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Load data for .338 Rem. Ultra Mag + .338 | 265gr | Barnes LRX BT

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

.338 Rem. Ultra Mag + .338 | 265gr | Barnes LRX BT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.338 | 265gr | Barnes LRX BT
Manufacturer SKU:
30434
Bullet Weight:
265gr | 17.2g
Bullet Diameter:
0.338" | 8.59mm
Bullet Length:
1.783" | 45.3mm
Caliber:
.338 Rem. Ultra Mag load data
Case Length (l3):
2.760" | 70.1mm
Cartridge Length (C.O.L.):
3.546" | 90.1mm
Seated Depth:
0.997" | 25.3mm
Shank Seated Depth:
0.800" | 20.3mm
Case Capacity:
110.0 Grains of Water | 7.14 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B687_C459
Last updated:
2025-02-02
Recommended Twist Rate:
1:11 - 1:9

Load data for 140 loads in caliber .338 Rem. Ultra Mag with .338 | 265gr | Barnes LRX BT bullet and 70 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. 27.1 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.

    .

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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>>
94%
57174
90%
**85
100%
ADI AR 2213
<<locked>>
97%
57087
89%
**25
99%
ADI AR 2217
<<locked>>
97%
41655
65%
**72
97%
ADI AR 2225
<<locked>>
97%
37115
58%
**39
98%
Accurate 2700
<<locked>>
84%
57014
89%
**64
100%
Accurate 3100
<<locked>>
97%
57188
90%
**36
100%
Accurate 4350
<<locked>>
88%
56739
89%
**39
100%
Accurate MAGPRO
<<locked>>
97%
55927
88%
**21
98%
Alliant Reloder-16
<<locked>>
90%
57174
90%
**82
100%
Alliant Reloder-17
<<locked>>
85%
57159
90%
**82
100%
Alliant Reloder-19 👍
<<locked>>
94%
57116
89%
**79
100%
Alliant Reloder-22 👍
<<locked>>
97%
56753
89%
**18
100%
Alliant Reloder-23
<<locked>>
97%
54404
85%
**43
100%
Alliant Reloder-25
<<locked>>
97%
46456
73%
**93
100%
Alliant Reloder-26
<<locked>>
94%
57392
90%
**61
100%
Hodgdon H1000
<<locked>>
97%
41655
65%
**72
97%
Hodgdon H414
<<locked>>
84%
56869
89%
**69
100%
Hodgdon H4350
<<locked>>
92%
57363
90%
**30
100%
Hodgdon H4831
<<locked>>
97%
52446
82%
**00
98%
Hodgdon H4831 SC
<<locked>>
95%
57014
89%
**66
99%
Hodgdon Hybrid 100V
<<locked>>
92%
57305
90%
**07
100%
Hodgdon LVR
<<locked>>
87%
57130
90%
**46
100%
Hodgdon Retumbo
<<locked>>
97%
37115
58%
**39
98%
Hodgdon Superperformance
<<locked>>
87%
57261
90%
**05
100%
Hodgdon VARGET
<<locked>>
83%
56869
89%
**84
100%
IMR 4064
<<locked>>
84%
56695
89%
**74
100%
IMR 4166 Enduron
<<locked>>
85%
56971
89%
**87
100%
IMR 4350
<<locked>>
90%
57377
90%
**30
100%
IMR 4451 Enduron
<<locked>>
86%
57232
90%
**10
100%
IMR 4831
<<locked>>
93%
57145
90%
**30
100%
IMR 4955 Enduron
<<locked>>
96%
57203
90%
**36
99%
IMR 7828 SSC
<<locked>>
96%
56869
89%
**31
99%
[IMR 8133 Enduron]*
<<locked>>
97%
33286
52%
**54
94%
Lovex S065
<<locked>>
87%
56927
89%
**93
100%
Lovex S070
<<locked>>
88%
57174
90%
**23
100%
Lovex S071
<<locked>>
97%
47558
75%
**08
100%
Norma 204
<<locked>>
89%
57087
89%
**66
100%
Norma 217
<<locked>>
97%
32967
52%
**74
96%
Norma MRP 👍
<<locked>>
95%
57261
90%
**51
100%
Norma URP
<<locked>>
89%
56898
89%
**46
100%
Ramshot Hunter
<<locked>>
89%
56884
89%
**66
100%
Ramshot Magnum 👍
<<locked>>
97%
55143
86%
**79
100%
ReloadSwiss RS 60
<<locked>>
86%
57421
90%
**98
100%
ReloadSwiss RS 62
<<locked>>
88%
57087
89%
**62
100%
ReloadSwiss RS 70
<<locked>>
89%
57029
89%
**15
100%
ReloadSwiss RS 76
<<locked>>
97%
45847
72%
**43
100%
ReloadSwiss RS 80
<<locked>>
97%
40770
64%
**31
95%
Rottweil R 903
<<locked>>
84%
57145
90%
**90
100%
Rottweil R 904
<<locked>>
93%
57421
90%
**43
99%
Rottweil R 905
<<locked>>
94%
56956
89%
**75
100%
Rottweil R 907
<<locked>>
86%
56927
89%
**10
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
57305
90%
**75
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
57377
90%
**74
100%
Shooters World Long Rifle
<<locked>>
87%
56927
89%
**93
100%
Somchem S355
<<locked>>
84%
57392
90%
**90
100%
Somchem S361
<<locked>>
92%
57261
90%
**13
99%
Somchem S365
<<locked>>
91%
56710
89%
**39
100%
Somchem S385
<<locked>>
94%
56971
89%
**46
100%
Vihtavuori N135
<<locked>>
85%
57290
90%
**02
100%
Vihtavuori N150
<<locked>>
89%
57406
90%
**54
100%
Vihtavuori N160
<<locked>>
87%
57334
90%
**16
100%
Vihtavuori N165
<<locked>>
97%
52794
83%
**80
100%
Vihtavuori N550
<<locked>>
86%
57000
89%
**46
100%
Vihtavuori N555
<<locked>>
95%
56869
89%
**69
100%
Vihtavuori N560
<<locked>>
97%
57087
89%
**48
99%
Vihtavuori N565
<<locked>>
97%
48994
77%
**13
98%
Vihtavuori N568
<<locked>>
97%
42554
67%
**44
95%
Winchester 6.5 StaBALL
<<locked>>
88%
57392
90%
**87
100%
Winchester 760
<<locked>>
84%
56869
89%
**69
100%
Winchester StaBALL HD
<<locked>>
97%
50473
79%
**08
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
37637
59%
**70
96%
[ADI AR 2213]*
<<locked>>
81%
33605
53%
**05
93%
[ADI AR 2217]*
<<locked>>
86%
29385
46%
**96
90%
[ADI AR 2225]*
<<locked>>
84%
24482
38%
**95
90%
Accurate 2700
<<locked>>
81%
51779
81%
**98
100%
Accurate 3100
<<locked>>
81%
33388
52%
**65
98%
Accurate 4350
<<locked>>
81%
45020
71%
**79
100%
[Accurate MAGPRO]*
<<locked>>
81%
32169
50%
**95
90%
Alliant Reloder-16
<<locked>>
81%
43149
68%
**85
100%
Alliant Reloder-17
<<locked>>
81%
49835
78%
**87
100%
Alliant Reloder-19
<<locked>>
81%
37608
59%
**70
96%
Alliant Reloder-22
<<locked>>
81%
33286
52%
**18
95%
Alliant Reloder-23
<<locked>>
81%
31995
50%
**92
100%
Alliant Reloder-25
<<locked>>
81%
28036
44%
**10
96%
Alliant Reloder-26
<<locked>>
81%
34708
54%
**10
99%
[Hodgdon H1000]*
<<locked>>
86%
29385
46%
**96
90%
Hodgdon H414
<<locked>>
81%
50894
80%
**90
100%
Hodgdon H4350
<<locked>>
81%
41423
65%
**87
98%
[Hodgdon H4831]*
<<locked>>
81%
31647
50%
**19
91%
[Hodgdon H4831 SC]*
<<locked>>
81%
35302
55%
**05
93%
Hodgdon Hybrid 100V
<<locked>>
81%
40625
64%
**80
100%
Hodgdon LVR
<<locked>>
81%
47500
74%
**15
100%
[Hodgdon Retumbo]*
<<locked>>
84%
24482
38%
**95
90%
Hodgdon Superperformance
<<locked>>
81%
46224
72%
**48
99%
Hodgdon VARGET
<<locked>>
81%
52953
83%
**34
100%
IMR 4064
<<locked>>
81%
52663
83%
**18
100%
IMR 4166 Enduron
<<locked>>
81%
51213
80%
**05
100%
IMR 4350
<<locked>>
81%
43511
68%
**26
99%
IMR 4451 Enduron
<<locked>>
81%
49559
78%
**05
100%
IMR 4831
<<locked>>
81%
38928
61%
**64
100%
[IMR 4955 Enduron]*
<<locked>>
81%
35795
56%
**82
94%
[IMR 7828 SSC]*
<<locked>>
81%
34301
54%
**31
93%
[IMR 8133 Enduron]*
<<locked>>
92%
28007
44%
**16
90%
Lovex S065
<<locked>>
81%
47094
74%
**65
100%
Lovex S070
<<locked>>
81%
45368
71%
**56
99%
Lovex S071
<<locked>>
81%
28732
45%
**57
96%
Norma 204
<<locked>>
81%
43308
68%
**56
98%
[Norma 217]*
<<locked>>
87%
24337
38%
**28
90%
Norma MRP
<<locked>>
81%
34867
55%
**80
97%
Norma URP
<<locked>>
81%
44382
70%
**75
100%
Ramshot Hunter
<<locked>>
81%
43134
68%
**69
100%
Ramshot Magnum
<<locked>>
81%
30661
48%
**49
95%
ReloadSwiss RS 60
<<locked>>
81%
47877
75%
**84
100%
ReloadSwiss RS 62
<<locked>>
81%
44976
70%
**98
100%
ReloadSwiss RS 70
<<locked>>
81%
43192
68%
**15
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
26339
41%
**83
92%
[ReloadSwiss RS 80]*
<<locked>>
89%
31256
49%
**15
90%
Rottweil R 903
<<locked>>
81%
52344
82%
**31
100%
Rottweil R 904
<<locked>>
81%
39001
61%
**57
96%
Rottweil R 905
<<locked>>
81%
36825
58%
**54
96%
Rottweil R 907
<<locked>>
81%
48167
75%
**82
99%
SNPE Vectan Tubal 5000
<<locked>>
81%
52591
82%
**20
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
45948
72%
**13
99%
Shooters World Long Rifle
<<locked>>
81%
47094
74%
**65
100%
Somchem S355
<<locked>>
81%
52199
82%
**28
100%
Somchem S361
<<locked>>
81%
39769
62%
**47
95%
Somchem S365
<<locked>>
81%
41075
64%
**29
100%
Somchem S385
<<locked>>
81%
37594
59%
**47
97%
Vihtavuori N135
<<locked>>
81%
50604
79%
**23
100%
Vihtavuori N150
<<locked>>
81%
44802
70%
**93
100%
Vihtavuori N160
<<locked>>
81%
47659
75%
**88
100%
Vihtavuori N165
<<locked>>
81%
31517
49%
**10
95%
Vihtavuori N550
<<locked>>
81%
48022
75%
**25
100%
Vihtavuori N555
<<locked>>
81%
36071
57%
**54
100%
[Vihtavuori N560]*
<<locked>>
81%
33402
52%
**28
93%
[Vihtavuori N565]*
<<locked>>
81%
28398
45%
**03
90%
[Vihtavuori N568]*
<<locked>>
89%
32430
51%
**28
90%
Winchester 6.5 StaBALL
<<locked>>
81%
44918
70%
**33
100%
Winchester 760
<<locked>>
81%
50894
80%
**90
100%
Winchester StaBALL HD
<<locked>>
81%
26934
42%
**05
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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