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Load data for .338 Lapua Mag. + .338 | 300gr | Berger Hybrid OTM Tactical

Recommended Powder(s): Accurate MAGPRO, IMR 7828 SSC, ReloadSwiss RS 76, Vihtavuori N560, Vihtavuori N565

.338 Lapua Mag. + .338 | 300gr | Berger Hybrid OTM Tactical

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 300gr | Berger Hybrid OTM Tactical
Manufacturer SKU:
33109
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.819" | 46.2mm
Caliber:
.338 Lapua Mag. load data
Case Length (l3):
2.724" | 69.2mm
Cartridge Length (C.O.L.):
3.626" | 92.1mm
Seated Depth:
0.917" | 23.3mm
Shank Seated Depth:
0.607" | 15.4mm
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_B1141_C454
Last updated:
2025-02-02
Recommended Twist Rate:
1:11 - 1:9

Load data for 98 loads in caliber .338 Lapua Mag. with .338 | 300gr | Berger Hybrid OTM Tactical bullet and 49 powders such as Accurate MAGPRO, IMR 7828 SSC, ReloadSwiss RS 76, Vihtavuori N560, Vihtavuori N565. 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. 28.3 fps

  • .

    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.

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>>
87%
54462
89%
**67
100%
ADI AR 2213
<<locked>>
90%
54418
89%
**03
100%
ADI AR 2217
<<locked>>
97%
49501
81%
**41
100%
ADI AR 2218
<<locked>>
97%
42279
69%
**92
95%
ADI AR 2225
<<locked>>
97%
44483
73%
**15
100%
Accurate 3100
<<locked>>
90%
54375
89%
**15
100%
Accurate MAGPRO 👍
<<locked>>
91%
54418
89%
**23
99%
Alliant Reloder-16
<<locked>>
83%
54636
90%
**51
100%
Alliant Reloder-19
<<locked>>
88%
54665
90%
**64
100%
Alliant Reloder-22
<<locked>>
90%
54592
90%
**00
100%
Alliant Reloder-23
<<locked>>
92%
54476
89%
**48
100%
Alliant Reloder-25
<<locked>>
96%
54549
90%
**16
100%
Alliant Reloder-26
<<locked>>
88%
54694
90%
**23
100%
Alliant Reloder-33
<<locked>>
97%
45832
75%
**57
96%
[Alliant Reloder-50]*
<<locked>>
97%
38276
63%
**16
93%
Hodgdon H1000
<<locked>>
97%
49501
81%
**41
100%
Hodgdon H4350
<<locked>>
85%
54607
90%
**08
100%
Hodgdon H4831
<<locked>>
93%
54781
90%
**57
100%
Hodgdon H4831 SC
<<locked>>
89%
54781
90%
**57
100%
Hodgdon Hybrid 100V
<<locked>>
85%
54418
89%
**75
100%
Hodgdon Retumbo
<<locked>>
97%
44483
73%
**15
100%
IMR 4350
<<locked>>
84%
54636
90%
**05
100%
IMR 4831
<<locked>>
87%
54694
90%
**05
100%
IMR 4955 Enduron
<<locked>>
90%
54781
90%
**28
100%
IMR 7828 SSC 👍
<<locked>>
90%
54578
90%
**13
100%
IMR 7977 Enduron
<<locked>>
95%
54157
89%
**92
95%
IMR 8133 Enduron
<<locked>>
97%
40611
67%
**39
98%
[Lovex D100]*
<<locked>>
97%
48863
80%
**59
92%
Lovex S071
<<locked>>
96%
54578
90%
**15
100%
Norma 204
<<locked>>
83%
54795
90%
**51
100%
Norma 217
<<locked>>
97%
40872
67%
**62
100%
Norma MRP
<<locked>>
89%
54592
90%
**16
100%
Ramshot Hunter
<<locked>>
83%
54752
90%
**51
100%
Ramshot Magnum
<<locked>>
91%
54389
89%
**87
100%
ReloadSwiss RS 76 👍
<<locked>>
96%
54346
89%
**92
100%
ReloadSwiss RS 80
<<locked>>
97%
50343
83%
**13
99%
Rottweil R 904
<<locked>>
87%
54244
89%
**21
100%
Rottweil R 905
<<locked>>
88%
54244
89%
**57
100%
Somchem S361
<<locked>>
86%
54418
89%
**08
99%
Somchem S365
<<locked>>
84%
54404
89%
**08
100%
Somchem S385
<<locked>>
88%
54607
90%
**31
100%
Vihtavuori N165
<<locked>>
93%
54534
90%
**21
100%
Vihtavuori N170
<<locked>>
97%
46383
76%
**36
95%
Vihtavuori N555
<<locked>>
88%
54418
89%
**38
100%
Vihtavuori N560 👍
<<locked>>
90%
54708
90%
**26
100%
Vihtavuori N565 👍
<<locked>>
95%
54766
90%
**16
100%
Vihtavuori N568
<<locked>>
97%
51996
85%
**20
99%
Vihtavuori N570
<<locked>>
97%
49617
81%
**20
97%
Winchester StaBALL HD
<<locked>>
92%
54317
89%
**36
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
44150
72%
**10
99%
ADI AR 2213
<<locked>>
81%
39450
65%
**67
98%
[ADI AR 2217]*
<<locked>>
81%
29414
48%
**44
94%
[ADI AR 2218]*
<<locked>>
91%
34490
57%
**11
90%
ADI AR 2225
<<locked>>
81%
26716
44%
**11
96%
Accurate 3100
<<locked>>
81%
40001
66%
**01
100%
Accurate MAGPRO
<<locked>>
81%
38943
64%
**67
96%
Alliant Reloder-16
<<locked>>
81%
50865
84%
**02
100%
Alliant Reloder-19
<<locked>>
81%
44135
72%
**10
99%
Alliant Reloder-22
<<locked>>
81%
39856
65%
**67
99%
Alliant Reloder-23
<<locked>>
81%
38566
63%
**18
100%
Alliant Reloder-25
<<locked>>
81%
33272
55%
**69
100%
Alliant Reloder-26
<<locked>>
81%
42801
70%
**56
100%
[Alliant Reloder-33]*
<<locked>>
86%
31502
52%
**56
90%
[Alliant Reloder-50]*
<<locked>>
92%
32242
53%
**85
90%
[Hodgdon H1000]*
<<locked>>
81%
29414
48%
**44
94%
Hodgdon H4350
<<locked>>
81%
47732
78%
**13
100%
Hodgdon H4831
<<locked>>
81%
37217
61%
**75
96%
Hodgdon H4831 SC
<<locked>>
81%
41452
68%
**54
97%
Hodgdon Hybrid 100V
<<locked>>
81%
47935
79%
**93
100%
Hodgdon Retumbo
<<locked>>
81%
26716
44%
**11
96%
IMR 4350
<<locked>>
81%
49879
82%
**46
100%
IMR 4831
<<locked>>
81%
45513
75%
**83
100%
IMR 4955 Enduron
<<locked>>
81%
41002
67%
**11
97%
IMR 7828 SSC
<<locked>>
81%
40393
66%
**93
98%
[IMR 7977 Enduron]*
<<locked>>
85%
39827
65%
**56
90%
[IMR 8133 Enduron]*
<<locked>>
81%
24265
40%
**46
90%
[Lovex D100]*
<<locked>>
94%
43584
72%
**80
90%
Lovex S071
<<locked>>
81%
34505
57%
**03
99%
Norma 204
<<locked>>
81%
50633
83%
**92
100%
[Norma 217]*
<<locked>>
81%
24192
40%
**62
93%
Norma MRP
<<locked>>
81%
42119
69%
**33
100%
Ramshot Hunter
<<locked>>
81%
50531
83%
**92
100%
Ramshot Magnum
<<locked>>
81%
37086
61%
**21
99%
ReloadSwiss RS 76
<<locked>>
81%
31531
52%
**78
98%
[ReloadSwiss RS 80]*
<<locked>>
81%
28500
47%
**73
91%
Rottweil R 904
<<locked>>
81%
45237
74%
**90
99%
Rottweil R 905
<<locked>>
81%
43526
71%
**97
99%
Somchem S361
<<locked>>
81%
46079
76%
**87
98%
Somchem S365
<<locked>>
81%
48878
80%
**43
100%
Somchem S385
<<locked>>
81%
44208
73%
**83
100%
Vihtavuori N165
<<locked>>
81%
37347
61%
**56
99%
[Vihtavuori N170]*
<<locked>>
88%
34998
57%
**23
90%
Vihtavuori N555
<<locked>>
81%
43250
71%
**87
100%
Vihtavuori N560
<<locked>>
81%
40016
66%
**87
97%
Vihtavuori N565
<<locked>>
81%
34519
57%
**69
96%
[Vihtavuori N568]*
<<locked>>
81%
29820
49%
**00
92%
[Vihtavuori N570]*
<<locked>>
85%
32503
53%
**82
90%
Winchester StaBALL HD
<<locked>>
81%
35476
58%
**70
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.

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