihtavuori N150
<<locked>>
81%
46775
77%
**54
100%
Vihtavuori N160
<<locked>>
81%
49995
82%
**62
100%
Vihtavuori N165
<<locked>>
81%
33228
55%
**64
95%
Vihtavuori N550
<<locked>>
81%
50763
83%
**08
100%
Vihtavuori N555
<<locked>>
81%
38261
63%
**15
100%
[Vihtavuori N560]*
<<locked>>
81%
35491
58%
**95
93%
[Vihtavuori N565]*
<<locked>>
81%
30240
50%
**60
91%
[Vihtavuori N568]*
<<locked>>
87%
32924
54%
**59
90%
[Vihtavuori N570]*
<<locked>>
93%
38174
63%
**03
90%
Winchester 6.5 StaBALL
<<locked>>
81%
47268
78%
**97
100%
Winchester StaBALL HD
<<locked>>
81%
29631
49%
**72
100%

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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