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Load data for .338 Lapua Mag. + .338 | 185gr | Barnes X BT

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Recommended Powder(s):

.338 Lapua Mag. + .338 | 185gr | Barnes X BT

Load Specifications

Bullet:
.338 | 185gr | Barnes X BT
Manufacturer SKU:
33881
Bullet Weight:
185gr | 12.0g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.205" | 30.6mm
Caliber:
.338 Lapua Mag.
Case Length (l3):
2.724" | 69.2mm
Cartridge Length (C.O.L.):
3.626" | 92.1mm
Seated Depth:
0.303" | 7.7mm
Shank Seated Depth:
0.178" | 4.5mm
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_B661_C454
Recommended Twist Rate:
1:16 - 1:13

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 124 loads in caliber .338 Lapua Mag. with .338 | 185gr | Barnes X BT bullet and 62 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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    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>>
93%
54708
90%
**68
98%
ADI AR 2213
<<locked>>
96%
54607
90%
**97
96%
[ADI AR 2217]*
<<locked>>
97%
42018
69%
**18
92%
ADI AR 2225
<<locked>>
97%
38029
62%
**85
95%
Accurate 3100
<<locked>>
95%
54607
90%
**12
99%
Accurate 4350
<<locked>>
86%
54592
90%
**45
100%
[Accurate MAGPRO]*
<<locked>>
96%
54114
89%
**94
94%
Alliant Reloder-16
<<locked>>
89%
54621
90%
**94
100%
Alliant Reloder-17
<<locked>>
84%
54679
90%
**00
100%
Alliant Reloder-19
<<locked>>
93%
54752
90%
**68
98%
Alliant Reloder-22
<<locked>>
96%
54752
90%
**07
98%
Alliant Reloder-23 👍
<<locked>>
97%
53606
88%
**74
100%
Alliant Reloder-25
<<locked>>
97%
47094
77%
**02
99%
Alliant Reloder-26 👍
<<locked>>
94%
54810
90%
**69
100%
[Hodgdon H1000]*
<<locked>>
97%
42018
69%
**18
92%
Hodgdon H414
<<locked>>
83%
54259
89%
**54
99%
Hodgdon H4350
<<locked>>
90%
54795
90%
**12
98%
Hodgdon H4831
<<locked>>
97%
52054
85%
**92
95%
Hodgdon H4831 SC
<<locked>>
95%
54636
90%
**38
96%
Hodgdon Hybrid 100V
<<locked>>
90%
54244
89%
**99
100%
Hodgdon LVR
<<locked>>
85%
54665
90%
**45
100%
Hodgdon Retumbo
<<locked>>
97%
38029
62%
**85
95%
Hodgdon Superperformance
<<locked>>
86%
54795
90%
**00
99%
Hodgdon TrailBoss
<<locked>>
97%
35621
58%
**13
100%
IMR 4350
<<locked>>
88%
54230
89%
**05
98%
IMR 4451 Enduron
<<locked>>
84%
54346
89%
**89
99%
IMR 4831 👍
<<locked>>
91%
54346
89%
**25
100%
IMR 4955 Enduron
<<locked>>
95%
54766
90%
**09
96%
IMR 7828 SSC
<<locked>>
95%
54534
90%
**00
96%
Lovex S065
<<locked>>
86%
54665
90%
**89
100%
Lovex S070
<<locked>>
87%
54752
90%
**02
99%
Lovex S071
<<locked>>
97%
48704
80%
**13
99%
Norma 204
<<locked>>
88%
54650
90%
**48
97%
[Norma 217]*
<<locked>>
97%
34403
56%
**10
92%
Norma MRP
<<locked>>
94%
54549
90%
**33
99%
Norma URP
<<locked>>
87%
54099
89%
**45
100%
Ramshot Hunter
<<locked>>
88%
54665
90%
**61
99%
Ramshot Magnum
<<locked>>
96%
54665
90%
**87
99%
ReloadSwiss RS 14
<<locked>>
97%
36376
60%
**59
100%
ReloadSwiss RS 60
<<locked>>
85%
54157
89%
**14
100%
ReloadSwiss RS 62
<<locked>>
87%
54650
90%
**64
100%
ReloadSwiss RS 70
<<locked>>
88%
54636
90%
**17
100%
ReloadSwiss RS 76
<<locked>>
97%
46050
76%
**09
98%
Rottweil R 904
<<locked>>
92%
54723
90%
**15
96%
Rottweil R 905
<<locked>>
93%
54752
90%
**61
98%
Rottweil R 907
<<locked>>
85%
54563
90%
**82
98%
SNPE Vectan Tubal 7000
<<locked>>
86%
54766
90%
**43
99%
Shooters World Long Rifle
<<locked>>
86%
54665
90%
**89
100%
Somchem S361
<<locked>>
90%
54317
89%
**69
96%
Somchem S365
<<locked>>
90%
54650
90%
**61
100%
Somchem S385
<<locked>>
92%
54679
90%
**18
98%
Vihtavuori N135
<<locked>>
83%
54810
90%
**07
100%
Vihtavuori N150
<<locked>>
87%
54563
90%
**43
100%
Vihtavuori N160
<<locked>>
85%
54433
89%
**02
100%
Vihtavuori N165
<<locked>>
97%
52286
86%
**69
98%
Vihtavuori N550
<<locked>>
85%
54476
89%
**41
100%
Vihtavuori N555 👍
<<locked>>
94%
54665
90%
**74
100%
Vihtavuori N560
<<locked>>
96%
54636
90%
**27
96%
Vihtavuori N565
<<locked>>
97%
49139
81%
**99
95%
Winchester 6.5 StaBALL
<<locked>>
87%
54679
90%
**86
100%
Winchester 760
<<locked>>
83%
54259
89%
**54
99%
Winchester StaBALL HD 👍
<<locked>>
97%
49211
81%
**30
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2209]*
<<locked>>
81%
38189
63%
**23
92%
[ADI AR 2213]*
<<locked>>
84%
37550
62%
**26
90%
[ADI AR 2217]*
<<locked>>
94%
38319
63%
**20
90%
[ADI AR 2225]*
<<locked>>
90%
31386
52%
**85
90%
Accurate 3100
<<locked>>
81%
35273
58%
**31
95%
Accurate 4350
<<locked>>
81%
46166
76%
**87
99%
[Accurate MAGPRO]*
<<locked>>
88%
42366
70%
**64
90%
Alliant Reloder-16
<<locked>>
81%
43105
71%
**81
99%
Alliant Reloder-17
<<locked>>
81%
49284
81%
**12
100%
[Alliant Reloder-19]*
<<locked>>
81%
38290
63%
**33
93%
[Alliant Reloder-22]*
<<locked>>
81%
34345
56%
**64
91%
Alliant Reloder-23
<<locked>>
81%
33199
54%
**44
98%
[Alliant Reloder-25]*
<<locked>>
81%
29515
48%
**36
92%
Alliant Reloder-26
<<locked>>
81%
36013
59%
**82
97%
[Hodgdon H1000]*
<<locked>>
94%
38319
63%
**20
90%
Hodgdon H414
<<locked>>
81%
50966
84%
**95
98%
Hodgdon H4350
<<locked>>
81%
41669
68%
**53
95%
[Hodgdon H4831]*
<<locked>>
86%
38435
63%
**00
90%
[Hodgdon H4831 SC]*
<<locked>>
83%
38435
63%
**00
90%
Hodgdon Hybrid 100V
<<locked>>
81%
41147
68%
**69
100%
Hodgdon LVR
<<locked>>
81%
47732
78%
**17
99%
[Hodgdon Retumbo]*
<<locked>>
90%
31386
52%
**85
90%
Hodgdon Superperformance
<<locked>>
81%
46035
76%
**36
97%
Hodgdon TrailBoss
<<locked>>
81%
28340
47%
**52
100%
IMR 4350
<<locked>>
81%
43627
72%
**02
96%
IMR 4451 Enduron
<<locked>>
81%
49617
81%
**10
98%
IMR 4831
<<locked>>
81%
39943
66%
**43
98%
[IMR 4955 Enduron]*
<<locked>>
82%
37391
61%
**48
90%
[IMR 7828 SSC]*
<<locked>>
83%
37246
61%
**33
90%
Lovex S065
<<locked>>
81%
47500
78%
**61
99%
Lovex S070
<<locked>>
81%
46180
76%
**48
98%
[Lovex S071]*
<<locked>>
81%
30748
50%
**07
93%
Norma 204
<<locked>>
81%
43584
72%
**28
95%
[Norma 217]*
<<locked>>
94%
31502
52%
**28
90%
[Norma MRP]*
<<locked>>
81%
35665
59%
**33
94%
Norma URP
<<locked>>
81%
44556
73%
**64
99%
Ramshot Hunter
<<locked>>
81%
43453
71%
**54
98%
[Ramshot Magnum]*
<<locked>>
81%
32213
53%
**82
90%
ReloadSwiss RS 14
<<locked>>
81%
29167
48%
**98
100%
ReloadSwiss RS 60
<<locked>>
81%
47558
78%
**99
100%
ReloadSwiss RS 62
<<locked>>
81%
45310
74%
**90
99%
ReloadSwiss RS 70
<<locked>>
81%
43381
71%
**04
99%
[ReloadSwiss RS 76]*
<<locked>>
85%
32024
53%
**25
90%
[Rottweil R 904]*
<<locked>>
81%
39523
65%
**13
92%
[Rottweil R 905]*
<<locked>>
81%
37739
62%
**10
93%
Rottweil R 907
<<locked>>
81%
48660
80%
**81
97%
SNPE Vectan Tubal 7000
<<locked>>
81%
46775
77%
**05
98%
Shooters World Long Rifle
<<locked>>
81%
47500
78%
**61
99%
[Somchem S361]*
<<locked>>
81%
40567
67%
**03
91%
Somchem S365
<<locked>>
81%
41495
68%
**31
100%
[Somchem S385]*
<<locked>>
81%
38392
63%
**97
94%
Vihtavuori N135
<<locked>>
81%
51111
84%
**54
100%
Vihtavuori N150
<<locked>>
81%
45324
74%
**89
100%
Vihtavuori N160
<<locked>>
81%
47688
78%
**84
99%
[Vihtavuori N165]*
<<locked>>
81%
32445
53%
**36
91%
Vihtavuori N550
<<locked>>
81%
48631
80%
**43
99%
Vihtavuori N555
<<locked>>
81%
37289
61%
**36
98%
[Vihtavuori N560]*
<<locked>>
85%
38624
63%
**82
90%
[Vihtavuori N565]*
<<locked>>
88%
37217
61%
**40
90%
Winchester 6.5 StaBALL
<<locked>>
81%
44817
74%
**15
100%
Winchester 760
<<locked>>
81%
50966
84%
**95
98%
Winchester StaBALL HD
<<locked>>
81%
30052
49%
**44
98%

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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