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Load data for .338 Lapua Mag. + .338 | 250gr | Barnes X S

Recommended Powder(s):

.338 Lapua Mag. + .338 | 250gr | Barnes X S

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 250gr | Barnes X S
Manufacturer SKU:
33890
Bullet Weight:
250gr | 16.2g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.495" | 38.0mm
Caliber:
.338 Lapua Mag. load data
Case Length (l3):
2.724" | 69.2mm
Cartridge Length (C.O.L.):
3.626" | 92.1mm
Seated Depth:
0.593" | 15.1mm
Shank Seated Depth:
0.593" | 15.1mm
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_B682_C454
Last updated:
2025-01-01

Load data for 96 loads in caliber .338 Lapua Mag. with .338 | 250gr | Barnes X S bullet and 48 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 AR 2209
<<locked>>
88%
54752
90%
**90
100%
ADI AR 2213 👍
<<locked>>
91%
54114
89%
**13
99%
ADI AR 2217
<<locked>>
97%
49385
81%
**41
99%
ADI AR 2225
<<locked>>
97%
44889
74%
**21
100%
Accurate 3100
<<locked>>
90%
54766
90%
**31
100%
Accurate MAGPRO
<<locked>>
91%
54752
90%
**36
98%
Alliant Reloder-16
<<locked>>
83%
54592
90%
**77
100%
Alliant Reloder-19
<<locked>>
88%
54592
90%
**77
100%
Alliant Reloder-22 👍
<<locked>>
91%
54694
90%
**20
100%
Alliant Reloder-23
<<locked>>
92%
54462
89%
**71
100%
Alliant Reloder-25
<<locked>>
96%
54549
90%
**43
100%
Alliant Reloder-26
<<locked>>
87%
54563
90%
**49
100%
[Alliant Reloder-33]*
<<locked>>
97%
46775
77%
**61
94%
Hodgdon H1000
<<locked>>
97%
49385
81%
**41
99%
Hodgdon H4350
<<locked>>
85%
54810
90%
**28
100%
Hodgdon H4831
<<locked>>
93%
54549
90%
**61
98%
Hodgdon H4831 SC
<<locked>>
90%
54810
90%
**71
99%
Hodgdon Hybrid 100V
<<locked>>
85%
54708
90%
**02
100%
Hodgdon Retumbo
<<locked>>
97%
44889
74%
**21
100%
IMR 4350
<<locked>>
84%
54418
89%
**25
100%
IMR 4831
<<locked>>
87%
54708
90%
**28
100%
IMR 4955 Enduron
<<locked>>
90%
54375
89%
**31
99%
IMR 7828 SSC 👍
<<locked>>
90%
54491
89%
**33
99%
[IMR 7977 Enduron]*
<<locked>>
95%
54317
89%
**82
92%
IMR 8133 Enduron
<<locked>>
97%
41611
68%
**43
97%
Lovex S071
<<locked>>
95%
54172
89%
**18
100%
Norma 204
<<locked>>
83%
54331
89%
**57
99%
Norma 217
<<locked>>
97%
41669
68%
**69
99%
Norma MRP
<<locked>>
88%
54302
89%
**40
100%
Ramshot Hunter
<<locked>>
83%
54201
89%
**67
100%
Ramshot Magnum
<<locked>>
91%
54505
89%
**07
100%
ReloadSwiss RS 14
<<locked>>
96%
36999
61%
**77
100%
ReloadSwiss RS 70
<<locked>>
83%
54752
90%
**17
100%
ReloadSwiss RS 76 👍
<<locked>>
97%
54723
90%
**22
100%
ReloadSwiss RS 80
<<locked>>
97%
50923
84%
**33
98%
Rottweil R 904
<<locked>>
87%
54418
89%
**38
99%
Rottweil R 905
<<locked>>
88%
54447
89%
**77
100%
Somchem S361
<<locked>>
86%
54215
89%
**08
98%
Somchem S365
<<locked>>
84%
54331
89%
**35
100%
Somchem S385
<<locked>>
87%
54462
89%
**38
100%
Vihtavuori N165
<<locked>>
93%
54607
90%
**31
100%
[Vihtavuori N170]*
<<locked>>
97%
47282
78%
**36
93%
Vihtavuori N555
<<locked>>
88%
54592
90%
**61
100%
Vihtavuori N560 👍
<<locked>>
90%
54592
90%
**40
99%
Vihtavuori N565
<<locked>>
94%
54621
90%
**23
99%
Vihtavuori N568
<<locked>>
97%
51750
85%
**33
97%
Vihtavuori N570
<<locked>>
97%
49574
81%
**17
95%
Winchester StaBALL HD
<<locked>>
93%
54781
90%
**82
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
44454
73%
**13
98%
ADI AR 2213
<<locked>>
81%
40016
66%
**57
96%
[ADI AR 2217]*
<<locked>>
81%
30864
51%
**28
91%
[ADI AR 2225]*
<<locked>>
81%
28543
47%
**15
94%
Accurate 3100
<<locked>>
81%
42003
69%
**21
99%
[Accurate MAGPRO]*
<<locked>>
81%
39914
66%
**64
94%
Alliant Reloder-16
<<locked>>
81%
50705
83%
**21
100%
Alliant Reloder-19
<<locked>>
81%
44628
73%
**16
98%
Alliant Reloder-22
<<locked>>
81%
40770
67%
**74
97%
Alliant Reloder-23
<<locked>>
81%
39378
65%
**34
100%
Alliant Reloder-25
<<locked>>
81%
34621
57%
**75
99%
Alliant Reloder-26
<<locked>>
81%
43598
72%
**75
100%
[Alliant Reloder-33]*
<<locked>>
90%
37014
61%
**51
90%
[Hodgdon H1000]*
<<locked>>
81%
30864
51%
**28
91%
Hodgdon H4350
<<locked>>
81%
48109
79%
**20
99%
[Hodgdon H4831]*
<<locked>>
81%
38101
63%
**72
94%
Hodgdon H4831 SC
<<locked>>
81%
41959
69%
**44
96%
Hodgdon Hybrid 100V
<<locked>>
81%
48428
79%
**13
100%
[Hodgdon Retumbo]*
<<locked>>
81%
28543
47%
**15
94%
IMR 4350
<<locked>>
81%
50140
82%
**56
100%
IMR 4831
<<locked>>
81%
46615
77%
**03
100%
IMR 4955 Enduron
<<locked>>
81%
41727
68%
**15
96%
IMR 7828 SSC
<<locked>>
81%
41278
68%
**93
96%
[IMR 7977 Enduron]*
<<locked>>
90%
46746
77%
**61
90%
[IMR 8133 Enduron]*
<<locked>>
83%
28152
46%
**05
90%
Lovex S071
<<locked>>
81%
36738
60%
**20
99%
Norma 204
<<locked>>
81%
50778
83%
**02
99%
[Norma 217]*
<<locked>>
81%
26397
43%
**69
92%
Norma MRP
<<locked>>
81%
42728
70%
**39
99%
Ramshot Hunter
<<locked>>
81%
50488
83%
**08
100%
Ramshot Magnum
<<locked>>
81%
38305
63%
**25
98%
ReloadSwiss RS 14
<<locked>>
93%
35099
58%
**47
100%
ReloadSwiss RS 70
<<locked>>
81%
51082
84%
**61
100%
ReloadSwiss RS 76
<<locked>>
81%
33156
54%
**75
97%
[ReloadSwiss RS 80]*
<<locked>>
82%
31372
51%
**06
90%
Rottweil R 904
<<locked>>
81%
45803
75%
**90
97%
Rottweil R 905
<<locked>>
81%
44469
73%
**07
98%
Somchem S361
<<locked>>
81%
46688
77%
**84
97%
Somchem S365
<<locked>>
81%
49603
81%
**72
100%
Somchem S385
<<locked>>
81%
45208
74%
**90
99%
Vihtavuori N165
<<locked>>
81%
38145
63%
**52
97%
[Vihtavuori N170]*
<<locked>>
92%
40814
67%
**08
90%
Vihtavuori N555
<<locked>>
81%
44367
73%
**07
100%
Vihtavuori N560
<<locked>>
81%
40683
67%
**90
96%
[Vihtavuori N565]*
<<locked>>
81%
36187
59%
**75
94%
[Vihtavuori N568]*
<<locked>>
82%
32460
53%
**23
90%
[Vihtavuori N570]*
<<locked>>
89%
38189
63%
**84
90%
Winchester StaBALL HD
<<locked>>
81%
35955
59%
**80
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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